/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --color-bg: #0a0a1a;
  --color-bg-alt: #111128;
  --color-bg-card: #16163a;
  --color-bg-sidebar: #080818;
  --color-primary: #6c5ce7;
  --color-primary-light: #8b7cf7;
  --color-secondary: #00d4ff;
  --color-accent: #ff6b35;
  --color-success: #00e676;
  --color-text: #e8e8f0;
  --color-text-muted: #9a9abf;
  --color-text-dim: #6a6a8a;
  --color-border: rgba(108, 92, 231, 0.25);
  --color-border-light: rgba(255, 255, 255, 0.06);
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.3);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.4);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 30px rgba(108, 92, 231, 0.15);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --sidebar-width: 240px;
  --header-height: 68px;
  --max-width: 1200px;
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
/* ===== 基础重置 ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;font-size:16px}
body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.7;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;min-height:100vh}
a{color:var(--color-secondary);text-decoration:none;transition:color var(--transition)}
a:hover{color:var(--color-primary-light)}
img{max-width:100%;display:block;height:auto}
button,input,textarea,select{font-family:inherit;font-size:inherit;outline:none;border:none;background:none;color:inherit}
ul,ol{list-style:none}
h1,h2,h3,h4,h5,h6{line-height:1.3;font-weight:700;color:#fff}
h1{font-size:clamp(2rem, 5vw, 3.6rem);letter-spacing:-0.02em}
h2{font-size:clamp(1.6rem, 3.5vw, 2.4rem);letter-spacing:-0.01em}
h3{font-size:clamp(1.2rem, 2.2vw, 1.5rem)}
h4{font-size:1.1rem}
p{margin-bottom:1rem;color:var(--color-text-muted)}
p:last-child{margin-bottom:0}
::selection{background:var(--color-primary);color:#fff}
::-webkit-scrollbar{width:6px;height:6px}
::-webkit-scrollbar-track{background:var(--color-bg)}
::-webkit-scrollbar-thumb{background:var(--color-primary);border-radius:10px}
/* ===== 容器 ===== */
.container{width:100%;max-width:var(--max-width);margin:0 auto;padding:0 24px}
/* ===== 布局 ===== */
.layout{display:flex;min-height:100vh}
.sidebar{position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;background:var(--color-bg-sidebar);border-right:1px solid var(--color-border);z-index:1000;display:flex;flex-direction:column;overflow-y:auto;transition:transform var(--transition)}
.sidebar-brand{padding:28px 20px 20px;border-bottom:1px solid var(--color-border-light);display:flex;align-items:center;gap:12px}
.sidebar-brand .brand-icon{width:40px;height:40px;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));border-radius:var(--radius-sm);display:flex;align-items:center;justify-content:center;font-size:20px;color:#fff;flex-shrink:0}
.sidebar-brand .brand-text{font-size:1.1rem;font-weight:700;color:#fff;line-height:1.3;letter-spacing:0.01em}
.sidebar-nav{padding:16px 12px;flex:1}
.sidebar-nav a{display:flex;align-items:center;gap:14px;padding:12px 16px;border-radius:var(--radius-md);color:var(--color-text-muted);font-weight:500;font-size:0.95rem;transition:all var(--transition);margin-bottom:4px}
.sidebar-nav a i{width:20px;text-align:center;font-size:1.1rem}
.sidebar-nav a:hover{background:rgba(108,92,231,0.12);color:var(--color-primary-light)}
.sidebar-nav a.active{background:rgba(108,92,231,0.2);color:var(--color-secondary);box-shadow:inset 3px 0 0 var(--color-primary)}
.sidebar-footer{padding:16px 20px;border-top:1px solid var(--color-border-light);font-size:0.75rem;color:var(--color-text-dim);text-align:center;line-height:1.5}
.main-content{flex:1;margin-left:var(--sidebar-width);min-height:100vh;position:relative}
/* ===== 移动端头部 ===== */
.mobile-header{display:none;position:fixed;top:0;left:0;right:0;height:var(--header-height);background:var(--color-bg-sidebar);border-bottom:1px solid var(--color-border);z-index:1001;padding:0 20px;align-items:center;justify-content:space-between}
.mobile-header .brand-text{font-size:1rem;font-weight:700;color:#fff;display:flex;align-items:center;gap:10px}
.mobile-header .brand-text i{color:var(--color-primary)}
.mobile-toggle{background:none;border:none;color:#fff;font-size:1.5rem;cursor:pointer;padding:6px;border-radius:var(--radius-sm);transition:background var(--transition)}
.mobile-toggle:hover{background:rgba(255,255,255,0.08)}
.mobile-overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:999;backdrop-filter:blur(4px)}
/* ===== Hero ===== */
.hero{position:relative;padding:100px 0 90px;background:linear-gradient(135deg,rgba(10,10,26,0.92),rgba(17,17,40,0.88)),url('/assets/images/backpic/back-1.png') center center / cover no-repeat;overflow:hidden;min-height:520px;display:flex;align-items:center}
.hero::before{content:'';position:absolute;top:-50%;left:-50%;width:200%;height:200%;background:radial-gradient(ellipse at 30% 40%,rgba(108,92,231,0.12),transparent 60%),radial-gradient(ellipse at 70% 60%,rgba(0,212,255,0.08),transparent 50%);pointer-events:none}
.hero .container{position:relative;z-index:2}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(108,92,231,0.18);border:1px solid rgba(108,92,231,0.3);border-radius:100px;padding:6px 18px;font-size:0.85rem;color:var(--color-primary-light);margin-bottom:24px;backdrop-filter:blur(8px)}
.hero-badge i{color:var(--color-secondary);font-size:0.75rem}
.hero h1{font-size:clamp(2rem, 5.5vw, 3.8rem);margin-bottom:20px;background:linear-gradient(135deg,#fff 40%,var(--color-secondary) 100%);-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.hero p{font-size:clamp(1rem, 1.6vw, 1.2rem);color:var(--color-text-muted);max-width:640px;margin-bottom:36px;line-height:1.8}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px}
.hero-actions .btn{font-size:1rem;padding:14px 36px}
/* ===== 按钮 ===== */
.btn{display:inline-flex;align-items:center;gap:10px;padding:12px 28px;border-radius:100px;font-weight:600;font-size:0.95rem;cursor:pointer;transition:all var(--transition);border:none;line-height:1.2}
.btn-primary{background:linear-gradient(135deg,var(--color-primary),#5a4bd1);color:#fff;box-shadow:0 4px 20px rgba(108,92,231,0.35)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(108,92,231,0.45);color:#fff}
