/* roulang page: index */
:root {
            --bg-dark: #0a0e14;
            --bg-card: #131820;
            --bg-sidebar: #0d1117;
            --bg-hover: #1a2332;
            --primary: #ff6a3e;
            --primary-light: #ff9066;
            --accent: #4ade80;
            --text-main: #e1e4e8;
            --text-dim: #8b949e;
            --border-color: #21262d;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
            --shadow-btn: 0 8px 20px rgba(255,106,62,0.3);
            --transition: 0.2s ease;
            --sidebar-width: 260px;
            --header-height: 64px;
            --max-main-width: 1200px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg-dark);
            color: var(--text-main);
            line-height: 1.6;
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        button, input, textarea {
            font-family: inherit;
        }
        .sidebar {
            width: var(--sidebar-width);
            height: 100vh;
            position: fixed;
            left: 0;
            top: 0;
            background: var(--bg-sidebar);
            border-right: 1px solid var(--border-color);
            display: flex;
            flex-direction: column;
            padding: 24px 20px;
            z-index: 1000;
            overflow-y: auto;
        }
        .logo {
            font-size: 1.4rem;
            font-weight: 700;
            background: linear-gradient(135deg, #ff6a3e, #ff9066);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 32px;
            white-space: nowrap;
        }
        .nav-menu {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .nav-menu li a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            color: var(--text-dim);
            font-weight: 500;
            font-size: 1rem;
            transition: background 0.2s, color 0.2s;
        }
        .nav-menu li a i {
            width: 20px;
            text-align: center;
            font-size: 1.1rem;
        }
        .nav-menu li a:hover {
            background: var(--bg-hover);
            color: #fff;
        }
        .nav-menu li a.active {
            background: rgba(255,106,62,0.15);
            color: var(--primary);
            font-weight: 600;
        }
        .main-content {
            margin-left: var(--sidebar-width);
            flex: 1;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .mobile-header {
            display: none;
        }
        .hero {
            position: relative;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height: 70vh;
            display: flex;
            align-items: center;
            padding: 60px 40px;
            color: #fff;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10,14,20,0.85) 0%, rgba(10,14,20,0.3) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255,106,62,0.2);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 600;
            margin-bottom: 24px;
            backdrop-filter: blur(4px);
        }
        .hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.5rem);
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            text-shadow: 0 2px 12px rgba(0,0,0,0.4);
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.8);
            margin-bottom: 36px;
            max-width: 500px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            background: #ff7b52;
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(255,106,62,0.4);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid rgba(255,255,255,0.5);
            color: #fff;
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.1);
            border-color: #fff;
        }
        .section {
            padding: 80px 40px;
        }
        .container {
            max-width: var(--max-main-width);
            margin: 0 auto;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-dim);
            margin-bottom: 48px;
            max-width: 600px;
        }
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 28px;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: var(--primary);
        }
        .feature-icon {
            width: 50px;
            height: 50px;
            background: rgba(255,106,62,0.15);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        .feature-card h3 {
            font-size: 1.3rem;
            margin-bottom: 12px;
            color: #fff;
        }
        .feature-card p {
            color: var(--text-dim);
            line-height: 1.7;
        }
        .category-entry-section {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 48px;
            margin: 0 40px 40px;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }
        .category-img {
            width: 180px;
            height: 180px;
            border-radius: var(--radius-md);
            object-fit: cover;
            box-shadow: 0 8px 24px rgba(0,0,0,0.4);
        }
        .category-info h3 {
            font-size: 2rem;
            color: #fff;
        }
        .category-info p {
            color: var(--text-dim);
            margin: 12px 0 24px;
            max-width: 400px;
        }
        .news-list {
            display: grid;
            gap: 20px;
        }
        .news-item {
            display: flex;
            align-items: center;
            gap: 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            padding: 18px 24px;
            border-radius: var(--radius-sm);
            transition: background 0.2s;
        }
        .news-item:hover {
            background: var(--bg-hover);
        }
        .news-thumb {
            width: 80px;
            height: 80px;
            border-radius: 10px;
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-content h4 {
            font-size: 1.1rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .news-meta {
            font-size: 0.85rem;
            color: var(--text-dim);
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .stats-section {
            background: linear-gradient(135deg, #151b26, #0d131e);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            margin: 0 40px 40px;
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
            gap: 30px;
        }
        .stat-item {
            text-align: center;
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }
        .stat-label {
            color: var(--text-dim);
            margin-top: 8px;
        }
        .process-steps {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 36px 24px;
            width: 240px;
            text-align: center;
            position: relative;
        }
        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -18px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--primary);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(255,106,62,0.4);
        }
        .step-card h4 {
            margin-top: 12px;
            color: #fff;
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 18px 24px;
            cursor: pointer;
            transition: background 0.2s;
        }
        .faq-item:hover {
            background: var(--bg-hover);
        }
        .faq-question {
            font-weight: 600;
            color: #fff;
            display: flex;
            justify-content: space-between;
        }
        .faq-answer {
            color: var(--text-dim);
            margin-top: 12px;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .cta-section {
            background: radial-gradient(circle at top left, #1e2a3a, #0d131e);
            border-radius: var(--radius-lg);
            padding: 64px 40px;
            text-align: center;
            margin: 0 40px 40px;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            color: #fff;
        }
        .cta-section p {
            color: var(--text-dim);
            margin: 16px 0 28px;
        }
        .footer {
            margin-top: auto;
            padding: 40px 40px;
            border-top: 1px solid var(--border-color);
            color: var(--text-dim);
            font-size: 0.9rem;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 20px;
        }
        .footer a {
            color: var(--primary);
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
        }
        @media (max-width: 1024px) {
            .sidebar {
                display: none;
            }
            body {
                flex-direction: column;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
                align-items: center;
                justify-content: space-between;
                padding: 0 20px;
                height: var(--header-height);
                background: var(--bg-sidebar);
                border-bottom: 1px solid var(--border-color);
                position: sticky;
                top: 0;
                z-index: 999;
            }
            .mobile-header .logo {
                margin-bottom: 0;
                font-size: 1.2rem;
            }
            .mobile-menu-btn {
                display: block;
            }
            .mobile-nav {
                display: none;
                flex-direction: column;
                background: var(--bg-sidebar);
                border-bottom: 1px solid var(--border-color);
                padding: 12px 20px;
                gap: 8px;
            }
            .mobile-nav.open {
                display: flex;
            }
            .mobile-nav a {
                padding: 10px 0;
                font-weight: 500;
            }
            .hero {
                min-height: 50vh;
                padding: 40px 20px;
            }
            .section {
                padding: 60px 20px;
            }
            .category-entry-section {
                margin: 0 20px 30px;
                padding: 28px;
                flex-direction: column;
            }
            .stats-section {
                margin: 0 20px 30px;
                padding: 40px 20px;
            }
            .cta-section {
                margin: 0 20px 30px;
                padding: 40px 20px;
            }
            .footer {
                padding: 30px 20px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.8rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

/* roulang page: article */
:root {
            --nav-width: 252px;
            --color-primary: #1a1a2e;
            --color-primary-light: #252540;
            --color-accent: #ff6b35;
            --color-accent-glow: #ff8c5a;
            --color-hot: #e94560;
            --color-hot-glow: #ff5e7a;
            --color-gold: #f0a500;
            --color-bg: #f5f3f0;
            --color-surface: #ffffff;
            --color-surface-alt: #fdfaf7;
            --color-text: #2d2d38;
            --color-text-soft: #636e78;
            --color-text-light: #8b8b98;
            --color-border: #e8e4df;
            --color-border-light: #f0ede8;
            --color-nav-bg: #141420;
            --color-nav-text: #c5c5d2;
            --color-nav-hover: #ffffff;
            --color-nav-active-bg: rgba(255, 107, 53, 0.12);
            --color-tag-bg: #fff3ed;
            --color-tag-text: #e05528;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-card: 0 2px 12px rgba(0,0,0,0.06), 0 1px 3px rgba(0,0,0,0.04);
            --shadow-card-hover: 0 8px 28px rgba(0,0,0,0.10), 0 3px 8px rgba(0,0,0,0.06);
            --shadow-nav: 2px 0 20px rgba(0,0,0,0.25);
            --shadow-progress: 0 1px 6px rgba(233,69,96,0.3);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --z-nav: 1000;
            --z-progress: 1100;
            --z-mobile-nav: 1050;
            --z-overlay: 1040;
        }

        *,*::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-body);
            font-size:16px;
            line-height:1.7;
            color:var(--color-text);
            background:var(--color-bg);
            display:flex;
            min-height:100vh;
            overflow-x:hidden;
        }

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

        .progress-bar-wrap{
            position:fixed;
            top:0;left:0;right:0;
            height:3px;
            background:rgba(0,0,0,0.06);
            z-index:var(--z-progress);
            pointer-events:none;
        }
        .progress-bar-fill{
            height:100%;
            width:0%;
            background:linear-gradient(90deg,var(--color-hot),var(--color-accent),var(--color-gold));
            border-radius:0 2px 2px 0;
            box-shadow:var(--shadow-progress);
            transition:width 0.1s linear;
        }

        /* ========== LEFT NAVIGATION ========== */
        .site-nav{
            position:fixed;
            top:0;left:0;
            width:var(--nav-width);
            height:100vh;
            background:var(--color-nav-bg);
            z-index:var(--z-nav);
            display:flex;
            flex-direction:column;
            box-shadow:var(--shadow-nav);
            overflow-y:auto;
            overflow-x:hidden;
            transition:transform var(--transition-base);
            scrollbar-width:thin;
            scrollbar-color:rgba(255,255,255,0.12) transparent;
        }
        .site-nav::-webkit-scrollbar{width:4px}
        .site-nav::-webkit-scrollbar-track{background:transparent}
        .site-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,0.12);border-radius:4px}

        .nav-brand{
            padding:28px 22px 20px;
            border-bottom:1px solid rgba(255,255,255,0.07);
            flex-shrink:0;
        }
        .nav-brand a{
            display:flex;
            align-items:center;
            gap:10px;
            font-family:var(--font-heading);
            font-weight:700;
            font-size:1.2rem;
            color:#fff;
            letter-spacing:0.02em;
            transition:opacity var(--transition-fast);
        }
        .nav-brand a:hover{opacity:0.85}
        .nav-brand .brand-icon{
            width:38px;height:38px;
            border-radius:var(--radius-sm);
            background:linear-gradient(135deg,var(--color-accent),var(--color-hot));
            display:flex;align-items:center;justify-content:center;
            font-size:1.1rem;
            color:#fff;
            flex-shrink:0;
        }
        .nav-brand .brand-text{
            display:flex;flex-direction:column;
            line-height:1.2;
        }
        .nav-brand .brand-text .brand-main{
            font-size:1.05rem;
            white-space:nowrap;
        }
        .nav-brand .brand-text .brand-sub{
            font-size:0.68rem;
            color:rgba(255,255,255,0.5);
            font-weight:400;
            letter-spacing:0.04em;
        }

        .nav-menu-wrap{
            flex:1;
            padding:16px 14px;
            display:flex;
            flex-direction:column;
        }
        .nav-menu{
            display:flex;
            flex-direction:column;
            gap:4px;
        }
        .nav-menu li a{
            display:flex;
            align-items:center;
            gap:11px;
            padding:12px 16px;
            border-radius:var(--radius-md);
            color:var(--color-nav-text);
            font-weight:500;
            font-size:0.95rem;
            transition:all var(--transition-fast);
            position:relative;
            letter-spacing:0.01em;
        }
        .nav-menu li a i{
            width:20px;
            text-align:center;
            font-size:0.9rem;
            opacity:0.7;
            transition:opacity var(--transition-fast);
        }
        .nav-menu li a:hover{
            background:rgba(255,255,255,0.05);
            color:var(--color-nav-hover);
        }
        .nav-menu li a:hover i{opacity:1}
        .nav-menu li a.active{
            background:var(--color-nav-active-bg);
            color:#fff;
            font-weight:600;
            box-shadow:inset 3px 0 0 var(--color-accent);
        }
        .nav-menu li a.active i{opacity:1;color:var(--color-accent)}

        .nav-footer{
            padding:14px 18px;
            border-top:1px solid rgba(255,255,255,0.07);
            flex-shrink:0;
            font-size:0.7rem;
            color:rgba(255,255,255,0.35);
            text-align:center;
            line-height:1.5;
        }

        /* ========== MOBILE TOP NAV ========== */
        .mobile-top-nav{
            display:none;
            position:fixed;
            top:0;left:0;right:0;
            height:58px;
            background:var(--color-nav-bg);
            z-index:var(--z-mobile-nav);
            align-items:center;
            justify-content:space-between;
            padding:0 16px;
            box-shadow:0 2px 14px rgba(0,0,0,0.3);
        }
        .mobile-top-nav .mobile-brand{
            display:flex;align-items:center;gap:8px;
            font-weight:700;font-size:1rem;color:#fff;
            font-family:var(--font-heading);
        }
        .mobile-top-nav .mobile-brand .brand-icon{
            width:32px;height:32px;
            border-radius:var(--radius-sm);
            background:linear-gradient(135deg,var(--color-accent),var(--color-hot));
            display:flex;align-items:center;justify-content:center;
            font-size:0.85rem;color:#fff;
        }
        .hamburger-btn{
            width:40px;height:40px;
            display:flex;align-items:center;justify-content:center;
            color:#fff;font-size:1.4rem;
            border-radius:var(--radius-sm);
            transition:background var(--transition-fast);
        }
        .hamburger-btn:hover{background:rgba(255,255,255,0.08)}
        .hamburger-btn:focus-visible{outline:2px solid var(--color-accent);outline-offset:2px;border-radius:var(--radius-sm)}

        .nav-overlay{
            display:none;
            position:fixed;inset:0;
            background:rgba(0,0,0,0.55);
            z-index:var(--z-overlay);
            transition:opacity var(--transition-base);
        }
        .nav-overlay.show{display:block}

        /* ========== MAIN CONTENT AREA ========== */
        .main-wrapper{
            margin-left:var(--nav-width);
            flex:1;
            min-width:0;
            display:flex;
            flex-direction:column;
            transition:margin-left var(--transition-base);
        }

        .content-area{
            flex:1;
            padding:32px 36px 40px;
            max-width:960px;
            width:100%;
            margin:0 auto;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb{
            display:flex;align-items:center;gap:8px;
            flex-wrap:wrap;
            font-size:0.82rem;
            color:var(--color-text-soft);
            margin-bottom:22px;
            padding:0;
        }
        .breadcrumb a{
            color:var(--color-text-soft);
            transition:color var(--transition-fast);
        }
        .breadcrumb a:hover{color:var(--color-accent)}
        .breadcrumb .sep{color:var(--color-text-light);font-size:0.7rem}
        .breadcrumb .current{color:var(--color-text);font-weight:500}

        /* ========== ARTICLE HEADER ========== */
        .article-header{
            margin-bottom:28px;
        }
        .article-cover-wrap{
            position:relative;
            border-radius:var(--radius-lg);
            overflow:hidden;
            margin-bottom:24px;
            background:var(--color-surface);
            box-shadow:var(--shadow-card);
            aspect-ratio:16/9;
            max-height:440px;
        }
        .article-cover-wrap img{
            width:100%;height:100%;
            object-fit:cover;
            display:block;
            transition:transform var(--transition-slow);
        }
        .article-cover-wrap:hover img{transform:scale(1.03)}
        .article-cover-wrap .cover-overlay{
            position:absolute;bottom:0;left:0;right:0;
            height:60%;
            background:linear-gradient(to top,rgba(0,0,0,0.55),transparent);
            pointer-events:none;
        }
        .article-cover-wrap .cover-badge{
            position:absolute;top:18px;left:18px;
            background:var(--color-hot);
            color:#fff;
            font-size:0.78rem;
            font-weight:600;
            padding:6px 14px;
            border-radius:20px;
            letter-spacing:0.03em;
            display:flex;align-items:center;gap:5px;
            z-index:2;
            box-shadow:0 3px 10px rgba(233,69,96,0.35);
        }
        .article-cover-wrap .cover-badge i{font-size:0.65rem}

        .article-meta-top{
            display:flex;align-items:center;gap:14px;
            flex-wrap:wrap;
            margin-bottom:12px;
        }
        .article-category-tag{
            display:inline-flex;align-items:center;gap:5px;
            background:var(--color-tag-bg);
            color:var(--color-tag-text);
            font-size:0.8rem;
            font-weight:600;
            padding:6px 14px;
            border-radius:20px;
            letter-spacing:0.02em;
        }
        .article-date{
            font-size:0.82rem;
            color:var(--color-text-soft);
            display:flex;align-items:center;gap:5px;
        }
        .article-date i{font-size:0.7rem;opacity:0.7}
        .article-hot-badge{
            display:inline-flex;align-items:center;gap:4px;
            background:linear-gradient(135deg,#fff5f0,#ffe8df);
            color:var(--color-accent);
            font-size:0.78rem;
            font-weight:600;
            padding:5px 12px;
            border-radius:20px;
            letter-spacing:0.02em;
        }
        .article-hot-badge i{font-size:0.65rem;animation:pulse-dot 1.6s ease-in-out infinite}
        @keyframes pulse-dot{0%,100%{opacity:1}50%{opacity:0.4}}

        .article-title{
            font-family:var(--font-heading);
            font-size:2rem;
            font-weight:700;
            line-height:1.35;
            color:var(--color-primary);
            margin-bottom:8px;
            letter-spacing:0.01em;
        }

        /* ========== ARTICLE BODY ========== */
        .article-body{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            padding:36px 40px;
            box-shadow:var(--shadow-card);
            line-height:1.85;
            font-size:1.02rem;
            color:var(--color-text);
            word-break:break-word;
            margin-bottom:32px;
        }
        .article-body h2{
            font-family:var(--font-heading);
            font-size:1.45rem;
            font-weight:700;
            color:var(--color-primary);
            margin:32px 0 14px;
            padding-left:14px;
            border-left:4px solid var(--color-accent);
            line-height:1.35;
        }
        .article-body h3{
            font-family:var(--font-heading);
            font-size:1.2rem;
            font-weight:600;
            color:var(--color-primary);
            margin:24px 0 10px;
        }
        .article-body p{margin-bottom:16px}
        .article-body img{
            border-radius:var(--radius-md);
            margin:18px 0;
            max-width:100%;
        }
        .article-body ul,.article-body ol{
            margin:12px 0 18px 22px;
        }
        .article-body ul li,.article-body ol li{
            margin-bottom:6px;
            padding-left:4px;
        }
        .article-body ul li::marker{color:var(--color-accent)}
        .article-body blockquote{
            border-left:4px solid var(--color-accent);
            background:var(--color-surface-alt);
            padding:16px 20px;
            border-radius:0 var(--radius-md) var(--radius-md) 0;
            margin:20px 0;
            color:var(--color-text-soft);
            font-style:italic;
        }
        .article-body a{
            color:var(--color-accent);
            text-decoration:underline;
            text-underline-offset:3px;
        }
        .article-body a:hover{color:var(--color-hot)}

        /* ========== NOT FOUND STATE ========== */
        .not-found-block{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            padding:60px 40px;
            text-align:center;
            box-shadow:var(--shadow-card);
        }
        .not-found-block .nf-icon{
            font-size:4rem;
            color:var(--color-text-light);
            margin-bottom:16px;
        }
        .not-found-block h2{
            font-family:var(--font-heading);
            font-size:1.6rem;
            color:var(--color-primary);
            margin-bottom:10px;
        }
        .not-found-block p{
            color:var(--color-text-soft);
            margin-bottom:24px;
            font-size:0.98rem;
        }
        .btn-back{
            display:inline-flex;align-items:center;gap:7px;
            background:var(--color-accent);
            color:#fff;
            font-weight:600;
            padding:12px 26px;
            border-radius:50px;
            font-size:0.95rem;
            transition:all var(--transition-base);
            letter-spacing:0.02em;
        }
        .btn-back:hover{
            background:var(--color-hot);
            transform:translateY(-2px);
            box-shadow:0 6px 20px rgba(233,69,96,0.35);
        }
        .btn-back:focus-visible{outline:3px solid var(--color-accent-glow);outline-offset:3px}

        /* ========== RELATED POSTS ========== */
        .related-section{
            margin-bottom:40px;
        }
        .section-heading{
            display:flex;align-items:center;gap:12px;
            margin-bottom:20px;
        }
        .section-heading .heading-bar{
            width:4px;height:26px;
            background:linear-gradient(180deg,var(--color-hot),var(--color-accent));
            border-radius:2px;
        }
        .section-heading h3{
            font-family:var(--font-heading);
            font-size:1.25rem;
            font-weight:700;
            color:var(--color-primary);
            letter-spacing:0.01em;
        }
        .section-heading .heading-count{
            font-size:0.78rem;
            color:var(--color-text-light);
            background:var(--color-border-light);
            padding:3px 10px;
            border-radius:12px;
            font-weight:500;
        }

        .related-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:18px;
        }
        .related-card{
            background:var(--color-surface);
            border-radius:var(--radius-lg);
            overflow:hidden;
            box-shadow:var(--shadow-card);
            transition:all var(--transition-base);
            display:flex;
            flex-direction:column;
            position:relative;
        }
        .related-card:hover{
            transform:translateY(-5px);
            box-shadow:var(--shadow-card-hover);
        }
        .related-card:focus-within{
            outline:3px solid var(--color-accent-glow);
            outline-offset:2px;
        }
        .related-card .card-img-wrap{
            position:relative;
            aspect-ratio:16/10;
            overflow:hidden;
            background:#eae6e0;
        }
        .related-card .card-img-wrap img{
            width:100%;height:100%;
            object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .related-card:hover .card-img-wrap img{transform:scale(1.06)}
        .related-card .card-rank{
            position:absolute;top:10px;left:10px;
            width:30px;height:30px;
            background:var(--color-primary);
            color:#fff;
            font-weight:700;
            font-size:0.82rem;
            border-radius:50%;
            display:flex;align-items:center;justify-content:center;
            box-shadow:0 2px 8px rgba(0,0,0,0.3);
            z-index:2;
        }
        .related-card .card-rank.hot-rank{
            background:var(--color-hot);
            box-shadow:0 2px 10px rgba(233,69,96,0.4);
        }
        .related-card .card-body{
            padding:16px 18px 18px;
            flex:1;
            display:flex;flex-direction:column;
            gap:8px;
        }
        .related-card .card-cat{
            font-size:0.7rem;
            color:var(--color-tag-text);
            background:var(--color-tag-bg);
            display:inline-block;
            padding:3px 10px;
            border-radius:10px;
            font-weight:500;
            align-self:flex-start;
        }
        .related-card .card-title{
            font-family:var(--font-heading);
            font-weight:600;
            font-size:0.95rem;
            line-height:1.4;
            color:var(--color-primary);
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
            transition:color var(--transition-fast);
        }
        .related-card:hover .card-title{color:var(--color-accent)}
        .related-card .card-meta{
            font-size:0.72rem;
            color:var(--color-text-light);
            display:flex;align-items:center;gap:6px;
            margin-top:auto;
        }

        /* ========== CTA BLOCK ========== */
        .cta-block{
            background:linear-gradient(135deg,var(--color-primary),var(--color-primary-light));
            border-radius:var(--radius-xl);
            padding:36px 40px;
            text-align:center;
            box-shadow:0 8px 30px rgba(26,26,46,0.25);
            margin-bottom:40px;
            position:relative;
            overflow:hidden;
        }
        .cta-block::before{
            content:'';
            position:absolute;
            top:-60px;right:-60px;
            width:180px;height:180px;
            background:rgba(255,255,255,0.03);
            border-radius:50%;
            pointer-events:none;
        }
        .cta-block::after{
            content:'';
            position:absolute;
            bottom:-40px;left:-40px;
            width:120px;height:120px;
            background:rgba(255,255,255,0.03);
            border-radius:50%;
            pointer-events:none;
        }
        .cta-block h3{
            font-family:var(--font-heading);
            font-size:1.5rem;
            font-weight:700;
            color:#fff;
            margin-bottom:8px;
            position:relative;z-index:1;
        }
        .cta-block p{
            color:rgba(255,255,255,0.75);
            margin-bottom:20px;
            font-size:0.95rem;
            position:relative;z-index:1;
        }
        .btn-cta{
            display:inline-flex;align-items:center;gap:8px;
            background:var(--color-accent);
            color:#fff;
            font-weight:600;
            padding:13px 30px;
            border-radius:50px;
            font-size:1rem;
            letter-spacing:0.02em;
            transition:all var(--transition-base);
            position:relative;z-index:1;
            box-shadow:0 4px 16px rgba(255,107,53,0.4);
        }
        .btn-cta:hover{
            background:var(--color-accent-glow);
            transform:translateY(-3px);
            box-shadow:0 8px 24px rgba(255,107,53,0.5);
        }
        .btn-cta:focus-visible{outline:3px solid #fff;outline-offset:3px}

        /* ========== SHARE ROW ========== */
        .share-row{
            display:flex;align-items:center;gap:12px;
            padding:18px 0;
            border-top:1px solid var(--color-border);
            border-bottom:1px solid var(--color-border);
            margin-bottom:28px;
            flex-wrap:wrap;
        }
        .share-row span{
            font-weight:600;
            font-size:0.9rem;
            color:var(--color-text-soft);
        }
        .share-row .share-btn{
            width:38px;height:38px;
            border-radius:50%;
            display:flex;align-items:center;justify-content:center;
            font-size:0.95rem;
            transition:all var(--transition-fast);
            color:#fff;
        }
        .share-btn.sb-wechat{background:#07c160}
        .share-btn.sb-weibo{background:#e6162d}
        .share-btn.sb-qq{background:#12b7f5}
        .share-btn.sb-copy{background:var(--color-text-soft)}
        .share-btn:hover{transform:scale(1.12);box-shadow:0 4px 14px rgba(0,0,0,0.2)}

        /* ========== FOOTER ========== */
        .footer{
            border-top:1px solid var(--color-border);
            padding:24px 0 20px;
            display:flex;
            justify-content:space-between;
            align-items:flex-start;
            flex-wrap:wrap;
            gap:16px;
            font-size:0.82rem;
            color:var(--color-text-soft);
            max-width:960px;
            margin:0 auto;
            width:100%;
        }
        .footer a{
            color:var(--color-text-soft);
            transition:color var(--transition-fast);
            text-underline-offset:3px;
        }
        .footer a:hover{color:var(--color-accent)}

        /* ========== RESPONSIVE ========== */
        @media (max-width:1024px){
            .content-area{padding:28px 24px 36px}
            .article-title{font-size:1.7rem}
            .article-body{padding:28px 28px}
            .related-grid{grid-template-columns:repeat(2,1fr);gap:14px}
            .cta-block{padding:28px 28px}
        }

        @media (max-width:768px){
            .site-nav{transform:translateX(-100%)}
            .site-nav.mobile-open{transform:translateX(0)}
            .main-wrapper{margin-left:0}
            .mobile-top-nav{display:flex}
            .progress-bar-wrap{top:58px}
            .content-area{padding:18px 14px 28px;margin-top:58px}
            .article-title{font-size:1.4rem}
            .article-body{padding:20px 18px;font-size:0.95rem;border-radius:var(--radius-md)}
            .article-body h2{font-size:1.25rem;margin:22px 0 10px;padding-left:10px}
            .article-body h3{font-size:1.08rem}
            .article-cover-wrap{border-radius:var(--radius-md);margin-bottom:16px;aspect-ratio:16/9;max-height:260px}
            .related-grid{grid-template-columns:repeat(2,1fr);gap:12px}
            .related-card .card-body{padding:12px 14px 14px}
            .related-card .card-title{font-size:0.85rem}
            .cta-block{padding:22px 18px;border-radius:var(--radius-lg)}
            .cta-block h3{font-size:1.2rem}
            .btn-cta{padding:11px 22px;font-size:0.9rem}
            .breadcrumb{font-size:0.75rem;margin-bottom:14px}
            .share-row{gap:8px;padding:14px 0}
            .share-row .share-btn{width:34px;height:34px;font-size:0.85rem}
            .article-meta-top{gap:8px}
            .footer{flex-direction:column;text-align:center;align-items:center;font-size:0.75rem;padding:18px 0}
        }

        @media (max-width:520px){
            .content-area{padding:12px 8px 22px}
            .article-title{font-size:1.2rem}
            .article-body{padding:16px 12px;font-size:0.9rem;border-radius:var(--radius-sm)}
            .article-body h2{font-size:1.12rem}
            .related-grid{grid-template-columns:1fr;gap:10px}
            .related-card .card-img-wrap{aspect-ratio:16/9}
            .article-cover-wrap{max-height:200px;border-radius:var(--radius-sm)}
            .cta-block{padding:18px 14px;border-radius:var(--radius-md)}
            .cta-block h3{font-size:1.05rem}
            .btn-cta{padding:10px 18px;font-size:0.85rem}
            .breadcrumb{font-size:0.7rem;gap:5px}
            .article-cover-wrap .cover-badge{top:10px;left:10px;font-size:0.7rem;padding:4px 10px}
            .section-heading h3{font-size:1.05rem}
        }

/* roulang page: category1 */
:root {
            --color-primary: #ff5a1f;
            --color-primary-hover: #e6440d;
            --color-primary-light: #ff7d4d;
            --color-accent: #ffb800;
            --color-accent-glow: #ffe08a;
            --color-bg-dark: #0f0f1a;
            --color-bg-card: #1a1a2e;
            --color-bg-muted: #252540;
            --color-border: #2e2e4a;
            --color-text: #e8e8f0;
            --color-text-weak: #9a9ab8;
            --color-text-muted: #6b6b85;
            --color-white: #ffffff;
            --color-success: #22c55e;
            --color-danger: #ef4444;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.25);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.35);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.45);
            --shadow-glow: 0 0 20px rgba(255,90,31,0.3);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --sidebar-width: 240px;
            --header-mobile-height: 60px;
            --font-sans: 'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',sans-serif;
        }

        *,*::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);
            background:var(--color-bg-dark);
            color:var(--color-text);
            line-height:1.6;
            min-height:100vh;
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast);}
        img{max-width:100%;height:auto;display:block;}
        button{cursor:pointer;border:none;font-family:inherit;}
        input{font-family:inherit;}

        /* ===== 整体布局 ===== */
        .app-wrapper{
            display:flex;
            min-height:100vh;
        }

