/* roulang page: index */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text-strong);
        }
        h1 {
            font-size: 2.6rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.45rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.55rem;
            }
            h3 {
                font-size: 1.25rem;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --nav-height: 56px;
            }
        }
        @media (max-width: 520px) {
            h1 {
                font-size: 1.6rem;
            }
            h2 {
                font-size: 1.35rem;
            }
            .container {
                padding: 0 14px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .logo-link:hover {
            color: var(--color-primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }
        .nav-links a.active {
            background: #e8eef3;
            color: var(--color-primary);
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.88rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
                border-radius: 0 0 var(--radius-md) var(--radius-md);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
                justify-content: flex-start;
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                border-left: 3px solid var(--color-accent);
                background: #f0f4f7;
            }
            .header-inner {
                padding: 0 18px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: #f9fafb;
            border-bottom: 1px solid var(--color-border-light);
            padding: 10px 0;
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-weak);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-bar .sep {
            color: #c0c7cf;
            font-size: 0.7rem;
        }
        .breadcrumb-bar .current {
            color: var(--color-text-strong);
            font-weight: 600;
        }

        /* ========== SECTION BASE ========== */
        section {
            padding: var(--section-gap) 0;
        }
        @media (max-width: 768px) {
            section {
                padding: var(--section-gap-sm) 0;
            }
        }
        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: rgba(212, 160, 23, 0.08);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            margin-bottom: 10px;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 680px;
            margin-bottom: 32px;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== HERO ========== */
        .hero-section {
            padding: 56px 0 64px;
            background: linear-gradient(180deg, #f8fafb 0%, #eef2f5 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
        }
        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-bg-white);
            border: 1px solid var(--color-border);
            border-radius: 30px;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-weak);
            margin-bottom: 20px;
            box-shadow: var(--shadow-xs);
        }
        .hero-status-dot {
            width: 10px;
            height: 10px;
            background: var(--color-success);
            border-radius: 50%;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(39, 174, 96, 0.4);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(39, 174, 96, 0);
            }
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 16px;
            letter-spacing: -0.03em;
            max-width: 700px;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-weak);
            max-width: 600px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-icon-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }
        .hero-icon-item {
            display: flex;
            align-items: center;
            gap: 10px;
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 14px 20px;
            box-shadow: var(--shadow-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text);
            transition: all var(--transition-normal);
            border: 1px solid transparent;
        }
        .hero-icon-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
            transform: translateY(-2px);
        }
        .hero-icon-item i {
            font-size: 1.4rem;
            color: var(--color-accent);
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 160, 23, 0.1);
            border-radius: var(--radius-sm);
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.98rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(212, 160, 23, 0.35);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            box-shadow: 0 6px 20px rgba(212, 160, 23, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }
        .btn-outline:hover {
            background: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.88rem;
            border-radius: 22px;
        }
        .btn-accent-outline {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
            font-weight: 700;
        }
        .btn-accent-outline:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2rem;
            }
            .hero-icon-grid {
                gap: 10px;
            }
            .hero-icon-item {
                padding: 10px 14px;
                font-size: 0.85rem;
                gap: 7px;
            }
            .hero-icon-item i {
                font-size: 1.1rem;
                width: 28px;
                height: 28px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.65rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-icon-grid {
                flex-direction: column;
                gap: 8px;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-cta-group {
                flex-direction: column;
            }
        }

        /* ========== ENTRY MATRIX ========== */
        .entry-matrix-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .entry-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 12px;
            position: relative;
            overflow: hidden;
        }
        .entry-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .entry-card-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }
        .entry-card-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 4px;
        }
        .entry-card h3 {
            font-size: 1.15rem;
            color: var(--color-primary);
        }
        .entry-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            flex-grow: 1;
        }
        .entry-card .card-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .entry-card .card-link:hover {
            gap: 10px;
            color: var(--color-accent-dark);
        }
        @media (max-width: 520px) {
            .entry-matrix-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .entry-card {
                padding: 16px;
            }
            .entry-card h3 {
                font-size: 1rem;
            }
            .entry-card-img {
                height: 100px;
            }
        }

        /* ========== SELLING POINTS TRIPLE ========== */
        .triple-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .triple-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-md);
            border-left: 5px solid var(--color-accent);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .triple-card:nth-child(2) {
            border-left-color: var(--color-primary);
        }
        .triple-card:nth-child(3) {
            border-left-color: var(--color-success);
        }
        .triple-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-4px);
        }
        .triple-card .triple-icon {
            font-size: 2.2rem;
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-md);
            background: #fef9ee;
            color: var(--color-accent);
        }
        .triple-card:nth-child(2) .triple-icon {
            background: #eef4f8;
            color: var(--color-primary);
        }
        .triple-card:nth-child(3) .triple-icon {
            background: #eaf7ef;
            color: var(--color-success);
        }
        .triple-card h3 {
            font-size: 1.2rem;
            color: var(--color-text-strong);
        }
        .triple-card p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            flex-grow: 1;
        }
        @media (max-width: 768px) {
            .triple-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== DATA METRICS ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
        }
        .metric-value .accent {
            color: var(--color-accent);
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-value {
                font-size: 2rem;
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-value {
                font-size: 1.7rem;
            }
        }

        /* ========== MILESTONE / TIMELINE ========== */
        .timeline-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: relative;
            padding-left: 40px;
        }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 3px;
            background: linear-gradient(to bottom, var(--color-accent), var(--color-primary-light));
            border-radius: 3px;
        }
        .timeline-item {
            position: relative;
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -32px;
            top: 24px;
            width: 14px;
            height: 14px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
        }
        .timeline-item .tl-date {
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--color-accent);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 0.92rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 520px) {
            .timeline-list {
                padding-left: 30px;
                gap: 16px;
            }
            .timeline-item {
                padding: 14px 16px;
            }
            .timeline-item::before {
                left: -24px;
                width: 10px;
                height: 10px;
            }
            .timeline-list::before {
                left: 10px;
            }
        }

        /* ========== NEWS / 资讯 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 28px;
        }
        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .news-item .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        .news-item h4 {
            font-size: 1.05rem;
            color: var(--color-primary);
        }
        .news-item .news-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }
        .news-item .btn-sm {
            align-self: flex-start;
            margin-top: 4px;
        }
        .news-sidebar {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: fit-content;
            position: sticky;
            top: calc(var(--nav-height) + 20px);
        }
        .news-sidebar h3 {
            margin-bottom: 16px;
            color: var(--color-primary);
            font-size: 1.1rem;
        }
        .news-sidebar ul {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .news-sidebar ul li a {
            display: block;
            font-size: 0.92rem;
            color: var(--color-text-weak);
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            font-weight: 500;
        }
        .news-sidebar ul li a:hover {
            color: var(--color-accent);
            padding-left: 6px;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .news-sidebar {
                position: static;
                order: -1;
            }
        }

        /* ========== REVIEW BUBBLES ========== */
        .bubbles-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }
        .bubble-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .bubble-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .bubble-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: linear-gradient(135deg, #e0e5ea, #c8d0d8);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: #666;
            flex-shrink: 0;
        }
        .bubble-text {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            font-style: italic;
        }
        .bubble-author {
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--color-primary);
        }

        /* ========== PLATFORM GUARANTEE ========== */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .guarantee-card {
            text-align: center;
            padding: 24px 16px;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .guarantee-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .guarantee-card i {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .guarantee-card h4 {
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .guarantee-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .guarantee-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .guarantee-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .guarantee-card {
                padding: 16px 10px;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            max-width: 900px;
            margin: 0 auto;
            line-height: 1.8;
        }
        .brand-intro-block p {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 12px;
        }
        @media (max-width: 520px) {
            .brand-intro-block {
                padding: 24px 18px;
            }
        }

        /* ========== CAMPAIGN ZONE ========== */
        .campaign-zone {
            background: linear-gradient(135deg, #0f2b3d 0%, #1a4057 50%, #0d2535 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .campaign-zone::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .campaign-zone .campaign-inner {
            position: relative;
            z-index: 1;
            display: flex;
            flex-wrap: wrap;
            gap: 32px;
            align-items: center;
            justify-content: space-between;
        }
        .campaign-zone h2 {
            color: #fff;
            font-size: 1.8rem;
        }
        .campaign-zone p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1rem;
            max-width: 500px;
        }
        .campaign-zone .btn-primary {
            background: #fff;
            color: var(--color-primary);
            box-shadow: 0 4px 18px rgba(255, 255, 255, 0.25);
            font-weight: 700;
        }
        .campaign-zone .btn-primary:hover {
            background: #f0f0f0;
            box-shadow: 0 6px 24px rgba(255, 255, 255, 0.35);
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .campaign-zone {
                padding: 32px 22px;
            }
            .campaign-zone h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== STEPS ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }
        .step-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            transition: all var(--transition-normal);
        }
        .step-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50%;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }
        .step-card h4 {
            font-size: 1rem;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            background: #fafbfc;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: #f0f4f7;
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-accent);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: all var(--transition-slow);
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            padding: 0 22px 18px;
            max-height: 400px;
        }