.btn-secondary{background:rgba(255,255,255,0.08);color:#fff;border:1px solid rgba(255,255,255,0.15);backdrop-filter:blur(8px)}
.btn-secondary:hover{background:rgba(255,255,255,0.14);transform:translateY(-2px);color:#fff}
.btn-accent{background:linear-gradient(135deg,var(--color-accent),#e05520);color:#fff;box-shadow:0 4px 20px rgba(255,107,53,0.3)}
.btn-accent:hover{transform:translateY(-2px);box-shadow:0 8px 32px rgba(255,107,53,0.4);color:#fff}
.btn-sm{padding:8px 20px;font-size:0.85rem}
/* ===== 板块通用 ===== */
.section{padding:80px 0;position:relative}
.section-alt{background:var(--color-bg-alt)}
.section-dark{background:var(--color-bg-sidebar)}
.section-header{text-align:center;margin-bottom:52px}
.section-header h2{margin-bottom:12px}
.section-header p{max-width:600px;margin:0 auto;color:var(--color-text-muted);font-size:1.05rem}
.section-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(108,92,231,0.12);border:1px solid rgba(108,92,231,0.2);border-radius:100px;padding:4px 16px;font-size:0.8rem;color:var(--color-primary-light);margin-bottom:16px}
/* ===== 卡片 ===== */
.card{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);overflow:hidden;transition:all var(--transition)}
.card:hover{transform:translateY(-4px);border-color:rgba(108,92,231,0.4);box-shadow:var(--shadow-glow)}
.card-img{width:100%;height:200px;object-fit:cover;display:block}
.card-body{padding:24px}
.card-body .card-tag{display:inline-block;background:rgba(108,92,231,0.15);color:var(--color-primary-light);padding:2px 12px;border-radius:100px;font-size:0.75rem;font-weight:600;margin-bottom:12px}
.card-body h3{font-size:1.15rem;margin-bottom:8px}
.card-body h3 a{color:#fff;transition:color var(--transition)}
.card-body h3 a:hover{color:var(--color-secondary)}
.card-body p{font-size:0.9rem;color:var(--color-text-muted);margin-bottom:14px}
.card-meta{display:flex;align-items:center;gap:16px;font-size:0.8rem;color:var(--color-text-dim);flex-wrap:wrap}
.card-meta i{margin-right:4px}
/* ===== 网格 ===== */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:28px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
/* ===== 分类卡片 (大) ===== */
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;background:var(--color-bg-card);border:1px solid var(--color-border);transition:all var(--transition);display:flex;flex-direction:column;min-height:320px}
.category-card:hover{transform:translateY(-6px);border-color:rgba(108,92,231,0.4);box-shadow:var(--shadow-glow)}
.category-card .cat-img{width:100%;height:200px;object-fit:cover}
.category-card .cat-body{padding:28px;flex:1;display:flex;flex-direction:column}
.category-card .cat-body h3{font-size:1.3rem;margin-bottom:8px}
.category-card .cat-body p{font-size:0.92rem;color:var(--color-text-muted);flex:1;margin-bottom:16px}
.category-card .cat-body .btn{align-self:flex-start}
/* ===== 数据统计 ===== */
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{text-align:center;padding:32px 16px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition)}
.stat-card:hover{border-color:rgba(108,92,231,0.35);transform:translateY(-3px);box-shadow:var(--shadow-glow)}
.stat-card .stat-icon{font-size:2.2rem;color:var(--color-secondary);margin-bottom:12px}
.stat-card .stat-number{font-size:2.4rem;font-weight:800;color:#fff;line-height:1.2;margin-bottom:4px;background:linear-gradient(135deg,var(--color-secondary),var(--color-primary));-webkit-background-clip:text;-webkit-text-fill-color:transparent;background-clip:text}
.stat-card .stat-label{font-size:0.9rem;color:var(--color-text-muted)}
/* ===== 流程步骤 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px;counter-reset:step}
.step-item{text-align:center;padding:32px 16px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);position:relative;transition:all var(--transition)}
.step-item:hover{border-color:rgba(108,92,231,0.35);transform:translateY(-3px)}
.step-item .step-number{width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,var(--color-primary),var(--color-secondary));display:flex;align-items:center;justify-content:center;font-size:1.2rem;font-weight:700;color:#fff;margin:0 auto 16px;position:relative;z-index:2}
.step-item h4{font-size:1.05rem;margin-bottom:8px;color:#fff}
.step-item p{font-size:0.85rem;color:var(--color-text-muted);margin:0}
.step-item::after{content:'';position:absolute;top:40px;left:calc(50% + 36px);width:calc(100% - 72px);height:2px;background:linear-gradient(90deg,var(--color-primary),transparent);opacity:0.25;pointer-events:none}
.step-item:last-child::after{display:none}
/* ===== 资讯列表 ===== */
.news-list{display:grid;grid-template-columns:1fr;gap:16px}
.news-item{display:flex;align-items:flex-start;gap:20px;padding:20px 24px;background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);transition:all var(--transition)}
.news-item:hover{border-color:rgba(108,92,231,0.3);transform:translateX(4px);box-shadow:var(--shadow-sm)}
.news-item .news-icon{flex-shrink:0;width:40px;height:40px;border-radius:var(--radius-sm);background:rgba(108,92,231,0.15);display:flex;align-items:center;justify-content:center;color:var(--color-primary-light);font-size:1.1rem}
.news-item .news-content{flex:1;min-width:0}
.news-item .news-content h4{font-size:1rem;margin-bottom:4px}
.news-item .news-content h4 a{color:#fff;transition:color var(--transition)}
.news-item .news-content h4 a:hover{color:var(--color-secondary)}
.news-item .news-content p{font-size:0.85rem;color:var(--color-text-muted);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.news-item .news-meta{flex-shrink:0;text-align:right;font-size:0.75rem;color:var(--color-text-dim);white-space:nowrap}
.news-item .news-meta .cat-badge{display:inline-block;background:rgba(108,92,231,0.15);color:var(--color-primary-light);padding:1px 10px;border-radius:100px;font-size:0.7rem;font-weight:600;margin-bottom:4px}
.news-empty{padding:40px 24px;text-align:center;background:var(--color-bg-card);border:1px dashed var(--color-border);border-radius:var(--radius-md);color:var(--color-text-dim);font-size:0.95rem}
/* ===== FAQ ===== */
.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.faq-item{background:var(--color-bg-card);border:1px solid var(--color-border);border-radius:var(--radius-md);padding:24px 28px;transition:all var(--transition)}
