/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0f0f1e;
            --primary-light: #1a1a35;
            --primary-mid: #232350;
            --accent: #e8b830;
            --accent-light: #f5d066;
            --accent-glow: #f0c94d;
            --text: #1a1a28;
            --text-secondary: #4a4a60;
            --text-light: #7a7a96;
            --text-on-dark: #e8e8f4;
            --text-on-dark-muted: #a0a0c0;
            --bg: #f7f8fc;
            --bg-alt: #edeff6;
            --bg-dark: #0a0a18;
            --bg-dark-card: #12122a;
            --card-bg: #ffffff;
            --card-border: #e8e9f2;
            --border: #dde0ea;
            --border-light: #eef0f6;
            --shadow-sm: 0 1px 3px rgba(10,10,30,0.06);
            --shadow-md: 0 4px 16px rgba(10,10,30,0.08);
            --shadow-lg: 0 8px 32px rgba(10,10,30,0.12);
            --shadow-xl: 0 16px 48px rgba(10,10,30,0.16);
            --shadow-accent: 0 4px 20px rgba(232,184,48,0.25);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --font-sans: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
            --font-mono: "SF Mono","Fira Code","Consolas",monospace;
            --transition-fast: 0.2s cubic-bezier(0.4,0,0.2,1);
            --transition-smooth: 0.3s cubic-bezier(0.4,0,0.2,1);
            --transition-bounce: 0.4s cubic-bezier(0.34,1.56,0.64,1);
            --max-width: 1200px;
            --max-width-narrow: 960px;
            --nav-height-brand: 56px;
            --nav-height-channel: 44px;
            --nav-total-height: 100px;
        }

        /* ============ Reset & Base ============ */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.65;
            color:var(--text);
            background:var(--bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--text)}
        strong{font-weight:700}

        /* ============ Container ============ */
        .container{
            width:100%;
            max-width:var(--max-width);
            margin:0 auto;
            padding-left:24px;
            padding-right:24px;
        }
        .container--narrow{
            max-width:var(--max-width-narrow);
        }

        /* ============ Header / Navigation ============ */
        .site-header{
            position:sticky;
            top:0;
            z-index:1000;
            background:#fff;
            box-shadow:0 1px 0 var(--border-light),var(--shadow-sm);
            transition:box-shadow var(--transition-smooth);
        }
        .site-header.scrolled{
            box-shadow:0 2px 0 var(--border-light),var(--shadow-md);
        }

        /* 品牌行 */
        .header-brand-row{
            background:#fff;
            border-bottom:1px solid var(--border-light);
        }
        .header-brand-row .container{
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:var(--nav-height-brand);
            gap:20px;
        }
        .brand-logo{
            display:flex;
            align-items:center;
            gap:10px;
            font-size:1.25rem;
            font-weight:800;
            color:var(--primary);
            letter-spacing:0.02em;
            white-space:nowrap;
            transition:color var(--transition-fast);
        }
        .brand-logo:hover{color:var(--accent)}
        .brand-logo .logo-icon{
            width:38px;
            height:38px;
            border-radius:var(--radius-sm);
            background:linear-gradient(135deg,var(--primary),var(--primary-mid));
            display:flex;
            align-items:center;
            justify-content:center;
            color:var(--accent);
            font-size:1.1rem;
            flex-shrink:0;
        }
        .header-search{
            display:flex;
            align-items:center;
            gap:0;
            background:var(--bg-alt);
            border-radius:var(--radius-full);
            padding:6px 6px 6px 16px;
            border:2px solid transparent;
            transition:all var(--transition-fast);
            max-width:280px;
            width:100%;
        }
        .header-search:focus-within{
            border-color:var(--accent);
            background:#fff;
            box-shadow:var(--shadow-accent);
        }
        .header-search input{
            border:none;
            background:transparent;
            outline:none;
            font-size:0.9rem;
            color:var(--text);
            width:100%;
        }
        .header-search input::placeholder{color:var(--text-light)}
        .header-search button{
            width:34px;
            height:34px;
            border-radius:50%;
            background:var(--accent);
            color:var(--primary);
            display:flex;
            align-items:center;
            justify-content:center;
            flex-shrink:0;
            font-size:0.85rem;
            transition:all var(--transition-fast);
        }
        .header-search button:hover{
            background:var(--accent-light);
            transform:scale(1.05);
        }
        .header-actions{
            display:flex;
            align-items:center;
            gap:12px;
            flex-shrink:0;
        }
        .btn-header-cta{
            padding:8px 20px;
            border-radius:var(--radius-full);
            background:var(--primary);
            color:#fff;
            font-weight:600;
            font-size:0.9rem;
            transition:all var(--transition-fast);
            white-space:nowrap;
        }
        .btn-header-cta:hover{
            background:var(--primary-mid);
            box-shadow:var(--shadow-md);
            transform:translateY(-1px);
        }

        /* 频道行 */
        .header-channel-row{
            background:#fff;
        }
        .header-channel-row .container{
            display:flex;
            align-items:center;
            height:var(--nav-height-channel);
            gap:4px;
            overflow-x:auto;
            -webkit-overflow-scrolling:touch;
            scrollbar-width:none;
        }
        .header-channel-row .container::-webkit-scrollbar{display:none}
        .nav-channel-link{
            display:inline-flex;
            align-items:center;
            padding:8px 18px;
            border-radius:var(--radius-full);
            font-size:0.92rem;
            font-weight:600;
            color:var(--text-secondary);
            white-space:nowrap;
            transition:all var(--transition-fast);
            position:relative;
        }
        .nav-channel-link:hover{
            color:var(--primary);
            background:var(--bg-alt);
        }
        .nav-channel-link.active{
            color:#fff;
            background:var(--primary);
            box-shadow:var(--shadow-sm);
        }
        .nav-channel-link.active:hover{
            background:var(--primary-mid);
        }
        .nav-channel-badge{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            min-width:20px;
            height:20px;
            padding:0 6px;
            border-radius:10px;
            background:var(--accent);
            color:var(--primary);
            font-size:0.7rem;
            font-weight:700;
            margin-left:6px;
        }

        /* 移动端汉堡按钮 */
        .mobile-menu-toggle{
            display:none;
            width:40px;
            height:40px;
            border-radius:var(--radius-sm);
            align-items:center;
            justify-content:center;
            font-size:1.3rem;
            color:var(--text);
            transition:all var(--transition-fast);
        }
        .mobile-menu-toggle:hover{background:var(--bg-alt)}
        .mobile-menu-toggle.active{color:var(--accent)}

