/* roulang page: index */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }

        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-list a:hover {
            color: var(--color-primary);
            background: var(--color-surface-alt);
        }

        .nav-list a.active {
            color: var(--color-primary);
            background: var(--color-accent-soft);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 3px;
            animation: pulse-chip 2.2s ease-in-out infinite;
        }

        .nav-chip.live {
            background: #fef2f2;
            color: #dc2626;
            border: 1px solid #fecaca;
        }

        .nav-chip.warmup {
            background: #fffbeb;
            color: #d97706;
            border: 1px solid #fde68a;
        }

        .nav-chip.replay {
            background: #f0fdf4;
            color: #059669;
            border: 1px solid #bbf7d0;
        }

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

        .nav-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            display: inline-block;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        .nav-dot.live {
            background: #dc2626;
        }
        .nav-dot.warmup {
            background: #d97706;
        }
        .nav-dot.replay {
            background: #059669;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.35;
                transform: scale(0.7);
            }
        }

        /* Mobile nav */
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }

        .mobile-toggle:hover {
            background: var(--color-surface-alt);
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #1a1f36 0%, #252d4a 35%, #1e2640 100%);
            color: #fff;
            padding: 60px 0 70px;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -120px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 450px;
            height: 450px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-bg-img {
            position: absolute;
            top: 0;
            right: 0;
            width: 48%;
            height: 100%;
            object-fit: cover;
            opacity: 0.22;
            mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0, 0, 0, 0.9) 0%, rgba(0, 0, 0, 0) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 7px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            color: #fff;
            backdrop-filter: blur(4px);
        }

        .hero-badge i {
            color: var(--color-accent);
            font-size: 0.75rem;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .hero-title .highlight {
            color: var(--color-accent);
            position: relative;
        }

        .hero-desc {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 26px;
            border-radius: 24px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #1a1f36;
            border: 2px solid var(--color-accent);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.30);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(240, 165, 0, 0.40);
            transform: translateY(-2px);
            color: #1a1f36;
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.45);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-lg {
            padding: 15px 32px;
            border-radius: 28px;
            font-size: 1rem;
        }

        .btn-sm {
            padding: 8px 18px;
            border-radius: 18px;
            font-size: 0.85rem;
        }

        /* Section通用 */
        .section {
            padding: var(--section-gap) 0;
        }

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

        .section-dark {
            background: var(--color-surface-dark);
            color: #fff;
        }

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

        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            margin-bottom: 10px;
            background: var(--color-accent-soft);
            padding: 5px 14px;
            border-radius: 14px;
        }

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

        .section-dark .section-title {
            color: #fff;
        }

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

        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* 卖点三连 */
        .selling-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .selling-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

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

        .selling-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }

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

        .selling-card p {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

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

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

        .metric-value {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }

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

        .metric-trend {
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 6px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .metric-trend.up {
            color: var(--color-success);
        }
        .metric-trend.stable {
            color: var(--color-info);
        }

        /* 服务矩阵 */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .service-card .svc-icon {
            font-size: 1.6rem;
            color: var(--color-accent);
        }
        .service-card h4 {
            font-weight: 700;
            font-size: 1.05rem;
        }
        .service-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* 场景演示 */
        .scene-showcase {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .scene-img-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 16/10;
        }
        .scene-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .scene-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 12px;
        }
        .scene-text p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .scene-features {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .scene-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .scene-features li i {
            color: var(--color-success);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* 结果对比 */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-table th {
            background: var(--color-surface-alt);
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.03em;
        }
        .compare-table td {
            color: var(--color-text-soft);
        }
        .compare-table .highlight-cell {
            color: var(--color-accent);
            font-weight: 700;
        }
        .compare-table .check-cell {
            color: var(--color-success);
            font-weight: 700;
        }

        /* 三步上手 */
        .steps-flow {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            position: relative;
        }
        .step-card {
            text-align: center;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 32px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-normal);
        }
        .step-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }
        .step-number {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 1.3rem;
            margin: 0 auto 16px;
        }
        .step-card h4 {
            font-weight: 700;
            margin-bottom: 6px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
        }

        /* 案例证明 */
        .case-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .case-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .case-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .case-card .case-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .case-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent);
            font-size: 1rem;
        }
        .case-card h4 {
            font-weight: 700;
            margin-bottom: 6px;
        }
        .case-card p {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }
        .case-result {
            display: inline-block;
            margin-top: 10px;
            background: #f0fdf4;
            color: #059669;
            padding: 5px 12px;
            border-radius: 14px;
            font-weight: 600;
            font-size: 0.82rem;
        }

        /* 社会认同 */
        .trust-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            text-align: center;
        }
        .trust-item {
            padding: 20px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-normal);
        }
        .trust-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-3px);
        }
        .trust-item .trust-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-accent);
        }
        .trust-item .trust-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* 资讯 */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .news-item:hover {
            background: var(--color-surface-alt);
            margin: 0 -12px;
            padding-left: 12px;
            padding-right: 12px;
            border-radius: var(--radius-sm);
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-light);
            white-space: nowrap;
            font-weight: 500;
            min-width: 70px;
            padding-top: 2px;
        }
        .news-info h5 {
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 3px;
            color: var(--color-text);
        }
        .news-info p {
            font-size: 0.83rem;
            color: var(--color-text-soft);
            line-height: 1.5;
        }
        .news-sidebar {
            background: var(--color-surface-alt);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border-light);
        }
        .news-sidebar h4 {
            font-weight: 700;
            margin-bottom: 14px;
            font-size: 1rem;
        }
        .news-sidebar ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-sidebar ul li {
            font-size: 0.88rem;
            color: var(--color-text-soft);
            padding: 8px 0;
            border-bottom: 1px solid var(--color-border-light);
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-sidebar ul li:hover {
            color: var(--color-accent);
        }
        .news-sidebar ul li i {
            color: var(--color-accent);
            margin-right: 6px;
            font-size: 0.7rem;
        }

        /* 品牌介绍 */
        .brand-intro-card {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 44px 36px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-md);
            max-width: 800px;
            margin: 0 auto;
            text-align: center;
        }
        .brand-intro-card h3 {
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .brand-intro-card p {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.8;
        }