        /* ========== APP DOWNLOAD / CTA ========== */
        .cta-section {
            background: linear-gradient(180deg, #f8fafb 0%, #eef2f5 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .cta-section h2 {
            margin-bottom: 12px;
        }
        .cta-section p {
            margin-bottom: 24px;
            font-size: 1.05rem;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn-group {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            justify-content: center;
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 28px 16px;
            }
            .cta-btn-group {
                flex-direction: column;
                align-items: center;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c8d0d8;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 14px;
            font-weight: 700;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #a0aab4;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: #8899a6;
        }
        .footer-bottom a {
            color: #a0aab4;
        }
        .footer-bottom a:hover {
            color: var(--color-accent-light);
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
        }

        /* ========== UTILITY ========== */
        .bg-light {
            background: #f9fafb;
        }
        .bg-white {
            background: #fff;
        }
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .d-flex {
            display: flex;
        }
        .align-center {
            align-items: center;
        }
        .justify-between {
            justify-content: space-between;
        }
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            border: 0;
        }

/* roulang page: category2 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --nav-height: 56px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .logo-link:hover {
            color: var(--color-primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }
        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 1px;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.4rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: #f0f4f7;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 18px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                font-size: 0.95rem;
                border-radius: var(--radius-sm);
            }
            .nav-links a.active::after {
                display: none;
            }
            .nav-links a.active {
                border-left: 3px solid var(--color-accent);
                background: #fdf8ed;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }
        .breadcrumb-inner a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }
        .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }
        .breadcrumb-current {
            color: var(--color-text-strong);
            font-weight: 600;
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-bg-white {
            background: var(--color-bg-white);
        }
        .section-bg-dark {
            background: var(--color-bg-dark);
            color: #e0e0e0;
        }
        .section-bg-section {
            background: var(--color-bg-section);
        }

        /* ========== HERO TRIAL ========== */
        .hero-trial {
            background: linear-gradient(160deg, #0f2b3d 0%, #1a4057 40%, #0f2b3d 100%);
            color: #ffffff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-trial::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-trial::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(240, 192, 64, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-trial-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-trial-content h1 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: -0.01em;
        }
        .hero-trial-content h1 .highlight {
            color: var(--color-accent-light);
        }
        .hero-trial-subtitle {
            font-size: 1.1rem;
            color: #c8d6e0;
            margin-bottom: 24px;
            line-height: 1.7;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            color: #e8f0f6;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--color-accent-light);
            font-size: 0.8rem;
        }
        .hero-qualification {
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            margin-bottom: 24px;
            border-left: 3px solid var(--color-accent-light);
        }
        .hero-qualification p {
            font-size: 0.9rem;
            color: #bfcdd8;
            margin: 0;
            line-height: 1.6;
        }
        .hero-qualification strong {
            color: #ffffff;
        }
        .btn-cta-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 30px;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(212, 160, 23, 0.35);
            letter-spacing: 0.02em;
        }
        .btn-cta-hero:hover {
            background: var(--color-accent-light);
            color: #0f2b3d;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(212, 160, 23, 0.45);
        }
        .hero-trial-visual {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .hero-trial-visual img {
            width: 100%;
            max-width: 480px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-xl);
            border: 3px solid rgba(255, 255, 255, 0.15);
        }
        @media (max-width: 768px) {
            .hero-trial {
                padding: 40px 0;
            }
            .hero-trial-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-trial-content h1 {
                font-size: 1.6rem;
            }
            .hero-trial-visual {
                order: -1;
            }
            .hero-trial-visual img {
                max-width: 300px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .metric-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .metric-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }
        .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 8px;
            padding: 3px 10px;
            border-radius: 12px;
        }
        .metric-trend.up {
            color: var(--color-success);
            background: #eafaf1;
        }
        .metric-trend.down {
            color: var(--color-danger);
            background: #fdedec;
        }
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }
        .service-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .service-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }
        .service-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 14px;
        }
        .service-card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 12px;
        }
        .service-tag {
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 14px;
            background: #f0f4f7;
            color: var(--color-primary-light);
            font-weight: 600;
        }
        .service-card-link {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .service-card-link:hover {
            gap: 10px;
            color: var(--color-accent);
        }
        @media (max-width: 1024px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #ffffff;
            padding: 16px 20px;
            text-align: center;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .comparison-table thead th:first-child {
            text-align: left;
            background: #0a1f2b;
        }
        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-weak);
        }
        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text-strong);
        }
        .comparison-table tbody tr:hover td {
            background: #fafbfc;
        }
        .comparison-check {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .comparison-dash {
            color: var(--color-text-muted);
        }
        .comparison-highlight-row td {
            background: #fdf8ed;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .comparison-wrapper {
                overflow-x: auto;
            }
            .comparison-table {
                min-width: 600px;
                font-size: 0.85rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
        }

        /* ========== PROCESS STEPS ========== */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .process-step {
            text-align: center;
            position: relative;
            z-index: 1;
        }
        .process-step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 800;
            font-size: 1.3rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
            box-shadow: var(--shadow-md);
        }
        .process-step h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }
        .process-step p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
        }
        @media (max-width: 480px) {
            .process-steps {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-strong);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
            cursor: pointer;
            background: none;
            border: none;
        }
        .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-normal);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: linear-gradient(135deg, #0f2b3d 0%, #1a4057 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #ffffff;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-form-info h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-form-info p {
            font-size: 1rem;
            color: #c8d6e0;
            line-height: 1.7;
            margin-bottom: 20px;
        }
        .cta-form-benefits {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .cta-form-benefits li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.9rem;
            color: #e0e8ef;
        }
        .cta-form-benefits li i {
            color: var(--color-accent-light);
            font-size: 0.8rem;
        }
        .cta-form-box {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            color: var(--color-text);
            box-shadow: var(--shadow-lg);
        }
        .cta-form-box h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 20px;
            color: var(--color-text-strong);
            text-align: center;
        }
        .form-group {
            margin-bottom: 16px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 5px;
            color: var(--color-text-weak);
        }
        .form-group input,
        .form-group select {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
            background: #fafbfc;
        }
        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
            background: #ffffff;
        }
        .btn-submit {
            width: 100%;
            padding: 14px;
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 30px;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 16px rgba(212, 160, 23, 0.3);
            letter-spacing: 0.02em;
        }
        .btn-submit:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(212, 160, 23, 0.4);
        }
        @media (max-width: 768px) {
            .cta-form-section {
                grid-template-columns: 1fr;
                padding: 32px 22px;
                gap: 28px;
            }
            .cta-form-info h2 {
                font-size: 1.4rem;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .brand-intro-block img {
            border-radius: var(--radius-lg);
            width: 100%;
            max-height: 280px;
            object-fit: cover;
        }
        .brand-intro-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 12px;
        }
        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .brand-intro-block {
                grid-template-columns: 1fr;
                padding: 24px 18px;
            }
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            margin-bottom: 32px;
            line-height: 1.6;
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header.center {
            text-align: center;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.3rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 24px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c8d6e0;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #a0b0bb;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #8899a5;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .footer-links-row a {
            color: #8899a5;
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: var(--color-accent-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== UTILITY ========== */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }

/* roulang page: category3 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-bg-card: #fafbfc;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --nav-height: 56px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
            width: 100%;
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .logo-link:hover {
            color: var(--color-primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }
        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                gap: 2px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .header-inner {
                padding: 0 18px;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-bar a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }
        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-bar .separator {
            color: var(--color-text-muted);
            font-size: 0.75rem;
        }
        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-bg-white {
            background: var(--color-bg-white);
        }
        .section-bg-dark {
            background: var(--color-bg-dark);
            color: #ffffff;
        }
        .section-bg-section {
            background: var(--color-bg-section);
        }

