/* roulang page: index */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .nav-logo:hover {
            color: var(--primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 8px 15px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
        }
        .nav-search input {
            width: 180px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 220px;
        }
        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links li a {
                padding: 7px 10px;
                font-size: 0.85rem;
            }
            .nav-search input {
                width: 140px;
            }
            .nav-search input:focus {
                width: 170px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 16px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .btn-nav-cta {
                padding: 6px 12px;
                font-size: 0.75rem;
                border-radius: 18px;
            }
        }

        /* ========== SECTION SPACING ========== */
        .section {
            padding: 60px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 40px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
        }

        /* ========== HERO - 白皮书获客 ========== */
        .hero-whitepaper {
            background: linear-gradient(135deg, #0d3b56 0%, #1a5f8a 40%, #1e6fa0 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
            padding: 70px 0 80px;
        }
        .hero-whitepaper::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-whitepaper .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-whitepaper .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 50px;
            align-items: center;
        }
        .hero-cover {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
            text-align: center;
            color: var(--text);
            position: relative;
        }
        .hero-cover .cover-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .hero-cover .cover-img {
            width: 100%;
            max-width: 280px;
            margin: 0 auto 18px;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            aspect-ratio: 3/4;
            object-fit: cover;
            background: #e8eef4;
        }
        .hero-cover h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary-dark);
            margin-bottom: 6px;
        }
        .hero-cover p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .hero-text .hero-subtitle {
            font-size: 1.1rem;
            line-height: 1.7;
            opacity: 0.92;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-text .hero-meta {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .hero-text .hero-meta span {
            font-size: 0.95rem;
            opacity: 0.85;
            display: flex;
            align-items: center;
            gap: 7px;
        }
        .hero-text .hero-meta span i {
            color: var(--accent);
            font-size: 1rem;
        }
        .hero-form-inline {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 460px;
        }
        .hero-form-inline input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition);
        }
        .hero-form-inline input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .hero-form-inline input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.2);
        }
        .hero-form-inline .btn-hero-cta {
            padding: 13px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            white-space: nowrap;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }
        .hero-form-inline .btn-hero-cta:hover {
            background: #f09040;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 120, 42, 0.4);
        }
        @media (max-width: 768px) {
            .hero-whitepaper .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .hero-text .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-cover {
                order: -1;
                max-width: 320px;
                margin: 0 auto;
            }
            .hero-form-inline {
                flex-direction: column;
                max-width: 100%;
            }
            .hero-form-inline input {
                min-width: auto;
            }
        }

        /* ========== 指标看板 ========== */
        .metrics-dashboard {
            background: var(--surface);
            border-bottom: 1px solid var(--border-light);
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }
        .metric-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px 18px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .metric-card:hover {
            border-color: var(--border);
            box-shadow: var(--shadow);
            transform: translateY(-2px);
        }
        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            margin-bottom: 4px;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }
        .metric-card .metric-trend {
            font-size: 0.8rem;
            color: #16a34a;
            margin-top: 6px;
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card .metric-value {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 480px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
        }

        /* ========== 通用板块标题 ========== */
        .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-title h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }
        .section-title p {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-title-left {
            text-align: left;
            margin-bottom: 32px;
        }
        .section-title-left h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }
        .section-title-left p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            max-width: 600px;
        }

        /* ========== 卡片系统 ========== */
        .card-custom {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            padding: 24px;
            transition: all var(--transition);
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
            transform: translateY(-3px);
        }
        .card-custom .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            margin-bottom: 14px;
        }
        .card-custom h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .card-custom p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 合集目录（竖屏种草风格） ========== */
        .collection-scroll {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 18px;
        }
        .vertical-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }
        .vertical-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--border);
        }
        .vertical-card .vc-img {
            aspect-ratio: 3/4;
            object-fit: cover;
            width: 100%;
            background: #e8eef4;
            display: block;
        }
        .vertical-card .vc-body {
            padding: 14px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .vertical-card .vc-tag {
            font-size: 0.72rem;
            background: var(--primary-light);
            color: var(--primary);
            padding: 3px 10px;
            border-radius: 12px;
            display: inline-block;
            margin-bottom: 8px;
            font-weight: 600;
            align-self: flex-start;
        }
        .vertical-card .vc-title {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .vertical-card .vc-sub {
            font-size: 0.78rem;
            color: var(--text-light);
            margin: 0;
        }
        .vertical-card .vc-cta {
            margin-top: auto;
            padding-top: 10px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--accent);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        @media (max-width: 520px) {
            .collection-scroll {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }

        /* ========== 服务矩阵 ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .service-matrix {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
        }
        @media (max-width: 480px) {
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* ========== 排行列表 ========== */
        .ranking-table-wrap {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
        }
        .ranking-table {
            width: 100%;
            border-collapse: collapse;
        }
        .ranking-table th,
        .ranking-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }
        .ranking-table th {
            background: var(--bg);
            font-weight: 700;
            color: var(--text);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.3px;
        }
        .ranking-table tbody tr {
            transition: background var(--transition);
        }
        .ranking-table tbody tr:hover {
            background: #f8fafc;
        }
        .ranking-table .rank-badge {
            display: inline-block;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            text-align: center;
            line-height: 28px;
            font-weight: 700;
            font-size: 0.8rem;
            color: #fff;
        }
        .rank-1 {
            background: #e8782a;
        }
        .rank-2 {
            background: #5a8ab5;
        }
        .rank-3 {
            background: #7a9e7e;
        }
        .rank-other {
            background: #b0bcc8;
        }
        .ranking-table .hot-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            background: #fef2e8;
            color: #c95f1e;
        }
        @media (max-width: 520px) {
            .ranking-table th,
            .ranking-table td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
        }

        /* ========== 嘉宾亮点 横滑 ========== */
        .guest-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
        }
        .guest-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .guest-scroll::-webkit-scrollbar-thumb {
            background: #d0d8e0;
            border-radius: 10px;
        }
        .guest-card {
            min-width: 240px;
            flex-shrink: 0;
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            border: 1px solid var(--border-light);
            scroll-snap-align: start;
            transition: all var(--transition);
            text-align: center;
        }
        .guest-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border);
        }
        .guest-card .guest-avatar {
            width: 70px;
            height: 70px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 12px;
            background: #e8eef4;
            border: 3px solid var(--primary-light);
        }
        .guest-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }
        .guest-card .guest-role {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }
        .guest-card p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        /* ========== 热播推荐 ========== */
        .hot-recommend-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 20px;
        }
        .hot-big-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }
        .hot-big-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .hot-big-card .hot-img {
            aspect-ratio: 16/9;
            object-fit: cover;
            width: 100%;
            background: #d8e2ec;
        }
        .hot-big-card .hot-body {
            padding: 20px;
        }
        .hot-big-card .hot-tag {
            display: inline-block;
            background: #e8782a;
            color: #fff;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .hot-big-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .hot-big-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .hot-small-stack {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .hot-small-card {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 16px;
            border: 1px solid var(--border-light);
            display: flex;
            gap: 14px;
            align-items: center;
            transition: all var(--transition);
            cursor: pointer;
        }
        .hot-small-card:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .hot-small-card .hs-img {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #e8eef4;
        }
        .hot-small-card .hs-info h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin: 0 0 3px;
            color: var(--text);
        }
        .hot-small-card .hs-info span {
            font-size: 0.75rem;
            color: var(--text-light);
        }
        @media (max-width: 768px) {
            .hot-recommend-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 资讯列表 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.3fr 1fr;
            gap: 30px;
        }
        .news-list-item {
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .news-list-item:hover {
            padding-left: 8px;
        }
        .news-list-item .news-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 4px;
        }
        .news-list-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
            line-height: 1.4;
        }
        .news-list-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.5;
        }
        .news-list-item .btn-read-more {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition);
        }
        .news-list-item .btn-read-more:hover {
            color: var(--accent);
            gap: 8px;
        }
        .news-sidebar {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 22px;
            border: 1px solid var(--border-light);
            height: fit-content;
        }
        .news-sidebar h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--text);
        }
        .news-sidebar ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .news-sidebar ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.88rem;
            color: var(--text-secondary);
            transition: color var(--transition);
            cursor: pointer;
        }
        .news-sidebar ul li:hover {
            color: var(--primary);
        }
        .news-sidebar ul li:last-child {
            border-bottom: none;
        }
        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== 结果对比 ========== */
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .compare-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .compare-card.highlight {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 95, 138, 0.06);
            position: relative;
        }
        .compare-card.highlight::before {
            content: '推荐';
            position: absolute;
            top: -12px;
            right: 20px;
            background: var(--accent);
            color: #fff;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .compare-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card ul li {
            padding: 7px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .compare-card ul li i.fa-check {
            color: #16a34a;
        }
        .compare-card ul li i.fa-times {
            color: #c0c8d4;
        }
        @media (max-width: 768px) {
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            user-select: none;
            transition: background var(--transition);
        }
        .faq-question:hover {
            background: #fafbfc;
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA 转化表单 ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f3d5c 0%, #1a5f8a 100%);
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            font-size: 1rem;
            opacity: 0.9;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.35);
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.6);
        }
        .cta-form .btn-cta-submit {
            padding: 13px 28px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1rem;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .cta-form .btn-cta-submit:hover {
            background: #f09040;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232, 120, 42, 0.4);
        }