        /* 版本更新 */
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 700px;
            margin: 0 auto;
        }
        .changelog-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            padding: 18px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .changelog-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .changelog-version {
            font-weight: 800;
            color: var(--color-accent);
            white-space: nowrap;
            font-size: 0.9rem;
            min-width: 60px;
            padding-top: 2px;
        }
        .changelog-content h5 {
            font-weight: 600;
            margin-bottom: 3px;
        }
        .changelog-content p {
            font-size: 0.83rem;
            color: var(--color-text-soft);
        }

        /* 议程时间线 */
        .timeline-flow {
            position: relative;
            max-width: 700px;
            margin: 0 auto;
            padding-left: 30px;
            border-left: 3px solid var(--color-border);
        }
        .timeline-node {
            position: relative;
            margin-bottom: 28px;
            padding-left: 24px;
        }
        .timeline-node::before {
            content: '';
            position: absolute;
            left: -39px;
            top: 4px;
            width: 15px;
            height: 15px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--color-accent);
        }
        .timeline-time {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            margin-bottom: 3px;
        }
        .timeline-node h5 {
            font-weight: 700;
            margin-bottom: 3px;
        }
        .timeline-node p {
            font-size: 0.85rem;
            color: var(--color-text-soft);
        }

        /* 节日战役区 */
        .campaign-banner {
            background: linear-gradient(135deg, #ff6b35 0%, #f0a500 50%, #e89500 100%);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            color: #fff;
            text-align: center;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }
        .campaign-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .campaign-banner h3 {
            font-size: 1.8rem;
            font-weight: 900;
            margin-bottom: 8px;
            position: relative;
            z-index: 1;
        }
        .campaign-banner p {
            font-size: 1rem;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
            opacity: 0.9;
        }
        .campaign-banner .btn {
            position: relative;
            z-index: 1;
            background: #fff;
            color: #e89500;
            border: none;
            font-weight: 700;
        }
        .campaign-banner .btn:hover {
            background: #1a1f36;
            color: #fff;
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        /* 奖励预览 */
        .reward-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .reward-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 26px 18px;
            text-align: center;
            border: 2px dashed var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            position: relative;
        }
        .reward-card:hover {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-style: solid;
        }
        .reward-card .reward-icon {
            font-size: 2.4rem;
            margin-bottom: 10px;
        }
        .reward-card h5 {
            font-weight: 700;
            margin-bottom: 4px;
        }
        .reward-card p {
            font-size: 0.8rem;
            color: var(--color-text-soft);
        }
        .reward-badge {
            position: absolute;
            top: -10px;
            right: -10px;
            background: #ef4444;
            color: #fff;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.7rem;
            font-weight: 700;
            animation: pulse-chip 2s ease-in-out infinite;
        }

        /* 异议解答 */
        .objection-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 800px;
            margin: 0 auto;
        }
        .objection-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
        }
        .objection-card:hover {
            box-shadow: var(--shadow-md);
        }
        .objection-card .obj-q {
            font-weight: 700;
            color: #ef4444;
            margin-bottom: 6px;
            font-size: 0.9rem;
        }
        .objection-card .obj-a {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 750px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-normal);
            cursor: pointer;
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-q {
            padding: 18px 22px;
            font-weight: 700;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.95rem;
            user-select: none;
        }
        .faq-q i {
            transition: transform var(--transition-normal);
            color: var(--color-text-light);
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-a {
            padding: 0 22px 18px;
            font-size: 0.88rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* 转化表单 */
        .cta-form-section {
            background: var(--color-surface-dark);
            color: #fff;
            padding: 60px 0;
            text-align: center;
        }
        .cta-form-card {
            max-width: 520px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
        }
        .cta-form-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-form-card p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
        }
        .cta-form-card .form-row {
            display: flex;
            flex-direction: column;
            gap: 14px;
            margin-bottom: 16px;
        }
        .cta-form-card input {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 24px;
            padding: 14px 20px;
            font-size: 0.95rem;
        }
        .cta-form-card input::placeholder {
            color: rgba(255, 255, 255, 0.45);
        }
        .cta-form-card input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.15);
        }
        .cta-form-card .btn {
            width: 100%;
            justify-content: center;
            border-radius: 24px;
            padding: 15px;
            font-size: 1rem;
        }

        /* Footer */
        .site-footer {
            background: #111620;
            color: rgba(255, 255, 255, 0.75);
            padding: 50px 0 30px;
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .logo-link {
            color: #fff;
            margin-bottom: 10px;
            display: inline-flex;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.6;
            font-size: 0.83rem;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 0.9rem;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.83rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .footer-bottom a:hover {
            color: var(--color-accent);
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .selling-grid,
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .trust-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .reward-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .scene-showcase {
                grid-template-columns: 1fr;
            }
            .case-grid {
                grid-template-columns: 1fr;
            }
            .objection-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-bg-img {
                width: 40%;
                opacity: 0.15;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            :root {
                --section-gap: 48px;
            }
        }

        @media (max-width: 768px) {
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
                gap: 2px;
            }
            .nav-list.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .selling-grid,
            .service-grid,
            .metrics-grid,
            .trust-grid,
            .reward-grid,
            .steps-flow {
                grid-template-columns: 1fr 1fr;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-bg-img {
                display: none;
            }
            .hero-section {
                padding: 40px 0 50px;
                min-height: auto;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
            .campaign-banner h3 {
                font-size: 1.3rem;
            }
            .compare-table-wrap {
                font-size: 0.78rem;
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 0.75rem;
            }
        }

        @media (max-width: 520px) {
            .selling-grid,
            .service-grid,
            .metrics-grid,
            .trust-grid,
            .reward-grid,
            .steps-flow {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-cta-row {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-cta-row .btn {
                justify-content: center;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section {
                padding: 28px 0;
            }
            .brand-intro-card {
                padding: 24px 18px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .campaign-banner {
                padding: 24px 18px;
            }
            .timeline-flow {
                padding-left: 20px;
            }
            .timeline-node {
                padding-left: 14px;
            }
            .timeline-node::before {
                left: -28px;
                width: 11px;
                height: 11px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 60px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 44px;
                --nav-height: 60px;
            }
        }
        @media (max-width: 640px) {
            :root {
                --section-gap: 32px;
                --nav-height: 54px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }
        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }
        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .nav-list li {
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            gap: 6px;
            position: relative;
        }
        .nav-list a:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .nav-list a.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .nav-chip.warmup {
            background: #fef3c7;
            color: #b45309;
        }
        .nav-chip.live {
            background: #dcfce7;
            color: #166534;
        }
        .nav-chip.replay {
            background: #e0e7ff;
            color: #3730a3;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }
        .nav-dot.warmup {
            background: #f59e0b;
        }
        .nav-dot.live {
            background: #10b981;
        }
        .nav-dot.replay {
            background: #6366f1;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 6px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-surface-alt);
        }
        @media (max-width: 1024px) {
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 7px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 2px 6px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                justify-content: flex-start;
                padding: 10px 16px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
        }

