/* roulang page: index */
:root {
            --primary: #e94560;
            --primary-hover: #c23152;
            --primary-soft: rgba(233,69,96,0.12);
            --accent: #f0a500;
            --accent-soft: rgba(240,165,0,0.1);
            --bg: #0f0f1a;
            --bg-alt: #17172a;
            --bg-card: #1c1c34;
            --bg-elevated: #24244a;
            --surface: #1e1e3a;
            --text: #e8e8f0;
            --text-secondary: #a0a0bb;
            --text-muted: #6b6b80;
            --border: #2a2a45;
            --border-light: #333358;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow: 0 4px 20px rgba(0,0,0,0.35);
            --shadow-lg: 0 8px 40px rgba(0,0,0,0.5);
            --shadow-primary: 0 4px 20px rgba(233,69,96,0.25);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, sans-serif;
            --font-mono: 'SF Mono','Cascadia Code','Consolas',monospace;
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --container-max: 1240px;
            --nav-height: 72px;
            --topbar-height: 36px;
        }
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-sans);font-size:16px;line-height:1.7;color:var(--text);background:var(--bg);min-height:100vh;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-hover)}
        button,input,textarea{font-family:inherit;font-size:inherit}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text)}
        h1{font-size:clamp(2rem,4vw,3.2rem);letter-spacing:-0.02em}
        h2{font-size:clamp(1.5rem,3vw,2.2rem);letter-spacing:-0.01em}
        h3{font-size:clamp(1.15rem,2vw,1.45rem)}
        .container{width:100%;max-width:var(--container-max);margin:0 auto;padding:0 24px}

        /* TOPBAR */
        .topbar{background:#0a0a15;border-bottom:1px solid var(--border);height:var(--topbar-height);display:flex;align-items:center;font-size:13px;color:var(--text-muted)}
        .topbar .container{display:flex;justify-content:space-between;align-items:center;gap:16px}
        .topbar-left{display:flex;align-items:center;gap:6px}
        .topbar-left i{font-size:11px;color:var(--accent)}
        .topbar-right{display:flex;align-items:center;gap:18px}
        .topbar-right a{color:var(--text-muted);font-size:13px;transition:color var(--transition)}
        .topbar-right a:hover{color:var(--text)}

        /* HEADER / NAV */
        .header{position:sticky;top:0;z-index:100;background:rgba(23,23,42,0.92);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border-bottom:1px solid var(--border);transition:background var(--transition)}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:var(--nav-height)}
        .logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.25rem;color:var(--text);letter-spacing:-0.01em;white-space:nowrap}
        .logo-icon{width:38px;height:38px;border-radius:var(--radius-sm);background:linear-gradient(135deg,var(--primary),#ff6b8a);display:flex;align-items:center;justify-content:center;font-size:18px;color:#fff;flex-shrink:0}
        .logo span{background:linear-gradient(135deg,var(--text),#ccc);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
        .nav-links{display:flex;align-items:center;gap:4px;list-style:none}
        .nav-links a{display:inline-flex;align-items:center;gap:6px;padding:10px 18px;border-radius:var(--radius);font-weight:600;font-size:0.95rem;color:var(--text-secondary);transition:all var(--transition);position:relative}
        .nav-links a:hover{color:var(--text);background:var(--bg-elevated)}
        .nav-links a.active{color:#fff;background:var(--primary);box-shadow:var(--shadow-primary)}
        .nav-links a.active:hover{background:var(--primary-hover);color:#fff}
        .nav-cta-btn{display:inline-flex;align-items:center;gap:7px;padding:10px 22px;border-radius:50px;font-weight:700;font-size:0.92rem;background:var(--primary);color:#fff;border:none;cursor:pointer;transition:all var(--transition);box-shadow:var(--shadow-primary);margin-left:8px}
        .nav-cta-btn:hover{background:var(--primary-hover);transform:translateY(-1px);box-shadow:0 6px 25px rgba(233,69,96,0.35);color:#fff}
        .mobile-toggle{display:none;background:none;border:none;color:var(--text);font-size:1.5rem;cursor:pointer;padding:8px;border-radius:var(--radius-sm)}

        /* HERO */
        .hero{position:relative;padding:100px 0 120px;background:var(--bg-alt);overflow:hidden}
        .hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.25;z-index:0}
        .hero-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at 30% 40%,rgba(233,69,96,0.18) 0%,transparent 60%),radial-gradient(ellipse at 70% 60%,rgba(240,165,0,0.1) 0%,transparent 55%),linear-gradient(180deg,var(--bg-alt) 0%,rgba(23,23,42,0.7) 50%,var(--bg-alt) 100%);z-index:1}
        .hero-content{position:relative;z-index:2;text-align:center;max-width:800px;margin:0 auto}
        .hero-badge{display:inline-block;padding:6px 18px;border-radius:50px;background:var(--primary-soft);color:var(--primary);font-weight:600;font-size:0.88rem;margin-bottom:20px;border:1px solid rgba(233,69,96,0.2)}
        .hero h1{color:#fff;margin-bottom:18px}
        .hero h1 em{font-style:normal;color:var(--primary);position:relative}
        .hero-desc{font-size:1.1rem;color:var(--text-secondary);max-width:620px;margin:0 auto 32px;line-height:1.8}
        .hero-btns{display:flex;gap:14px;flex-wrap:wrap;justify-content:center}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:50px;font-weight:700;font-size:1rem;cursor:pointer;transition:all var(--transition);border:none;white-space:nowrap}
        .btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-primary)}
        .btn-primary:hover{background:var(--primary-hover);transform:translateY(-2px);box-shadow:0 8px 30px rgba(233,69,96,0.4);color:#fff}
        .btn-outline{background:transparent;color:var(--text);border:2px solid var(--border-light)}
        .btn-outline:hover{background:var(--bg-elevated);border-color:var(--primary);color:#fff;transform:translateY(-2px)}
        .hero-stats{display:flex;justify-content:center;gap:40px;margin-top:48px;flex-wrap:wrap}
        .hero-stat{text-align:center}
        .hero-stat-num{font-size:2.2rem;font-weight:800;color:#fff;letter-spacing:-0.02em}
        .hero-stat-label{font-size:0.85rem;color:var(--text-muted);margin-top:2px}

        /* SECTION */
        .section{padding:80px 0}
        .section-alt{background:var(--bg-alt)}
        .section-header{text-align:center;margin-bottom:50px}
        .section-tag{display:inline-block;padding:5px 16px;border-radius:50px;background:var(--primary-soft);color:var(--primary);font-weight:600;font-size:0.82rem;letter-spacing:0.04em;margin-bottom:14px;text-transform:uppercase}
        .section-header h2{color:#fff;margin-bottom:10px}
        .section-subtitle{color:var(--text-secondary);max-width:560px;margin:0 auto;font-size:0.98rem}

        /* FEATURES GRID */
        .features-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:24px}
        .feature-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);padding:32px 28px;transition:all var(--transition);position:relative;overflow:hidden}
        .feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-light)}
        .feature-card::before{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--accent));opacity:0;transition:opacity var(--transition)}
        .feature-card:hover::before{opacity:1}
        .feature-icon{width:50px;height:50px;border-radius:var(--radius);background:var(--primary-soft);display:flex;align-items:center;justify-content:center;font-size:1.3rem;color:var(--primary);margin-bottom:18px}
        .feature-card h3{color:#fff;margin-bottom:8px;font-size:1.1rem}
        .feature-card p{color:var(--text-secondary);font-size:0.92rem;line-height:1.7}

        /* CATEGORY ENTRY CARDS */
        .cat-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:24px}
        .cat-card{background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;transition:all var(--transition);display:flex;flex-direction:column}
        .cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--border-light)}
        .cat-card-img{width:100%;height:200px;object-fit:cover;background:var(--bg-elevated)}
        .cat-card-body{padding:24px;flex:1;display:flex;flex-direction:column}
        .cat-card-body h3{color:#fff;font-size:1.1rem;margin-bottom:6px}
        .cat-card-body p{color:var(--text-secondary);font-size:0.9rem;line-height:1.6;flex:1}
        .cat-card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-weight:600;font-size:0.92rem;color:var(--primary)}
        .cat-card-link:hover{color:var(--primary-hover)}
        .cat-card-link i{transition:transform var(--transition)}
        .cat-card-link:hover i{transform:translateX(4px)}

        /* NEWS LIST */
        .news-list{display:grid;grid-template-columns:1fr;gap:16px;max-width:900px;margin:0 auto}
        .news-item{display:flex;gap:18px;align-items:center;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius);padding:18px 20px;transition:all var(--transition)}
        .news-item:hover{transform:translateX(4px);border-color:var(--border-light);box-shadow:var(--shadow-sm)}
        .news-thumb{width:80px;height:60px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg-elevated)}
        .news-info{flex:1;min-width:0}
        .news-info h4{font-size:0.98rem;color:#fff;margin-bottom:4px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .news-info h4 a{color:inherit}
        .news-info h4 a:hover{color:var(--primary)}
        .news-meta{display:flex;gap:14px;font-size:0.8rem;color:var(--text-muted)}
        .news-meta span{display:flex;align-items:center;gap:4px}
        .news-arrow{color:var(--primary);font-size:1.2rem;flex-shrink:0;transition:transform var(--transition)}
        .news-item:hover .news-arrow{transform:translateX(3px)}
        .empty-state{text-align:center;padding:40px;color:var(--text-muted);font-size:0.95rem;background:var(--bg-card);border-radius:var(--radius);border:1px dashed var(--border)}

        /* STEPS */
        .steps-row{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:28px;position:relative}
        .step-card{text-align:center;padding:28px 20px;background:var(--bg-card);border:1px solid var(--border);border-radius:var(--radius-lg);position:relative;transition:all var(--transition)}
        .step-card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
        .step-number{width:44px;height:44px;border-radius:50%;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:1.1rem;margin:0 auto 16px}
        .step-card h4{color:#fff;margin-bottom:6px}
        .step-card p{color:var(--text-secondary);font-size:0.88rem;line-height:1.6}

        /* FAQ */
        .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);overflow:hidden;transition:all var(--transition)}
        .faq-item:hover{border-color:var(--border-light)}
        .faq-q{padding:18px 22px;display:flex;align-items:center;justify-content:space-between;cursor:pointer;font-weight:600;color:#fff;font-size:0.98rem;user-select:none;gap:12px}
        .faq-q i{color:var(--primary);transition:transform var(--transition);flex-shrink:0}
        .faq-a{padding:0 22px 18px;color:var(--text-secondary);font-size:0.9rem;line-height:1.7;display:none}
        .faq-item.open .faq-a{display:block}
        .faq-item.open .faq-q i{transform:rotate(45deg)}

        /* CTA */
        .cta-section{position:relative;padding:80px 0;text-align:center;background:var(--bg-alt);overflow:hidden}
        .cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.15;z-index:0}
        .cta-overlay{position:absolute;inset:0;background:radial-gradient(ellipse at center,rgba(233,69,96,0.15) 0%,transparent 70%);z-index:1}
        .cta-content{position:relative;z-index:2;max-width:650px;margin:0 auto}
        .cta-content h2{color:#fff;margin-bottom:14px}
        .cta-content p{color:var(--text-secondary);margin-bottom:28px;font-size:1.02rem}

        /* FOOTER */
        .footer{background:#0a0a15;border-top:1px solid var(--border);padding:50px 0 28px}
        .footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:36px;margin-bottom:36px}
        .footer-brand .logo{font-size:1.15rem;margin-bottom:10px}
        .footer-brand p{color:var(--text-muted);font-size:0.88rem;line-height:1.7}
        .footer-col h4{color:#fff;font-size:0.95rem;margin-bottom:14px}
        .footer-col ul{list-style:none;display:flex;flex-direction:column;gap:8px}
        .footer-col ul a{color:var(--text-muted);font-size:0.88rem;transition:color var(--transition)}
        .footer-col ul a:hover{color:var(--text)}
        .footer-bottom{border-top:1px solid var(--border);padding-top:22px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:0.82rem;color:var(--text-muted)}
        .footer-bottom a{color:var(--text-muted)}
        .footer-bottom a:hover{color:var(--text)}

        /* RESPONSIVE */
        @media(max-width:1024px){
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .hero{padding:70px 0 80px}
            .hero-stats{gap:24px}
        }
        @media(max-width:768px){
            .topbar{display:none}
            .nav-links{position:fixed;top:var(--nav-height);left:0;width:100%;background:rgba(23,23,42,0.98);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);flex-direction:column;padding:20px;gap:8px;border-bottom:1px solid var(--border);display:none;z-index:99}
            .nav-links.open{display:flex}
            .nav-links a{width:100%;justify-content:center;padding:12px 18px}
            .nav-cta-btn{margin-left:0;width:100%;justify-content:center;margin-top:6px}
            .mobile-toggle{display:block}
            .hero{padding:50px 0 60px}
            .hero h1{font-size:1.7rem}
            .hero-stats{gap:16px}
            .hero-stat-num{font-size:1.6rem}
            .section{padding:50px 0}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .footer-bottom{flex-direction:column;text-align:center}
            .features-grid,.cat-grid{grid-template-columns:1fr}
            .news-item{flex-direction:column;align-items:flex-start}
            .news-thumb{width:100%;height:140px}
            .news-info h4{white-space:normal}
        }
        @media(max-width:520px){
            .container{padding:0 14px}
            .hero-btns{flex-direction:column;align-items:center}
            .btn{width:100%;justify-content:center}
            .hero-stats{flex-direction:column;gap:12px}
            .steps-row{grid-template-columns:1fr}
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
    :root {
        --color-primary: #1a1a2e;
        --color-primary-light: #252547;
        --color-accent: #e94560;
        --color-accent-hover: #d13651;
        --color-gold: #f0a500;
        --color-gold-light: #ffc940;
        --color-success: #00d4aa;
        --color-bg: #f5f6fa;
        --color-bg-alt: #eef1f7;
        --color-card: #ffffff;
        --color-text: #1a1a2e;
        --color-text-secondary: #5a6070;
        --color-text-muted: #8b919e;
        --color-border: #e2e5ec;
        --color-border-light: #eef0f5;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 18px;
        --radius-xl: 24px;
        --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
        --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
        --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
        --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.16);
        --transition-fast: 0.2s ease;
        --transition-normal: 0.3s ease;
        --transition-slow: 0.5s ease;
        --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
        --container-max: 1260px;
        --container-padding: 24px;
        --header-height: 72px;
        --topbar-height: 38px;
    }

    /* ============ Reset & Base ============ */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }

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

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--color-text);
        background-color: var(--color-bg);
        min-height: 100vh;
        display: flex;
        flex-direction: column;
    }

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

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

    button {
        cursor: pointer;
        border: none;
        background: none;
        font-family: inherit;
        font-size: inherit;
    }

    input,
    select {
        font-family: inherit;
        font-size: inherit;
    }

    ul {
        list-style: none;
    }

    /* ============ Container ============ */
    .container {
        width: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 var(--container-padding);
    }

    /* ============ Top Bar ============ */
    .topbar {
        background: var(--color-primary);
        color: #c0c5d0;
        font-size: 13px;
        height: var(--topbar-height);
        line-height: var(--topbar-height);
        overflow: hidden;
    }
    .topbar .container {
        display: flex;
        justify-content: space-between;
        align-items: center;
        height: 100%;
    }
    .topbar-left {
        display: flex;
        align-items: center;
        gap: 20px;
    }
    .topbar-left span {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .topbar-left i {
        color: var(--color-gold);
        font-size: 11px;
    }
    .topbar-right {
        display: flex;
        align-items: center;
        gap: 16px;
    }
    .topbar-right a {
        color: #c0c5d0;
        transition: color var(--transition-fast);
    }
    .topbar-right a:hover {
        color: var(--color-gold-light);
    }

    /* ============ Header ============ */
    .header {
        background: #ffffff;
        border-bottom: 1px solid var(--color-border-light);
        position: sticky;
        top: 0;
        z-index: 1000;
        box-shadow: var(--shadow-sm);
        height: var(--header-height);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-height);
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 12px;
        font-weight: 700;
        font-size: 1.25rem;
        color: var(--color-primary);
        letter-spacing: 0.02em;
        transition: opacity var(--transition-fast);
    }
    .logo:hover {
        opacity: 0.85;
    }
    .logo-icon {
        width: 42px;
        height: 42px;
        border-radius: var(--radius-md);
        background: linear-gradient(135deg, var(--color-accent), #ff6b81);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1.2rem;
        box-shadow: 0 4px 12px rgba(233, 69, 96, 0.3);
    }
    .logo span {
        white-space: nowrap;
    }
    nav {
        display: flex;
        align-items: center;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-links li a {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 10px 18px;
        border-radius: var(--radius-md);
        font-weight: 500;
        font-size: 0.95rem;
        color: var(--color-text-secondary);
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .nav-links li a:hover {
        background: var(--color-bg-alt);
        color: var(--color-primary);
    }
    .nav-links li a.active {
        background: rgba(233, 69, 96, 0.08);
        color: var(--color-accent);
        font-weight: 600;
    }
    .nav-links li a.active i {
        color: var(--color-accent);
    }
    .nav-cta-btn {
        background: linear-gradient(135deg, var(--color-accent), #ff5e78) !important;
        color: #fff !important;
        font-weight: 600 !important;
        padding: 10px 22px !important;
        border-radius: var(--radius-md) !important;
        box-shadow: 0 4px 14px rgba(233, 69, 96, 0.35);
        transition: all var(--transition-fast) !important;
    }
    .nav-cta-btn:hover {
        box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5) !important;
        transform: translateY(-2px);
        background: linear-gradient(135deg, var(--color-accent-hover), #ff4d6a) !important;
    }
    .mobile-toggle {
        display: none;
        font-size: 1.4rem;
        color: var(--color-text);
        padding: 8px;
        border-radius: var(--radius-sm);
        transition: background var(--transition-fast);
    }
    .mobile-toggle:hover {
        background: var(--color-bg-alt);
    }

    /* ============ Main ============ */
    main {
        flex: 1;
    }

    /* ============ Category Banner ============ */
    .category-banner {
        position: relative;
        background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
        min-height: 340px;
        display: flex;
        align-items: center;
        overflow: hidden;
    }
    .category-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(26, 26, 46, 0.88) 0%, rgba(26, 26, 46, 0.7) 40%, rgba(233, 69, 96, 0.35) 100%);
        z-index: 1;
    }
    .category-banner .container {
        position: relative;
        z-index: 2;
        padding-top: 50px;
        padding-bottom: 50px;
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: rgba(255, 255, 255, 0.75);
        margin-bottom: 20px;
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: rgba(255, 255, 255, 0.85);
        transition: color var(--transition-fast);
    }
    .breadcrumb a:hover {
        color: #fff;
    }
    .breadcrumb .separator {
        color: rgba(255, 255, 255, 0.5);
        font-size: 0.8rem;
    }
    .breadcrumb .current {
        color: var(--color-gold-light);
        font-weight: 500;
    }
    .category-banner h1 {
        font-size: 2.8rem;
        font-weight: 800;
        color: #fff;
        letter-spacing: 0.03em;
        margin-bottom: 14px;
        line-height: 1.25;
    }
    .category-banner .banner-subtitle {
        font-size: 1.1rem;
        color: rgba(255, 255, 255, 0.8);
        max-width: 600px;
        line-height: 1.7;
    }
    .category-stats {
        display: flex;
        gap: 32px;
        margin-top: 24px;
        flex-wrap: wrap;
    }
    .category-stat {
        display: flex;
        align-items: center;
        gap: 8px;
        color: rgba(255, 255, 255, 0.9);
        font-size: 0.95rem;
    }
    .category-stat i {
        color: var(--color-gold);
        font-size: 1.1rem;
    }
    .category-stat strong {
        color: #fff;
        font-size: 1.3rem;
        font-weight: 700;
    }

    /* ============ Section ============ */
    .section {
        padding: 60px 0;
    }
    .section-sm {
        padding: 40px 0;
    }
    .section-title {
        font-size: 1.8rem;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 8px;
        letter-spacing: 0.02em;
    }
    .section-subtitle {
        font-size: 1rem;
        color: var(--color-text-muted);
        margin-bottom: 36px;
    }
    .section-header {
        display: flex;
        justify-content: space-between;
        align-items: flex-end;
        flex-wrap: wrap;
        gap: 16px;
        margin-bottom: 32px;
    }
    .section-header-left .section-title {
        margin-bottom: 4px;
    }

    /* ============ Filter Bar ============ */
    .filter-bar {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        padding: 18px 0;
        border-bottom: 1px solid var(--color-border-light);
        margin-bottom: 32px;
    }
    .filter-label {
        font-weight: 600;
        color: var(--color-text);
        font-size: 0.9rem;
        white-space: nowrap;
    }
    .filter-tags {
        display: flex;
        gap: 8px;
        flex-wrap: wrap;
    }
    .filter-tag {
        padding: 8px 18px;
        border-radius: 50px;
        font-size: 0.88rem;
        font-weight: 500;
        color: var(--color-text-secondary);
        background: var(--color-bg-alt);
        border: 1px solid transparent;
        cursor: pointer;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .filter-tag:hover {
        background: #e8ecf3;
        color: var(--color-primary);
    }
    .filter-tag.active {
        background: var(--color-accent);
        color: #fff;
        border-color: var(--color-accent);
        font-weight: 600;
        box-shadow: 0 3px 10px rgba(233, 69, 96, 0.3);
    }
    .filter-sort {
        margin-left: auto;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .filter-sort select {
        padding: 8px 32px 8px 14px;
        border-radius: var(--radius-sm);
        border: 1px solid var(--color-border);
        background: #fff;
        color: var(--color-text);
        font-size: 0.9rem;
        cursor: pointer;
        appearance: none;
        background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%235a6070' stroke-width='2'%3E%3Cpath d='M6 9l6 6 6-6'%3E%3C/path%3E%3C/svg%3E");
        background-repeat: no-repeat;
        background-position: right 10px center;
        transition: border-color var(--transition-fast);
    }
    .filter-sort select:focus {
        outline: none;
        border-color: var(--color-accent);
        box-shadow: 0 0 0 3px rgba(233, 69, 96, 0.1);
    }

    /* ============ Game Cards Grid ============ */
    .game-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .game-card {
        background: var(--color-card);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-normal);
        display: flex;
        flex-direction: column;
    }
    .game-card:hover {
        box-shadow: var(--shadow-lg);
        transform: translateY(-6px);
        border-color: #d5dae4;
    }
    .game-card-image {
        position: relative;
        overflow: hidden;
        aspect-ratio: 16 / 9;
        background: #eef1f7;
    }
    .game-card-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }
    .game-card:hover .game-card-image img {
        transform: scale(1.06);
    }
    .game-card-badge {
        position: absolute;
        top: 12px;
        left: 12px;
        padding: 5px 12px;
        border-radius: 50px;
        font-size: 0.75rem;
        font-weight: 700;
        color: #fff;
        letter-spacing: 0.04em;
        z-index: 2;
    }
    .badge-hot {
        background: linear-gradient(135deg, var(--color-accent), #ff5e78);
    }
    .badge-new {
        background: linear-gradient(135deg, var(--color-success), #00e6b8);
    }
    .badge-recommend {
        background: linear-gradient(135deg, var(--color-gold), #ffb800);
    }
    .game-card-body {
        padding: 18px 20px 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .game-card-title {
        font-size: 1.15rem;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 6px;
        line-height: 1.3;
    }
    .game-card-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.82rem;
        color: var(--color-text-muted);
        margin-bottom: 10px;
        flex-wrap: wrap;
    }
    .game-card-meta .game-type {
        padding: 3px 10px;
        border-radius: 50px;
        background: var(--color-bg-alt);
        font-weight: 500;
        color: var(--color-text-secondary);
    }
    .game-card-rating {
        display: flex;
        align-items: center;
        gap: 4px;
        color: var(--color-gold);
        font-weight: 600;
    }
    .game-card-rating i {
        font-size: 0.8rem;
    }
    .game-card-desc {
        font-size: 0.88rem;
        color: var(--color-text-secondary);
        line-height: 1.6;
        margin-bottom: 14px;
        flex: 1;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .game-card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
    }
    .game-card-size {
        font-size: 0.8rem;
        color: var(--color-text-muted);
    }
    .btn-download-sm {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: var(--radius-sm);
        font-weight: 600;
        font-size: 0.88rem;
        background: var(--color-accent);
        color: #fff;
        transition: all var(--transition-fast);
        white-space: nowrap;
    }
    .btn-download-sm:hover {
        background: var(--color-accent-hover);
        box-shadow: 0 4px 14px rgba(233, 69, 96, 0.4);
        transform: translateY(-2px);
    }

    /* ============ Featured Block ============ */
    .featured-block {
        background: var(--color-card);
        border-radius: var(--radius-xl);
        padding: 40px;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--color-border-light);
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 36px;
        align-items: center;
    }
    .featured-image {
        border-radius: var(--radius-lg);
        overflow: hidden;
        aspect-ratio: 4 / 3;
        box-shadow: var(--shadow-md);
    }
    .featured-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .featured-content h3 {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--color-primary);
        margin-bottom: 8px;
    }
    .featured-content .featured-tag {
        display: inline-block;
        padding: 5px 12px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
        background: rgba(233, 69, 96, 0.1);
        color: var(--color-accent);
        margin-bottom: 14px;
    }
    .featured-content p {
        color: var(--color-text-secondary);
        line-height: 1.8;
        margin-bottom: 20px;
    }
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        border-radius: var(--radius-md);
        font-weight: 600;
        font-size: 1rem;
        background: linear-gradient(135deg, var(--color-accent), #ff5e78);
        color: #fff;
        box-shadow: 0 4px 16px rgba(233, 69, 96, 0.35);
        transition: all var(--transition-fast);
    }
    .btn-primary:hover {
        box-shadow: 0 8px 24px rgba(233, 69, 96, 0.5);
        transform: translateY(-3px);
    }
    .btn-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 11px 26px;
        border-radius: var(--radius-md);
        font-weight: 600;
        font-size: 1rem;
        border: 2px solid var(--color-border);
        color: var(--color-primary);
        background: transparent;
        transition: all var(--transition-fast);
        margin-left: 12px;
    }
    .btn-outline:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background: rgba(233, 69, 96, 0.04);
    }

    /* ============ Ranking List ============ */
    .ranking-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }
    .ranking-item {
        display: flex;
        align-items: center;
        gap: 16px;
        background: var(--color-card);
        border-radius: var(--radius-md);
        padding: 16px 20px;
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-fast);
    }
    .ranking-item:hover {
        box-shadow: var(--shadow-md);
        border-color: #d5dae4;
    }
    .ranking-num {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 800;
        font-size: 1.1rem;
        color: #fff;
        flex-shrink: 0;
    }
    .ranking-num.top1 {
        background: linear-gradient(135deg, #f0a500, #ffc940);
    }
    .ranking-num.top2 {
        background: linear-gradient(135deg, #a0b0c0, #c0cdd8);
    }
    .ranking-num.top3 {
        background: linear-gradient(135deg, #c8845c, #d4a080);
    }
    .ranking-num.other {
        background: #dde1e8;
        color: var(--color-text-secondary);
    }
    .ranking-info {
        flex: 1;
        min-width: 0;
    }
    .ranking-name {
        font-weight: 700;
        color: var(--color-primary);
        font-size: 1rem;
    }
    .ranking-type {
        font-size: 0.8rem;
        color: var(--color-text-muted);
    }
    .ranking-rating {
        font-weight: 600;
        color: var(--color-gold);
        white-space: nowrap;
    }
    .ranking-rating i {
        margin-right: 2px;
    }

    /* ============ CTA ============ */
    .cta-section {
        background: linear-gradient(135deg, var(--color-primary) 0%, #252547 100%);
        padding: 60px 0;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-section::before {
        content: '';
        position: absolute;
        top: -50%;
        left: -50%;
        width: 200%;
        height: 200%;
        background: radial-gradient(circle at 70% 30%, rgba(233, 69, 96, 0.2) 0%, transparent 50%);
    }
    .cta-section .container {
        position: relative;
        z-index: 1;
    }
    .cta-section h2 {
        font-size: 2rem;
        font-weight: 800;
        color: #fff;
        margin-bottom: 12px;
    }
    .cta-section p {
        color: rgba(255, 255, 255, 0.8);
        font-size: 1.05rem;
        margin-bottom: 28px;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-buttons {
        display: flex;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
    }
    .btn-cta-large {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 36px;
        border-radius: var(--radius-md);
        font-weight: 700;
        font-size: 1.08rem;
        background: #fff;
        color: var(--color-primary);
        transition: all var(--transition-fast);
        box-shadow: 0 6px 24px rgba(0, 0, 0, 0.3);
    }
    .btn-cta-large:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 32px rgba(0, 0, 0, 0.4);
    }
    .btn-cta-outline {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 14px 36px;
        border-radius: var(--radius-md);
        font-weight: 700;
        font-size: 1.08rem;
        border: 2px solid rgba(255, 255, 255, 0.6);
        color: #fff;
        background: transparent;
        transition: all var(--transition-fast);
    }
    .btn-cta-outline:hover {
        border-color: #fff;
        background: rgba(255, 255, 255, 0.08);
        transform: translateY(-3px);
    }

    /* ============ FAQ ============ */
    .faq-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
        max-width: 800px;
    }
    .faq-item {
        background: var(--color-card);
        border-radius: var(--radius-md);
        border: 1px solid var(--color-border-light);
        overflow: hidden;
        transition: all var(--transition-fast);
    }
    .faq-item:hover {
        box-shadow: var(--shadow-sm);
    }
    .faq-question {
        padding: 18px 24px;
        font-weight: 600;
        cursor: pointer;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: var(--color-primary);
        font-size: 1rem;
        transition: color var(--transition-fast);
    }
    .faq-question:hover {
        color: var(--color-accent);
    }
    .faq-question i {
        transition: transform var(--transition-fast);
        color: var(--color-text-muted);
        font-size: 0.9rem;
    }
    .faq-item.open .faq-question i {
        transform: rotate(180deg);
        color: var(--color-accent);
    }
    .faq-answer {
        padding: 0 24px 18px;
        color: var(--color-text-secondary);
        line-height: 1.8;
        font-size: 0.95rem;
        display: none;
    }
    .faq-item.open .faq-answer {
        display: block;
    }

    /* ============ Footer ============ */
    .footer {
        background: var(--color-primary);
        color: #c0c5d0;
        padding: 50px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr 1fr;
        gap: 36px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .footer-brand .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 14px;
        color: #fff;
        font-weight: 700;
        font-size: 1.15rem;
    }
    .footer-brand .logo-icon {
        width: 38px;
        height: 38px;
        border-radius: var(--radius-sm);
        background: linear-gradient(135deg, var(--color-accent), #ff6b81);
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 1rem;
    }
    .footer-brand p {
        font-size: 0.9rem;
        line-height: 1.7;
        color: #9da3b0;
        max-width: 300px;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 14px;
        letter-spacing: 0.03em;
    }
    .footer-col ul {
        display: flex;
        flex-direction: column;
        gap: 10px;
    }
    .footer-col ul li a {
        color: #9da3b0;
        font-size: 0.9rem;
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--color-gold-light);
    }
    .footer-bottom {
        padding-top: 20px;
        display: flex;
        flex-direction: column;
        gap: 8px;
        font-size: 0.82rem;
        color: #7a8090;
    }

    /* ============ Responsive ============ */
    @media (max-width: 1024px) {
        .game-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .featured-block {
            grid-template-columns: 1fr;
            padding: 28px;
        }
        .featured-image {
            aspect-ratio: 16 / 9;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .footer-brand {
            grid-column: 1 / -1;
        }
        .category-banner h1 {
            font-size: 2.2rem;
        }
    }

    @media (max-width: 768px) {
        .topbar {
            display: none;
        }
        .header {
            height: auto;
            min-height: 60px;
        }
        .header-inner {
            height: auto;
            min-height: 60px;
            flex-wrap: wrap;
            padding: 10px 0;
        }
        .mobile-toggle {
            display: block;
        }
        .nav-links {
            display: none;
            flex-direction: column;
            width: 100%;
            padding: 12px 0;
            gap: 4px;
            background: #fff;
            border-top: 1px solid var(--color-border-light);
            margin-top: 8px;
        }
        .nav-links.show {
            display: flex;
        }
        .nav-links li {
            width: 100%;
        }
        .nav-links li a {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
        }
        .game-grid {
            grid-template-columns: 1fr;
            gap: 18px;
        }
        .filter-bar {
            flex-direction: column;
            align-items: flex-start;
            gap: 10px;
        }
        .filter-sort {
            margin-left: 0;
            width: 100%;
        }
        .filter-sort select {
            width: 100%;
        }
        .category-banner {
            min-height: 260px;
        }
        .category-banner h1 {
            font-size: 1.7rem;
        }
        .category-stats {
            gap: 16px;
        }
        .section {
            padding: 40px 0;
        }
        .section-title {
            font-size: 1.4rem;
        }
        .featured-block {
            padding: 20px;
            gap: 20px;
        }
        .featured-content h3 {
            font-size: 1.25rem;
        }
        .cta-section h2 {
            font-size: 1.5rem;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .btn-outline {
            margin-left: 0;
            margin-top: 10px;
        }
        .ranking-item {
            flex-wrap: wrap;
            gap: 10px;
        }
    }

    @media (max-width: 520px) {
        .category-banner h1 {
            font-size: 1.4rem;
        }
        .category-banner .banner-subtitle {
            font-size: 0.9rem;
        }
        .category-stats {
            gap: 10px;
            flex-direction: column;
        }
        .game-card-body {
            padding: 14px 16px 16px;
        }
        .game-card-title {
            font-size: 1rem;
        }
        .filter-tags {
            gap: 6px;
        }
        .filter-tag {
            padding: 6px 14px;
            font-size: 0.8rem;
        }
        .cta-buttons {
            flex-direction: column;
            align-items: center;
        }
        .btn-cta-large,
        .btn-cta-outline {
            width: 100%;
            justify-content: center;
        }
        .section-title {
            font-size: 1.25rem;
        }
        .featured-content .btn-primary,
        .featured-content .btn-outline {
            display: block;
            width: 100%;
            text-align: center;
            margin-left: 0;
            margin-top: 8px;
        }
    }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #16213e;
            --secondary: #e94560;
            --accent: #0f3460;
            --gold: #f0a500;
            --bg: #f8fafc;
            --bg-alt: #f1f5f9;
            --surface: #ffffff;
            --text: #1e293b;
            --text-secondary: #64748b;
            --text-muted: #94a3b8;
            --border: #e2e8f0;
            --border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.07), 0 2px 4px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 10px 25px rgba(0, 0, 0, 0.08), 0 4px 10px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 20px 40px rgba(0, 0, 0, 0.10), 0 8px 16px rgba(0, 0, 0, 0.05);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1140px;
            --article-max: 760px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background-color: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            font-size: inherit;
        }
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container--article {
            max-width: 960px;
        }

        /* Reading Progress Bar */
        .reading-progress {
            position: fixed;
            top: 0;
            left: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--secondary), var(--gold));
            z-index: 10000;
            transition: width 0.1s linear;
            border-radius: 0 2px 2px 0;
            pointer-events: none;
        }

        /* Header */
        .header {
            background: var(--primary);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 16px rgba(0, 0, 0, 0.18);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 64px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            letter-spacing: 0.5px;
            white-space: nowrap;
            transition: opacity var(--transition);
        }
        .logo:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--secondary), #ff6b81);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #fff;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 9px 16px;
            border-radius: var(--radius-sm);
            color: #cbd5e1;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-links li a:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links li a.active {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 600;
        }
        .nav-cta-btn {
            background: linear-gradient(135deg, var(--secondary), #ff6b81) !important;
            color: #fff !important;
            font-weight: 600 !important;
            padding: 9px 18px !important;
            border-radius: 20px !important;
            box-shadow: 0 4px 12px rgba(233, 69, 96, 0.35);
            transition: all var(--transition) !important;
        }
        .nav-cta-btn:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.5) !important;
            background: linear-gradient(135deg, #ff5a75, #ff7b90) !important;
        }
        .mobile-toggle {
            display: none;
            color: #fff;
            font-size: 1.5rem;
            padding: 6px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Article Banner */
        .article-banner {
            position: relative;
            background: var(--primary-light);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            padding: 40px 0;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(26, 26, 46, 0.92) 0%, rgba(26, 26, 46, 0.55) 55%, rgba(26, 26, 46, 0.3) 100%);
            z-index: 1;
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.9rem;
            color: #cbd5e1;
            margin-bottom: 16px;
        }
        .breadcrumb a {
            color: #e2e8f0;
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: #ffffff;
        }
        .breadcrumb .sep {
            color: #64748b;
            font-size: 0.75rem;
        }
        .breadcrumb .current {
            color: var(--gold);
            font-weight: 500;
        }
        .article-banner-title {
            font-size: 2rem;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.3;
            letter-spacing: 0.3px;
            max-width: 800px;
        }
        .article-banner-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-top: 12px;
            color: #cbd5e1;
            font-size: 0.9rem;
        }
        .article-banner-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-banner-meta .category-tag {
            background: var(--secondary);
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            font-weight: 600;
        }

        /* Main Layout */
        .article-main {
            padding: 48px 0 var(--section-gap);
            flex: 1;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            align-items: start;
        }
        .article-content-area {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
        }
        .article-cover {
            width: 100%;
            max-height: 420px;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .article-body {
            padding: 36px 40px 40px;
        }

        /* Prose Styles */
        .article-prose {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-prose h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            letter-spacing: 0.3px;
        }
        .article-prose h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--text);
            margin: 24px 0 10px;
        }
        .article-prose p {
            margin-bottom: 16px;
        }
        .article-prose ul,
        .article-prose ol {
            margin: 12px 0 20px 20px;
        }
        .article-prose ul {
            list-style: disc;
        }
        .article-prose ol {
            list-style: decimal;
        }
        .article-prose li {
            margin-bottom: 8px;
        }
        .article-prose blockquote {
            border-left: 4px solid var(--secondary);
            background: #fef2f4;
            padding: 16px 20px;
            margin: 20px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: #7f1d2e;
            font-style: italic;
            font-size: 1rem;
        }
        .article-prose img {
            border-radius: var(--radius);
            margin: 20px 0;
            box-shadow: var(--shadow);
            max-width: 100%;
        }
        .article-prose table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 0.95rem;
        }
        .article-prose table th,
        .article-prose table td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }
        .article-prose table th {
            background: var(--bg-alt);
            font-weight: 600;
            color: var(--primary);
        }
        .article-prose code {
            background: #f1f5f9;
            padding: 2px 7px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--accent);
        }
        .article-prose pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px;
            border-radius: var(--radius);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .article-prose pre code {
            background: none;
            color: inherit;
            padding: 0;
            font-size: inherit;
        }
        .article-prose .highlight-box {
            background: linear-gradient(135deg, #eff6ff, #f0f9ff);
            border: 1px solid #bae6fd;
            border-radius: var(--radius);
            padding: 18px 20px;
            margin: 20px 0;
            font-size: 0.95rem;
            color: #075985;
        }
        .article-prose .highlight-box strong {
            color: #0c4a6e;
        }