        /* ============ Hero ============ */
        .hero{
            position:relative;
            background:var(--bg-dark);
            background-image:url('/assets/images/backpic/back-1.png');
            background-size:cover;
            background-position:center;
            background-repeat:no-repeat;
            padding:80px 0 100px;
            min-height:520px;
            display:flex;
            align-items:center;
            overflow:hidden;
        }
        .hero::before{
            content:'';
            position:absolute;
            inset:0;
            background:linear-gradient(180deg,rgba(10,10,24,0.82) 0%,rgba(10,10,24,0.9) 60%,rgba(10,10,24,0.96) 100%);
            z-index:1;
        }
        .hero .container{
            position:relative;
            z-index:2;
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:48px;
            align-items:center;
        }
        .hero-content{
            color:var(--text-on-dark);
        }
        .hero-badge{
            display:inline-flex;
            align-items:center;
            gap:8px;
            padding:6px 16px;
            border-radius:var(--radius-full);
            background:rgba(232,184,48,0.15);
            border:1px solid rgba(232,184,48,0.35);
            color:var(--accent-light);
            font-size:0.85rem;
            font-weight:600;
            margin-bottom:20px;
        }
        .hero-badge .badge-dot{
            width:8px;
            height:8px;
            border-radius:50%;
            background:var(--accent);
            animation:pulse-dot 2s ease-in-out infinite;
        }
        @keyframes pulse-dot{
            0%,100%{opacity:1;box-shadow:0 0 0 0 rgba(232,184,48,0.6)}
            50%{opacity:0.7;box-shadow:0 0 0 10px rgba(232,184,48,0)}
        }
        .hero-title{
            font-size:3rem;
            font-weight:900;
            line-height:1.15;
            color:#fff;
            margin-bottom:20px;
            letter-spacing:-0.01em;
        }
        .hero-title .highlight{
            color:var(--accent);
            position:relative;
            display:inline-block;
        }
        .hero-title .highlight::after{
            content:'';
            position:absolute;
            bottom:2px;
            left:0;
            width:100%;
            height:3px;
            background:var(--accent);
            border-radius:2px;
            opacity:0.5;
        }
        .hero-subtitle{
            font-size:1.15rem;
            color:var(--text-on-dark-muted);
            line-height:1.7;
            margin-bottom:32px;
            max-width:480px;
        }
        .hero-actions{
            display:flex;
            gap:14px;
            flex-wrap:wrap;
        }
        .btn-primary{
            display:inline-flex;
            align-items:center;
            gap:10px;
            padding:14px 32px;
            border-radius:var(--radius-full);
            background:var(--accent);
            color:var(--primary);
            font-weight:700;
            font-size:1rem;
            transition:all var(--transition-bounce);
            box-shadow:var(--shadow-accent);
            white-space:nowrap;
        }
        .btn-primary:hover{
            background:var(--accent-light);
            transform:translateY(-2px);
            box-shadow:0 8px 28px rgba(232,184,48,0.4);
        }
        .btn-outline-light{
            display:inline-flex;
            align-items:center;
            gap:10px;
            padding:14px 32px;
            border-radius:var(--radius-full);
            background:transparent;
            color:#fff;
            font-weight:600;
            font-size:1rem;
            border:2px solid rgba(255,255,255,0.35);
            transition:all var(--transition-fast);
            white-space:nowrap;
        }
        .btn-outline-light:hover{
            border-color:#fff;
            background:rgba(255,255,255,0.06);
            transform:translateY(-2px);
        }
        .hero-visual{
            display:flex;
            align-items:center;
            justify-content:center;
        }
        .hero-dashboard{
            background:var(--bg-dark-card);
            border-radius:var(--radius-lg);
            padding:28px;
            border:1px solid rgba(255,255,255,0.08);
            width:100%;
            max-width:420px;
            box-shadow:var(--shadow-xl);
        }
        .hero-stat-row{
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:16px;
            margin-bottom:20px;
        }
        .hero-stat-card{
            background:rgba(255,255,255,0.04);
            border-radius:var(--radius-md);
            padding:16px;
            text-align:center;
            border:1px solid rgba(255,255,255,0.06);
        }
        .hero-stat-value{
            font-size:1.8rem;
            font-weight:900;
            color:var(--accent);
            font-family:var(--font-mono);
        }
        .hero-stat-label{
            font-size:0.8rem;
            color:var(--text-on-dark-muted);
            margin-top:4px;
        }
        .hero-progress-bar{
            height:6px;
            border-radius:3px;
            background:rgba(255,255,255,0.08);
            margin-top:12px;
            overflow:hidden;
        }
        .hero-progress-fill{
            height:100%;
            border-radius:3px;
            background:linear-gradient(90deg,var(--accent),var(--accent-light));
            width:78%;
            animation:progressAnimate 2s ease-out;
        }
        @keyframes progressAnimate{
            from{width:0}
            to{width:78%}
        }

        /* ============ 板块间距 ============ */
        .section{
            padding:72px 0;
        }
        .section--alt{
            background:var(--bg-alt);
        }
        .section--dark{
            background:var(--bg-dark);
            color:var(--text-on-dark);
        }
        .section-header{
            text-align:center;
            margin-bottom:48px;
        }
        .section-header h2{
            font-size:2rem;
            font-weight:800;
            margin-bottom:12px;
            letter-spacing:-0.01em;
        }
        .section-header h2 .accent{color:var(--accent)}
        .section-header p{
            color:var(--text-light);
            font-size:1.05rem;
            max-width:600px;
            margin:0 auto;
        }
        .section--dark .section-header h2{color:#fff}
        .section--dark .section-header p{color:var(--text-on-dark-muted)}

        /* ============ 分类入口卡片 ============ */
        .category-grid{
            display:grid;
            grid-template-columns:1fr;
            gap:24px;
            max-width:700px;
            margin:0 auto;
        }
        .category-card{
            display:flex;
            align-items:center;
            gap:24px;
            background:var(--card-bg);
            border-radius:var(--radius-lg);
            padding:24px 28px;
            border:1px solid var(--card-border);
            transition:all var(--transition-smooth);
            cursor:pointer;
            text-decoration:none;
            color:inherit;
        }
        .category-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-3px);
            border-color:var(--accent);
        }
        .category-card-img{
            width:80px;
            height:80px;
            border-radius:var(--radius-md);
            object-fit:cover;
            flex-shrink:0;
        }
        .category-card-body h3{
            font-size:1.15rem;
            font-weight:700;
            margin-bottom:6px;
        }
        .category-card-body p{
            font-size:0.9rem;
            color:var(--text-light);
            line-height:1.5;
        }
        .category-card-arrow{
            margin-left:auto;
            color:var(--accent);
            font-size:1.2rem;
            flex-shrink:0;
            transition:transform var(--transition-fast);
        }
        .category-card:hover .category-card-arrow{
            transform:translateX(4px);
        }

        /* ============ 数据指标区 ============ */
        .metrics-row{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
        }
        .metric-card{
            text-align:center;
            padding:32px 20px;
            border-radius:var(--radius-lg);
            background:var(--bg-dark-card);
            border:1px solid rgba(255,255,255,0.06);
            transition:all var(--transition-smooth);
        }
        .metric-card:hover{
            border-color:rgba(232,184,48,0.4);
            box-shadow:0 8px 32px rgba(0,0,0,0.4);
            transform:translateY(-4px);
        }
        .metric-value{
            font-size:2.5rem;
            font-weight:900;
            color:var(--accent);
            font-family:var(--font-mono);
            line-height:1;
            margin-bottom:8px;
        }
        .metric-value sup{
            font-size:1.2rem;
            font-weight:600;
        }
        .metric-label{
            font-size:0.9rem;
            color:var(--text-on-dark-muted);
            font-weight:500;
        }
        .metric-change{
            display:inline-flex;
            align-items:center;
            gap:4px;
            font-size:0.8rem;
            font-weight:600;
            margin-top:8px;
            padding:3px 10px;
            border-radius:var(--radius-full);
        }
        .metric-change.up{
            color:#4ade80;
            background:rgba(74,222,128,0.12);
        }
        .metric-change.down{
            color:#f87171;
            background:rgba(248,113,113,0.12);
        }

        /* ============ CMS 列表区 ============ */
        .posts-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
        }
        .post-card{
            background:var(--card-bg);
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:1px solid var(--card-border);
            transition:all var(--transition-smooth);
            display:flex;
            flex-direction:column;
        }
        .post-card:hover{
            box-shadow:var(--shadow-lg);
            transform:translateY(-4px);
            border-color:var(--accent);
        }
        .post-card-thumb{
            width:100%;
            height:180px;
            object-fit:cover;
            background:var(--bg-alt);
        }
        .post-card-body{
            padding:20px;
            flex:1;
            display:flex;
            flex-direction:column;
        }
        .post-card-tag{
            display:inline-block;
            padding:4px 12px;
            border-radius:var(--radius-full);
            background:rgba(232,184,48,0.12);
            color:var(--accent);
            font-size:0.78rem;
            font-weight:600;
            margin-bottom:10px;
            width:fit-content;
        }
        .post-card-title{
            font-size:1.05rem;
            font-weight:700;
            margin-bottom:8px;
            line-height:1.4;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .post-card-excerpt{
            font-size:0.88rem;
            color:var(--text-light);
            line-height:1.5;
            flex:1;
            display:-webkit-box;
            -webkit-line-clamp:3;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .post-card-meta{
            display:flex;
            align-items:center;
            gap:12px;
            margin-top:14px;
            font-size:0.8rem;
            color:var(--text-light);
            padding-top:14px;
            border-top:1px solid var(--border-light);
        }
        .post-card-date{
            display:flex;
            align-items:center;
            gap:5px;
        }
        .posts-empty{
            text-align:center;
            padding:48px 24px;
            color:var(--text-light);
            font-size:1rem;
            grid-column:1/-1;
        }