.faq-item:hover{border-color:rgba(108,92,231,0.25);box-shadow:var(--shadow-sm)}
.faq-item .faq-q{font-weight:600;color:#fff;font-size:1rem;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.faq-item .faq-q i{color:var(--color-secondary);font-size:0.9rem}
.faq-item .faq-a{font-size:0.9rem;color:var(--color-text-muted);line-height:1.7;margin:0}
/* ===== CTA ===== */
.cta-section{background:linear-gradient(135deg,rgba(108,92,231,0.12),rgba(0,212,255,0.08)),url('/assets/images/backpic/back-2.png') center center / cover no-repeat;border-radius:var(--radius-lg);padding:64px 48px;text-align:center;position:relative;overflow:hidden;border:1px solid rgba(108,92,231,0.15)}
.cta-section::before{content:'';position:absolute;top:0;left:0;right:0;bottom:0;background:rgba(10,10,26,0.65);backdrop-filter:blur(6px);pointer-events:none}
.cta-section *{position:relative;z-index:2}
.cta-section h2{font-size:clamp(1.5rem, 3vw, 2.2rem);margin-bottom:12px}
.cta-section p{font-size:1.05rem;color:var(--color-text-muted);max-width:560px;margin:0 auto 28px}
/* ===== 页脚 ===== */
.footer{background:var(--color-bg-sidebar);border-top:1px solid var(--color-border);padding:48px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:36px;margin-bottom:32px}
.footer-brand .brand-text{font-size:1.2rem;font-weight:700;color:#fff;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.footer-brand .brand-text i{color:var(--color-primary)}
.footer-brand p{font-size:0.85rem;color:var(--color-text-dim);max-width:320px;line-height:1.7}
.footer-col h4{font-size:0.95rem;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col a{display:block;font-size:0.85rem;color:var(--color-text-dim);padding:4px 0;transition:color var(--transition)}
.footer-col a:hover{color:var(--color-secondary)}
.footer-bottom{border-top:1px solid var(--color-border-light);padding-top:20px;display:flex;justify-content:space-between;align-items:center;flex-wrap:wrap;gap:12px;font-size:0.8rem;color:var(--color-text-dim)}
.footer-bottom a{color:var(--color-text-dim)}
.footer-bottom a:hover{color:var(--color-secondary)}
/* ===== 徽章 ===== */
.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 12px;border-radius:100px;font-size:0.7rem;font-weight:600;text-transform:uppercase;letter-spacing:0.04em}
.badge-primary{background:rgba(108,92,231,0.2);color:var(--color-primary-light)}
.badge-secondary{background:rgba(0,212,255,0.15);color:var(--color-secondary)}
.badge-accent{background:rgba(255,107,53,0.15);color:var(--color-accent)}
.badge-success{background:rgba(0,230,118,0.15);color:var(--color-success)}
/* ===== 分隔线 ===== */
.divider{width:60px;height:3px;background:linear-gradient(90deg,var(--color-primary),var(--color-secondary));border-radius:10px;margin:12px auto 0}
.divider-left{margin:12px 0 0}
/* ===== 响应式 ===== */
@media (max-width:1024px){
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step-item::after{display:none}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .faq-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
  .sidebar{transform:translateX(-100%);z-index:1000}
  .sidebar.open{transform:translateX(0)}
  .mobile-header{display:flex}
  .mobile-overlay.active{display:block}
  .main-content{margin-left:0;padding-top:var(--header-height)}
  .hero{padding:64px 0 60px;min-height:auto}
  .hero h1{font-size:clamp(1.6rem, 5vw, 2.2rem)}
  .hero p{font-size:0.95rem}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:1fr 1fr}
  .section{padding:52px 0}
  .cta-section{padding:40px 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .news-item{flex-direction:column;gap:12px}
  .news-item .news-meta{text-align:left}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-card{padding:24px 12px}
  .stat-card .stat-number{font-size:1.8rem}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .grid-4{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{justify-content:center}
  .sidebar-brand .brand-text{font-size:0.95rem}
  .mobile-header .brand-text{font-size:0.9rem}
  .cta-section{padding:32px 16px}
  .footer-grid{grid-template-columns:1fr}
  .section-header{margin-bottom:32px}
  .category-card{min-height:auto}
}
/* ===== 辅助 ===== */
.text-center{text-align:center}
.mt-12{margin-top:12px}
.mt-24{margin-top:24px}
.mb-16{margin-bottom:16px}
.gap-8{gap:8px}
.flex-center{display:flex;align-items:center;justify-content:center}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0a0e27;
            --color-primary-light: #141933;
            --color-secondary: #00d4ff;
            --color-secondary-dark: #00a6cc;
            --color-accent: #ff6b35;
            --color-accent-light: #ff8c5a;
            --color-bg: #080b1a;
            --color-surface: #11152f;
            --color-card: #161b3d;
            --color-text: #e8ecf1;
            --color-text-weak: #8892a8;
            --color-border: #2a2f52;
            --color-border-light: #3a3f62;
            --color-hover: #1a2050;
            --color-overlay: rgba(0, 212, 255, 0.08);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
            --shadow-glow: 0 0 20px rgba(0, 212, 255, 0.15);
            --font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Noto Sans SC', sans-serif;
            --sidebar-width: 230px;
            --header-height: 0px;
            --spacing-section: 72px;
            --spacing-block: 40px;
            --transition: 0.25s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-family);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.65;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            display: flex;
            min-height: 100vh;
        }
        a { color: var(--color-secondary); text-decoration: none; transition: color var(--transition); }
        a:hover, a:focus-visible { color: var(--color-accent); }
        a:focus-visible, button:focus-visible { outline: 2px solid var(--color-secondary); outline-offset: 3px; border-radius: 4px; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        ul { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        ::selection { background: var(--color-secondary); color: var(--color-primary); }

