/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #d4001d;
            --primary-light: #ff1a36;
            --primary-dark: #a00014;
            --secondary: #1a1a2e;
            --accent: #f5c518;
            --accent-light: #ffe57f;
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-muted: #eef0f5;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8a8aaa;
            --text-light: #f0f0f5;
            --border-color: #e2e4ee;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
            --shadow-hover: 0 12px 36px rgba(212,0,29,0.18);
            --font-base: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --transition: 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --header-height: 76px;
        }

        /* ===== 基础 Reset ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: 1rem; border: none; outline: none; }
        button { cursor: pointer; background: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.7rem); }
        h4 { font-size: 1.2rem; }
        p { margin-bottom: 0.8rem; color: var(--text-secondary); }
        .container { max-width: var(--container-max); margin: 0 auto; padding: 0 24px; width: 100%; }

        /* ===== 导航 ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-color);
            height: var(--header-height);
            display: flex; align-items: center;
            box-shadow: 0 1px 4px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            width: 100%; max-width: var(--container-max); margin: 0 auto; padding: 0 24px;
        }
        .logo {
            font-size: 1.5rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.5px; display: flex; align-items: center; gap: 8px;
            white-space: nowrap;
        }
        .logo i { font-size: 1.3rem; color: var(--primary); }
        .logo span { color: var(--secondary); }
        .nav-menu { display: flex; align-items: center; gap: 6px; }
        .nav-menu a {
            padding: 8px 18px; border-radius: var(--radius-sm);
            font-weight: 600; font-size: 0.92rem; color: var(--text-secondary);
            transition: all var(--transition); position: relative;
        }
        .nav-menu a:hover { color: var(--primary); background: rgba(212,0,29,0.06); }
        .nav-menu a.active { color: var(--primary); background: rgba(212,0,29,0.10); }
        .nav-cta {
            background: var(--primary) !important; color: #fff !important;
            padding: 10px 26px !important; border-radius: 50px !important;
            font-weight: 700 !important; box-shadow: 0 4px 14px rgba(212,0,29,0.30);
            transition: all var(--transition) !important;
        }
        .nav-cta:hover { background: var(--primary-dark) !important; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(212,0,29,0.40) !important; }
        .nav-toggle { display: none; font-size: 1.6rem; color: var(--text-primary); padding: 4px 8px; }
        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-menu {
                display: none; position: absolute; top: var(--header-height); left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(14px);
                flex-direction: column; padding: 16px 24px; gap: 4px;
                border-bottom: 1px solid var(--border-color); box-shadow: var(--shadow-md);
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
            .nav-cta { text-align: center; margin-top: 8px; }
        }
        @media (min-width: 769px) {
            .nav-menu { display: flex !important; }
        }

        /* ===== Hero 首屏 ===== */
        .hero {
            position: relative; min-height: 86vh;
            display: flex; align-items: center; justify-content: center;
            background: linear-gradient(135deg, var(--secondary) 0%, #2a2a4a 60%, var(--primary-dark) 100%);
            overflow: hidden; isolation: isolate;
        }
        .hero-bg {
            position: absolute; inset: 0; z-index: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.20; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0; z-index: 1;
            background: radial-gradient(ellipse at 30% 40%, rgba(212,0,29,0.25) 0%, transparent 70%);
        }
        .hero-content {
            position: relative; z-index: 2; text-align: center;
            max-width: 820px; padding: 60px 24px;
        }
        .hero-badge {
            display: inline-block; background: rgba(255,255,255,0.12); backdrop-filter: blur(6px);
            padding: 6px 22px; border-radius: 50px; font-size: 0.85rem; font-weight: 600;
            color: var(--accent-light); letter-spacing: 0.5px; margin-bottom: 24px;
            border: 1px solid rgba(255,255,255,0.15);
        }
        .hero h1 { color: #fff; margin-bottom: 20px; text-shadow: 0 2px 20px rgba(0,0,0,0.3); }
        .hero h1 .highlight { color: var(--accent); }
        .hero p {
            font-size: 1.15rem; color: rgba(255,255,255,0.80);
            max-width: 640px; margin: 0 auto 36px; line-height: 1.8;
        }
        .hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .btn-primary, .btn-secondary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 14px 36px; border-radius: 50px; font-weight: 700; font-size: 1rem;
            transition: all var(--transition); cursor: pointer;
        }
        .btn-primary {
            background: var(--primary); color: #fff;
            box-shadow: 0 6px 24px rgba(212,0,29,0.40);
        }
        .btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 36px rgba(212,0,29,0.50); color: #fff; }
        .btn-secondary {
            background: rgba(255,255,255,0.12); color: #fff;
            border: 1.5px solid rgba(255,255,255,0.30); backdrop-filter: blur(4px);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.22); transform: translateY(-3px); color: #fff; }
        .hero-stats {
            display: flex; gap: 40px; justify-content: center; margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2.2rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-top: 4px; }
        @media (max-width: 640px) {
            .hero { min-height: 70vh; }
            .hero-stats { gap: 24px; }
            .hero-stat .num { font-size: 1.6rem; }
        }

        /* ===== 板块通用 ===== */
        .section { padding: 84px 0; }
        .section-alt { background: var(--bg-muted); }
        .section-dark { background: var(--bg-dark); color: var(--text-light); }
        .section-dark h2, .section-dark h3, .section-dark p { color: var(--text-light); }
        .section-dark .text-muted { color: rgba(255,255,255,0.60); }
        .section-title {
            text-align: center; margin-bottom: 52px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { max-width: 600px; margin: 0 auto; color: var(--text-muted); font-size: 1.05rem; }
        .section-title .subtitle { display: inline-block; background: rgba(212,0,29,0.08); color: var(--primary); padding: 4px 16px; border-radius: 50px; font-size: 0.85rem; font-weight: 600; margin-bottom: 12px; }

        /* ===== Grid 卡片系统 ===== */
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
        @media (max-width: 1024px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .grid-3 { grid-template-columns: 1fr 1fr; gap: 20px; }
            .grid-2 { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .grid-3, .grid-4 { grid-template-columns: 1fr; }
        }

        .card {
            background: var(--bg-card); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-color);
            padding: 28px 24px; transition: all var(--transition);
            display: flex; flex-direction: column;
        }
        .card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); border-color: transparent; }
        .card-icon { font-size: 2.2rem; color: var(--primary); margin-bottom: 16px; }
        .card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .card p { font-size: 0.92rem; color: var(--text-muted); flex: 1; margin-bottom: 16px; }
        .card-link { font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; font-size: 0.92rem; }
        .card-link i { transition: transform var(--transition); }
        .card-link:hover i { transform: translateX(4px); }

        /* ===== 特色卡片 - 图文 ===== */
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-color);
            overflow: hidden; transition: all var(--transition);
            display: flex; flex-direction: column;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
        .feature-card .fc-img {
            width: 100%; height: 200px; object-fit: cover;
            border-bottom: 1px solid var(--border-color);
        }
        .feature-card .fc-body { padding: 22px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .feature-card .fc-body h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .feature-card .fc-body p { font-size: 0.90rem; color: var(--text-muted); flex: 1; margin-bottom: 12px; }
        .feature-card .fc-meta { display: flex; justify-content: space-between; align-items: center; font-size: 0.82rem; color: var(--text-muted); border-top: 1px solid var(--border-color); padding-top: 14px; margin-top: auto; }
        .feature-card .tag {
            display: inline-block; background: rgba(212,0,29,0.08); color: var(--primary);
            padding: 2px 14px; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
        }

        /* ===== 数字统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        .stat-item { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.05); border-radius: var(--radius-md); border: 1px solid rgba(255,255,255,0.08); }
        .stat-item .num { font-size: 2.8rem; font-weight: 800; color: var(--accent); line-height: 1.1; }
        .stat-item .label { font-size: 0.92rem; color: rgba(255,255,255,0.65); margin-top: 8px; }
        @media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
        @media (max-width: 520px) { .stats-grid { grid-template-columns: 1fr 1fr; } }

        /* ===== 流程 / 时间线 ===== */
        .flow-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
        .flow-step { background: var(--bg-card); border-radius: var(--radius-md); padding: 32px 28px; text-align: center; box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); position: relative; transition: all var(--transition); }
        .flow-step:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .flow-step .step-num { width: 48px; height: 48px; background: var(--primary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 1.2rem; margin: 0 auto 18px; }
        .flow-step h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .flow-step p { font-size: 0.90rem; color: var(--text-muted); margin-bottom: 0; }
        @media (max-width: 768px) { .flow-grid { grid-template-columns: 1fr; gap: 20px; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item { background: var(--bg-card); border-radius: var(--radius-md); box-shadow: var(--shadow-sm); border: 1px solid var(--border-color); overflow: hidden; transition: all var(--transition); }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-q {
            padding: 20px 24px; font-weight: 700; font-size: 1.02rem; color: var(--text-primary);
            display: flex; justify-content: space-between; align-items: center; cursor: pointer;
            transition: background var(--transition); user-select: none;
        }
        .faq-q:hover { background: rgba(212,0,29,0.03); }
        .faq-q i { color: var(--primary); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-q i { transform: rotate(180deg); }
        .faq-a {
            max-height: 0; overflow: hidden; transition: max-height 0.40s ease, padding 0.30s ease;
            padding: 0 24px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-item.open .faq-a { max-height: 240px; padding: 0 24px 20px; }

        /* ===== CTA 区域 ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 72px 0; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 1; }
        .cta-section h2 { color: #fff; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; font-size: 1.05rem; }
        .cta-section .btn-primary { background: #fff; color: var(--primary); box-shadow: 0 6px 24px rgba(0,0,0,0.20); }
        .cta-section .btn-primary:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-3px); }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.70);
            padding: 48px 0 28px; border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
        .footer-brand .logo { color: #fff; margin-bottom: 12px; }
        .footer-brand .logo span { color: var(--accent); }
        .footer-brand p { font-size: 0.90rem; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.60); font-size: 0.90rem; padding: 4px 0; transition: color var(--transition); }
        .footer-col a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px; display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.45);
        }
        .footer-bottom a { color: rgba(255,255,255,0.55); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 最新资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            background: var(--bg-card); border-radius: var(--radius-md);
            border: 1px solid var(--border-color); padding: 20px 24px;
            display: flex; gap: 20px; align-items: flex-start;
            transition: all var(--transition);
        }
        .news-item:hover { transform: translateX(6px); box-shadow: var(--shadow-sm); border-color: var(--primary-light); }
        .news-item .thumb {
            width: 100px; height: 76px; border-radius: var(--radius-sm);
            object-fit: cover; flex-shrink: 0; background: var(--bg-muted);
        }
        .news-item .info { flex: 1; }
        .news-item .info h4 { font-size: 1.02rem; margin-bottom: 4px; }
        .news-item .info h4 a { color: var(--text-primary); }
        .news-item .info h4 a:hover { color: var(--primary); }
        .news-item .info p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .news-item .meta { font-size: 0.80rem; color: var(--text-muted); display: flex; gap: 14px; margin-top: 6px; }
        .news-item .meta .tag { background: rgba(212,0,29,0.07); color: var(--primary); padding: 1px 12px; border-radius: 50px; font-weight: 600; }
        @media (max-width: 520px) {
            .news-item { flex-direction: column; }
            .news-item .thumb { width: 100%; height: 140px; }
        }

        /* ===== 空状态 ===== */
        .empty-state { text-align: center; padding: 48px 24px; color: var(--text-muted); }
        .empty-state i { font-size: 3rem; color: var(--border-color); margin-bottom: 16px; }
        .empty-state p { font-size: 1rem; }

        /* ===== 内容板块间距 ===== */
        .mt-1 { margin-top: 12px; }
        .mt-2 { margin-top: 24px; }
        .mt-3 { margin-top: 40px; }
        .mb-1 { margin-bottom: 12px; }
        .mb-2 { margin-bottom: 24px; }
        .text-center { text-align: center; }

        /* ===== 分隔线 ===== */
        .divider { width: 60px; height: 4px; background: var(--primary); border-radius: 4px; margin: 12px auto 20px; }

        /* ===== 标签云 ===== */
        .tag-cloud { display: flex; flex-wrap: wrap; gap: 10px; justify-content: center; }
        .tag-cloud a {
            display: inline-block; padding: 6px 20px; border-radius: 50px;
            background: rgba(212,0,29,0.06); color: var(--text-secondary);
            font-size: 0.85rem; font-weight: 500; border: 1px solid var(--border-color);
            transition: all var(--transition);
        }
        .tag-cloud a:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateY(-2px); }

        /* ===== 响应式辅助 ===== */
        @media (max-width: 1024px) {
            .section { padding: 60px 0; }
        }
        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            .section-title { margin-bottom: 36px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-primary, .btn-secondary { width: 100%; justify-content: center; }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #E31E24;
            --primary-dark: #B81B1F;
            --primary-light: #FF4D52;
            --secondary: #1A1A2E;
            --secondary-light: #2D2D44;
            --accent: #FFD700;
            --accent-dark: #E6C200;
            --bg-white: #FFFFFF;
            --bg-light: #F5F7FA;
            --bg-dark: #0D0D1A;
            --text-dark: #1A1A2E;
            --text-muted: #6C757D;
            --text-light: #FFFFFF;
            --border-color: #E8ECF0;
            --border-radius: 12px;
            --border-radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.12);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --max-width: 1200px;
            --content-width: 860px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-dark);
            background: var(--bg-white);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover, a:focus { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--primary-light); outline-offset: 2px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--border-radius-sm); }
        p { margin-bottom: 1.2rem; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-dark); margin-bottom: 0.8rem; }
        ul, ol { margin-bottom: 1.2rem; padding-left: 1.5rem; }
        li { margin-bottom: 0.4rem; }
        button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; transition: var(--transition); }
        button { cursor: pointer; background: none; }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .content-container { max-width: var(--content-width); margin: 0 auto; padding: 0 24px; }

        /* ===== Header & Navigation ===== */
        .site-header {
            background: var(--bg-dark);
            border-bottom: 1px solid rgba(255,255,255,0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
            transition: var(--transition);
        }
        .logo i { color: var(--primary); font-size: 1.7rem; }
        .logo span { color: var(--accent); font-weight: 300; }
        .logo:hover { opacity: 0.9; }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text-light);
            padding: 8px;
            border-radius: var(--border-radius-sm);
            background: rgba(255,255,255,0.08);
        }
        .nav-toggle:hover { background: rgba(255,255,255,0.15); }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            color: rgba(255,255,255,0.75);
            padding: 10px 18px;
            border-radius: var(--border-radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover { color: var(--text-light); background: rgba(255,255,255,0.08); }
        .nav-menu a.active { color: var(--text-light); background: rgba(227,30,36,0.25); }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }
        .nav-menu a.nav-cta {
            background: var(--primary);
            color: var(--text-light);
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(227,30,36,0.35);
        }
        .nav-menu a.nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(227,30,36,0.45);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(13,13,26,0.92) 0%, rgba(30,30,60,0.88) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            color: var(--text-light);
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: 0; left: 0; right: 0; bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(227,30,36,0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .article-hero .content-container { position: relative; z-index: 1; }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255,255,255,0.6);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .breadcrumb a { color: rgba(255,255,255,0.7); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.4); }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--text-light);
            margin-bottom: 20px;
            line-height: 1.25;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            align-items: center;
            font-size: 0.95rem;
            color: rgba(255,255,255,0.7);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i { font-size: 0.9rem; }
        .article-meta .category-tag {
            background: var(--primary);
            color: var(--text-light);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* ===== Article Body ===== */
        .article-body-section {
            padding: 60px 0 40px;
            background: var(--bg-white);
        }
        .article-featured-image {
            margin-bottom: 40px;
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }
        .article-featured-image img { width: 100%; border-radius: var(--border-radius); }
        .article-content {
            font-size: 1.1rem;
            line-height: 1.9;
            color: var(--text-dark);
        }
        .article-content h2, .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--text-dark);
        }
        .article-content h2 { font-size: 1.8rem; border-bottom: 2px solid var(--border-color); padding-bottom: 0.5rem; }
        .article-content h3 { font-size: 1.4rem; }
        .article-content p { margin-bottom: 1.4rem; }
        .article-content ul, .article-content ol { margin-bottom: 1.4rem; }
        .article-content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.8rem 0;
            background: var(--bg-light);
            border-radius: 0 var(--border-radius-sm) var(--border-radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-content img { margin: 1.5rem 0; border-radius: var(--border-radius-sm); box-shadow: var(--shadow-sm); }

        /* ===== Tags & Share ===== */
        .article-tags-share {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 30px 0;
            margin-top: 30px;
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            background: var(--bg-light);
            color: var(--text-muted);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: var(--text-light); }
        .article-share {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .article-share span { font-size: 0.9rem; color: var(--text-muted); font-weight: 500; }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--bg-light);
            color: var(--text-muted);
            font-size: 1.1rem;
            transition: var(--transition);
        }
        .article-share a:hover { background: var(--primary); color: var(--text-light); transform: translateY(-3px); }

        /* ===== Author Info ===== */
        .author-info {
            display: flex;
            align-items: center;
            gap: 20px;
            padding: 28px;
            background: var(--bg-light);
            border-radius: var(--border-radius);
            margin: 32px 0;
        }
        .author-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 1.8rem;
            flex-shrink: 0;
        }
        .author-details h4 { font-size: 1.1rem; margin-bottom: 4px; }
        .author-details p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }

        /* ===== Prev / Next ===== */
        .prev-next-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            padding: 30px 0;
            margin: 20px 0;
            border-bottom: 1px solid var(--border-color);
        }
        .prev-next-nav a {
            flex: 1;
            min-width: 200px;
            padding: 20px 24px;
            background: var(--bg-light);
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .prev-next-nav a:hover { background: var(--bg-dark); color: var(--text-light); transform: translateY(-2px); box-shadow: var(--shadow-md); }
        .prev-next-nav .label { font-size: 0.8rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.5px; font-weight: 600; }
        .prev-next-nav .title { font-size: 1rem; font-weight: 600; color: var(--text-dark); }
        .prev-next-nav a:hover .title { color: var(--text-light); }
        .prev-next-nav a:hover .label { color: rgba(255,255,255,0.6); }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-light);
        }
        .related-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 36px;
            text-align: center;
        }
        .related-section h2 span { color: var(--primary); }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-white);
            border-radius: var(--border-radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .related-card .card-image {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body { padding: 22px 24px 26px; }
        .related-card .card-category {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .related-card .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-title a { color: var(--text-dark); }
        .related-card .card-title a:hover { color: var(--primary); }
        .related-card .card-meta { font-size: 0.85rem; color: var(--text-muted); display: flex; gap: 16px; }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-dark);
            background-image: linear-gradient(135deg, rgba(13,13,26,0.92) 0%, rgba(30,30,60,0.88) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            color: var(--text-light);
        }
        .cta-section h2 { font-size: 2.4rem; font-weight: 800; color: var(--text-light); margin-bottom: 16px; }
        .cta-section p { font-size: 1.15rem; color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 32px; }
        .cta-buttons { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
        .cta-buttons .btn-primary {
            background: var(--primary);
            color: var(--text-light);
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 6px 24px rgba(227,30,36,0.4);
            transition: var(--transition);
        }
        .cta-buttons .btn-primary:hover { background: var(--primary-dark); transform: translateY(-3px); box-shadow: 0 12px 40px rgba(227,30,36,0.55); }
        .cta-buttons .btn-secondary {
            background: transparent;
            color: var(--text-light);
            padding: 16px 40px;
            border-radius: 50px;
            font-size: 1.1rem;
            font-weight: 600;
            border: 2px solid rgba(255,255,255,0.3);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .cta-buttons .btn-secondary:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-3px); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.7);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.4rem; margin-bottom: 16px; color: var(--text-light); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); }
        .footer-brand a { color: rgba(255,255,255,0.6); font-size: 1.3rem; }
        .footer-brand a:hover { color: var(--primary); }
        .footer-col h4 { font-size: 1rem; font-weight: 600; color: var(--text-light); margin-bottom: 18px; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.4);
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
        }
        .not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
        .not-found-box h2 { font-size: 2rem; color: var(--text-dark); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-box a { color: var(--primary); font-weight: 600; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .article-hero h1 { font-size: 2.2rem; }
        }

        @media (max-width: 768px) {
            .nav-toggle { display: block; }
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: var(--bg-dark);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid rgba(255,255,255,0.06);
                box-shadow: var(--shadow-lg);
            }
            .nav-menu.open { display: flex; }
            .nav-menu a { width: 100%; padding: 14px 18px; }
            .nav-menu a.nav-cta { justify-content: center; margin-top: 8px; }
            .nav-menu a.active::after { display: none; }

            .article-hero { padding: 50px 0 40px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-meta { gap: 12px; font-size: 0.85rem; }

            .article-body-section { padding: 40px 0; }
            .article-content { font-size: 1rem; }

            .related-grid { grid-template-columns: 1fr; gap: 20px; }
            .related-section h2 { font-size: 1.6rem; }

            .cta-section { padding: 60px 0; }
            .cta-section h2 { font-size: 1.8rem; }

            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }

            .prev-next-nav { flex-direction: column; }
            .prev-next-nav a { min-width: auto; }

            .article-tags-share { flex-direction: column; align-items: flex-start; }

            .author-info { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .header-inner { height: 64px; }
            .logo { font-size: 1.2rem; }
            .logo i { font-size: 1.3rem; }
            .nav-toggle { font-size: 1.3rem; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-meta { gap: 8px; font-size: 0.8rem; }
            .cta-buttons .btn-primary,
            .cta-buttons .btn-secondary { padding: 14px 28px; font-size: 1rem; width: 100%; justify-content: center; }
            .content-container { padding: 0 16px; }
            .container { padding: 0 16px; }
        }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--max-width); }
        .grid-x { margin: 0; }
        .cell { padding: 0; }
        .button { margin: 0; }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0a1a3a;
            --primary-light: #132b5a;
            --primary-dark: #060f22;
            --accent: #e8b830;
            --accent-hover: #d4a620;
            --accent-light: #f5d865;
            --bg-body: #f4f6fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0a1a3a;
            --text-primary: #0a1a3a;
            --text-body: #2a3a5a;
            --text-muted: #6a7a9a;
            --text-light: #f0f2f6;
            --border-color: #e2e6ee;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(10, 26, 58, 0.06);
            --shadow-md: 0 6px 24px rgba(10, 26, 58, 0.09);
            --shadow-lg: 0 12px 48px rgba(10, 26, 58, 0.14);
            --shadow-accent: 0 6px 24px rgba(232, 184, 48, 0.3);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 基础 Reset ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-family);
            background: var(--bg-body);
            color: var(--text-body);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-height);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: var(--text-primary);
            line-height: 1.3;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        p {
            margin-bottom: 1rem;
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .container-narrow {
            max-width: 880px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-padding-sm {
            padding: 48px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-title p {
            font-size: 1.1rem;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }
        .section-title .accent-line {
            display: block;
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 16px auto 0;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 26, 58, 0.95);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            transition: var(--transition);
        }
        .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .logo span {
            color: var(--accent);
            font-weight: 400;
        }
        .logo:hover {
            opacity: 0.9;
            color: #ffffff;
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            padding: 8px 18px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-menu a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-menu a.active {
            color: #ffffff;
            background: rgba(232, 184, 48, 0.2);
            box-shadow: inset 0 0 0 1px rgba(232, 184, 48, 0.3);
        }
        .nav-menu a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 700;
            padding: 10px 28px;
            border-radius: 40px;
            box-shadow: var(--shadow-accent);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }
        .nav-menu a.nav-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232, 184, 48, 0.4);
            color: var(--primary-dark);
        }
        .nav-menu a.nav-cta i {
            font-size: 0.9rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            color: #ffffff;
            font-size: 1.6rem;
            padding: 8px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ===== Hero / 横幅 ===== */
        .page-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(232, 184, 48, 0.08) 0%, transparent 60%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero h1 i {
            color: var(--accent);
            margin-right: 12px;
        }
        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 184, 48, 0.18);
            border: 1px solid rgba(232, 184, 48, 0.25);
            border-radius: 40px;
            padding: 6px 20px 6px 16px;
            color: var(--accent-light);
            font-size: 0.9rem;
            font-weight: 500;
            margin-bottom: 24px;
        }
        .page-hero .hero-badge i {
            font-size: 0.8rem;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-actions .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 14px 40px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
        }
        .hero-actions .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(232, 184, 48, 0.4);
        }
        .hero-actions .btn-outline {
            background: transparent;
            color: #ffffff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1.05rem;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 1.5px solid rgba(255, 255, 255, 0.25);
            transition: var(--transition);
        }
        .hero-actions .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(232, 184, 48, 0.08);
            transform: translateY(-3px);
        }

        /* ===== 直播分类卡片 ===== */
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .sport-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 24px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: default;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--accent);
        }
        .sport-card .icon-wrap {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .sport-card:hover .icon-wrap {
            transform: scale(1.05);
            box-shadow: 0 8px 24px rgba(10, 26, 58, 0.2);
        }
        .sport-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .sport-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 16px;
        }
        .sport-card .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.75rem;
            font-weight: 600;
            background: rgba(232, 184, 48, 0.12);
            color: var(--accent-hover);
        }

        /* ===== 赛事卡片 ===== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .match-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .match-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .match-card .card-img {
            position: relative;
            width: 100%;
            height: 180px;
            overflow: hidden;
            background: var(--primary);
        }
        .match-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .match-card:hover .card-img img {
            transform: scale(1.06);
        }
        .match-card .card-img .badge-live {
            position: absolute;
            top: 14px;
            left: 14px;
            background: #e74c3c;
            color: #ffffff;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 40px;
            display: flex;
            align-items: center;
            gap: 5px;
            box-shadow: 0 4px 12px rgba(231, 76, 60, 0.4);
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.7;
            }
        }
        .match-card .card-img .badge-live i {
            font-size: 0.5rem;
        }
        .match-card .card-body {
            padding: 20px 22px 24px;
        }
        .match-card .card-body .match-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .match-card .card-body .match-meta i {
            margin-right: 3px;
        }
        .match-card .card-body h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .match-card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .match-card .card-body .btn-sm {
            padding: 8px 22px;
            border-radius: 40px;
            background: var(--primary);
            color: #ffffff;
            font-size: 0.85rem;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .match-card .card-body .btn-sm:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        /* ===== 观看流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 36px 24px 32px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--accent);
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            border: 2px solid var(--accent);
        }
        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }
        .step-card .step-arrow {
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 1.4rem;
            color: var(--accent);
            opacity: 0.5;
        }
        .steps-grid .step-card:last-child .step-arrow {
            display: none;
        }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            position: relative;
            z-index: 1;
        }
        .stat-item {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(4px);
        }
        .stat-item .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-item .stat-label {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 400;
        }
        .stat-item .stat-icon {
            font-size: 1.6rem;
            color: rgba(232, 184, 48, 0.3);
            margin-bottom: 12px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow-sm);
        }
        .faq-item .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-item .faq-question:hover {
            color: var(--primary);
        }
        .faq-item .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            font-size: 0.9rem;
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
            text-align: center;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.07;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 520px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: var(--primary-dark);
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            display: inline-flex;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
        }
        .cta-section .btn-cta:hover {
            background: var(--accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(232, 184, 48, 0.4);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
            border-top: 2px solid rgba(232, 184, 48, 0.1);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.4rem;
            margin-bottom: 14px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
            line-height: 1.8;
        }
        .footer-brand a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 1.3rem;
            transition: var(--transition);
        }
        .footer-brand a:hover {
            color: var(--accent);
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 2.4rem;
            }
            .section-title h2 {
                font-size: 1.8rem;
            }
            .step-card .step-arrow {
                display: none;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 26, 58, 0.98);
                backdrop-filter: blur(14px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
            }
            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-menu a {
                padding: 12px 20px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-menu a.nav-cta {
                margin-left: 0;
                justify-content: center;
                margin-top: 8px;
            }
            .nav-toggle {
                display: block;
            }
            .page-hero {
                padding: 80px 0 60px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .section-padding {
                padding: 48px 0;
            }
            .sports-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .sport-card {
                padding: 24px 16px 20px;
            }
            .match-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-item .stat-number {
                font-size: 2rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                padding: 12px 28px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .sports-grid {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-badge {
                font-size: 0.75rem;
                padding: 4px 14px 4px 10px;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 辅助 ===== */
        .text-accent {
            color: var(--accent);
        }
        .bg-white {
            background: var(--bg-white);
        }
        .bg-light {
            background: var(--bg-body);
        }
        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .gap-2 {
            gap: 16px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .text-center {
            text-align: center;
        }
        .rounded-full {
            border-radius: 999px;
        }