        /* Section spacing */
        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-tight {
            padding-top: calc(var(--section-gap) * 0.6);
            padding-bottom: calc(var(--section-gap) * 0.6);
        }

        /* Hero */
        .hero-data {
            position: relative;
            background: var(--color-surface-dark);
            color: #fff;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-data .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            opacity: 0.25;
            filter: brightness(0.6);
        }
        .hero-data .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(135deg, rgba(26, 31, 54, 0.92) 0%, rgba(26, 31, 54, 0.7) 50%, rgba(45, 53, 88, 0.6) 100%);
        }
        .hero-data .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            padding: 60px 0;
        }

        /* Badge pills */
        .badge-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: rgba(240, 165, 0, 0.18);
            color: #fbbf24;
            border: 1px solid rgba(240, 165, 0, 0.3);
            white-space: nowrap;
        }
        .badge-pill i {
            font-size: 0.75rem;
        }

        /* Benefit cards */
        .benefit-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            transition: all var(--transition-normal);
            display: flex;
            align-items: flex-start;
            gap: 14px;
        }
        .benefit-card:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(240, 165, 0, 0.4);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .benefit-card .benefit-icon {
            width: 44px;
            height: 44px;
            border-radius: var(--radius-sm);
            background: rgba(240, 165, 0, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.2rem;
            color: #fbbf24;
        }

        /* Metric card */
        .metric-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .metric-card .metric-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
            font-weight: 500;
        }
        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }
        .metric-trend.up {
            background: #dcfce7;
            color: #166534;
        }
        .metric-trend.down {
            background: #fef2f2;
            color: #991b1b;
        }
        .metric-card .metric-accent-bar {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-accent);
            border-radius: 0;
        }

        /* Service matrix card */
        .service-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--color-accent);
            transform: translateY(-3px);
        }
        .service-card .service-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-bottom: 18px;
            aspect-ratio: 16 / 10;
            background: var(--color-surface-alt);
        }
        .service-card .service-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .service-card:hover .service-img-wrap img {
            transform: scale(1.04);
        }
        .service-card h4 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-primary);
        }
        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            flex-grow: 1;
        }

        /* Compare table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            background: var(--color-surface);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
            font-size: 0.9rem;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-table th {
            background: var(--color-surface-alt);
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .highlight-col {
            background: var(--color-accent-soft);
            font-weight: 600;
        }
        .compare-check {
            color: var(--color-success);
            font-weight: 700;
        }
        .compare-dash {
            color: var(--color-text-light);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            background: var(--color-surface);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            cursor: pointer;
            border: none;
            transition: all var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-text-light);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.75;
        }

        /* CTA form */
        .cta-form-card {
            background: var(--color-surface-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-form-card .cta-form-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.2;
            filter: brightness(0.5);
        }
        .cta-form-card .cta-form-content {
            position: relative;
            z-index: 1;
        }
        .cta-form-card input {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.25);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 14px 18px;
            font-size: 0.95rem;
        }
        .cta-form-card input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-form-card input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.2);
            background: rgba(255, 255, 255, 0.15);
        }
        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            background: var(--color-accent);
            color: #1a1f36;
            font-weight: 700;
            border-radius: 25px;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: none;
            white-space: nowrap;
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.35);
            color: #1a1f36;
        }
        .btn-accent-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            border-radius: 25px;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            cursor: pointer;
            transition: all var(--transition-normal);
            border: 2px solid rgba(255, 255, 255, 0.5);
            white-space: nowrap;
        }
        .btn-accent-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* Trust bar */
        .trust-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 32px;
            padding: 20px 0;
            opacity: 0.7;
            font-size: 0.85rem;
            color: var(--color-text-light);
            font-weight: 500;
        }
        .trust-bar span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .trust-bar i {
            color: var(--color-success);
            font-size: 0.8rem;
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: #c5c8d4;
            padding: 48px 0 28px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .site-footer .footer-brand p {
            margin: 10px 0 0;
            font-size: 0.85rem;
            color: #9a9eb0;
            line-height: 1.7;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 6px;
        }
        .site-footer ul li a {
            color: #9a9eb0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.8rem;
            color: #8b8fa3;
        }
        .site-footer .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .site-footer .footer-links-row a {
            color: #8b8fa3;
            font-size: 0.8rem;
        }
        .site-footer .footer-links-row a:hover {
            color: #fff;
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .site-footer .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links-row {
                justify-content: center;
            }
        }

        /* Section title */
        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin: 0 0 8px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-soft);
            margin: 0 0 32px;
            max-width: 600px;
        }
        @media (max-width: 640px) {
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.9rem;
                margin-bottom: 20px;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        @media (max-width:1024px) {
            :root {
                --section-gap: 48px;
            }
        }
        @media (max-width:768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }
        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .nav-list a:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .nav-list a.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .nav-chip.warmup {
            background: #fff7e6;
            color: #e89500;
        }
        .nav-chip.live {
            background: #e6f9f0;
            color: #0d9e6c;
        }
        .nav-chip.replay {
            background: #eef0f5;
            color: #5a6072;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
        }
        .nav-dot.warmup {
            background: #f0a500;
        }
        .nav-dot.live {
            background: #10b981;
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        .nav-dot.replay {
            background: #8b8fa3;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        /* Mobile Nav */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .mobile-menu-btn:hover {
            background: var(--color-surface-alt);
        }

        @media (max-width:1024px) {
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 7px 10px;
                font-size: 0.82rem;
                border-radius: 16px;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 2px 6px;
            }
        }
        @media (max-width:768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
                justify-content: space-between;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-link {
                font-size: 1.15rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
        }

        /* Section spacing */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-alt {
            background: var(--color-surface-alt);
        }
        .section-dark {
            background: var(--color-surface-dark);
            color: #fff;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 165, 0, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.4);
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-accent);
            color: var(--color-accent);
        }
        .btn-outline:hover {
            background: var(--color-accent);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .btn-white:hover {
            background: #fff;
            color: var(--color-accent);
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-accent-border {
            border-left: 4px solid var(--color-accent);
        }