        /* ========== HERO ========== */
        .hero-flash {
            background: linear-gradient(135deg, #0f2b3d 0%, #1a3d52 40%, #0d2130 100%);
            color: #ffffff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-flash::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-flash-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-flash-timer {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 18px 24px;
            display: inline-flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }
        .hero-flash-timer .timer-label {
            font-size: 0.9rem;
            color: #e0d5b8;
            font-weight: 500;
            white-space: nowrap;
        }
        .hero-flash-timer .timer-digits {
            display: flex;
            gap: 6px;
            align-items: center;
        }
        .hero-flash-timer .timer-digit {
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 800;
            font-size: 1.3rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            min-width: 36px;
            text-align: center;
            font-family: var(--font-mono);
        }
        .hero-flash-timer .timer-sep {
            font-weight: 700;
            color: var(--color-accent-light);
            font-size: 1.1rem;
        }
        .hero-flash h1 {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #ffffff;
            letter-spacing: -0.02em;
        }
        .hero-flash .hero-desc {
            font-size: 1.1rem;
            color: #c8d6df;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-flash .btn-accent-hero {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            letter-spacing: 0.01em;
        }
        .hero-flash .btn-accent-hero:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 160, 23, 0.35);
            color: #0f2b3d;
        }
        .hero-player-card {
            background: rgba(255, 255, 255, 0.07);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-xl);
            padding: 28px;
            backdrop-filter: blur(4px);
            text-align: center;
            transition: all var(--transition-normal);
        }
        .hero-player-card:hover {
            background: rgba(255, 255, 255, 0.10);
            border-color: rgba(255, 255, 255, 0.25);
            box-shadow: 0 12px 36px rgba(0, 0, 0, 0.3);
        }
        .hero-player-card img {
            width: 140px;
            height: 140px;
            object-fit: cover;
            border-radius: var(--radius-full);
            margin: 0 auto 16px;
            border: 3px solid var(--color-accent);
            box-shadow: 0 0 30px rgba(212, 160, 23, 0.25);
        }
        .hero-player-card .player-name {
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .hero-player-card .player-club {
            font-size: 0.9rem;
            color: #c8d6df;
            margin-bottom: 12px;
        }
        .hero-player-card .player-stats-mini {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .hero-player-card .stat-mini {
            text-align: center;
        }
        .hero-player-card .stat-mini .stat-val {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-accent-light);
        }
        .hero-player-card .stat-mini .stat-lbl {
            font-size: 0.75rem;
            color: #a0b0bb;
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero-flash-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-flash h1 {
                font-size: 1.7rem;
            }
            .hero-flash .hero-desc {
                font-size: 0.95rem;
            }
            .hero-player-card {
                padding: 20px;
            }
            .hero-player-card img {
                width: 100px;
                height: 100px;
            }
            .hero-flash-timer {
                padding: 12px 16px;
                gap: 10px;
            }
            .hero-flash-timer .timer-digit {
                font-size: 1rem;
                padding: 4px 7px;
                min-width: 28px;
            }
        }

        /* ========== KPI BOARD ========== */
        .kpi-board {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .kpi-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .kpi-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .kpi-card .kpi-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .kpi-card .kpi-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .kpi-card .kpi-label {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }
        .kpi-card .kpi-sub {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 992px) {
            .kpi-board {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .kpi-board {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .kpi-card {
                padding: 18px 14px;
            }
            .kpi-card .kpi-value {
                font-size: 1.7rem;
            }
            .kpi-card .kpi-icon {
                font-size: 1.6rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .service-card .svc-icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-full);
            background: linear-gradient(135deg, #fdf8ed 0%, #fef3d5 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.6rem;
            color: var(--color-accent-dark);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 992px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-card {
                padding: 24px 18px;
            }
        }

        /* ========== COMPARISON ========== */
        .comparison-panel {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 20px;
            align-items: center;
        }
        .comparison-player {
            text-align: center;
            padding: 24px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 2px dashed var(--color-border);
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .comparison-player:hover {
            border-color: var(--color-accent);
            background: #fefdf8;
        }
        .comparison-player img {
            width: 80px;
            height: 80px;
            border-radius: var(--radius-full);
            object-fit: cover;
            margin: 0 auto 12px;
            border: 2px solid var(--color-border);
        }
        .comparison-player .cp-name {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 1.1rem;
        }
        .comparison-vs {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--color-accent);
            text-align: center;
            letter-spacing: 0.02em;
        }
        .comparison-stats-row {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 12px;
            margin-top: 28px;
            text-align: center;
        }
        .comparison-stat-item {
            background: var(--color-bg-section);
            border-radius: var(--radius-md);
            padding: 16px 10px;
        }
        .comparison-stat-item .cs-val {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--color-primary);
        }
        .comparison-stat-item .cs-lbl {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .comparison-vs {
                font-size: 1.3rem;
            }
            .comparison-stats-row {
                grid-template-columns: repeat(3, 1fr);
                gap: 8px;
            }
            .comparison-panel {
                padding: 20px;
            }
        }

        /* ========== PLAYER CARDS GRID ========== */
        .player-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .player-card-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
        }
        .player-card-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .player-card-item .pci-img-wrap {
            position: relative;
            overflow: hidden;
            height: 200px;
        }
        .player-card-item .pci-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .player-card-item:hover .pci-img-wrap img {
            transform: scale(1.06);
        }
        .player-card-item .pci-info {
            padding: 18px 14px;
        }
        .player-card-item .pci-name {
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .player-card-item .pci-position {
            font-size: 0.85rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            margin-bottom: 8px;
        }
        .player-card-item .pci-stats {
            display: flex;
            justify-content: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--color-text-weak);
        }
        .player-card-item .pci-stats span {
            font-weight: 600;
            color: var(--color-primary);
        }
        @media (max-width: 992px) {
            .player-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .player-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .player-card-item .pci-img-wrap {
                height: 140px;
            }
        }

        /* ========== DATA DEPTH PANEL ========== */
        .data-depth-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .data-depth-panel .depth-image img {
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            width: 100%;
        }
        .data-depth-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .data-depth-list li {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .data-depth-list li:last-child {
            border-bottom: none;
        }
        .data-depth-list .depth-icon {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: #fdf8ed;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent-dark);
            font-size: 1rem;
        }
        .data-depth-list .depth-info h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 3px;
        }
        .data-depth-list .depth-info p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin: 0;
        }
        @media (max-width: 768px) {
            .data-depth-panel {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            background: none;
            cursor: pointer;
            transition: background var(--transition-fast);
            text-align: left;
            gap: 12px;
        }
        .faq-question:hover {
            background: #fdf8ed;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            color: var(--color-accent);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            color: var(--color-text-weak);
            font-size: 0.9rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f2b3d 0%, #1a3d52 50%, #0d2130 100%);
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #c8d6df;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }
        .cta-form-row {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form-row input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition-fast);
            background: rgba(255, 255, 255, 0.95);
            color: #1a1a1a;
        }
        .cta-form-row input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.2);
        }
        .cta-form-row .btn-cta-submit {
            padding: 14px 28px;
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 700;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
        }
        .cta-form-row .btn-cta-submit:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 160, 23, 0.35);
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 18px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .cta-form-row input {
                min-width: 100%;
            }
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            line-height: 1.8;
        }
        .brand-intro-block h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .brand-intro-block p {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ========== SECTION TITLES ========== */
        .section-title {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-title h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-title .title-underline {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin-top: 4px;
        }
        .section-title p {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            margin-top: 8px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-title-left {
            text-align: left;
            margin-bottom: 28px;
        }
        .section-title-left h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .section-title-left .title-underline {
            display: inline-block;
            width: 50px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c8d6df;
            padding: 48px 0 24px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #a0b0bb;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: #8899a5;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }
        .footer-links-row a {
            color: #a0b0bb;
            font-size: 0.85rem;
        }
        .footer-links-row a:hover {
            color: var(--color-accent-light);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }
        }

        /* ========== UTILITY ========== */
        .text-accent {
            color: var(--color-accent);
        }
        .text-primary {
            color: var(--color-primary);
        }
        .badge-accent {
            display: inline-block;
            background: #fdf8ed;
            color: var(--color-accent-dark);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 4px 10px;
            border-radius: 20px;
            border: 1px solid #f0d88a;
        }
        .btn-outline-accent {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            border: 2px solid var(--color-accent);
            color: var(--color-accent-dark);
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
        }
        .btn-outline-accent:hover {
            background: var(--color-accent);
            color: #ffffff;
        }
        .btn-solid-primary {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
        }
        .btn-solid-primary:hover {
            background: var(--color-primary-light);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .highlight-box {
            background: #fefdf8;
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin: 16px 0;
        }

/* roulang page: category1 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .logo-link:hover {
            color: var(--color-primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
            font-weight: 700;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: #f0f4f7;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .breadcrumb-inner a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-inner .separator {
            color: var(--color-text-light);
            user-select: none;
        }

        .breadcrumb-inner .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== HERO - 拼团转化 ========== */
        .hero-group-buy {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(135deg, #0f2b3d 0%, #1a4057 40%, #0d2332 100%);
            overflow: hidden;
            color: #ffffff;
        }

        .hero-group-buy::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-group-buy .container {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-group-left h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
            color: #ffffff;
        }

        .hero-group-left h1 .accent {
            color: var(--color-accent-light);
        }

        .hero-group-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 520px;
        }

        .hero-group-left .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-group-left .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            white-space: nowrap;
        }

        .hero-group-left .hero-tag i {
            color: var(--color-accent-light);
            font-size: 0.75rem;
        }

        .hero-group-right {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .group-buy-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-xl);
            color: var(--color-text);
            width: 100%;
            max-width: 420px;
            text-align: center;
        }