        /* ========== 收藏分享区 ========== */
        .share-collect-bar {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            align-items: center;
        }
        .share-collect-bar .btn-share {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 11px 22px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--border);
            background: var(--surface);
            color: var(--text);
            transition: all var(--transition);
            cursor: pointer;
        }
        .share-collect-bar .btn-share:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .share-collect-bar .btn-share.btn-collect {
            background: #fef2e8;
            border-color: #f5c9a8;
            color: #c95f1e;
        }
        .share-collect-bar .btn-share.btn-collect:hover {
            background: #fde4d2;
            border-color: #e8782a;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-block {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 36px 30px;
            border: 1px solid var(--border-light);
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }
        .brand-intro-block h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
        }
        .brand-intro-block p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 700px;
            margin: 0 auto;
        }

        /* ========== 使用指南 ========== */
        .guide-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            counter-reset: step;
        }
        .guide-step {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            border: 1px solid var(--border-light);
            text-align: center;
            position: relative;
            transition: all var(--transition);
            counter-increment: step;
        }
        .guide-step:hover {
            box-shadow: var(--shadow);
            border-color: var(--border);
        }
        .guide-step::before {
            content: counter(step);
            display: block;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            line-height: 36px;
            margin: 0 auto 12px;
        }
        .guide-step h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--text);
        }
        .guide-step p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .guide-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 480px) {
            .guide-steps {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1c2333;
            color: #c5cdd8;
            padding: 50px 0 30px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #a0aab4;
            font-size: 0.85rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            color: #8895a7;
            font-size: 0.8rem;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: #a0aab4;
            margin: 0 6px;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        /* ========== 按钮系统 ========== */
        .btn-outline {
            display: inline-block;
            padding: 10px 22px;
            border-radius: 24px;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
            background: transparent;
            cursor: pointer;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-sm);
        }
        .btn-solid {
            display: inline-block;
            padding: 11px 24px;
            border-radius: 24px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-solid:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow);
            transform: translateY(-1px);
            color: #fff;
        }

        /* ========== 标签系统 ========== */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.2px;
        }
        .tag-blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .tag-orange {
            background: #fef2e8;
            color: #c95f1e;
        }
        .tag-green {
            background: #eaf7ee;
            color: #1a7a3a;
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 1024px) {
            .container-custom {
                padding: 0 16px;
            }
            .section-title h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 768px) {
            .section-title h2 {
                font-size: 1.35rem;
            }
            .section-title p {
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

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

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            width: 140px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 170px;
        }

        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }

        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
        }

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

        /* ========== SECTION BASE ========== */
        .section {
            padding: 60px 0;
        }

        .section-sm {
            padding: 40px 0;
        }

        .section-lg {
            padding: 80px 0;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            max-width: 680px;
        }

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

        .section-header .section-title {
            margin-bottom: 8px;
        }

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

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            padding: 28px;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            height: 100%;
        }

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

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }

        .card-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .card-icon.orange {
            background: #fef3e8;
            color: var(--accent);
        }

        .card-icon.green {
            background: #e8f7ef;
            color: #1a8a4a;
        }

        .card h3 {
            font-size: 1.15rem;
            font-weight: 650;
            color: var(--text);
            margin-bottom: 8px;
        }

        .card p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== BUTTONS ========== */
        .btn {
            display: inline-block;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
            text-align: center;
            cursor: pointer;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff !important;
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(26, 95, 138, 0.3);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff !important;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 120, 42, 0.3);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #fff !important;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 15px 36px;
            font-size: 1.05rem;
            border-radius: 28px;
        }

        /* ========== BADGE / TAG ========== */
        .badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }

        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }

        .badge-accent {
            background: #fef3e8;
            color: var(--accent);
        }

        .badge-green {
            background: #e8f7ef;
            color: #1a8a4a;
        }

        /* ========== HERO BENTO ========== */
        .hero-bento {
            background: linear-gradient(170deg, #f0f5fa 0%, #e8f0f7 30%, #f7f9fb 100%);
            padding: 50px 0 60px;
            position: relative;
            overflow: hidden;
        }

        .hero-bento::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(26, 95, 138, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-bento::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-bento .container-custom {
            position: relative;
            z-index: 1;
        }

        .bento-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            grid-template-rows: auto auto;
            gap: 20px;
            align-items: stretch;
        }

        .bento-main {
            grid-row: 1 / 3;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 36px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            position: relative;
            overflow: hidden;
            border: 1px solid var(--border-light);
            min-height: 380px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: rgba(255, 255, 255, 0.92);
        }

        .bento-main .bento-overlay {
            position: relative;
            z-index: 2;
        }

        .bento-main h1 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .bento-main .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 20px;
            max-width: 520px;
            line-height: 1.65;
        }

        .bento-main .live-score-preview {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .live-score-mini {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 14px 18px;
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            border: 1px solid var(--border-light);
            white-space: nowrap;
        }

        .live-score-mini .score-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--accent);
        }

        .live-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #e74c3c;
            animation: pulse-dot 1.6s infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(231, 76, 60, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(231, 76, 60, 0);
            }
        }

        .bento-side-top,
        .bento-side-bottom {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 24px;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .bento-side-top:hover,
        .bento-side-bottom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .bento-side-top h3,
        .bento-side-bottom h3 {
            font-size: 1.05rem;
            font-weight: 650;
            color: var(--text);
            margin-bottom: 6px;
        }

        .bento-side-top p,
        .bento-side-bottom p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.55;
        }

        .bento-cta-strip {
            grid-column: 1 / -1;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-md);
            padding: 20px 28px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        .bento-cta-strip span {
            font-size: 1rem;
            font-weight: 500;
            letter-spacing: 0.2px;
        }

        .bento-cta-strip .btn {
            background: #fff;
            color: var(--primary-dark) !important;
            font-weight: 700;
            flex-shrink: 0;
        }

        .bento-cta-strip .btn:hover {
            background: #f0f4f8;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(0, 0, 0, 0.2);
        }

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

        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

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

        .metric-value {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .metric-value.orange {
            color: var(--accent);
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        .metric-sub {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 2px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            text-align: center;
        }

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

        .service-card .card-icon {
            margin: 0 auto 16px;
            width: 56px;
            height: 56px;
            font-size: 1.5rem;
            border-radius: var(--radius-md);
        }

        .service-card h3 {
            font-size: 1.1rem;
            font-weight: 650;
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ========== COMPARISON ========== */
        .comparison-table-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.93rem;
        }

        .comparison-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 16px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            letter-spacing: 0.3px;
        }

        .comparison-table tbody td {
            padding: 14px 18px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
            font-weight: 500;
        }

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

        .comparison-table tbody tr:hover {
            background: var(--primary-light);
        }

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

        .comparison-table .check-icon {
            color: #1a8a4a;
            font-size: 1.1rem;
        }

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

        .feature-highlight-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }

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

        .feature-highlight-card .fh-img {
            height: 200px;
            background-size: cover;
            background-position: center;
            flex-shrink: 0;
        }

        .feature-highlight-card .fh-body {
            padding: 24px;
            flex: 1;
        }

        .feature-highlight-card .fh-body h3 {
            font-size: 1.15rem;
            font-weight: 650;
            margin-bottom: 8px;
            color: var(--text);
        }

        .feature-highlight-card .fh-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== TESTIMONIAL ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            position: relative;
        }

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

        .testimonial-card .quote-icon {
            font-size: 2rem;
            color: var(--primary-light);
            opacity: 0.7;
            margin-bottom: 10px;
        }

        .testimonial-card .quote-text {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }

        .testimonial-card .quote-author {
            font-weight: 650;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .quote-role {
            font-size: 0.8rem;
            color: var(--text-light);
        }

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

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 12px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            overflow: hidden;
        }

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

        .faq-item summary {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            list-style: none;
            color: var(--text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition);
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.75rem;
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-item[open] summary {
            color: var(--primary);
        }

        .faq-item .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #0f3d5c 0%, #1a5f8a 40%, #1a6a9a 100%);
            padding: 60px 0;
            border-radius: 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: 26px;
            border: 2px solid transparent;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition);
            background: #fff;
            color: var(--text);
        }

