/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-dark: #0f3460;
            --primary-light: #e1effe;
            --accent: #0284c7;
            --accent-glow: #38bdf8;
            --bg-main: #f8fafc;
            --bg-surface: #ffffff;
            --bg-soft-blue: #f0f7ff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border-color: #e2e8f0;
            --border-hover: #cbd5e1;
            --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background-color: var(--bg-main);
            color: var(--text-main);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 渐变通栏导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: linear-gradient(135deg, #091e42 0%, #0f3460 50%, #1a56db 100%);
            box-shadow: 0 2px 12px rgba(9, 30, 66, 0.25);
            backdrop-filter: blur(8px);
        }

        .nav-wrapper {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: -0.02em;
        }

        .logo-badge {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #60a5fa;
            font-weight: 900;
            font-size: 1.1rem;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.88);
            font-size: 0.95rem;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 6px;
            position: relative;
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-link.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.18);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent-glow);
            border-radius: 2px;
        }

        .nav-cta {
            background: #ffffff;
            color: var(--primary-dark) !important;
            padding: 9px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
        }

        .nav-cta:hover {
            background: var(--primary-light);
            color: var(--primary) !important;
            transform: translateY(-1px);
        }

        /* 基础 Section 排版与样式 */
        .page-section {
            padding: 72px 0;
            position: relative;
        }

        .section-alt {
            background-color: var(--bg-surface);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-blue {
            background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
        }

        .section-header {
            text-align: center;
            max-width: 820px;
            margin: 0 auto 48px;
        }

        .section-header.text-left {
            text-align: left;
            margin-left: 0;
        }

        .section-tag {
            display: inline-block;
            font-size: 0.825rem;
            font-weight: 700;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.05em;
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 9999px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #0f172a;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* Hero：试用申请 + 权益徽章 + 资格说明 + 申请按钮 */
        .hero-banner {
            position: relative;
            background-image: linear-gradient(135deg, rgba(9, 30, 66, 0.92) 0%, rgba(15, 52, 96, 0.88) 100%), url('/assets/images/94607eff41332e82.jpg');
            background-size: cover;
            background-position: center;
            color: #ffffff;
            padding: 96px 0 88px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.28;
            margin-bottom: 22px;
            color: #ffffff;
            letter-spacing: -0.01em;
        }

        .hero-content p {
            font-size: 1.1rem;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
        }

        .hero-badge-row {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        .hero-card {
            background: #ffffff;
            color: var(--text-main);
            padding: 36px 32px;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .hero-card-title {
            font-size: 1.35rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
        }

        .hero-card-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .qualify-list {
            list-style: none;
            margin-bottom: 24px;
        }

        .qualify-list li {
            position: relative;
            padding-left: 24px;
            font-size: 0.88rem;
            color: #334155;
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .qualify-list li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        .btn-primary {
            display: inline-block;
            width: 100%;
            text-align: center;
            background: linear-gradient(135deg, var(--primary) 0%, #2563eb 100%);
            color: #ffffff;
            padding: 14px 24px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            box-shadow: 0 4px 12px rgba(37, 99, 235, 0.35);
            transition: var(--transition);
        }

        .btn-primary:hover {
            background: linear-gradient(135deg, #1e40af 0%, var(--primary) 100%);
            box-shadow: 0 6px 18px rgba(37, 99, 235, 0.45);
            transform: translateY(-2px);
        }

        /* 1. 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: -36px;
            position: relative;
            z-index: 10;
        }

        .metric-card {
            background: var(--bg-surface);
            padding: 26px 20px;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-color);
            text-align: center;
            transition: var(--transition);
        }

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

        .metric-val {
            font-size: 2.25rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 6px;
            font-family: inherit;
        }

        .metric-label {
            font-size: 0.95rem;
            font-weight: 600;
            color: #0f172a;
            margin-bottom: 4px;
        }

        .metric-sub {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        /* 2. 痛点洞察 */
        .pain-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .pain-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-left: 4px solid #ef4444;
            padding: 24px 28px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }

        .pain-card.resolved {
            border-left-color: #10b981;
        }

        .pain-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pain-desc {
            font-size: 0.925rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 3. 解决方案 / 服务矩阵 */
        .solutions-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .solution-card {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 32px 26px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .solution-icon {
            width: 52px;
            height: 52px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 20px;
            font-weight: bold;
        }

        .solution-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 12px;
        }

        .solution-card p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.65;
        }

        /* 4. 场景演示 */
        .scenario-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 36px;
            align-items: center;
        }

        .scenario-image-wrapper {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .scenario-image-wrapper img {
            width: 100%;
            height: 380px;
            object-fit: cover;
        }

        .scenario-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: rgba(15, 23, 42, 0.85);
            color: #ffffff;
            padding: 6px 14px;
            border-radius: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .scenario-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .scenario-item {
            background: var(--bg-surface);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .scenario-item-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 6px;
        }

        .scenario-item-desc {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* 5. 结果对比 (传统 vs 伊伊影院) */
        .comparison-table-wrapper {
            background: var(--bg-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            overflow: hidden;
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            text-align: left;
        }

        .comparison-table th, .comparison-table td {
            padding: 18px 24px;
            border-bottom: 1px solid var(--border-color);
            font-size: 0.95rem;
        }

        .comparison-table th {
            background: #f1f5f9;
            font-weight: 700;
            color: #1e293b;
        }

        .comparison-table th.col-highlight, .comparison-table td.col-highlight {
            background: rgba(26, 86, 219, 0.04);
            color: var(--primary-dark);
            font-weight: 600;
        }

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

        /* 6. 里程碑时间线 */
        .milestone-track {
            position: relative;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .milestone-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            position: relative;
        }

        .milestone-year {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .milestone-title {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
        }

        .milestone-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 7. 片库轨道与热门专区 */
        .media-rail {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .media-rail-card {
            background: var(--bg-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .media-rail-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .media-rail-content {
            padding: 18px 16px;
        }

        .media-rail-tag {
            font-size: 0.75rem;
            background: var(--bg-soft-blue);
            color: var(--primary);
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: 600;
            display: inline-block;
            margin-bottom: 8px;
        }

        .media-rail-title {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 6px;
        }

        .media-rail-desc {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }

        /* 8. 社会认同与评价墙 */
        .reviews-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .review-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
        }

        .review-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }

        .review-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #e2e8f0;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--primary);
        }

        .review-meta h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #0f172a;
        }

        .review-meta span {
            font-size: 0.8rem;
            color: var(--text-muted);
        }

        .review-stars {
            color: #f59e0b;
            font-size: 0.9rem;
            margin-bottom: 10px;
        }

        .review-card p {
            font-size: 0.9rem;
            color: #334155;
            line-height: 1.6;
        }

        /* 9. 资讯动态列表 */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .news-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .news-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }

        .news-thumb {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-body {
            padding: 20px;
        }

        .news-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .news-summary {
            font-size: 0.875rem;
            color: var(--text-muted);
            line-height: 1.55;
        }

        /* 10. 套餐与服务对比 */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            align-items: stretch;
        }

        .pricing-card {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            position: relative;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
        }

        .pricing-card.popular {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-lg);
        }

        .popular-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #ffffff;
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 9999px;
        }

        .pricing-name {
            font-size: 1.25rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 8px;
        }

        .pricing-desc {
            font-size: 0.875rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            height: 42px;
        }

