/* roulang page: index */
:root {
            --primary: #5B3CFA;
            --primary-dark: #4328C7;
            --primary-light: #EDE9FE;
            --primary-glow: rgba(91,60,250,0.18);
            --accent: #FF4757;
            --accent-light: #FFE8EA;
            --accent-warm: #FF8C42;
            --text: #1E1E2E;
            --text-weak: #6B7280;
            --text-muted: #9CA3AF;
            --bg: #FAFAFE;
            --bg-white: #FFFFFF;
            --bg-dark: #0F0F23;
            --bg-dark-alt: #181832;
            --border: #E8E8F0;
            --border-light: #F2F2F8;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 2px rgba(0,0,0,0.04);
            --shadow: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
            --shadow-lg: 0 20px 48px rgba(0,0,0,0.12);
            --shadow-xl: 0 32px 64px rgba(0,0,0,0.14);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-mono: 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.15s cubic-bezier(0.4,0,0.2,1);
            --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
            --transition-slow: 0.4s cubic-bezier(0.4,0,0.2,1);
        }

        *,*::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:1.65;color:var(--text);background:var(--bg);min-height:100vh;overflow-x:hidden;}
        img{max-width:100%;height:auto;display:block;}
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast);}
        ul,ol{list-style:none;}
        button,input,textarea{font-family:inherit;font-size:inherit;}
        button{cursor:pointer;border:none;background:none;}
        .container{max-width:1200px;margin:0 auto;padding:0 24px;}
        .container--narrow{max-width:860px;}
        .container--wide{max-width:1320px;}

        /* Header & Navigation - 极简高端文字导航 */
        .site-header{position:sticky;top:0;z-index:100;background:rgba(255,255,255,0.88);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border-bottom:1px solid var(--border);transition:all var(--transition);}
        .site-header.scrolled{box-shadow:var(--shadow-md);}
        .header-inner{display:flex;align-items:center;justify-content:space-between;height:64px;}
        .logo-link{display:flex;align-items:center;gap:10px;font-weight:700;font-size:1.05rem;color:var(--text);letter-spacing:-0.01em;white-space:nowrap;}
        .logo-link:hover{color:var(--primary);}
        .logo-dot{width:10px;height:10px;border-radius:50%;background:var(--primary);flex-shrink:0;position:relative;}
        .logo-dot::after{content:'';position:absolute;inset:-4px;border-radius:50%;background:var(--primary-glow);animation:logoPulse 2s ease-in-out infinite;}
        @keyframes logoPulse{0%,100%{transform:scale(1);opacity:0.5;}50%{transform:scale(1.6);opacity:0;}}
        .nav-list{display:flex;align-items:center;gap:6px;}
        .nav-list a{display:inline-flex;align-items:center;padding:8px 16px;border-radius:var(--radius-sm);font-size:0.93rem;font-weight:500;color:var(--text-weak);position:relative;transition:all var(--transition-fast);white-space:nowrap;}
        .nav-list a:hover{color:var(--primary);background:var(--primary-light);}
        .nav-list a.nav-active{color:var(--primary);font-weight:600;}
        .nav-list a.nav-active::after{content:'';position:absolute;bottom:2px;left:50%;transform:translateX(-50%);width:20px;height:3px;background:var(--primary);border-radius:3px;}
        .nav-cta-btn{display:inline-flex;align-items:center;gap:6px;padding:10px 20px;background:var(--primary);color:#fff!important;border-radius:var(--radius);font-weight:600;font-size:0.9rem;transition:all var(--transition);box-shadow:0 4px 14px var(--primary-glow);}
        .nav-cta-btn:hover{background:var(--primary-dark);box-shadow:0 6px 20px rgba(91,60,250,0.35);transform:translateY(-1px);}
        .mobile-menu-btn{display:none;flex-direction:column;gap:5px;padding:8px;border-radius:var(--radius-sm);cursor:pointer;z-index:101;}
        .mobile-menu-btn span{display:block;width:24px;height:2px;background:var(--text);border-radius:2px;transition:all var(--transition);}
        .mobile-menu-btn.open span:nth-child(1){transform:rotate(45deg) translate(5px,5px);}
        .mobile-menu-btn.open span:nth-child(2){opacity:0;}
        .mobile-menu-btn.open span:nth-child(3){transform:rotate(-45deg) translate(5px,-5px);}