        .cta-form input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(232, 120, 42, 0.2);
        }

        .cta-form .btn {
            flex-shrink: 0;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2b;
            color: #c5cdd8;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 32px;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 650;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }

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

        .site-footer .footer-col ul li {
            margin-bottom: 6px;
        }

        .site-footer .footer-col ul li a {
            color: #a0aab5;
            font-size: 0.88rem;
            transition: color var(--transition);
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #8895a0;
        }

        .site-footer .footer-bottom a {
            color: #a0aab5;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom p {
            margin: 3px 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .bento-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto;
            }
            .bento-main {
                grid-row: auto;
                grid-column: 1 / -1;
                min-height: 300px;
            }
            .bento-side-top {
                grid-column: 1;
            }
            .bento-side-bottom {
                grid-column: 2;
            }
            .bento-cta-strip {
                grid-column: 1 / -1;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .feature-highlight-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 1px;
            }
            .nav-links li a {
                padding: 6px 8px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 110px;
            }
            .nav-search input:focus {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 16px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
                gap: 4px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 16px;
                font-size: 0.9rem;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .bento-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .bento-main {
                grid-column: auto;
                grid-row: auto;
                min-height: 260px;
                padding: 24px;
            }
            .bento-side-top,
            .bento-side-bottom {
                grid-column: auto;
            }
            .bento-cta-strip {
                grid-column: auto;
                flex-direction: column;
                text-align: center;
                padding: 18px 20px;
            }
            .bento-main h1 {
                font-size: 1.5rem;
            }
            .bento-main .hero-desc {
                font-size: 0.9rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-value {
                font-size: 1.8rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .feature-highlight-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section {
                padding: 40px 0;
            }
            .section-lg {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .comparison-table-wrap {
                overflow-x: auto;
            }
            .comparison-table {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 360px;
            }
            .live-score-preview {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card {
                padding: 16px 10px;
            }
            .metric-value {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .bento-main h1 {
                font-size: 1.3rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .hero-bento {
                padding: 30px 0 40px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 6px 12px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

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

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            width: 140px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 170px;
        }

        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }

        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
            color: #fff !important;
        }

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

        /* ========== SECTION COMMONS ========== */
        .section-padding {
            padding: 60px 0;
        }

        .section-padding-lg {
            padding: 80px 0;
        }

        .section-padding-sm {
            padding: 40px 0;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 36px;
            line-height: 1.6;
            max-width: 680px;
        }

        .section-header-center {
            text-align: center;
            margin-bottom: 48px;
        }

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

        /* ========== HERO ========== */
        .hero-category {
            background: linear-gradient(170deg, #f0f5f9 0%, #e8f0f6 30%, #ffffff 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .hero-category .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .hero-category h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }

        .hero-category .hero-desc {
            font-size: 1.08rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 520px;
        }

        .hero-category .hero-meta {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-category .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 7px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .hero-category .hero-meta-item i {
            color: var(--accent);
            font-size: 1rem;
        }

        .hero-category .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-lg {
            display: inline-block;
            padding: 13px 30px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
            box-shadow: 0 4px 16px rgba(232, 120, 42, 0.25);
            text-align: center;
        }

        .btn-primary-lg:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 120, 42, 0.35);
            color: #fff !important;
        }

        .btn-outline-lg {
            display: inline-block;
            padding: 13px 30px;
            background: transparent;
            color: var(--primary);
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--primary);
            letter-spacing: 0.2px;
            text-align: center;
        }

        .btn-outline-lg:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .hero-category .hero-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16 / 10;
            background: #dce6ef;
        }

        .hero-category .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .hero-category .hero-visual .live-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: #e02424;
            color: #fff;
            font-weight: 700;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            animation: pulse-live 2s infinite;
            z-index: 2;
        }

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

        /* ========== METRICS DASHBOARD ========== */
        .metrics-dashboard {
            background: var(--surface);
            padding: 50px 0;
            border-bottom: 1px solid var(--border-light);
        }

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

        .metric-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .metric-card .metric-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }

        .metric-card .metric-value {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary-dark);
            letter-spacing: -0.5px;
            line-height: 1;
            margin-bottom: 6px;
        }

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

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            background: var(--bg);
            padding: 70px 0;
        }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .service-card .service-icon-circle {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.4rem;
            flex-shrink: 0;
            margin-bottom: 4px;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            letter-spacing: -0.2px;
        }

        .service-card p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            flex-grow: 1;
        }

        .service-card .service-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            background: #fef5ee;
            padding: 4px 12px;
            border-radius: 14px;
            align-self: flex-start;
        }

        /* ========== COMPARISON ========== */
        .comparison-section {
            background: var(--surface);
            padding: 70px 0;
        }

        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            background: #fff;
        }

        .comparison-table thead th {
            background: var(--primary-dark);
            color: #fff;
            padding: 16px 18px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            letter-spacing: 0.2px;
        }

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

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-md) 0 0;
            background: #0a3a52;
            color: #fff;
        }

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

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

        .comparison-table tbody tr:last-child td {
            border-bottom: none;
        }

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

        .comparison-table .check-icon {
            color: #22a861;
            font-weight: 700;
            font-size: 1.1rem;
        }

        .comparison-table .cross-icon {
            color: #d44;
            font-weight: 700;
        }

        .comparison-table .highlight-col {
            background: #f8fbfd;
        }

        .comparison-table tbody td.highlight-col {
            font-weight: 600;
            color: var(--primary-dark);
        }

        /* ========== COVERAGE ========== */
        .coverage-section {
            background: var(--bg);
            padding: 70px 0;
        }

        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coverage-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            cursor: default;
        }

        .coverage-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }

        .coverage-card .coverage-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #e0e8f0;
        }

        .coverage-card .coverage-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .coverage-card:hover .coverage-img img {
            transform: scale(1.05);
        }

        .coverage-card .coverage-body {
            padding: 18px 16px;
        }

        .coverage-card .coverage-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 4px;
        }

        .coverage-card .coverage-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            background: var(--surface);
            padding: 70px 0;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .testimonial-card {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 4rem;
            color: var(--primary-light);
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
            z-index: 0;
        }

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

        .testimonial-card .testimonial-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        /* ========== HOW-TO-WATCH ========== */
        .howto-section {
            background: var(--bg);
            padding: 70px 0;
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            position: relative;
            counter-increment: step;
        }

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

        .step-card .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 14px;
        }

        .step-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px;
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            margin: 0;
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--surface);
            padding: 70px 0;
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            background: none;
            border: none;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            font-family: inherit;
            transition: all var(--transition);
            gap: 12px;
        }

        .faq-question i {
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
            font-size: 0.85rem;
        }

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

        .faq-item.active .faq-question {
            color: var(--primary);
            background: #fafcfd;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 20px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.93rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a5f8a 0%, #0f3d5c 100%);
            padding: 70px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section .cta-inner {
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 26px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition);
            font-family: inherit;
        }

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

        .cta-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
        }

        .cta-form .btn-cta-submit {
            padding: 13px 28px;
            background: #fff;
            color: var(--primary-dark) !important;
            border-radius: 26px;
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.2px;
            font-family: inherit;
        }

        .cta-form .btn-cta-submit:hover {
            background: #f0f4f8;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.2);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2b;
            color: #c5cdd8;
            padding: 50px 0 30px;
            font-size: 0.9rem;
            line-height: 2;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }

        .site-footer h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.2px;
        }

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

        .site-footer ul li a {
            color: #a0aab5;
            transition: color var(--transition);
            font-size: 0.88rem;
        }

        .site-footer ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            text-align: center;
            font-size: 0.82rem;
            color: #8895a2;
        }

        .site-footer .footer-bottom a {
            color: #a0aab5;
            transition: color var(--transition);
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom p {
            margin: 4px 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-category .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .hero-category .hero-visual {
                aspect-ratio: 16 / 9;
                max-width: 560px;
                margin: 0 auto;
            }
            .hero-category h1 {
                font-size: 2.1rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 1px;
            }
            .nav-links li a {
                padding: 7px 8px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 110px;
            }
            .nav-search input:focus {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 16px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .hero-category {
                padding: 40px 0 35px;
            }
            .hero-category h1 {
                font-size: 1.7rem;
            }
            .hero-category .hero-desc {
                font-size: 0.95rem;
            }
            .hero-category .hero-visual {
                aspect-ratio: 16 / 9;
                max-width: 100%;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-card .metric-value {
                font-size: 1.6rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .comparison-table-wrap {
                font-size: 0.8rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 10px;
                font-size: 0.78rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-padding,
            .section-padding-lg {
                padding: 40px 0;
            }
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-form input {
                width: 100%;
                max-width: 360px;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-category .hero-actions {
                flex-direction: column;
                gap: 10px;
            }
            .hero-category .hero-actions .btn-primary-lg,
            .hero-category .hero-actions .btn-outline-lg {
                width: 100%;
                text-align: center;
            }
            .hero-category .hero-meta {
                gap: 10px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .hero-category h1 {
                font-size: 1.45rem;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text);
            margin-top: 0;
            line-height: 1.35;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .nav-logo:hover {
            color: var(--primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
        }
        .nav-search input {
            width: 140px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 180px;
        }
        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
            color: #fff !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
        }

