/* roulang page: index */
:root {
            --primary: #2563eb;
            --primary-dark: #1d4ed8;
            --primary-light: #3b82f6;
            --accent: #06b6d4;
            --accent-dark: #0891b2;
            --highlight: #f59e0b;
            --highlight-hover: #d97706;
            --bg-deep: #0b1120;
            --bg-dark: #111827;
            --bg-card: #1a2235;
            --bg-light: #f8fafc;
            --bg-white: #ffffff;
            --text-primary: #f1f5f9;
            --text-secondary: #cbd5e1;
            --text-muted: #94a3b8;
            --text-dark: #1e293b;
            --text-dark-muted: #64748b;
            --border-light: #e2e8f0;
            --border-dark: #1e293b;
            --border-card: #263348;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.12);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.18);
            --shadow-lg: 0 12px 40px rgba(0,0,0,0.3);
            --shadow-glow: 0 0 24px rgba(37,99,235,0.25);
            --spacing-xs: 0.5rem;
            --spacing-sm: 0.75rem;
            --spacing-md: 1rem;
            --spacing-lg: 1.5rem;
            --spacing-xl: 2rem;
            --spacing-2xl: 3rem;
            --spacing-3xl: 4rem;
            --spacing-4xl: 5rem;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'Cascadia Code', 'Consolas', monospace;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1280px;
        }

        *,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
        html{scroll-behavior:smooth;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}
        body{font-family:var(--font-sans);font-size:16px;line-height:1.65;color:var(--text-dark);background:var(--bg-light);min-height:100vh;overflow-x:hidden}

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

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

        /* Header */
        .site-header{background:var(--bg-deep);position:sticky;top:0;z-index:1000;border-bottom:1px solid rgba(255,255,255,0.06);box-shadow:0 2px 20px rgba(0,0,0,0.4)}
        .header-top{display:flex;align-items:center;justify-content:space-between;padding:var(--spacing-md) 0;gap:var(--spacing-lg);flex-wrap:wrap}
        .header-logo{display:flex;align-items:center;gap:var(--spacing-sm);font-size:1.35rem;font-weight:700;color:var(--text-primary);letter-spacing:0.02em;white-space:nowrap;transition:color var(--transition-fast)}
        .header-logo:hover{color:var(--highlight)}
        .header-logo .logo-icon{width:38px;height:38px;background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.2rem;color:#fff;flex-shrink:0}
        .header-search{display:flex;align-items:center;background:var(--bg-card);border-radius:var(--radius-full);padding:0.45rem 0.5rem 0.45rem 1rem;border:1px solid var(--border-card);gap:0.35rem;max-width:360px;width:100%;transition:border-color var(--transition-fast),box-shadow var(--transition-fast)}
        .header-search:focus-within{border-color:var(--primary-light);box-shadow:var(--shadow-glow)}
        .header-search input{background:transparent;border:none;color:var(--text-primary);font-size:0.9rem;flex:1;min-width:0;padding:0.25rem 0}
        .header-search input::placeholder{color:var(--text-muted)}
        .header-search button{background:var(--primary);color:#fff;border-radius:var(--radius-full);padding:0.45rem 1rem;font-size:0.85rem;font-weight:600;white-space:nowrap;transition:background var(--transition-fast)}
        .header-search button:hover{background:var(--primary-dark)}
        .header-cta-btn{display:inline-flex;align-items:center;gap:0.4rem;background:var(--highlight);color:#0b1120;padding:0.55rem 1.3rem;border-radius:var(--radius-full);font-weight:700;font-size:0.9rem;white-space:nowrap;transition:background var(--transition-fast),transform var(--transition-fast);box-shadow:0 2px 12px rgba(245,158,11,0.3)}
        .header-cta-btn:hover{background:var(--highlight-hover);transform:translateY(-1px);box-shadow:0 4px 20px rgba(245,158,11,0.45)}

        /* Nav Tabs */
        .nav-tabs-bar{background:var(--bg-dark);border-top:1px solid rgba(255,255,255,0.04);padding:0}
        .nav-tabs-list{display:flex;gap:0;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none}
        .nav-tabs-list::-webkit-scrollbar{display:none}
        .nav-tabs-list a{display:inline-flex;align-items:center;gap:0.35rem;padding:0.8rem 1.4rem;font-size:0.9rem;font-weight:500;color:var(--text-muted);white-space:nowrap;border-bottom:3px solid transparent;transition:color var(--transition-fast),border-color var(--transition-fast),background var(--transition-fast);position:relative}
        .nav-tabs-list a:hover{color:var(--text-primary);background:rgba(255,255,255,0.03)}
        .nav-tabs-list a.active{color:var(--primary-light);border-bottom-color:var(--primary-light);font-weight:600}
        .nav-tabs-list a .nav-badge{font-size:0.7rem;background:var(--highlight);color:#0b1120;padding:0.15rem 0.5rem;border-radius:var(--radius-full);font-weight:700}

        /* Mobile nav toggle */
        .mobile-menu-toggle{display:none;background:transparent;color:var(--text-primary);font-size:1.6rem;padding:0.3rem;line-height:1;border-radius:var(--radius-sm);transition:color var(--transition-fast)}
        .mobile-menu-toggle:hover{color:var(--highlight)}

        /* Hero */
        .hero{position:relative;background:var(--bg-deep);color:var(--text-primary);padding:var(--spacing-4xl) 0;overflow:hidden;min-height:560px;display:flex;align-items:center}
        .hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;opacity:0.28;z-index:0}
        .hero-overlay{position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,17,32,0.55) 0%,rgba(11,17,32,0.85) 60%,var(--bg-deep) 100%);z-index:1}
        .hero .container{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-start;gap:var(--spacing-xl)}
        .hero-tag{display:inline-flex;align-items:center;gap:0.4rem;background:rgba(37,99,235,0.2);border:1px solid rgba(37,99,235,0.4);color:var(--primary-light);padding:0.4rem 1rem;border-radius:var(--radius-full);font-size:0.85rem;font-weight:600;letter-spacing:0.04em}
        .hero-tag .dot{width:8px;height:8px;background:var(--accent);border-radius:50%;animation:pulse-dot 1.6s infinite}
        @keyframes pulse-dot{0%,100%{opacity:1;transform:scale(1)}50%{opacity:0.4;transform:scale(1.6)}}
        .hero h1{font-size:clamp(2rem,4.5vw,3.2rem);font-weight:800;line-height:1.2;letter-spacing:-0.01em;max-width:700px}
        .hero h1 span{color:var(--highlight)}
        .hero p{font-size:1.1rem;color:var(--text-secondary);max-width:560px;line-height:1.7}
        .hero-buttons{display:flex;flex-wrap:wrap;gap:var(--spacing-md)}
        .btn-primary{display:inline-flex;align-items:center;gap:0.5rem;background:var(--primary);color:#fff;padding:0.8rem 1.8rem;border-radius:var(--radius-full);font-weight:700;font-size:1rem;transition:all var(--transition-normal);box-shadow:0 4px 16px rgba(37,99,235,0.35)}
        .btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 8px 28px rgba(37,99,235,0.5)}
        .btn-outline{display:inline-flex;align-items:center;gap:0.5rem;background:transparent;color:var(--text-primary);padding:0.8rem 1.8rem;border-radius:var(--radius-full);font-weight:600;font-size:1rem;border:2px solid rgba(255,255,255,0.3);transition:all var(--transition-normal)}
        .btn-outline:hover{background:rgba(255,255,255,0.06);border-color:rgba(255,255,255,0.6);transform:translateY(-2px)}

        /* Sections */
        .section{padding:var(--spacing-4xl) 0}
        .section-dark{background:var(--bg-deep);color:var(--text-primary)}
        .section-alt{background:var(--bg-white)}
        .section-label{display:inline-block;font-size:0.8rem;font-weight:700;text-transform:uppercase;letter-spacing:0.08em;color:var(--primary);margin-bottom:var(--spacing-sm)}
        .section-dark .section-label{color:var(--accent)}
        .section-title{font-size:clamp(1.5rem,3vw,2.2rem);font-weight:800;margin-bottom:var(--spacing-sm);letter-spacing:-0.01em;color:var(--text-dark)}
        .section-dark .section-title{color:var(--text-primary)}
        .section-desc{color:var(--text-dark-muted);max-width:600px;margin-bottom:var(--spacing-2xl);font-size:1rem;line-height:1.7}
        .section-dark .section-desc{color:var(--text-muted)}

        /* Feature Grid */
        .features-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-xl)}
        .feature-card{background:var(--bg-white);border-radius:var(--radius-lg);padding:var(--spacing-2xl) var(--spacing-xl);border:1px solid var(--border-light);transition:all var(--transition-normal);text-align:center;box-shadow:var(--shadow-sm)}
        .feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--primary-light)}
        .feature-icon{width:56px;height:56px;margin:0 auto var(--spacing-lg);background:linear-gradient(135deg,var(--primary),var(--accent));border-radius:var(--radius-md);display:flex;align-items:center;justify-content:center;font-size:1.6rem;color:#fff}
        .feature-card h3{font-size:1.1rem;font-weight:700;margin-bottom:var(--spacing-xs);color:var(--text-dark)}
        .feature-card p{font-size:0.9rem;color:var(--text-dark-muted);line-height:1.6}

        /* Category Cards */
        .category-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--spacing-xl)}
        .category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;aspect-ratio:4/3;cursor:pointer;transition:all var(--transition-normal);box-shadow:var(--shadow-md)}
        .category-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg)}
        .category-card img{width:100%;height:100%;object-fit:cover;transition:transform var(--transition-slow)}
        .category-card:hover img{transform:scale(1.06)}
        .category-card-overlay{position:absolute;inset:0;background:linear-gradient(0deg,rgba(11,17,32,0.9) 0%,rgba(11,17,32,0.3) 50%,rgba(11,17,32,0.1) 100%);display:flex;flex-direction:column;justify-content:flex-end;padding:var(--spacing-xl);color:#fff}
        .category-card-overlay h3{font-size:1.3rem;font-weight:700;margin-bottom:0.3rem}
        .category-card-overlay p{font-size:0.85rem;color:rgba(255,255,255,0.8)}
        .category-card-tag{position:absolute;top:var(--spacing-md);right:var(--spacing-md);background:var(--highlight);color:#0b1120;padding:0.3rem 0.8rem;border-radius:var(--radius-full);font-size:0.75rem;font-weight:700;z-index:2}

        /* CMS List */
        .cms-list{display:flex;flex-direction:column;gap:var(--spacing-md)}
        .cms-item{display:flex;gap:var(--spacing-lg);background:var(--bg-white);border-radius:var(--radius-md);padding:var(--spacing-lg);border:1px solid var(--border-light);transition:all var(--transition-normal);align-items:center;box-shadow:var(--shadow-sm)}
        .cms-item:hover{box-shadow:var(--shadow-md);border-color:var(--primary-light);transform:translateX(3px)}
        .cms-item-thumb{width:120px;height:80px;border-radius:var(--radius-sm);object-fit:cover;flex-shrink:0;background:var(--bg-light)}
        .cms-item-info{flex:1;min-width:0}
        .cms-item-info h4{font-size:1rem;font-weight:700;color:var(--text-dark);margin-bottom:0.25rem;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
        .cms-item-info .cms-meta{font-size:0.8rem;color:var(--text-dark-muted);display:flex;gap:var(--spacing-md);flex-wrap:wrap}
        .cms-item-info p{font-size:0.85rem;color:var(--text-dark-muted);margin-top:0.3rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
        .cms-empty{text-align:center;padding:var(--spacing-3xl);color:var(--text-dark-muted);font-size:1rem;background:var(--bg-white);border-radius:var(--radius-md);border:1px dashed var(--border-light)}

        /* Stats */
        .stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-xl)}
        .stat-card{text-align:center;padding:var(--spacing-2xl) var(--spacing-lg);background:var(--bg-card);border-radius:var(--radius-lg);border:1px solid var(--border-card);transition:all var(--transition-normal)}
        .stat-card:hover{border-color:var(--accent);box-shadow:var(--shadow-glow)}
        .stat-number{font-size:2.5rem;font-weight:800;color:var(--highlight);font-family:var(--font-mono);letter-spacing:-0.02em}
        .stat-label{font-size:0.9rem;color:var(--text-muted);margin-top:var(--spacing-xs)}

        /* Hot Games */
        .games-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--spacing-lg)}
        .game-card{background:var(--bg-white);border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border-light);transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}
        .game-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
        .game-card-img{width:100%;aspect-ratio:16/10;object-fit:cover}
        .game-card-body{padding:var(--spacing-md) var(--spacing-lg) var(--spacing-lg)}
        .game-card-body h4{font-size:1rem;font-weight:700;color:var(--text-dark);margin-bottom:0.25rem}
        .game-card-body p{font-size:0.8rem;color:var(--text-dark-muted);line-height:1.5}
        .game-card-badge{display:inline-block;background:var(--primary);color:#fff;font-size:0.7rem;padding:0.2rem 0.6rem;border-radius:var(--radius-full);font-weight:600;margin-top:var(--spacing-sm)}