        .group-buy-card .gb-badge {
            display: inline-block;
            background: var(--color-danger);
            color: #fff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 16px;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.06);
            }
        }

        .group-buy-card .gb-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .group-buy-card .gb-price {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .group-buy-card .gb-price .original {
            font-size: 1rem;
            color: var(--color-text-muted);
            text-decoration: line-through;
            font-weight: 400;
            margin-left: 8px;
        }

        .group-buy-card .gb-price-note {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 18px;
        }

        .group-buy-card .gb-progress-wrap {
            margin-bottom: 20px;
        }

        .group-buy-card .gb-progress-info {
            display: flex;
            justify-content: space-between;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 6px;
        }

        .group-buy-card .gb-progress-info strong {
            color: var(--color-accent-dark);
        }

        .group-buy-card .gb-progress-bar {
            width: 100%;
            height: 10px;
            background: #e8ebef;
            border-radius: 5px;
            overflow: hidden;
        }

        .group-buy-card .gb-progress-fill {
            height: 100%;
            background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
            border-radius: 5px;
            transition: width var(--transition-slow);
            width: 68%;
        }

        .group-buy-card .gb-avatars {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: -8px;
            margin-bottom: 20px;
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        .group-buy-card .gb-avatar-dots {
            display: flex;
            margin-right: 8px;
        }

        .group-buy-card .gb-avatar-dot {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #dde1e6;
            border: 2px solid #fff;
            margin-left: -8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            color: #fff;
            font-weight: 700;
        }

        .group-buy-card .gb-avatar-dot:nth-child(1) {
            background: #e74c3c;
            margin-left: 0;
        }
        .group-buy-card .gb-avatar-dot:nth-child(2) {
            background: #27ae60;
        }
        .group-buy-card .gb-avatar-dot:nth-child(3) {
            background: #2980b9;
        }
        .group-buy-card .gb-avatar-dot:nth-child(4) {
            background: #f39c12;
        }

        .group-buy-card .gb-buttons {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .btn-gb-primary {
            flex: 1;
            min-width: 120px;
            padding: 13px 20px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            box-shadow: 0 4px 14px rgba(180, 130, 10, 0.35);
            white-space: nowrap;
        }

        .btn-gb-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(180, 130, 10, 0.45);
            color: #fff;
        }

        .btn-gb-secondary {
            flex: 1;
            min-width: 120px;
            padding: 13px 20px;
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            border: 2px solid var(--color-border);
            transition: all var(--transition-normal);
            white-space: nowrap;
        }

        .btn-gb-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-bg-white {
            background: var(--color-bg-white);
        }

        .section-bg-dark {
            background: var(--color-bg-dark);
            color: #ffffff;
        }

        .section-bg-section {
            background: var(--color-bg-section);
        }

        .section-header {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-bg-dark .section-header h2 {
            color: #ffffff;
        }
        .section-bg-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent);
        }

        .metric-card .metric-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-full);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.4rem;
            color: #fff;
        }

        .metric-card .metric-icon.blue {
            background: linear-gradient(135deg, #2980b9, #3498db);
        }
        .metric-card .metric-icon.green {
            background: linear-gradient(135deg, #27ae60, #2ecc71);
        }
        .metric-card .metric-icon.orange {
            background: linear-gradient(135deg, #e67e22, #f39c12);
        }
        .metric-card .metric-icon.purple {
            background: linear-gradient(135deg, #8e44ad, #9b59b6);
        }

        .metric-card .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            letter-spacing: -0.02em;
            margin-bottom: 4px;
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            font-weight: 500;
        }

        .metric-card .metric-change {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 6px;
            padding: 3px 10px;
            border-radius: 12px;
        }

        .metric-card .metric-change.up {
            background: #eafaf1;
            color: #27ae60;
        }
        .metric-card .metric-change.down {
            background: #fdedec;
            color: #e74c3c;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card-hover);
        }

        .service-card.featured {
            border: 2px solid var(--color-accent);
            position: relative;
            box-shadow: var(--shadow-md);
        }

        .service-card.featured::before {
            content: '最受欢迎';
            position: absolute;
            top: 16px;
            right: 16px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            z-index: 2;
        }

        .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }

        .service-card-body {
            padding: 24px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 8px;
        }

        .service-card-body .service-desc {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
            flex: 1;
        }

        .service-card-body .service-features {
            list-style: none;
            margin-bottom: 18px;
        }

        .service-card-body .service-features li {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            padding: 5px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .service-card-body .service-features li i {
            color: var(--color-success);
            font-size: 0.8rem;
        }

        .service-card-body .service-price {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .service-card-body .service-price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        .btn-service {
            display: block;
            width: 100%;
            padding: 12px;
            text-align: center;
            font-weight: 700;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            font-size: 0.95rem;
        }

        .btn-service-outline {
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
        }

        .btn-service-outline:hover {
            background: var(--color-primary);
            color: #fff;
        }

        .btn-service-solid {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-service-solid:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #fff;
        }

        /* ========== COVERAGE SECTION ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .coverage-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 14px;
        }

        .coverage-text p {
            font-size: 1rem;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .coverage-list {
            list-style: none;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }

        .coverage-list li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            padding: 8px 12px;
            background: #f8f9fb;
            border-radius: var(--radius-sm);
        }

        .coverage-list li i {
            color: var(--color-accent);
        }

        .coverage-image img {
            width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: #fff;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 16px 18px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table tbody td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
            color: var(--color-text-weak);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text-strong);
        }

        .comparison-table tbody tr:nth-child(even) {
            background: #fafbfc;
        }

        .comparison-table tbody tr:hover {
            background: #fdf8ed;
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .comparison-table .cross-icon {
            color: var(--color-text-light);
            font-size: 1rem;
        }

        .comparison-table .highlight-col {
            background: #fdf8ed !important;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .testimonial-card:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .testimonial-card .testimonial-stars {
            color: var(--color-accent);
            margin-bottom: 12px;
            font-size: 0.9rem;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
            font-style: italic;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
        }

        .testimonial-card .testimonial-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text-strong);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== STEPS / PROCESS ========== */
        .steps-horizontal {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .step-card {
            text-align: center;
            position: relative;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
        }

        .step-card h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-weak);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--color-accent);
        }

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-strong);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-normal);
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            padding: 60px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 0;
        }

        .cta-form-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cta-form-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .cta-form-text p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .cta-form-text .cta-benefits {
            list-style: none;
        }

        .cta-form-text .cta-benefits li {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 6px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .cta-form-text .cta-benefits li i {
            color: var(--color-accent-light);
        }

        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 32px 28px;
            box-shadow: var(--shadow-xl);
            color: var(--color-text);
        }

        .cta-form-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
            text-align: center;
        }

        .cta-form-card .form-subtitle {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-bottom: 20px;
        }

        .form-group {
            margin-bottom: 14px;
        }

        .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-strong);
            margin-bottom: 4px;
        }

        .form-group input,
        .form-group select {
            width: 100%;
            padding: 11px 14px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
            background: #fafbfc;
            color: var(--color-text);
        }

        .form-group input:focus,
        .form-group select:focus {
            outline: none;
            border-color: var(--color-accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.1);
        }

        .btn-submit {
            width: 100%;
            padding: 13px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            box-shadow: 0 4px 14px rgba(180, 130, 10, 0.35);
            margin-top: 6px;
        }

        .btn-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(180, 130, 10, 0.45);
            color: #fff;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
        }

        .footer-col ul {
            list-style: none;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-top: 8px;
            align-items: center;
        }

        .footer-bottom .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }

        .footer-bottom .footer-links-row a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom .footer-links-row span {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-group-buy .container {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-group-left {
                text-align: center;
            }
            .hero-group-left .hero-subtitle {
                margin: 0 auto 28px;
            }
            .hero-group-left .hero-tags {
                justify-content: center;
            }
            .group-buy-card {
                max-width: 100%;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix .service-card:nth-child(3) {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: span 2;
                max-width: 400px;
                justify-self: center;
            }
            .steps-horizontal {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-form-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-gap: 48px;
                --section-gap-sm: 32px;
            }
            .container {
                padding: 0 18px;
            }
            .header-inner {
                padding: 0 18px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 12px 18px;
                box-shadow: var(--shadow-md);
                border-bottom: 2px solid var(--color-border);
                z-index: 999;
                gap: 2px;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-group-buy {
                padding: 48px 0;
            }
            .hero-group-left h1 {
                font-size: 2rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-number {
                font-size: 1.6rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .service-matrix .service-card:nth-child(3) {
                grid-column: span 1;
                max-width: 100%;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .testimonials-grid .testimonial-card:nth-child(3) {
                grid-column: span 1;
                max-width: 100%;
            }
            .steps-horizontal {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .coverage-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .group-buy-card {
                padding: 24px 18px;
            }
            .group-buy-card .gb-price {
                font-size: 2rem;
            }
            .comparison-table-wrap {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .hero-group-left h1 {
                font-size: 1.6rem;
            }
            .hero-group-left .hero-subtitle {
                font-size: 0.95rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .steps-horizontal {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .group-buy-card .gb-buttons {
                flex-direction: column;
            }
            .btn-gb-primary,
            .btn-gb-secondary {
                width: 100%;
            }
            .cta-form-card {
                padding: 22px 16px;
            }
            .logo-link {
                font-size: 1.2rem;
            }
            .breadcrumb-inner {
                font-size: 0.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --nav-height: 56px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --section-gap-sm: 24px;
                --nav-height: 52px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 1024px) {
            .header-inner {
                padding: 0 18px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 14px;
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .logo-link:hover {
            color: var(--color-primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 7px 13px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.93rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }

        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: #f0f4f7;
        }

        @media (max-width: 920px) {
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }

            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                box-shadow: var(--shadow-lg);
                border-bottom: 2px solid var(--color-border);
                padding: 8px 0;
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 20px;
                border-radius: 0;
                font-size: 1rem;
                justify-content: flex-start;
                border-bottom: 1px solid var(--color-border-light);
            }

            .nav-links a:last-child {
                border-bottom: none;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
            margin: 0;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-nav a {
            color: var(--color-text-weak);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

        .breadcrumb-nav a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-nav .separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .breadcrumb-nav .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== SECTION SPACING ========== */
        .section-gap {
            margin-top: var(--section-gap);
            margin-bottom: var(--section-gap);
        }

        .section-gap-sm {
            margin-top: var(--section-gap-sm);
            margin-bottom: var(--section-gap-sm);
        }

        .section-pad {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section-pad-sm {
            padding-top: var(--section-gap-sm);
            padding-bottom: var(--section-gap-sm);
        }

        /* ========== HERO BANNER ========== */
        .hero-banner {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 40px 0 36px;
            position: relative;
            overflow: hidden;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent), var(--color-primary-light));
        }

        .hero-banner-content {
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
        }

        .hero-banner-text {
            flex: 1;
            min-width: 280px;
        }

        .hero-banner-text h1 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 12px;
            line-height: 1.3;
            letter-spacing: -0.01em;
        }

        .hero-banner-text .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.7;
            max-width: 640px;
        }

        .hero-banner-visual {
            flex-shrink: 0;
            width: 200px;
            height: 140px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-bg-section);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-banner-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-lg);
        }

        @media (max-width: 768px) {
            .hero-banner {
                padding: 28px 0 24px;
            }

            .hero-banner-text h1 {
                font-size: 1.5rem;
            }

            .hero-banner-text .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-banner-visual {
                width: 100%;
                height: 160px;
                margin-top: 8px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .metric-card .metric-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
            display: block;
        }

        .metric-card .metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .metric-card .metric-trend {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            margin-top: 8px;
        }

        .metric-card .trend-up {
            background: #e8f5e9;
            color: #2e7d32;
        }

        .metric-card .trend-stable {
            background: #e3f2fd;
            color: #1565c0;
        }

        @media (max-width: 1024px) {
            .metrics-dashboard {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .metrics-dashboard {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .metric-card {
                padding: 20px 16px;
            }

            .metric-card .metric-value {
                font-size: 2rem;
            }
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-matrix-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-matrix-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-accent-light);
        }

        .service-matrix-card .sm-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: #fdf8ed;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }

        .service-matrix-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0;
        }

        .service-matrix-card p {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.7;
            flex-grow: 1;
        }

        .service-matrix-card .sm-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .sm-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            background: #eef1f4;
            color: var(--color-text-weak);
        }

        @media (max-width: 1024px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }
        }

        @media (max-width: 640px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .service-matrix-card {
                padding: 20px;
            }
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-section {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 700;
            font-size: 0.95rem;
            text-align: center;
            white-space: nowrap;
        }

        .comparison-table thead th:first-child {
            border-radius: var(--radius-sm) 0 0 0;
            text-align: left;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }

        .comparison-table tbody td {
            padding: 13px 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.93rem;
            color: var(--color-text);
            white-space: nowrap;
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text-strong);
        }

        .comparison-table tbody tr:hover {
            background: #fafbfc;
        }

        .comparison-table .highlight-cell {
            font-weight: 700;
            color: var(--color-accent-dark);
        }

        .comparison-table .badge-rank {
            display: inline-block;
            width: 28px;
            height: 28px;
            line-height: 28px;
            border-radius: 50%;
            font-weight: 700;
            font-size: 0.85rem;
            text-align: center;
        }

        .badge-gold {
            background: #fff3cd;
            color: #b8860b;
        }

        .badge-silver {
            background: #e8e8e8;
            color: #555;
        }

        .badge-bronze {
            background: #fce4d6;
            color: #c65d1e;
        }

        @media (max-width: 768px) {
            .comparison-section {
                padding: 20px 16px;
                border-radius: var(--radius-lg);
            }

            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.82rem;
            }
        }

        /* ========== FEATURE LIST ========== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .feature-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-accent-light);
        }

        .feature-item .fi-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-md);
            background: #eef5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-primary-light);
            flex-shrink: 0;
        }

        .feature-item .fi-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .feature-item .fi-content p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .feature-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .feature-item {
                padding: 18px;
            }
        }

        /* ========== STEPS ========== */
        .steps-flow {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .step-card {
            flex: 1;
            min-width: 220px;
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            position: relative;
            text-align: center;
            transition: all var(--transition-normal);
            counter-increment: step;
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .step-card .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            margin: 0 auto 14px;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        .step-connector {
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-accent);
            flex-shrink: 0;
            align-self: center;
        }

        @media (max-width: 768px) {
            .steps-flow {
                flex-direction: column;
                gap: 0;
            }

            .step-card {
                min-width: auto;
            }

            .step-connector {
                transform: rotate(90deg);
                margin: 4px 0;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-question .faq-arrow {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA FORM ========== */
        .cta-form-section {
            background: var(--color-bg-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }

        .cta-form-inner {
            display: flex;
            gap: 40px;
            align-items: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .cta-form-text {
            flex: 1;
            min-width: 260px;
        }

        .cta-form-text h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin: 0 0 10px;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .cta-form-text p {
            font-size: 1rem;
            color: #c8d4dc;
            margin: 0;
            line-height: 1.7;
        }

        .cta-form-fields {
            flex: 1;
            min-width: 280px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .cta-form-fields input {
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 0.95rem;
            transition: all var(--transition-fast);
            outline: none;
        }

        .cta-form-fields input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }

        .cta-form-fields input:focus {
            border-color: var(--color-accent);
            background: rgba(255, 255, 255, 0.14);
            box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.15);
        }

        .btn-cta-submit {
            padding: 14px 28px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            letter-spacing: 0.02em;
        }

        .btn-cta-submit:hover {
            background: var(--color-accent-light);
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(212, 160, 23, 0.35);
        }

        @media (max-width: 768px) {
            .cta-form-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-form-text h2 {
                font-size: 1.4rem;
            }

            .cta-form-inner {
                gap: 24px;
            }
        }

        /* ========== SECTION HEADINGS ========== */
        .section-heading {
            margin-bottom: 32px;
        }

        .section-heading .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent-dark);
            margin-bottom: 6px;
            background: #fdf8ed;
            padding: 4px 12px;
            border-radius: 20px;
        }

        .section-heading h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--color-primary);
            margin: 0 0 8px;
            letter-spacing: -0.01em;
        }

        .section-heading p {
            font-size: 1rem;
            color: var(--color-text-weak);
            margin: 0;
            max-width: 640px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-heading h2 {
                font-size: 1.35rem;
            }

            .section-heading {
                margin-bottom: 22px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c8d4dc;
            padding: 48px 0 28px;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #a0b0b8;
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: #8899a2;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .footer-links-row a {
            color: #a0b0b8;
            font-size: 0.85rem;
        }

        .footer-links-row a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .footer-links-row {
                justify-content: center;
            }

            .site-footer {
                padding: 32px 0 20px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== UTILITY OVERRIDES ========== */
        .text-accent {
            color: var(--color-accent);
        }

        .text-primary {
            color: var(--color-primary);
        }

        .bg-soft {
            background: var(--color-bg-section);
        }

        .bg-white-soft {
            background: var(--color-bg-white);
        }

        .rounded-lg {
            border-radius: var(--radius-lg);
        }

        .rounded-xl {
            border-radius: var(--radius-xl);
        }

        /* ========== COVER IMAGE CARD ========== */
        .cover-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--color-bg-white);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .cover-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .cover-card img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }

        .cover-card .cover-card-body {
            padding: 18px;
        }

        .cover-card .cover-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }

        .cover-card .cover-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .cover-card img {
                height: 160px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --nav-height: 56px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --section-gap-sm: 24px;
                --nav-height: 52px;
            }
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 18px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 14px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 1024px) {
            .header-inner {
                padding: 0 18px;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                padding: 0 14px;
            }
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }

        .logo-link:hover {
            color: var(--color-primary-light);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }

        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }

        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }

        .mobile-menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: #f0f4f7;
        }

        @media (max-width: 900px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                align-items: stretch;
                padding: 12px 18px;
                gap: 2px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }

            .mobile-menu-toggle {
                display: block;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }

        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .breadcrumb-inner a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-inner .separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .breadcrumb-inner .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== HERO - FLASH SALE STYLE ========== */
        .hero-flash {
            position: relative;
            background: linear-gradient(160deg, #0f2b3d 0%, #1a3d52 40%, #0d1f2d 100%);
            color: #ffffff;
            padding: 56px 0 64px;
            overflow: hidden;
        }

        .hero-flash::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-flash::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(240, 192, 64, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .flash-countdown-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 14px 28px;
            margin-bottom: 36px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        .flash-countdown-bar .countdown-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .flash-countdown-bar .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-timer .time-block {
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 800;
            font-size: 1.3rem;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            min-width: 44px;
            text-align: center;
            font-family: var(--font-mono);
            letter-spacing: 0.04em;
        }

        .countdown-timer .time-sep {
            font-weight: 700;
            font-size: 1.2rem;
            color: var(--color-accent-light);
        }

        .hero-flash .hero-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        @media (max-width: 768px) {
            .hero-flash .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .hero-flash .hero-text h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: #ffffff;
        }

        .hero-flash .hero-text h1 .accent {
            color: var(--color-accent-light);
        }

        .hero-flash .hero-text .hero-desc {
            font-size: 1.1rem;
            color: #c8d6e0;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .hero-flash .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-flash-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            box-shadow: 0 4px 18px rgba(212, 160, 23, 0.4);
            letter-spacing: 0.01em;
        }

        .btn-flash-primary:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(240, 192, 64, 0.5);
            transform: translateY(-2px);
            color: #0f2b3d;
        }

        .btn-flash-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 1.05rem;
            padding: 13px 28px;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-normal);
            letter-spacing: 0.01em;
        }

        .btn-flash-outline:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        .hero-flash .hero-card-preview {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 24px;
            backdrop-filter: blur(6px);
        }

        .hero-card-preview .preview-badge {
            display: inline-block;
            background: var(--color-danger);
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }

        .hero-card-preview .preview-table {
            width: 100%;
            border-collapse: collapse;
        }

        .preview-table th {
            text-align: left;
            font-size: 0.8rem;
            color: var(--color-accent-light);
            padding: 8px 6px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.2);
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .preview-table td {
            padding: 8px 6px;
            font-size: 0.9rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            color: #e0e8f0;
        }

        .preview-table .rank-num {
            font-weight: 800;
            color: var(--color-accent-light);
            font-size: 1rem;
        }

        .preview-table .team-name {
            font-weight: 600;
            color: #ffffff;
        }

        .preview-table .pts {
            font-weight: 700;
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .hero-flash {
                padding: 36px 0 44px;
            }
            .hero-flash .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-flash .hero-text .hero-desc {
                font-size: 0.95rem;
            }
            .flash-countdown-bar {
                padding: 10px 16px;
                gap: 8px;
            }
            .countdown-timer .time-block {
                font-size: 1rem;
                padding: 4px 8px;
                min-width: 34px;
            }
        }

        /* ========== SECTION BASE ========== */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

        .section-bg-white {
            background: var(--color-bg-white);
        }

        .section-bg-dark {
            background: var(--color-bg-dark);
            color: #ffffff;
        }

        .section-bg-section {
            background: var(--color-bg-section);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 700px;
        }

        .section-title-center {
            text-align: center;
        }

        .section-title-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .section-bg-dark .section-title {
            color: #ffffff;
        }

        .section-bg-dark .section-subtitle {
            color: #c8d6e0;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 24px;
            }
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }

        .metric-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }

        .metric-card .metric-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }

        .metric-card .metric-value {
            font-size: 2.8rem;
            font-weight: 900;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
            font-family: var(--font-mono);
        }

        .metric-card .metric-label {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            font-weight: 600;
        }

        .metric-card .metric-change {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
            margin-top: 8px;
        }

        .metric-change.up {
            background: #e8f5e9;
            color: #2e7d32;
        }

        .metric-change.down {
            background: #fbe9e7;
            color: #c62828;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        @media (max-width: 1024px) {
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .service-matrix {
                grid-template-columns: 1fr;
            }
        }

        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }

        .service-card .service-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-md);
        }

        .service-card .service-card-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 20px;
            background: #fdf8ed;
            color: var(--color-accent-dark);
            align-self: flex-start;
            letter-spacing: 0.02em;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-text-strong);
            line-height: 1.4;
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex-grow: 1;
        }

        .service-card .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            color: var(--color-accent-dark);
            font-size: 0.95rem;
            transition: gap var(--transition-fast);
        }

        .service-card .service-card-link:hover {
            gap: 10px;
            color: var(--color-accent);
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            background: var(--color-bg-white);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-primary);
            color: #ffffff;
            padding: 14px 16px;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: left;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .comparison-table tbody td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.95rem;
            color: var(--color-text);
        }

        .comparison-table tbody tr:hover {
            background: #fafbfc;
        }

        .comparison-table .highlight-row {
            background: #fdf8ed;
        }

        .comparison-table .badge-rank {
            display: inline-block;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.85rem;
        }

        .badge-rank.gold {
            background: #fff8e1;
            color: #b8860b;
        }

        .badge-rank.silver {
            background: #f5f5f5;
            color: #555;
        }

        .badge-rank.bronze {
            background: #fdf2e9;
            color: #c65d1e;
        }

        /* ========== FEATURE HIGHLIGHTS ========== */
        .features-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        @media (max-width: 768px) {
            .features-list-grid {
                grid-template-columns: 1fr;
            }
        }

        .feature-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

        .feature-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }

        .feature-item .feature-icon-circle {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            border-radius: var(--radius-full);
            background: #fdf8ed;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent-dark);
        }

        .feature-item .feature-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 6px;
        }

        .feature-item .feature-content p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        @media (max-width: 768px) {
            .brand-intro-card {
                grid-template-columns: 1fr;
                padding: 24px;
            }
        }

        .brand-intro-card .brand-intro-img {
            border-radius: var(--radius-lg);
            height: 260px;
            object-fit: cover;
            width: 100%;
        }

        .brand-intro-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-text-strong);
            margin-bottom: 12px;
            line-height: 1.4;
        }

        .brand-intro-card p {
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }

        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text-strong);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            transition: background var(--transition-fast);
            background: transparent;
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f2b3d 0%, #1a4057 100%);
            color: #ffffff;
            border-radius: var(--radius-xl);
            padding: 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: #c8d6e0;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.7;
        }

        .cta-section .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-section .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #ffffff;
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .cta-section .cta-input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .cta-section .cta-input:focus {
            border-color: var(--color-accent-light);
        }

        .cta-section .btn-cta-submit {
            padding: 13px 28px;
            border-radius: var(--radius-md);
            background: var(--color-accent);
            color: #0f2b3d;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .cta-section .btn-cta-submit:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 24px rgba(240, 192, 64, 0.5);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c8d6e0;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        .footer-col h4 {
            color: #ffffff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #a0b0bc;
            transition: color var(--transition-fast);
            font-size: 0.9rem;
        }

        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: #8899a6;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .footer-links-row a {
            color: #8899a6;
            transition: color var(--transition-fast);
        }

        .footer-links-row a:hover {
            color: var(--color-accent-light);
        }