        /* ===== 左侧导航栏 ===== */
        .sidebar{
            width:var(--sidebar-width);
            min-width:var(--sidebar-width);
            background:linear-gradient(180deg, #141428 0%, #0f0f1a 100%);
            border-right:1px solid var(--color-border);
            display:flex;
            flex-direction:column;
            position:fixed;
            top:0;
            left:0;
            bottom:0;
            z-index:100;
            transition:transform var(--transition-normal);
        }
        .sidebar-logo{
            padding:24px 20px 20px;
            border-bottom:1px solid var(--color-border);
        }
        .sidebar-logo .logo-text{
            font-size:1.15rem;
            font-weight:700;
            color:var(--color-white);
            letter-spacing:0.02em;
            line-height:1.3;
            display:flex;
            align-items:center;
            gap:10px;
        }
        .sidebar-logo .logo-text i{
            color:var(--color-primary);
            font-size:1.4rem;
        }
        .sidebar-logo .logo-sub{
            font-size:0.7rem;
            color:var(--color-text-weak);
            margin-top:4px;
            letter-spacing:0.04em;
        }
        .sidebar-nav{
            flex:1;
            padding:16px 12px;
            display:flex;
            flex-direction:column;
            gap:4px;
        }
        .sidebar-nav a{
            display:flex;
            align-items:center;
            gap:10px;
            padding:11px 16px;
            border-radius:var(--radius-md);
            font-size:0.92rem;
            font-weight:500;
            color:var(--color-text-weak);
            transition:all var(--transition-fast);
            position:relative;
        }
        .sidebar-nav a i{
            width:20px;
            text-align:center;
            font-size:0.95rem;
        }
        .sidebar-nav a:hover{
            background:var(--color-bg-muted);
            color:var(--color-text);
        }
        .sidebar-nav a.active{
            background:linear-gradient(135deg, rgba(255,90,31,0.2) 0%, rgba(255,90,31,0.06) 100%);
            color:var(--color-primary);
            font-weight:600;
            box-shadow:inset 3px 0 0 var(--color-primary);
        }
        .sidebar-nav a.active i{
            color:var(--color-primary);
        }
        .sidebar-footer{
            padding:16px 20px;
            border-top:1px solid var(--color-border);
            font-size:0.7rem;
            color:var(--color-text-muted);
            text-align:center;
        }
        .sidebar-footer span{
            display:block;
        }

        /* ===== 右侧内容区 ===== */
        .main-content{
            flex:1;
            margin-left:var(--sidebar-width);
            min-width:0;
            display:flex;
            flex-direction:column;
        }

        /* ===== 移动端顶部导航 ===== */
        .mobile-header{
            display:none;
            position:fixed;
            top:0;
            left:0;
            right:0;
            height:var(--header-mobile-height);
            background:linear-gradient(180deg, #141428 0%, #0f0f1a 100%);
            border-bottom:1px solid var(--color-border);
            z-index:99;
            align-items:center;
            justify-content:space-between;
            padding:0 16px;
        }
        .mobile-header .m-logo{
            font-weight:700;
            font-size:0.95rem;
            color:var(--color-white);
            display:flex;
            align-items:center;
            gap:8px;
        }
        .mobile-header .m-logo i{
            color:var(--color-primary);
            font-size:1.1rem;
        }
        .mobile-header .m-toggle{
            background:none;
            color:var(--color-text);
            font-size:1.3rem;
            padding:6px 10px;
            border-radius:var(--radius-sm);
            transition:background var(--transition-fast);
        }
        .mobile-header .m-toggle:hover{
            background:var(--color-bg-muted);
        }
        .mobile-nav-overlay{
            display:none;
            position:fixed;
            top:var(--header-mobile-height);
            left:0;
            right:0;
            bottom:0;
            background:rgba(0,0,0,0.7);
            z-index:98;
            opacity:0;
            pointer-events:none;
            transition:opacity var(--transition-normal);
        }
        .mobile-nav-overlay.open{
            opacity:1;
            pointer-events:auto;
        }
        .mobile-nav-panel{
            display:none;
            position:fixed;
            top:var(--header-mobile-height);
            left:0;
            right:0;
            background:#141428;
            z-index:99;
            border-bottom:1px solid var(--color-border);
            padding:12px 16px;
            flex-direction:column;
            gap:4px;
            transform:translateY(-10px);
            opacity:0;
            transition:all var(--transition-normal);
        }
        .mobile-nav-panel.open{
            transform:translateY(0);
            opacity:1;
        }
        .mobile-nav-panel a{
            display:flex;
            align-items:center;
            gap:10px;
            padding:12px 16px;
            border-radius:var(--radius-md);
            font-size:0.9rem;
            font-weight:500;
            color:var(--color-text-weak);
            transition:all var(--transition-fast);
        }
        .mobile-nav-panel a:hover,
        .mobile-nav-panel a.active{
            background:rgba(255,90,31,0.15);
            color:var(--color-primary);
        }

        /* ===== Banner区域 ===== */
        .category-banner{
            position:relative;
            background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            min-height:280px;
            display:flex;
            align-items:center;
            overflow:hidden;
        }
        .category-banner::before{
            content:'';
            position:absolute;
            inset:0;
            background:linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(15,15,26,0.65) 50%, rgba(15,15,26,0.82) 100%);
        }
        .category-banner .banner-inner{
            position:relative;
            z-index:1;
            padding:40px 32px;
            max-width:800px;
        }
        .category-banner .banner-badge{
            display:inline-flex;
            align-items:center;
            gap:6px;
            background:var(--color-primary);
            color:#fff;
            padding:6px 16px;
            border-radius:99px;
            font-size:0.8rem;
            font-weight:600;
            letter-spacing:0.03em;
            margin-bottom:16px;
        }
        .category-banner h1{
            font-size:2.2rem;
            font-weight:800;
            color:var(--color-white);
            margin-bottom:8px;
            letter-spacing:0.01em;
        }
        .category-banner .banner-desc{
            font-size:1rem;
            color:var(--color-text-weak);
            max-width:520px;
            line-height:1.7;
        }
        .category-banner .banner-stats{
            display:flex;
            gap:24px;
            margin-top:20px;
            flex-wrap:wrap;
        }
        .category-banner .banner-stat{
            display:flex;
            align-items:center;
            gap:8px;
            font-size:0.85rem;
            color:var(--color-text-weak);
        }
        .category-banner .banner-stat strong{
            color:var(--color-accent);
            font-size:1.2rem;
        }

        /* ===== 板块通用 ===== */
        .section-block{
            padding:48px 32px;
        }
        .section-block.section-alt{
            background:var(--color-bg-card);
        }
        .section-header{
            display:flex;
            align-items:flex-end;
            justify-content:space-between;
            margin-bottom:28px;
            flex-wrap:wrap;
            gap:12px;
        }
        .section-header h2{
            font-size:1.45rem;
            font-weight:700;
            color:var(--color-white);
            display:flex;
            align-items:center;
            gap:10px;
        }
        .section-header h2 i{
            color:var(--color-primary);
            font-size:1.2rem;
        }
        .section-header .section-more{
            font-size:0.85rem;
            color:var(--color-text-weak);
            display:flex;
            align-items:center;
            gap:4px;
            transition:color var(--transition-fast);
        }
        .section-header .section-more:hover{
            color:var(--color-primary);
        }

        /* ===== 热度排行榜 ===== */
        .rank-grid{
            display:grid;
            grid-template-columns:repeat(auto-fill, minmax(260px,1fr));
            gap:16px;
        }
        .rank-card{
            background:var(--color-bg-muted);
            border-radius:var(--radius-lg);
            padding:16px;
            display:flex;
            gap:14px;
            align-items:center;
            border:1px solid transparent;
            transition:all var(--transition-normal);
            position:relative;
            overflow:hidden;
        }
        .rank-card:hover{
            border-color:var(--color-border);
            background:var(--surface-card);
            box-shadow:var(--shadow-md);
            transform:translateY(-2px);
        }
        .rank-card .rank-num{
            font-size:1.8rem;
            font-weight:900;
            color:var(--color-text-muted);
            min-width:44px;
            text-align:center;
            letter-spacing:-0.02em;
            font-style:italic;
        }
        .rank-card:nth-child(1) .rank-num{color:var(--color-accent);text-shadow:0 0 16px rgba(255,184,0,0.5);}
        .rank-card:nth-child(2) .rank-num{color:#c0c0c0;text-shadow:0 0 12px rgba(192,192,192,0.4);}
        .rank-card:nth-child(3) .rank-num{color:#cd853f;text-shadow:0 0 10px rgba(205,133,63,0.4);}
        .rank-card .rank-cover{
            width:56px;
            height:56px;
            border-radius:var(--radius-md);
            overflow:hidden;
            flex-shrink:0;
            background:var(--color-bg-dark);
        }
        .rank-card .rank-cover img{
            width:100%;
            height:100%;
            object-fit:cover;
        }
        .rank-card .rank-info{
            flex:1;
            min-width:0;
        }
        .rank-card .rank-info h3{
            font-size:0.95rem;
            font-weight:600;
            color:var(--color-white);
            margin-bottom:4px;
            white-space:nowrap;
            overflow:hidden;
            text-overflow:ellipsis;
        }
        .rank-card .rank-info .rank-meta{
            font-size:0.75rem;
            color:var(--color-text-weak);
            display:flex;
            gap:10px;
            align-items:center;
        }
        .rank-card .rank-tag{
            position:absolute;
            top:12px;
            right:12px;
            background:var(--color-primary);
            color:#fff;
            font-size:0.68rem;
            padding:3px 10px;
            border-radius:99px;
            font-weight:600;
            letter-spacing:0.02em;
        }
        .rank-card .rank-progress{
            margin-top:8px;
            height:4px;
            background:var(--color-bg-dark);
            border-radius:99px;
            overflow:hidden;
        }
        .rank-card .rank-progress-bar{
            height:100%;
            background:linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius:99px;
            transition:width 0.6s ease;
        }

        /* ===== 竖版封面卡片网格 ===== */
        .cover-grid{
            display:grid;
            grid-template-columns:repeat(auto-fill, minmax(170px,1fr));
            gap:20px;
        }
        .cover-card{
            background:var(--color-bg-muted);
            border-radius:var(--radius-lg);
            overflow:hidden;
            transition:all var(--transition-normal);
            border:1px solid transparent;
            cursor:pointer;
        }
        .cover-card:hover{
            border-color:var(--color-border);
            box-shadow:var(--shadow-lg);
            transform:translateY(-4px);
        }
        .cover-card .cover-img-wrap{
            position:relative;
            aspect-ratio:3/4;
            overflow:hidden;
            background:var(--color-bg-dark);
        }
        .cover-card .cover-img-wrap img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform var(--transition-normal);
        }
        .cover-card:hover .cover-img-wrap img{
            transform:scale(1.06);
        }
        .cover-card .cover-img-wrap .cover-badge{
            position:absolute;
            top:10px;
            left:10px;
            background:var(--color-accent);
            color:#1a1a0a;
            font-size:0.7rem;
            font-weight:700;
            padding:3px 10px;
            border-radius:99px;
            letter-spacing:0.02em;
        }
        .cover-card .cover-img-wrap .cover-hot{
            position:absolute;
            bottom:10px;
            right:10px;
            background:rgba(0,0,0,0.7);
            color:var(--color-accent);
            font-size:0.7rem;
            padding:3px 10px;
            border-radius:99px;
            display:flex;
            align-items:center;
            gap:4px;
        }
        .cover-card .cover-body{
            padding:14px;
        }
        .cover-card .cover-body h4{
            font-size:0.9rem;
            font-weight:600;
            color:var(--color-white);
            margin-bottom:6px;
            white-space:nowrap;
            overflow:hidden;
            text-overflow:ellipsis;
        }
        .cover-card .cover-body .cover-meta{
            font-size:0.72rem;
            color:var(--color-text-weak);
            display:flex;
            justify-content:space-between;
            align-items:center;
        }
        .cover-card .cover-body .cover-meta .download-btn-sm{
            background:var(--color-primary);
            color:#fff;
            padding:5px 14px;
            border-radius:99px;
            font-size:0.72rem;
            font-weight:600;
            transition:all var(--transition-fast);
        }
        .cover-card .cover-body .cover-meta .download-btn-sm:hover{
            background:var(--color-primary-hover);
            box-shadow:var(--shadow-glow);
        }

        /* ===== 更新日历 ===== */
        .timeline-list{
            display:flex;
            flex-direction:column;
            gap:12px;
        }
        .timeline-item{
            display:flex;
            gap:16px;
            align-items:flex-start;
            background:var(--color-bg-muted);
            border-radius:var(--radius-lg);
            padding:16px 20px;
            border-left:3px solid var(--color-primary);
            transition:all var(--transition-fast);
        }
        .timeline-item:hover{
            background:var(--surface-card);
            border-left-color:var(--color-accent);
        }
        .timeline-item .tl-date{
            min-width:70px;
            text-align:center;
            font-weight:700;
            color:var(--color-primary);
            font-size:0.85rem;
            padding-top:2px;
        }
        .timeline-item .tl-dot{
            width:10px;
            height:10px;
            border-radius:50%;
            background:var(--color-primary);
            flex-shrink:0;
            margin-top:6px;
            box-shadow:0 0 10px rgba(255,90,31,0.4);
        }
        .timeline-item .tl-content h4{
            font-size:0.95rem;
            font-weight:600;
            color:var(--color-white);
            margin-bottom:4px;
        }
        .timeline-item .tl-content p{
            font-size:0.78rem;
            color:var(--color-text-weak);
            line-height:1.5;
        }

        /* ===== 下载步骤 ===== */
        .steps-row{
            display:grid;
            grid-template-columns:repeat(auto-fit, minmax(200px,1fr));
            gap:20px;
        }
        .step-card{
            text-align:center;
            background:var(--color-bg-muted);
            border-radius:var(--radius-xl);
            padding:28px 20px;
            transition:all var(--transition-normal);
            border:1px solid transparent;
            position:relative;
        }
        .step-card:hover{
            border-color:var(--color-border);
            box-shadow:var(--shadow-md);
            transform:translateY(-3px);
        }
        .step-card .step-icon{
            width:56px;
            height:56px;
            border-radius:50%;
            background:linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display:flex;
            align-items:center;
            justify-content:center;
            margin:0 auto 16px;
            color:#fff;
            font-size:1.3rem;
            box-shadow:var(--shadow-glow);
        }
        .step-card h4{
            font-size:1rem;
            font-weight:600;
            color:var(--color-white);
            margin-bottom:6px;
        }
        .step-card p{
            font-size:0.8rem;
            color:var(--color-text-weak);
            line-height:1.5;
        }
        .step-card .step-num{
            position:absolute;
            top:-14px;
            right:16px;
            font-size:3rem;
            font-weight:900;
            color:var(--color-text-muted);
            opacity:0.15;
            line-height:1;
        }

        /* ===== CTA区域 ===== */
        .cta-block{
            background:linear-gradient(135deg, #1a1030 0%, #1a1a2e 40%, #1a1028 100%);
            border-radius:var(--radius-2xl);
            padding:40px 32px;
            text-align:center;
            border:1px solid var(--color-border);
            position:relative;
            overflow:hidden;
        }
        .cta-block::before{
            content:'';
            position:absolute;
            top:-40px;
            right:-40px;
            width:160px;
            height:160px;
            border-radius:50%;
            background:rgba(255,90,31,0.08);
        }
        .cta-block h2{
            font-size:1.55rem;
            font-weight:700;
            color:var(--color-white);
            margin-bottom:10px;
            position:relative;
            z-index:1;
        }
        .cta-block p{
            font-size:0.95rem;
            color:var(--color-text-weak);
            margin-bottom:24px;
            position:relative;
            z-index:1;
        }
        .cta-block .cta-btn{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:var(--color-primary);
            color:#fff;
            padding:14px 36px;
            border-radius:99px;
            font-size:1rem;
            font-weight:700;
            letter-spacing:0.03em;
            transition:all var(--transition-normal);
            position:relative;
            z-index:1;
            box-shadow:var(--shadow-glow);
        }
        .cta-block .cta-btn:hover{
            background:var(--color-primary-hover);
            box-shadow:0 0 32px rgba(255,90,31,0.5);
            transform:translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .footer{
            padding:28px 32px 24px;
            border-top:1px solid var(--color-border);
            display:flex;
            justify-content:space-between;
            align-items:center;
            flex-wrap:wrap;
            gap:16px;
            font-size:0.8rem;
            color:var(--color-text-muted);
            background:var(--color-bg-dark);
        }
        .footer a{
            color:var(--color-text-weak);
            transition:color var(--transition-fast);
        }
        .footer a:hover{
            color:var(--color-primary);
        }

        /* ===== 响应式 ===== */
        @media (max-width:1024px){
            .sidebar{
                transform:translateX(-100%);
            }
            .sidebar.open{
                transform:translateX(0);
            }
            .main-content{
                margin-left:0;
            }
            .mobile-header{
                display:flex;
            }
            .mobile-nav-overlay{
                display:block;
            }
            .mobile-nav-panel{
                display:flex;
            }
            .main-content{
                padding-top:var(--header-mobile-height);
            }
            .category-banner{
                min-height:200px;
            }
            .category-banner h1{
                font-size:1.55rem;
            }
            .section-block{
                padding:32px 16px;
            }
            .rank-grid{
                grid-template-columns:1fr;
            }
            .cover-grid{
                grid-template-columns:repeat(auto-fill, minmax(140px,1fr));
                gap:12px;
            }
            .steps-row{
                grid-template-columns:1fr 1fr;
                gap:12px;
            }
            .footer{
                flex-direction:column;
                text-align:center;
            }
        }
        @media (max-width:520px){
            .category-banner{
                min-height:170px;
            }
            .category-banner .banner-inner{
                padding:24px 16px;
            }
            .category-banner h1{
                font-size:1.25rem;
            }
            .category-banner .banner-desc{
                font-size:0.82rem;
            }
            .section-block{
                padding:24px 12px;
            }
            .section-header h2{
                font-size:1.15rem;
            }
            .cover-grid{
                grid-template-columns:repeat(3,1fr);
                gap:8px;
            }
            .cover-card .cover-body{
                padding:8px;
            }
            .cover-card .cover-body h4{
                font-size:0.75rem;
            }
            .cover-card .cover-body .cover-meta{
                font-size:0.65rem;
            }
            .steps-row{
                grid-template-columns:1fr;
            }
            .rank-card{
                padding:12px;
                gap:10px;
            }
            .rank-card .rank-num{
                font-size:1.4rem;
                min-width:34px;
            }
            .timeline-item{
                padding:12px 14px;
                gap:10px;
            }
            .cta-block{
                padding:24px 16px;
            }
            .cta-block h2{
                font-size:1.2rem;
            }
        }

        /* 移动端侧边栏展开时的遮罩 */
        .sidebar-backdrop{
            display:none;
            position:fixed;
            inset:0;
            background:rgba(0,0,0,0.6);
            z-index:99;
        }
        @media (max-width:1024px){
            .sidebar-backdrop.active{
                display:block;
            }
        }