        /* Hero */
        .hero{position:relative;padding:80px 0 90px;background:linear-gradient(165deg, #0F0F23 0%, #181832 40%, #1a1040 100%);overflow:hidden;color:#fff;}
        .hero-bg{position:absolute;inset:0;opacity:0.22;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;background-repeat:no-repeat;mix-blend-mode:soft-light;}
        .hero::before{content:'';position:absolute;top:-40%;right:-20%;width:600px;height:600px;border-radius:50%;background:radial-gradient(circle, rgba(91,60,250,0.25) 0%, transparent 70%);pointer-events:none;}
        .hero::after{content:'';position:absolute;bottom:-30%;left:-10%;width:500px;height:500px;border-radius:50%;background:radial-gradient(circle, rgba(255,71,87,0.12) 0%, transparent 70%);pointer-events:none;}
        .hero-content{position:relative;z-index:2;max-width:700px;}
        .hero-badge{display:inline-block;padding:6px 14px;background:rgba(255,255,255,0.1);border:1px solid rgba(255,255,255,0.18);border-radius:20px;font-size:0.82rem;font-weight:500;color:rgba(255,255,255,0.85);margin-bottom:20px;backdrop-filter:blur(6px);}
        .hero-title{font-size:3.2rem;font-weight:800;line-height:1.15;letter-spacing:-0.03em;margin-bottom:18px;}
        .hero-title .highlight{background:linear-gradient(135deg, #9B7BFF, #FF6B8A);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text;}
        .hero-desc{font-size:1.15rem;color:rgba(255,255,255,0.7);line-height:1.7;margin-bottom:32px;max-width:520px;}
        .hero-btns{display:flex;gap:14px;flex-wrap:wrap;}
        .btn{display:inline-flex;align-items:center;gap:8px;padding:14px 28px;border-radius:var(--radius);font-weight:600;font-size:0.95rem;transition:all var(--transition);border:2px solid transparent;}
        .btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 28px var(--primary-glow);}
        .btn-primary:hover{background:var(--primary-dark);box-shadow:0 12px 36px rgba(91,60,250,0.4);transform:translateY(-2px);}
        .btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,0.4);}
        .btn-outline-light:hover{background:rgba(255,255,255,0.08);border-color:rgba(255,255,255,0.7);}
        .hero-stats{display:flex;gap:36px;margin-top:36px;padding-top:28px;border-top:1px solid rgba(255,255,255,0.12);}
        .hero-stat-val{font-size:1.8rem;font-weight:700;color:#fff;}
        .hero-stat-label{font-size:0.85rem;color:rgba(255,255,255,0.55);margin-top:2px;}

        /* Section共通 */
        .section{padding:72px 0;}
        .section--alt{background:var(--bg-white);}
        .section--dark{background:var(--bg-dark);color:#fff;}
        .section-header{text-align:center;margin-bottom:48px;}
        .section-label{display:inline-block;font-size:0.82rem;font-weight:600;text-transform:uppercase;letter-spacing:0.06em;color:var(--primary);margin-bottom:8px;}
        .section-title{font-size:2.2rem;font-weight:700;letter-spacing:-0.02em;margin-bottom:12px;color:var(--text);}
        .section--dark .section-title{color:#fff;}
        .section-desc{font-size:1rem;color:var(--text-weak);max-width:560px;margin:0 auto;line-height:1.7;}
        .section--dark .section-desc{color:rgba(255,255,255,0.55);}

        /* 平台亮点 */
        .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
        .feature-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:32px 24px;border:1px solid var(--border-light);transition:all var(--transition);position:relative;overflow:hidden;}
        .feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px);border-color:var(--primary-light);}
        .feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:3px;background:linear-gradient(90deg, var(--primary), var(--accent-warm));opacity:0;transition:opacity var(--transition);}
        .feature-card:hover::before{opacity:1;}
        .feature-icon{width:48px;height:48px;border-radius:var(--radius);background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:1.4rem;margin-bottom:16px;color:var(--primary);}
        .feature-card h3{font-size:1.1rem;font-weight:650;margin-bottom:8px;color:var(--text);}
        .feature-card p{font-size:0.9rem;color:var(--text-weak);line-height:1.6;}

        /* 分类入口 */
        .category-entry-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
        .category-card{position:relative;border-radius:var(--radius-xl);overflow:hidden;min-height:260px;display:flex;align-items:flex-end;padding:32px;background:var(--bg-dark);cursor:pointer;transition:all var(--transition);}
        .category-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-xl);}
        .category-card-img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0.55;transition:opacity var(--transition-slow);}
        .category-card:hover .category-card-img{opacity:0.7;transform:scale(1.04);}
        .category-card-body{position:relative;z-index:2;}
        .category-card-tag{display:inline-block;padding:5px 12px;background:var(--accent);color:#fff;border-radius:14px;font-size:0.78rem;font-weight:600;margin-bottom:10px;}
        .category-card h3{font-size:1.5rem;font-weight:700;color:#fff;margin-bottom:6px;}
        .category-card p{font-size:0.9rem;color:rgba(255,255,255,0.7);}

        /* 最新资讯 CMS列表 */
        .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
        .news-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);transition:all var(--transition);display:flex;flex-direction:column;}
        .news-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px);}
        .news-card-img-wrap{position:relative;height:180px;overflow:hidden;background:var(--bg-dark);}
        .news-card-img-wrap img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow);}
        .news-card:hover .news-card-img-wrap img{transform:scale(1.05);}
        .news-card-tag{position:absolute;top:12px;left:12px;padding:4px 10px;background:var(--primary);color:#fff;border-radius:12px;font-size:0.75rem;font-weight:600;z-index:2;}
        .news-card-body{padding:18px 16px 20px;flex:1;display:flex;flex-direction:column;}
        .news-card-body h3{font-size:1rem;font-weight:650;line-height:1.45;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;color:var(--text);}
        .news-card-body h3:hover{color:var(--primary);}
        .news-card-body p{font-size:0.85rem;color:var(--text-weak);line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:12px;flex:1;}
        .news-card-meta{font-size:0.78rem;color:var(--text-muted);display:flex;align-items:center;gap:10px;}
        .empty-tip{text-align:center;padding:48px 24px;color:var(--text-weak);font-size:1rem;grid-column:1/-1;}