        @media (max-width: 768px) {
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --color-flash: #e63946;
            --color-flash-bg: #fff5f5;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
            gap: 16px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .logo-link:hover {
            color: var(--color-primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }
        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
            font-weight: 700;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 15px;
            right: 15px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--color-primary);
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            background: #f0f4f7;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 14px 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }
        .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-inner .separator {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }
        .breadcrumb-inner .current {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== HERO FLASH SALE ========== */
        .hero-flash {
            position: relative;
            background: linear-gradient(135deg, #0f2b3d 0%, #1a4057 40%, #0d1f2e 100%);
            color: #fff;
            padding: 56px 0 64px;
            overflow: hidden;
        }
        .hero-flash::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-flash::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(240, 192, 64, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-flash-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .flash-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-flash);
            color: #fff;
            padding: 8px 18px;
            border-radius: 30px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            animation: pulse-badge 2s ease-in-out infinite;
            margin-bottom: 20px;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.6);
            }
            50% {
                box-shadow: 0 0 0 16px rgba(230, 57, 70, 0);
            }
        }
        .flash-badge i {
            animation: blink 1s step-end infinite;
        }
        @keyframes blink {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }
        .hero-flash h1 {
            font-size: 2.6rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-flash h1 .highlight {
            color: var(--color-accent-light);
            position: relative;
        }
        .hero-flash .hero-desc {
            font-size: 1.1rem;
            color: #d0d8df;
            margin-bottom: 12px;
            line-height: 1.7;
            max-width: 500px;
        }
        .countdown-row {
            display: flex;
            align-items: center;
            gap: 20px;
            margin: 24px 0 28px;
            flex-wrap: wrap;
        }
        .countdown-label {
            font-weight: 700;
            font-size: 1rem;
            color: #f0c040;
            white-space: nowrap;
        }
        .countdown-blocks {
            display: flex;
            gap: 10px;
        }
        .countdown-block {
            background: rgba(255, 255, 255, 0.1);
            border: 2px solid rgba(255, 255, 255, 0.25);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            text-align: center;
            min-width: 58px;
            backdrop-filter: blur(4px);
        }
        .countdown-block .num {
            font-size: 1.8rem;
            font-weight: 900;
            color: #fff;
            line-height: 1;
            font-variant-numeric: tabular-nums;
            font-family: var(--font-mono);
        }
        .countdown-block .unit {
            font-size: 0.7rem;
            color: #c0c8d0;
            margin-top: 4px;
            text-transform: uppercase;
            letter-spacing: 0.04em;
        }
        .btn-flash-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
            padding: 14px 32px;
            border-radius: var(--radius-lg);
            transition: all var(--transition-normal);
            box-shadow: 0 6px 24px rgba(212, 160, 23, 0.45);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .btn-flash-cta:hover {
            background: var(--color-accent-light);
            color: #1a1a1a;
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(212, 160, 23, 0.55);
        }
        .btn-flash-cta:active {
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(212, 160, 23, 0.4);
        }
        .hero-flash-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            padding: 28px 24px;
            color: var(--color-text);
            box-shadow: var(--shadow-xl);
            border: 2px solid var(--color-accent-light);
            position: relative;
        }
        .hero-flash-card .card-ribbon {
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--color-flash);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-weight: 700;
            font-size: 0.8rem;
            letter-spacing: 0.03em;
        }
        .hero-flash-card h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .hero-flash-card .card-highlight {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-accent-dark);
            margin: 8px 0;
        }
        .hero-flash-card p {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            margin-bottom: 16px;
            line-height: 1.6;
        }
        .hero-flash-card .btn-card {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            padding: 10px 22px;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            font-size: 0.95rem;
        }
        .hero-flash-card .btn-card:hover {
            background: var(--color-primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 700px;
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header .section-title {
            margin-bottom: 8px;
        }
        .section-header .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .metric-card .metric-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .metric-card .metric-value {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1;
            font-family: var(--font-mono);
            letter-spacing: -0.02em;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 8px;
            font-weight: 600;
        }
        .metric-card .metric-change {
            display: inline-block;
            margin-top: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 20px;
        }
        .metric-change.up {
            color: #27ae60;
            background: #eafaf1;
        }
        .metric-change.down {
            color: #e74c3c;
            background: #fdedec;
        }
        .metric-card .metric-spark {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-accent) 0%, var(--color-accent-light) 100%);
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }
        .metric-card:hover .metric-spark {
            opacity: 1;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .service-card .svc-icon {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: #fff;
            flex-shrink: 0;
        }
        .service-card h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--color-primary);
        }
        .service-card p {
            color: var(--color-text-weak);
            font-size: 0.95rem;
            line-height: 1.7;
            flex-grow: 1;
        }
        .service-card .svc-tag {
            display: inline-flex;
            gap: 6px;
            flex-wrap: wrap;
        }
        .svc-tag span {
            background: #f0f4f7;
            color: var(--color-text-weak);
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrapper {
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 16px 18px;
            text-align: left;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .comparison-table tbody td {
            padding: 14px 18px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
            vertical-align: middle;
        }
        .comparison-table tbody tr:hover {
            background: #fafbfc;
        }
        .comparison-table .col-player {
            font-weight: 700;
            color: var(--color-primary);
        }
        .comparison-table .col-change-positive {
            color: #27ae60;
            font-weight: 700;
        }
        .comparison-table .col-change-negative {
            color: #e74c3c;
            font-weight: 700;
        }
        .comparison-table .col-fee {
            font-weight: 700;
            color: var(--color-accent-dark);
            font-family: var(--font-mono);
        }
        .comparison-table tbody td .badge-sm {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .badge-sm.badge-green {
            background: #eafaf1;
            color: #27ae60;
        }
        .badge-sm.badge-red {
            background: #fdedec;
            color: #e74c3c;
        }
        .badge-sm.badge-amber {
            background: #fef9e7;
            color: #b8860b;
        }

        /* ========== NEWS CARDS ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .news-card .news-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .news-card .news-date {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(0, 0, 0, 0.7);
            color: #fff;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .news-card .news-body {
            padding: 18px 16px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .news-card .news-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1.4;
        }
        .news-card .news-body p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex-grow: 1;
        }
        .news-card .btn-read-more {
            align-self: flex-start;
            font-weight: 700;
            font-size: 0.88rem;
            color: var(--color-accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 5px;
            transition: all var(--transition-fast);
            padding: 6px 0;
        }
        .news-card .btn-read-more:hover {
            color: var(--color-accent);
            gap: 8px;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-block {
            background: var(--color-bg-section);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .brand-intro-block h4 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 14px;
        }
        .brand-intro-block p {
            color: var(--color-text-weak);
            line-height: 1.8;
            font-size: 0.98rem;
        }
        .brand-intro-block .brand-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 20px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            text-align: left;
            transition: background var(--transition-fast);
            gap: 12px;
        }
        .faq-question:hover {
            background: #fafcfd;
        }
        .faq-question i {
            font-size: 1rem;
            color: var(--color-accent);
            transition: transform var(--transition-normal);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 20px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }
        .faq-answer p {
            color: var(--color-text-weak);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA FORM ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f2b3d 0%, #1a4057 100%);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.3) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: #d0d8df;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            font-size: 1rem;
            line-height: 1.7;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 520px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            font-size: 1rem;
            background: #fff;
            color: var(--color-text);
            transition: all var(--transition-fast);
        }
        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(212, 160, 23, 0.2);
            outline: none;
        }
        .cta-form .btn-submit {
            padding: 14px 28px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 800;
            font-size: 1rem;
            border-radius: var(--radius-md);
            transition: all var(--transition-normal);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(212, 160, 23, 0.4);
        }
        .cta-form .btn-submit:hover {
            background: var(--color-accent-light);
            color: #1a1a1a;
            transform: translateY(-2px);
            box-shadow: 0 8px 26px rgba(212, 160, 23, 0.5);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #d0d8df;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .footer-col ul li a {
            color: #b0b8c0;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: #8899a6;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .footer-links-row a {
            color: #8899a6;
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: var(--color-accent-light);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-flash-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-flash h1 {
                font-size: 2rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .brand-intro-block {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 56px;
                --section-gap: 48px;
                --section-gap-sm: 32px;
            }
            .container {
                padding: 0 14px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--color-bg-white);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 2px solid var(--color-border-light);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-flash {
                padding: 36px 0 44px;
            }
            .hero-flash h1 {
                font-size: 1.6rem;
            }
            .countdown-blocks {
                gap: 6px;
            }
            .countdown-block {
                padding: 8px 10px;
                min-width: 44px;
            }
            .countdown-block .num {
                font-size: 1.4rem;
            }
            .btn-flash-cta {
                font-size: 0.95rem;
                padding: 12px 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-value {
                font-size: 2rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 8px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .brand-intro-block {
                padding: 24px 18px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 1.4rem;
            }
            .breadcrumb-inner {
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .hero-flash h1 {
                font-size: 1.35rem;
            }
            .hero-flash .hero-desc {
                font-size: 0.9rem;
            }
            .countdown-row {
                gap: 10px;
            }
            .countdown-blocks {
                gap: 4px;
            }
            .countdown-block {
                padding: 6px 8px;
                min-width: 38px;
            }
            .countdown-block .num {
                font-size: 1.2rem;
            }
            .countdown-block .unit {
                font-size: 0.6rem;
            }
            .btn-flash-cta {
                font-size: 0.85rem;
                padding: 10px 18px;
                width: 100%;
                justify-content: center;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-card .metric-value {
                font-size: 1.6rem;
            }
            .metric-card .metric-label {
                font-size: 0.75rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
            }
            .cta-form .btn-submit {
                width: 100%;
            }
            .hero-flash-card {
                padding: 20px 16px;
            }
            .hero-flash-card .card-highlight {
                font-size: 1.6rem;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #0f2b3d;
            --color-primary-light: #1a4057;
            --color-accent: #d4a017;
            --color-accent-light: #f0c040;
            --color-accent-dark: #b8860b;
            --color-bg: #f6f7f9;
            --color-bg-white: #ffffff;
            --color-bg-dark: #091a26;
            --color-bg-section: #eef1f4;
            --color-text: #1a1a1a;
            --color-text-strong: #0d0d0d;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-text-light: #b0b0b0;
            --color-border: #dde1e6;
            --color-border-light: #e8ebef;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-danger: #e74c3c;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50%;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-card-hover: 0 8px 28px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.15s ease;
            --transition-normal: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
            line-height: 1.6;
        }