        /* ============ 流程步骤 ============ */
        .steps-list{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:24px;
            counter-reset:step;
        }
        .step-item{
            position:relative;
            background:var(--card-bg);
            border-radius:var(--radius-lg);
            padding:32px 24px;
            text-align:center;
            border:1px solid var(--card-border);
            transition:all var(--transition-smooth);
            counter-increment:step;
        }
        .step-item:hover{
            box-shadow:var(--shadow-md);
            transform:translateY(-3px);
        }
        .step-number{
            display:flex;
            align-items:center;
            justify-content:center;
            width:48px;
            height:48px;
            border-radius:50%;
            background:var(--primary);
            color:var(--accent);
            font-weight:900;
            font-size:1.2rem;
            margin:0 auto 16px;
        }
        .step-item h4{
            font-size:1.05rem;
            font-weight:700;
            margin-bottom:8px;
        }
        .step-item p{
            font-size:0.88rem;
            color:var(--text-light);
            line-height:1.5;
        }
        .step-connector{
            display:none;
        }

        /* ============ FAQ ============ */
        .faq-list{
            display:flex;
            flex-direction:column;
            gap:12px;
            max-width:800px;
            margin:0 auto;
        }
        .faq-item{
            background:var(--card-bg);
            border-radius:var(--radius-md);
            border:1px solid var(--card-border);
            overflow:hidden;
            transition:all var(--transition-smooth);
        }
        .faq-item:hover{
            border-color:var(--accent);
            box-shadow:var(--shadow-sm);
        }
        .faq-question{
            width:100%;
            display:flex;
            align-items:center;
            justify-content:space-between;
            padding:18px 24px;
            font-weight:700;
            font-size:1rem;
            color:var(--text);
            text-align:left;
            transition:color var(--transition-fast);
            gap:16px;
        }
        .faq-question:hover{color:var(--accent)}
        .faq-question i{
            font-size:0.9rem;
            color:var(--text-light);
            transition:transform var(--transition-smooth);
            flex-shrink:0;
        }
        .faq-item.open .faq-question i{
            transform:rotate(180deg);
            color:var(--accent);
        }
        .faq-answer{
            max-height:0;
            overflow:hidden;
            transition:max-height var(--transition-smooth),padding var(--transition-smooth);
            padding:0 24px;
        }
        .faq-item.open .faq-answer{
            max-height:300px;
            padding:0 24px 20px;
        }
        .faq-answer p{
            font-size:0.92rem;
            color:var(--text-secondary);
            line-height:1.7;
        }

        /* ============ CTA ============ */
        .cta-section{
            background:linear-gradient(135deg,var(--primary),var(--primary-mid));
            border-radius:var(--radius-xl);
            padding:56px 48px;
            text-align:center;
            color:#fff;
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            top:-60px;
            right:-60px;
            width:200px;
            height:200px;
            border-radius:50%;
            background:rgba(232,184,48,0.08);
            pointer-events:none;
        }
        .cta-section h2{
            font-size:1.8rem;
            font-weight:800;
            color:#fff;
            margin-bottom:12px;
            position:relative;
        }
        .cta-section p{
            color:var(--text-on-dark-muted);
            font-size:1rem;
            margin-bottom:28px;
            position:relative;
        }
        .cta-section .btn-primary{
            position:relative;
            font-size:1.05rem;
            padding:16px 40px;
        }

        /* ============ Footer ============ */
        .site-footer{
            background:var(--primary);
            color:var(--text-on-dark-muted);
            padding:48px 0 32px;
            margin-top:0;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1fr;
            gap:36px;
            margin-bottom:36px;
        }
        .footer-brand .brand-logo{
            color:#fff;
            margin-bottom:12px;
            font-size:1.15rem;
        }
        .footer-brand p{
            font-size:0.88rem;
            line-height:1.6;
            color:var(--text-on-dark-muted);
            max-width:280px;
        }
        .footer-col h4{
            color:#fff;
            font-size:0.95rem;
            font-weight:700;
            margin-bottom:16px;
        }
        .footer-col ul{
            display:flex;
            flex-direction:column;
            gap:10px;
        }
        .footer-col ul li a{
            font-size:0.88rem;
            color:var(--text-on-dark-muted);
            transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{
            color:var(--accent-light);
        }
        .footer-bottom{
            padding-top:24px;
            border-top:1px solid rgba(255,255,255,0.08);
            display:flex;
            align-items:center;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:12px;
            font-size:0.82rem;
        }
        .footer-bottom span{
            color:var(--text-on-dark-muted);
        }

        /* ============ 响应式 ============ */
        @media (max-width:1024px){
            .hero .container{
                grid-template-columns:1fr;
                gap:36px;
            }
            .hero-visual{
                order:-1;
            }
            .hero-dashboard{
                max-width:340px;
                margin:0 auto;
            }
            .hero-title{
                font-size:2.4rem;
            }
            .posts-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .metrics-row{
                grid-template-columns:repeat(2,1fr);
            }
            .steps-list{
                grid-template-columns:repeat(2,1fr);
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
                gap:28px;
            }
        }
        @media (max-width:768px){
            .header-search{
                display:none;
            }
            .header-brand-row .container{
                height:52px;
            }
            .brand-logo{
                font-size:1.1rem;
            }
            .brand-logo .logo-icon{
                width:32px;
                height:32px;
                font-size:0.9rem;
            }
            .btn-header-cta{
                padding:6px 14px;
                font-size:0.82rem;
            }
            .header-channel-row .container{
                height:40px;
                gap:2px;
            }
            .nav-channel-link{
                padding:6px 14px;
                font-size:0.85rem;
            }
            .hero{
                padding:48px 0 64px;
                min-height:auto;
            }
            .hero-title{
                font-size:1.9rem;
            }
            .hero-subtitle{
                font-size:1rem;
            }
            .btn-primary,.btn-outline-light{
                padding:12px 24px;
                font-size:0.92rem;
            }
            .section{
                padding:48px 0;
            }
            .section-header h2{
                font-size:1.6rem;
            }
            .posts-grid{
                grid-template-columns:1fr;
                max-width:420px;
                margin:0 auto;
            }
            .metrics-row{
                grid-template-columns:1fr 1fr;
                gap:12px;
            }
            .metric-value{
                font-size:2rem;
            }
            .steps-list{
                grid-template-columns:1fr;
                max-width:380px;
                margin:0 auto;
            }
            .category-grid{
                max-width:100%;
            }
            .category-card{
                flex-direction:column;
                text-align:center;
                padding:20px;
                gap:14px;
            }
            .category-card-arrow{
                margin-left:0;
            }
            .cta-section{
                padding:36px 24px;
                border-radius:var(--radius-lg);
            }
            .cta-section h2{
                font-size:1.4rem;
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:24px;
            }
            .footer-bottom{
                flex-direction:column;
                text-align:center;
            }
        }
        @media (max-width:520px){
            .container{
                padding-left:16px;
                padding-right:16px;
            }
            .hero-title{
                font-size:1.6rem;
            }
            .hero-actions{
                flex-direction:column;
                gap:10px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline-light{
                width:100%;
                justify-content:center;
            }
            .hero-dashboard{
                padding:20px;
            }
            .hero-stat-value{
                font-size:1.4rem;
            }
            .metrics-row{
                grid-template-columns:1fr;
            }
            .metric-card{
                padding:24px 16px;
            }
            .section-header h2{
                font-size:1.4rem;
            }
            .nav-channel-link{
                padding:5px 10px;
                font-size:0.8rem;
            }
            .btn-header-cta{
                font-size:0.78rem;
                padding:5px 10px;
            }
        }

/* roulang page: category1 */
/* ========== 设计变量 ========== */
        :root {
            --color-primary: #0f1b2d;
            --color-primary-light: #1a2d47;
            --color-accent: #00c8a0;
            --color-accent-glow: #00e6b8;
            --color-highlight: #ff5c35;
            --color-highlight-soft: #ff7a5c;
            --color-gold: #f2b830;
            --color-gold-light: #fad15f;
            --color-bg: #f7f8fb;
            --color-bg-white: #ffffff;
            --color-bg-dark: #080f1a;
            --color-bg-dark-card: #111d2f;
            --color-text: #1b1f2e;
            --color-text-secondary: #5a6070;
            --color-text-light: #8892a3;
            --color-text-white: #e8ecf2;
            --color-text-white-secondary: #a4b0c0;
            --color-border: #e2e6ef;
            --color-border-light: #eff2f7;
            --color-danger: #e8453c;
            --color-danger-bg: #fef2f1;
            --color-success: #10b981;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.10);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
            --shadow-glow-accent: 0 0 32px rgba(0,200,160,0.18);
            --shadow-glow-highlight: 0 0 28px rgba(255,92,53,0.16);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.15s ease;
            --transition: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-max: 1200px;
            --container-narrow: 960px;
            --header-height-brand: 60px;
            --header-height-channel: 44px;
            --header-total: 104px;
        }