        .pricing-price {
            font-size: 2.2rem;
            font-weight: 800;
            color: #0f172a;
            margin-bottom: 24px;
        }

        .pricing-price span {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-muted);
        }

        .pricing-features {
            list-style: none;
            margin-bottom: 32px;
            flex-grow: 1;
        }

        .pricing-features li {
            font-size: 0.9rem;
            color: #475569;
            margin-bottom: 12px;
            position: relative;
            padding-left: 22px;
        }

        .pricing-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--primary);
            font-weight: bold;
        }

        /* 11. 平台保障条 */
        .assurance-bar {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: #ffffff;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
        }

        .assurance-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .assurance-icon {
            font-size: 1.8rem;
            color: var(--primary);
            line-height: 1;
        }

        .assurance-item h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 4px;
        }

        .assurance-item p {
            font-size: 0.825rem;
            color: var(--text-muted);
            line-height: 1.45;
        }

        /* 12. 快速解答与常见异议 */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .faq-item {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
        }

        .faq-question {
            font-size: 1.05rem;
            font-weight: 700;
            color: #0f172a;
            margin-bottom: 10px;
        }

        .faq-answer {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        /* 13. 转化表单 */
        .conversion-wrapper {
            background: linear-gradient(135deg, #091e42 0%, #0f3460 100%);
            border-radius: var(--radius-xl);
            padding: 60px 48px;
            color: #ffffff;
            box-shadow: var(--shadow-lg);
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .conversion-info h3 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .conversion-info p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.65;
            margin-bottom: 24px;
        }

        .conversion-highlights {
            list-style: none;
        }

        .conversion-highlights li {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .conversion-form {
            background: #ffffff;
            padding: 32px;
            border-radius: var(--radius-lg);
            color: var(--text-main);
        }

        .form-group {
            margin-bottom: 18px;
        }

        .form-group label {
            display: block;
            font-size: 0.875rem;
            font-weight: 600;
            color: #334155;
            margin-bottom: 6px;
        }

        .form-input {
            width: 100%;
            padding: 12px 14px;
            border: 1px solid var(--border-color);
            border-radius: 6px;
            font-size: 0.925rem;
            outline: none;
            transition: var(--transition);
        }

        .form-input:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
        }

        /* 统一页脚 */
        .site-footer {
            background: #0b1528;
            color: #94a3b8;
            padding: 64px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 48px;
            margin-bottom: 48px;
        }

        .footer-brand h4 {
            color: #ffffff;
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.65;
            color: #94a3b8;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #ffffff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
        }

        .footer-links li {
            margin-bottom: 10px;
        }

        .footer-links a {
            font-size: 0.875rem;
            color: #94a3b8;
        }

        .footer-links a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.825rem;
        }

        /* 响应式断点 */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                margin-top: 0;
            }
            .solutions-grid, .pricing-grid, .reviews-grid, .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .media-rail {
                grid-template-columns: repeat(2, 1fr);
            }
            .milestone-track {
                grid-template-columns: repeat(2, 1fr);
            }
            .assurance-bar {
                grid-template-columns: repeat(2, 1fr);
            }
            .hero-layout, .scenario-grid, .conversion-wrapper {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-wrapper {
                height: 64px;
            }
            .main-nav {
                display: none;
            }
            .hero-content h1 {
                font-size: 1.85rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .solutions-grid, .pricing-grid, .reviews-grid, .news-grid, .faq-grid, .pain-grid {
                grid-template-columns: 1fr;
            }
            .media-rail {
                grid-template-columns: 1fr;
            }
            .milestone-track, .assurance-bar {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 12px;
                text-align: center;
            }
        }

/* roulang page: category2 */
:root {
      --primary: #1a56db;
      --primary-dark: #0f3460;
      --primary-light: #e1effe;
      --accent: #0284c7;
      --accent-glow: #38bdf8;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-soft-blue: #f0f7ff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: linear-gradient(135deg, #091e42 0%, #0f3460 50%, #1a56db 100%);
      box-shadow: 0 2px 12px rgba(9, 30, 66, 0.25);
      backdrop-filter: blur(8px);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: -0.02em;
    }
    .logo-badge {
      width: 38px;
      height: 38px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #60a5fa;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      color: rgba(255, 255, 255, 0.88);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 6px;
      position: relative;
    }
    .nav-link:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.12);
    }
    .nav-link.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.18);
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--accent-glow);
      border-radius: 2px;
    }
    .nav-cta {
      background: #ffffff;
      color: var(--primary-dark) !important;
      padding: 9px 20px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }
    .nav-cta:hover {
      background: var(--primary-light);
      color: var(--primary) !important;
      transform: translateY(-1px);
    }
    .page-section {
      padding: 68px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-header {
      text-align: center;
      max-width: 840px;
      margin: 0 auto 46px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.825rem;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 4px 14px;
      border-radius: 9999px;
      margin-bottom: 12px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin-bottom: 14px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    /* Hero: 产品截图舞台居中，左右价值点与下载按钮组 */
    .stage-hero {
      background: radial-gradient(circle at 50% 20%, #1e3a8a 0%, #0f172a 100%);
      color: #ffffff;
      padding: 72px 0 64px;
      overflow: hidden;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .stage-header {
      text-align: center;
      max-width: 860px;
      margin: 0 auto 36px;
    }
    .stage-badge {
      display: inline-block;
      padding: 6px 16px;
      background: rgba(56, 189, 248, 0.15);
      border: 1px solid rgba(56, 189, 248, 0.3);
      color: #7dd3fc;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 16px;
    }
    .stage-title {
      font-size: 2.5rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .stage-subtitle {
      font-size: 1.1rem;
      color: #cbd5e1;
      line-height: 1.7;
    }
    .stage-layout {
      display: grid;
      grid-template-columns: 280px 1fr 280px;
      gap: 32px;
      align-items: center;
      margin-top: 24px;
    }
    .stage-column {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .stage-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-lg);
      padding: 22px;
      backdrop-filter: blur(10px);
    }
    .stage-card h3 {
      font-size: 1.05rem;
      color: #38bdf8;
      margin-bottom: 8px;
    }
    .stage-card p {
      font-size: 0.9rem;
      color: #94a3b8;
      line-height: 1.6;
    }
    .stage-mockup-wrapper {
      position: relative;
      border-radius: var(--radius-xl);
      padding: 10px;
      background: linear-gradient(180deg, rgba(255, 255, 255, 0.2) 0%, rgba(255, 255, 255, 0.02) 100%);
      box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.7);
    }
    .stage-mockup-img {
      border-radius: var(--radius-lg);
      width: 100%;
      height: 340px;
      object-fit: cover;
    }
    .stage-actions {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .btn-action-primary {
      display: block;
      text-align: center;
      background: #0284c7;
      color: #ffffff;
      padding: 13px 20px;
      border-radius: var(--radius-md);
      font-weight: 700;
      box-shadow: 0 4px 14px rgba(2, 132, 199, 0.35);
    }
    .btn-action-primary:hover {
      background: #0369a1;
      transform: translateY(-2px);
    }
    .btn-action-outline {
      display: block;
      text-align: center;
      background: rgba(255, 255, 255, 0.08);
      color: #e2e8f0;
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 12px 20px;
      border-radius: var(--radius-md);
      font-weight: 600;
    }
    .btn-action-outline:hover {
      background: rgba(255, 255, 255, 0.16);
      color: #ffffff;
    }

    /* 板块1：指标看板 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .metric-number {
      font-size: 2.6rem;
      font-weight: 900;
      color: var(--primary);
      line-height: 1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    /* 板块2：服务矩阵与修复画质评测展示 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .matrix-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
    }
    .matrix-thumb {
      height: 200px;
      overflow: hidden;
      position: relative;
    }
    .matrix-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    .matrix-card:hover .matrix-thumb img {
      transform: scale(1.05);
    }
    .matrix-pill {
      position: absolute;
      top: 12px;
      left: 12px;
      background: rgba(15, 23, 42, 0.8);
      color: #38bdf8;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 4px 10px;
      border-radius: 6px;
      backdrop-filter: blur(4px);
    }
    .matrix-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .matrix-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--text-main);
    }
    .matrix-body p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 18px;
    }
    .matrix-tags {
      display: flex;
      gap: 8px;
      margin-top: auto;
      flex-wrap: wrap;
    }
    .tag-item {
      font-size: 0.75rem;
      background: var(--bg-soft-blue);
      color: var(--accent);
      padding: 3px 10px;
      border-radius: 4px;
      font-weight: 600;
    }

    /* 板块3：结果对比（重制前后参数表格对比） */
    .spec-table-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      box-shadow: var(--shadow-md);
      overflow-x: auto;
    }
    .spec-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .spec-table th, .spec-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
    }
    .spec-table th {
      background: var(--bg-soft-blue);
      color: var(--text-main);
      font-weight: 700;
      font-size: 0.95rem;
    }
    .spec-table tr:last-child td {
      border-bottom: none;
    }
    .spec-highlight {
      color: var(--primary);
      font-weight: 700;
    }

    /* 板块4：年代连载里程碑发展谱系 */
    .timeline-list {
      display: flex;
      flex-direction: column;
      gap: 24px;
      max-width: 900px;
      margin: 0 auto;
      position: relative;
    }
    .timeline-list::before {
      content: '';
      position: absolute;
      left: 32px;
      top: 10px;
      bottom: 10px;
      width: 2px;
      background: var(--border-color);
    }
    .timeline-item {
      display: flex;
      gap: 28px;
      align-items: flex-start;
      position: relative;
    }
    .timeline-node {
      width: 64px;
      height: 64px;
      border-radius: 50%;
      background: var(--bg-surface);
      border: 3px solid var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 800;
      color: var(--primary);
      flex-shrink: 0;
      z-index: 1;
      box-shadow: var(--shadow-sm);
    }
    .timeline-content {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 26px;
      flex-grow: 1;
      box-shadow: var(--shadow-sm);
    }
    .timeline-content h3 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 8px;
    }
    .timeline-content p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块5：资讯列表 / 深度片评与画质解读 */
    .news-list {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }
    .news-item {
      display: flex;
      gap: 20px;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 20px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .news-item:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--primary-light);
    }
    .news-img {
      width: 140px;
      height: 100px;
      border-radius: var(--radius-md);
      object-fit: cover;
      flex-shrink: 0;
    }
    .news-info {
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-info h4 {
      font-size: 1.05rem;
      color: var(--text-main);
      line-height: 1.4;
      margin-bottom: 6px;
    }
    .news-info p {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .news-meta {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-top: 8px;
    }

    /* 板块6：平台保障与技术规范 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 30px 24px;
      text-align: left;
      border-top: 4px solid var(--primary);
    }
    .guarantee-card h4 {
      font-size: 1.15rem;
      color: var(--text-main);
      margin-bottom: 10px;
    }
    .guarantee-card p {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块7：常见问题 FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 22px 26px;
      box-shadow: var(--shadow-sm);
    }
    .faq-box h4 {
      font-size: 1.1rem;
      color: #0f172a;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-box h4::before {
      content: '问';
      font-size: 0.75rem;
      background: var(--primary);
      color: #ffffff;
      padding: 2px 7px;
      border-radius: 4px;
      font-weight: 700;
    }
    .faq-box p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块8：转化接入表单 */
    .trial-box {
      background: linear-gradient(135deg, #0f3460 0%, #1a56db 100%);
      border-radius: var(--radius-xl);
      padding: 56px 48px;
      color: #ffffff;
      box-shadow: var(--shadow-lg);
    }
    .trial-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .trial-info h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      line-height: 1.3;
    }
    .trial-info p {
      font-size: 1.025rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.7;
      margin-bottom: 24px;
    }
    .trial-list {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .trial-list li {
      font-size: 0.925rem;
      color: #bae6fd;
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .trial-list li::before {
      content: '✓';
      font-weight: 900;
      color: #38bdf8;
    }
    .trial-form-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px;
      color: var(--text-main);
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 700;
      margin-bottom: 6px;
      color: #334155;
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      background: #f8fafc;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus {
      outline: none;
      border-color: var(--primary);
      background: #ffffff;
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
    }
    .btn-submit {
      width: 100%;
      background: var(--primary);
      color: #ffffff;
      border: none;
      padding: 14px;
      border-radius: var(--radius-md);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
    }
    .btn-submit:hover {
      background: var(--primary-dark);
      box-shadow: 0 4px 12px rgba(15, 52, 96, 0.3);
    }

    /* Footer */
    .site-footer {
      background: #091e42;
      color: #cbd5e1;
      padding: 64px 0 32px;
      border-top: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 1.2rem;
      color: #ffffff;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: #94a3b8;
    }
    .footer-col h5 {
      font-size: 1rem;
      color: #ffffff;
      margin-bottom: 18px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      color: #94a3b8;
      font-size: 0.875rem;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: #64748b;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* 移动端与平板响应式断点 */
    @media (max-width: 1024px) {
      .stage-layout {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .stage-column {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 16px;
      }
      .metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .trial-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
      }
    }
    @media (max-width: 768px) {
      .main-nav {
        display: none;
      }
      .stage-title {
        font-size: 1.85rem;
      }
      .stage-column {
        grid-template-columns: 1fr;
      }
      .stage-mockup-img {
        height: 240px;
      }
      .news-list {
        grid-template-columns: 1fr;
      }
      .matrix-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .trial-box {
        padding: 32px 20px;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }

/* roulang page: category1 */
:root {
      --primary: #1a56db;
      --primary-dark: #0f3460;
      --primary-light: #e1effe;
      --accent: #0284c7;
      --accent-glow: #38bdf8;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-soft-blue: #f0f7ff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 渐变通栏导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: linear-gradient(135deg, #091e42 0%, #0f3460 50%, #1a56db 100%);
      box-shadow: 0 2px 12px rgba(9, 30, 66, 0.25);
      backdrop-filter: blur(8px);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: -0.02em;
    }
    .logo-badge {
      width: 38px;
      height: 38px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #60a5fa;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      color: rgba(255, 255, 255, 0.88);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 6px;
      position: relative;
    }
    .nav-link:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.12);
    }
    .nav-link.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.18);
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--accent-glow);
      border-radius: 2px;
    }
    .nav-cta {
      background: #ffffff;
      color: var(--primary-dark) !important;
      padding: 9px 20px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }
    .nav-cta:hover {
      background: var(--primary-light);
      color: var(--primary) !important;
      transform: translateY(-1px);
    }
    /* Section 基础规范 */
    .page-section {
      padding: 72px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-blue {
      background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px;
    }
    .section-header.text-left {
      text-align: left;
      margin-left: 0;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.825rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 2.1rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 蓝图：Hero 路线图预告 + 版本节点条 + 订阅更新 */
    .hero-roadmap {
      background-image: linear-gradient(135deg, rgba(9, 30, 66, 0.94) 0%, rgba(15, 52, 96, 0.90) 100%), url('/assets/images/38af9eae9ce8132f.jpg');
      background-size: cover;
      background-position: center;
      color: #ffffff;
      padding: 80px 0 70px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-roadmap-inner {
      max-width: 980px;
      margin: 0 auto;
      text-align: center;
    }
    .hero-roadmap-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(2, 132, 199, 0.25);
      border: 1px solid rgba(56, 189, 248, 0.4);
      padding: 6px 16px;
      border-radius: 30px;
      font-size: 0.875rem;
      font-weight: 600;
      color: #7dd3fc;
      margin-bottom: 24px;
    }
    .hero-roadmap h1 {
      font-size: 2.75rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 20px;
      color: #ffffff;
      letter-spacing: -0.02em;
    }
    .hero-roadmap-p {
      font-size: 1.15rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.8;
      margin-bottom: 40px;
      max-width: 820px;
      margin-left: auto;
      margin-right: auto;
    }
    /* 版本节点条 (Roadmap Strip) */
    .roadmap-timeline-box {
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(12px);
      border-radius: var(--radius-lg);
      padding: 24px 20px;
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 16px;
      margin-bottom: 36px;
      position: relative;
    }
    .roadmap-node {
      text-align:left;
      position: relative;
      padding-left: 14px;
      border-left: 2px solid var(--accent-glow);
    }
    .node-phase {
      font-size: 0.75rem;
      text-transform: uppercase;
      font-weight: 700;
      color: #38bdf8;
      margin-bottom: 4px;
      letter-spacing: 0.05em;
    }
    .node-title {
      font-size: 0.95rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 4px;
    }
    .node-meta {
      font-size: 0.8rem;
      color: rgba(255, 255, 255, 0.7);
    }
    /* 订阅更新表单 */
    .hero-subscribe-bar {
      display: flex;
      max-width: 580px;
      margin: 0 auto;
      gap: 12px;
      background: rgba(255, 255, 255, 0.12);
      padding: 8px;
      border-radius: 12px;
      border: 1px solid rgba(255, 255, 255, 0.2);
    }
    .hero-subscribe-bar input {
      flex: 1;
      background: transparent;
      border: none;
      padding: 0 16px;
      color: #ffffff;
      font-size: 0.95rem;
      outline: none;
    }
    .hero-subscribe-bar input::placeholder {
      color: rgba(255, 255, 255, 0.6);
    }
    .hero-subscribe-bar button {
      background: var(--accent);
      color: #ffffff;
      border: none;
      padding: 12px 26px;
      border-radius: 8px;
      font-weight: 600;
      cursor: pointer;
      transition: var(--transition);
      white-space: nowrap;
    }
    .hero-subscribe-bar button:hover {
      background: #026ca7;
    }

    /* 板块1：看板指标网格 */
    .metrics-board {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: var(--accent);
    }
    .metric-num {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块2：服务矩阵大图评测流 */
    .matrix-showcase {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
    }
    .matrix-img-box {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      border: 1px solid var(--border-color);
    }
    .matrix-img-box img {
      width: 100%;
      height: 380px;
      object-fit: cover;
      display: block;
    }
    .matrix-specs {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }
    .spec-item {
      display: flex;
      gap: 16px;
      align-items: flex-start;
      background: var(--bg-surface);
      padding: 18px 20px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
    }
    .spec-icon {
      width: 36px;
      height: 36px;
      border-radius: 8px;
      background: var(--primary-light);
      color: var(--primary);
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      flex-shrink: 0;
    }
    .spec-text h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 4px;
      color: #0f172a;
    }
    .spec-text p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块3：画质与编解码结果对比 */
    .compare-table-wrapper {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: #f1f5f9;
      font-weight: 700;
      color: #334155;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .compare-highlight {
      background: rgba(2, 132, 199, 0.05);
      color: var(--primary);
      font-weight: 600;
    }

    /* 板块4：剧场排播里程碑 */
    .milestone-horizontal {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      position: relative;
    }
    .milestone-step {
      background: var(--bg-surface);
      padding: 24px;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      position: relative;
    }
    .step-time {
      font-size: 0.825rem;
      font-weight: 700;
      color: var(--accent);
      background: var(--bg-soft-blue);
      display: inline-block;
      padding: 3px 10px;
      border-radius: 4px;
      margin-bottom: 12px;
    }
    .step-name {
      font-size: 1.05rem;
      font-weight: 700;
      margin-bottom: 8px;
      color: #0f172a;
    }
    .step-desc {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.6;
    }

    /* 板块5：资讯列表网格 */
    .news-cards-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .news-card-single {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .news-card-single:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }
    .news-img {
      height: 200px;
      overflow: hidden;
    }
    .news-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: var(--transition);
    }
    .news-card-single:hover .news-img img {
      transform: scale(1.05);
    }
    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    .news-tag {
      font-size: 0.75rem;
      font-weight: 600;
      color: var(--primary);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.4;
      margin-bottom: 10px;
    }
    .news-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex: 1;
    }
    .news-foot {
      font-size: 0.8rem;
      color: var(--text-light);
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
      display: flex;
      justify-content: space-between;
    }

    /* 板块6：平台保障服务体系 */
    .guarantee-block {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .guarantee-item {
      background: var(--bg-surface);
      padding: 30px;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      text-align: center;
    }
    .guarantee-badge {
      width: 54px;
      height: 54px;
      background: #eff6ff;
      color: var(--primary);
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4rem;
      margin: 0 auto 18px;
      font-weight: 800;
    }
    .guarantee-item h3 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }
    .guarantee-item p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块7：常见问答与解析 FAQ */
    .faq-accordion-group {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-cell {
      background: var(--bg-surface);
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      padding: 22px 26px;
    }
    .faq-q {
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
      display: flex;
      align-items: center;
      gap: 10px;
    }
    .faq-q::before {
      content: "问";
      font-size: 0.75rem;
      background: var(--primary);
      color: #ffffff;
      padding: 2px 7px;
      border-radius: 4px;
    }
    .faq-a {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 板块8：转化表单 */
    .convert-block-box {
      background: linear-gradient(135deg, #0f3460 0%, #1a56db 100%);
      border-radius: var(--radius-xl);
      padding: 56px 40px;
      color: #ffffff;
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 40px;
      align-items: center;
    }
    .convert-intro h3 {
      font-size: 1.85rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
    }
    .convert-intro p {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.7;
    }
    .convert-form-card {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      color: var(--text-main);
      box-shadow: var(--shadow-lg);
    }
    .form-group-line {
      margin-bottom: 16px;
    }
    .form-group-line label {
      display: block;
      font-size: 0.85rem;
      font-weight: 600;
      margin-bottom: 6px;
      color: #334155;
    }
    .form-group-line input, .form-group-line select {
      width: 100%;
      padding: 11px 14px;
      border-radius: 6px;
      border: 1px solid var(--border-color);
      font-size: 0.9rem;
      outline: none;
      background: #f8fafc;
    }
    .form-group-line input:focus, .form-group-line select:focus {
      border-color: var(--primary);
      background: #ffffff;
    }
    .form-submit-btn {
      width: 100%;
      background: var(--primary);
      color: #ffffff;
      border: none;
      padding: 13px;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      transition: var(--transition);
      margin-top: 8px;
    }
    .form-submit-btn:hover {
      background: #0f3460;
    }

    /* 页脚系统 */
    .site-footer {
      background: #091e42;
      color: #cbd5e1;
      padding: 64px 0 32px;
      border-top: 1px solid #1e293b;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      color: #ffffff;
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 16px;
    }
    .footer-brand p {
      font-size: 0.875rem;
      line-height: 1.7;
      color: #94a3b8;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 0.95rem;
      font-weight: 600;
      margin-bottom: 18px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      font-size: 0.875rem;
      color: #94a3b8;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: #64748b;
    }

    /* 响应式断点适配 */
    @media (max-width: 1024px) {
      .metrics-board {
        grid-template-columns: repeat(2, 1fr);
      }
      .milestone-horizontal {
        grid-template-columns: repeat(2, 1fr);
      }
      .matrix-showcase {
        grid-template-columns: 1fr;
      }
      .convert-block-box {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .hero-roadmap h1 {
        font-size: 1.9rem;
      }
      .roadmap-timeline-box {
        grid-template-columns: 1fr;
      }
      .news-cards-grid {
        grid-template-columns: 1fr;
      }
      .guarantee-block {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .footer-bottom {
        flex-direction: column;
        gap: 12px;
        text-align: center;
      }
      .main-nav {
        display: none;
      }
    }

/* roulang page: category4 */
:root {
      --primary: #1a56db;
      --primary-dark: #0f3460;
      --primary-light: #e1effe;
      --accent: #0284c7;
      --accent-glow: #38bdf8;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-soft-blue: #f0f7ff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: linear-gradient(135deg, #091e42 0%, #0f3460 50%, #1a56db 100%);
      box-shadow: 0 2px 12px rgba(9, 30, 66, 0.25);
      backdrop-filter: blur(8px);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: -0.02em;
    }
    .logo-badge {
      width: 38px;
      height: 38px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #60a5fa;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      color: rgba(255, 255, 255, 0.88);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 6px;
      position: relative;
    }
    .nav-link:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.12);
    }
    .nav-link.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.18);
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--accent-glow);
      border-radius: 2px;
    }
    .nav-cta {
      background: #ffffff;
      color: var(--primary-dark) !important;
      padding: 9px 20px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }
    .nav-cta:hover {
      background: var(--primary-light);
      color: var(--primary) !important;
      transform: translateY(-1px);
    }
    .page-section {
      padding: 72px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-blue {
      background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
    }
    .section-header {
      text-align: center;
      max-width: 840px;
      margin: 0 auto 48px;
    }
    .section-header.text-left {
      text-align: left;
      margin-left: 0;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.825rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }
    .hero-sync-flagship {
      position: relative;
      background: linear-gradient(rgba(10, 25, 47, 0.88), rgba(15, 52, 96, 0.85)), url('/assets/images/38af9eae9ce8132f.jpg') center/cover no-repeat;
      color: #ffffff;
      padding: 80px 0 60px;
    }
    .flagship-header {
      max-width: 900px;
      margin-bottom: 36px;
    }
    .flagship-header h1 {
      font-size: 2.6rem;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 18px;
      letter-spacing: -0.02em;
    }
    .flagship-header p {
      font-size: 1.15rem;
      color: #cbd5e1;
      line-height: 1.7;
    }
    .sync-category-tabs {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      background: rgba(15, 23, 42, 0.6);
      backdrop-filter: blur(12px);
      padding: 16px 20px;
      border-radius: var(--radius-lg);
      border: 1px solid rgba(255, 255, 255, 0.15);
      box-shadow: 0 16px 36px rgba(0, 0, 0, 0.25);
    }
    .sync-tab-item {
      display: flex;
      align-items: center;
      gap: 10px;
      padding: 10px 18px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: 8px;
      color: #ffffff;
      font-weight: 600;
      font-size: 0.95rem;
    }
    .sync-tab-item.active {
      background: var(--primary);
      border-color: var(--accent-glow);
      box-shadow: 0 4px 14px rgba(2, 132, 199, 0.4);
    }
    .sync-tab-item span.icon {
      font-size: 1.1rem;
    }
    .flagship-cta-bar {
      display: flex;
      align-items: center;
      gap: 16px;
      margin-top: 28px;
    }
    .btn-enter-hub {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: #ffffff;
      color: var(--primary-dark);
      padding: 13px 28px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 1rem;
      box-shadow: var(--shadow-md);
    }
    .btn-enter-hub:hover {
      background: var(--primary-light);
      color: var(--primary);
      transform: translateY(-2px);
    }
    .hero-stat-badge {
      font-size: 0.875rem;
      color: #94a3b8;
      border-left: 2px solid rgba(255, 255, 255, 0.2);
      padding-left: 16px;
    }
    .dashboard-metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
      margin-bottom: 24px;
    }
    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px 20px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-3px);
      box-shadow: var(--shadow-md);
      border-color: var(--border-hover);
    }
    .metric-head {
      font-size: 0.85rem;
      color: var(--text-muted);
      font-weight: 600;
      margin-bottom: 12px;
      display: flex;
      justify-content: space-between;
      align-items: center;
    }
    .metric-badge {
      background: #dbeafe;
      color: #1e40af;
      padding: 2px 8px;
      border-radius: 6px;
      font-size: 0.75rem;
    }
    .metric-value {
      font-size: 2.2rem;
      font-weight: 800;
      color: var(--primary-dark);
      line-height: 1.1;
      margin-bottom: 6px;
      letter-spacing: -0.03em;
    }
    .metric-desc {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.5;
    }
    .hub-matrix-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 28px;
    }
    .hub-matrix-card {
      background: var(--bg-surface);
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-color);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      transition: var(--transition);
    }
    .hub-matrix-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-lg);
      border-color: #cbd5e1;
    }
    .matrix-card-media {
      height: 200px;
      position: relative;
      overflow: hidden;
      background: #0f172a;
    }
    .matrix-card-media img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .hub-matrix-card:hover .matrix-card-media img {
      transform: scale(1.05);
    }
    .matrix-floating-badge {
      position: absolute;
      top: 14px;
      left: 14px;
      background: rgba(15, 23, 42, 0.85);
      backdrop-filter: blur(6px);
      color: #38bdf8;
      font-size: 0.8rem;
      font-weight: 600;
      padding: 4px 10px;
      border-radius: 6px;
      border: 1px solid rgba(255, 255, 255, 0.15);
    }
    .matrix-card-body {
      padding: 24px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .matrix-card-body h3 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 12px;
      line-height: 1.4;
    }
    .matrix-card-body p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
      margin-bottom: 18px;
      flex-grow: 1;
    }
    .matrix-spec-list {
      list-style: none;
      border-top: 1px dashed var(--border-color);
      padding-top: 16px;
      margin-bottom: 18px;
    }
    .matrix-spec-list li {
      font-size: 0.85rem;
      color: #475569;
      display: flex;
      align-items: center;
      gap: 8px;
      margin-bottom: 8px;
    }
    .matrix-spec-list li::before {
      content: '✔';
      color: #059669;
      font-weight: bold;
      font-size: 0.8rem;
    }
    .matrix-btn {
      align-self: flex-start;
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .matrix-btn:hover {
      color: var(--accent);
      text-decoration: underline;
    }
    .compare-container {
      background: var(--bg-surface);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-color);
      padding: 32px;
      box-shadow: var(--shadow-sm);
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: separate;
      border-spacing: 0;
      min-width: 680px;
    }
    .compare-table th {
      padding: 16px 20px;
      background: var(--bg-soft-blue);
      color: var(--primary-dark);
      font-weight: 700;
      font-size: 0.95rem;
      text-align: left;
      border-bottom: 2px solid #bfdbfe;
    }
    .compare-table td {
      padding: 16px 20px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.9rem;
      color: #334155;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .badge-pass {
      background: #ecfdf5;
      color: #047857;
      padding: 3px 10px;
      border-radius: 9999px;
      font-size: 0.8rem;
      font-weight: 600;
      display: inline-block;
    }
    .badge-fail {
      background: #fef2f2;
      color: #b91c1c;
      padding: 3px 10px;
      border-radius: 9999px;
      font-size: 0.8rem;
      font-weight: 600;
      display: inline-block;
    }
    .timeline-milestones {
      position: relative;
      max-width: 880px;
      margin: 0 auto;
    }
    .timeline-milestones::before {
      content: '';
      position: absolute;
      top: 0;
      bottom: 0;
      left: 20px;
      width: 3px;
      background: #cbd5e1;
    }
    .milestone-item {
      position: relative;
      padding-left: 54px;
      margin-bottom: 36px;
    }
    .milestone-item:last-child {
      margin-bottom: 0;
    }
    .milestone-dot {
      position: absolute;
      left: 12px;
      top: 4px;
      width: 19px;
      height: 19px;
      background: #ffffff;
      border: 4px solid var(--primary);
      border-radius: 50%;
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.2);
    }
    .milestone-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }
    .milestone-time {
      font-size: 0.85rem;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 6px;
    }
    .milestone-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 8px;
    }
    .milestone-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
    }
    .sync-news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-item-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }
    .news-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 12px;
    }
    .news-tag {
      background: #f1f5f9;
      color: #475569;
      padding: 2px 8px;
      border-radius: 4px;
      font-weight: 600;
    }
    .news-item-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.45;
      margin-bottom: 12px;
    }
    .news-item-card p {
      font-size: 0.875rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
    }
    .faq-accordion {
      max-width: 880px;
      margin: 0 auto;
    }
    .faq-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      margin-bottom: 16px;
      overflow: hidden;
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      padding: 20px 24px;
      font-size: 1.05rem;
      font-weight: 700;
      color: #0f172a;
      display: flex;
      justify-content: space-between;
      align-items: center;
      background: #ffffff;
      cursor: pointer;
    }
    .faq-question span.q-icon {
      color: var(--primary);
      font-size: 1.2rem;
    }
    .faq-answer {
      padding: 0 24px 20px;
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      border-top: 1px solid #f1f5f9;
      background: #fafbfc;
      padding-top: 16px;
    }
    .form-wrapper-box {
      max-width: 760px;
      margin: 0 auto;
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-xl);
      padding: 40px;
      box-shadow: var(--shadow-lg);
    }
    .form-grid-two {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 20px;
      margin-bottom: 20px;
    }
    .form-group {
      display: flex;
      flex-direction: column;
      gap: 6px;
      margin-bottom: 20px;
    }
    .form-label {
      font-size: 0.9rem;
      font-weight: 600;
      color: #334155;
    }
    .form-input, .form-select, .form-textarea {
      width: 100%;
      padding: 12px 16px;
      border: 1px solid var(--border-color);
      border-radius: 8px;
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus, .form-textarea:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
    }
    .btn-submit-sync {
      width: 100%;
      background: var(--primary);
      color: #ffffff;
      border: none;
      padding: 14px 24px;
      border-radius: 8px;
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: var(--shadow-md);
      transition: var(--transition);
    }
    .btn-submit-sync:hover {
      background: var(--primary-dark);
      transform: translateY(-1px);
    }
    .site-footer {
      background: #0b1526;
      color: #cbd5e1;
      padding: 64px 0 24px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      font-size: 0.9rem;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.5fr 1fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 1.15rem;
      color: #ffffff;
      margin-bottom: 16px;
      font-weight: 700;
    }
    .footer-brand p {
      line-height: 1.7;
      color: #94a3b8;
    }
    .footer-col h5 {
      color: #ffffff;
      font-size: 1rem;
      margin-bottom: 18px;
      font-weight: 600;
    }
    .footer-links {
      list-style: none;
    }
    .footer-links li {
      margin-bottom: 10px;
    }
    .footer-links a {
      color: #94a3b8;
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      color: #64748b;
      font-size: 0.85rem;
    }