        /* ========== BUTTONS ========== */
        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            background: var(--primary);
            color: #fff !important;
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 95, 138, 0.3);
            color: #fff !important;
        }
        .btn-accent {
            display: inline-block;
            padding: 13px 28px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            cursor: pointer;
            text-align: center;
        }
        .btn-accent:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 120, 42, 0.3);
            color: #fff !important;
        }
        .btn-outline {
            display: inline-block;
            padding: 12px 26px;
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff !important;
            transform: translateY(-2px);
        }
        .btn-white {
            display: inline-block;
            padding: 13px 28px;
            background: #fff;
            color: var(--primary-dark) !important;
            border-radius: 26px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }
        .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 255, 255, 0.3);
            color: var(--primary-dark) !important;
        }

        /* ========== SECTION SPACING ========== */
        .section-padding {
            padding: 64px 0;
        }
        .section-padding-lg {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 40px 0;
        }

        /* ========== BADGES & TAGS ========== */
        .badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            white-space: nowrap;
        }
        .badge-primary {
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: #fef5ee;
            color: var(--accent);
        }
        .badge-green {
            background: #e8f5e9;
            color: #2e7d32;
        }

        /* ========== CARDS ========== */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            transition: all var(--transition);
            overflow: hidden;
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-body {
            padding: 24px;
        }
        .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        /* ========== HERO (深色面板) ========== */
        .hero-dark {
            background: linear-gradient(135deg, #0a2d47 0%, #0f3d5c 40%, #1a3d54 100%);
            color: #fff;
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }
        .hero-dark::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-dark .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-dark h1 {
            color: #fff;
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .hero-dark .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .hero-dark .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .hero-rank-panel {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 20px 24px;
            backdrop-filter: blur(6px);
        }
        .hero-rank-panel h3 {
            color: #fff;
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .rank-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .rank-item:last-child {
            border-bottom: none;
        }
        .rank-item:hover {
            color: #fff;
        }
        .rank-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .rank-num.silver {
            background: #8895a7;
        }
        .rank-num.bronze {
            background: #b8860b;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition);
            height: 100%;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .metric-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
        }
        .metric-label {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }
        .metric-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 10px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow);
            padding: 28px 22px;
            transition: all var(--transition);
            height: 100%;
            border-top: 3px solid transparent;
            position: relative;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-top-color: var(--primary);
        }
        .service-card .service-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-wrap {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .comparison-header {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            background: var(--primary-dark);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            text-align: center;
            padding: 14px 0;
        }
        .comparison-row {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            text-align: center;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            align-items: center;
            transition: background var(--transition);
        }
        .comparison-row:hover {
            background: var(--primary-light);
        }
        .comparison-row:last-child {
            border-bottom: none;
        }
        .comparison-row .col-label {
            font-weight: 600;
            color: var(--text);
            text-align: left;
            padding-left: 20px;
        }
        .comparison-row .col-old {
            color: var(--text-light);
        }
        .comparison-row .col-new {
            color: var(--primary);
            font-weight: 600;
        }
        .check-icon {
            color: #2e7d32;
            font-weight: 700;
        }
        .cross-icon {
            color: #c0392b;
        }

        /* ========== PROCESS STEPS ========== */
        .process-step {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 20px 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .process-step:last-child {
            border-bottom: none;
        }
        .process-step:hover {
            background: var(--primary-light);
            border-radius: var(--radius);
            padding-left: 16px;
            margin-left: -16px;
        }
        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-weight: 700;
            font-size: 1.05rem;
            margin-bottom: 4px;
            color: var(--text);
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== FAQ ========== */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text);
            transition: color var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            padding: 0 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: linear-gradient(135deg, #0f3d5c 0%, #1a5f8a 100%);
            color: #fff;
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 0;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #fff;
            font-weight: 700;
            font-size: 1.8rem;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1rem;
            margin-bottom: 20px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            max-width: 500px;
        }
        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 13px 18px;
            border-radius: 26px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: all var(--transition);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-form input:focus {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.18);
            box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.08);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1e2c;
            color: #c0c8d2;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .site-footer h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            letter-spacing: 0.2px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: #c0c8d2;
            transition: color var(--transition);
            font-size: 0.88rem;
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            text-align: center;
            font-size: 0.82rem;
            color: #8895a7;
        }
        .footer-bottom a {
            color: #8895a7;
            transition: color var(--transition);
        }
        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .nav-links li a {
                padding: 6px 8px;
                font-size: 0.8rem;
            }
            .nav-search input {
                width: 120px;
            }
            .nav-search input:focus {
                width: 150px;
            }
            .hero-dark h1 {
                font-size: 2rem;
            }
            .hero-dark .hero-subtitle {
                font-size: 1rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 12px 0;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
                gap: 0;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 12px 20px;
                border-radius: 0;
                font-size: 0.95rem;
                width: 100%;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .hero-dark {
                padding: 40px 0;
            }
            .hero-dark h1 {
                font-size: 1.6rem;
            }
            .hero-dark .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-rank-panel {
                margin-top: 20px;
            }
            .section-padding {
                padding: 40px 0;
            }
            .section-padding-lg {
                padding: 50px 0;
            }
            .metric-number {
                font-size: 2rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 18px;
            }
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1fr 1fr 1fr;
                font-size: 0.78rem;
            }
            .comparison-row .col-label {
                padding-left: 10px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: 100%;
            }
            .process-step {
                flex-direction: column;
                gap: 10px;
            }
            .process-step:hover {
                padding-left: 0;
                margin-left: 0;
            }
        }

        @media (max-width: 520px) {
            .hero-dark h1 {
                font-size: 1.35rem;
            }
            .hero-dark .hero-cta-group {
                flex-direction: column;
            }
            .hero-dark .hero-cta-group .btn-white,
            .hero-dark .hero-cta-group .btn-outline {
                width: 100%;
                text-align: center;
            }
            .metric-card {
                padding: 18px 14px;
            }
            .metric-number {
                font-size: 1.6rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .comparison-header,
            .comparison-row {
                grid-template-columns: 1fr 1fr 1fr;
                font-size: 0.7rem;
                padding: 8px 0;
            }
            .comparison-row .col-label {
                padding-left: 6px;
                font-size: 0.7rem;
            }
            .cta-section {
                padding: 28px 16px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .btn-nav-cta {
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo i {
                font-size: 1.2rem;
            }
        }

/* roulang page: category4 */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

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

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            width: 140px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 170px;
        }

        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }

        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
        }

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

        /* ========== SECTION TITLES ========== */
        .section-title-block {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-title-block .section-label {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }

        .section-title-block h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            letter-spacing: -0.3px;
        }

        .section-title-block .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

        /* ========== HERO ========== */
        .page-hero {
            background: linear-gradient(170deg, #f0f5f9 0%, #e3ecf4 40%, #f7f9fb 100%);
            padding: 60px 0 50px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(26, 95, 138, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .hero-inner {
            display: flex;
            align-items: center;
            gap: 50px;
            position: relative;
            z-index: 1;
        }

        .page-hero .hero-text {
            flex: 1;
        }

        .page-hero .hero-text .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }

        .page-hero .hero-text h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: var(--text);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .page-hero .hero-text .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 24px;
            line-height: 1.7;
            max-width: 520px;
        }

        .page-hero .hero-text .hero-features {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 24px;
        }

        .page-hero .hero-text .hero-features span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 7px 14px;
            background: var(--surface);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
            box-shadow: var(--shadow-sm);
        }

        .page-hero .hero-text .hero-features span i {
            color: var(--accent);
            font-size: 0.8rem;
        }

        .btn-hero-cta {
            display: inline-block;
            padding: 13px 32px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            letter-spacing: 0.3px;
            transition: all var(--transition);
            border: none;
            box-shadow: 0 6px 20px rgba(232, 120, 42, 0.25);
        }

        .btn-hero-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(232, 120, 42, 0.35);
        }

        .page-hero .hero-visual {
            flex: 0 0 420px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .hero-visual .visual-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 16px;
            text-align: center;
        }

        .hero-visual .time-slots {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .hero-visual .time-slot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 13px 16px;
            border: 2px solid var(--border-light);
            border-radius: var(--radius);
            cursor: pointer;
            transition: all var(--transition);
            background: var(--surface);
        }