        /* Badge / Tag */
        .badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 16px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .badge-success {
            background: #e6f9f0;
            color: #0d9e6c;
        }
        .badge-info {
            background: #e8f0fe;
            color: #2563eb;
        }

        /* Hero */
        .hero-strategy {
            position: relative;
            background: linear-gradient(160deg, #1a1f36 0%, #2d3558 40%, #1a1f36 100%);
            color: #fff;
            overflow: hidden;
            padding: 60px 0 50px;
        }
        .hero-strategy::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .hero-strategy .container {
            position: relative;
            z-index: 1;
        }
        .flash-sale-bar {
            display: flex;
            align-items: center;
            gap: 16px;
            background: rgba(240, 165, 0, 0.15);
            border: 1px solid rgba(240, 165, 0, 0.35);
            border-radius: var(--radius-lg);
            padding: 14px 24px;
            margin-bottom: 32px;
            flex-wrap: wrap;
            backdrop-filter: blur(4px);
        }
        .flash-sale-bar .flash-icon {
            font-size: 1.5rem;
            animation: flash-pulse 0.8s ease-in-out infinite;
        }
        @keyframes flash-pulse {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.25);
            }
        }
        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .countdown-unit {
            background: #fff;
            color: #1a1f36;
            font-weight: 800;
            font-size: 1.3rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            min-width: 40px;
            text-align: center;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }
        .countdown-sep {
            font-weight: 700;
            font-size: 1.2rem;
            color: #f0a500;
        }

        /* Stat card */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* Comparison table */
        .compare-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            background: #fff;
            box-shadow: var(--shadow-sm);
        }
        .compare-card .compare-header {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 1rem;
            text-align: center;
        }
        .compare-card.before .compare-header {
            background: #fef2f2;
            color: #dc2626;
        }
        .compare-card.after .compare-header {
            background: #e6f9f0;
            color: #0d9e6c;
        }
        .compare-card .compare-body {
            padding: 20px;
        }
        .compare-row {
            display: flex;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
            font-size: 0.9rem;
        }
        .compare-row:last-child {
            border-bottom: none;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 1.05rem;
            gap: 16px;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 600px;
            padding-top: 14px;
        }
        .faq-arrow {
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            color: var(--color-text-light);
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        /* CTA Form */
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-xl);
            border: 1px solid var(--color-border-light);
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: #c5c8d4;
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }
        .site-footer a {
            color: #c5c8d4;
            transition: color var(--transition-fast);
        }
        .site-footer a:hover {
            color: var(--color-accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            margin-top: 12px;
            color: #a0a4b4;
            font-size: 0.85rem;
            line-height: 1.7;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 6px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #8b8fa3;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }
        .footer-links-row a {
            color: #8b8fa3;
        }
        .footer-links-row a:hover {
            color: var(--color-accent);
        }

        @media (max-width:1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1/-1;
            }
        }
        @media (max-width:768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
            .hero-strategy {
                padding: 40px 0 32px;
            }
            .flash-sale-bar {
                flex-direction: column;
                text-align: center;
                gap: 10px;
                padding: 12px 16px;
            }
            .countdown-unit {
                font-size: 1.1rem;
                padding: 4px 8px;
                min-width: 32px;
            }
            .stat-value {
                font-size: 1.6rem;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
        }
        @media (max-width:520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .card {
                padding: 18px 14px;
            }
            .compare-row {
                font-size: 0.8rem;
                flex-direction: column;
                gap: 2px;
            }
            .nav-list a {
                font-size: 0.85rem;
                padding: 10px 12px;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input,
        textarea,
        select {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }
        input:focus,
        textarea:focus,
        select:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: 20px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }
        .nav-list a:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .nav-list a.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            padding: 2px 8px;
            border-radius: 10px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.4;
        }
        .nav-chip.warmup {
            background: #fef3c7;
            color: #d97706;
        }
        .nav-chip.live {
            background: #d1fae5;
            color: #059669;
        }
        .nav-chip.replay {
            background: #e0e7ff;
            color: #4f46e5;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-dot.warmup {
            background: #d97706;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        .nav-dot.live {
            background: #10b981;
            animation: pulse-dot 1.2s ease-in-out infinite;
        }
        .nav-dot.replay {
            background: #4f46e5;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-menu-btn:hover {
            background: var(--color-surface-alt);
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 6px 10px;
                font-size: 0.8rem;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 1px 6px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                gap: 0;
                padding: 12px 16px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
                z-index: 99;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
                justify-content: flex-start;
            }
            .nav-chip {
                font-size: 0.7rem;
            }
        }

        /* Section spacing */
        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-sm {
            padding-top: calc(var(--section-gap) * 0.6);
            padding-bottom: calc(var(--section-gap) * 0.6);
        }

        /* Hero */
        .hero-dark {
            background: var(--color-surface-dark);
            color: #fff;
            position: relative;
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-dark .hero-bg-img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.18;
            pointer-events: none;
        }
        .hero-dark .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 31, 54, 0.92) 0%, rgba(26, 31, 54, 0.78) 40%, rgba(26, 31, 54, 0.65) 100%);
            pointer-events: none;
        }
        .hero-dark .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-dark .hero-left h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 16px;
            letter-spacing: -0.02em;
            color: #fff;
        }
        .hero-dark .hero-left .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.65;
            margin: 0 0 28px;
            max-width: 480px;
        }
        .hero-dark .hero-right {
            display: flex;
            justify-content: flex-end;
        }
        .faux-leaderboard {
            background: rgba(255, 255, 255, 0.07);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.14);
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            width: 100%;
            max-width: 420px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }
        .faux-leaderboard h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.9);
            margin: 0 0 16px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
        }
        .faux-leaderboard .lb-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.85);
        }
        .faux-leaderboard .lb-row:last-child {
            border-bottom: none;
        }
        .faux-leaderboard .lb-rank {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
        }
        .lb-rank.gold {
            background: #f0a500;
            color: #1a1f36;
        }
        .lb-rank.silver {
            background: #b0b8c8;
            color: #1a1f36;
        }
        .lb-rank.bronze {
            background: #c4956a;
            color: #1a1f36;
        }
        .lb-rank.normal {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
        }
        .faux-leaderboard .lb-name {
            flex: 1;
            font-weight: 500;
        }
        .faux-leaderboard .lb-value {
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.95rem;
        }