        /* ========== Reset & Base ========== */
        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
        body{
            font-family:var(--font-sans);
            font-size:16px;
            line-height:1.65;
            color:var(--color-text);
            background:var(--color-bg);
            -webkit-font-smoothing:antialiased;
            -moz-osx-font-smoothing:grayscale;
            min-height:100vh;
            padding-top:var(--header-total);
        }
        a{text-decoration:none;color:inherit;transition:color var(--transition-fast)}
        img{max-width:100%;height:auto;display:block}
        button,input,select,textarea{font-family:inherit;font-size:inherit}
        button{cursor:pointer;border:none;background:none}
        ul,ol{list-style:none}
        h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:var(--color-text)}
        h1{font-size:2.5rem;letter-spacing:-0.02em}
        h2{font-size:1.85rem;letter-spacing:-0.01em}
        h3{font-size:1.3rem}
        h4{font-size:1.05rem}

        /* ========== Container ========== */
        .container{
            width:100%;
            max-width:var(--container-max);
            margin:0 auto;
            padding:0 24px;
        }
        .container--narrow{
            max-width:var(--container-narrow);
        }

        /* ========== Header ========== */
        .site-header{
            position:fixed;
            top:0;left:0;right:0;
            z-index:1000;
            background:var(--color-bg-white);
            box-shadow:var(--shadow-sm);
        }
        .header-brand-row{
            height:var(--header-height-brand);
            border-bottom:1px solid var(--color-border-light);
            background:var(--color-bg-white);
        }
        .header-brand-row .container{
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:100%;
            gap:16px;
        }
        .brand-logo{
            display:flex;
            align-items:center;
            gap:9px;
            font-size:1.2rem;
            font-weight:800;
            color:var(--color-primary);
            white-space:nowrap;
            letter-spacing:-0.01em;
            transition:color var(--transition-fast);
        }
        .brand-logo .logo-icon{
            display:flex;align-items:center;justify-content:center;
            width:36px;height:36px;
            border-radius:var(--radius);
            background:linear-gradient(135deg, var(--color-accent), #009b7d);
            color:#fff;
            font-size:0.95rem;
        }
        .brand-logo:hover{color:var(--color-accent)}
        .header-search{
            display:flex;
            align-items:center;
            background:var(--color-bg);
            border-radius:var(--radius-full);
            padding:6px 8px 6px 18px;
            border:1px solid var(--color-border);
            transition:all var(--transition-fast);
            max-width:320px;
            flex:1;
        }
        .header-search:focus-within{
            border-color:var(--color-accent);
            box-shadow:0 0 0 3px rgba(0,200,160,0.08);
        }
        .header-search input{
            background:transparent;
            border:none;
            outline:none;
            flex:1;
            font-size:0.9rem;
            color:var(--color-text);
            min-width:0;
        }
        .header-search input::placeholder{color:var(--color-text-light)}
        .header-search button{
            display:flex;align-items:center;justify-content:center;
            width:34px;height:34px;
            border-radius:50%;
            background:var(--color-accent);
            color:#fff;
            font-size:0.85rem;
            transition:all var(--transition-fast);
            flex-shrink:0;
        }
        .header-search button:hover{background:var(--color-accent-glow);transform:scale(1.05)}
        .header-actions{display:flex;align-items:center;gap:10px}
        .btn-header-cta{
            display:inline-flex;align-items:center;
            padding:9px 20px;
            border-radius:var(--radius-full);
            background:var(--color-highlight);
            color:#fff;
            font-weight:700;
            font-size:0.9rem;
            white-space:nowrap;
            transition:all var(--transition-fast);
            letter-spacing:0.01em;
        }
        .btn-header-cta:hover{
            background:var(--color-highlight-soft);
            box-shadow:var(--shadow-glow-highlight);
            transform:translateY(-1px);
        }

        /* 频道行 */
        .header-channel-row{
            height:var(--header-height-channel);
            background:var(--color-primary);
            overflow-x:auto;
            -webkit-overflow-scrolling:touch;
        }
        .header-channel-row::-webkit-scrollbar{height:0}
        .header-channel-row .container{
            display:flex;
            align-items:center;
            height:100%;
            gap:2px;
            white-space:nowrap;
            min-width:max-content;
        }
        .nav-channel-link{
            display:inline-flex;align-items:center;gap:6px;
            padding:8px 16px;
            border-radius:var(--radius-sm);
            font-size:0.88rem;
            font-weight:500;
            color:var(--color-text-white-secondary);
            transition:all var(--transition-fast);
            position:relative;
        }
        .nav-channel-link:hover{
            color:var(--color-text-white);
            background:rgba(255,255,255,0.06);
        }
        .nav-channel-link.active{
            color:#fff;
            background:rgba(255,255,255,0.12);
            font-weight:700;
        }
        .nav-channel-link.active::after{
            content:'';
            position:absolute;
            bottom:2px;left:50%;transform:translateX(-50%);
            width:20px;height:3px;
            border-radius:var(--radius-full);
            background:var(--color-accent);
        }
        .nav-channel-badge{
            display:inline-flex;align-items:center;justify-content:center;
            font-size:0.7rem;font-weight:800;
            padding:1px 7px;
            border-radius:var(--radius-full);
            background:var(--color-highlight);
            color:#fff;
            line-height:1.5;
            animation:badgePulse 2s ease-in-out infinite;
        }
        @keyframes badgePulse{
            0%,100%{opacity:1}
            50%{opacity:0.7}
        }

        /* ========== Main ========== */
        .main-content{
            min-height:60vh;
        }
        .section{
            padding:60px 0;
        }
        .section--dark{
            background:var(--color-bg-dark);
            color:var(--color-text-white);
        }
        .section--dark h2,
        .section--dark h3{color:var(--color-text-white)}
        .section--dark .text-secondary{color:var(--color-text-white-secondary)}
        .section--tight{padding:40px 0}
        .section--no-top{padding-top:0}
        .section-header{
            text-align:center;
            margin-bottom:40px;
        }
        .section-header h2{
            margin-bottom:12px;
        }
        .section-header .subtitle{
            color:var(--color-text-secondary);
            font-size:1.05rem;
            max-width:600px;
            margin:0 auto;
        }
        .section--dark .section-header .subtitle{
            color:var(--color-text-white-secondary);
        }

        /* ========== Category Banner ========== */
        .category-banner{
            position:relative;
            padding:80px 0;
            background:var(--color-bg-dark);
            background-image:url('/assets/images/backpic/back-1.png');
            background-size:cover;
            background-position:center;
            background-repeat:no-repeat;
            overflow:hidden;
        }
        .category-banner::before{
            content:'';
            position:absolute;
            inset:0;
            background:linear-gradient(135deg, rgba(8,15,26,0.92) 0%, rgba(15,27,45,0.78) 50%, rgba(8,15,26,0.88) 100%);
            z-index:1;
        }
        .category-banner::after{
            content:'';
            position:absolute;
            top:-60px;right:-80px;
            width:320px;height:320px;
            border-radius:50%;
            background:radial-gradient(circle, rgba(0,200,160,0.15) 0%, transparent 70%);
            z-index:1;
            pointer-events:none;
        }
        .category-banner .container{
            position:relative;
            z-index:2;
        }
        .category-banner-content{
            max-width:700px;
        }
        .category-banner .banner-tag{
            display:inline-flex;align-items:center;gap:6px;
            padding:6px 14px;
            border-radius:var(--radius-full);
            background:rgba(0,200,160,0.18);
            color:var(--color-accent-glow);
            font-weight:700;
            font-size:0.85rem;
            margin-bottom:18px;
            border:1px solid rgba(0,200,160,0.25);
        }
        .category-banner h1{
            color:#fff;
            font-size:2.8rem;
            margin-bottom:14px;
            letter-spacing:-0.03em;
        }
        .category-banner .banner-desc{
            color:var(--color-text-white-secondary);
            font-size:1.1rem;
            line-height:1.7;
            margin-bottom:28px;
            max-width:540px;
        }
        .category-banner .banner-stats-inline{
            display:flex;
            gap:28px;
            flex-wrap:wrap;
        }
        .banner-stat-item{
            display:flex;align-items:center;gap:8px;
            color:var(--color-text-white-secondary);
            font-size:0.9rem;
        }
        .banner-stat-item .stat-icon{
            display:flex;align-items:center;justify-content:center;
            width:32px;height:32px;
            border-radius:var(--radius-sm);
            background:rgba(255,255,255,0.08);
            color:var(--color-accent);
            font-size:0.85rem;
        }
        .banner-stat-item strong{
            color:#fff;
            font-size:1.2rem;
            font-weight:800;
        }