        body {
            font-family: var(--font-sans);
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            outline: none;
            background: none;
        }

        input,
        select,
        textarea {
            outline: none;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--color-bg-white);
            width: 100%;
        }
        input:focus,
        select:focus,
        textarea:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.12);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.45rem;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link i {
            font-size: 1.5rem;
            color: var(--color-accent);
        }
        .logo-link:hover {
            color: var(--color-primary-light);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            justify-content: flex-end;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 4px 0;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            flex-shrink: 0;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: #f0f4f7;
        }
        .nav-links a.active {
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--color-bg-white);
            border-bottom: 1px solid var(--color-border-light);
            padding: 12px 0;
        }
        .breadcrumb-inner {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            flex-wrap: wrap;
        }
        .breadcrumb-inner a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }
        .breadcrumb-inner a:hover {
            color: var(--color-accent);
        }
        .breadcrumb-inner .separator {
            color: var(--color-text-muted);
            font-size: 0.75rem;
            pointer-events: none;
        }
        .breadcrumb-inner .current {
            color: var(--color-primary);
            font-weight: 600;
            pointer-events: none;
        }

        /* ========== HERO ========== */
        .hero-section {
            background: linear-gradient(135deg, var(--color-bg-dark) 0%, #0d1f2d 40%, #0f2b3d 100%);
            color: #ffffff;
            padding: 60px 0 64px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            pointer-events: none;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.15) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .hero-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            color: #ffffff;
            letter-spacing: -0.01em;
        }
        .hero-text h1 span {
            color: var(--color-accent-light);
        }
        .hero-text .hero-pain {
            font-size: 1.15rem;
            color: #d0d8df;
            margin-bottom: 24px;
            line-height: 1.6;
            font-weight: 500;
        }
        .hero-form-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            box-shadow: var(--shadow-xl);
            color: var(--color-text);
            position: relative;
            z-index: 2;
        }
        .hero-form-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .hero-form-card .form-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-bottom: 18px;
        }
        .hero-form-card .form-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .hero-form-card input {
            flex: 1;
            min-width: 180px;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            transition: all var(--transition-fast);
        }
        .hero-form-card input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(212, 160, 23, 0.10);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            transition: all var(--transition-normal);
            white-space: nowrap;
            letter-spacing: 0.01em;
            border: none;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: #ffffff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            background: transparent;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-border);
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-dark);
            background: #fdf8ed;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: var(--section-gap-sm) 0;
        }
        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-weak);
            margin-bottom: 36px;
            line-height: 1.6;
        }
        .section-header {
            text-align: left;
            margin-bottom: 32px;
        }
        .section-header.center {
            text-align: center;
        }

        /* ========== STATS BOARD ========== */
        .stats-board {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 36px 32px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-item {
            text-align: center;
            padding: 20px 16px;
            border-radius: var(--radius-md);
            background: var(--color-bg-section);
            transition: all var(--transition-normal);
        }
        .stat-item:hover {
            background: #fdf8ed;
            box-shadow: var(--shadow-sm);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-icon {
            font-size: 1.6rem;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition-normal);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .service-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .service-card-img img {
            transform: scale(1.04);
        }
        .service-card-body {
            padding: 20px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .service-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.6;
            flex: 1;
        }
        .service-card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            margin-top: 12px;
            transition: gap var(--transition-fast);
        }
        .service-card-body .card-link:hover {
            gap: 10px;
            color: var(--color-accent-dark);
        }

        /* ========== DEEP CONTENT ========== */
        .deep-content-block {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 40px 36px;
            border: 1px solid var(--color-border-light);
        }
        .deep-content-block h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .deep-content-block p {
            font-size: 1rem;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: 14px;
        }
        .deep-content-block .highlight-box {
            background: #fdf8ed;
            border-left: 4px solid var(--color-accent);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 20px 0;
            font-weight: 500;
            color: var(--color-primary);
        }
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 28px;
            margin-top: 20px;
        }
        .deep-content-grid .info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: var(--color-bg-section);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .deep-content-grid .info-item:hover {
            background: #f0f4f7;
        }
        .deep-content-grid .info-item i {
            font-size: 1.3rem;
            color: var(--color-accent);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .deep-content-grid .info-item .info-text strong {
            display: block;
            color: var(--color-primary);
            font-size: 0.95rem;
            margin-bottom: 2px;
        }
        .deep-content-grid .info-item .info-text span {
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        /* ========== COMPARISON ========== */
        .comparison-section-bg {
            background: var(--color-bg-section);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
        }
        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.95rem;
            min-width: 600px;
        }
        .comparison-table thead th {
            background: var(--color-primary);
            color: #ffffff;
            padding: 14px 18px;
            text-align: center;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .comparison-table thead th:first-child {
            border-radius: var(--radius-sm) 0 0 0;
            text-align: left;
        }
        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-sm) 0 0;
        }
        .comparison-table tbody td {
            padding: 12px 18px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
        }
        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-primary);
        }
        .comparison-table tbody tr {
            transition: background var(--transition-fast);
        }
        .comparison-table tbody tr:hover {
            background: #fdf8ed;
        }
        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }
        .comparison-table .highlight-cell {
            color: var(--color-accent-dark);
            font-weight: 700;
        }

        /* ========== BRAND INTRO ========== */
        .brand-intro-card {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            color: #ffffff;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
        }
        .brand-intro-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-accent-light);
        }
        .brand-intro-card p {
            font-size: 1rem;
            line-height: 1.8;
            color: #d0d8df;
        }
        .brand-intro-card .brand-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            padding: 14px 24px;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.1rem;
            white-space: nowrap;
            color: #ffffff;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ========== FAQ ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
        }
        .faq-item:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            background: transparent;
            cursor: pointer;
            text-align: left;
            transition: background var(--transition-fast);
            border: none;
            outline: none;
        }
        .faq-question:hover {
            background: #fdf8ed;
        }
        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            padding: 0 22px;
            font-size: 0.95rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 20px;
        }

        /* ========== CTA FORM ========== */
        .cta-section {
            background: var(--color-bg-dark);
            color: #ffffff;
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 160, 23, 0.2) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }
        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }
        .cta-text p {
            font-size: 1.05rem;
            color: #c0c8d0;
            line-height: 1.7;
        }
        .cta-form {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 30px;
            color: var(--color-text);
            box-shadow: var(--shadow-xl);
        }
        .cta-form h4 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .cta-form .form-group {
            margin-bottom: 14px;
        }
        .cta-form .form-group label {
            display: block;
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            margin-bottom: 4px;
        }
        .cta-form .btn-primary {
            width: 100%;
            padding: 14px;
            font-size: 1rem;
            margin-top: 6px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #c0c8d0;
            padding: 48px 0 24px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #a0a8b0;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .footer-col ul li a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            color: #808890;
            font-size: 0.82rem;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-links-row a {
            color: #a0a8b0;
            transition: color var(--transition-fast);
        }
        .footer-links-row a:hover {
            color: var(--color-accent-light);
        }
        .footer-links-row span {
            color: #808890;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-section::before {
                width: 100%;
                opacity: 0.08;
            }
            .hero-text h1 {
                font-size: 2rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-intro-card {
                grid-template-columns: 1fr;
                text-align: center;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section {
                padding: 48px 0;
            }
            .section-sm {
                padding: 32px 0;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
                --nav-height: 56px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 14px;
            }
            .header-inner {
                padding: 0 14px;
            }
            .logo-link {
                font-size: 1.2rem;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 10px;
                font-size: 0.82rem;
            }
            .hero-text h1 {
                font-size: 1.6rem;
            }
            .hero-text .hero-pain {
                font-size: 1rem;
            }
            .hero-form-card {
                padding: 20px 18px;
            }
            .hero-form-card .form-row {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .stat-number {
                font-size: 2rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .comparison-section-bg {
                padding: 24px 16px;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 8px 10px;
            }
            .deep-content-block {
                padding: 24px 18px;
            }
            .brand-intro-card {
                padding: 24px 20px;
            }
            .cta-text h2 {
                font-size: 1.5rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
                gap: 10px;
            }
            :root {
                --section-gap: 36px;
                --section-gap-sm: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                padding: 40px 0;
            }
            .hero-text h1 {
                font-size: 1.4rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-item {
                padding: 14px 10px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
            .service-card-img {
                height: 160px;
            }
            .cta-form {
                padding: 20px 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .nav-links a {
                padding: 6px 8px;
                font-size: 0.75rem;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-link i {
                font-size: 1.2rem;
            }
        }