        .hero-visual .time-slot:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .hero-visual .time-slot.selected {
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: 0 0 0 4px rgba(26, 95, 138, 0.06);
        }

        .hero-visual .time-slot .slot-info {
            display: flex;
            flex-direction: column;
        }

        .hero-visual .time-slot .slot-label {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text);
        }

        .hero-visual .time-slot .slot-desc {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .hero-visual .time-slot .slot-badge {
            padding: 4px 10px;
            background: #e8f5e9;
            color: #2e7d32;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .hero-visual .visual-cta {
            display: block;
            width: 100%;
            margin-top: 16px;
            padding: 12px;
            background: var(--primary);
            color: #fff !important;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            transition: all var(--transition);
            border: none;
        }

        .hero-visual .visual-cta:hover {
            background: var(--primary-dark);
            box-shadow: var(--shadow);
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-section {
            padding: 50px 0;
            background: var(--surface);
        }

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

        .metric-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--bg);
            border-radius: var(--radius-md);
            transition: all var(--transition);
            border: 1px solid transparent;
        }

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

        .metric-card .metric-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 12px;
        }

        .metric-card .metric-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.2;
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }

        .metric-card .metric-trend {
            font-size: 0.8rem;
            color: #2e7d32;
            font-weight: 600;
            margin-top: 2px;
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix-section {
            padding: 56px 0;
            background: var(--bg);
        }

        .service-matrix-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

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

        .service-card .service-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: var(--radius);
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.3rem;
            margin-bottom: 14px;
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
        }

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

        .service-card .service-tags span {
            padding: 4px 10px;
            background: var(--bg);
            border-radius: 14px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        .service-card .service-link {
            display: inline-block;
            margin-top: 12px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }

        .service-card .service-link i {
            margin-left: 4px;
            transition: transform var(--transition);
        }

        .service-card .service-link:hover i {
            transform: translateX(3px);
        }

        /* ========== COMPARISON SECTION ========== */
        .comparison-section {
            padding: 56px 0;
            background: var(--surface);
        }

        .comparison-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-col {
            background: var(--bg);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            border: 1px solid var(--border-light);
        }

        .comparison-col.highlight {
            background: var(--primary-light);
            border-color: var(--primary);
            border-width: 2px;
            position: relative;
        }

        .comparison-col.highlight::before {
            content: '懂球体育';
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--primary);
            color: #fff;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .comparison-col h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

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

        .comparison-col ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
            color: var(--text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .comparison-col ul li:last-child {
            border-bottom: none;
        }

        .comparison-col ul li i.fa-check {
            color: #2e7d32;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .comparison-col ul li i.fa-times {
            color: #c62828;
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ========== DEEP INTEL SECTION ========== */
        .deep-intel-section {
            padding: 56px 0;
            background: var(--bg);
        }

        .deep-intel-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .intel-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

        .intel-card .intel-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .intel-card .intel-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .intel-card:hover .intel-img img {
            transform: scale(1.05);
        }

        .intel-card .intel-img .intel-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--accent);
            color: #fff;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            z-index: 1;
        }

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

        .intel-card .intel-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }

        .intel-card .intel-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }

        .intel-card .intel-body .intel-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
        }

        .intel-card .intel-body .intel-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== PROCESS SECTION ========== */
        .process-section {
            padding: 56px 0;
            background: var(--surface);
        }

        .process-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            padding: 24px 16px;
            position: relative;
        }

        .process-step .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

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

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

        .process-steps::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: var(--border);
            z-index: 0;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonials-section {
            padding: 56px 0;
            background: var(--bg);
        }

        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }

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

        .testimonial-card .testimonial-stars {
            color: #f5a623;
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 14px;
            font-style: italic;
        }

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

        .testimonial-card .testimonial-author .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-weight: 700;
            font-size: 0.9rem;
        }

        .testimonial-card .testimonial-author .author-info {
            font-size: 0.85rem;
            color: var(--text);
            font-weight: 600;
        }

        .testimonial-card .testimonial-author .author-info small {
            display: block;
            font-weight: 400;
            color: var(--text-light);
            font-size: 0.75rem;
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 56px 0;
            background: var(--surface);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--border-light);
            padding: 18px 0;
            cursor: pointer;
            transition: all var(--transition);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--border-light);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            gap: 12px;
        }

        .faq-item .faq-question i {
            color: var(--text-light);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-top: 10px;
        }

        /* ========== CTA FORM SECTION ========== */
        .cta-form-section {
            padding: 56px 0;
            background: linear-gradient(160deg, #f0f5f9 0%, #e3ecf4 50%, #f7f9fb 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(26, 95, 138, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-form-inner {
            display: flex;
            align-items: center;
            gap: 40px;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .cta-form-text {
            flex: 1;
        }

        .cta-form-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 10px;
            letter-spacing: -0.3px;
        }

        .cta-form-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .cta-form-card {
            flex: 0 0 380px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-md);
        }

        .cta-form-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 16px;
            text-align: center;
        }

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

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

        .cta-form-card input,
        .cta-form-card select,
        .cta-form-card textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            font-size: 0.9rem;
            font-family: inherit;
            transition: all var(--transition);
            background: var(--bg);
            color: var(--text);
            outline: none;
            box-sizing: border-box;
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus,
        .cta-form-card textarea:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.06);
        }

        .cta-form-card .btn-submit {
            display: block;
            width: 100%;
            padding: 12px;
            background: var(--accent);
            color: #fff !important;
            border-radius: var(--radius);
            font-weight: 600;
            font-size: 1rem;
            text-align: center;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.3px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--accent-hover);
            box-shadow: 0 6px 18px rgba(232, 120, 42, 0.3);
        }

        .cta-form-card .form-note {
            text-align: center;
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a2332;
            color: #c5cdd8;
            padding: 44px 0 20px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 28px;
        }

        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.2px;
        }

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

        .site-footer .footer-col ul li {
            margin-bottom: 6px;
        }

        .site-footer .footer-col ul li a {
            color: #a0aab4;
            transition: color var(--transition);
            font-size: 0.85rem;
        }

        .site-footer .footer-col ul li a:hover {
            color: #fff;
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: #8a94a0;
        }

        .site-footer .footer-bottom a {
            color: #a0aab4;
        }

        .site-footer .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .page-hero .hero-inner {
                flex-direction: column;
                gap: 30px;
            }
            .page-hero .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-steps::before {
                display: none;
            }
            .deep-intel-grid {
                grid-template-columns: 1fr;
            }
            .comparison-wrapper {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-form-inner {
                flex-direction: column;
            }
            .cta-form-card {
                flex: 0 0 auto;
                width: 100%;
                max-width: 500px;
            }
            .site-footer .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero .hero-text h1 {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 12px 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 14px;
                width: 100%;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-search {
                display: none;
            }
            .btn-nav-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-matrix-grid {
                grid-template-columns: 1fr;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
            .page-hero .hero-text h1 {
                font-size: 1.6rem;
            }
            .section-title-block h2 {
                font-size: 1.5rem;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 36px 0 30px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .page-hero .hero-text .hero-features span {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .page-hero .hero-visual {
                padding: 16px 12px;
            }
            .hero-visual .time-slot {
                padding: 10px 12px;
            }
            .btn-hero-cta {
                padding: 11px 24px;
                font-size: 0.9rem;
            }
            .container-custom {
                padding: 0 14px;
            }
        }

/* roulang page: category6 */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }

        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }

        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

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

        .nav-logo:hover {
            color: var(--primary-dark);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }

        .nav-links li a {
            display: inline-block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }

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

        .nav-links li a.active {
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .nav-search {
            position: relative;
        }

        .nav-search input {
            width: 140px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }

        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 170px;
        }

        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }

        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }

        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
            color: #fff !important;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
            cursor: pointer;
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #f0f5f9 0%, #e8f2f9 30%, #f7f9fb 100%);
            padding: 60px 0 70px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(26, 95, 138, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 380px;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-content {
            max-width: 620px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }

        .hero-content h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin: 0 0 16px 0;
            letter-spacing: -0.6px;
        }

        .hero-content h1 span {
            color: var(--accent);
            position: relative;
        }

        .hero-content .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0 0 28px 0;
            max-width: 540px;
        }

        .hero-buttons {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            display: inline-block;
            padding: 13px 28px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 26px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 120, 42, 0.32);
            color: #fff !important;
        }

        .btn-outline {
            display: inline-block;
            padding: 13px 28px;
            background: transparent;
            color: var(--primary);
            border-radius: 26px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            border: 2px solid var(--primary);
            letter-spacing: 0.2px;
            text-align: center;
        }

        .btn-outline:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

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

        .hero-phone-card {
            width: 260px;
            height: 460px;
            background: var(--surface);
            border-radius: 28px;
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            position: relative;
            border: 3px solid #e8ecf0;
            display: flex;
            flex-direction: column;
        }

        .hero-phone-card .phone-top {
            background: var(--primary-dark);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: #fff;
            font-size: 0.7rem;
            font-weight: 600;
        }

        .hero-phone-card .phone-top i {
            font-size: 0.6rem;
            color: #4caf84;
        }

        .hero-phone-card .phone-content {
            flex: 1;
            padding: 14px;
            overflow-y: auto;
            background: #fafbfc;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .phone-msg {
            background: #fff;
            padding: 10px 12px;
            border-radius: 10px;
            font-size: 0.72rem;
            color: var(--text);
            box-shadow: var(--shadow-sm);
            line-height: 1.5;
        }

        .phone-msg.accent {
            background: var(--primary-light);
            border-left: 3px solid var(--primary);
        }

        .phone-msg .msg-name {
            font-weight: 700;
            color: var(--primary);
            font-size: 0.7rem;
            margin-bottom: 3px;
        }

        .phone-input-bar {
            display: flex;
            gap: 6px;
            padding: 8px 10px;
            background: #fff;
            border-top: 1px solid var(--border-light);
            align-items: center;
        }

        .phone-input-bar input {
            flex: 1;
            padding: 8px 12px;
            border-radius: 16px;
            border: 1px solid var(--border);
            font-size: 0.7rem;
            outline: none;
            background: #f7f8f9;
        }

        .phone-input-bar button {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50%;
            width: 30px;
            height: 30px;
            font-size: 0.7rem;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 60px 0;
        }

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

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

        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px 0;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.4px;
            text-transform: uppercase;
        }

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

        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        .metric-card:nth-child(2)::before {
            background: var(--accent);
        }

        .metric-card:nth-child(3)::before {
            background: #2e8b57;
        }

        .metric-card:nth-child(4)::before {
            background: #6c5ce7;
        }

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

        .metric-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--primary);
        }

        .metric-card:nth-child(2) .metric-icon {
            color: var(--accent);
        }

        .metric-card:nth-child(3) .metric-icon {
            color: #2e8b57;
        }

        .metric-card:nth-child(4) .metric-icon {
            color: #6c5ce7;
        }

        .metric-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.5px;
        }

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

        .metric-sub {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-top: 4px;
        }

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

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 30px 24px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .service-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .service-card .service-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            flex-shrink: 0;
        }

        .service-card .service-icon-wrap.blue {
            background: #e8f2f9;
            color: var(--primary);
        }

        .service-card .service-icon-wrap.orange {
            background: #fef3ea;
            color: var(--accent);
        }

        .service-card .service-icon-wrap.green {
            background: #eaf7ef;
            color: #2e8b57;
        }

        .service-card .service-icon-wrap.purple {
            background: #f0edfb;
            color: #6c5ce7;
        }

        .service-card .service-icon-wrap.teal {
            background: #e8f8f6;
            color: #0d9488;
        }

        .service-card .service-icon-wrap.rose {
            background: #fef0f3;
            color: #e85d75;
        }

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

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

        .service-card .service-features {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-top: 4px;
        }

        .service-card .service-features span {
            font-size: 0.75rem;
            padding: 3px 10px;
            background: var(--bg);
            border-radius: 12px;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ========== COMPARISON ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 30px;
            max-width: 900px;
            margin: 0 auto;
        }

        .comparison-card {
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            border: 2px solid var(--border-light);
            transition: all var(--transition);
        }

        .comparison-card.before {
            background: #fafafa;
            border-color: #e8e8e8;
        }

        .comparison-card.after {
            background: var(--surface);
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            position: relative;
        }

        .comparison-card.after::after {
            content: '✓ 推荐';
            position: absolute;
            top: -14px;
            right: 20px;
            background: var(--accent);
            color: #fff;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }

        .comparison-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 0 0 16px 0;
            text-align: center;
        }

        .comparison-card.before h3 {
            color: #999;
        }

        .comparison-card.after h3 {
            color: var(--primary);
        }

        .comparison-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .comparison-list li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.93rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .comparison-list li:last-child {
            border-bottom: none;
        }

        .comparison-list li i.fa-check {
            color: #2e8b57;
            font-size: 0.85rem;
        }

        .comparison-list li i.fa-times {
            color: #ccc;
            font-size: 0.85rem;
        }

        .comparison-list li i.fa-star {
            color: var(--accent);
            font-size: 0.85rem;
        }

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

        .topic-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            border: 1px solid var(--border-light);
            cursor: pointer;
        }

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

        .topic-card .topic-img {
            width: 160px;
            flex-shrink: 0;
            overflow: hidden;
            position: relative;
        }

        .topic-card .topic-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .topic-card:hover .topic-img img {
            transform: scale(1.06);
        }

        .topic-card .topic-body {
            padding: 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 8px;
        }

        .topic-card .topic-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 0.72rem;
            font-weight: 600;
            background: var(--primary-light);
            color: var(--primary);
            width: fit-content;
        }

        .topic-card .topic-tag.hot {
            background: #fef3ea;
            color: var(--accent);
        }

        .topic-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin: 0;
            line-height: 1.4;
        }

        .topic-card .topic-meta {
            font-size: 0.78rem;
            color: var(--text-light);
            display: flex;
            gap: 14px;
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .testimonial-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            position: relative;
        }

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 12px;
            left: 16px;
            font-size: 3rem;
            color: var(--primary-light);
            font-weight: 700;
            line-height: 1;
            pointer-events: none;
            font-family: Georgia, serif;
        }

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

        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0 0 14px 0;
            padding-top: 6px;
            position: relative;
            z-index: 1;
        }

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

        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--text);
        }

        .testimonial-card .author-role {
            font-size: 0.72rem;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            user-select: none;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: background var(--transition);
        }

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

        .faq-question i {
            transition: transform var(--transition);
            color: var(--primary);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 22px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

        /* ========== CTA FORM ========== */
        .cta-section {
            background: linear-gradient(160deg, #1a5f8a 0%, #0f3d5c 100%);
            padding: 60px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .cta-info h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 12px 0;
            letter-spacing: -0.3px;
        }

        .cta-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.65;
            margin: 0 0 8px 0;
        }

        .cta-info .cta-benefits {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .cta-info .cta-benefits li {
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .cta-info .cta-benefits li i {
            color: #4caf84;
            font-size: 0.8rem;
        }

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

        .cta-form-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 6px 0;
            text-align: center;
        }

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

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

        .cta-form-card label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 5px;
        }

        .cta-form-card input,
        .cta-form-card select {
            width: 100%;
            padding: 11px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-family: inherit;
            transition: all var(--transition);
            outline: none;
            background: #fafbfc;
            color: var(--text);
        }

        .cta-form-card input:focus,
        .cta-form-card select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.07);
            background: #fff;
        }

        .cta-form-card .btn-submit {
            width: 100%;
            padding: 13px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 26px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            letter-spacing: 0.3px;
            font-family: inherit;
            margin-top: 6px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 120, 42, 0.35);
        }

        .cta-form-card .form-note {
            font-size: 0.72rem;
            color: var(--text-light);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a1f2b;
            color: #c5cad4;
            padding: 50px 0 0;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            padding-bottom: 30px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 14px 0;
        }

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

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

        .footer-col ul li a {
            color: #a0a8b4;
            font-size: 0.85rem;
            transition: color var(--transition);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            text-align: center;
            padding: 20px 0;
            font-size: 0.8rem;
            color: #8890a0;
            line-height: 1.8;
        }

        .footer-bottom a {
            color: #a0a8b4;
        }

        .footer-bottom a:hover {
            color: #fff;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .hero-visual {
                order: -1;
            }

            .hero-phone-card {
                width: 220px;
                height: 380px;
            }

            .hero-content h1 {
                font-size: 2rem;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .topics-grid {
                grid-template-columns: 1fr;
            }

            .cta-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .nav-links {
                gap: 0;
            }

            .nav-links li a {
                padding: 7px 8px;
                font-size: 0.8rem;
            }

            .nav-search input {
                width: 110px;
            }

            .nav-search input:focus {
                width: 140px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 12px 0;
                box-shadow: var(--shadow-md);
                border-bottom: 2px solid var(--border);
                z-index: 999;
                gap: 0;
            }

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

            .nav-links li a {
                display: block;
                padding: 12px 20px;
                border-radius: 0;
                font-size: 0.95rem;
                border-bottom: 1px solid var(--border-light);
            }

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

            .nav-search {
                display: none;
            }

            .btn-nav-cta {
                font-size: 0.8rem;
                padding: 7px 14px;
            }

            .hero-section {
                padding: 40px 0 50px;
            }

            .hero-content h1 {
                font-size: 1.7rem;
            }

            .hero-phone-card {
                width: 180px;
                height: 320px;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .metric-card {
                padding: 20px 14px;
            }

            .metric-value {
                font-size: 1.6rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .comparison-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .topics-grid {
                grid-template-columns: 1fr;
            }

            .topic-card {
                flex-direction: column;
            }

            .topic-card .topic-img {
                width: 100%;
                height: 160px;
            }

            .section {
                padding: 40px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .cta-form-card {
                padding: 24px 18px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.45rem;
            }

            .hero-phone-card {
                width: 150px;
                height: 270px;
            }

            .hero-buttons {
                flex-direction: column;
                gap: 10px;
            }

            .btn-primary,
            .btn-outline {
                width: 100%;
                text-align: center;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-value {
                font-size: 1.3rem;
            }

            .metric-card {
                padding: 16px 10px;
            }

            .section-header h2 {
                font-size: 1.35rem;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .cta-info h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #1a5f8a;
            --primary-dark: #0f3d5c;
            --primary-light: #e8f2f9;
            --accent: #e8782a;
            --accent-hover: #c95f1e;
            --bg: #f7f9fb;
            --surface: #ffffff;
            --text: #1c2333;
            --text-secondary: #5a6474;
            --text-light: #8895a7;
            --border: #e2e8f0;
            --border-light: #eef2f7;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: 0.22s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --max-width: 1240px;
            --nav-height: 68px;
            --green: #10b981;
            --green-light: #d1fae5;
            --red: #ef4444;
            --red-light: #fee2e2;
            --amber: #f59e0b;
            --amber-light: #fef3c7;
            --purple: #7c3aed;
            --purple-light: #ede9fe;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
            border-radius: 3px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }

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

        /* ========== HEADER / NAV ========== */
        .site-header {
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--nav-height);
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
        }
        .site-header .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            flex-wrap: nowrap;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary-dark);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .nav-logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .nav-logo:hover {
            color: var(--primary-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2px;
            list-style: none;
            flex-wrap: nowrap;
            margin: 0;
            padding: 0;
        }
        .nav-links li a {
            display: inline-block;
            padding: 7px 10px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover,
        .nav-links li a.active {
            background: var(--primary-light);
            color: var(--primary);
        }
        .nav-links li a.active {
            font-weight: 600;
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .nav-search {
            position: relative;
        }
        .nav-search input {
            width: 140px;
            padding: 9px 14px 9px 36px;
            border: 1px solid var(--border);
            border-radius: 22px;
            font-size: 0.9rem;
            background: var(--bg);
            transition: all var(--transition);
            outline: none;
            color: var(--text);
        }
        .nav-search input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
            width: 170px;
        }
        .nav-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-light);
            font-size: 0.85rem;
            pointer-events: none;
        }
        .btn-nav-cta {
            display: inline-block;
            padding: 9px 20px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 22px;
            font-weight: 600;
            font-size: 0.9rem;
            white-space: nowrap;
            transition: all var(--transition);
            border: none;
            letter-spacing: 0.2px;
        }
        .btn-nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-1px);
            box-shadow: 0 4px 14px rgba(232, 120, 42, 0.3);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text);
            padding: 6px;
        }

        /* ========== COUPON HERO ========== */
        .coupon-hero {
            padding: 50px 0 60px;
            background: linear-gradient(180deg, #f0f5fa 0%, #f7f9fb 100%);
            position: relative;
            overflow: hidden;
        }
        .coupon-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(26, 95, 138, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .coupon-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 260px;
            height: 260px;
            background: radial-gradient(circle, rgba(232, 120, 42, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .coupon-hero .container-custom {
            position: relative;
            z-index: 1;
        }
        .coupon-hero-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .coupon-hero-header .hero-badge {
            display: inline-block;
            background: var(--accent);
            color: #fff;
            padding: 5px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }
        .coupon-hero-header h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 10px;
            letter-spacing: -0.5px;
            line-height: 1.25;
        }
        .coupon-hero-header .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .coupon-wall {
            display: grid;
            grid-template-columns: 1fr 1.6fr 1fr;
            grid-template-rows: auto auto;
            gap: 18px;
            max-width: 1000px;
            margin: 0 auto;
            align-items: start;
        }
        .coupon-card {
            background: var(--surface);
            border: 2px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 18px;
            text-align: center;
            transition: all var(--transition);
            cursor: pointer;
            position: relative;
            box-shadow: var(--shadow-sm);
        }
        .coupon-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .coupon-card.featured {
            grid-column: 2;
            grid-row: 1 / 3;
            border: 3px solid var(--accent);
            padding: 34px 26px;
            box-shadow: var(--shadow-lg);
            background: #fffdf9;
            z-index: 2;
            border-radius: var(--radius-xl);
        }
        .coupon-card.featured .coupon-ribbon {
            position: absolute;
            top: 16px;
            right: -6px;
            background: var(--accent);
            color: #fff;
            padding: 6px 18px 6px 14px;
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: 4px 0 0 4px;
            letter-spacing: 0.5px;
            box-shadow: 2px 2px 6px rgba(0, 0, 0, 0.12);
        }
        .coupon-card.featured .coupon-ribbon::after {
            content: '';
            position: absolute;
            bottom: -7px;
            right: 0;
            width: 0;
            height: 0;
            border-top: 7px solid var(--accent-hover);
            border-right: 6px solid transparent;
        }
        .coupon-card .coupon-icon {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 8px;
        }
        .coupon-card.featured .coupon-icon {
            font-size: 2.8rem;
            margin-bottom: 12px;
        }
        .coupon-card .coupon-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .coupon-card.featured .coupon-title {
            font-size: 1.4rem;
            margin-bottom: 8px;
        }
        .coupon-card .coupon-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .coupon-card.featured .coupon-desc {
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .coupon-card .coupon-price {
            margin-bottom: 10px;
        }
        .coupon-card .price-original {
            text-decoration: line-through;
            color: var(--text-light);
            font-size: 0.85rem;
            margin-right: 6px;
        }
        .coupon-card .price-now {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--accent);
        }
        .coupon-card.featured .price-now {
            font-size: 1.8rem;
        }
        .coupon-card .price-free {
            font-weight: 700;
            font-size: 1.1rem;
            color: #10b981;
        }
        .coupon-card.featured .price-free {
            font-size: 1.5rem;
        }
        .btn-claim {
            display: inline-block;
            padding: 10px 22px;
            background: var(--accent);
            color: #fff !important;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            transition: all var(--transition);
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .btn-claim:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(232, 120, 42, 0.35);
        }
        .btn-claim.featured-btn {
            padding: 13px 32px;
            font-size: 1.05rem;
            border-radius: 26px;
            letter-spacing: 0.5px;
        }
        .btn-claim.claimed {
            background: #10b981;
            pointer-events: none;
            cursor: default;
        }
        .btn-claim.claimed:hover {
            background: #10b981;
            transform: none;
            box-shadow: none;
        }
        .claim-toast {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%) translateY(-120px);
            background: #10b981;
            color: #fff;
            padding: 14px 28px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            z-index: 9999;
            box-shadow: var(--shadow-lg);
            transition: transform 0.35s cubic-bezier(0.175, 0.885, 0.32, 1.275);
            pointer-events: none;
            letter-spacing: 0.3px;
        }
        .claim-toast.show {
            transform: translateX(-50%) translateY(0);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--surface);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text);
            margin: 0 0 8px;
            letter-spacing: -0.3px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
        }

        /* ========== METRICS DASHBOARD ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            box-shadow: var(--shadow);
            text-align: center;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-card .metric-icon {
            font-size: 1.6rem;
            margin-bottom: 8px;
        }
        .metric-card .metric-value {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text);
            letter-spacing: -0.5px;
            line-height: 1.1;
        }
        .metric-card .metric-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-top: 4px;
        }
        .metric-card .metric-change {
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 4px;
            display: inline-block;
            padding: 2px 10px;
            border-radius: 12px;
        }
        .metric-change.up {
            color: #059669;
            background: var(--green-light);
        }
        .metric-change.down {
            color: #dc2626;
            background: var(--red-light);
        }
        .metric-icon.blue {
            color: var(--primary);
        }
        .metric-icon.amber {
            color: var(--amber);
        }
        .metric-icon.green {
            color: var(--green);
        }
        .metric-icon.purple {
            color: var(--purple);
        }