        /* Article Footer Section */
        .article-tags-row {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 28px;
            padding-top: 20px;
            border-top: 1px solid var(--border-light);
        }
        .article-tag {
            background: var(--bg-alt);
            color: var(--text-secondary);
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.85rem;
            transition: all var(--transition);
        }
        .article-tag:hover {
            background: var(--accent);
            color: #fff;
        }
        .article-share-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 16px;
            flex-wrap: wrap;
        }
        .article-share-row span {
            font-weight: 600;
            color: var(--text);
            font-size: 0.9rem;
        }
        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .share-btn:hover {
            transform: scale(1.1);
            color: #fff;
        }
        .share-btn--wechat {
            background: #07c160;
        }
        .share-btn--weibo {
            background: #e6162d;
        }
        .share-btn--copy {
            background: var(--text-secondary);
        }

        /* Author Card */
        .author-card {
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 16px 20px;
            margin-top: 24px;
        }
        .author-avatar {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .author-info strong {
            display: block;
            color: var(--text);
            font-size: 0.95rem;
        }
        .author-info span {
            color: var(--text-secondary);
            font-size: 0.85rem;
        }

        /* Sidebar */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: sticky;
            top: 80px;
        }
        .sidebar-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 22px 20px;
        }
        .sidebar-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 16px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border);
            letter-spacing: 0.3px;
        }
        .sidebar-card ul li {
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }
        .sidebar-card ul li a {
            color: var(--text);
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .sidebar-card ul li a:hover {
            color: var(--secondary);
        }
        .sidebar-card ul li a .fa-li {
            color: var(--secondary);
            font-size: 0.7rem;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
        }
        .sidebar-cta h4 {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }
        .sidebar-cta p {
            font-size: 0.9rem;
            color: #cbd5e1;
            margin-bottom: 14px;
        }
        .sidebar-cta .btn-sidebar {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 10px 22px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition);
        }
        .sidebar-cta .btn-sidebar:hover {
            background: #ff5a75;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(233, 69, 96, 0.4);
            color: #fff;
        }

        /* Related Posts */
        .related-section {
            padding: 0 0 var(--section-gap);
        }
        .related-section .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .related-section .section-header h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
        }
        .related-section .section-header .subtitle {
            color: var(--text-secondary);
            font-size: 0.95rem;
            margin-top: 6px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .related-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            display: block;
        }
        .related-card-body {
            padding: 16px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card-body .card-cat {
            font-size: 0.78rem;
            color: var(--secondary);
            font-weight: 600;
            margin-bottom: 6px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .related-card-body h5 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            line-height: 1.4;
            margin-bottom: 8px;
            flex: 1;
        }
        .related-card-body .card-date {
            font-size: 0.8rem;
            color: var(--text-muted);
        }
        .related-card-body a {
            color: inherit;
            transition: color var(--transition);
        }
        .related-card-body a:hover h5 {
            color: var(--secondary);
        }

        /* Not Found State */
        .not-found-area {
            text-align: center;
            padding: 60px 24px;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .not-found-area .nf-icon {
            font-size: 4rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .not-found-area h2 {
            font-size: 1.5rem;
            color: var(--text);
            margin-bottom: 10px;
        }
        .not-found-area p {
            color: var(--text-secondary);
            margin-bottom: 20px;
        }
        .btn-back {
            display: inline-block;
            background: var(--secondary);
            color: #fff;
            padding: 11px 24px;
            border-radius: 20px;
            font-weight: 600;
            transition: all var(--transition);
        }
        .btn-back:hover {
            background: #ff5a75;
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(233, 69, 96, 0.4);
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(135deg, var(--primary), #0f1b2d);
            padding: 48px 0;
            text-align: center;
            color: #fff;
        }
        .cta-section h3 {
            font-size: 1.5rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: #cbd5e1;
            margin-bottom: 20px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--secondary), #ff6b81);
            color: #fff;
            padding: 12px 28px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 1rem;
            transition: all var(--transition);
            box-shadow: 0 6px 20px rgba(233, 69, 96, 0.4);
        }
        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(233, 69, 96, 0.55);
            color: #fff;
        }

        /* Footer */
        .footer {
            background: #0f172a;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: auto;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        .footer-brand .logo {
            margin-bottom: 12px;
            font-size: 1.1rem;
            color: #fff;
        }
        .footer-brand .logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 1rem;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: #94a3b8;
            line-height: 1.6;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }
        .footer-col ul li {
            margin-bottom: 7px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.8rem;
            color: #64748b;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .sidebar {
                position: static;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 16px;
            }
            .sidebar-card,
            .sidebar-cta {
                flex: 1 1 240px;
                min-width: 220px;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 56px;
            }
            .logo {
                font-size: 1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: 56px;
                left: 0;
                right: 0;
                background: var(--primary);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: 0 8px 24px rgba(0, 0, 0, 0.3);
                border-top: 1px solid rgba(255, 255, 255, 0.06);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links li a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .mobile-toggle {
                display: block;
            }
            .article-banner {
                min-height: 200px;
                padding: 28px 0;
            }
            .article-banner-title {
                font-size: 1.4rem;
            }
            .article-body {
                padding: 24px 20px 28px;
            }
            .article-prose {
                font-size: 0.98rem;
            }
            .article-prose h2 {
                font-size: 1.3rem;
            }
            .article-prose h3 {
                font-size: 1.1rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .related-card-img {
                height: 200px;
            }
            .sidebar {
                flex-direction: column;
            }
            .sidebar-card,
            .sidebar-cta {
                flex: 1 1 auto;
                min-width: 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .article-banner-meta {
                gap: 10px;
                font-size: 0.8rem;
            }
            .container {
                padding: 0 16px;
            }
            :root {
                --section-gap: 48px;
            }
        }

        @media (max-width: 520px) {
            .article-banner-title {
                font-size: 1.2rem;
            }
            .article-body {
                padding: 18px 14px 22px;
            }
            .article-prose {
                font-size: 0.93rem;
                line-height: 1.7;
            }
            .related-card-img {
                height: 160px;
            }
            .cta-section h3 {
                font-size: 1.2rem;
            }
            .author-card {
                flex-direction: column;
                text-align: center;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }