/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0d6efd;
            --primary-dark: #0a58ca;
            --primary-light: #e8f0fe;
            --accent: #6f42c1;
            --accent-light: #f0ebfa;
            --success: #198754;
            --bg-body: #f8faff;
            --bg-white: #ffffff;
            --bg-light: #f0f4ff;
            --text-main: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, .06);
            --shadow-md: 0 8px 30px rgba(15, 23, 42, .08);
            --shadow-lg: 0 16px 50px rgba(15, 23, 42, .12);
            --transition: .25s ease;
            --space-section: 88px;
        }
        
        /* ============ 基础 Reset ============ */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; display: block; }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
        
        /* ============ 顶部导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 12px rgba(15, 23, 42, .05);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 20px;
        }
        .logo-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-text i { color: var(--primary); font-size: 24px; }
        .logo-text span span { color: var(--primary); }
        
        .main-nav { flex: 1; display: flex; justify-content: center; }
        .main-nav ul { display: flex; gap: 6px; margin: 0; }
        .main-nav a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-main);
        }
        .main-nav a:hover { background: var(--primary-light); color: var(--primary); }
        .main-nav a.active { background: var(--primary); color: #fff; }
        
        .header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border: 1px solid transparent;
            border-radius: 50px;
            padding: 7px 16px;
            gap: 8px;
            transition: var(--transition);
            width: 200px;
        }
        .search-box i { color: var(--text-weak); font-size: 14px; }
        .search-box input {
            border: none;
            outline: none;
            background: transparent;
            width: 130px;
            font-size: 14px;
            color: var(--text-main);
        }
        .search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 4px rgba(13, 110, 253, .08); }
        .search-box input::placeholder { color: var(--text-weak); }
        
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-primary { background: var(--primary); color: #fff; }
        .btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(13, 110, 253, .3); }
        .btn-outline {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--text-main);
        }
        .btn-outline:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }
        .btn-accent { background: var(--accent); color: #fff; }
        .btn-accent:hover { background: #5a32a3; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(111, 66, 193, .3); }
        .btn-lg { padding: 14px 36px; font-size: 16px; }
        
        .mobile-menu-btn { display: none; background: none; border: none; font-size: 24px; color: var(--text-main); cursor: pointer; }
        
        /* ============ Hero 首屏 ============ */
        .hero {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(135deg, #f0f4ff 0%, #e8effc 50%, #f8faff 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: .15;
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 860px; margin: 0 auto; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--border);
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 500;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.25;
            letter-spacing: -1.5px;
            margin-bottom: 24px;
        }
        .hero h1 span { color: var(--primary); position: relative; }
        .hero-desc { font-size: 18px; color: var(--text-weak); line-height: 1.8; margin-bottom: 36px; }
        .hero-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; margin-bottom: 50px; }
        
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            max-width: 900px;
            margin: 0 auto;
        }
        .stat-item {
            background: rgba(255, 255, 255, .85);
            border: 1px solid rgba(255, 255, 255, .8);
            border-radius: var(--radius);
            padding: 24px 16px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }
        .stat-item:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary); }
        .stat-num { font-size: 36px; font-weight: 800; color: var(--primary); margin-bottom: 4px; }
        .stat-label { font-size: 14px; color: var(--text-weak); }
        
        /* ============ 板块通用 ============ */
        .section { padding: var(--space-section) 0; }
        .section-bg-light { background: #f8faff; }
        .section-bg-white { background: #fff; }
        .section-header { text-align: center; max-width: 700px; margin: 0 auto 56px; }
        .section-header h2 { font-size: 38px; font-weight: 800; color: var(--text-main); margin-bottom: 18px; letter-spacing: -.8px; }
        .section-header h2 span { color: var(--primary); }
        .section-header p { font-size: 17px; color: var(--text-weak); line-height: 1.7; }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        
        /* ============ 核心优势 ============ */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .feature-card:hover::after { opacity: 1; }
        .feature-icon {
            width: 60px;
            height: 60px;
            background: var(--primary-light);
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 22px;
        }
        .feature-icon i { font-size: 24px; color: var(--primary); }
        .feature-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 12px; }
        .feature-card p { font-size: 15px; color: var(--text-weak); line-height: 1.7; }
        
        /* ============ 分类入口 ============ */
        .category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .category-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: #fff;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: block;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--primary); }
        .category-card-img { position: relative; height: 200px; overflow: hidden; }
        .category-card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
        .category-card:hover .category-card-img img { transform: scale(1.05); }
        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, .4));
        }
        .category-card-body { padding: 26px 24px; }
        .category-card-body h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
        .category-card-body p { font-size: 14px; color: var(--text-weak); line-height: 1.7; margin-bottom: 16px; }
        .category-link {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .category-link i { transition: transform var(--transition); }
        .category-link:hover i { transform: translateX(4px); }
        
        /* ============ 平台优势 ============ */
        .advantage-wrap {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .advantage-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }
        .advantage-img img { width: 100%; height: 420px; object-fit: cover; }
        .advantage-img::before {
            content: '';
            position: absolute;
            top: 20px;
            left: -20px;
            width: 100%;
            height: 100%;
            border: 2px solid var(--primary);
            border-radius: var(--radius-lg);
            z-index: -1;
            opacity: .3;
        }
        .advantage-list { display: flex; flex-direction: column; gap: 28px; }
        .advantage-item { display: flex; gap: 18px; }
        .advantage-item-icon {
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .advantage-item-icon i { color: var(--primary); font-size: 20px; }
        .advantage-item h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
        .advantage-item p { font-size: 15px; color: var(--text-weak); line-height: 1.6; }
        
        /* ============ 平台流程 ============ */
        .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .process-step {
            text-align: center;
            padding: 36px 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: var(--transition);
        }
        .process-step:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
        .process-step-num {
            width: 44px;
            height: 44px;
            background: var(--primary);
            color: #fff;
            font-size: 18px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }
        .process-step h4 { font-size: 16px; font-weight: 700; margin-bottom: 12px; }
        .process-step p { font-size: 14px; color: var(--text-weak); line-height: 1.6; }
        .process-arrow {
            position: absolute;
            top: 50%;
            right: -20px;
            color: var(--border);
            font-size: 18px;
            z-index: 2;
        }
        
        /* ============ 资讯区域 ============ */
        .news-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); border-color: var(--primary); }
        .news-card-img { position: relative; height: 200px; }
        .news-card-img img { width: 100%; height: 100%; object-fit: cover; }
        .news-card-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(15, 23, 42, .3)); }
        .news-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(6px);
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            padding: 5px 12px;
            border-radius: 50px;
            z-index: 2;
        }
        .news-card-body { padding: 22px; display: flex; flex-direction: column; flex: 1; }
        .news-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-weak); margin-bottom: 10px; }
        .news-meta i { font-size: 13px; }
        .news-card-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; margin-bottom: 12px; flex: 1; }
        .news-card-body h3 a:hover { color: var(--primary); }
        .news-excerpt { font-size: 14px; color: var(--text-weak); line-height: 1.6; margin-bottom: 16px; }
        .news-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .news-date { font-size: 13px; color: var(--text-weak); }
        .news-more { font-size: 13px; color: var(--primary); font-weight: 600; }
        
        .empty-tip {
            text-align: center;
            padding: 50px 0;
            background: #fff;
            border-radius: var(--radius-lg);
            border: 2px dashed var(--border);
            color: var(--text-weak);
            font-size: 16px;
        }
        