        /* ========== SERVICE MATRIX ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 14px;
        }
        .service-tier-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 24px 18px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            text-align: center;
            transition: all var(--transition);
            position: relative;
        }
        .service-tier-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--primary-light);
        }
        .service-tier-card.premium {
            border-color: var(--accent);
            border-width: 2px;
            box-shadow: var(--shadow-md);
        }
        .service-tier-card .tier-badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 10px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .service-tier-card.premium .tier-badge {
            background: var(--accent);
            color: #fff;
        }
        .service-tier-card .tier-name {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--text);
            margin-bottom: 6px;
        }
        .service-tier-card .tier-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 10px;
        }
        .service-tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0;
            text-align: left;
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .service-tier-card .tier-features li {
            padding: 4px 0;
            padding-left: 18px;
            position: relative;
        }
        .service-tier-card .tier-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            color: var(--green);
            font-size: 0.7rem;
        }

        /* ========== TRANSFER HOT LIST ========== */
        .transfer-hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .transfer-hot-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition);
            border: 1px solid var(--border-light);
            cursor: pointer;
        }
        .transfer-hot-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .transfer-hot-item .hot-rank {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .transfer-hot-item .hot-rank.top1 {
            background: #fef3c7;
            color: #b45309;
        }
        .transfer-hot-item .hot-rank.top2 {
            background: #e8f2f9;
            color: #1a5f8a;
        }
        .transfer-hot-item .hot-rank.top3 {
            background: #fce7f3;
            color: #be185d;
        }
        .transfer-hot-item .hot-info h4 {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin: 0 0 4px;
        }
        .transfer-hot-item .hot-info .hot-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 4px;
        }
        .transfer-hot-item .hot-info .hot-detail {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }
        .transfer-hot-item .hot-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 6px;
        }
        .hot-tag.rumor {
            background: #fef3c7;
            color: #b45309;
        }
        .hot-tag.confirmed {
            background: #d1fae5;
            color: #059669;
        }
        .hot-tag.negotiating {
            background: #ede9fe;
            color: #6d28d9;
        }

        /* ========== COMPARISON TABLE ========== */
        .comparison-block {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--border-light);
        }
        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
        }
        .comparison-table thead th {
            background: var(--primary);
            color: #fff;
            padding: 14px 16px;
            font-weight: 600;
            text-align: center;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
        }
        .comparison-table thead th:first-child {
            text-align: left;
            background: #0f3d5c;
        }
        .comparison-table tbody td {
            padding: 12px 16px;
            text-align: center;
            border-bottom: 1px solid var(--border-light);
            color: var(--text-secondary);
        }
        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--text);
        }
        .comparison-table tbody tr:hover td {
            background: #fafcfd;
        }
        .comparison-table .val-up {
            color: #059669;
            font-weight: 600;
        }
        .comparison-table .val-down {
            color: #dc2626;
            font-weight: 600;
        }
        .comparison-table .val-neutral {
            color: var(--text-secondary);
        }

        /* ========== PLAYER PROFILE ========== */
        .player-profile-grid {
            display: grid;
            grid-template-columns: 1fr 1.5fr;
            gap: 28px;
            align-items: center;
        }
        .player-profile-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .player-profile-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
            aspect-ratio: 4/3;
        }
        .player-profile-info h3 {
            font-weight: 700;
            font-size: 1.4rem;
            color: var(--text);
            margin: 0 0 6px;
        }
        .player-profile-info .player-stats-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            margin: 12px 0;
        }
        .player-stat-mini {
            text-align: center;
            background: var(--bg);
            border-radius: var(--radius);
            padding: 12px 16px;
            min-width: 80px;
        }
        .player-stat-mini .stat-num {
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--primary);
        }
        .player-stat-mini .stat-lbl {
            font-size: 0.75rem;
            color: var(--text-light);
            margin-top: 2px;
        }
        .player-profile-info .player-bio {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 10px 0;
        }

        /* ========== RATING CARDS ========== */
        .rating-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 16px;
        }
        .rating-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            padding: 20px;
            box-shadow: var(--shadow);
            text-align: center;
            border: 1px solid var(--border-light);
            transition: all var(--transition);
        }
        .rating-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .rating-card .rating-score {
            font-size: 3rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -1px;
            line-height: 1;
        }
        .rating-card .rating-stars {
            color: #f59e0b;
            font-size: 1rem;
            margin: 6px 0;
        }
        .rating-card .rating-title {
            font-weight: 700;
            font-size: 1rem;
            color: var(--text);
            margin-bottom: 4px;
        }
        .rating-card .rating-desc {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            margin-bottom: 10px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: all var(--transition);
            letter-spacing: 0.2px;
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question i {
            transition: transform var(--transition);
            color: var(--text-light);
            font-size: 0.8rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            padding: 56px 0;
            background: linear-gradient(135deg, #0f3d5c 0%, #1a5f8a 40%, #1a5f8a 100%);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -40px;
            width: 250px;
            height: 250px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section .container-custom {
            position: relative;
            z-index: 1;
        }
        .cta-inner {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 32px;
            align-items: center;
        }
        .cta-text h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 10px;
            letter-spacing: -0.3px;
            color: #fff;
        }
        .cta-text p {
            font-size: 1rem;
            opacity: 0.9;
            line-height: 1.7;
            margin: 0;
            color: #e0e8f0;
        }
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-lg);
            color: var(--text);
        }
        .cta-form-card h3 {
            font-weight: 700;
            font-size: 1.15rem;
            margin: 0 0 6px;
            color: var(--text);
        }
        .cta-form-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 16px;
        }
        .cta-form-card .form-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }
        .cta-form-card input[type="email"] {
            flex: 1;
            min-width: 180px;
            padding: 11px 16px;
            border: 1px solid var(--border);
            border-radius: 24px;
            font-size: 0.9rem;
            outline: none;
            transition: all var(--transition);
            background: var(--bg);
            color: var(--text);
        }
        .cta-form-card input[type="email"]:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 95, 138, 0.08);
        }
        .cta-form-card .btn-submit {
            padding: 11px 24px;
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            letter-spacing: 0.3px;
        }
        .cta-form-card .btn-submit:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(232, 120, 42, 0.35);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #0f1a2e;
            color: #c5cdd8;
            padding: 40px 0 24px;
            font-size: 0.88rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-bottom: 28px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            margin: 0 0 12px;
            letter-spacing: 0.3px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-col ul li a {
            color: #a0aab4;
            font-size: 0.84rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 18px;
            text-align: center;
            font-size: 0.8rem;
            color: #8895a0;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: #a0aab4;
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-bottom p {
            margin: 0;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .coupon-wall {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: auto auto auto;
                max-width: 700px;
            }
            .coupon-card.featured {
                grid-column: 1 / -1;
                grid-row: 1;
                padding: 26px 20px;
            }
            .coupon-card.featured .coupon-title {
                font-size: 1.2rem;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .transfer-hot-list {
                grid-template-columns: 1fr;
            }
            .rating-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .player-profile-grid {
                grid-template-columns: 1fr;
            }
            .cta-inner {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .nav-links {
                gap: 0;
            }
            .nav-links li a {
                padding: 6px 8px;
                font-size: 0.78rem;
            }
            .nav-search input {
                width: 110px;
            }
            .nav-search input:focus {
                width: 140px;
            }
            .coupon-hero-header h1 {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--surface);
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-md);
                border-bottom: 1px solid var(--border);
                z-index: 999;
                gap: 4px;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                display: block;
                padding: 10px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                gap: 6px;
            }
            .nav-search input {
                width: 100px;
                font-size: 0.8rem;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 0.8rem;
            }
            .coupon-wall {
                grid-template-columns: 1fr;
                grid-template-rows: auto;
                gap: 12px;
                max-width: 400px;
            }
            .coupon-card.featured {
                grid-column: 1;
                grid-row: auto;
            }
            .coupon-hero-header h1 {
                font-size: 1.5rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-card .metric-value {
                font-size: 1.5rem;
            }
            .service-matrix {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .rating-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .comparison-table {
                font-size: 0.75rem;
            }
            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 8px 6px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .cta-text h2 {
                font-size: 1.4rem;
            }
            .coupon-card.featured .coupon-ribbon {
                font-size: 0.7rem;
                padding: 4px 12px 4px 10px;
                top: 10px;
                right: -4px;
            }
        }

        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 8px;
            }
            .coupon-hero {
                padding: 30px 0 36px;
            }
            .coupon-hero-header h1 {
                font-size: 1.3rem;
            }
            .coupon-hero-header .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-claim.featured-btn {
                padding: 10px 22px;
                font-size: 0.9rem;
            }
            .cta-form-card .form-row {
                flex-direction: column;
            }
            .section-header h2 {
                font-size: 1.25rem;
            }
            .player-stat-mini {
                min-width: 60px;
                padding: 8px 10px;
            }
            .player-stat-mini .stat-num {
                font-size: 1rem;
            }
            .rating-card .rating-score {
                font-size: 2.2rem;
            }
        }