        /* 热门榜单 */
        .rank-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
        .rank-item{display:flex;align-items:center;gap:14px;padding:16px 20px;background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border-light);transition:all var(--transition-fast);}
        .rank-item:hover{box-shadow:var(--shadow);border-color:var(--primary-light);}
        .rank-num{width:36px;height:36px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:0.9rem;flex-shrink:0;}
        .rank-num--top{background:var(--accent);color:#fff;}
        .rank-num--normal{background:var(--bg);color:var(--text-weak);}
        .rank-info{flex:1;min-width:0;}
        .rank-info h4{font-size:0.95rem;font-weight:600;color:var(--text);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
        .rank-info span{font-size:0.8rem;color:var(--text-weak);}
        .rank-score{font-weight:700;color:var(--accent-warm);font-size:1rem;flex-shrink:0;}

        /* FAQ */
        .faq-list{max-width:760px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
        .faq-item{background:var(--bg-white);border-radius:var(--radius);border:1px solid var(--border-light);overflow:hidden;transition:all var(--transition-fast);}
        .faq-item:hover{border-color:var(--primary-light);}
        .faq-q{padding:18px 22px;font-weight:600;font-size:1rem;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:12px;color:var(--text);}
        .faq-q-arrow{flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--bg);display:flex;align-items:center;justify-content:center;font-size:0.7rem;transition:all var(--transition-fast);color:var(--text-weak);}
        .faq-item.open .faq-q-arrow{background:var(--primary);color:#fff;transform:rotate(180deg);}
        .faq-a{padding:0 22px 18px;font-size:0.92rem;color:var(--text-weak);line-height:1.7;display:none;}
        .faq-item.open .faq-a{display:block;}

        /* CTA */
        .cta-section{position:relative;padding:72px 0;background:var(--bg-dark);overflow:hidden;text-align:center;color:#fff;}
        .cta-bg{position:absolute;inset:0;opacity:0.15;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;}
        .cta-content{position:relative;z-index:2;}
        .cta-content h2{font-size:2.4rem;font-weight:700;margin-bottom:14px;letter-spacing:-0.02em;}
        .cta-content p{font-size:1.05rem;color:rgba(255,255,255,0.65);margin-bottom:28px;max-width:500px;margin-left:auto;margin-right:auto;}

        /* Footer */
        .site-footer{background:var(--bg-dark-alt);color:rgba(255,255,255,0.7);padding:48px 0 28px;border-top:1px solid rgba(255,255,255,0.06);}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr;gap:36px;margin-bottom:36px;}
        .footer-brand{font-size:1.1rem;font-weight:700;color:#fff;margin-bottom:10px;}
        .footer-desc{font-size:0.88rem;line-height:1.7;color:rgba(255,255,255,0.5);max-width:300px;}
        .footer-col h4{font-size:0.9rem;font-weight:600;color:#fff;margin-bottom:14px;}
        .footer-col a{display:block;font-size:0.85rem;color:rgba(255,255,255,0.5);padding:5px 0;transition:color var(--transition-fast);}
        .footer-col a:hover{color:#fff;}
        .footer-bottom{padding-top:22px;border-top:1px solid rgba(255,255,255,0.08);font-size:0.82rem;color:rgba(255,255,255,0.35);text-align:center;}

        /* Responsive */
        @media (max-width:1024px){
            .features-grid{grid-template-columns:repeat(2,1fr);}
            .news-grid{grid-template-columns:repeat(2,1fr);}
            .rank-list{grid-template-columns:repeat(2,1fr);}
            .hero-title{font-size:2.6rem;}
            .category-entry-grid{grid-template-columns:1fr;}
            .footer-grid{grid-template-columns:1fr 1fr;}
        }
        @media (max-width:768px){
            .header-inner{height:56px;}
            .nav-list{position:fixed;top:0;right:-300px;width:280px;height:100vh;background:var(--bg-white);flex-direction:column;align-items:flex-start;padding:80px 24px 32px;gap:4px;box-shadow:var(--shadow-xl);transition:right var(--transition);z-index:100;}
            .nav-list.open{right:0;}
            .nav-list a{width:100%;padding:10px 16px;font-size:1rem;}
            .nav-list a.nav-active::after{left:16px;transform:none;bottom:4px;}
            .mobile-menu-btn{display:flex;}
            .hero{padding:56px 0 60px;}
            .hero-title{font-size:2rem;}
            .hero-stats{gap:20px;flex-wrap:wrap;}
            .features-grid{grid-template-columns:1fr;}
            .news-grid{grid-template-columns:1fr;}
            .rank-list{grid-template-columns:1fr;}
            .section{padding:48px 0;}
            .section-title{font-size:1.6rem;}
            .cta-content h2{font-size:1.8rem;}
            .footer-grid{grid-template-columns:1fr;gap:24px;}
            .hero-btns{flex-direction:column;align-items:flex-start;}
        }
        @media (max-width:520px){
            .container{padding:0 16px;}
            .hero-title{font-size:1.6rem;}
            .hero-desc{font-size:1rem;}
            .hero-stats{gap:14px;}
            .hero-stat-val{font-size:1.4rem;}
            .section-title{font-size:1.35rem;}
            .category-card{min-height:200px;padding:22px;}
            .category-card h3{font-size:1.2rem;}
        }