        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--accent) 100%);
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, .08);
            border-radius: 50%;
        }
        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 300px;
            height: 300px;
            background: rgba(255, 255, 255, .05);
            border-radius: 50%;
        }
        .cta-section h2 { color: #fff; font-size: 34px; font-weight: 800; margin-bottom: 18px; position: relative; z-index: 2; }
        .cta-section p { color: rgba(255, 255, 255, .85); font-size: 17px; margin-bottom: 32px; position: relative; z-index: 2; }
        .cta-section .btn {
            position: relative;
            z-index: 2;
            background: #fff;
            color: var(--primary);
        }
        .cta-section .btn:hover { transform: translateY(-3px); box-shadow: 0 12px 30px rgba(0, 0, 0, .15); color: var(--primary); }
        .cta-link { display: inline-block; margin-top: 16px; color: rgba(255, 255, 255, .7); font-size: 14px; position: relative; z-index: 2; }
        .cta-link:hover { color: #fff; }
        
        /* ============ FAQ ============ */
        .faq-wrap { max-width: 820px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 0;
            margin-bottom: 16px;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary); box-shadow: var(--shadow-md); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 26px;
            cursor: pointer;
            gap: 16px;
        }
        .faq-question h4 { font-size: 16px; font-weight: 600; }
        .faq-question i { color: var(--primary); font-size: 18px; transition: transform .3s ease; }
        .faq-item[data-open] .faq-question i { transform: rotate(180deg); }
        .faq-answer { display: none; padding: 0 26px 22px; color: var(--text-weak); font-size: 15px; line-height: 1.8; }
        .faq-item[data-open] .faq-answer { display: block; animation: fadeIn .3s ease; }
        @keyframes fadeIn { from { opacity: 0; transform: translateY(-6px); } to { opacity: 1; transform: translateY(0); } }
        
        /* ============ 内容信息 ============ */
        .info-panel {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
        }
        .info-panel h3 { font-size: 22px; font-weight: 700; margin-bottom: 20px; }
        .info-panel ul { display: flex; flex-direction: column; gap: 14px; }
        .info-panel li { display: flex; gap: 12px; align-items: flex-start; font-size: 15px; color: var(--text-main); }
        .info-panel li i { color: var(--primary); margin-top: 4px; }
        .info-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        
        /* ============ 页脚 ============ */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 64px 0 0;
            margin-top: 40px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; margin-bottom: 48px; }
        .footer-brand .logo-text { color: #fff; font-size: 20px; margin-bottom: 16px; }
        .footer-brand .logo-text i { color: #60a5fa; }
        .footer-brand p { font-size: 14px; line-height: 1.8; }
        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { font-size: 14px; }
        .footer-col ul a:hover { color: #60a5fa; }
        .footer-contact li { display: flex; gap: 10px; margin-bottom: 14px; font-size: 14px; align-items: flex-start; }
        .footer-contact li i { color: #60a5fa; margin-top: 4px; }
        .footer-bottom {
            border-top: 1px solid #1e293b;
            padding: 24px 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 14px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a:hover { color: #60a5fa; }
        
        /* ============ 移动端响应式 ============ */
        @media (max-width: 1024px) {
            .features-grid { gap: 20px; }
            .category-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .advantage-wrap { grid-template-columns: 1fr; gap: 40px; }
            .section { --space-section: 64px; }
        }
        
        @media (max-width: 768px) {
            .container { padding: 0 20px; }
            .site-header .container { height: 64px; }
            .site-header .container { flex-wrap: wrap; padding-top: 10px; padding-bottom: 10px; }
            .main-nav {
                order: 3;
                width: 100%;
                overflow-x: auto;
                justify-content: flex-start;
                padding-bottom: 6px;
                -webkit-overflow-scrolling: touch;
            }
            .main-nav ul { gap: 10px; flex-wrap: nowrap; }
            .header-actions .search-box { display: none; }
            .header-actions .btn { display: none; }
            .mobile-menu-btn { display: block; }
            .hero { padding: 70px 0 60px; }
            .hero h1 { font-size: 32px; }
            .hero-desc { font-size: 16px; }
            .hero-stats { grid-template-columns: repeat(2, 1fr); }
            .section-header h2 { font-size: 28px; }
            .features-grid { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .news-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; }
            .process-arrow { display: none; }
            .info-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 40px 24px; }
            .cta-section h2 { font-size: 26px; }
        }
        
        @media (max-width: 520px) {
            .hero h1 { font-size: 28px; }
            .hero-buttons .btn { width: 100%; }
            .section-header h2 { font-size: 24px; }
            .stat-num { font-size: 28px; }
            .advantage-img img { height: 260px; }
        }

/* roulang page: article */
:root {
            --primary: #1d4ed8;
            --primary-dark: #1e2a5a;
            --primary-light: #3b72e0;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --dark: #0b1830;
            --dark-2: #101f3c;
            --bg: #f3f5fa;
            --surface: #ffffff;
            --text: #1e2635;
            --text-2: #526278;
            --text-3: #8a97ab;
            --border: #e4e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(16, 30, 60, 0.08);
            --shadow-lg: 0 20px 45px rgba(16, 30, 60, 0.14);
            --transition: all 0.25s ease;
            --font-base: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-base);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        ul,
        ol {
            list-style: none;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            border: none;
            outline: none;
            background: none;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            height: 76px;
        }
        .logo-text {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.42rem;
            font-weight: 900;
            color: var(--primary-dark);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .logo-text i {
            color: var(--accent);
            font-size: 1.55rem;
        }
        .header-menu-wrap {
            display: flex;
            align-items: center;
            gap: 18px;
            flex: 1;
            justify-content: flex-end;
        }
        .main-nav ul {
            display: flex;
            gap: 4px;
            align-items: center;
        }
        .main-nav li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-2);
            border-radius: 999px;
            transition: var(--transition);
            position: relative;
        }
        .main-nav li a:hover {
            color: var(--primary);
            background: rgba(29, 78, 216, 0.08);
        }
        .main-nav li a.active {
            color: var(--primary);
            background: rgba(29, 78, 216, 0.12);
            font-weight: 600;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: #f1f3f9;
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 0 14px;
            height: 38px;
            min-width: 180px;
            transition: var(--transition);
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(29, 78, 216, 0.15);
        }
        .nav-search i {
            color: var(--text-3);
            font-size: 0.85rem;
            margin-right: 8px;
        }
        .nav-search input {
            width: 100%;
            font-size: 0.85rem;
            color: var(--text);
            background: transparent;
        }
        .nav-search input::placeholder {
            color: var(--text-3);
        }
        .nav-cta {
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 0.9rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 24px;
            font-size: 0.92rem;
            font-weight: 600;
            border-radius: 999px;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            line-height: 1.3;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(29, 78, 216, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(29, 78, 216, 0.4);
        }
        .btn-outline {
            border-color: var(--primary);
            color: var(--primary);
            background: transparent;
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
        }
        .btn-block {
            width: 100%;
        }
        .btn-light {
            background: #fff;
            color: var(--primary-dark);
        }
        .btn-light:hover {
            background: #eef2ff;
            transform: translateY(-2px);
        }
        .btn-ghost-light {
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }
        .btn-ghost-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
        }
        .menu-toggle {
            display: none;
            font-size: 1.3rem;
            color: var(--text);
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg);
            cursor: pointer;
            justify-content: center;
            align-items: center;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            min-height: 340px;
            display: flex;
            align-items: center;
            padding: 56px 0 48px;
            overflow: hidden;
            isolation: isolate;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(6, 12, 32, 0.94), rgba(20, 38, 76, 0.85), rgba(10, 26, 54, 0.9));
            z-index: -1;
        }
        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            letter-spacing: 0.3px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
            padding: 3px 6px;
            border-radius: 6px;
        }
        .breadcrumb a:hover {
            color: var(--accent-light);
            background: rgba(255, 255, 255, 0.1);
        }
        .breadcrumb .current {
            color: rgba(255, 255, 255, 0.9);
            font-weight: 500;
            max-width: 380px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .hero-content .badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.25);
            color: var(--accent-light);
            border: 1px solid rgba(245, 158, 11, 0.4);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .hero-content h1 {
            font-size: clamp(1.75rem, 4vw, 2.6rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.3;
            max-width: 860px;
            margin: 6px 0 16px;
            letter-spacing: 1px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 4px;
        }
        .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.88rem;
        }
        .meta-item i {
            color: var(--accent-light);
            font-size: 0.85rem;
        }

        /* ===== Article Body Section ===== */
        .article-section {
            padding: 52px 0 28px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 340px;
            gap: 34px;
            align-items: start;
        }
        .article-main {
            min-width: 0;
        }
        .article-card {
            background: var(--surface);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid rgba(228, 232, 240, 0.6);
            padding: 32px 36px;
            transition: var(--transition);
        }
        .article-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .article-body {
            font-size: 1.02rem;
            color: var(--text-2);
        }
        .article-body p {
            margin-bottom: 1.35rem;
            line-height: 1.95;
            font-size: 1.02rem;
        }
        .article-body h2 {
            font-size: 1.5rem;
            color: var(--dark);
            margin: 2rem 0 1rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .article-body h3 {
            font-size: 1.2rem;
            color: var(--dark);
            margin: 1.6rem 0 0.7rem;
            font-weight: 600;
        }
        .article-body ul {
            margin: 0.8rem 0 1.4rem 1.2rem;
            list-style: disc;
        }
        .article-body ol {
            margin: 0.8rem 0 1.4rem 1.2rem;
            list-style: decimal;
        }
        .article-body li {
            margin-bottom: 0.55rem;
            line-height: 1.85;
        }
        .article-body img {
            border-radius: 14px;
            margin: 1.6rem 0;
            box-shadow: var(--shadow);
        }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: #eef3ff;
            padding: 1rem 1.6rem;
            margin: 1.6rem 0;
            border-radius: 0 12px 12px 0;
            color: var(--dark);
            font-weight: 500;
        }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(29, 78, 216, 0.3);
        }
        .article-body a:hover {
            color: var(--accent);
            border-color: var(--accent);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
            border-radius: 10px;
            overflow: hidden;
            font-size: 0.94rem;
        }
        .article-body table th {
            background: #f1f4fa;
            color: var(--dark);
            font-weight: 600;
            padding: 12px 14px;
            text-align: left;
            border-bottom: 2px solid var(--border);
        }
        .article-body table td {
            padding: 10px 14px;
            border-bottom: 1px solid var(--border);
            color: var(--text-2);
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 30px 10px;
        }
        .not-found-icon {
            width: 88px;
            height: 88px;
            border-radius: 50%;
            background: #eef2ff;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 2.2rem;
            color: var(--primary);
        }
        .not-found-box h2 {
            font-size: 1.6rem;
            color: var(--text);
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-3);
            margin-bottom: 24px;
        }

        /* ===== Share Box ===== */
        .share-box {
            display: flex;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border);
            margin-top: 28px;
            padding-top: 22px;
            flex-wrap: wrap;
        }
        .share-box span {
            font-size: 0.88rem;
            color: var(--text-3);
            margin-right: 4px;
        }
        .share-btn {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #f1f4fa;
            color: var(--text-2);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .share-btn:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 6px 16px rgba(29, 78, 216, 0.25);
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 22px;
            position: sticky;
            top: 96px;
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid rgba(228, 232, 240, 0.6);
            box-shadow: var(--shadow);
            padding: 24px;
            transition: var(--transition);
        }
        .sidebar-card:hover {
            box-shadow: var(--shadow-lg);
        }
        .sidebar-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: 12px;
            margin-bottom: 18px;
        }
        .sidebar-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 12px;
            position: relative;
            padding-bottom: 10px;
        }
        .sidebar-card h4::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 34px;
            height: 3px;
            border-radius: 3px;
            background: var(--accent);
        }
        .sidebar-card p {
            font-size: 0.9rem;
            color: var(--text-2);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .sidebar-card p strong {
            color: var(--primary);
        }
        .sidebar-cats li {
            margin-bottom: 6px;
        }
        .sidebar-cats a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 12px;
            border-radius: 10px;
            font-size: 0.9rem;
            color: var(--text-2);
            transition: var(--transition);
        }
        .sidebar-cats a i {
            color: var(--primary);
            font-size: 0.78rem;
        }
        .sidebar-cats a:hover {
            background: #eef2ff;
            color: var(--primary);
            transform: translateX(4px);
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0;
            position: relative;
        }
        .cta-box {
            background: linear-gradient(120deg, var(--dark) 0%, #122a56 100%);
            border-radius: 24px;
            padding: 46px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            box-shadow: 0 25px 50px rgba(16, 30, 60, 0.25);
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
            pointer-events: none;
        }
        .cta-text h2 {
            color: #fff;
            font-size: 1.7rem;
            font-weight: 800;
            margin-bottom: 8px;
        }
        .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
        }
        .cta-action {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 60px 0 70px;
        }
        .section-head {
            margin-bottom: 36px;
        }
        .section-head.center {
            text-align: center;
        }
        .section-tag {
            display: inline-block;
            background: rgba(29, 78, 216, 0.1);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 1.5px;
            padding: 4px 16px;
            border-radius: 999px;
            margin-bottom: 10px;
            text-transform: uppercase;
        }
        .section-head h2 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: 0.5px;
        }
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .faq-item {
            background: var(--surface);
            border: 1px solid rgba(228, 232, 240, 0.7);
            border-radius: var(--radius);
            padding: 22px 24px;
            transition: var(--transition);
        }
        .faq-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
            border-color: rgba(29, 78, 216, 0.2);
        }
        .faq-item h4 {
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }
        .faq-item h4 i {
            color: var(--accent);
            font-size: 0.9rem;
            margin-top: 4px;
        }
        .faq-item p {
            font-size: 0.86rem;
            color: var(--text-2);
            line-height: 1.7;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 0;
            border-top: 4px solid var(--accent);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            color: #fff;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 9px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            transition: var(--transition);
        }
        .footer-col ul a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-col ul a i {
            font-size: 0.75rem;
            margin-right: 4px;
            color: var(--accent);
        }
        .footer-contact li {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            display: flex;
            gap: 8px;
            align-items: flex-start;
        }
        .footer-contact i {
            color: var(--accent);
            margin-top: 3px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== Responsive ===== */
        @media screen and (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .faq-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media screen and (max-width: 768px) {
            .header-inner {
                height: auto;
                min-height: 72px;
                flex-wrap: wrap;
            }
            .header-menu-wrap {
                display: none;
                flex-direction: column;
                align-items: stretch;
                width: 100%;
                padding: 14px 0 18px;
                gap: 12px;
            }
            .header-menu-wrap.open {
                display: flex;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 6px;
                align-items: stretch;
            }
            .main-nav li a {
                display: block;
                padding: 10px 16px;
                border-radius: 12px;
                text-align: left;
            }
            .nav-search {
                width: 100%;
                min-width: 0;
            }
            .nav-cta {
                width: 100%;
                text-align: center;
            }
            .menu-toggle {
                display: flex;
            }
            .article-hero {
                min-height: 300px;
            }
            .article-card {
                padding: 24px 20px;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
            .cta-box {
                padding: 32px 24px;
                flex-direction: column;
                align-items: flex-start;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
        }
        @media screen and (max-width: 520px) {
            .header-inner {
                padding: 0 16px;
            }
            .logo-text {
                font-size: 1.15rem;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .cta-text h2 {
                font-size: 1.4rem;
            }
            .faq-item {
                padding: 18px 16px;
            }
            .site-footer {
                padding-top: 40px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #0f172a;
            --primary-light: #1e3a5f;
            --secondary: #d4a51b;
            --secondary-hover: #b8941a;
            --accent: #60a5fa;
            --bg: #f4f6f9;
            --bg-dark: #0b1120;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --card-bg: #ffffff;
            --success: #10b981;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.12);
            --space-sm: 8px;
            --space-md: 16px;
            --space-lg: 24px;
            --space-xl: 48px;
            --space-2xl: 80px;
            --font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1.4;
            cursor: pointer;
            transition: all 0.25s ease;
            text-align: center;
            border: 2px solid transparent;
        }

        .btn-primary {
            background: var(--secondary);
            color: #0b1120;
            border-color: var(--secondary);
        }

        .btn-primary:hover {
            background: var(--secondary-hover);
            border-color: var(--secondary-hover);
            color: #0b1120;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 165, 27, 0.3);
        }

        .btn-outline {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.6);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-dark {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .btn-dark:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 23, 42, 0.25);
        }

        .btn-sm {
            padding: 8px 20px;
            font-size: 14px;
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            padding: 16px 24px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
        }

        .logo-text i {
            color: var(--secondary);
            font-size: 24px;
        }

        .logo-text span {
            letter-spacing: -0.5px;
        }

        .main-nav ul {
            list-style: none;
            display: flex;
            gap: 4px;
            margin: 0;
        }

        .main-nav a {
            display: block;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            transition: background 0.2s, color 0.2s;
        }

        .main-nav a:hover {
            background: rgba(96, 165, 250, 0.12);
            color: var(--primary-light);
        }

        .main-nav a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .search-box {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 14px;
            min-width: 200px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.15);
        }

        .search-box i {
            color: var(--text-weak);
            font-size: 14px;
        }

        .search-box input {
            border: none;
            background: transparent;
            font-size: 14px;
            width: 100%;
            color: var(--text);
        }

        .search-box input::placeholder {
            color: var(--text-weak);
        }

        .search-box kbd {
            background: #e9edf2;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 11px;
            color: var(--text-weak);
            font-family: monospace;
            white-space: nowrap;
        }

        .nav-toggle {
            display: none;
            background: transparent;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            font-size: 20px;
            color: var(--text);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
        }

        .nav-toggle:hover {
            background: var(--bg);
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
            padding: 100px 0 80px;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 17, 32, 0.86), rgba(30, 58, 95, 0.65));
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -1px;
            line-height: 1.2;
        }

        .page-hero p {
            font-size: 18px;
            max-width: 680px;
            margin: 0 auto 28px;
            color: rgba(255, 255, 255, 0.88);
            line-height: 1.8;
        }

        .hero-tags {
            display: flex;
            gap: 10px;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .hero-tags span {
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.24);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 14px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Section common */
        .section-padding {
            padding: 80px 0;
        }

        .section-bg-alt {
            background: #fff;
        }

        .section-header {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 56px;
        }

        .section-header .eyebrow {
            display: inline-block;
            background: rgba(212, 165, 27, 0.12);
            color: var(--secondary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 16px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 1px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 36px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .section-header p {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.8;
        }

        /* Intro section */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .intro-content h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .intro-content p {
            color: var(--text-weak);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 24px;
        }

        .intro-features {
            display: grid;
            gap: 16px;
            margin-top: 32px;
        }

        .intro-feature {
            display: flex;
            gap: 16px;
            padding: 18px 20px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            transition: transform 0.2s, box-shadow 0.2s;
        }

        .intro-feature:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .intro-feature i {
            font-size: 22px;
            color: var(--secondary);
            width: 32px;
            height: 32px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(212, 165, 27, 0.12);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .intro-feature h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .intro-feature p {
            font-size: 14px;
            color: var(--text-weak);
            margin: 0;
            line-height: 1.6;
        }

        .intro-image img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
        }

        /* Sports Grid */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .sport-card {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
        }

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

        .sport-card .card-image {
            position: relative;
            height: 180px;
            overflow: hidden;
        }

        .sport-card .card-image img {
            width: 100%;
            height: 100%;
            object-fit: contain;
            background: #f0f2f5;
        }

        .card-image .card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(255, 255, 255, 0.95);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 50px;
            box-shadow: var(--shadow-sm);
        }

        .sport-card .card-body {
            padding: 20px;
        }

        .sport-card .card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .sport-card .card-body p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 14px;
        }

        .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--secondary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap 0.2s;
        }

        .card-link:hover {
            gap: 8px;
            color: var(--secondary-hover);
        }

        /* Match list */
        .match-list-wrap {
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .match-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            background: var(--primary);
            color: #fff;
        }

        .match-list-header h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
        }

        .match-list-header span {
            font-size: 13px;
            background: rgba(255, 255, 255, 0.2);
            padding: 4px 14px;
            border-radius: 50px;
        }

        .match-item {
            display: grid;
            grid-template-columns: 140px 1fr 120px 120px;
            align-items: center;
            gap: 16px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            transition: background 0.2s;
        }

        .match-item:last-child {
            border-bottom: none;
        }

        .match-item:hover {
            background: rgba(96, 165, 250, 0.04);
        }

        .match-league {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(96, 165, 250, 0.1);
            padding: 4px 12px;
            border-radius: 50px;
            width: fit-content;
        }

        .match-teams {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
        }

        .match-time {
            font-size: 14px;
            color: var(--text-weak);
        }

        .match-status {
            font-size: 13px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            text-align: center;
        }

        .match-status.live {
            background: rgba(16, 185, 129, 0.12);
            color: var(--success);
        }

        .match-status.upcoming {
            background: rgba(212, 165, 27, 0.12);
            color: var(--secondary);
        }

        /* Stats */
        .stats-section {
            background: var(--bg-dark);
            color: #fff;
        }

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

        .stat-item h3 {
            font-size: 44px;
            font-weight: 800;
            color: var(--secondary);
            margin-bottom: 8px;
            line-height: 1.2;
        }

        .stat-item p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .step-item {
            text-align: center;
            padding: 32px 24px;
            background: var(--card-bg);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform 0.3s, box-shadow 0.3s;
            position: relative;
        }

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

        .step-number {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 64px;
            font-weight: 800;
            color: rgba(15, 23, 42, 0.06);
            line-height: 1;
        }

        .step-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: rgba(212, 165, 27, 0.15);
            color: var(--secondary);
            font-size: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
        }

        .step-item h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .step-item p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
        }

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

        .faq-item {
            margin-bottom: 14px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: box-shadow 0.2s;
        }

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

        .faq-item summary {
            cursor: pointer;
            list-style: none;
            padding: 20px 24px;
            font-weight: 600;
            font-size: 16px;
            color: var(--primary);
            position: relative;
            padding-right: 48px;
            transition: color 0.2s;
        }

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

        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--secondary);
            font-size: 14px;
            transition: transform 0.3s;
        }

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

        .faq-item[open] summary::after {
            transform: translateY(-50%) rotate(180deg);
        }

        .faq-item .faq-body {
            padding: 0 24px 20px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid var(--border);
            padding-top: 14px;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(120deg, var(--primary) 0%, var(--primary-light) 100%);
            color: #fff;
            text-align: center;
            padding: 72px 0;
        }

        .cta-section h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 32px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: #cbd5e1;
            padding: 64px 0 20px;
            font-size: 14px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
            display: inline-flex;
        }

        .footer-brand p {
            color: #94a3b8;
            line-height: 1.8;
            max-width: 340px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
            font-weight: 600;
        }

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

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

        .footer-col ul a {
            color: #94a3b8;
            font-size: 14px;
            transition: color 0.2s, padding-left 0.2s;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .footer-col ul a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-col ul a i {
            font-size: 12px;
            color: var(--secondary);
        }

        .footer-contact li {
            color: #94a3b8;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--secondary);
            font-size: 14px;
            width: 18px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 13px;
            color: #94a3b8;
        }

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

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

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .match-item {
                grid-template-columns: 120px 1fr 100px;
            }

            .match-status {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 12px 20px;
            }

            .main-nav {
                display: none;
                width: 100%;
                order: 3;
            }

            .main-nav.open {
                display: block;
            }

            .main-nav ul {
                flex-direction: column;
                gap: 0;
                padding: 8px 0;
            }

            .main-nav a {
                padding: 12px 16px;
                border-radius: 8px;
            }

            .search-box {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .header-actions .btn {
                display: none;
            }

            .page-hero {
                min-height: 360px;
                padding: 80px 0 60px;
                background-attachment: scroll;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero p {
                font-size: 16px;
            }

            .section-header h2 {
                font-size: 28px;
            }

            .section-padding {
                padding: 60px 0;
            }

            .match-item {
                grid-template-columns: 1fr;
                gap: 8px;
                padding: 16px;
            }

            .match-status {
                display: inline-block;
                width: fit-content;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

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

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

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

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

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

            .page-hero h1 {
                font-size: 28px;
            }

            .hero-tags {
                gap: 8px;
            }

            .hero-tags span {
                padding: 4px 12px;
                font-size: 13px;
            }

            .cta-section h2 {
                font-size: 26px;
            }

            .btn {
                padding: 10px 22px;
                font-size: 14px;
            }
        }

/* roulang page: category2 */
/* ========== 设计变量 ========== */
:root{
  --dark-900:#0b132b;
  --dark-800:#111c3c;
  --dark-700:#1b2a4c;
  --blue-600:#2563eb;
  --blue-500:#3b82f6;
  --blue-400:#60a5fa;
  --blue-100:#dbeafe;
  --gold-500:#f59e0b;
  --bg-light:#f5f7fb;
  --white:#ffffff;
  --text-main:#1e293b;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --radius-lg:18px;
  --radius-md:12px;
  --radius-sm:8px;
  --shadow-sm:0 2px 8px rgba(15,23,42,.06);
  --shadow-md:0 10px 28px rgba(15,23,42,.08);
  --shadow-lg:0 24px 48px rgba(15,23,42,.12);
  --space-section:84px;
  --header-h:76px;
}
/* ========== 基础 Reset ========== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  color:var(--text-main);
  background:var(--bg-light);
  line-height:1.7;
  overflow-x:hidden;
}
a{text-decoration:none;color:inherit;}
img{max-width:100%;height:auto;display:block;border:0;}
ul,ol{list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:inherit;line-height:inherit;}
.container{width:100%;max-width:1240px;margin:0 auto;padding:0 24px;}
.i{font-style:normal;}
/* ========== 头部导航 ========== */
.site-header{
  position:fixed;top:0;left:0;width:100%;height:var(--header-h);
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid rgba(255,255,255,.5);
  box-shadow:0 1px 20px rgba(15,23,42,.05);
  z-index:999;
}
.header-inner{height:var(--header-h);display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo-text{display:inline-flex;align-items:center;gap:10px;font-size:1.45rem;font-weight:800;color:var(--dark-900);white-space:nowrap;}
.logo-text i{color:var(--blue-400);font-size:1.5rem;}
.main-nav ul{display:flex;align-items:center;gap:6px;}
.main-nav ul li a{
  display:block;padding:9px 18px;border-radius:999px;font-size:.95rem;font-weight:600;color:var(--text-main);
  transition:background .25s,color .25s,transform .2s;
}
.main-nav ul li a:hover{background:var(--blue-100);color:var(--blue-600);transform:translateY(-1px);}
.main-nav ul li a.active{background:linear-gradient(135deg,var(--blue-600),var(--blue-400));color:#fff;box-shadow:0 4px 14px rgba(37,99,235,.28);}
.header-actions{display:flex;align-items:center;gap:14px;}
.search-box{
  position:relative;display:flex;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:0 16px;height:42px;width:220px;transition:box-shadow .25s,border-color .25s,width .3s;
}
.search-box:focus-within{border-color:var(--blue-400);box-shadow:0 0 0 4px rgba(96,165,250,.15);width:240px;}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:.9rem;}
.search-box i{color:var(--text-muted);font-size:.85rem;}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;height:42px;padding:0 22px;border-radius:999px;
  background:var(--dark-900);color:#fff;font-weight:700;font-size:.92rem;
  transition:background .25s,transform .2s,box-shadow .25s;white-space:nowrap;
}
.header-cta:hover{background:var(--blue-600);transform:translateY(-2px);box-shadow:var(--shadow-md);}
.nav-toggle{display:none;background:transparent;border:0;font-size:1.4rem;color:var(--dark-900);cursor:pointer;padding:6px;}
/* ========== 内页 Banner ========== */
.page-banner{
  position:relative;margin-top:var(--header-h);padding:96px 0 88px;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  display:flex;align-items:center;overflow:hidden;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(11,19,43,.92) 20%,rgba(17,28,60,.72) 55%,rgba(37,99,235,.55));
}
.page-banner .banner-content{position:relative;z-index:2;color:#fff;}
.breadcrumb{display:flex;align-items:center;gap:10px;font-size:.9rem;color:rgba(255,255,255,.75);margin-bottom:20px;flex-wrap:wrap;}
.breadcrumb a{color:rgba(255,255,255,.9);transition:color .2s;}
.breadcrumb a:hover{color:var(--blue-400);}
.breadcrumb i{font-size:.65rem;color:rgba(255,255,255,.5);}
.banner-title{font-size:2.9rem;line-height:1.2;font-weight:800;letter-spacing:-.5px;margin-bottom:18px;max-width:720px;}
.banner-title span{color:var(--blue-400);}
.banner-desc{font-size:1.12rem;color:rgba(255,255,255,.85);max-width:620px;line-height:1.8;margin-bottom:30px;}
.banner-tags{display:flex;gap:12px;flex-wrap:wrap;}
.banner-tags span{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.22);padding:6px 16px;border-radius:999px;
  font-size:.85rem;backdrop-filter:blur(4px);
}
.banner-tags i{color:var(--blue-400);}
/* ========== 板块通用 ========== */
.section{padding:var(--space-section) 0;}
.section-alt{background:#fff;}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px;}
.section-eyebrow{display:inline-block;font-size:.85rem;font-weight:700;letter-spacing:1px;color:var(--blue-600);background:var(--blue-100);padding:5px 16px;border-radius:999px;margin-bottom:14px;}
.section-title{font-size:2.15rem;font-weight:800;line-height:1.3;color:var(--dark-900);margin-bottom:14px;}
.section-subtitle{font-size:1.02rem;color:var(--text-muted);line-height:1.75;}
/* ========== 登录方式卡片 ========== */
.login-cards{margin:-20px;}
.login-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:38px 30px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .3s,box-shadow .3s,border-color .3s;position:relative;overflow:hidden;
}
.login-card::after{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;
  background:linear-gradient(90deg,var(--blue-600),var(--blue-400));
  opacity:0;transition:opacity .3s;border-radius:var(--radius-lg) var(--radius-lg) 0 0;
}
.login-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-lg);border-color:rgba(96,165,250,.4);}
.login-card:hover::after{opacity:1;}
.login-icon{
  width:64px;height:64px;border-radius:16px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--blue-600),var(--blue-400));
  color:#fff;font-size:1.6rem;margin-bottom:22px;box-shadow:0 8px 18px rgba(37,99,235,.25);
}
.login-card:nth-child(2) .login-icon,.login-card:nth-child(4) .login-icon{background:linear-gradient(135deg,var(--dark-800),var(--blue-600));}
.login-card h3{font-size:1.25rem;font-weight:800;color:var(--dark-900);margin-bottom:12px;}
.login-card p{font-size:.95rem;color:var(--text-muted);line-height:1.75;}
.login-card .tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.login-card .tag-list span{
  font-size:.78rem;font-weight:600;color:var(--blue-600);background:var(--blue-100);
  padding:4px 12px;border-radius:999px;
}
/* ========== 登录步骤 ========== */
.steps-wrapper{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
}
.steps-left .section-head{text-align:left;margin:0 0 32px;}
.step-item{display:flex;gap:20px;padding:24px 0;border-bottom:1px dashed var(--border);}
.step-item:last-of-type{border-bottom:0;}
.step-num{
  flex-shrink:0;width:50px;height:50px;border-radius:14px;
  background:linear-gradient(135deg,var(--dark-800),var(--blue-600));
  color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;
  box-shadow:0 6px 16px rgba(17,28,60,.2);
}
.step-content h4{font-size:1.1rem;font-weight:800;color:var(--dark-900);margin-bottom:6px;}
.step-content p{font-size:.93rem;color:var(--text-muted);line-height:1.7;}
.steps-right{position:relative;padding-left:24px;}
.steps-right::before{
  content:"";position:absolute;left:0;top:20%;bottom:20%;width:3px;border-radius:999px;
  background:linear-gradient(180deg,var(--blue-400),var(--dark-800));
}
.steps-data{
  position:absolute;bottom:-24px;right:-12px;background:#fff;border-radius:var(--radius-lg);
  padding:20px 26px;box-shadow:var(--shadow-lg);border:1px solid var(--border);
  display:flex;gap:28px;align-items:center;z-index:3;
}
.steps-data .data-item{text-align:center;}
.steps-data .data-num{font-size:1.7rem;font-weight:800;color:var(--blue-600);}
.steps-data .data-label{font-size:.8rem;color:var(--text-muted);}
.steps-image{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg);}
.steps-image img{width:100%;height:420px;object-fit:cover;}
/* ========== 安全提示 ========== */
.safety-section{background:var(--dark-900);color:#fff;}
.safety-section .section-title{color:#fff;}
.safety-section .section-subtitle{color:rgba(255,255,255,.7);}
.safety-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.safety-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--radius-lg);padding:30px 24px;transition:background .3s,transform .3s,border-color .3s;
}
.safety-card:hover{background:rgba(255,255,255,.1);transform:translateY(-6px);border-color:rgba(96,165,250,.4);}
.safety-card .safety-icon{
  width:56px;height:56px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(96,165,250,.16);color:var(--blue-400);font-size:1.4rem;margin-bottom:18px;
}
.safety-card h4{font-size:1.05rem;font-weight:800;margin-bottom:10px;color:#fff;}
.safety-card p{font-size:.88rem;color:rgba(255,255,255,.66);line-height:1.7;}
/* ========== 平台兼容 ========== */
.platform-row{display:flex;justify-content:center;flex-wrap:wrap;gap:18px;margin-top:-10px;}
.platform-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:14px 26px;display:flex;align-items:center;gap:10px;font-size:.95rem;font-weight:600;color:var(--text-main);
  box-shadow:var(--shadow-sm);transition:transform .25s,box-shadow .25s,border-color .25s;
}
.platform-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:var(--blue-400);}
.platform-item i{color:var(--blue-500);font-size:1.2rem;}
/* ========== FAQ ========== */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-list{border-top:1px solid var(--border);}
.faq-list .accordion-item{border-bottom:1px solid var(--border);background:#fff;border-radius:0;box-shadow:none;margin-bottom:0;}
.faq-list .accordion-title{
  padding:22px 28px;font-size:1.05rem;font-weight:700;color:var(--dark-900);background:#fff;
  border-radius:0;position:relative;transition:color .25s,background .25s;display:block;
}
.faq-list .accordion-title::before{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:26px;top:50%;transform:translateY(-50%);font-size:.9rem;color:var(--blue-500);
  transition:transform .3s;
}
.faq-list .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(180deg);color:var(--blue-600);}
.faq-list .accordion-title:hover{background:#f8fafc;color:var(--blue-600);}
.faq-list .accordion-content{
  padding:0 28px 24px;color:var(--text-muted);font-size:.95rem;line-height:1.75;background:#fff;
  border-top:1px dashed var(--border);
}
.faq-list .accordion-item.is-active{border-color:rgba(96,165,250,.4);box-shadow:0 4px 14px rgba(15,23,42,.04);}
.faq-list .accordion-item:hover{box-shadow:0 4px 14px rgba(15,23,42,.05);}
/* ========== CTA ========== */
.cta-box{
  background:linear-gradient(135deg,var(--dark-900),var(--dark-700) 60%,var(--blue-600));
  border-radius:24px;padding:60px 50px;display:flex;align-items:center;justify-content:space-between;gap:40px;
  position:relative;overflow:hidden;flex-wrap:wrap;
}
.cta-box::before{
  content:"";position:absolute;width:300px;height:300px;border-radius:50%;
  background:rgba(96,165,250,.18);top:-120px;right:-80px;filter:blur(30px);
}
.cta-text{position:relative;z-index:2;flex:1;min-width:280px;}
.cta-text h3{color:#fff;font-size:1.8rem;font-weight:800;margin-bottom:14px;}
.cta-text p{color:rgba(255,255,255,.72);font-size:1rem;line-height:1.75;max-width:520px;}
.cta-action{position:relative;z-index:2;display:flex;gap:16px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;gap:10px;padding:14px 30px;border-radius:999px;
  font-size:.98rem;font-weight:700;transition:all .25s;cursor:pointer;border:0;white-space:nowrap;
}
.btn-light{background:#fff;color:var(--dark-900);box-shadow:0 6px 20px rgba(0,0,0,.15);}
.btn-light:hover{background:var(--blue-100);transform:translateY(-3px);box-shadow:0 12px 28px rgba(0,0,0,.2);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35);}
.btn-ghost:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.6);transform:translateY(-3px);}
/* ========== 页脚 ========== */
.site-footer{background:var(--dark-900);color:rgba(255,255,255,.75);padding:64px 0 30px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;margin-bottom:44px;}
.footer-brand .logo-text{color:#fff;font-size:1.4rem;margin-bottom:16px;display:inline-flex;}
.footer-brand p{font-size:.9rem;color:rgba(255,255,255,.58);line-height:1.75;margin-top:14px;max-width:320px;}
.footer-col h5{color:#fff;font-size:1rem;font-weight:700;margin-bottom:20px;letter-spacing:.5px;}
.footer-col ul li{margin-bottom:12px;}
.footer-col ul li a{font-size:.9rem;color:rgba(255,255,255,.65);transition:color .2s,padding-left .2s;display:inline-flex;align-items:center;gap:6px;}
.footer-col ul li a:hover{color:var(--blue-400);padding-left:4px;}
.footer-col ul li a i{font-size:.7rem;color:var(--blue-400);}
.footer-contact li{display:flex;align-items:center;gap:10px;font-size:.9rem;color:rgba(255,255,255,.6);}
.footer-contact i{color:var(--blue-400);font-size:.95rem;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding-top:26px;
  display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:.85rem;color:rgba(255,255,255,.45);
}
/* ========== 响应式断点 ========== */
@media(max-width:1024px){
  :root{--space-section:64px;}
  .search-box{width:170px;}
  .search-box:focus-within{width:190px;}
  .main-nav ul li a{padding:8px 12px;font-size:.88rem;}
  .steps-wrapper{grid-template-columns:1fr;gap:44px;}
  .steps-data{position:static;margin-top:24px;}
  .safety-grid{grid-template-columns:repeat(2,1fr);}
}
@media(max-width:800px){
  .main-nav{
    position:fixed;top:var(--header-h);left:0;width:100%;background:#fff;
    box-shadow:var(--shadow-md);border-radius:0 0 18px 18px;padding:16px 24px;
    transform:translateY(-140%);opacity:0;pointer-events:none;transition:transform .35s,opacity .3s;z-index:998;
  }
  .main-nav.open{transform:translateY(0);opacity:1;pointer-events:auto;}
  .main-nav ul{flex-direction:column;align-items:flex-start;gap:4px;}
  .main-nav ul li{width:100%;}
  .main-nav ul li a{border-radius:10px;padding:12px 16px;width:100%;}
  .nav-toggle{display:block;}
  .search-box{display:none;}
  .header-cta{height:38px;padding:0 16px;font-size:.85rem;}
  .banner-title{font-size:2.1rem;}
  .page-banner{padding:72px 0 64px;}
  .steps-right{padding-left:0;}
  .steps-right::before{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-box{padding:40px 28px;}
}
@media(max-width:520px){
  .container{padding:0 18px;}
  .banner-title{font-size:1.7rem;}
  .banner-desc{font-size:.98rem;}
  .section-title{font-size:1.6rem;}
  .login-card{padding:28px 22px;}
  .safety-grid{grid-template-columns:1fr;}
  .steps-data{flex-wrap:wrap;gap:14px;}
  .steps-data .data-item{flex:1;min-width:80px;}
  .steps-image img{height:280px;}
  .platform-item{width:100%;justify-content:center;}
  .cta-box{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center;}
  .faq-list .accordion-title{padding:18px 20px;font-size:.95rem;}
  .faq-list .accordion-content{padding:0 20px 20px;}
}

/* roulang page: category3 */
:root{
  --primary:#0a1a33;
  --primary-2:#122a4c;
  --accent:#2563eb;
  --accent-2:#60a5fa;
  --bg:#f5f7fb;
  --white:#ffffff;
  --text:#14213d;
  --text-2:#5e6e8c;
  --border:#e3eaf3;
  --radius:16px;
  --radius-sm:10px;
  --shadow:0 12px 32px rgba(10,26,51,.10);
  --shadow-sm:0 4px 14px rgba(10,26,51,.06);
  --tr:all .3s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;line-height:1.7;color:var(--text);background:var(--bg);padding-top:72px}
a{text-decoration:none;color:inherit;transition:var(--tr)}
img{max-width:100%;display:block}
button{cursor:pointer;font-family:inherit}
input{font-family:inherit;outline:none}
ul,ol{list-style:none}
.container{max-width:1220px;margin:0 auto;padding:0 24px}

/* Header */
.site-header{position:fixed;top:0;left:0;width:100%;z-index:1000;background:rgba(255,255,255,.92);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);box-shadow:0 2px 12px rgba(10,26,51,.04)}
.header-inner{display:flex;align-items:center;height:72px;gap:20px}
.logo-text{display:flex;align-items:center;gap:10px;font-size:23px;font-weight:800;color:var(--primary);letter-spacing:-.3px;white-space:nowrap}
.logo-text i{font-size:25px;color:var(--accent)}
.main-nav{flex:1;display:flex;justify-content:center}
.main-nav ul{display:flex;gap:6px}
.main-nav ul li a{display:block;padding:9px 18px;border-radius:999px;font-size:15px;font-weight:500;color:var(--text-2);line-height:1.4}
.main-nav ul li a:hover{color:var(--primary);background:#f0f5fc}
.main-nav ul li a.active{color:var(--accent);background:rgba(37,99,235,.08);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;background:#f0f4fa;border-radius:999px;padding:8px 16px;gap:9px;border:1px solid transparent;transition:var(--tr);width:210px}
.search-box:focus-within{border-color:var(--accent);background:var(--white);box-shadow:0 0 0 4px rgba(37,99,235,.08)}
.search-box i{color:#93a5bd;font-size:14px}
.search-box input{border:none;background:transparent;font-size:14px;color:var(--text);width:100%}
.hamburger{display:none;flex-direction:column;justify-content:center;gap:5px;width:42px;height:42px;background:#f0f4fa;border:none;border-radius:12px;padding:0 10px}
.hamburger span{display:block;height:2px;background:var(--text);border-radius:2px;transition:var(--tr)}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:10px 22px;border-radius:999px;font-size:15px;font-weight:600;transition:var(--tr);border:2px solid transparent;line-height:1.5}
.btn-sm{padding:7px 16px;font-size:14px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#1d4fc4;transform:translateY(-2px);box-shadow:0 10px 24px rgba(37,99,235,.3)}
.btn-light{background:#fff;color:var(--primary);border-color:var(--border)}
.btn-light:hover{background:#f0f4fc;border-color:var(--accent);color:var(--accent)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.btn-outline-light:hover{background:#fff;color:var(--primary);border-color:#fff}
.btn-accent{background:linear-gradient(135deg,#2563eb,#3b82f6);color:#fff;padding:14px 30px;font-size:16px}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(37,99,235,.35)}
.btn-white{background:#fff;color:var(--primary);padding:14px 30px;font-size:16px}
.btn-white:hover{background:#f0f4ff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.1)}

/* Page Hero */
.page-hero{position:relative;padding:130px 0 100px;background-size:cover;background-position:center;background-repeat:no-repeat;min-height:480px;display:flex;align-items:center}
.page-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(10,26,51,.94) 0%,rgba(18,42,76,.82) 50%,rgba(37,99,235,.55) 100%)}
.hero-inner{position:relative;z-index:2;color:#fff;width:100%}
.hero-breadcrumb{display:flex;align-items:center;gap:12px;font-size:14px;margin-bottom:20px;color:rgba(255,255,255,.75)}
.hero-breadcrumb a{color:#bfdbfe}
.hero-breadcrumb a:hover{color:#fff}
.hero-breadcrumb i{font-size:12px}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);backdrop-filter:blur(6px);padding:7px 16px;border-radius:999px;font-size:13px;font-weight:500;color:#dbeafe;margin-bottom:20px}
.hero-tag i{color:var(--accent-2)}
.hero-title{font-size:52px;line-height:1.15;font-weight:800;letter-spacing:-1px;margin-bottom:18px;max-width:760px}
.hero-desc{font-size:17px;line-height:1.8;color:rgba(255,255,255,.85);max-width:640px;margin-bottom:32px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* Section Common */
.section{padding:88px 0}
.section-alt{background:var(--white)}
.section-head{text-align:center;max-width:760px;margin:0 auto 52px}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(37,99,235,.08);color:var(--accent);padding:6px 16px;border-radius:999px;font-size:13px;font-weight:600;margin-bottom:14px}
.section-tag i{font-size:14px}
.section-title{font-size:36px;font-weight:800;line-height:1.3;color:var(--primary);letter-spacing:-.5px;margin-bottom:14px}
.section-sub{font-size:16px;color:var(--text-2);line-height:1.8}

/* News Cards */
.news-card{background:var(--white);border-radius:var(--radius);overflow:hidden;border:1px solid var(--border);transition:var(--tr);height:100%;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-6px);box-shadow:var(--shadow);border-color:#d3e0f2}
.news-card-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:#eef2f8}
.news-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.news-card:hover .news-card-thumb img{transform:scale(1.05)}
.news-tag{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.92);color:var(--accent);padding:4px 14px;border-radius:999px;font-size:12px;font-weight:600;backdrop-filter:blur(6px)}
.news-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1}
.news-date{display:flex;align-items:center;gap:8px;font-size:13px;color:#8899b3;margin-bottom:10px}
.news-date i{font-size:14px}
.news-card-title{font-size:18px;font-weight:700;line-height:1.55;color:var(--text);margin-bottom:10px}
.news-card-title a:hover{color:var(--accent)}
.news-card-excerpt{font-size:14px;color:var(--text-2);line-height:1.75;margin-bottom:18px;flex:1}
.news-card-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent)}
.news-card-link i{transition:transform .3s ease}
.news-card-link:hover i{transform:translateX(4px)}

/* Timeline */
.timeline-wrap{max-width:900px;margin:0 auto;position:relative}
.timeline-wrap::before{content:'';position:absolute;left:28px;top:0;bottom:0;width:3px;background:linear-gradient(180deg,var(--accent),var(--accent-2),rgba(96,165,250,.1))}
.tl-item{position:relative;padding-left:86px;margin-bottom:42px}
.tl-item:last-child{margin-bottom:0}
.tl-dot{position:absolute;left:15px;top:6px;width:30px;height:30px;border-radius:50%;background:var(--white);border:3px solid var(--accent);display:flex;align-items:center;justify-content:center;z-index:2}
.tl-dot i{font-size:12px;color:var(--accent)}
.tl-card{background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:24px 28px;box-shadow:var(--shadow-sm);transition:var(--tr)}
.tl-card:hover{box-shadow:var(--shadow);transform:translateY(-3px)}
.tl-year{display:inline-flex;align-items:center;background:rgba(37,99,235,.08);color:var(--accent);font-size:13px;font-weight:700;padding:4px 14px;border-radius:999px;margin-bottom:10px}
.tl-card h4{font-size:18px;font-weight:700;margin-bottom:8px;color:var(--primary)}
.tl-card p{font-size:14px;color:var(--text-2);line-height:1.75}

/* Feature cards */
.feature-grid .cell{margin-bottom:24px}
.feature-card{background:var(--bg);border:1px solid var(--border);border-radius:var(--radius);padding:34px 28px;height:100%;transition:var(--tr)}
.feature-card:hover{background:var(--white);box-shadow:var(--shadow);transform:translateY(-5px);border-color:#cfe0f5}
.feature-icon{width:60px;height:60px;border-radius:16px;background:linear-gradient(135deg,var(--accent),var(--accent-2));display:flex;align-items:center;justify-content:center;color:#fff;font-size:24px;margin-bottom:20px;box-shadow:0 8px 20px rgba(37,99,235,.25)}
.feature-card h3{font-size:18px;font-weight:700;margin-bottom:10px;color:var(--primary)}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.75}

/* Stats */
.stats-section{position:relative;background-size:cover;background-position:center;padding:84px 0;color:#fff}
.stats-section::before{content:'';position:absolute;inset:0;background:linear-gradient(110deg,rgba(10,26,51,.95),rgba(14,32,61,.88))}
.stats-inner{position:relative;z-index:2}
.stats-title{text-align:center;font-size:34px;font-weight:800;margin-bottom:14px}
.stats-sub{text-align:center;color:rgba(255,255,255,.75);font-size:16px;margin-bottom:52px}
.stats-grid{display:flex;flex-wrap:wrap;gap:28px;justify-content:center}
.stat-item{flex:1 1 180px;max-width:240px;text-align:center;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.15);backdrop-filter:blur(8px);border-radius:var(--radius);padding:32px 20px;transition:var(--tr)}
.stat-item:hover{background:rgba(255,255,255,.14);transform:translateY(-4px)}
.stat-num{font-size:42px;font-weight:800;line-height:1.2;color:#fff}
.stat-num span{color:var(--accent-2)}
.stat-label{font-size:14px;color:rgba(255,255,255,.75);margin-top:8px}

/* News List */
.news-list-item{display:flex;gap:20px;background:var(--white);border:1px solid var(--border);border-radius:var(--radius);padding:20px;transition:var(--tr);align-items:center;margin-bottom:18px}
.news-list-item:hover{box-shadow:var(--shadow);transform:translateY(-3px);border-color:#cfe0f5}
.news-list-thumb{width:200px;height:130px;border-radius:12px;overflow:hidden;flex-shrink:0;background:#eef2f8}
.news-list-thumb img{width:100%;height:100%;object-fit:cover}
.news-list-body{flex:1}
.news-list-tags{display:flex;gap:10px;margin-bottom:6px;flex-wrap:wrap}
.news-list-tags span{font-size:12px;font-weight:600;color:var(--accent);background:rgba(37,99,235,.06);padding:3px 12px;border-radius:999px}
.news-list-tags span.tag-gray{color:#66788f;background:#f0f3f8}
.news-list-body h4{font-size:17px;font-weight:700;margin-bottom:6px;color:var(--text)}
.news-list-body h4 a:hover{color:var(--accent)}
.news-list-body p{font-size:14px;color:var(--text-2);line-height:1.6;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-list-meta{display:flex;align-items:center;gap:16px;margin-top:10px;font-size:13px;color:#8899b3}
.news-list-meta i{font-size:13px;margin-right:4px}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:14px;margin-bottom:14px;overflow:hidden;transition:var(--tr)}
.faq-item:hover{border-color:#cfe0f5}
.faq-q{display:flex;justify-content:space-between;align-items:center;width:100%;padding:20px 24px;background:none;border:none;text-align:left;font-size:16px;font-weight:600;color:var(--text);gap:16px}
.faq-icon{width:28px;height:28px;flex-shrink:0;border-radius:8px;background:rgba(37,99,235,.08);display:flex;align-items:center;justify-content:center;transition:var(--tr)}
.faq-icon i{font-size:13px;color:var(--accent)}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--accent)}
.faq-item.open .faq-icon i{color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;padding:0 24px}
.faq-a-inner{padding-bottom:22px;font-size:14px;color:var(--text-2);line-height:1.8}
.faq-item.open .faq-a{max-height:280px}

/* CTA */
.cta-section{position:relative;background-size:cover;background-position:center;padding:90px 0;color:#fff;text-align:center}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(115deg,rgba(10,26,51,.92),rgba(37,99,235,.72))}
.cta-inner{position:relative;z-index:2;max-width:760px;margin:0 auto}
.cta-tag{display:inline-block;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.25);padding:6px 18px;border-radius:999px;font-size:13px;margin-bottom:20px;backdrop-filter:blur(6px)}
.cta-title{font-size:38px;font-weight:800;line-height:1.3;margin-bottom:16px}
.cta-desc{font-size:16px;color:rgba(255,255,255,.85);margin-bottom:34px;line-height:1.8}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}

/* Footer */
.site-footer{background:#081426;color:#9aabc0;padding:70px 0 0;position:relative;overflow:hidden}
.site-footer::before{content:'';position:absolute;top:0;left:0;right:0;height:1px;background:linear-gradient(90deg,transparent,rgba(96,165,250,.4),transparent)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:44px;padding-bottom:50px}
.footer-brand .logo-text{color:#fff;font-size:22px;margin-bottom:16px}
.footer-brand .logo-text i{color:var(--accent-2)}
.footer-brand p{font-size:14px;line-height:1.8;color:#8fa1bc}
.footer-col h5{color:#fff;font-size:16px;font-weight:700;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:#8fa1bc;font-size:14px;transition:var(--tr);display:inline-flex;align-items:center;gap:7px}
.footer-col ul li a i{font-size:13px;color:#4a5d76;transition:var(--tr)}
.footer-col ul li a:hover{color:var(--accent-2)}
.footer-col ul li a:hover i{transform:translateX(3px);color:var(--accent-2)}
.footer-contact li{display:flex;align-items:center;gap:10px;color:#8fa1bc;font-size:14px}
.footer-contact li i{color:var(--accent-2);width:16px;text-align:center;font-size:14px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.07);padding:24px 0;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:10px}
.footer-bottom span{font-size:13px;color:#5e7190}

/* Focus & Accessibility */
a:focus-visible,.btn:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(37,99,235,.4);outline-offset:2px;border-radius:8px}

/* Responsive */
@media (max-width:1024px){
  .search-box{width:170px}
  .main-nav ul li a{padding:8px 14px;font-size:14px}
  .footer-grid{grid-template-columns:1fr 1fr 1fr}
}
@media (max-width:820px){
  .header-inner{flex-wrap:wrap;height:auto;padding:14px 0;row-gap:10px}
  .hamburger{display:flex}
  .main-nav{display:none;width:100%;order:3;flex-direction:column;background:#fff;border-radius:14px;box-shadow:var(--shadow);padding:14px;border:1px solid var(--border)}
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:4px}
  .main-nav ul li a{padding:12px 16px;border-radius:10px}
  .header-actions{margin-left:auto}
  .search-box{display:none}
  body{padding-top:64px}
  .page-hero{padding:80px 0 64px}
  .hero-title{font-size:36px}
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .stats-grid{gap:18px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero-title{font-size:30px}
  .hero-desc{font-size:15px}
  .section-title{font-size:25px}
  .news-list-item{flex-direction:column;align-items:flex-start}
  .news-list-thumb{width:100%;height:180px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .stats-grid .stat-item{flex:1 1 100%;max-width:100%}
  .tl-item{padding-left:62px}
  .timeline-wrap::before{left:20px}
  .tl-dot{left:9px}
  .btn{padding:10px 18px;font-size:14px}
}