        @media (max-width: 768px) {
            .hero-dark {
                min-height: auto;
                padding: 48px 0;
            }
            .hero-dark .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-dark .hero-left h1 {
                font-size: 1.9rem;
            }
            .hero-dark .hero-left .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-dark .hero-right {
                justify-content: center;
            }
            .faux-leaderboard {
                max-width: 100%;
            }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-normal);
            cursor: pointer;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-accent {
            background: var(--color-accent);
            color: #1a1f36;
            border: 2px solid var(--color-accent);
        }
        .btn-accent:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
            color: #1a1f36;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-border);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 22px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        /* Cards */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 28px;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-accent-top {
            border-top: 4px solid var(--color-accent);
        }
        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.amber {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .card-icon.blue {
            background: #eff6ff;
            color: #3b82f6;
        }
        .card-icon.green {
            background: #ecfdf5;
            color: #10b981;
        }
        .card-icon.purple {
            background: #f5f3ff;
            color: #7c3aed;
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-text);
        }
        .card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* Badge / Tag */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-accent {
            background: var(--color-accent-soft);
            color: #b87a00;
        }
        .badge-success {
            background: #ecfdf5;
            color: #059669;
        }
        .badge-info {
            background: #eff6ff;
            color: #2563eb;
        }

        /* Metric cards */
        .metric-card {
            text-align: center;
            padding: 28px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .metric-value {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1;
            margin-bottom: 6px;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            font-weight: 500;
        }

        /* Comparison table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.9rem;
            min-width: 600px;
        }
        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-table th {
            background: var(--color-surface-alt);
            font-weight: 700;
            color: var(--color-text);
            font-size: 0.85rem;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .compare-table td {
            color: var(--color-text-soft);
        }
        .compare-table .highlight-cell {
            color: var(--color-success);
            font-weight: 700;
        }
        .compare-table .improve-badge {
            display: inline-block;
            background: #ecfdf5;
            color: #059669;
            padding: 3px 10px;
            border-radius: 10px;
            font-weight: 600;
            font-size: 0.8rem;
        }

        /* Testimonial */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 28px;
            position: relative;
        }
        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 4rem;
            color: var(--color-accent-soft);
            line-height: 1;
            font-weight: 800;
            pointer-events: none;
        }
        .testimonial-card .quote {
            font-size: 0.95rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin: 0 0 16px;
            padding-top: 16px;
            position: relative;
            z-index: 1;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .testimonial-card .author-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-accent);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-card .author-name {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-text);
        }
        .testimonial-card .author-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
            background: var(--color-surface);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            padding: 18px 22px;
            background: none;
            text-align: left;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            border: none;
            outline: none;
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-normal);
            color: var(--color-text-light);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            margin: 0;
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-surface-dark);
            color: #fff;
            text-align: center;
            border-radius: var(--radius-xl);
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin: 0 0 12px;
            color: #fff;
            letter-spacing: -0.01em;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.75);
            margin: 0 0 28px;
            position: relative;
            z-index: 1;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn {
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
        }
        .footer-brand p {
            margin: 12px 0 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.6;
        }
        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-links-row a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.8rem;
        }
        .footer-links-row a:hover {
            color: #fff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
            .cta-section {
                padding: 40px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .metric-value {
                font-size: 1.8rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }
        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            gap: 6px;
        }
        .nav-list a:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .nav-list a.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }
        .nav-list a.active:hover {
            background: var(--color-accent-hover);
            color: #fff;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 12px;
            font-weight: 600;
            letter-spacing: 0.02em;
            line-height: 1.2;
            flex-shrink: 0;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .nav-chip.warmup {
            background: #fef3c7;
            color: #b45309;
        }
        .nav-dot.warmup {
            background: #f59e0b;
            animation: pulse-dot 1.4s ease-in-out infinite;
        }
        .nav-chip.live {
            background: #d1fae5;
            color: #065f46;
        }
        .nav-dot.live {
            background: #10b981;
            animation: pulse-dot 0.8s ease-in-out infinite;
        }
        .nav-chip.replay {
            background: #e0e7ff;
            color: #3730a3;
        }
        .nav-dot.replay {
            background: #6366f1;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.35;
            }
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }
        .mobile-menu-btn:hover {
            background: var(--color-surface-alt);
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 6px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 2px 6px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-btn {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border-light);
                box-shadow: var(--shadow-lg);
                z-index: 99;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 10px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
                justify-content: flex-start;
            }
            .header-inner {
                gap: 12px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
        }

        /* Section base */
        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-alt {
            background: var(--color-surface-alt);
        }
        .section-dark {
            background: var(--color-surface-dark);
            color: #fff;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 640px;
            line-height: 1.6;
        }
        .section-dark .section-subtitle {
            color: #c5c8d6;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 165, 0, 0.3);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.4);
            transform: translateY(-1px);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-border);
            color: var(--color-text);
        }
        .btn-outline:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }
        .btn-white {
            background: #fff;
            color: var(--color-primary);
            font-weight: 700;
        }
        .btn-white:hover {
            background: #f0f0f0;
            color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: var(--shadow-lg);
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.accent {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .card-icon.info {
            background: #eff6ff;
            color: #3b82f6;
        }
        .card-icon.success {
            background: #ecfdf5;
            color: #10b981;
        }
        .card-icon.warning {
            background: #fffbeb;
            color: #f59e0b;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.35;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            line-height: 1.6;
        }

        /* Stat cards */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 28px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-number {
            font-size: 2.6rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--color-accent);
            line-height: 1.1;
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-question {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            line-height: 1.4;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 14px;
        }
        .faq-icon {
            transition: transform var(--transition-normal);
            flex-shrink: 0;
            color: var(--color-text-light);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
            color: var(--color-accent);
        }