/* roulang page: category1 */
:root {
            --primary: #1a1f2e;
            --primary-light: #252b3d;
            --accent: #f0883e;
            --accent-glow: #ff6b2b;
            --accent-soft: #fff0e8;
            --gold: #d4a853;
            --gold-light: #f5e6c8;
            --bg: #f9fafb;
            --bg-white: #ffffff;
            --bg-dark: #0f1419;
            --bg-card: #ffffff;
            --text: #1a1f2e;
            --text-secondary: #5a6275;
            --text-light: #8b92a5;
            --text-white: #f0f2f5;
            --border: #e8ecf1;
            --border-light: #f0f2f5;
            --shadow-sm: 0 1px 3px rgba(15,20,25,0.06);
            --shadow: 0 4px 16px rgba(15,20,25,0.08);
            --shadow-md: 0 8px 30px rgba(15,20,25,0.10);
            --shadow-lg: 0 16px 48px rgba(15,20,25,0.14);
            --shadow-card: 0 2px 12px rgba(15,20,25,0.06), 0 0 0 1px rgba(15,20,25,0.03);
            --shadow-card-hover: 0 12px 36px rgba(15,20,25,0.12), 0 0 0 1px rgba(15,20,25,0.05);
            --radius-xs: 4px;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-2xl: 24px;
            --font-sans: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-display: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', var(--font-sans);
            --transition: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1280px;
            --nav-height: 68px;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

        button, input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 28px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
        }

        /* ========== HEADER / NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .logo {
            font-family: var(--font-display);
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            display: inline-block;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .nav-list li a {
            display: inline-block;
            padding: 8px 16px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 20px;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-list li a:hover {
            color: var(--primary);
            background: rgba(15,20,25,0.04);
        }

        .nav-list li a.nav-active {
            color: var(--accent);
            font-weight: 600;
            background: var(--accent-soft);
        }

        .nav-list li a.nav-cta-btn {
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 9px 20px;
            border-radius: 22px;
            transition: all var(--transition);
            box-shadow: 0 2px 8px rgba(240,136,62,0.3);
        }

        .nav-list li a.nav-cta-btn:hover {
            background: var(--accent-glow);
            box-shadow: 0 4px 16px rgba(240,136,62,0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            color: var(--primary);
            font-size: 1.4rem;
            line-height: 1;
        }

        @media (max-width: 900px) {
            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.97);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 20px 20px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-md);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition-slow);
                z-index: 999;
            }

            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-list li a {
                display: block;
                padding: 13px 16px;
                text-align: center;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }

            .mobile-toggle {
                display: block;
            }
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb-bar {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            padding: 12px 0;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-light);
            flex-wrap: wrap;
        }

        .breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

        .breadcrumb a:hover {
            color: var(--accent);
        }

        .breadcrumb .sep {
            color: var(--border);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--primary);
            font-weight: 600;
        }

        /* ========== CATEGORY HERO ========== */
        .category-hero {
            position: relative;
            background: var(--bg-dark);
            background-image: linear-gradient(170deg, rgba(15,20,25,0.92) 0%, rgba(26,31,46,0.88) 40%, rgba(37,43,61,0.85) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 64px 0 56px;
            color: var(--text-white);
            overflow: hidden;
        }

        .category-hero::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(240,136,62,0.15) 0%, transparent 60%),
                        radial-gradient(ellipse at 70% 70%, rgba(212,168,83,0.08) 0%, transparent 50%);
            pointer-events: none;
        }

        .category-hero-content {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(240,136,62,0.2);
            border: 1px solid rgba(240,136,62,0.35);
            color: var(--accent);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .category-badge i {
            font-size: 0.75rem;
        }

        .category-hero h1 {
            font-family: var(--font-display);
            font-size: 2.6rem;
            font-weight: 800;
            margin: 0;
            letter-spacing: 0.03em;
            line-height: 1.25;
            color: #fff;
        }

        .category-hero .subtitle {
            font-size: 1.1rem;
            color: rgba(240,242,245,0.8);
            max-width: 620px;
            line-height: 1.7;
            margin: 0;
        }

        .category-hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stat {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .hero-stat-num {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.02em;
        }

        .hero-stat-label {
            font-size: 0.85rem;
            color: rgba(240,242,245,0.7);
        }

        @media (max-width: 768px) {
            .category-hero {
                padding: 40px 0 36px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero .subtitle {
                font-size: 0.95rem;
            }
            .hero-stat-num {
                font-size: 1.3rem;
            }
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }

        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-title {
            font-family: var(--font-display);
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--primary);
            margin: 0;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .section-title .title-accent {
            width: 4px;
            height: 24px;
            background: var(--accent);
            border-radius: 2px;
            display: inline-block;
            flex-shrink: 0;
        }

        .section-more {
            font-size: 0.9rem;
            color: var(--accent);
            font-weight: 500;
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition);
        }

        .section-more:hover {
            gap: 8px;
            color: var(--accent-glow);
        }

        /* ========== TOP RANKING LIST ========== */
        .ranking-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .ranking-card {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid transparent;
            position: relative;
            overflow: hidden;
        }