        /* FAQ */
        .faq-list{display:flex;flex-direction:column;gap:var(--spacing-md);max-width:800px}
        .faq-item{background:var(--bg-white);border-radius:var(--radius-md);border:1px solid var(--border-light);overflow:hidden;transition:all var(--transition-normal);box-shadow:var(--shadow-sm)}
        .faq-item:hover{border-color:var(--primary-light)}
        .faq-question{padding:var(--spacing-lg) var(--spacing-xl);font-weight:700;font-size:1rem;color:var(--text-dark);cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:var(--spacing-md);user-select:none}
        .faq-question::after{content:'+';font-size:1.3rem;font-weight:300;color:var(--primary);flex-shrink:0;transition:transform var(--transition-fast)}
        .faq-item.open .faq-question::after{content:'−';transform:rotate(180deg)}
        .faq-answer{padding:0 var(--spacing-xl) var(--spacing-lg);font-size:0.9rem;color:var(--text-dark-muted);line-height:1.7;display:none}
        .faq-item.open .faq-answer{display:block}

        /* CTA */
        .cta-section{background:linear-gradient(135deg,var(--bg-deep) 0%,#0f1d3a 50%,var(--bg-dark) 100%);color:var(--text-primary);text-align:center;padding:var(--spacing-4xl) 0;position:relative;overflow:hidden}
        .cta-section::before{content:'';position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:0.15;z-index:0}
        .cta-section .container{position:relative;z-index:1}
        .cta-section h2{font-size:clamp(1.6rem,3vw,2.4rem);font-weight:800;margin-bottom:var(--spacing-md)}
        .cta-section p{color:var(--text-secondary);max-width:550px;margin:0 auto var(--spacing-xl);font-size:1.05rem}
        .btn-cta-large{display:inline-flex;align-items:center;gap:0.5rem;background:var(--highlight);color:#0b1120;padding:1rem 2.4rem;border-radius:var(--radius-full);font-weight:700;font-size:1.1rem;transition:all var(--transition-normal);box-shadow:0 6px 24px rgba(245,158,11,0.4)}
        .btn-cta-large:hover{background:var(--highlight-hover);transform:translateY(-3px);box-shadow:0 12px 36px rgba(245,158,11,0.55)}

        /* Footer */
        .site-footer{background:var(--bg-deep);color:var(--text-muted);padding:var(--spacing-3xl) 0 var(--spacing-xl);border-top:1px solid rgba(255,255,255,0.06)}
        .footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.5fr;gap:var(--spacing-2xl);margin-bottom:var(--spacing-2xl)}
        .footer-col h4{color:var(--text-primary);font-size:1rem;font-weight:700;margin-bottom:var(--spacing-md)}
        .footer-col p,.footer-col a{font-size:0.85rem;color:var(--text-muted);line-height:1.8;display:block;transition:color var(--transition-fast)}
        .footer-col a:hover{color:var(--highlight)}
        .footer-bottom{text-align:center;padding-top:var(--spacing-xl);border-top:1px solid rgba(255,255,255,0.06);font-size:0.8rem;color:var(--text-muted)}

        /* Responsive */
        @media(max-width:1024px){
            .features-grid{grid-template-columns:repeat(2,1fr)}
            .category-grid{grid-template-columns:repeat(2,1fr)}
            .stats-grid{grid-template-columns:repeat(2,1fr)}
            .games-grid{grid-template-columns:repeat(2,1fr)}
            .footer-grid{grid-template-columns:repeat(2,1fr)}
            .header-search{max-width:240px}
        }
        @media(max-width:768px){
            .container{padding:0 var(--spacing-md)}
            .header-top{gap:var(--spacing-sm)}
            .header-search{max-width:100%;order:3;flex-basis:100%}
            .header-cta-btn{font-size:0.8rem;padding:0.45rem 1rem}
            .hero{padding:var(--spacing-3xl) 0;min-height:420px}
            .hero h1{font-size:1.6rem}
            .hero p{font-size:0.95rem}
            .features-grid{grid-template-columns:1fr;gap:var(--spacing-md)}
            .category-grid{grid-template-columns:1fr;gap:var(--spacing-md)}
            .stats-grid{grid-template-columns:repeat(2,1fr);gap:var(--spacing-md)}
            .games-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-md)}
            .cms-item{flex-direction:column;gap:var(--spacing-md)}
            .cms-item-thumb{width:100%;height:160px}
            .footer-grid{grid-template-columns:1fr;gap:var(--spacing-xl)}
            .mobile-menu-toggle{display:block}
            .nav-tabs-list{flex-wrap:nowrap;gap:0}
            .nav-tabs-list a{padding:0.65rem 1rem;font-size:0.8rem}
            .section{padding:var(--spacing-3xl) 0}
            .section-title{font-size:1.4rem}
            .stat-number{font-size:1.8rem}
        }
        @media(max-width:520px){
            .header-logo{font-size:1.1rem}
            .header-logo .logo-icon{width:30px;height:30px;font-size:1rem}
            .hero{padding:var(--spacing-2xl) 0;min-height:340px}
            .hero h1{font-size:1.35rem}
            .hero-buttons{flex-direction:column;width:100%}
            .hero-buttons .btn-primary,.hero-buttons .btn-outline{width:100%;justify-content:center}
            .games-grid{grid-template-columns:1fr}
            .stats-grid{grid-template-columns:1fr 1fr;gap:var(--spacing-sm)}
            .stat-number{font-size:1.5rem}
            .category-card{aspect-ratio:16/10}
            .btn-primary,.btn-outline{padding:0.65rem 1.3rem;font-size:0.9rem}
            .cms-item-thumb{height:140px}
        }

/* roulang page: category1 */
/* ==================== 设计变量 ==================== */
        :root {
            --color-primary: #6C3CF0;
            --color-primary-dark: #5A2ECC;
            --color-primary-light: #8B5CF6;
            --color-accent: #FF6B35;
            --color-accent-hover: #E85A2A;
            --color-gold: #F5A623;
            --color-bg-dark: #0F0E17;
            --color-bg-dark-secondary: #1A1825;
            --color-bg-card: #1E1C2A;
            --color-bg-light: #F8F7FC;
            --color-text-white: #FFFFFF;
            --color-text-primary: #1E1B2E;
            --color-text-secondary: #5A5670;
            --color-text-muted: #8E8A9E;
            --color-text-light: #C4C1D4;
            --color-border: #E8E6F0;
            --color-border-dark: #2D2A3A;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-danger: #EF4444;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --radius-full: 50px;
            --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(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.06);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.18), 0 8px 20px rgba(0,0,0,0.08);
            --shadow-glow: 0 0 40px rgba(108,60,240,0.25), 0 4px 20px rgba(108,60,240,0.15);
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family-base: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, sans-serif;
            --font-family-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', 'Segoe UI', sans-serif;
            --container-max: 1200px;
            --container-padding: 20px;
            --nav-height-top: 60px;
            --nav-height-tabs: 48px;
            --nav-total-height: 108px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family-base);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--color-text-primary);
            background-color: #FFFFFF;
            min-height: 100vh;
            overflow-x: hidden;
            padding-top: var(--nav-total-height);
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        ul,
        ol {
            list-style: none;
        }

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

        .container--narrow {
            max-width: 900px;
        }

        /* ==================== Header / 双层导航 ==================== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: 0 1px 0 var(--color-border), 0 2px 8px rgba(0,0,0,0.04);
            transition: box-shadow var(--transition-base);
        }

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

        /* 第一行：品牌与搜索/CTA */
        .nav-top-bar {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-top);
            padding: 0 20px;
            border-bottom: 1px solid var(--color-border);
            background: #FFFFFF;
            gap: 16px;
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-family-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .nav-brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #FFF;
            flex-shrink: 0;
        }

        .nav-brand-text {
            font-weight: 700;
            font-size: 1.15rem;
            line-height: 1.2;
            color: var(--color-text-primary);
        }

        .nav-brand-text span {
            color: var(--color-primary);
        }

        .nav-search-wrap {
            flex: 1;
            max-width: 420px;
            position: relative;
        }

        .nav-search-input {
            width: 100%;
            height: 42px;
            padding: 0 44px 0 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            background: var(--color-bg-light);
            color: var(--color-text-primary);
            transition: all var(--transition-base);
        }

        .nav-search-input:focus {
            border-color: var(--color-primary-light);
            background: #FFFFFF;
            box-shadow: 0 0 0 4px rgba(108,60,240,0.08);
            outline: none;
        }

        .nav-search-input::placeholder {
            color: var(--color-text-muted);
        }

        .nav-search-btn {
            position: absolute;
            right: 6px;
            top: 50%;
            transform: translateY(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFF;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .nav-search-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-50%) scale(1.05);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: linear-gradient(135deg, var(--color-accent), #FF8C55);
            color: #FFF;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            white-space: nowrap;
            flex-shrink: 0;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(255,107,53,0.3);
        }

        .nav-cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,107,53,0.4);
        }

        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            background: var(--color-bg-light);
            border-radius: var(--radius-md);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            flex-shrink: 0;
            border: 1px solid var(--color-border);
        }

        .nav-mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--color-text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        /* 第二行：频道 Tabs */
        .nav-tabs-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            height: var(--nav-height-tabs);
            display: flex;
            align-items: center;
        }

        .nav-tabs-list {
            display: flex;
            align-items: center;
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            padding: 0;
            white-space: nowrap;
        }

        .nav-tabs-list::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-list a {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .nav-tabs-list a:hover {
            color: var(--color-primary);
            background: rgba(108,60,240,0.05);
        }

        .nav-tabs-list a.active {
            color: #FFF;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 10px rgba(108,60,240,0.3);
        }

        .nav-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: 20px;
            background: var(--color-accent);
            color: #FFF;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }

        .nav-tabs-list a.active .nav-badge {
            background: #FFF;
            color: var(--color-primary);
        }

        /* ==================== 分类 Banner ==================== */
        .category-banner {
            position: relative;
            background: var(--color-bg-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            padding: 60px 0;
            min-height: 280px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .category-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15,14,23,0.88) 0%, rgba(26,24,37,0.78) 40%, rgba(108,60,240,0.22) 100%);
            z-index: 1;
        }

        .category-banner::after {
            content: '';
            position: absolute;
            top: -50%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(108,60,240,0.18) 0%, transparent 70%);
            border-radius: 50%;
            z-index: 1;
            animation: bannerGlow 8s ease-in-out infinite;
        }

        @keyframes bannerGlow {
            0%, 100% { transform: scale(1); opacity: 0.6; }
            50% { transform: scale(1.3); opacity: 1; }
        }

        .category-banner-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .category-banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(255,255,255,0.12);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: var(--radius-full);
            color: #FFF;
            font-size: 0.8rem;
            font-weight: 500;
            margin-bottom: 16px;
            backdrop-filter: blur(10px);
        }

        .category-banner-title {
            font-family: var(--font-family-heading);
            font-size: 2.6rem;
            font-weight: 800;
            color: #FFFFFF;
            line-height: 1.25;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .category-banner-title .highlight {
            background: linear-gradient(135deg, var(--color-gold), #FFD166);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .category-banner-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 20px;
            max-width: 560px;
        }

        .category-banner-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
        }

        .category-banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #FFF;
            font-size: 0.9rem;
        }

        .category-banner-stat strong {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-gold);
        }

        /* ==================== 面包屑 ==================== */
        .breadcrumb-bar {
            background: #FFFFFF;
            border-bottom: 1px solid var(--color-border);
            padding: 12px 0;
        }

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

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

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

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

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

        /* ==================== 主内容区域 ==================== */
        .category-main {
            padding: 48px 0 60px;
            background: var(--color-bg-light);
        }

        .category-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 32px;
            align-items: start;
        }

        /* ==================== 文章列表区 ==================== */
        .articles-section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 24px;
        }

        .articles-section-title {
            font-family: var(--font-family-heading);
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--color-text-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .articles-section-title .count {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            background: #FFF;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            border: 1px solid var(--color-border);
        }

        .articles-sort {
            display: flex;
            gap: 6px;
        }

        .articles-sort-btn {
            padding: 7px 14px;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            background: #FFF;
            border: 1px solid var(--color-border);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .articles-sort-btn:hover {
            border-color: var(--color-primary-light);
            color: var(--color-primary);
        }

        .articles-sort-btn.active-sort {
            background: var(--color-primary);
            color: #FFF;
            border-color: var(--color-primary);
            font-weight: 600;
        }

        /* 文章卡片网格 */
        .articles-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .article-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .article-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .article-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--color-bg-dark-secondary);
        }

        .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 .overlay-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .article-card-image .tag-chip {
            padding: 4px 10px;
            background: rgba(0,0,0,0.7);
            color: #FFF;
            font-size: 0.72rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            backdrop-filter: blur(6px);
            letter-spacing: 0.2px;
        }

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

        .article-card-title {
            font-family: var(--font-family-heading);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .article-card:hover .article-card-title {
            color: var(--color-primary);
        }

        .article-card-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex: 1;
        }

        .article-card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            padding-top: 12px;
            border-top: 1px solid var(--color-border);
        }

        .article-card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .article-card-link {
            position: absolute;
            inset: 0;
            z-index: 2;
        }

        /* ==================== 分页 ==================== */
        .pagination-wrap {
            margin-top: 36px;
            display: flex;
            justify-content: center;
        }

        .pagination {
            display: flex;
            align-items: center;
            gap: 4px;
            background: #FFF;
            padding: 6px 10px;
            border-radius: var(--radius-full);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .pagination a,
        .pagination span {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 38px;
            height: 38px;
            padding: 0 8px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .pagination a:hover {
            background: rgba(108,60,240,0.08);
            color: var(--color-primary);
        }

        .pagination .active-page {
            background: var(--color-primary);
            color: #FFF;
            font-weight: 700;
            box-shadow: 0 2px 8px rgba(108,60,240,0.3);
        }

        .pagination .pagination-dots {
            color: var(--color-text-muted);
            cursor: default;
        }

        .pagination .pagination-arrow {
            font-size: 1.1rem;
        }

        /* ==================== 侧边栏 ==================== */
        .sidebar {
            position: sticky;
            top: calc(var(--nav-total-height) + 24px);
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .sidebar-card {
            background: #FFFFFF;
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border);
        }

        .sidebar-card-title {
            font-family: var(--font-family-heading);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text-primary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--color-border);
        }

        .sidebar-card-title::after {
            content: '';
            display: block;
            width: 32px;
            height: 3px;
            background: var(--color-primary);
            border-radius: 2px;
            position: absolute;
            bottom: -2px;
            left: 0;
        }

        .sidebar-card-title {
            position: relative;
        }

        /* 热门文章小列表 */
        .hot-list-item {
            display: flex;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
        }

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

        .hot-list-item:hover {
            padding-left: 4px;
        }

        .hot-list-item:hover .hot-list-title {
            color: var(--color-primary);
        }

        .hot-list-rank {
            width: 28px;
            height: 28px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.8rem;
            flex-shrink: 0;
            color: #FFF;
            background: var(--color-text-muted);
        }

        .hot-list-item:nth-child(1) .hot-list-rank {
            background: linear-gradient(135deg, #F59E0B, #F97316);
        }
        .hot-list-item:nth-child(2) .hot-list-rank {
            background: linear-gradient(135deg, #94A3B8, #64748B);
        }
        .hot-list-item:nth-child(3) .hot-list-rank {
            background: linear-gradient(135deg, #D97706, #B45309);
        }

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

        .hot-list-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .hot-list-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        /* 标签云 */
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud-item {
            padding: 6px 13px;
            background: var(--color-bg-light);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            color: var(--color-text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-weight: 500;
            white-space: nowrap;
        }

        .tag-cloud-item:hover {
            background: var(--color-primary);
            color: #FFF;
            border-color: var(--color-primary);
            transform: translateY(-1px);
            box-shadow: 0 3px 10px rgba(108,60,240,0.25);
        }

        /* 侧边栏 CTA */
        .sidebar-cta {
            background: linear-gradient(135deg, var(--color-bg-dark), var(--color-bg-dark-secondary));
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            color: #FFF;
            border: 1px solid var(--color-border-dark);
        }

        .sidebar-cta-icon {
            font-size: 2.5rem;
            margin-bottom: 10px;
            display: block;
        }

        .sidebar-cta h4 {
            font-family: var(--font-family-heading);
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .sidebar-cta p {
            font-size: 0.82rem;
            color: var(--color-text-light);
            margin-bottom: 16px;
            line-height: 1.5;
        }

        .sidebar-cta-btn {
            display: inline-block;
            padding: 10px 24px;
            background: var(--color-accent);
            color: #FFF;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            box-shadow: 0 4px 14px rgba(255,107,53,0.3);
        }

        .sidebar-cta-btn:hover {
            background: var(--color-accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,107,53,0.4);
        }

        /* ==================== CTA 板块 ==================== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 40%, var(--color-primary-light) 100%);
            padding: 56px 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.1) 0%, transparent 70%);
            border-radius: 50%;
            animation: ctaFloat 10s ease-in-out infinite;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40%;
            right: -5%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255,255,255,0.08) 0%, transparent 70%);
            border-radius: 50%;
            animation: ctaFloat 10s ease-in-out infinite reverse;
        }

        @keyframes ctaFloat {
            0%, 100% { transform: translate(0, 0) scale(1); }
            33% { transform: translate(30px, -20px) scale(1.1); }
            66% { transform: translate(-20px, 15px) scale(0.95); }
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 650px;
            margin: 0 auto;
        }

        .cta-title {
            font-family: var(--font-family-heading);
            font-size: 2rem;
            font-weight: 800;
            color: #FFF;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .cta-desc {
            font-size: 1rem;
            color: rgba(255,255,255,0.85);
            margin-bottom: 28px;
            line-height: 1.6;
        }

        .cta-buttons {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: #FFF;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-full);
            transition: all var(--transition-base);
            box-shadow: var(--shadow-lg);
        }

        .cta-btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-xl);
        }

        .cta-btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: #FFF;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-full);
            border: 2px solid rgba(255,255,255,0.5);
            transition: all var(--transition-base);
        }

        .cta-btn-outline:hover {
            background: rgba(255,255,255,0.12);
            border-color: #FFF;
            transform: translateY(-3px);
        }

        /* ==================== Footer ==================== */
        .site-footer {
            background: var(--color-bg-dark);
            color: #FFF;
            padding: 48px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 32px;
            padding-bottom: 36px;
            border-bottom: 1px solid var(--color-border-dark);
        }

        .footer-col h4 {
            font-family: var(--font-family-heading);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #FFF;
            letter-spacing: -0.2px;
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 8px;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--color-text-light);
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: #FFF;
            padding-left: 6px;
        }

        .footer-bottom {
            padding: 18px 0;
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        /* ==================== 响应式设计 ==================== */
        @media (max-width: 1024px) {
            .category-layout {
                grid-template-columns: 1fr 280px;
                gap: 24px;
            }

            .articles-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .category-banner-title {
                font-size: 2rem;
            }

            .nav-search-wrap {
                max-width: 280px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: calc(var(--nav-height-top) + var(--nav-height-tabs));
            }

            .nav-search-wrap {
                display: none;
            }

            .nav-cta-btn {
                font-size: 0.8rem;
                padding: 8px 14px;
            }

            .nav-brand-text {
                font-size: 1rem;
            }

            .nav-brand-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
            }

            .nav-tabs-list {
                gap: 2px;
            }

            .nav-tabs-list a {
                padding: 7px 12px;
                font-size: 0.82rem;
            }

            .category-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .articles-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .sidebar {
                position: static;
                order: -1;
                flex-direction: row;
                flex-wrap: wrap;
                gap: 14px;
            }

            .sidebar-card {
                flex: 1 1 calc(50% - 7px);
                min-width: 200px;
            }

            .sidebar-cta {
                flex: 1 1 100%;
            }

            .category-banner {
                padding: 40px 0;
                min-height: 200px;
            }

            .category-banner-title {
                font-size: 1.6rem;
            }

            .category-banner-desc {
                font-size: 0.9rem;
            }

            .cta-title {
                font-size: 1.5rem;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .breadcrumb {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            :root {
                --nav-height-top: 52px;
                --nav-height-tabs: 42px;
                --nav-total-height: 94px;
                --container-padding: 14px;
            }

            .nav-cta-btn {
                display: none;
            }

            .nav-mobile-toggle {
                display: flex;
            }

            .nav-tabs-list a {
                padding: 6px 10px;
                font-size: 0.78rem;
            }

            .nav-brand-text {
                font-size: 0.9rem;
            }

            .articles-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

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

            .article-card-title {
                font-size: 1rem;
            }

            .category-banner {
                padding: 32px 0;
                min-height: 180px;
            }

            .category-banner-title {
                font-size: 1.3rem;
            }

            .category-banner-desc {
                font-size: 0.82rem;
            }

            .category-banner-stats {
                gap: 14px;
            }

            .category-banner-stat {
                font-size: 0.78rem;
            }

            .category-banner-stat strong {
                font-size: 1.1rem;
            }

            .articles-section-header {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }

            .articles-sort {
                flex-wrap: wrap;
            }

            .articles-sort-btn {
                font-size: 0.78rem;
                padding: 6px 11px;
            }

            .pagination a,
            .pagination span {
                min-width: 32px;
                height: 32px;
                font-size: 0.8rem;
                padding: 0 6px;
            }

            .sidebar {
                flex-direction: column;
            }

            .sidebar-card {
                flex: 1 1 100%;
            }

            .cta-title {
                font-size: 1.25rem;
            }

            .cta-desc {
                font-size: 0.88rem;
            }

            .cta-btn-primary,
            .cta-btn-outline {
                padding: 12px 24px;
                font-size: 0.88rem;
                width: 100%;
                justify-content: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .category-main {
                padding: 28px 0 40px;
            }

            .breadcrumb-bar {
                padding: 10px 0;
            }
        }

        /* 移动端导航抽屉（备用） */
        @media (max-width: 520px) {
            .nav-tabs-bar {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
            }

            .nav-tabs-list {
                padding: 0 4px;
            }
        }

        /* ==================== 辅助动画 ==================== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .article-card {
            animation: fadeInUp 0.5s ease forwards;
        }

        .article-card:nth-child(1) { animation-delay: 0.05s; }
        .article-card:nth-child(2) { animation-delay: 0.1s; }
        .article-card:nth-child(3) { animation-delay: 0.15s; }
        .article-card:nth-child(4) { animation-delay: 0.2s; }
        .article-card:nth-child(5) { animation-delay: 0.25s; }
        .article-card:nth-child(6) { animation-delay: 0.3s; }

/* roulang page: article */
:root {
            --color-bg-deep: #080c14;
            --color-bg-primary: #0d1117;
            --color-bg-secondary: #141c26;
            --color-bg-card: #161d2a;
            --color-bg-elevated: #1a2332;
            --color-bg-hover: #1e2a3b;
            --color-surface: #1c2533;
            --color-border: #1e2d3d;
            --color-border-light: #253548;
            --color-border-glow: #2a4565;
            --color-accent: #3b82f6;
            --color-accent-light: #60a5fa;
            --color-accent-glow: rgba(59, 130, 246, 0.35);
            --color-accent-strong: #2563eb;
            --color-gold: #f59e0b;
            --color-gold-light: #fbbf24;
            --color-gold-glow: rgba(245, 158, 11, 0.3);
            --color-amber: #d97706;
            --color-text-primary: #e8ecf1;
            --color-text-secondary: #b0b8c1;
            --color-text-muted: #6b7280;
            --color-text-inverse: #0d1117;
            --color-white: #ffffff;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-xs: 4px;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 14px;
            --radius-xl: 18px;
            --radius-2xl: 24px;
            --radius-full: 9999px;
            --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.4), 0 1px 4px rgba(0, 0, 0, 0.25);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.5), 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.55), 0 4px 16px rgba(0, 0, 0, 0.35);
            --shadow-glow-accent: 0 0 20px rgba(59, 130, 246, 0.25), 0 0 60px rgba(59, 130, 246, 0.08);
            --shadow-glow-gold: 0 0 20px rgba(245, 158, 11, 0.2), 0 0 50px rgba(245, 158, 11, 0.06);
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'JetBrains Mono', 'SF Mono', 'Fira Code', 'Consolas', monospace;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --container-narrow: 860px;
            --header-height: 56px;
            --nav-tabs-height: 48px;
            --spacing-xs: 6px;
            --spacing-sm: 10px;
            --spacing-md: 18px;
            --spacing-lg: 28px;
            --spacing-xl: 40px;
            --spacing-2xl: 56px;
            --spacing-3xl: 72px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background-color: var(--color-bg-deep);
            color: var(--color-text-primary);
            line-height: 1.65;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background-image:
                radial-gradient(ellipse at 20% 10%, rgba(59, 130, 246, 0.04) 0%, transparent 60%),
                radial-gradient(ellipse at 80% 30%, rgba(245, 158, 11, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 70%, rgba(59, 130, 246, 0.03) 0%, transparent 50%);
            background-attachment: fixed;
        }

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

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

        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-xs);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-md);
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
        }

        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

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

        .container-narrow {
            max-width: var(--container-narrow);
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: var(--color-bg-primary);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            background: rgba(13, 17, 23, 0.88);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            gap: var(--spacing-md);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-white);
            letter-spacing: -0.01em;
            white-space: nowrap;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .header-logo:hover {
            color: var(--color-gold-light);
        }

        .header-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), #6366f1);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            flex-shrink: 0;
            box-shadow: var(--shadow-glow-accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
        }

        .header-search {
            display: flex;
            align-items: center;
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-full);
            padding: 8px 16px;
            gap: 8px;
            transition: all var(--transition-fast);
        }

        .header-search:focus-within {
            border-color: var(--color-accent);
            box-shadow: var(--shadow-glow-accent);
            background: var(--color-bg-elevated);
        }

        .header-search input {
            background: transparent;
            border: none;
            color: var(--color-text-primary);
            font-size: 0.9rem;
            outline: none;
            width: 160px;
            transition: width var(--transition-smooth);
        }

        .header-search input:focus {
            width: 220px;
        }

        .header-search input::placeholder {
            color: var(--color-text-muted);
        }

        .header-search-icon {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .btn-cta-header {
            background: linear-gradient(135deg, var(--color-accent), #4f46e5);
            color: #fff;
            padding: 9px 20px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow-accent);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .btn-cta-header:hover {
            transform: translateY(-1px);
            box-shadow: 0 0 28px rgba(59, 130, 246, 0.4), 0 0 70px rgba(59, 130, 246, 0.12);
            color: #fff;
        }

        .btn-cta-header:active {
            transform: translateY(0);
            box-shadow: var(--shadow-md);
        }

        /* ========== NAV TABS ========== */
        .nav-tabs-bar {
            background: var(--color-bg-secondary);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-tabs-bar::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs-list {
            display: flex;
            gap: 2px;
            padding: 4px 0;
            white-space: nowrap;
            align-items: center;
        }

        .nav-tabs-list a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 18px;
            border-radius: var(--radius-full);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            text-decoration: none;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-tabs-list a:hover {
            color: var(--color-text-primary);
            background: var(--color-bg-hover);
        }

        .nav-tabs-list a.active {
            background: var(--color-accent);
            color: #fff;
            font-weight: 600;
            box-shadow: var(--shadow-glow-accent);
        }

        .nav-tabs-list a.active:hover {
            background: var(--color-accent-light);
            color: #fff;
        }

        .nav-badge {
            display: inline-block;
            background: var(--color-gold);
            color: #000;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 2px 7px;
            border-radius: var(--radius-full);
            letter-spacing: 0.02em;
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(245, 158, 11, 0.5);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(245, 158, 11, 0);
            }
        }

        /* ========== MAIN LAYOUT ========== */
        .main-content {
            flex: 1;
            padding: var(--spacing-xl) 0 var(--spacing-3xl);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: var(--spacing-xl);
            align-items: start;
        }

        /* ========== BREADCRUMB ========== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: var(--spacing-lg);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            padding: 0;
            list-style: none;
        }

        .breadcrumb a {
            color: var(--color-text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-sep {
            color: var(--color-text-muted);
            font-size: 0.7rem;
            pointer-events: none;
        }

        .breadcrumb-current {
            color: var(--color-text-secondary);
            pointer-events: none;
            font-weight: 500;
        }

        /* ========== ARTICLE MAIN ========== */
        .article-main {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .article-cover {
            width: 100%;
            aspect-ratio: 16 / 8;
            object-fit: cover;
            border-radius: 0;
            display: block;
            background: var(--color-bg-secondary);
            border-bottom: 1px solid var(--color-border);
        }

        .article-body {
            padding: var(--spacing-xl) var(--spacing-xl) var(--spacing-2xl);
        }

        .article-category-tag {
            display: inline-block;
            background: rgba(59, 130, 246, 0.15);
            color: var(--color-accent-light);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: var(--radius-full);
            margin-bottom: var(--spacing-md);
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-fast);
            border: 1px solid rgba(59, 130, 246, 0.2);
        }

        .article-category-tag:hover {
            background: rgba(59, 130, 246, 0.25);
            color: #fff;
            border-color: var(--color-accent);
        }

        .article-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-white);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.01em;
        }

        .article-meta {
            display: flex;
            align-items: center;
            gap: var(--spacing-md);
            flex-wrap: wrap;
            padding-bottom: var(--spacing-lg);
            border-bottom: 1px solid var(--color-border);
            margin-bottom: var(--spacing-lg);
            font-size: 0.88rem;
            color: var(--color-text-muted);
        }

        .article-meta-item {
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .article-meta-dot {
            width: 4px;
            height: 4px;
            border-radius: 50%;
            background: var(--color-text-muted);
            flex-shrink: 0;
        }

        .article-content {
            font-size: 1.05rem;
            line-height: 1.8;
            color: var(--color-text-secondary);
        }

        .article-content h2 {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-white);
            margin: var(--spacing-xl) 0 var(--spacing-md);
            padding-bottom: var(--spacing-sm);
            border-bottom: 2px solid var(--color-border-light);
            letter-spacing: -0.01em;
        }

        .article-content h3 {
            font-size: 1.25rem;
            font-weight: 600;
            color: var(--color-text-primary);
            margin: var(--spacing-lg) 0 var(--spacing-sm);
        }

        .article-content p {
            margin-bottom: var(--spacing-md);
        }

        .article-content ul,
        .article-content ol {
            margin: var(--spacing-md) 0;
            padding-left: 1.5em;
        }

        .article-content li {
            margin-bottom: var(--spacing-xs);
        }

        .article-content blockquote {
            border-left: 3px solid var(--color-accent);
            background: var(--color-bg-elevated);
            padding: var(--spacing-md) var(--spacing-lg);
            margin: var(--spacing-lg) 0;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            color: var(--color-text-secondary);
            font-style: italic;
        }

        .article-content img {
            border-radius: var(--radius-lg);
            margin: var(--spacing-lg) auto;
            box-shadow: var(--shadow-md);
            max-width: 100%;
        }

        .article-content code {
            background: var(--color-bg-secondary);
            padding: 2px 8px;
            border-radius: var(--radius-xs);
            font-family: var(--font-mono);
            font-size: 0.9em;
            color: var(--color-gold-light);
            border: 1px solid var(--color-border);
        }

        .article-content pre {
            background: var(--color-bg-deep);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: var(--spacing-lg);
            overflow-x: auto;
            margin: var(--spacing-lg) 0;
            font-family: var(--font-mono);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .article-content pre code {
            background: none;
            padding: 0;
            border: none;
            color: var(--color-text-secondary);
        }

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

        .article-content a {
            color: var(--color-accent-light);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content a:hover {
            color: var(--color-gold-light);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: var(--spacing-xs);
            margin-top: var(--spacing-xl);
            padding-top: var(--spacing-lg);
            border-top: 1px solid var(--color-border);
        }

        .article-tag {
            display: inline-block;
            background: var(--color-bg-secondary);
            color: var(--color-text-muted);
            font-size: 0.8rem;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .article-tag:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-light);
            background: var(--color-bg-hover);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: var(--spacing-sm);
            margin-top: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .article-share-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-right: var(--spacing-xs);
        }

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

        .btn-share:hover {
            background: var(--color-accent);
            border-color: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-glow-accent);
        }

        /* ========== NOT FOUND ========== */
        .not-found-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            border: 1px solid var(--color-border);
            padding: var(--spacing-3xl) var(--spacing-xl);
            text-align: center;
            box-shadow: var(--shadow-md);
        }

        .not-found-icon {
            font-size: 4rem;
            margin-bottom: var(--spacing-lg);
            display: block;
        }

        .not-found-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-md);
        }

        .not-found-card p {
            color: var(--color-text-muted);
            margin-bottom: var(--spacing-lg);
            line-height: 1.7;
        }

        .btn-back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 12px 24px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.95rem;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-glow-accent);
        }

        .btn-back-home:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(59, 130, 246, 0.45);
        }

        /* ========== SIDEBAR ========== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: var(--spacing-lg);
            position: sticky;
            top: calc(var(--header-height) + var(--nav-tabs-height) + var(--spacing-xl) + 30px);
        }

        .sidebar-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-md);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: -0.01em;
        }

        .sidebar-card h3 .icon-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-accent);
            box-shadow: 0 0 10px var(--color-accent-glow);
        }

        .sidebar-post-item {
            display: flex;
            gap: var(--spacing-sm);
            padding: var(--spacing-sm) 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-decoration: none;
            align-items: flex-start;
        }

        .sidebar-post-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-post-item:hover {
            padding-left: 6px;
        }

        .sidebar-post-thumb {
            width: 56px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-bg-secondary);
            border: 1px solid var(--color-border);
        }

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

        .sidebar-post-title {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--color-text-primary);
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color var(--transition-fast);
        }

        .sidebar-post-item:hover .sidebar-post-title {
            color: var(--color-accent-light);
        }

        .sidebar-post-date {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }

        .sidebar-category-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .sidebar-category-list a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            text-decoration: none;
            transition: all var(--transition-fast);
            background: var(--color-bg-secondary);
        }

        .sidebar-category-list a:hover {
            background: var(--color-bg-hover);
            color: var(--color-gold-light);
        }

        .sidebar-category-count {
            font-size: 0.75rem;
            background: var(--color-bg-elevated);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            color: var(--color-text-muted);
            font-weight: 600;
        }

        .sidebar-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .sidebar-tag-cloud a {
            font-size: 0.78rem;
            padding: 5px 12px;
            background: var(--color-bg-secondary);
            border-radius: var(--radius-full);
            color: var(--color-text-muted);
            text-decoration: none;
            border: 1px solid transparent;
            transition: all var(--transition-fast);
        }

        .sidebar-tag-cloud a:hover {
            border-color: var(--color-accent);
            color: var(--color-accent-light);
            background: var(--color-bg-hover);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg-primary);
            border-top: 1px solid var(--color-border);
            padding: var(--spacing-2xl) 0 var(--spacing-lg);
            margin-top: auto;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-xl);
            padding-bottom: var(--spacing-xl);
            border-bottom: 1px solid var(--color-border);
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: var(--spacing-md);
            letter-spacing: -0.01em;
        }

        .footer-col p {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: var(--color-text-muted);
            text-decoration: none;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            text-align: center;
            padding-top: var(--spacing-lg);
            font-size: 0.83rem;
            color: var(--color-text-muted);
        }

        .footer-bottom p {
            margin: 0;
            line-height: 1.6;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: var(--spacing-lg);
            }

            .sidebar {
                position: static;
                display: grid;
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-md);
            }

            .sidebar-card {
                padding: var(--spacing-md);
            }

            .article-title {
                font-size: 1.65rem;
            }

            .article-body {
                padding: var(--spacing-lg);
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: var(--spacing-lg);
            }

            .header-search input {
                width: 120px;
            }

            .header-search input:focus {
                width: 160px;
            }
        }

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

            .header-top {
                padding: 8px 0;
                gap: var(--spacing-sm);
            }

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

            .header-logo-icon {
                width: 32px;
                height: 32px;
                font-size: 1rem;
                border-radius: var(--radius-sm);
            }

            .header-search {
                padding: 6px 12px;
                gap: 6px;
            }

            .header-search input {
                width: 90px;
                font-size: 0.82rem;
            }

            .header-search input:focus {
                width: 120px;
            }

            .btn-cta-header {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .nav-tabs-list a {
                padding: 8px 14px;
                font-size: 0.82rem;
            }

            .article-title {
                font-size: 1.4rem;
            }

            .article-content {
                font-size: 0.98rem;
            }

            .article-content h2 {
                font-size: 1.3rem;
            }

            .article-content h3 {
                font-size: 1.1rem;
            }

            .article-body {
                padding: var(--spacing-md);
            }

            .sidebar {
                grid-template-columns: 1fr;
            }

            .article-meta {
                font-size: 0.8rem;
                gap: var(--spacing-sm);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-md);
            }

            .breadcrumb {
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .header-top {
                flex-wrap: wrap;
                gap: 8px;
            }

            .header-logo {
                font-size: 1rem;
            }

            .header-search {
                flex: 1;
                min-width: 0;
            }

            .header-search input {
                width: 100%;
                font-size: 0.8rem;
            }

            .header-search input:focus {
                width: 100%;
            }

            .btn-cta-header {
                padding: 6px 12px;
                font-size: 0.75rem;
                flex-shrink: 0;
            }

            .nav-tabs-list a {
                padding: 7px 11px;
                font-size: 0.78rem;
                gap: 4px;
            }

            .nav-badge {
                font-size: 0.65rem;
                padding: 2px 5px;
            }

            .article-title {
                font-size: 1.2rem;
            }

            .article-content {
                font-size: 0.93rem;
                line-height: 1.7;
            }

            .article-body {
                padding: var(--spacing-sm) var(--spacing-sm) var(--spacing-md);
            }

            .article-cover {
                aspect-ratio: 16 / 10;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }

            .footer-col h4 {
                font-size: 0.95rem;
            }

            .not-found-card {
                padding: var(--spacing-xl) var(--spacing-md);
            }

            .not-found-icon {
                font-size: 3rem;
            }

            .not-found-card h2 {
                font-size: 1.3rem;
            }
        }