        /* Footer */
        .site-footer {
            background: #121624;
            color: #c5c8d6;
            padding: 56px 0 32px;
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand p {
            margin-top: 12px;
            font-size: 0.85rem;
            color: #9ca0b0;
            line-height: 1.7;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.01em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #9ca0b0;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: #7a7f90;
        }
        .site-footer .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .site-footer .footer-links-row a {
            color: #7a7f90;
            font-size: 0.8rem;
        }
        .site-footer .footer-links-row a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .site-footer .footer-links-row {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Hero search */
        .hero-search-wrap {
            max-width: 620px;
            margin: 0 auto;
            position: relative;
        }
        .hero-search-wrap input {
            padding: 16px 56px 16px 22px;
            border-radius: 40px;
            font-size: 1rem;
            border: 2px solid rgba(255, 255, 255, 0.3);
            background: rgba(255, 255, 255, 0.95);
            box-shadow: var(--shadow-lg);
            width: 100%;
        }
        .hero-search-wrap input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 6px rgba(240, 165, 0, 0.12);
        }
        .hero-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            background: var(--color-accent);
            color: #fff;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            transition: all var(--transition-normal);
            cursor: pointer;
            border: none;
        }
        .hero-search-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(240, 165, 0, 0.4);
        }

        /* Category chips */
        .cat-chip {
            display: inline-flex;
            align-items: center;
            padding: 10px 20px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
            text-decoration: none;
        }
        .cat-chip:hover {
            background: rgba(255, 255, 255, 0.28);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-1px);
        }
        .cat-chip i {
            margin-right: 6px;
            font-size: 0.85rem;
        }

        /* Compare table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            font-size: 0.9rem;
        }
        .compare-table th {
            background: var(--color-surface-dark);
            color: #fff;
            padding: 16px 20px;
            text-align: center;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.02em;
        }
        .compare-table td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
            background: #fff;
        }
        .compare-table tr:hover td {
            background: var(--color-accent-soft);
        }
        .compare-table .highlight-col {
            background: #fffdf5;
            font-weight: 600;
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .compare-table .dash-icon {
            color: var(--color-text-light);
        }

        /* Overlay bg */
        .overlay-bg {
            position: relative;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .overlay-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(26, 31, 54, 0.78);
            z-index: 0;
        }
        .overlay-bg>* {
            position: relative;
            z-index: 1;
        }

        /* Badge */
        .badge {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-hot {
            background: #fef2f2;
            color: #dc2626;
        }
        .badge-new {
            background: #ecfdf5;
            color: #059669;
        }
        .badge-popular {
            background: #fffbeb;
            color: #d97706;
        }

        /* Tag list */
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 18px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--color-surface-alt);
            color: var(--color-text-soft);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .tag:hover {
            background: var(--color-accent-soft);
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }

        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-list a:hover {
            color: var(--color-primary);
            background: var(--color-surface-alt);
        }
        .nav-list a.active {
            color: var(--color-primary);
            background: var(--color-accent-soft);
            font-weight: 600;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 12px;
            letter-spacing: 0.02em;
        }
        .nav-chip.warmup {
            background: #fef3c7;
            color: #b45309;
        }
        .nav-chip.live {
            background: #dcfce7;
            color: #15803d;
        }
        .nav-chip.replay {
            background: #e0e7ff;
            color: #3730a3;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-dot.warmup {
            background: #f59e0b;
            animation: pulse-dot 1.5s infinite;
        }
        .nav-dot.live {
            background: #10b981;
            animation: pulse-dot 1s infinite;
        }
        .nav-dot.replay {
            background: #6366f1;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.4;
            }
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-surface-alt);
        }

        /* Hero斜向错位 */
        .hero-skew-wrapper {
            position: relative;
            overflow: hidden;
        }
        .hero-image-skew {
            clip-path: polygon(8% 0%, 100% 0%, 100% 100%, 0% 100%);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transform: translateY(-12px);
        }
        @media (max-width: 768px) {
            .hero-image-skew {
                clip-path: none;
                transform: none;
                border-radius: var(--radius-md);
            }
        }

        /* 指标卡片 */
        .metric-card {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-normal);
            box-shadow: var(--shadow-sm);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .metric-value {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* 步骤时间线 */
        .step-timeline {
            position: relative;
            padding-left: 40px;
        }
        .step-timeline::before {
            content: '';
            position: absolute;
            left: 18px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            border-radius: 1px;
        }
        .step-item {
            position: relative;
            margin-bottom: 32px;
            padding-left: 20px;
        }
        .step-item::before {
            content: '';
            position: absolute;
            left: -22px;
            top: 6px;
            width: 14px;
            height: 14px;
            background: var(--color-accent);
            border-radius: 50%;
            border: 3px solid var(--color-surface);
            box-shadow: 0 0 0 3px var(--color-accent-soft);
            z-index: 2;
        }
        .step-number {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--color-accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        /* 对比卡片 */
        .compare-card {
            border-radius: var(--radius-lg);
            padding: 28px;
            position: relative;
            transition: all var(--transition-normal);
        }
        .compare-card.before {
            background: #fef2f2;
            border: 1.5px solid #fecaca;
        }
        .compare-card.after {
            background: #f0fdf4;
            border: 1.5px solid #bbf7d0;
        }
        .compare-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.02em;
        }
        .compare-badge.before {
            background: #fee2e2;
            color: #991b1b;
        }
        .compare-badge.after {
            background: #dcfce7;
            color: #166534;
        }

        /* FAQ */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-normal);
            background: var(--color-surface);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
            color: var(--color-text);
        }
        .faq-question:hover {
            background: var(--color-surface-alt);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--color-text-soft);
            line-height: 1.75;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-icon {
            font-size: 1.2rem;
            color: var(--color-accent);
            transition: transform var(--transition-normal);
            flex-shrink: 0;
        }

        /* CTA表单区 */
        .cta-section {
            background: linear-gradient(160deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 220px;
            height: 220px;
            background: rgba(240, 165, 0, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: #c5c8d4;
            padding: 56px 0 28px;
            margin-top: var(--section-gap);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: #9ca0b0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            margin-top: 12px;
            color: #9ca0b0;
            max-width: 320px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: #7a7f92;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-links-row a {
            color: #9ca0b0;
            font-size: 0.8rem;
        }
        .footer-links-row a:hover {
            color: var(--color-accent);
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-list a {
                padding: 6px 10px;
                font-size: 0.82rem;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 2px 6px;
            }
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--color-border-light);
                padding: 16px;
                box-shadow: var(--shadow-lg);
                gap: 2px;
            }
            .nav-list.open {
                display: flex;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-inner {
                gap: 12px;
            }
            .metric-value {
                font-size: 2rem;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .hero-image-skew {
                clip-path: none;
                transform: none;
                border-radius: var(--radius-md);
                margin-top: 16px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
            .logo-link {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .metric-value {
                font-size: 1.7rem;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }
        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }
        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }
        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }
        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            gap: 6px;
        }
        .nav-list a:hover {
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .nav-list a.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
        }
        .nav-list a.active:hover {
            background: var(--color-accent-hover);
            color: #fff;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 12px;
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .nav-chip.warmup {
            background: #fef3c7;
            color: #b45309;
        }
        .nav-chip.live {
            background: #dcfce7;
            color: #15803d;
            animation: livePulse 2s ease-in-out infinite;
        }
        .nav-chip.replay {
            background: #e0e7ff;
            color: #3730a3;
        }
        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-dot.warmup {
            background: #f59e0b;
        }
        .nav-dot.live {
            background: #10b981;
        }
        .nav-dot.replay {
            background: #6366f1;
        }
        @keyframes livePulse {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.6;
            }
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--color-surface-alt);
        }
        @media (max-width: 920px) {
            .nav-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav-list a.active {
                border-radius: var(--radius-sm);
            }
        }

        /* Section spacing */
        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section-sm {
            padding-top: 40px;
            padding-bottom: 40px;
        }
        .section-lg {
            padding-top: 90px;
            padding-bottom: 90px;
        }

        /* Hero */
        .hero-tools {
            background: linear-gradient(180deg, #fafbfd 0%, #f0f2f7 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-tools::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-tools::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(45, 53, 88, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .whitepaper-cover {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-xl);
            aspect-ratio: 3/4;
            max-width: 380px;
            width: 100%;
            background: #fff;
            border: 1px solid var(--color-border-light);
        }
        .whitepaper-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .whitepaper-cover .cover-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            background: linear-gradient(transparent, rgba(26, 31, 54, 0.85));
            padding: 28px 20px 18px;
            color: #fff;
        }
        .whitepaper-cover .cover-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            box-shadow: 0 4px 12px rgba(240, 165, 0, 0.35);
        }
        .download-form-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            padding: 13px 28px;
            border-radius: 28px;
            font-size: 1rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            box-shadow: 0 4px 14px rgba(240, 165, 0, 0.30);
            cursor: pointer;
            border: none;
            white-space: nowrap;
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 22px rgba(240, 165, 0, 0.40);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--color-surface);
            color: var(--color-text);
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 28px;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-normal);
            border: 1.5px solid var(--color-border);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 30px;
        }

        /* Stat cards */
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-accent);
        }
        .stat-card .stat-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
            background: var(--color-accent-soft);
            color: var(--color-accent);
        }
        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.02em;
            line-height: 1.1;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin-top: 6px;
        }

        /* Tool cards */
        .tool-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .tool-card .tool-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .tool-card .tool-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .tool-card:hover .tool-card-img img {
            transform: scale(1.05);
        }
        .tool-card .tool-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .tool-card .tool-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            margin-bottom: 10px;
            width: fit-content;
        }
        .tool-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--color-primary);
        }
        .tool-card p {
            font-size: 0.9rem;
            color: var(--color-text-soft);
            margin: 0 0 16px;
            flex: 1;
            line-height: 1.6;
        }
        .tool-card .tool-card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }
        .tool-card .tool-card-link:hover {
            gap: 10px;
            color: var(--color-accent-hover);
        }

        /* Compare table */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            min-width: 600px;
        }
        .compare-table thead th {
            background: var(--color-surface-dark);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            text-align: center;
            letter-spacing: 0.02em;
        }
        .compare-table thead th:first-child {
            text-align: left;
            border-radius: 0;
        }
        .compare-table thead th:last-child {
            background: var(--color-accent);
            border-radius: 0;
        }
        .compare-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--color-border-light);
            text-align: center;
            font-size: 0.9rem;
            color: var(--color-text-soft);
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-text);
        }
        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .compare-table .cross-icon {
            color: var(--color-text-light);
        }
        .compare-table .highlight-col {
            background: #fffdf5;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            padding: 20px 0;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .faq-item:first-child {
            border-top: 1px solid var(--color-border-light);
        }
        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--color-primary);
        }
        .faq-item .faq-icon {
            flex-shrink: 0;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-accent);
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-accent);
            color: #fff;
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 12px;
        }

        /* CTA section */
        .cta-section {
            background: var(--color-surface-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(240, 165, 0, 0.2) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-form-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-xl);
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: #c5c8d2;
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .site-footer h5 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin: 0 0 16px;
            letter-spacing: 0.02em;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: #c5c8d2;
            transition: color var(--transition-fast);
            font-size: 0.88rem;
        }
        .site-footer ul li a:hover {
            color: var(--color-accent);
        }
        .site-footer .footer-brand p {
            margin: 12px 0 0;
            line-height: 1.6;
            font-size: 0.85rem;
            color: #a0a4b0;
            max-width: 280px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: #8b8fa3;
        }
        .site-footer .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .site-footer .footer-links-row a {
            color: #8b8fa3;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links-row a:hover {
            color: var(--color-accent);
        }
        @media (max-width: 768px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .site-footer .footer-links-row {
                justify-content: center;
            }
        }
        @media (max-width: 520px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* Testimonial */
        .testimonial-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent);
        }
        .testimonial-card .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.9rem;
            margin-bottom: 8px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.92rem;
            color: var(--color-text-soft);
            line-height: 1.7;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
        }
        .testimonial-card .testimonial-role {
            font-size: 0.78rem;
            color: var(--color-text-light);
        }

        /* Section title */
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin: 0 0 10px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            margin: 0;
            max-width: 640px;
        }
        .section-title-sm {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            margin: 0 0 8px;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 1.5rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Badge */
        .badge-accent {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }

        /* Divider */
        .divider {
            border: 0;
            height: 1px;
            background: var(--color-border-light);
            margin: 0;
        }

        /* Responsive */
        @media (max-width: 768px) {
            .hero-tools .whitepaper-cover {
                max-width: 240px;
                margin: 0 auto;
            }
            .download-form-card {
                padding: 20px;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .cta-form-card {
                padding: 24px 20px;
            }
        }

/* roulang page: category7 */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #2d3558;
            --color-accent: #f0a500;
            --color-accent-hover: #e89500;
            --color-accent-soft: #fff7e6;
            --color-accent-deep: #c47a00;
            --color-surface: #ffffff;
            --color-surface-alt: #f8f9fb;
            --color-surface-dark: #1a1f36;
            --color-surface-mid: #eef0f5;
            --color-text: #1a1f36;
            --color-text-soft: #5a6072;
            --color-text-light: #8b8fa3;
            --color-border: #e5e7ed;
            --color-border-light: #f0f1f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --color-vip-gold: #d4a017;
            --color-vip-gold-light: #fdf3d0;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.05), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.07), 0 2px 6px rgba(0, 0, 0, 0.05);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.06);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.07);
            --shadow-gold: 0 8px 28px rgba(212, 160, 23, 0.22), 0 3px 10px rgba(212, 160, 23, 0.10);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --max-width: 1260px;
            --nav-height: 68px;
            --section-gap: 72px;
        }

        @media (max-width: 1024px) {
            :root {
                --section-gap: 48px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height: 58px;
            }
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-surface);
            color: var(--color-text);
            line-height: 1.7;
            letter-spacing: 0.01em;
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

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

        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            outline: none;
            transition: all var(--transition-normal);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 3px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
            outline: none;
            border: 1.5px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            background: var(--color-surface);
        }

        input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(240, 165, 0, 0.10);
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--color-border-light);
            height: var(--nav-height);
            transition: box-shadow var(--transition-normal);
        }

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

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            gap: 20px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.01em;
            color: var(--color-primary);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .logo-link:hover {
            color: var(--color-primary);
            opacity: 0.85;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #e68a00);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 900;
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            flex-wrap: wrap;
            margin: 0;
            padding: 0;
        }

        .nav-list a {
            display: inline-flex;
            align-items: center;
            padding: 8px 15px;
            border-radius: 20px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-soft);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
        }

        .nav-list a:hover {
            color: var(--color-accent);
            background: var(--color-accent-soft);
        }

        .nav-list a.active {
            color: var(--color-accent);
            background: var(--color-accent-soft);
            font-weight: 600;
        }

        .nav-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 12px;
            margin-left: 6px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .nav-chip.warmup {
            background: #fef3c7;
            color: #b45309;
        }

        .nav-chip.live {
            background: #fce7f3;
            color: #9d174d;
        }

        .nav-chip.replay {
            background: #e0e7ff;
            color: #3730a3;
        }

        .nav-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-dot.warmup {
            background: #f59e0b;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        .nav-dot.live {
            background: #ec4899;
            animation: pulse-dot 0.8s ease-in-out infinite;
        }

        .nav-dot.replay {
            background: #6366f1;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.6);
            }
        }

        /* Mobile nav */
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 2px;
            }
            .nav-list a {
                padding: 6px 10px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .nav-chip {
                font-size: 0.65rem;
                padding: 2px 6px;
                margin-left: 3px;
            }
            .logo-link {
                font-size: 1.15rem;
                gap: 7px;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
                flex-shrink: 0;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                box-shadow: var(--shadow-lg);
                z-index: 99;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list a {
                width: 100%;
                padding: 10px 14px;
                border-radius: var(--radius-sm);
                font-size: 0.9rem;
            }
            .header-inner {
                gap: 10px;
            }
        }

        /* Section spacing */
        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

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

        .section-dark {
            background: var(--color-surface-dark);
            color: #fff;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.01em;
            transition: all var(--transition-normal);
            white-space: nowrap;
            cursor: pointer;
            text-decoration: none;
        }

        .btn-primary {
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(240, 165, 0, 0.30);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            box-shadow: 0 8px 24px rgba(240, 165, 0, 0.38);
            transform: translateY(-2px);
        }

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

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

        .btn-white {
            background: #fff;
            color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .btn-white:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
            color: var(--color-primary);
        }

        .btn-lg {
            padding: 16px 32px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        .btn-vip {
            background: linear-gradient(135deg, #d4a017, #c47a00);
            color: #fff;
            box-shadow: var(--shadow-gold);
            border: 2px solid transparent;
        }

        .btn-vip:hover {
            background: linear-gradient(135deg, #c47a00, #a86500);
            color: #fff;
            box-shadow: 0 12px 32px rgba(212, 160, 23, 0.35);
            transform: translateY(-2px);
        }

        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
            overflow: hidden;
        }

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

        .card-vip {
            border: 2px solid var(--color-vip-gold);
            background: linear-gradient(180deg, #fffef9 0%, #ffffff 100%);
            position: relative;
        }

        .card-vip::before {
            content: 'VIP';
            position: absolute;
            top: 14px;
            right: 14px;
            background: linear-gradient(135deg, #d4a017, #c47a00);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.06em;
            z-index: 2;
        }

        /* Badge / Tag */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .badge-gold {
            background: var(--color-vip-gold-light);
            color: #8b6914;
        }

        .badge-accent {
            background: var(--color-accent-soft);
            color: #b8600a;
        }

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

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

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

        .faq-question i {
            transition: transform var(--transition-normal);
            color: var(--color-accent);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-normal);
            color: var(--color-text-soft);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding-top: 10px;
        }

        /* Footer */
        .site-footer {
            background: var(--color-surface-dark);
            color: #c5c8d4;
            padding: 56px 0 28px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }

        .footer-brand p {
            margin-top: 12px;
            font-size: 0.85rem;
            color: #9a9eb0;
            line-height: 1.75;
        }

        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

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

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

        .footer-col ul li a {
            color: #c5c8d4;
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
            color: #9a9eb0;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            align-items: center;
        }

        .footer-links-row a {
            color: #c5c8d4;
            font-size: 0.8rem;
        }

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

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
            .footer-links-row {
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Section titles */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--color-text);
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-soft);
            max-width: 620px;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* Metric cards */
        .metric-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
        }

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

        .metric-value {
            font-size: 2.4rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            color: var(--color-primary);
            line-height: 1.1;
        }

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

        .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 4px;
        }

        .metric-change.up {
            color: var(--color-success);
        }

        /* Comparison table */
        .compare-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

        .compare-table th,
        .compare-table td {
            padding: 14px 18px;
            text-align: center;
            font-size: 0.9rem;
        }

        .compare-table th {
            background: var(--color-surface-alt);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            color: var(--color-text);
        }

        .compare-table td {
            border-top: 1px solid var(--color-border-light);
            color: var(--color-text-soft);
        }

        .compare-table .highlight-col {
            background: #fffef9;
            font-weight: 600;
            color: var(--color-text);
        }

        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }

        .compare-table .cross-icon {
            color: #d1d5db;
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .compare-table th,
            .compare-table td {
                padding: 10px 8px;
                font-size: 0.78rem;
            }
        }

        /* Animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.55s ease forwards;
        }

        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }