/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #1D4ED8;
            --primary-dark: #1E3A8A;
            --primary-light: #DBEAFE;
            --secondary: #EA580C;
            --secondary-light: #FED7AA;
            --accent: #06B6D4;
            --bg: #F0F4FF;
            --bg-card: #FFFFFF;
            --bg-dark: #0F172A;
            --text: #0F172A;
            --text-weak: #64748B;
            --text-white: #FFFFFF;
            --border: #E2E8F0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 20px rgba(0,0,0,0.06);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.10);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --nav-h: 72px;
        }

        /* ===== Reset / Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            color: var(--text);
            background: var(--bg);
            line-height: 1.6;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        button, input, select, textarea { font: inherit; border: none; outline: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        p { margin-bottom: 0.75rem; color: var(--text-weak); }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { font-size: 2rem; text-align: center; margin-bottom: 0.5rem; }
        .section-sub { text-align: center; max-width: 640px; margin: 0 auto 48px; font-size: 1.1rem; color: var(--text-weak); }
        .text-center { text-align: center; }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed; top: 0; left: 0; right: 0;
            height: var(--nav-h);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            z-index: 1000;
            transition: var(--transition);
        }
        .site-header.scrolled { box-shadow: 0 2px 16px rgba(0,0,0,0.06); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.25rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo i { font-size: 1.5rem; color: var(--secondary); }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        .nav-list { display: flex; align-items: center; gap: 6px; }
        .nav-list a {
            display: inline-flex; align-items: center; gap: 6px;
            padding: 8px 20px; border-radius: 40px;
            font-size: 0.9rem; font-weight: 500; color: var(--text-weak);
            transition: var(--transition); position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: var(--primary-light); }
        .nav-list a.active {
            color: var(--text-white); background: var(--primary);
            box-shadow: 0 4px 12px rgba(29,78,216,0.3);
        }
        .nav-cta {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 10px 28px; border-radius: 40px;
            background: linear-gradient(135deg, var(--secondary), #D97706);
            color: var(--text-white); font-weight: 600; font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(234,88,12,0.35);
            transition: var(--transition);
        }
        .nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(234,88,12,0.4); }
        .nav-toggle { display: none; background: transparent; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 4px; }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 92vh;
            display: flex; align-items: center; justify-content: center;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            margin-top: var(--nav-h);
            overflow: hidden;
        }
        .hero::before {
            content: ''; position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,23,42,0.75) 0%, rgba(29,78,216,0.55) 100%);
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 780px; padding: 40px 24px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(255,255,255,0.15); backdrop-filter: blur(6px);
            padding: 8px 20px; border-radius: 40px; margin-bottom: 24px;
            color: var(--text-white); font-size: 0.85rem; font-weight: 500; border: 1px solid rgba(255,255,255,0.2);
        }
        .hero h1 { font-size: clamp(2.4rem, 6vw, 4rem); color: var(--text-white); margin-bottom: 16px; letter-spacing: -0.5px; }
        .hero h1 em { color: #FCD34D; font-style: normal; }
        .hero p { font-size: 1.2rem; color: rgba(255,255,255,0.85); margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }
        .hero-actions { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .btn-primary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 16px 40px; border-radius: 50px;
            background: linear-gradient(135deg, var(--secondary), #D97706);
            color: var(--text-white); font-weight: 700; font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(234,88,12,0.4);
            transition: var(--transition);
        }
        .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 36px rgba(234,88,12,0.5); }
        .btn-secondary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 16px 40px; border-radius: 50px;
            background: rgba(255,255,255,0.12); backdrop-filter: blur(6px);
            color: var(--text-white); font-weight: 600; font-size: 1.05rem;
            border: 1px solid rgba(255,255,255,0.3);
            transition: var(--transition);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.22); transform: translateY(-3px); }

        /* ===== Features / Core ===== */
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .feature-card {
            background: var(--bg-card); border-radius: var(--radius);
            padding: 36px 28px; text-align: center;
            box-shadow: var(--shadow); transition: var(--transition);
            border: 1px solid var(--border);
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .feature-icon {
            width: 64px; height: 64px; border-radius: 20px;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 20px; font-size: 1.6rem; color: var(--text-white);
        }
        .feature-icon.blue { background: linear-gradient(135deg, #3B82F6, #1D4ED8); }
        .feature-icon.orange { background: linear-gradient(135deg, #F97316, #EA580C); }
        .feature-icon.cyan { background: linear-gradient(135deg, #06B6D4, #0891B2); }
        .feature-card h3 { font-size: 1.2rem; margin-bottom: 10px; }
        .feature-card p { font-size: 0.95rem; }

        /* ===== Category Entry ===== */
        .category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .category-card {
            position: relative; border-radius: var(--radius); overflow: hidden;
            background: var(--bg-card); box-shadow: var(--shadow);
            transition: var(--transition); border: 1px solid var(--border);
            display: flex; flex-direction: column;
        }
        .category-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .category-card .thumb {
            height: 220px; background-size: cover; background-position: center;
            position: relative;
        }
        .category-card .thumb .tag {
            position: absolute; top: 16px; left: 16px;
            background: var(--primary); color: var(--text-white);
            padding: 4px 16px; border-radius: 30px; font-size: 0.8rem; font-weight: 600;
        }
        .category-card .info { padding: 24px; flex: 1; display: flex; flex-direction: column; }
        .category-card .info h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .category-card .info p { font-size: 0.92rem; flex: 1; }
        .category-card .info .btn-link {
            align-self: flex-start; margin-top: 12px;
            color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px;
        }
        .category-card .info .btn-link:hover { gap: 12px; }

        /* ===== News / List ===== */
        .news-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
        .news-card {
            background: var(--bg-card); border-radius: var(--radius-sm);
            padding: 24px; border: 1px solid var(--border);
            box-shadow: var(--shadow); transition: var(--transition);
            display: flex; flex-direction: column;
        }
        .news-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .news-card .meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-weak); margin-bottom: 10px; }
        .news-card .meta .tag { background: var(--primary-light); color: var(--primary); padding: 2px 12px; border-radius: 30px; font-weight: 500; }
        .news-card h3 { font-size: 1.1rem; margin-bottom: 8px; color: var(--text); }
        .news-card p { font-size: 0.9rem; flex: 1; }
        .news-card .date { font-size: 0.8rem; color: var(--text-weak); margin-top: 12px; }
        .empty-news { text-align: center; padding: 48px 24px; color: var(--text-weak); font-size: 1.05rem; background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border); }

        /* ===== Steps / Flow ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; counter-reset: step; }
        .step-card {
            background: var(--bg-card); border-radius: var(--radius);
            padding: 32px 20px; text-align: center;
            border: 1px solid var(--border); box-shadow: var(--shadow);
            transition: var(--transition); position: relative;
        }
        .step-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .step-card::before {
            counter-increment: step; content: counter(step);
            position: absolute; top: 16px; right: 20px;
            font-size: 2.8rem; font-weight: 900; color: var(--primary-light); line-height: 1;
        }
        .step-card .step-icon { width: 56px; height: 56px; border-radius: 18px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 1.4rem; margin: 0 auto 16px; }
        .step-card h4 { font-size: 1.1rem; margin-bottom: 6px; }
        .step-card p { font-size: 0.88rem; margin-bottom: 0; }

        /* ===== Stats ===== */
        .stats-bg {
            background: linear-gradient(135deg, var(--bg-dark), #1E293B);
            border-radius: var(--radius);
            padding: 60px 40px;
        }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
        .stat-item .num { font-size: 2.6rem; font-weight: 900; color: var(--text-white); line-height: 1.2; }
        .stat-item .num small { font-size: 1.2rem; color: #FCD34D; }
        .stat-item .label { font-size: 0.95rem; color: rgba(255,255,255,0.7); margin-top: 4px; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 760px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card); border: 1px solid var(--border);
            border-radius: var(--radius-sm); overflow: hidden;
            box-shadow: var(--shadow); transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-lg); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 18px 24px; font-weight: 600; font-size: 1rem;
            cursor: pointer; background: transparent; width: 100; text-align: left;
            transition: var(--transition); color: var(--text);
        }
        .faq-question i { font-size: 0.9rem; color: var(--primary); transition: var(--transition); }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer { padding: 0 24px 18px; font-size: 0.95rem; color: var(--text-weak); display: none; }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius); padding: 64px 48px;
            text-align: center; color: var(--text-white);
        }
        .cta-block h2 { font-size: 2rem; color: var(--text-white); margin-bottom: 12px; }
        .cta-block p { font-size: 1.1rem; color: rgba(255,255,255,0.85); max-width: 560px; margin: 0 auto 32px; }
        .cta-block .btn-primary { background: var(--secondary); box-shadow: 0 8px 28px rgba(234,88,12,0.4); }
        .cta-block .btn-primary:hover { box-shadow: 0 12px 36px rgba(234,88,12,0.5); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.7);
            padding: 48px 0 24px; margin-top: 80px;
        }
        .footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .logo { color: var(--text-white); margin-bottom: 12px; }
        .footer-brand p { font-size: 0.9rem; max-width: 320px; }
        .footer-col h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; }
        .footer-col a { display: block; padding: 6px 0; font-size: 0.9rem; color: rgba(255,255,255,0.6); }
        .footer-col a:hover { color: var(--text-white); }
        .footer-bottom { margin-top: 40px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.08); text-align: center; font-size: 0.85rem; color: rgba(255,255,255,0.4); }

        /* ===== Mobile / Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-inner { grid-template-columns: repeat(2, 1fr); }
            .category-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-toggle { display: block; }
            .nav-list.open {
                display: flex; flex-direction: column;
                position: absolute; top: var(--nav-h); left: 0; right: 0;
                background: rgba(255,255,255,0.98); backdrop-filter: blur(14px);
                border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 8px;
                box-shadow: var(--shadow-lg);
            }
            .nav-list.open a { width: 100%; justify-content: center; }
            .nav-list.open .nav-cta { justify-content: center; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .section { padding: 48px 0; }
            .section-title { font-size: 1.6rem; }
            .features-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr; gap: 16px; }
            .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .cta-block { padding: 40px 24px; }
            .cta-block h2 { font-size: 1.5rem; }
            .news-grid { grid-template-columns: 1fr; }
        }
        @media (max-width: 520px) {
            .header-inner { padding: 0 16px; }
            .logo { font-size: 1.05rem; }
            .hero { min-height: 80vh; }
            .hero-content { padding: 24px 16px; }
            .btn-primary, .btn-secondary { padding: 14px 28px; font-size: 0.95rem; width: 100%; justify-content: center; }
            .hero-actions { flex-direction: column; }
            .stats-bg { padding: 32px 16px; }
            .stat-item .num { font-size: 2rem; }
        }

        /* ===== Focus / Accessibility ===== */
        a:focus-visible, button:focus-visible, input:focus-visible { outline: 3px solid var(--primary); outline-offset: 2px; border-radius: 4px; }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed; bottom: 32px; right: 32px;
            width: 48px; height: 48px; border-radius: 50%;
            background: var(--primary); color: var(--text-white);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.2rem; box-shadow: 0 4px 16px rgba(29,78,216,0.3);
            opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999; cursor: pointer;
        }
        .back-top.show { opacity: 1; visibility: visible; }
        .back-top:hover { transform: translateY(-4px); box-shadow: 0 8px 24px rgba(29,78,216,0.4); }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-light: #ff6b6b;
            --primary-dark: #b71c1c;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #f4a261;
            --bg: #f8f9fa;
            --bg-card: #ffffff;
            --bg-dark: #1a1a2e;
            --text: #1a1a2e;
            --text-light: #6c757d;
            --text-white: #ffffff;
            --border: #e9ecef;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 30px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        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 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }

        /* ===== 容器 ===== */
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 站点头部 ===== */
        .site-header {
            background: var(--bg-card);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: var(--header-height);
            display: flex;
            align-items: center;
            backdrop-filter: blur(12px);
            background: rgba(255, 255, 255, 0.96);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .logo i {
            font-size: 1.8rem;
            color: var(--primary);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .logo:hover span {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            padding: 10px 20px;
            border-radius: 50px;
            color: var(--text);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
            position: relative;
        }
        .nav-list li a i {
            font-size: 0.9rem;
            color: var(--text-light);
            transition: color var(--transition);
        }
        .nav-list li a:hover {
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
        }
        .nav-list li a:hover i {
            color: var(--primary);
        }
        .nav-list li a.active {
            background: var(--primary);
            color: var(--text-white);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.3);
        }
        .nav-list li a.active i {
            color: var(--text-white);
        }
        .nav-list li a.nav-cta {
            background: var(--secondary);
            color: var(--text-white);
            padding: 10px 28px;
            box-shadow: 0 4px 16px rgba(29, 53, 87, 0.25);
        }
        .nav-list li a.nav-cta i {
            color: var(--text-white);
        }
        .nav-list li a.nav-cta:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(29, 53, 87, 0.35);
        }
        .nav-toggle {
            display: none;
            background: none;
            font-size: 1.6rem;
            color: var(--text);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-xs);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(0, 0, 0, 0.05);
        }
        @media (max-width: 868px) {
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-card);
                flex-direction: column;
                padding: 20px 24px;
                gap: 8px;
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
                border-radius: 0 0 var(--radius) var(--radius);
                border-top: 2px solid var(--border);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                width: 100%;
                justify-content: center;
                padding: 14px 20px;
                border-radius: var(--radius-sm);
            }
            .nav-toggle {
                display: block;
            }
        }

        /* ===== 文章页 Bannner ===== */
        .article-banner {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .article-banner .breadcrumb {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            flex-wrap: wrap;
        }
        .article-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
            transition: color var(--transition);
        }
        .article-banner .breadcrumb a:hover {
            color: var(--text-white);
        }
        .article-banner .breadcrumb span {
            color: var(--accent);
        }
        .article-banner .category-tag {
            display: inline-block;
            background: var(--primary);
            color: var(--text-white);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .article-banner h1 {
            font-size: 2.6rem;
            color: var(--text-white);
            max-width: 860px;
            margin: 0 auto 20px;
            line-height: 1.3;
            font-weight: 800;
        }
        .article-banner .meta {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 24px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.92rem;
            flex-wrap: wrap;
        }
        .article-banner .meta i {
            margin-right: 6px;
            color: var(--accent);
        }
        @media (max-width: 768px) {
            .article-banner {
                padding: 60px 0 40px;
                min-height: 240px;
            }
            .article-banner h1 {
                font-size: 1.8rem;
            }
            .article-banner .meta {
                gap: 14px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.4rem;
            }
            .article-banner .meta {
                flex-direction: column;
                gap: 8px;
            }
        }

        /* ===== 文章主体 ===== */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: start;
        }
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 40px;
            }
        }
        .article-content {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 48px;
            overflow: hidden;
        }
        @media (max-width: 768px) {
            .article-content {
                padding: 24px 20px;
            }
        }
        .article-content .featured-image {
            margin: -40px -48px 32px -48px;
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
            max-height: 480px;
            object-fit: cover;
            width: calc(100% + 96px);
        }
        @media (max-width: 768px) {
            .article-content .featured-image {
                margin: -24px -20px 24px -20px;
                width: calc(100% + 40px);
            }
        }
        .article-content .post-meta-local {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            padding-bottom: 20px;
            margin-bottom: 28px;
            border-bottom: 1px solid var(--border);
            font-size: 0.9rem;
            color: var(--text-light);
        }
        .article-content .post-meta-local i {
            margin-right: 6px;
            color: var(--primary);
        }
        .article-content .post-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content .post-body p {
            margin-bottom: 1.4em;
        }
        .article-content .post-body h2 {
            font-size: 1.6rem;
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: var(--secondary);
        }
        .article-content .post-body h3 {
            font-size: 1.25rem;
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            color: var(--secondary);
        }
        .article-content .post-body ul,
        .article-content .post-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.8em;
        }
        .article-content .post-body li {
            margin-bottom: 0.5em;
            list-style: disc;
        }
        .article-content .post-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content .post-body a:hover {
            color: var(--primary-dark);
        }
        .article-content .post-body blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.6em 0;
            background: rgba(230, 57, 70, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-content .post-body img {
            border-radius: var(--radius-sm);
            margin: 1.6em 0;
            box-shadow: var(--shadow);
        }
        .article-content .post-body .content-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.1);
            color: var(--primary);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            margin-right: 6px;
        }

        /* 文章未找到 */
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .article-not-found i {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 24px;
            display: block;
        }
        .article-not-found h2 {
            font-size: 1.8rem;
            color: var(--text);
            margin-bottom: 16px;
        }
        .article-not-found p {
            color: var(--text-light);
            margin-bottom: 24px;
            font-size: 1.05rem;
        }
        .article-not-found .btn-back {
            display: inline-block;
            padding: 12px 36px;
            background: var(--primary);
            color: var(--text-white);
            border-radius: 50px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .article-not-found .btn-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.3);
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--border);
            color: var(--secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--primary);
        }
        .sidebar-card .related-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .sidebar-card .related-item {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card .related-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-card .related-item img {
            width: 70px;
            height: 70px;
            border-radius: var(--radius-xs);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-card .related-item .info {
            flex: 1;
        }
        .sidebar-card .related-item .info a {
            font-weight: 600;
            color: var(--text);
            font-size: 0.92rem;
            line-height: 1.4;
            display: block;
            transition: color var(--transition);
        }
        .sidebar-card .related-item .info a:hover {
            color: var(--primary);
        }
        .sidebar-card .related-item .info .date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-top: 4px;
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-cloud a {
            padding: 6px 16px;
            background: rgba(230, 57, 70, 0.06);
            color: var(--text);
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 500;
            transition: all var(--transition);
        }
        .sidebar-card .tag-cloud a:hover {
            background: var(--primary);
            color: var(--text-white);
            transform: translateY(-1px);
        }
        .sidebar-card .cta-sidebar {
            text-align: center;
        }
        .sidebar-card .cta-sidebar p {
            font-size: 0.92rem;
            color: var(--text-light);
            margin-bottom: 16px;
        }
        .sidebar-card .cta-sidebar .btn-cta {
            display: inline-block;
            padding: 12px 32px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: var(--text-white);
            border-radius: 50px;
            font-weight: 700;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.25);
        }
        .sidebar-card .cta-sidebar .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(230, 57, 70, 0.35);
        }
        @media (max-width: 1024px) {
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 640px) {
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 相关文章底部 ===== */
        .related-bottom {
            padding: 60px 0 40px;
        }
        .related-bottom h2 {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 40px;
            color: var(--secondary);
            position: relative;
        }
        .related-bottom h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        @media (max-width: 868px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: 0;
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .cat {
            font-size: 0.78rem;
            color: var(--primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-body h3 {
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .related-card .card-body h3 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .related-card .card-body h3 a:hover {
            color: var(--primary);
        }
        .related-card .card-body p {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 30px;
            margin-top: 20px;
        }
        .footer-inner {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        @media (max-width: 868px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }
        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 16px;
            justify-content: flex-start;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand .logo span {
            background: none;
            -webkit-text-fill-color: var(--text-white);
            color: var(--text-white);
        }
        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.7;
            opacity: 0.8;
            max-width: 360px;
        }
        @media (max-width: 520px) {
            .footer-brand p {
                margin: 0 auto;
            }
            .footer-brand .logo {
                justify-content: center;
            }
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 30px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px;
        }
        @media (max-width: 520px) {
            .footer-col h4::after {
                left: 50%;
                transform: translateX(-50%);
            }
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.7);
            padding: 5px 0;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }
        @media (max-width: 520px) {
            .footer-col a:hover {
                padding-left: 0;
            }
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            opacity: 0.7;
            letter-spacing: 0.3px;
        }

        /* ===== 实用工具 ===== */
        .text-center {
            text-align: center;
        }
        .mt-20 {
            margin-top: 20px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }

/* roulang page: category1 */
/* ===== :root 设计变量 ===== */
        :root {
            --primary: #e53935;
            --primary-dark: #c62828;
            --primary-light: #ff6f60;
            --primary-bg: #fff5f5;
            --accent: #ff8f00;
            --accent-dark: #e65100;
            --accent-light: #ffc107;
            --bg: #ffffff;
            --bg-alt: #f8f9fa;
            --bg-card: #ffffff;
            --text: #1a1a2e;
            --text-light: #555770;
            --text-muted: #8e8ea0;
            --border: #e8e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 20px 60px rgba(229, 57, 53, 0.15);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-h);
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        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;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2.2rem;
            margin-bottom: 0.5rem;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            color: var(--text-light);
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section-pad {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 64px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            max-width: 600px;
            margin: 12px auto 0;
            font-size: 1.05rem;
            color: var(--text-muted);
        }
        .text-center {
            text-align: center;
        }
        .mb-1 {
            margin-bottom: 1rem;
        }
        .mb-2 {
            margin-bottom: 2rem;
        }
        .mb-3 {
            margin-bottom: 3rem;
        }

        /* ===== Header / 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px) saturate(180%);
            -webkit-backdrop-filter: blur(16px) saturate(180%);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
        }
        .header-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            transition: transform var(--transition);
        }
        .logo:hover {
            transform: scale(1.02);
            color: var(--primary);
        }
        .logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            padding: 8px 18px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-light);
            transition: all var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a i {
            font-size: 0.85rem;
        }
        .nav-list li a:hover {
            background: var(--primary-bg);
            color: var(--primary);
        }
        .nav-list li a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(229, 57, 53, 0.3);
        }
        .nav-list li a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            padding: 8px 22px;
            border-radius: 40px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(255, 143, 0, 0.35);
            transition: all var(--transition);
        }
        .nav-list li a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 143, 0, 0.45);
        }
        .nav-toggle {
            display: none;
            font-size: 1.6rem;
            color: var(--text);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: var(--bg-alt);
        }

        /* ===== Hero / 分类横幅 ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .category-hero .hero-glow {
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(229, 57, 53, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .hero-glow-2 {
            position: absolute;
            bottom: -20%;
            left: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 143, 0, 0.15), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            padding: 8px 20px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.5px;
            margin-bottom: 24px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .category-hero .hero-badge i {
            color: var(--accent-light);
        }
        .category-hero h1 {
            color: #fff;
            font-size: 3.2rem;
            font-weight: 800;
            letter-spacing: -1px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .category-hero h1 i {
            color: var(--accent-light);
            margin-right: 8px;
        }
        .category-hero p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.15rem;
            max-width: 640px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .category-hero .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }
        .category-hero .hero-stats .stat-item {
            text-align: center;
        }
        .category-hero .hero-stats .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            display: block;
            line-height: 1.2;
        }
        .category-hero .hero-stats .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            font-weight: 400;
        }

        /* ===== 指南介绍板块 ===== */
        .guide-intro {
            background: var(--bg);
        }
        .guide-intro .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .guide-intro .intro-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition);
        }
        .guide-intro .intro-image:hover {
            transform: scale(1.01);
        }
        .guide-intro .intro-image img {
            width: 100%;
            height: 360px;
            object-fit: cover;
        }
        .guide-intro .intro-content h2 {
            font-size: 2rem;
            margin-bottom: 16px;
        }
        .guide-intro .intro-content h2 i {
            color: var(--primary);
            margin-right: 8px;
        }
        .guide-intro .intro-content p {
            font-size: 1.05rem;
            margin-bottom: 20px;
            color: var(--text-light);
        }
        .guide-intro .intro-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 8px;
        }
        .guide-intro .intro-tags .tag {
            background: var(--primary-bg);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .guide-intro .intro-tags .tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 直播平台推荐 ===== */
        .platform-section {
            background: var(--bg-alt);
        }
        .platform-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 28px;
        }
        .platform-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 24px 32px;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }
        .platform-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary-light);
        }
        .platform-card .card-icon {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: var(--primary-bg);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            color: var(--primary);
            margin-bottom: 18px;
            transition: all var(--transition);
        }
        .platform-card:hover .card-icon {
            background: var(--primary);
            color: #fff;
            transform: scale(1.05);
        }
        .platform-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .platform-card p {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex: 1;
        }
        .platform-card .card-img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-top: 12px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.06);
            transition: transform var(--transition);
        }
        .platform-card:hover .card-img {
            transform: scale(1.02);
        }
        .platform-card .btn-outline {
            margin-top: 16px;
            padding: 10px 28px;
            border-radius: 40px;
            border: 2px solid var(--primary);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            background: transparent;
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .platform-card .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(229, 57, 53, 0.3);
        }

        /* ===== 观看流程 ===== */
        .flow-section {
            background: var(--bg);
        }
        .flow-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }
        .flow-steps::before {
            content: '';
            position: absolute;
            top: 48px;
            left: 10%;
            right: 10%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent), var(--primary-light));
            border-radius: 4px;
            opacity: 0.3;
            z-index: 0;
        }
        .flow-step {
            text-align: center;
            position: relative;
            z-index: 1;
            padding: 0 12px;
        }
        .flow-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            box-shadow: 0 8px 24px rgba(229, 57, 53, 0.25);
            transition: all var(--transition);
        }
        .flow-step:hover .step-num {
            transform: scale(1.08);
            box-shadow: 0 12px 32px rgba(229, 57, 53, 0.35);
        }
        .flow-step h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .flow-step p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        /* ===== 热门赛事分类 ===== */
        .sports-section {
            background: var(--bg-alt);
        }
        .sports-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .sport-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            background: var(--bg-card);
            border: 1px solid var(--border);
        }
        .sport-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .sport-card .sport-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            transition: transform var(--transition);
        }
        .sport-card:hover .sport-img {
            transform: scale(1.04);
        }
        .sport-card .sport-body {
            padding: 18px 20px 22px;
        }
        .sport-card .sport-body h3 {
            font-size: 1.15rem;
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sport-card .sport-body h3 i {
            color: var(--primary);
            font-size: 1rem;
        }
        .sport-card .sport-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .sport-card .sport-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            background: var(--primary-bg);
            color: var(--primary);
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg);
        }
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            gap: 12px;
            color: var(--text);
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            background: var(--primary-bg);
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.96rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 50%, #0f3460 100%);
            padding: 80px 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: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.4rem;
            margin-bottom: 12px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.1rem;
            max-width: 540px;
            margin: 0 auto 32px;
        }
        .cta-section .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-section .btn-primary {
            padding: 14px 40px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 28px rgba(255, 143, 0, 0.35);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: none;
        }
        .cta-section .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(255, 143, 0, 0.5);
        }
        .cta-section .btn-secondary {
            padding: 14px 40px;
            border-radius: 40px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1.05rem;
            border: 2px solid rgba(255, 255, 255, 0.25);
            transition: all var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .cta-section .btn-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-3px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0d0d1a;
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 0;
        }
        .site-footer .footer-inner {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-brand .logo {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: #fff;
        }
        .site-footer .footer-brand .logo span {
            background: linear-gradient(135deg, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-footer .footer-brand p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            line-height: 1.7;
        }
        .site-footer .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.92rem;
            padding: 4px 0;
            transition: all var(--transition);
        }
        .site-footer .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            text-align: center;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.3);
            letter-spacing: 0.3px;
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            background: var(--bg-alt);
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb i {
            font-size: 0.7rem;
            color: var(--text-muted);
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 500;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .flow-steps {
                grid-template-columns: repeat(2, 1fr);
                gap: 32px 16px;
            }
            .flow-steps::before {
                display: none;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr 1fr;
            }
            .category-hero h1 {
                font-size: 2.6rem;
            }
            .guide-intro .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .guide-intro .intro-image img {
                height: 280px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-120%);
                opacity: 0;
                transition: all 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
                pointer-events: none;
                border-radius: 0 0 var(--radius) var(--radius);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                padding: 12px 18px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
                width: 100%;
                justify-content: center;
            }
            .nav-list li a.nav-cta {
                margin-top: 6px;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }
            .category-hero {
                padding: 72px 0 56px;
                min-height: 320px;
            }
            .category-hero h1 {
                font-size: 2rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .category-hero .hero-stats {
                gap: 24px;
            }
            .category-hero .hero-stats .stat-num {
                font-size: 1.6rem;
            }
            .section-pad {
                padding: 48px 0;
            }
            h2 {
                font-size: 1.7rem;
            }
            .platform-grid {
                grid-template-columns: 1fr;
            }
            .sports-grid {
                grid-template-columns: 1fr 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr 1fr;
                gap: 24px 12px;
            }
            .flow-step .step-num {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .site-footer .footer-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-section .btn-primary,
            .cta-section .btn-secondary {
                padding: 12px 28px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .guide-intro .intro-content h2 {
                font-size: 1.6rem;
            }
            .section-title {
                margin-bottom: 32px;
            }
        }
        @media (max-width: 520px) {
            .category-hero h1 {
                font-size: 1.6rem;
            }
            .category-hero .hero-stats {
                gap: 16px;
                flex-direction: column;
                align-items: center;
            }
            .sports-grid {
                grid-template-columns: 1fr;
            }
            .flow-steps {
                grid-template-columns: 1fr;
            }
            .platform-card {
                padding: 20px 16px 24px;
            }
            .platform-card .card-img {
                height: 130px;
            }
            .faq-item .faq-q {
                padding: 14px 16px;
                font-size: 0.95rem;
            }
            .faq-item .faq-a {
                padding: 0 16px 14px;
                font-size: 0.9rem;
            }
            .logo {
                font-size: 1.25rem;
            }
            .logo i {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 16px;
            }
            .header-inner {
                padding: 0 16px;
            }
            .category-hero .hero-badge {
                font-size: 0.75rem;
                padding: 6px 14px;
            }
        }