    @media (max-width: 1024px) {
      .dashboard-metrics-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .hub-matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }
    @media (max-width: 768px) {
      .hero-layout, .form-grid-two, .sync-news-grid {
        grid-template-columns: 1fr;
      }
      .hub-matrix-grid {
        grid-template-columns: 1fr;
      }
      .flagship-header h1 {
        font-size: 2rem;
      }
      .main-nav {
        display: none;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }
      .compare-container {
        padding: 16px;
      }
      .form-wrapper-box {
        padding: 24px 16px;
      }
    }

/* roulang page: category3 */
:root {
      --primary: #1a56db;
      --primary-dark: #0f3460;
      --primary-light: #e1effe;
      --accent: #0284c7;
      --accent-glow: #38bdf8;
      --bg-main: #f8fafc;
      --bg-surface: #ffffff;
      --bg-soft-blue: #f0f7ff;
      --text-main: #1e293b;
      --text-muted: #64748b;
      --text-light: #94a3b8;
      --border-color: #e2e8f0;
      --border-hover: #cbd5e1;
      --shadow-sm: 0 1px 3px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 4px 14px -2px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 12px 28px -6px rgba(15, 23, 42, 0.12);
      --radius-md: 10px;
      --radius-lg: 16px;
      --radius-xl: 24px;
      --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    }
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background-color: var(--bg-main);
      color: var(--text-main);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
    }
    a {
      color: inherit;
      text-decoration: none;
      transition: var(--transition);
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
    }
    .container {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    /* 渐变通栏导航 */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1000;
      background: linear-gradient(135deg, #091e42 0%, #0f3460 50%, #1a56db 100%);
      box-shadow: 0 2px 12px rgba(9, 30, 66, 0.25);
      backdrop-filter: blur(8px);
    }
    .nav-wrapper {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }
    .site-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      letter-spacing: -0.02em;
    }
    .logo-badge {
      width: 38px;
      height: 38px;
      background: rgba(255, 255, 255, 0.15);
      border: 1px solid rgba(255, 255, 255, 0.3);
      border-radius: 8px;
      display: flex;
      align-items: center;
      justify-content: center;
      color: #60a5fa;
      font-weight: 900;
      font-size: 1.1rem;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      color: rgba(255, 255, 255, 0.88);
      font-size: 0.95rem;
      font-weight: 500;
      padding: 8px 16px;
      border-radius: 6px;
      position: relative;
    }
    .nav-link:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.12);
    }
    .nav-link.active {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.18);
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      bottom: -2px;
      left: 16px;
      right: 16px;
      height: 2px;
      background: var(--accent-glow);
      border-radius: 2px;
    }
    .nav-cta {
      background: #ffffff;
      color: var(--primary-dark) !important;
      padding: 9px 20px;
      border-radius: 8px;
      font-weight: 600;
      font-size: 0.9rem;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
    }
    .nav-cta:hover {
      background: var(--primary-light);
      color: var(--primary) !important;
      transform: translateY(-1px);
    }
    /* 基础 Section 排版 */
    .page-section {
      padding: 72px 0;
      position: relative;
    }
    .section-alt {
      background-color: var(--bg-surface);
      border-top: 1px solid var(--border-color);
      border-bottom: 1px solid var(--border-color);
    }
    .section-blue {
      background: linear-gradient(180deg, #f0f7ff 0%, #f8fafc 100%);
    }
    .section-header {
      text-align: center;
      max-width: 820px;
      margin: 0 auto 48px;
    }
    .section-tag {
      display: inline-block;
      font-size: 0.825rem;
      font-weight: 700;
      color: var(--primary);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      background: var(--primary-light);
      padding: 4px 12px;
      border-radius: 9999px;
      margin-bottom: 14px;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      color: #0f172a;
      line-height: 1.35;
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 1.05rem;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* 蓝图 Hero：众筹预热 + 目标进度环 + 档位预览 + 支持按钮 */
    .hero-crowdfund {
      position: relative;
      background: linear-gradient(135deg, rgba(15, 52, 96, 0.95) 0%, rgba(26, 86, 219, 0.92) 100%), url('/assets/images/38af9eae9ce8132f.jpg');
      background-size: cover;
      background-position: center;
      color: #ffffff;
      padding: 84px 0 76px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .hero-cf-wrapper {
      display: grid;
      grid-template-columns: 1.15fr 0.85fr;
      gap: 40px;
      align-items: center;
    }
    .hero-cf-intro h1 {
      font-size: 2.4rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 18px;
      color: #ffffff;
    }
    .hero-cf-intro p {
      font-size: 1.05rem;
      line-height: 1.75;
      color: rgba(255, 255, 255, 0.88);
      margin-bottom: 24px;
    }
    .hero-badges-row {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      margin-bottom: 30px;
    }
    .cf-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.25);
      padding: 6px 14px;
      border-radius: 20px;
      font-size: 0.85rem;
      font-weight: 500;
    }
    .cf-badge strong {
      color: #38bdf8;
    }
    /* 众筹卡片 */
    .crowdfund-card {
      background: rgba(255, 255, 255, 0.96);
      border-radius: var(--radius-xl);
      padding: 32px;
      color: var(--text-main);
      box-shadow: 0 20px 40px rgba(0, 0, 0, 0.25);
      border: 1px solid rgba(255, 255, 255, 0.4);
    }
    .cf-progress-header {
      display: flex;
      align-items: center;
      justify-content: space-between;
      margin-bottom: 20px;
    }
    .cf-ring-box {
      display: flex;
      align-items: center;
      gap: 16px;
    }
    .circle-progress {
      width: 74px;
      height: 74px;
      border-radius: 50%;
      background: conic-gradient(var(--primary) 0% 92%, #e2e8f0 92% 100%);
      display: flex;
      align-items: center;
      justify-content: center;
      position: relative;
    }
    .circle-progress::before {
      content: '92%';
      position: absolute;
      width: 58px;
      height: 58px;
      background: #ffffff;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.95rem;
      font-weight: 800;
      color: var(--primary);
    }
    .cf-ring-text h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 4px;
    }
    .cf-ring-text p {
      font-size: 0.85rem;
      color: var(--text-muted);
    }
    /* 档位预览 */
    .cf-tier-list {
      margin-top: 18px;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .tier-item {
      display: flex;
      align-items: center;
      justify-content: space-between;
      padding: 10px 14px;
      background: var(--bg-soft-blue);
      border: 1px solid #bfdbfe;
      border-radius: var(--radius-md);
      font-size: 0.9rem;
    }
    .tier-item span {
      font-weight: 600;
      color: var(--text-main);
    }
    .tier-item small {
      color: var(--primary);
      font-weight: 700;
      background: #ffffff;
      padding: 2px 8px;
      border-radius: 6px;
      border: 1px solid #93c5fd;
    }
    .cf-action-btn {
      display: block;
      width: 100%;
      text-align: center;
      margin-top: 20px;
      padding: 12px 24px;
      background: var(--primary);
      color: #ffffff;
      border-radius: var(--radius-md);
      font-weight: 700;
      font-size: 1rem;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(26, 86, 219, 0.35);
    }
    .cf-action-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* 板块1：指标看板 */
    .metrics-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }
    .metric-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px 20px;
      text-align: center;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .metric-card:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
      border-color: #93c5fd;
    }
    .metric-value {
      font-size: 2.25rem;
      font-weight: 800;
      color: var(--primary);
      line-height: 1.1;
      margin-bottom: 8px;
    }
    .metric-label {
      font-size: 1rem;
      font-weight: 700;
      color: var(--text-main);
      margin-bottom: 6px;
    }
    .metric-sub {
      font-size: 0.85rem;
      color: var(--text-muted);
      line-height: 1.5;
    }

    /* 板块2：独播服务矩阵 */
    .matrix-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 24px;
    }
    .matrix-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .matrix-card:hover {
      transform: translateY(-5px);
      box-shadow: var(--shadow-lg);
      border-color: #93c5fd;
    }
    .matrix-img-box {
      height: 170px;
      overflow: hidden;
      position: relative;
    }
    .matrix-img-box img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.4s ease;
    }
    .matrix-card:hover .matrix-img-box img {
      transform: scale(1.05);
    }
    .matrix-badge-top {
      position: absolute;
      top: 12px;
      right: 12px;
      background: rgba(15, 23, 42, 0.85);
      color: #38bdf8;
      font-size: 0.75rem;
      font-weight: 700;
      padding: 3px 8px;
      border-radius: 4px;
      backdrop-filter: blur(4px);
    }
    .matrix-content {
      padding: 22px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }
    .matrix-content h3 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: #0f172a;
    }
    .matrix-content p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .matrix-spec {
      border-top: 1px solid var(--border-color);
      padding-top: 12px;
      font-size: 0.825rem;
      color: var(--primary);
      font-weight: 600;
      display: flex;
      justify-content: space-between;
    }

    /* 板块3：结果对比（参数看板） */
    .compare-table-wrapper {
      background: var(--bg-surface);
      border-radius: var(--radius-xl);
      border: 1px solid var(--border-color);
      box-shadow: var(--shadow-md);
      overflow-x: auto;
    }
    .compare-table {
      width: 100%;
      border-collapse: collapse;
      text-align: left;
    }
    .compare-table th, .compare-table td {
      padding: 18px 24px;
      border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem;
    }
    .compare-table th {
      background: var(--bg-soft-blue);
      color: var(--text-main);
      font-weight: 700;
    }
    .compare-table tr:last-child td {
      border-bottom: none;
    }
    .col-feature {
      width: 25%;
      font-weight: 600;
      color: var(--text-main);
    }
    .col-standard {
      width: 35%;
      color: var(--text-muted);
    }
    .col-exclusive {
      width: 40%;
      color: var(--primary-dark);
      font-weight: 600;
      background: rgba(225, 239, 254, 0.35);
    }
    .tag-check {
      color: #059669;
      font-weight: 700;
      margin-right: 6px;
    }

    /* 板块4：里程碑 */
    .timeline-container {
      position: relative;
      max-width: 900px;
      margin: 0 auto;
      padding-left: 36px;
    }
    .timeline-container::before {
      content: '';
      position: absolute;
      left: 10px;
      top: 10px;
      bottom: 10px;
      width: 3px;
      background: linear-gradient(180deg, var(--primary) 0%, #93c5fd 100%);
      border-radius: 2px;
    }
    .timeline-item {
      position: relative;
      margin-bottom: 32px;
    }
    .timeline-item:last-child {
      margin-bottom: 0;
    }
    .timeline-dot {
      position: absolute;
      left: -32px;
      top: 6px;
      width: 15px;
      height: 15px;
      border-radius: 50%;
      background: #ffffff;
      border: 3px solid var(--primary);
      box-shadow: 0 0 0 4px var(--primary-light);
    }
    .timeline-box {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 20px 24px;
      box-shadow: var(--shadow-sm);
    }
    .timeline-box h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 6px;
      display: flex;
      align-items: center;
      justify-content: space-between;
    }
    .timeline-box h4 span {
      font-size: 0.825rem;
      color: var(--primary);
      background: var(--primary-light);
      padding: 3px 10px;
      border-radius: 12px;
      font-weight: 600;
    }
    .timeline-box p {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块5：资讯列表 */
    .news-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .news-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }
    .news-card:hover {
      box-shadow: var(--shadow-md);
      transform: translateY(-4px);
    }
    .news-thumb {
      height: 190px;
      overflow: hidden;
    }
    .news-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
    }
    .news-body {
      padding: 22px;
      display: flex;
      flex-direction: column;
      flex-grow: 1;
    }
    .news-date {
      font-size: 0.8rem;
      color: var(--text-light);
      margin-bottom: 8px;
    }
    .news-title {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      line-height: 1.45;
      margin-bottom: 10px;
    }
    .news-desc {
      font-size: 0.9rem;
      color: var(--text-muted);
      line-height: 1.6;
      margin-bottom: 16px;
      flex-grow: 1;
    }
    .news-read-more {
      font-size: 0.875rem;
      font-weight: 600;
      color: var(--primary);
      display: inline-flex;
      align-items: center;
      gap: 4px;
    }
    .news-read-more:hover {
      color: var(--primary-dark);
    }

    /* 板块6：平台保障 */
    .guarantee-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .guarantee-card {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .guarantee-card:hover {
      border-color: #bfdbfe;
      box-shadow: var(--shadow-md);
    }
    .guarantee-icon {
      width: 48px;
      height: 48px;
      background: var(--bg-soft-blue);
      border: 1px solid #bfdbfe;
      border-radius: 12px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.35rem;
      color: var(--primary);
      margin-bottom: 18px;
    }
    .guarantee-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
    }
    .guarantee-card p {
      font-size: 0.925rem;
      color: var(--text-muted);
      line-height: 1.65;
    }

    /* 板块7：快速解答与FAQ */
    .faq-container {
      max-width: 860px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      gap: 16px;
    }
    .faq-item {
      background: var(--bg-surface);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 24px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
    }
    .faq-item:hover {
      border-color: #cbd5e1;
      box-shadow: var(--shadow-md);
    }
    .faq-q {
      font-size: 1.1rem;
      font-weight: 700;
      color: #0f172a;
      margin-bottom: 10px;
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }
    .faq-icon {
      color: var(--primary);
      font-size: 1.1rem;
      line-height: 1.2;
    }
    .faq-a {
      font-size: 0.95rem;
      color: var(--text-muted);
      line-height: 1.7;
      padding-left: 24px;
    }

    /* 板块8：转化表单 */
    .apply-section {
      background: linear-gradient(135deg, #091e42 0%, #0f3460 60%, #1a56db 100%);
      color: #ffffff;
      padding: 72px 0;
      border-radius: var(--radius-xl);
      margin: 20px 0 72px;
      box-shadow: var(--shadow-lg);
    }
    .apply-grid {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 48px;
      align-items: center;
    }
    .apply-info h3 {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 16px;
      color: #ffffff;
      line-height: 1.3;
    }
    .apply-info p {
      font-size: 1.05rem;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.75;
      margin-bottom: 24px;
    }
    .apply-bullets {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .apply-bullets li {
      font-size: 0.95rem;
      color: rgba(255, 255, 255, 0.9);
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .bullet-check {
      color: #38bdf8;
      font-weight: bold;
    }
    .apply-form {
      background: #ffffff;
      border-radius: var(--radius-lg);
      padding: 32px;
      color: var(--text-main);
      box-shadow: 0 16px 32px rgba(0, 0, 0, 0.2);
    }
    .form-group {
      margin-bottom: 18px;
    }
    .form-label {
      display: block;
      font-size: 0.875rem;
      font-weight: 600;
      margin-bottom: 8px;
      color: var(--text-main);
    }
    .form-input, .form-select {
      width: 100%;
      padding: 12px 14px;
      border: 1px solid var(--border-color);
      border-radius: var(--radius-md);
      font-size: 0.95rem;
      color: var(--text-main);
      background: #ffffff;
      outline: none;
      transition: var(--transition);
    }
    .form-input:focus, .form-select:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(26, 86, 219, 0.15);
    }
    .form-submit-btn {
      width: 100%;
      padding: 13px;
      background: var(--primary);
      color: #ffffff;
      border: none;
      border-radius: var(--radius-md);
      font-size: 1rem;
      font-weight: 700;
      cursor: pointer;
      box-shadow: 0 4px 12px rgba(26, 86, 219, 0.3);
      transition: var(--transition);
    }
    .form-submit-btn:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
    }

    /* 页脚 */
    .site-footer {
      background: #091e42;
      color: rgba(255, 255, 255, 0.75);
      padding: 64px 0 28px;
      border-top: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.8fr 1.1fr 1.1fr 1.1fr;
      gap: 40px;
      margin-bottom: 48px;
    }
    .footer-brand h4 {
      font-size: 1.25rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-brand p {
      font-size: 0.9rem;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.65);
    }
    .footer-col h5 {
      font-size: 1rem;
      font-weight: 700;
      color: #ffffff;
      margin-bottom: 16px;
    }
    .footer-links {
      list-style: none;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }
    .footer-links a {
      font-size: 0.875rem;
      color: rgba(255, 255, 255, 0.7);
    }
    .footer-links a:hover {
      color: #ffffff;
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 0.825rem;
      color: rgba(255, 255, 255, 0.5);
      flex-wrap: wrap;
      gap: 12px;
    }

    /* 响应式断点 */
    @media (max-width: 1024px) {
      .hero-cf-wrapper {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .metrics-grid, .matrix-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .guarantee-grid, .news-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .apply-grid {
        grid-template-columns: 1fr;
      }
    }
    @media (max-width: 768px) {
      .nav-wrapper {
        height: auto;
        padding: 12px 0;
        flex-direction: column;
        gap: 12px;
      }
      .main-nav {
        flex-wrap: wrap;
        justify-content: center;
      }
      .hero-cf-intro h1 {
        font-size: 1.85rem;
      }
      .metrics-grid, .matrix-grid, .news-grid, .guarantee-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
      }
      .footer-bottom {
        flex-direction: column;
        text-align: center;
      }
    }