        /* ========== Stats Cards Row ========== */
        .stats-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
        }
        .stat-card{
            background:var(--color-bg-white);
            border-radius:var(--radius-lg);
            padding:28px 24px;
            text-align:center;
            border:1px solid var(--color-border-light);
            transition:all var(--transition);
            position:relative;
            overflow:hidden;
        }
        .stat-card::before{
            content:'';
            position:absolute;
            top:0;left:0;right:0;
            height:3px;
            background:linear-gradient(90deg, var(--color-accent), var(--color-gold));
            border-radius:0 0 var(--radius-sm) var(--radius-sm);
            opacity:0;
            transition:opacity var(--transition);
        }
        .stat-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-md);
            border-color:var(--color-border);
        }
        .stat-card:hover::before{opacity:1}
        .stat-card .stat-icon-circle{
            display:inline-flex;align-items:center;justify-content:center;
            width:48px;height:48px;
            border-radius:50%;
            background:linear-gradient(135deg, rgba(0,200,160,0.12), rgba(0,200,160,0.04));
            color:var(--color-accent);
            font-size:1.2rem;
            margin-bottom:14px;
            transition:all var(--transition);
        }
        .stat-card:hover .stat-icon-circle{
            background:linear-gradient(135deg, var(--color-accent), #009b7d);
            color:#fff;
            box-shadow:var(--shadow-glow-accent);
        }
        .stat-card .stat-number{
            font-size:2rem;
            font-weight:800;
            color:var(--color-primary);
            letter-spacing:-0.02em;
            margin-bottom:6px;
            transition:color var(--transition-fast);
        }
        .stat-card:hover .stat-number{color:var(--color-accent)}
        .stat-card .stat-label{
            font-size:0.9rem;
            color:var(--color-text-secondary);
            font-weight:500;
        }

        /* ========== Article Grid ========== */
        .article-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
        }
        .article-card{
            background:var(--color-bg-white);
            border-radius:var(--radius-lg);
            overflow:hidden;
            border:1px solid var(--color-border-light);
            transition:all var(--transition);
            display:flex;flex-direction:column;
        }
        .article-card:hover{
            transform:translateY(-5px);
            box-shadow:var(--shadow-lg);
            border-color:transparent;
        }
        .article-card-image{
            position:relative;
            aspect-ratio:16/10;
            overflow:hidden;
            background:var(--color-bg);
        }
        .article-card-image img{
            width:100%;height:100%;
            object-fit:cover;
            transition:transform var(--transition-slow);
        }
        .article-card:hover .article-card-image img{
            transform:scale(1.06);
        }
        .article-card-image .card-tag{
            position:absolute;
            top:12px;left:12px;
            padding:4px 10px;
            border-radius:var(--radius-full);
            font-size:0.75rem;
            font-weight:700;
            color:#fff;
            z-index:2;
            letter-spacing:0.02em;
        }
        .card-tag--primary{background:var(--color-accent)}
        .card-tag--secondary{background:#5b7db1}
        .card-tag--danger{background:var(--color-danger)}
        .article-card-body{
            padding:20px;
            flex:1;
            display:flex;flex-direction:column;
            gap:10px;
        }
        .article-card-body h3{
            font-size:1.05rem;
            line-height:1.45;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
            transition:color var(--transition-fast);
        }
        .article-card:hover .article-card-body h3{color:var(--color-accent)}
        .article-card-body .card-excerpt{
            font-size:0.88rem;
            color:var(--color-text-secondary);
            line-height:1.55;
            display:-webkit-box;
            -webkit-line-clamp:3;
            -webkit-box-orient:vertical;
            overflow:hidden;
            flex:1;
        }
        .article-card-meta{
            display:flex;align-items:center;justify-content:space-between;
            font-size:0.8rem;
            color:var(--color-text-light);
            padding-top:8px;
            border-top:1px solid var(--color-border-light);
            gap:10px;
        }
        .article-card-meta span{
            display:inline-flex;align-items:center;gap:4px;
        }

        /* ========== Security Level Bar ========== */
        .security-level-section{
            background:var(--color-bg-dark);
            padding:50px 0;
            position:relative;
            overflow:hidden;
        }
        .security-level-section::before{
            content:'';
            position:absolute;
            bottom:-100px;left:-120px;
            width:400px;height:400px;
            border-radius:50%;
            background:radial-gradient(circle, rgba(255,92,53,0.08) 0%, transparent 70%);
            pointer-events:none;
        }
        .security-level-section .section-header h2{
            color:#fff;
        }
        .security-level-section .section-header .subtitle{
            color:var(--color-text-white-secondary);
        }
        .level-bars{
            display:flex;flex-direction:column;
            gap:16px;
            max-width:800px;
            margin:0 auto;
            position:relative;z-index:1;
        }
        .level-bar-item{
            display:flex;align-items:center;gap:16px;
        }
        .level-bar-label{
            width:120px;
            flex-shrink:0;
            text-align:right;
            font-weight:600;
            font-size:0.9rem;
            color:var(--color-text-white);
        }
        .level-bar-track{
            flex:1;
            height:18px;
            background:rgba(255,255,255,0.08);
            border-radius:var(--radius-full);
            overflow:hidden;
            position:relative;
        }
        .level-bar-fill{
            height:100%;
            border-radius:var(--radius-full);
            transition:width 1.2s cubic-bezier(0.25,0.46,0.45,0.94);
            position:relative;
        }
        .level-bar-fill::after{
            content:'';
            position:absolute;
            right:2px;top:2px;
            width:14px;height:14px;
            border-radius:50%;
            background:#fff;
            opacity:0.7;
        }
        .level-bar-fill--high{
            background:linear-gradient(90deg, var(--color-accent), var(--color-accent-glow));
            width:96%;
        }
        .level-bar-fill--good{
            background:linear-gradient(90deg, #5b9bd5, #7ec8e3);
            width:88%;
        }
        .level-bar-fill--medium{
            background:linear-gradient(90deg, var(--color-gold), var(--color-gold-light));
            width:74%;
        }
        .level-bar-fill--warning{
            background:linear-gradient(90deg, var(--color-highlight), var(--color-highlight-soft));
            width:62%;
        }
        .level-bar-value{
            width:50px;
            flex-shrink:0;
            text-align:left;
            font-weight:800;
            font-size:0.9rem;
            color:var(--color-accent-glow);
        }

        /* ========== Featured Highlight ========== */
        .featured-block{
            display:grid;
            grid-template-columns:1fr 1fr;
            gap:40px;
            align-items:center;
        }
        .featured-image{
            border-radius:var(--radius-xl);
            overflow:hidden;
            aspect-ratio:4/3;
            box-shadow:var(--shadow-lg);
        }
        .featured-image img{
            width:100%;height:100%;
            object-fit:cover;
        }
        .featured-content h2{
            font-size:1.7rem;
            margin-bottom:16px;
        }
        .featured-content .featured-list{
            display:flex;flex-direction:column;
            gap:12px;
            margin-bottom:22px;
        }
        .featured-list li{
            display:flex;align-items:flex-start;gap:10px;
            font-size:0.95rem;
            color:var(--color-text-secondary);
            line-height:1.5;
        }
        .featured-list li i{
            color:var(--color-accent);
            margin-top:3px;
            flex-shrink:0;
        }
        .btn-primary{
            display:inline-flex;align-items:center;gap:8px;
            padding:12px 26px;
            border-radius:var(--radius-full);
            background:var(--color-accent);
            color:#fff;
            font-weight:700;
            font-size:0.95rem;
            transition:all var(--transition-fast);
            letter-spacing:0.01em;
        }
        .btn-primary:hover{
            background:var(--color-accent-glow);
            box-shadow:var(--shadow-glow-accent);
            transform:translateY(-2px);
        }
        .btn-outline{
            display:inline-flex;align-items:center;gap:8px;
            padding:10px 22px;
            border-radius:var(--radius-full);
            background:transparent;
            border:2px solid var(--color-border);
            color:var(--color-text);
            font-weight:600;
            font-size:0.9rem;
            transition:all var(--transition-fast);
        }
        .btn-outline:hover{
            border-color:var(--color-accent);
            color:var(--color-accent);
        }

        /* ========== FAQ ========== */
        .faq-list{
            max-width:800px;
            margin:0 auto;
            display:flex;flex-direction:column;
            gap:10px;
        }
        .faq-item{
            background:var(--color-bg-white);
            border-radius:var(--radius);
            border:1px solid var(--color-border-light);
            overflow:hidden;
            transition:all var(--transition-fast);
        }
        .faq-item:hover{
            border-color:var(--color-border);
            box-shadow:var(--shadow-sm);
        }
        .faq-question{
            display:flex;align-items:center;justify-content:space-between;
            padding:18px 22px;
            cursor:pointer;
            font-weight:600;
            font-size:0.98rem;
            color:var(--color-text);
            gap:12px;
            user-select:none;
            transition:color var(--transition-fast);
        }
        .faq-question:hover{color:var(--color-accent)}
        .faq-question i{
            font-size:0.8rem;
            color:var(--color-text-light);
            transition:all var(--transition);
            flex-shrink:0;
        }
        .faq-answer{
            max-height:0;
            overflow:hidden;
            transition:max-height var(--transition-slow),padding var(--transition);
            padding:0 22px;
            font-size:0.9rem;
            color:var(--color-text-secondary);
            line-height:1.7;
        }
        .faq-item.open .faq-answer{
            max-height:300px;
            padding:0 22px 18px;
        }
        .faq-item.open .faq-question i{
            transform:rotate(180deg);
            color:var(--color-accent);
        }
        .faq-item.open{
            border-color:var(--color-accent);
            box-shadow:0 0 0 2px rgba(0,200,160,0.06);
        }

        /* ========== CTA Section ========== */
        .cta-section{
            background:linear-gradient(135deg, var(--color-primary), #0d1f38);
            padding:60px 0;
            text-align:center;
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            top:-80px;right:-60px;
            width:280px;height:280px;
            border-radius:50%;
            background:radial-gradient(circle, rgba(0,200,160,0.12) 0%, transparent 70%);
            pointer-events:none;
        }
        .cta-section .container{
            position:relative;z-index:1;
        }
        .cta-section h2{
            color:#fff;
            font-size:2rem;
            margin-bottom:12px;
            letter-spacing:-0.02em;
        }
        .cta-section p{
            color:var(--color-text-white-secondary);
            font-size:1.05rem;
            margin-bottom:28px;
            max-width:500px;
            margin-left:auto;margin-right:auto;
        }
        .btn-cta-large{
            display:inline-flex;align-items:center;gap:10px;
            padding:14px 36px;
            border-radius:var(--radius-full);
            background:var(--color-highlight);
            color:#fff;
            font-weight:800;
            font-size:1.05rem;
            letter-spacing:0.01em;
            transition:all var(--transition-fast);
            box-shadow:var(--shadow-glow-highlight);
        }
        .btn-cta-large:hover{
            background:#ff7040;
            transform:translateY(-3px);
            box-shadow:0 8px 36px rgba(255,92,53,0.35);
        }

        /* ========== Footer ========== */
        .site-footer{
            background:var(--color-bg-dark);
            color:var(--color-text-white-secondary);
            padding:50px 0 24px;
            border-top:1px solid rgba(255,255,255,0.06);
        }
        .footer-grid{
            display:grid;
            grid-template-columns:1.5fr 1fr 1fr 1fr;
            gap:36px;
            margin-bottom:32px;
        }
        .footer-brand .brand-logo{
            font-size:1.15rem;
            margin-bottom:12px;
            color:var(--color-text-white);
        }
        .footer-brand p{
            font-size:0.88rem;
            line-height:1.65;
            color:var(--color-text-white-secondary);
        }
        .footer-col h4{
            color:var(--color-text-white);
            font-size:0.95rem;
            margin-bottom:14px;
            font-weight:700;
        }
        .footer-col ul{
            display:flex;flex-direction:column;
            gap:8px;
        }
        .footer-col ul li a{
            font-size:0.88rem;
            color:var(--color-text-white-secondary);
            transition:color var(--transition-fast);
        }
        .footer-col ul li a:hover{color:var(--color-accent-glow)}
        .footer-bottom{
            display:flex;
            justify-content:space-between;
            align-items:center;
            padding-top:20px;
            border-top:1px solid rgba(255,255,255,0.08);
            font-size:0.82rem;
            color:var(--color-text-light);
            flex-wrap:wrap;
            gap:10px;
        }

        /* ========== Pagination ========== */
        .pagination-row{
            display:flex;justify-content:center;align-items:center;
            gap:6px;
            margin-top:36px;
        }
        .pagination-row a,
        .pagination-row span{
            display:inline-flex;align-items:center;justify-content:center;
            width:38px;height:38px;
            border-radius:var(--radius);
            font-weight:600;
            font-size:0.9rem;
            transition:all var(--transition-fast);
            border:1px solid var(--color-border);
            background:var(--color-bg-white);
            color:var(--color-text);
        }
        .pagination-row a:hover{
            background:var(--color-accent);
            color:#fff;
            border-color:var(--color-accent);
        }
        .pagination-row .page-current{
            background:var(--color-accent);
            color:#fff;
            border-color:var(--color-accent);
            font-weight:700;
        }
        .pagination-row .page-dots{
            border:none;
            background:transparent;
            color:var(--color-text-light);
            cursor:default;
            width:auto;
            padding:0 4px;
        }

        /* ========== Responsive ========== */
        @media (max-width:1024px){
            h1{font-size:2.1rem}
            h2{font-size:1.55rem}
            .category-banner h1{font-size:2.2rem}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px}
            .article-grid{grid-template-columns:repeat(2,1fr);gap:18px}
            .featured-block{grid-template-columns:1fr;gap:28px}
            .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
            .level-bar-label{width:90px;font-size:0.82rem}
        }
        @media (max-width:768px){
            :root{
                --header-height-brand:52px;
                --header-height-channel:38px;
                --header-total:90px;
            }
            h1{font-size:1.75rem}
            h2{font-size:1.35rem}
            .container{padding:0 16px}
            .section{padding:40px 0}
            .category-banner{padding:50px 0}
            .category-banner h1{font-size:1.7rem}
            .category-banner .banner-desc{font-size:0.95rem}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:10px}
            .stat-card{padding:20px 16px}
            .stat-card .stat-number{font-size:1.5rem}
            .article-grid{grid-template-columns:1fr 1fr;gap:14px}
            .article-card-body{padding:14px}
            .article-card-body h3{font-size:0.92rem}
            .article-card-body .card-excerpt{font-size:0.8rem;-webkit-line-clamp:2}
            .featured-block{gap:20px}
            .featured-content h2{font-size:1.35rem}
            .level-bar-label{width:70px;font-size:0.75rem}
            .level-bar-value{width:38px;font-size:0.78rem}
            .header-search{max-width:200px}
            .btn-header-cta{font-size:0.8rem;padding:7px 14px}
            .brand-logo{font-size:1rem}
            .brand-logo .logo-icon{width:30px;height:30px;font-size:0.8rem}
            .footer-grid{grid-template-columns:1fr;gap:24px}
            .cta-section h2{font-size:1.5rem}
        }
        @media (max-width:520px){
            :root{
                --header-height-brand:46px;
                --header-height-channel:36px;
                --header-total:82px;
            }
            h1{font-size:1.45rem}
            h2{font-size:1.2rem}
            .header-brand-row .container{gap:8px}
            .header-search{max-width:140px;padding:4px 6px 4px 10px}
            .header-search input{font-size:0.78rem}
            .header-search button{width:28px;height:28px;font-size:0.7rem}
            .btn-header-cta{font-size:0.75rem;padding:6px 10px}
            .brand-logo{font-size:0.88rem;gap:5px}
            .brand-logo .logo-icon{width:26px;height:26px;font-size:0.7rem}
            .nav-channel-link{font-size:0.78rem;padding:6px 10px}
            .category-banner{padding:36px 0}
            .category-banner h1{font-size:1.35rem}
            .category-banner .banner-desc{font-size:0.85rem}
            .banner-stats-inline{gap:12px}
            .banner-stat-item{font-size:0.78rem}
            .banner-stat-item strong{font-size:1rem}
            .stats-grid{grid-template-columns:1fr 1fr;gap:8px}
            .stat-card{padding:16px 12px;border-radius:var(--radius)}
            .stat-card .stat-number{font-size:1.25rem}
            .stat-card .stat-label{font-size:0.78rem}
            .stat-card .stat-icon-circle{width:36px;height:36px;font-size:1rem;margin-bottom:8px}
            .article-grid{grid-template-columns:1fr;gap:12px}
            .article-card-image{aspect-ratio:16/9}
            .article-card-body h3{font-size:0.9rem}
            .level-bar-item{gap:8px}
            .level-bar-label{width:55px;font-size:0.7rem}
            .level-bar-value{width:30px;font-size:0.7rem}
            .level-bar-track{height:14px}
            .featured-block{gap:16px}
            .faq-question{padding:14px 16px;font-size:0.88rem}
            .faq-answer{padding:0 16px;font-size:0.82rem}
            .faq-item.open .faq-answer{padding:0 16px 14px}
            .cta-section{padding:40px 0}
            .cta-section h2{font-size:1.25rem}
            .btn-cta-large{font-size:0.9rem;padding:12px 26px}
            .pagination-row a,.pagination-row span{width:32px;height:32px;font-size:0.8rem}
        }
        @media (max-width:380px){
            .stats-grid{grid-template-columns:1fr;gap:8px}
            .stat-card{display:flex;align-items:center;gap:12px;text-align:left;padding:14px}
            .stat-card::before{width:3px;height:100%;top:0;left:0;border-radius:var(--radius) 0 0 var(--radius)}
            .stat-card .stat-icon-circle{margin-bottom:0;flex-shrink:0}
            .header-search{display:none}
        }

/* roulang page: article */
:root {
            --color-primary: #1a56db;
            --color-primary-dark: #1347b8;
            --color-primary-light: #e8f0fe;
            --color-accent: #f59e0b;
            --color-accent-dark: #d97706;
            --color-accent-glow: #fbbf24;
            --color-bg: #f8fafc;
            --color-bg-alt: #f1f5f9;
            --color-surface: #ffffff;
            --color-dark: #0f172a;
            --color-dark-card: #1e293b;
            --color-dark-section: #111827;
            --color-text: #1e293b;
            --color-text-weak: #64748b;
            --color-text-muted: #94a3b8;
            --color-text-inverse: #f1f5f9;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-hot: #ef4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.14), 0 6px 16px rgba(0, 0, 0, 0.06);
            --shadow-glow: 0 0 0 4px rgba(26, 86, 219, 0.15);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Consolas', 'Monaco', monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --max-width-narrow: 820px;
            --header-brand-h: 62px;
            --header-channel-h: 44px;
            --header-total-h: 106px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-height: 100vh;
        }

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary-dark);
        }

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

        button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        ul,
        ol {
            margin: 0;
            padding: 0;
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
            color: var(--color-text);
        }

        p {
            margin: 0 0 1em;
        }
        p:last-child {
            margin-bottom: 0;
        }

        /* Container */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .container-narrow {
            width: 100%;
            max-width: var(--max-width-narrow);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ========== HEADER ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--color-surface);
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-lg);
        }

        /* 品牌行 */
        .header-brand-row {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
        }
        .header-brand-row .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-brand-h);
            gap: 20px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--color-dark);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: -0.01em;
            transition: color var(--transition-fast);
        }
        .brand-logo:hover {
            color: var(--color-primary);
        }
        .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-md);
            background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
            color: #fff;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .header-search {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            overflow: hidden;
            max-width: 280px;
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .header-search:focus-within {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
        }
        .header-search input {
            flex: 1;
            border: none;
            background: transparent;
            padding: 10px 16px;
            font-size: 0.875rem;
            color: var(--color-text);
            outline: none;
            min-width: 0;
        }
        .header-search input::placeholder {
            color: var(--color-text-muted);
        }
        .header-search button {
            background: transparent;
            border: none;
            padding: 10px 14px;
            color: var(--color-text-weak);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }
        .header-search button:hover {
            color: var(--color-primary);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--color-primary) 0%, #2563eb 100%);
            color: #fff;
            font-weight: 600;
            font-size: 0.875rem;
            border-radius: var(--radius-full);
            text-decoration: none;
            white-space: nowrap;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .btn-header-cta:hover {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, #1d4ed8 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
        }

        /* 频道行 */
        .header-channel-row {
            background: var(--color-dark);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .header-channel-row .container {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--header-channel-h);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .header-channel-row .container::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            font-size: 0.875rem;
            font-weight: 600;
            color: var(--color-text-muted);
            text-decoration: none;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-channel-link:hover {
            color: #e2e8f0;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-channel-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.12);
            font-weight: 700;
        }
        .nav-channel-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: var(--radius-full);
            background: var(--color-accent);
        }
        .nav-channel-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.65rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: var(--radius-full);
            background: var(--color-hot);
            color: #fff;
            line-height: 1;
            animation: pulse-badge 2s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.12);
            }
        }

        /* ========== ARTICLE BANNER ========== */
        .article-banner {
            position: relative;
            background: linear-gradient(170deg, var(--color-dark) 0%, #1e3a5f 40%, #0f172a 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 60px 0 50px;
            overflow: hidden;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.75) 0%, rgba(15, 23, 42, 0.9) 100%);
            z-index: 1;
        }
        .article-banner .container-narrow {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            transition: color var(--transition-fast);
            font-weight: 500;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb .sep {
            color: rgba(255, 255, 255, 0.35);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--color-accent-glow);
            font-weight: 600;
        }
        .article-banner .article-meta-top {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .article-banner .meta-tag {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(245, 158, 11, 0.2);
            color: var(--color-accent-glow);
            border: 1px solid rgba(245, 158, 11, 0.3);
        }
        .article-banner .meta-date {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.65);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .article-banner .meta-date i {
            font-size: 0.75rem;
        }
        .article-banner h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .article-banner .article-excerpt {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.6;
            max-width: 680px;
        }

        /* ========== DATA STRIP (深色沉浸式区块) ========== */
        .data-strip {
            background: var(--color-dark-section);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 28px 0;
            position: relative;
            z-index: 3;
        }
        .data-strip .container-narrow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .data-strip .data-card-mini {
            text-align: center;
            padding: 16px 10px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
        }
        .data-strip .data-card-mini:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-2px);
        }
        .data-strip .data-value {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-accent-glow);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
        }
        .data-strip .data-label {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .data-strip .data-icon-mini {
            font-size: 1.1rem;
            color: var(--color-accent);
            margin-bottom: 6px;
            display: block;
        }

        /* ========== MAIN CONTENT ========== */
        .article-main {
            padding: 48px 0 60px;
        }
        .content-body {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 48px 44px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            line-height: 1.85;
            font-size: 1.05rem;
            color: var(--color-text);
        }
        .content-body h2 {
            font-size: 1.55rem;
            margin: 36px 0 16px;
            padding-bottom: 8px;
            border-bottom: 2px solid var(--color-border);
            color: var(--color-dark);
        }
        .content-body h3 {
            font-size: 1.25rem;
            margin: 28px 0 12px;
            color: var(--color-dark);
        }
        .content-body h4 {
            font-size: 1.1rem;
            margin: 22px 0 10px;
            color: var(--color-text);
        }
        .content-body p {
            margin-bottom: 1.2em;
        }
        .content-body ul,
        .content-body ol {
            margin: 12px 0 18px 20px;
            padding: 0;
        }
        .content-body ul {
            list-style: disc;
        }
        .content-body ol {
            list-style: decimal;
        }
        .content-body li {
            margin-bottom: 8px;
            padding-left: 4px;
        }
        .content-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 20px 0;
            box-shadow: var(--shadow-sm);
        }
        .content-body blockquote {
            margin: 20px 0;
            padding: 16px 22px;
            border-left: 4px solid var(--color-primary);
            background: var(--color-primary-light);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--color-text-weak);
        }
        .content-body a {
            color: var(--color-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
            font-weight: 500;
        }
        .content-body a:hover {
            color: var(--color-primary-dark);
        }
        .content-body code {
            font-family: var(--font-mono);
            background: var(--color-bg-alt);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.9em;
            color: #c7254e;
        }
        .content-body pre {
            background: var(--color-dark);
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-md);
            overflow-x: auto;
            margin: 20px 0;
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .content-body pre code {
            background: transparent;
            color: inherit;
            padding: 0;
        }
        .content-body hr {
            border: none;
            border-top: 1px solid var(--color-border);
            margin: 32px 0;
        }

        /* 内容未找到 */
        .content-not-found {
            text-align: center;
            padding: 60px 30px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .content-not-found .icon-404 {
            font-size: 4rem;
            color: var(--color-text-muted);
            margin-bottom: 20px;
            display: block;
        }
        .content-not-found h2 {
            font-size: 1.6rem;
            margin-bottom: 12px;
            color: var(--color-dark);
        }
        .content-not-found p {
            color: var(--color-text-weak);
            margin-bottom: 24px;
        }
        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            border-radius: var(--radius-full);
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: 0 2px 8px rgba(26, 86, 219, 0.3);
        }
        .btn-back-home:hover {
            background: var(--color-primary-dark);
            color: #fff;
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.4);
            transform: translateY(-1px);
        }

        /* ========== RELATED POSTS ========== */
        .section-related {
            padding: 50px 0 30px;
        }
        .section-related .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-related .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-primary);
            margin-bottom: 8px;
            background: var(--color-primary-light);
            padding: 4px 14px;
            border-radius: var(--radius-full);
        }
        .section-related .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -0.01em;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .related-card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
            display: block;
            background: var(--color-bg-alt);
        }
        .related-card-body {
            padding: 18px 18px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .related-card-tag {
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            display: inline-block;
            width: fit-content;
            margin-bottom: 8px;
            letter-spacing: 0.03em;
        }
        .related-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card-title a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .related-card-title a:hover {
            color: var(--color-primary);
        }
        .related-card-desc {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 10px;
            flex: 1;
        }
        .related-card-date {
            font-size: 0.72rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 4px;
        }

        /* ========== FAQ SECTION ========== */
        .section-faq {
            padding: 50px 0 40px;
            background: var(--color-bg-alt);
        }
        .section-faq .section-header {
            text-align: center;
            margin-bottom: 36px;
        }
        .section-faq .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent-dark);
            margin-bottom: 8px;
            background: rgba(245, 158, 11, 0.12);
            padding: 4px 14px;
            border-radius: var(--radius-full);
        }
        .section-faq .section-title {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--color-dark);
            letter-spacing: -0.01em;
        }
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-sm);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            background: transparent;
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-dark);
            text-align: left;
            cursor: pointer;
            transition: all var(--transition-fast);
            gap: 12px;
            border: none;
            outline: none;
        }
        .faq-question:hover {
            color: var(--color-primary);
            background: var(--color-bg);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-primary);
            outline-offset: -2px;
            border-radius: var(--radius-md);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            color: var(--color-text-weak);
            transition: all var(--transition-fast);
        }
        .faq-item.open .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        .faq-answer-inner {
            font-size: 0.92rem;
            color: var(--color-text-weak);
            line-height: 1.7;
        }

        /* ========== CTA SECTION ========== */
        .section-cta {
            padding: 56px 0;
            background: linear-gradient(160deg, var(--color-dark) 0%, #1e3a5f 60%, #0f172a 100%);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, 0.7);
            z-index: 1;
        }
        .section-cta .container-narrow {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .section-cta h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-cta p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.05rem;
            margin-bottom: 28px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 36px;
            background: linear-gradient(135deg, var(--color-accent) 0%, #f59e0b 100%);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            text-decoration: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 20px rgba(245, 158, 11, 0.4);
            letter-spacing: 0.01em;
        }
        .btn-cta-primary:hover {
            background: linear-gradient(135deg, #fbbf24 0%, #f59e0b 100%);
            color: #1a1a1a;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.5);
            transform: translateY(-2px);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-dark);
            color: var(--color-text-inverse);
            padding: 50px 0 24px;
            border-top: 4px solid rgba(255, 255, 255, 0.06);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 36px;
        }
        .footer-brand .brand-logo {
            font-size: 1.15rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            text-decoration: none;
        }
        .footer-brand .brand-logo:hover {
            color: var(--color-accent-glow);
        }
        .footer-brand p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: #fff;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .data-strip .container-narrow {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .article-banner h1 {
                font-size: 1.8rem;
            }
            .content-body {
                padding: 36px 28px;
            }
            .related-grid {
                grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
                gap: 16px;
            }
        }

        @media (max-width: 768px) {
            .header-brand-row .container {
                gap: 12px;
                height: auto;
                padding-top: 8px;
                padding-bottom: 8px;
                flex-wrap: wrap;
            }
            .header-search {
                max-width: 180px;
            }
            .btn-header-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .brand-logo {
                font-size: 1.05rem;
                gap: 6px;
            }
            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.8rem;
                border-radius: var(--radius-sm);
            }
            .header-channel-row .container {
                gap: 2px;
            }
            .nav-channel-link {
                padding: 7px 12px;
                font-size: 0.78rem;
            }
            .article-banner {
                padding: 40px 0 36px;
            }
            .article-banner h1 {
                font-size: 1.5rem;
            }
            .article-banner .article-excerpt {
                font-size: 0.9rem;
            }
            .data-strip .container-narrow {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .data-strip .data-value {
                font-size: 1.4rem;
            }
            .data-strip .data-label {
                font-size: 0.7rem;
            }
            .content-body {
                padding: 28px 18px;
                font-size: 0.95rem;
                border-radius: var(--radius-md);
            }
            .content-body h2 {
                font-size: 1.3rem;
            }
            .content-body h3 {
                font-size: 1.1rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-card-img {
                height: 140px;
            }
            .section-related .section-title,
            .section-faq .section-title {
                font-size: 1.3rem;
            }
            .section-cta h2 {
                font-size: 1.4rem;
            }
            .section-cta p {
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            .container-narrow {
                padding: 0 14px;
            }
            .header-brand-row .container {
                flex-wrap: wrap;
                gap: 8px;
            }
            .header-search {
                max-width: 100%;
                order: 3;
                flex: 1 1 100%;
            }
            .header-actions {
                order: 2;
            }
            .brand-logo {
                order: 1;
                font-size: 0.95rem;
            }
            .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.7rem;
            }
            .btn-header-cta {
                padding: 7px 12px;
                font-size: 0.72rem;
            }
            .nav-channel-link {
                padding: 6px 10px;
                font-size: 0.72rem;
            }
            .article-banner h1 {
                font-size: 1.3rem;
            }
            .article-banner .article-excerpt {
                font-size: 0.82rem;
            }
            .article-banner .article-meta-top {
                gap: 8px;
            }
            .article-banner .meta-tag {
                font-size: 0.7rem;
                padding: 4px 10px;
            }
            .data-strip .container-narrow {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .data-strip .data-card-mini {
                padding: 12px 8px;
            }
            .data-strip .data-value {
                font-size: 1.2rem;
            }
            .data-strip .data-label {
                font-size: 0.68rem;
            }
            .content-body {
                padding: 20px 14px;
                font-size: 0.9rem;
                border-radius: var(--radius-sm);
            }
            .content-body h2 {
                font-size: 1.15rem;
            }
            .content-body h3 {
                font-size: 1rem;
            }
            .content-not-found {
                padding: 40px 20px;
            }
            .content-not-found .icon-404 {
                font-size: 3rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .related-card-img {
                height: 180px;
            }
            .section-related .section-title,
            .section-faq .section-title {
                font-size: 1.15rem;
            }
            .section-cta h2 {
                font-size: 1.2rem;
            }
            .btn-cta-primary {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 6px;
            }
            .faq-question {
                padding: 12px 14px;
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 14px 16px;
            }
        }