        .ranking-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border);
            transform: translateY(-2px);
        }

        .ranking-number {
            font-family: var(--font-display);
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--border);
            line-height: 1;
            flex-shrink: 0;
            width: 48px;
            text-align: center;
            transition: color var(--transition);
        }

        .ranking-card:nth-child(1) .ranking-number { color: var(--gold); }
        .ranking-card:nth-child(2) .ranking-number { color: #b0b8c1; }
        .ranking-card:nth-child(3) .ranking-number { color: #c8946e; }

        .ranking-img-wrap {
            width: 72px;
            height: 72px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg);
        }

        .ranking-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .ranking-info {
            flex: 1;
            min-width: 0;
        }

        .ranking-info h3 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 4px;
            color: var(--primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .ranking-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
        }

        .ranking-score {
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--accent-soft);
            color: var(--accent);
            padding: 6px 12px;
            border-radius: 16px;
            font-weight: 700;
            font-size: 1rem;
            white-space: nowrap;
        }

        .ranking-score i {
            font-size: 0.75rem;
        }

        @media (max-width: 768px) {
            .ranking-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .ranking-card {
                padding: 14px;
                gap: 12px;
            }
            .ranking-number {
                font-size: 1.8rem;
                width: 36px;
            }
            .ranking-img-wrap {
                width: 56px;
                height: 56px;
            }
        }

        /* ========== REVIEW CARDS GRID ========== */
        .review-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }

        .review-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid transparent;
            display: flex;
            flex-direction: column;
        }

        .review-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border);
            transform: translateY(-3px);
        }

        .review-card-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--bg);
        }

        .review-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .review-card:hover .review-card-img img {
            transform: scale(1.04);
        }

        .review-card-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(15,20,25,0.78);
            backdrop-filter: blur(6px);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            letter-spacing: 0.02em;
        }

        .review-card-rating {
            position: absolute;
            top: 12px;
            right: 12px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 5px 10px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            gap: 3px;
            box-shadow: 0 2px 8px rgba(240,136,62,0.4);
        }

        .review-card-rating i {
            font-size: 0.65rem;
        }

        .review-card-body {
            padding: 18px 20px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .review-card-body h3 {
            font-size: 1rem;
            font-weight: 600;
            margin: 0;
            color: var(--primary);
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-card-body .excerpt {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .review-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.78rem;
            color: var(--text-light);
            padding-top: 8px;
            border-top: 1px solid var(--border-light);
            margin-top: auto;
        }

        @media (max-width: 1024px) {
            .review-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 600px) {
            .review-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .review-card-body {
                padding: 14px 16px 16px;
            }
        }

        /* ========== TAG FILTER BAR ========== */
        .tag-filter-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 20px 0;
        }

        .tag-filter-inner {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .tag-filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .tag-filter-label i {
            color: var(--accent);
        }

        .tag-chip {
            display: inline-block;
            padding: 7px 15px;
            font-size: 0.84rem;
            font-weight: 500;
            border-radius: 20px;
            border: 1.5px solid var(--border);
            color: var(--text-secondary);
            background: var(--bg-white);
            cursor: pointer;
            transition: all var(--transition);
            white-space: nowrap;
            user-select: none;
        }

        .tag-chip:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-soft);
        }

        .tag-chip.active {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            font-weight: 600;
        }

        /* ========== HORIZONTAL SCROLL ROW ========== */
        .horizontal-scroll-section {
            padding: 48px 0;
        }

        .scroll-row-wrapper {
            position: relative;
        }

        .scroll-row {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 8px;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

        .scroll-row::-webkit-scrollbar {
            height: 5px;
        }
        .scroll-row::-webkit-scrollbar-track {
            background: transparent;
        }
        .scroll-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 10px;
        }

        .scroll-card {
            flex: 0 0 280px;
            scroll-snap-align: start;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all var(--transition);
            border: 1px solid transparent;
            cursor: pointer;
        }

        .scroll-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--border);
            transform: translateY(-2px);
        }

        .scroll-card-img {
            aspect-ratio: 3 / 2;
            overflow: hidden;
            background: var(--bg);
        }

        .scroll-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .scroll-card:hover .scroll-card-img img {
            transform: scale(1.05);
        }

        .scroll-card-body {
            padding: 14px 16px;
        }

        .scroll-card-body h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 6px;
            color: var(--primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .scroll-card-body .scroll-meta {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        @media (max-width: 600px) {
            .scroll-card {
                flex: 0 0 230px;
            }
        }

        /* ========== UPDATE LIST ========== */
        .update-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .update-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 22px;
            transition: background var(--transition);
            border-bottom: 1px solid var(--border-light);
        }

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

        .update-item:hover {
            background: rgba(240,136,62,0.03);
        }

        .update-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; box-shadow: 0 0 0 0 rgba(240,136,62,0.5); }
            50% { opacity: 0.7; box-shadow: 0 0 0 8px rgba(240,136,62,0); }
        }

        .update-info {
            flex: 1;
            min-width: 0;
        }

        .update-info h4 {
            font-size: 0.93rem;
            font-weight: 600;
            margin: 0 0 2px;
            color: var(--primary);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .update-info .update-date {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .update-badge {
            flex-shrink: 0;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: #e8f5e9;
            color: #2e7d32;
        }

        .update-badge.new {
            background: #fff3e0;
            color: #e65100;
        }

        @media (max-width: 600px) {
            .update-item {
                padding: 14px 16px;
                gap: 10px;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .faq-item {
            background: var(--bg);
            border-radius: var(--radius);
            padding: 20px 22px;
            transition: all var(--transition);
            border: 1px solid transparent;
        }

        .faq-item:hover {
            background: var(--bg-white);
            border-color: var(--border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 8px;
            color: var(--primary);
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }

        .faq-item h4 .faq-icon {
            color: var(--accent);
            flex-shrink: 0;
            margin-top: 2px;
            font-size: 0.85rem;
        }

        .faq-item p {
            margin: 0;
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        @media (max-width: 768px) {
            .faq-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            position: relative;
            background: var(--primary);
            background-image: linear-gradient(135deg, var(--primary) 0%, #252b3d 50%, #1a1f2e 100%), url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            color: #fff;
            text-align: center;
            padding: 60px 0;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -30%;
            width: 80%;
            height: 200%;
            background: radial-gradient(ellipse, rgba(240,136,62,0.12) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-family: var(--font-display);
            font-size: 1.8rem;
            font-weight: 700;
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 1rem;
            color: rgba(240,242,245,0.8);
            margin: 0 0 28px;
            line-height: 1.7;
        }

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

        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 13px 28px;
            border-radius: 24px;
            transition: all var(--transition);
            box-shadow: 0 4px 16px rgba(240,136,62,0.45);
            border: none;
            cursor: pointer;
        }

        .btn-cta-primary:hover {
            background: var(--accent-glow);
            box-shadow: 0 6px 24px rgba(240,136,62,0.55);
            transform: translateY(-2px);
        }

        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 24px;
            border: 2px solid rgba(255,255,255,0.35);
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-cta-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-white);
            padding: 48px 0 24px;
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand {
            font-family: var(--font-display);
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }

        .footer-desc {
            font-size: 0.85rem;
            color: rgba(240,242,245,0.7);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 600;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
            text-transform: uppercase;
            color: rgba(240,242,245,0.55);
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(240,242,245,0.75);
            padding: 5px 0;
            transition: color var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.1);
            padding-top: 20px;
            font-size: 0.8rem;
            color: rgba(240,242,245,0.5);
            text-align: center;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-inner h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero-stats {
                gap: 16px;
            }
            .tag-filter-inner {
                gap: 6px;
            }
            .tag-chip {
                padding: 6px 12px;
                font-size: 0.78rem;
            }
        }

/* roulang page: article */
:root {
            --brand-500: #6C3CFC;
            --brand-600: #5a2de0;
            --brand-700: #4820c4;
            --accent-400: #00E5FF;
            --accent-500: #00c8e0;
            --hot-500: #FF4757;
            --bg-primary: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f0d1a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a0;
            --text-light: #b0b0c0;
            --border-light: #e8e8f0;
            --border-medium: #d4d4e0;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.1), 0 8px 20px rgba(0, 0, 0, 0.06);
            --radius-sm: 0.5rem;
            --radius-md: 0.75rem;
            --radius-lg: 1rem;
            --radius-xl: 1.25rem;
            --radius-2xl: 1.5rem;
            --transition-fast: 0.15s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-primary);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

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

        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 1rem;
            }
        }

        /* ========== HEADER & NAV ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--brand-500);
            letter-spacing: -0.02em;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--brand-600);
        }

        .logo-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            background: linear-gradient(135deg, var(--brand-500), var(--accent-400));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .nav-list {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 0.25rem;
        }

        .nav-list li a {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            font-size: 0.925rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            position: relative;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-list li a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2.5px;
            background: var(--brand-500);
            border-radius: 2px;
            transition: transform var(--transition-base);
        }

        .nav-list li a:hover {
            color: var(--brand-500);
            background: rgba(108, 60, 252, 0.04);
        }

        .nav-list li a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-list li a.nav-active {
            color: var(--brand-500);
            font-weight: 600;
            background: rgba(108, 60, 252, 0.06);
        }

        .nav-list li a.nav-active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--brand-500);
            height: 3px;
        }

        .nav-list li a.nav-cta-btn {
            background: linear-gradient(135deg, var(--brand-500), var(--brand-600));
            color: #fff !important;
            padding: 0.55rem 1.4rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            box-shadow: 0 4px 14px rgba(108, 60, 252, 0.3);
            transition: all var(--transition-base);
        }

        .nav-list li a.nav-cta-btn:hover {
            background: linear-gradient(135deg, var(--brand-600), var(--brand-700));
            box-shadow: 0 6px 20px rgba(108, 60, 252, 0.4);
            transform: translateY(-1px);
        }

        .nav-list li a.nav-cta-btn::after {
            display: none;
        }

        .mobile-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            z-index: 1001;
        }

        .mobile-toggle:hover {
            background: rgba(108, 60, 252, 0.06);
        }

        .mobile-toggle span {
            display: block;
            width: 24px;
            height: 2.5px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-base);
            transform-origin: center;
        }

        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }

        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
            transform: scaleX(0);
        }

        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 1024px) {
            .mobile-toggle {
                display: flex;
            }

            .nav-list {
                position: fixed;
                top: 0;
                right: -100%;
                width: 300px;
                height: 100vh;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                padding: 5rem 1.5rem 2rem;
                gap: 0.5rem;
                box-shadow: var(--shadow-xl);
                transition: right var(--transition-slow);
                overflow-y: auto;
                z-index: 999;
            }

            .nav-list.open {
                right: 0;
            }

            .nav-list li a {
                padding: 0.75rem 1rem;
                font-size: 1rem;
                justify-content: flex-start;
                border-radius: var(--radius-md);
            }

            .nav-list li a.nav-cta-btn {
                margin-top: 0.5rem;
                justify-content: center;
            }

            .nav-overlay {
                display: none;
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.4);
                z-index: 998;
                transition: opacity var(--transition-base);
            }

            .nav-overlay.show {
                display: block;
            }
        }

        @media (max-width: 520px) {
            .nav-list {
                width: 100%;
                right: -100%;
            }

            .logo-link {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.85rem;
            }

            .header-inner {
                height: 58px;
            }
        }

        /* ========== ARTICLE HERO BANNER ========== */
        .article-banner {
            position: relative;
            background: linear-gradient(170deg, #1a1035 0%, #251845 30%, #1a1035 100%);
            padding: 3rem 0 2.5rem;
            overflow: hidden;
        }

        .article-banner::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108, 60, 252, 0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-banner::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .article-banner-content {
            position: relative;
            z-index: 2;
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 0.4rem;
            flex-wrap: wrap;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 1.25rem;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
            transition: color var(--transition-fast);
        }

        .breadcrumb a:hover {
            color: #fff;
        }

        .breadcrumb .separator {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.7rem;
        }

        .breadcrumb .current {
            color: var(--accent-400);
            font-weight: 500;
        }

        .article-banner .article-category-tag {
            display: inline-block;
            background: rgba(108, 60, 252, 0.5);
            color: #e0d0ff;
            padding: 0.3rem 1rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 0.75rem;
            border: 1px solid rgba(108, 60, 252, 0.4);
        }

        .article-banner h1 {
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 2.25rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            letter-spacing: -0.01em;
            margin-bottom: 0.75rem;
        }

        .article-meta-top {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 1.25rem;
            flex-wrap: wrap;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .article-meta-top span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .article-meta-top .meta-icon {
            font-size: 0.8rem;
            color: var(--accent-400);
        }

        @media (max-width: 768px) {
            .article-banner {
                padding: 2rem 0 1.5rem;
            }
            .article-banner h1 {
                font-size: 1.6rem;
            }
            .article-meta-top {
                gap: 0.75rem;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .article-banner h1 {
                font-size: 1.35rem;
            }
            .article-banner {
                padding: 1.5rem 0 1.25rem;
            }
        }

        /* ========== MAIN CONTENT LAYOUT ========== */
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 2.5rem;
            padding: 2.5rem 0 3rem;
            align-items: start;
        }

        .article-main {
            min-width: 0;
        }

        .article-sidebar {
            position: sticky;
            top: 88px;
            display: flex;
            flex-direction: column;
            gap: 1.5rem;
        }

        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .article-sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }

        @media (max-width: 640px) {
            .article-layout {
                padding: 1.5rem 0 2rem;
                gap: 1.5rem;
            }
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ========== ARTICLE CARD ========== */
        .article-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 2.5rem;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
        }

        .article-cover-wrapper {
            margin: -1rem -0.5rem 2rem -0.5rem;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .article-cover-wrapper img {
            width: 100%;
            height: auto;
            aspect-ratio: 16 / 9;
            object-fit: cover;
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-primary);
        }

        .article-body h2 {
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-primary);
            margin: 2rem 0 0.75rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.01em;
        }

        .article-body h3 {
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--text-primary);
            margin: 1.5rem 0 0.6rem;
        }

        .article-body p {
            margin-bottom: 1rem;
            color: var(--text-secondary);
        }

        .article-body ul,
        .article-body ol {
            margin: 0.75rem 0 1rem 1.5rem;
            color: var(--text-secondary);
        }

        .article-body li {
            margin-bottom: 0.4rem;
        }

        .article-body strong {
            color: var(--text-primary);
            font-weight: 600;
        }

        .article-body blockquote {
            border-left: 4px solid var(--brand-500);
            background: rgba(108, 60, 252, 0.03);
            padding: 1rem 1.25rem;
            margin: 1.25rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }

        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.25rem 0;
            box-shadow: var(--shadow-sm);
        }

        @media (max-width: 768px) {
            .article-card {
                padding: 1.5rem;
                border-radius: var(--radius-lg);
            }
            .article-body {
                font-size: 1rem;
                line-height: 1.75;
            }
            .article-body h2 {
                font-size: 1.3rem;
            }
            .article-body h3 {
                font-size: 1.1rem;
            }
        }

        @media (max-width: 520px) {
            .article-card {
                padding: 1.25rem;
            }
            .article-cover-wrapper {
                margin: -0.5rem -0.25rem 1.25rem -0.25rem;
                border-radius: var(--radius-md);
            }
        }

        /* ========== ARTICLE FOOTER (tags, share) ========== */
        .article-footer-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 2.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-light);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            align-items: center;
        }

        .article-tags .tag-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .article-tags .tag {
            display: inline-block;
            background: rgba(108, 60, 252, 0.06);
            color: var(--brand-500);
            padding: 0.35rem 0.85rem;
            border-radius: 2rem;
            font-size: 0.8rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }

        .article-tags .tag:hover {
            background: rgba(108, 60, 252, 0.12);
            border-color: rgba(108, 60, 252, 0.25);
        }

        .share-btns {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }

        .share-btns .share-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 500;
        }

        .share-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--bg-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-light);
        }

        .share-btn:hover {
            background: var(--brand-500);
            color: #fff;
            border-color: var(--brand-500);
            box-shadow: 0 4px 12px rgba(108, 60, 252, 0.3);
            transform: translateY(-2px);
        }

        /* ========== NOT FOUND ========== */
        .not-found-state {
            text-align: center;
            padding: 4rem 2rem;
        }

        .not-found-state .nf-icon {
            font-size: 4rem;
            color: var(--text-light);
            margin-bottom: 1.25rem;
        }

        .not-found-state h3 {
            font-size: 1.5rem;
            color: var(--text-primary);
            margin-bottom: 0.75rem;
            font-weight: 700;
        }

        .not-found-state p {
            color: var(--text-muted);
            margin-bottom: 1.5rem;
            font-size: 0.95rem;
        }

        .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: var(--brand-500);
            color: #fff;
            padding: 0.65rem 1.5rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(108, 60, 252, 0.3);
        }

        .btn-back:hover {
            background: var(--brand-600);
            box-shadow: 0 6px 20px rgba(108, 60, 252, 0.4);
            transform: translateY(-1px);
        }

        /* ========== SIDEBAR WIDGETS ========== */
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
        }

        .sidebar-widget h4 {
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid var(--border-light);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }

        .sidebar-widget h4 .widget-icon {
            color: var(--brand-500);
            font-size: 0.9rem;
        }

        .sidebar-post-item {
            display: flex;
            gap: 0.75rem;
            padding: 0.7rem 0;
            border-bottom: 1px solid var(--border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
            border-radius: var(--radius-sm);
            margin: 0 -0.5rem;
            padding-left: 0.5rem;
            padding-right: 0.5rem;
        }

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

        .sidebar-post-item:hover {
            background: rgba(108, 60, 252, 0.03);
        }

        .sidebar-post-thumb {
            width: 72px;
            height: 52px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-primary);
        }

        .sidebar-post-info {
            flex: 1;
            min-width: 0;
        }

        .sidebar-post-info .sp-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-post-item:hover .sp-title {
            color: var(--brand-500);
        }

        .sidebar-post-info .sp-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 0.25rem;
        }

        .sidebar-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 0.45rem;
        }

        .sidebar-tag-cloud .stag {
            display: inline-block;
            background: var(--bg-primary);
            color: var(--text-secondary);
            padding: 0.35rem 0.8rem;
            border-radius: 2rem;
            font-size: 0.78rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            border: 1px solid var(--border-light);
        }

        .sidebar-tag-cloud .stag:hover {
            background: rgba(108, 60, 252, 0.08);
            color: var(--brand-500);
            border-color: rgba(108, 60, 252, 0.3);
        }

        .sidebar-tag-cloud .stag.hot {
            background: rgba(255, 71, 87, 0.06);
            color: var(--hot-500);
            border-color: rgba(255, 71, 87, 0.25);
            font-weight: 600;
        }

        @media (max-width: 1024px) {
            .sidebar-widget {
                padding: 1.25rem;
            }
        }

        /* ========== RELATED SECTION ========== */
        .related-section {
            padding: 2.5rem 0 3.5rem;
            background: #fff;
            border-top: 1px solid var(--border-light);
        }

        .related-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 1.5rem;
        }

        .related-section h3 {
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: -0.01em;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.25rem;
        }

        .related-card {
            background: var(--bg-primary);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-base);
            border: 1px solid var(--border-light);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: rgba(108, 60, 252, 0.2);
        }

        .related-card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            background: #e0ddf5;
        }

        .related-card-body {
            padding: 1rem 1.15rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .related-card-body .rc-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0.5rem;
            transition: color var(--transition-fast);
        }

        .related-card:hover .rc-title {
            color: var(--brand-500);
        }

        .related-card-body .rc-date {
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: auto;
        }

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

        @media (max-width: 640px) {
            .related-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .related-section h3 {
                font-size: 1.2rem;
            }
            .related-section {
                padding: 1.5rem 0 2rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 3rem 0 1.5rem;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr;
            gap: 2.5rem;
            margin-bottom: 2rem;
        }

        .footer-brand {
            font-family: 'Outfit', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 0.6rem;
            letter-spacing: -0.01em;
        }

        .footer-desc {
            line-height: 1.7;
            font-size: 0.875rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
            text-transform: uppercase;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
            font-size: 0.875rem;
        }

        .footer-col a:hover {
            color: var(--accent-400);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 1.25rem;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-grid>div:first-child {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .site-footer {
                padding: 2rem 0 1rem;
            }
        }

        /* ========== UTILITY ========== */
        .text-brand {
            color: var(--brand-500);
        }
        .text-accent {
            color: var(--accent-400);
        }
        .text-muted {
            color: var(--text-muted);
        }