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            border-right: 1px solid var(--color-border);
            display: flex;
            flex-direction: column;
            z-index: 1000;
            padding: 20px 16px 16px;
            overflow-y: auto;
            transition: transform var(--transition);
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            padding-bottom: 28px;
            border-bottom: 1px solid var(--color-border);
            margin-bottom: 24px;
        }
        .sidebar-brand .brand-icon {
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-text {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
            letter-spacing: 0.5px;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            flex: 1;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition);
            position: relative;
        }
        .sidebar-nav a i { width: 20px; text-align: center; font-size: 17px; }
        .sidebar-nav a:hover {
            background: var(--color-overlay);
            color: var(--color-text);
        }
        .sidebar-nav a.active {
            background: linear-gradient(135deg, rgba(0,212,255,0.12), rgba(255,107,53,0.08));
            color: var(--color-secondary);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-secondary);
        }
        .sidebar-footer {
            margin-top: auto;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            font-size: 13px;
            color: var(--color-text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-footer i { color: var(--color-accent); }

        /* ===== 主内容区 ===== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            flex: 1;
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            width: calc(100% - var(--sidebar-width));
        }
        .main-content {
            flex: 1;
            padding: 0 0 var(--spacing-section);
        }

        /* ===== Hero / Banner ===== */
        .hero-banner {
            position: relative;
            padding: 80px 0 72px;
            background: var(--color-primary-light);
            overflow: hidden;
            border-bottom: 1px solid var(--color-border);
        }
        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .hero-banner .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .hero-banner h1 {
            font-size: 42px;
            font-weight: 800;
            background: linear-gradient(135deg, #fff, var(--color-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .hero-banner p {
            font-size: 19px;
            color: var(--color-text-weak);
            max-width: 660px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 12px;
        }
        .hero-tags .badge {
            padding: 8px 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border-light);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-weak);
            transition: all var(--transition);
        }
        .hero-tags .badge:hover {
            border-color: var(--color-secondary);
            color: var(--color-secondary);
            background: var(--color-overlay);
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
        }
        .section-header p {
            font-size: 17px;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
        }
        .section-header .subtitle {
            display: inline-block;
            padding: 4px 18px;
            background: var(--color-overlay);
            color: var(--color-secondary);
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 12px;
            border: 1px solid rgba(0,212,255,0.15);
        }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--color-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            transform: translateY(-4px);
            border-color: var(--color-secondary);
            box-shadow: var(--shadow-glow);
        }
        .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--color-primary-light);
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body .badge {
            display: inline-block;
            padding: 3px 14px;
            background: var(--color-overlay);
            color: var(--color-secondary);
            border-radius: 30px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 12px;
            border: 1px solid rgba(0,212,255,0.1);
        }
        .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--color-text);
        }
        .card-body p {
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .card-body .meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-weak);
        }
        .card-body .meta i { margin-right: 4px; }

        /* ===== 直播 / 赛事卡片 ===== */
        .live-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            transition: all var(--transition);
        }
        .live-card:hover {
            border-color: var(--color-accent);
            background: var(--color-hover);
        }
        .live-card .live-badge {
            background: #e53935;
            color: #fff;
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            animation: pulse-dot 1.8s infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }
        .live-card .info { flex: 1; }
        .live-card .info .title {
            font-weight: 700;
            font-size: 17px;
            margin-bottom: 4px;
        }
        .live-card .info .detail {
            font-size: 14px;
            color: var(--color-text-weak);
        }
        .live-card .score {
            font-size: 24px;
            font-weight: 800;
            color: var(--color-secondary);
            letter-spacing: 1px;
            flex-shrink: 0;
        }

        /* ===== 统计 / 数据区块 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .stat-card:hover {
            border-color: var(--color-secondary);
            transform: scale(1.02);
        }
        .stat-card .num {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .stat-card .label {
            font-size: 15px;
            color: var(--color-text-weak);
            margin-top: 8px;
        }

        /* ===== 图文区块 ===== */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-block .image-wrap img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            width: 100%;
        }
        .feature-block .text h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .feature-block .text p {
            font-size: 16px;
            color: var(--color-text-weak);
            line-height: 1.8;
            margin-bottom: 20px;
        }
        .feature-block .text .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .feature-block .text .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text);
        }
        .feature-block .text .feature-list li i {
            color: var(--color-secondary);
            margin-top: 3px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .faq-item {
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition);
            cursor: pointer;
        }
        .faq-item:hover { border-color: var(--color-secondary); }
        .faq-item .question {
            font-size: 17px;
            font-weight: 600;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .faq-item .question i {
            color: var(--color-secondary);
            transition: transform var(--transition);
        }
        .faq-item .answer {
            margin-top: 12px;
            font-size: 15px;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .answer { display: block; }
        .faq-item.active .question i { transform: rotate(180deg); }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-light), #0d1535);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 56px 40px;
            text-align: center;
            margin-top: 20px;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 18px;
            color: var(--color-text-weak);
            max-width: 520px;
            margin: 0 auto 28px;
        }
        .btn-group {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 60px;
            font-weight: 700;
            font-size: 16px;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            background: var(--color-secondary);
            color: var(--color-primary);
        }
        .btn:hover {
            background: var(--color-accent);
            color: var(--color-primary);
            transform: scale(1.03);
            box-shadow: 0 8px 30px rgba(255, 107, 53, 0.3);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--color-secondary);
            color: var(--color-secondary);
        }
        .btn-outline:hover {
            background: var(--color-secondary);
            color: var(--color-primary);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-primary);
            border-top: 1px solid var(--color-border);
            padding: 52px 0 28px;
            margin-top: auto;
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 32px;
            border-bottom: 1px solid var(--color-border);
        }
        .footer-brand .brand-text {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--color-text);
        }
        .footer-brand .brand-text i { color: var(--color-accent); margin-right: 6px; }
        .footer-brand p {
            font-size: 14px;
            color: var(--color-text-weak);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--color-text);
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--color-text-weak);
            margin-bottom: 10px;
            transition: color var(--transition);
        }
        .footer-col a:hover { color: var(--color-secondary); }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 13px;
            color: var(--color-text-weak);
            flex-wrap: wrap;
            gap: 12px;
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 600;
        }
        .badge-primary {
            background: var(--color-overlay);
            color: var(--color-secondary);
            border: 1px solid rgba(0,212,255,0.15);
        }
        .badge-secondary {
            background: rgba(255,107,53,0.1);
            color: var(--color-accent);
            border: 1px solid rgba(255,107,53,0.15);
        }

        /* ===== 移动端菜单按钮 ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1100;
            background: var(--color-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-sm);
            color: var(--color-text);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            cursor: pointer;
            transition: background var(--transition);
        }
        .mobile-toggle:hover { background: var(--color-hover); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .feature-block { grid-template-columns: 1fr; gap: 32px; }
            .feature-block .image-wrap { order: -1; }
            .footer .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .sidebar {
                transform: translateX(-100%);
            }
            .sidebar.open {
                transform: translateX(0);
            }
            .mobile-toggle { display: flex; }
            .main-wrapper {
                margin-left: 0;
                width: 100%;
            }
            .hero-banner h1 { font-size: 30px; }
            .hero-banner p { font-size: 16px; }
            .section-header h2 { font-size: 26px; }
            .card-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .stat-card .num { font-size: 32px; }
            .footer .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section { padding: 36px 20px; }
            .cta-section h2 { font-size: 24px; }
            .feature-block .text h3 { font-size: 22px; }
            .live-card { flex-wrap: wrap; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-banner { padding: 48px 0 40px; }
            .hero-banner h1 { font-size: 24px; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-card { padding: 20px 12px; }
            .section { padding: 48px 0; }
            .btn { padding: 12px 24px; font-size: 14px; }
            .hero-tags { gap: 8px; }
            .hero-tags .badge { padding: 6px 14px; font-size: 12px; }
        }

        /* ===== 辅助 ===== */
        .text-center { text-align: center; }
        .mt-2 { margin-top: 16px; }
        .mt-3 { margin-top: 24px; }
        .gap-2 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: category2 */
:root {
  --color-primary: #9147ff;
  --color-primary-dark: #7a2fe0;
  --color-primary-light: #b07cff;
  --color-secondary: #ff6b35;
  --color-accent: #ff3366;
  --color-bg: #0d0d1a;
  --color-bg-alt: #14142a;
  --color-bg-card: #1a1a35;
  --color-bg-elevated: #222244;
  --color-text: #f0f0ff;
  --color-text-muted: #9898c8;
  --color-text-dim: #6a6a9a;
  --color-border: #2a2a50;
  --color-success: #36d399;
  --color-warning: #fbbf24;
  --color-danger: #f87171;
  --radius-sm: 8px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(145,71,255,0.15);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --sidebar-width: 240px;
  --header-h: 0px;
  --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
}

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

html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-sans);
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.65;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}

a { color: var(--color-primary-light); text-decoration: none; transition: color var(--transition); }
a:hover { color: #fff; }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
button, input, textarea { font-family: inherit; font-size: 1rem; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: #fff; }
h1 { font-size: 2.5rem; }
h2 { font-size: 2rem; }
h3 { font-size: 1.35rem; }
h4 { font-size: 1.1rem; }

.container { width: 100%; max-width: 1280px; margin: 0 auto; padding: 0 24px; }
.page-wrapper { display: flex; min-height: 100vh; }

/* ===== 侧边导航 ===== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--color-bg-alt);
  border-right: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  position: fixed;
  top: 0; left: 0; bottom: 0;
  z-index: 1000;
  padding: 20px 0;
  transition: transform var(--transition);
}
.sidebar-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px 24px;
  border-bottom: 1px solid var(--color-border);
  margin-bottom: 16px;
}
.brand-icon {
  width: 44px; height: 44px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  border-radius: var(--radius-md);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.4rem; color: #fff;
  box-shadow: 0 0 20px rgba(145,71,255,0.25);
}
.brand-text { font-size: 1rem; font-weight: 800; line-height: 1.3; color: #fff; letter-spacing: 0.02em; }
.sidebar-nav { flex: 1; display: flex; flex-direction: column; gap: 4px; padding: 0 12px; }
.sidebar-nav a {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-sm);
  color: var(--color-text-muted);
  font-size: 0.95rem;
  font-weight: 500;
  transition: all var(--transition);
}
.sidebar-nav a i { width: 20px; text-align: center; font-size: 1.05rem; }
.sidebar-nav a:hover { background: var(--color-bg-card); color: #fff; }
.sidebar-nav a.active {
  background: linear-gradient(135deg, rgba(145,71,255,0.2), rgba(255,51,102,0.15));
  color: #fff;
  border: 1px solid rgba(145,71,255,0.25);
  box-shadow: var(--shadow-glow);
}
.sidebar-footer {
  padding: 16px 20px 8px;
  border-top: 1px solid var(--color-border);
  margin-top: 8px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
  display: flex; align-items: center; gap: 8px;
}
.sidebar-footer i { color: var(--color-primary-light); }

/* ===== 主内容区 ===== */
.main-content {
  margin-left: var(--sidebar-width);
  flex: 1;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

/* ===== 页面头部 ===== */
.page-header {
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, #0f0f24 100%);
  padding: 60px 0 50px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--color-border);
}
.page-header::before {
  content: '';
  position: absolute;
  top: -40%; right: -10%;
  width: 500px; height: 500px;
  background: radial-gradient(circle, rgba(145,71,255,0.08) 0%, transparent 70%);
  pointer-events: none;
}
.page-header::after {
  content: '';
  position: absolute;
  bottom: -20%; left: 5%;
  width: 300px; height: 300px;
  background: radial-gradient(circle, rgba(255,51,102,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.page-header .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.85rem;
  color: var(--color-text-dim);
  margin-bottom: 16px;
}
.breadcrumb a { color: var(--color-text-muted); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { color: var(--color-text-dim); }
.page-header h1 {
  font-size: 2.6rem;
  font-weight: 800;
  margin-bottom: 14px;
  background: linear-gradient(135deg, #fff 40%, var(--color-primary-light));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.page-header p {
  font-size: 1.1rem;
  color: var(--color-text-muted);
  max-width: 640px;
  line-height: 1.7;
}

/* ===== 分类过滤 ===== */
.filter-bar {
  background: var(--color-bg-alt);
  border-bottom: 1px solid var(--color-border);
  padding: 16px 0;
  position: sticky;
  top: 0;
  z-index: 100;
}
.filter-bar .container { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; }
.filter-label { font-size: 0.85rem; color: var(--color-text-dim); font-weight: 600; letter-spacing: 0.05em; }
.filter-tags { display: flex; flex-wrap: wrap; gap: 8px; }
.filter-tag {
  display: inline-flex;
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.82rem;
  font-weight: 500;
  background: var(--color-bg-card);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  cursor: pointer;
  transition: all var(--transition);
}
.filter-tag:hover { background: var(--color-bg-elevated); color: #fff; border-color: var(--color-primary); }
.filter-tag.active {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  border-color: transparent;
}

/* ===== 内容卡片网格 ===== */
.section-content { padding: 50px 0 60px; }
.card-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.content-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  transition: all var(--transition);
}
.content-card:hover {
  border-color: var(--color-primary);
  box-shadow: var(--shadow-glow);
  transform: translateY(-4px);
}
.content-card .card-thumb {
  position: relative;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  background: var(--color-bg-elevated);
}
.content-card .card-thumb img {
  width: 100%; height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}
.content-card:hover .card-thumb img { transform: scale(1.05); }
.content-card .card-badge {
  position: absolute;
  top: 12px; left: 12px;
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  letter-spacing: 0.04em;
}
.content-card .card-body { padding: 20px 22px 24px; }
.content-card .card-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.78rem;
  color: var(--color-text-dim);
  margin-bottom: 10px;
}
.content-card .card-meta i { margin-right: 4px; }
.content-card .card-title {
  font-size: 1.1rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 8px;
  line-height: 1.35;
  transition: color var(--transition);
}
.content-card:hover .card-title { color: var(--color-primary-light); }
.content-card .card-desc {
  font-size: 0.88rem;
  color: var(--color-text-muted);
  line-height: 1.6;
  margin-bottom: 14px;
}
.content-card .card-footer {
  display: flex; align-items: center; justify-content: space-between;
  padding-top: 14px;
  border-top: 1px solid var(--color-border);
}
.content-card .card-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.content-card .card-tag {
  font-size: 0.7rem;
  padding: 2px 10px;
  border-radius: 999px;
  background: var(--color-bg-elevated);
  color: var(--color-text-dim);
  border: 1px solid var(--color-border);
}
.content-card .card-read {
  font-size: 0.8rem;
  color: var(--color-primary-light);
  font-weight: 600;
  display: flex; align-items: center; gap: 6px;
}
.content-card .card-read i { font-size: 0.7rem; transition: transform var(--transition); }
.content-card:hover .card-read i { transform: translateX(4px); }

/* ===== 特色文章区 ===== */
.section-featured {
  background: var(--color-bg-alt);
  padding: 60px 0;
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.featured-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.featured-card {
  background: var(--color-bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  display: flex;
  flex-direction: column;
  transition: all var(--transition);
}
.featured-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.featured-card .feat-thumb {
  aspect-ratio: 21 / 9;
  overflow: hidden;
  background: var(--color-bg-elevated);
}
.featured-card .feat-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.featured-card:hover .feat-thumb img { transform: scale(1.04); }
.featured-card .feat-body { padding: 24px 26px 28px; flex: 1; display: flex; flex-direction: column; }
.featured-card .feat-badge {
  display: inline-block;
  background: linear-gradient(135deg, var(--color-secondary), var(--color-accent));
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 14px;
  border-radius: 999px;
  letter-spacing: 0.03em;
  margin-bottom: 12px;
  align-self: flex-start;
}
.featured-card .feat-title {
  font-size: 1.3rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 10px;
  line-height: 1.35;
}
.featured-card .feat-desc {
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.65;
  flex: 1;
  margin-bottom: 16px;
}
.featured-card .feat-meta {
  display: flex; align-items: center; gap: 18px;
  font-size: 0.8rem;
  color: var(--color-text-dim);
}
.featured-card .feat-meta i { margin-right: 4px; }

/* ===== 数据统计 ===== */
.section-stats {
  padding: 50px 0;
  background: var(--color-bg);
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}
.stat-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 28px 20px;
  text-align: center;
  transition: all var(--transition);
}
.stat-item:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); transform: translateY(-2px); }
.stat-icon {
  font-size: 2rem;
  margin-bottom: 12px;
  color: var(--color-primary-light);
}
.stat-number {
  font-size: 2rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.2;
}
.stat-number span { color: var(--color-primary-light); }
.stat-label {
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-top: 6px;
}

/* ===== 热门游戏 ===== */
.section-games {
  padding: 60px 0;
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  border-bottom: 1px solid var(--color-border);
}
.games-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 20px;
}
.game-card {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: 24px 20px;
  text-align: center;
  transition: all var(--transition);
  cursor: default;
}
.game-card:hover { border-color: var(--color-primary); box-shadow: var(--shadow-glow); transform: translateY(-3px); }
.game-card .game-icon {
  font-size: 2.6rem;
  margin-bottom: 12px;
  color: var(--color-primary-light);
}
.game-card .game-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 6px;
}
.game-card .game-desc {
  font-size: 0.82rem;
  color: var(--color-text-dim);
  line-height: 1.5;
}
.game-card .game-count {
  display: inline-block;
  margin-top: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--color-text-muted);
  background: var(--color-bg-elevated);
  padding: 4px 14px;
  border-radius: 999px;
  border: 1px solid var(--color-border);
}

/* ===== FAQ ===== */
.section-faq {
  padding: 60px 0;
  background: var(--color-bg);
}
.faq-grid {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--color-bg-card);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--color-primary); }
.faq-question {
  display: flex; align-items: center; justify-content: space-between;
  padding: 18px 22px;
  cursor: pointer;
  font-weight: 600;
  color: #fff;
  font-size: 1rem;
  transition: background var(--transition);
  user-select: none;
}
.faq-question:hover { background: var(--color-bg-elevated); }
.faq-question i { color: var(--color-primary-light); transition: transform var(--transition); }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  padding: 0 22px 18px;
  font-size: 0.92rem;
  color: var(--color-text-muted);
  line-height: 1.7;
  display: none;
}
.faq-item.open .faq-answer { display: block; }

/* ===== CTA ===== */
.section-cta {
  padding: 60px 0 70px;
  background: linear-gradient(135deg, var(--color-bg-alt) 0%, #0f0f24 100%);
  border-top: 1px solid var(--color-border);
}
.cta-box {
  background: linear-gradient(135deg, rgba(145,71,255,0.1), rgba(255,51,102,0.08));
  border: 1px solid rgba(145,71,255,0.2);
  border-radius: var(--radius-lg);
  padding: 50px 40px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  top: -50%; left: -20%;
  width: 600px; height: 600px;
  background: radial-gradient(circle, rgba(145,71,255,0.06) 0%, transparent 70%);
  pointer-events: none;
}
.cta-box h2 {
  font-size: 1.8rem;
  margin-bottom: 12px;
  position: relative;
  z-index: 1;
}
.cta-box p {
  font-size: 1rem;
  color: var(--color-text-muted);
  max-width: 520px;
  margin: 0 auto 24px;
  position: relative;
  z-index: 1;
}
.cta-box .btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; position: relative; z-index: 1; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: 0.95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
  color: #fff;
  box-shadow: 0 4px 20px rgba(145,71,255,0.3);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(145,71,255,0.4); color: #fff; }
.btn-outline {
  background: transparent;
  color: #fff;
  border: 1px solid var(--color-border);
}
.btn-outline:hover { border-color: var(--color-primary); background: rgba(145,71,255,0.1); color: #fff; }
.btn-sm { padding: 8px 18px; font-size: 0.82rem; }

/* ===== 页脚 ===== */
.footer {
  background: var(--color-bg-alt);
  border-top: 1px solid var(--color-border);
  padding: 50px 0 30px;
  margin-top: auto;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr 1fr;
  gap: 36px;
  padding-bottom: 32px;
  border-bottom: 1px solid var(--color-border);
}
.footer-brand .brand-text { font-size: 1.1rem; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.footer-brand .brand-text i { color: var(--color-primary-light); }
.footer-brand p { font-size: 0.88rem; color: var(--color-text-muted); line-height: 1.7; }
.footer-col h4 { font-size: 0.9rem; font-weight: 700; color: #fff; margin-bottom: 16px; letter-spacing: 0.04em; }
.footer-col a {
  display: block;
  font-size: 0.85rem;
  color: var(--color-text-muted);
  margin-bottom: 10px;
  transition: all var(--transition);
}
.footer-col a:hover { color: var(--color-primary-light); padding-left: 4px; }
.footer-bottom {
  display: flex; justify-content: space-between; align-items: center;
  padding-top: 24px;
  font-size: 0.82rem;
  color: var(--color-text-dim);
}
.footer-bottom i { color: var(--color-accent); }

.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 0.72rem; font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
}
.badge-primary { background: rgba(145,71,255,0.2); color: var(--color-primary-light); border: 1px solid rgba(145,71,255,0.25); }
.badge-secondary { background: rgba(255,107,53,0.15); color: var(--color-secondary); border: 1px solid rgba(255,107,53,0.2); }

/* 移动端菜单切换 */
.mobile-toggle { display: none; }
.sidebar-overlay { display: none; }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .card-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .games-grid { grid-template-columns: repeat(2, 1fr); }
  .featured-grid { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  :root { --sidebar-width: 0px; }
  .sidebar {
    transform: translateX(-100%);
    width: 280px;
  }
  .sidebar.open { transform: translateX(0); }
  .sidebar-overlay {
    display: none;
    position: fixed; inset: 0;
    background: rgba(0,0,0,0.6);
    z-index: 999;
  }
  .sidebar-overlay.show { display: block; }
  .mobile-toggle {
    display: flex;
    align-items: center; gap: 10px;
    padding: 12px 0;
    cursor: pointer;
    color: #fff;
    font-size: 1.1rem;
    background: var(--color-bg-alt);
    border-bottom: 1px solid var(--color-border);
    position: sticky; top: 0; z-index: 100;
  }
  .mobile-toggle .container { display: flex; align-items: center; gap: 12px; }
  .mobile-toggle .hamburger { font-size: 1.4rem; color: var(--color-primary-light); }
  .mobile-toggle .mob-brand { font-weight: 700; font-size: 1rem; color: #fff; }
  .main-content { margin-left: 0; }
  .page-header { padding: 40px 0 32px; }
  .page-header h1 { font-size: 1.8rem; }
  .page-header p { font-size: 0.95rem; }
  .card-grid { grid-template-columns: 1fr; gap: 20px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
  .games-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .stat-item { padding: 20px 16px; }
  .stat-number { font-size: 1.6rem; }
  .featured-card .feat-body { padding: 18px 20px 22px; }
  .featured-card .feat-title { font-size: 1.1rem; }
  .cta-box { padding: 36px 24px; }
  .cta-box h2 { font-size: 1.4rem; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
  .filter-bar .container { gap: 8px; }
  .filter-tag { font-size: 0.75rem; padding: 4px 14px; }
}

@media (max-width: 520px) {
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
  .games-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .page-header h1 { font-size: 1.5rem; }
  .section-content { padding: 32px 0 40px; }
  .section-featured { padding: 36px 0; }
  .section-stats { padding: 32px 0; }
  .section-games { padding: 36px 0; }
  .section-faq { padding: 36px 0; }
  .section-cta { padding: 36px 0 48px; }
  .cta-box { padding: 28px 18px; }
  .cta-box h2 { font-size: 1.2rem; }
}

@media (min-width: 769px) {
  .mobile-toggle { display: none !important; }
  .sidebar-overlay { display: none !important; }
}

/* 工具 */
.text-center { text-align: center; }
.mt-1 { margin-top: 8px; }
.mt-2 { margin-top: 16px; }
.mt-3 { margin-top: 24px; }
.mb-2 { margin-bottom: 16px; }
.mb-3 { margin-bottom: 24px; }
.section-title {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 8px;
  letter-spacing: -0.01em;
}
.section-subtitle {
  font-size: 0.95rem;
  color: var(--color-text-muted);
  margin-bottom: 32px;
  max-width: 560px;
}

/* roulang page: article */
/* ===== Design Variables ===== */
:root {
  --color-primary: #00d4ff;
  --color-primary-dark: #0099cc;
  --color-primary-light: #66e5ff;
  --color-accent: #ff2d95;
  --color-accent-dark: #cc0066;
  --color-accent-light: #ff77b8;
  --color-bg: #0a0a14;
  --color-bg-alt: #12121e;
  --color-bg-card: #1a1a2e;
  --color-bg-sidebar: #0d0d1a;
  --color-bg-hover: #24243a;
  --color-text: #e8e8f0;
  --color-text-muted: #8888aa;
  --color-text-dim: #5a5a7a;
  --color-border: #2a2a44;
  --color-border-light: #3a3a5a;
  --color-success: #00e676;
  --color-warning: #ffd740;
  --color-danger: #ff5252;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 20px rgba(0,212,255,0.15);
  --font-sans: 'Segoe UI','PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif;
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --sidebar-width: 240px;
}

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;scroll-behavior:smooth;-webkit-font-smoothing:antialiased}
body{font-family:var(--font-sans);background:var(--color-bg);color:var(--color-text);line-height:1.7;min-height:100vh;display:flex}
a{color:var(--color-primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--color-primary-light)}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-md)}
ul,ol{list-style:none}
button,input,textarea{font-family:inherit;font-size:inherit}
::selection{background:var(--color-primary);color:#000}

/* ===== Scrollbar ===== */
::-webkit-scrollbar{width:6px}
::-webkit-scrollbar-track{background:var(--color-bg)}
::-webkit-scrollbar-thumb{background:var(--color-border);border-radius:3px}
::-webkit-scrollbar-thumb:hover{background:var(--color-border-light)}

/* ===== Layout ===== */
.wrapper{display:flex;width:100%;min-height:100vh}

/* ===== Sidebar ===== */
.sidebar{
  position:fixed;top:0;left:0;width:var(--sidebar-width);height:100vh;
  background:var(--color-bg-sidebar);border-right:1px solid var(--color-border);
  display:flex;flex-direction:column;z-index:1000;
  transition:var(--transition);overflow-y:auto;
}
.sidebar-brand{
  padding:28px 20px 20px;border-bottom:1px solid var(--color-border);
  display:flex;align-items:center;gap:14px;
}
.brand-icon{
  width:42px;height:42px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  display:flex;align-items:center;justify-content:center;
  font-size:20px;color:#fff;box-shadow:0 0 20px rgba(0,212,255,0.25);
  flex-shrink:0;
}
.brand-text{font-size:15px;font-weight:700;line-height:1.3;color:var(--color-text);letter-spacing:0.5px}
.sidebar-nav{
  flex:1;padding:16px 12px;display:flex;flex-direction:column;gap:4px;
}
.sidebar-nav a{
  display:flex;align-items:center;gap:14px;padding:12px 16px;
  border-radius:var(--radius-md);color:var(--color-text-muted);
  font-size:15px;font-weight:500;transition:var(--transition);
  border:1px solid transparent;
}
.sidebar-nav a i{width:20px;text-align:center;font-size:16px}
.sidebar-nav a:hover{
  background:var(--color-bg-hover);color:var(--color-text);border-color:var(--color-border-light);
  transform:translateX(4px);
}
.sidebar-nav a.active{
  background:rgba(0,212,255,0.1);color:var(--color-primary);border-color:rgba(0,212,255,0.2);
  box-shadow:0 0 20px rgba(0,212,255,0.05);
}
.sidebar-footer{
  padding:18px 20px;border-top:1px solid var(--color-border);
  font-size:13px;color:var(--color-text-dim);display:flex;align-items:center;gap:10px;
  letter-spacing:0.3px;
}
.sidebar-footer i{color:var(--color-accent);font-size:14px}

/* ===== Main Content ===== */
.main-content{
  margin-left:var(--sidebar-width);flex:1;min-height:100vh;
  display:flex;flex-direction:column;
}

/* ===== Container ===== */
.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ===== Article Hero ===== */
.article-hero{
  position:relative;padding:80px 0 60px;
  background:linear-gradient(135deg,#0d0d1a 0%,#1a0a2e 50%,#0d1a2e 100%);
  border-bottom:1px solid var(--color-border);
  overflow:hidden;
}
.article-hero::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:0.08;z-index:0;
}
.article-hero::after{
  content:'';position:absolute;top:-50%;right:-20%;width:500px;height:500px;
  background:radial-gradient(circle,rgba(0,212,255,0.06),transparent 70%);
  z-index:0;
}
.article-hero .container{position:relative;z-index:1}
.breadcrumb{
  display:flex;align-items:center;gap:10px;font-size:13px;
  color:var(--color-text-dim);margin-bottom:24px;flex-wrap:wrap;
}
.breadcrumb a{color:var(--color-text-muted)}
.breadcrumb a:hover{color:var(--color-primary)}
.breadcrumb .sep{color:var(--color-text-dim);font-size:10px}
.breadcrumb .current{color:var(--color-primary)}
.article-hero .category-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 16px;border-radius:20px;
  background:rgba(0,212,255,0.12);color:var(--color-primary);
  font-size:13px;font-weight:600;margin-bottom:18px;
  border:1px solid rgba(0,212,255,0.2);
}
.article-hero h1{
  font-size:36px;font-weight:800;line-height:1.25;
  color:var(--color-text);margin-bottom:20px;
  background:linear-gradient(135deg,#fff 30%,var(--color-primary-light));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:20px;align-items:center;
  font-size:14px;color:var(--color-text-muted);
}
.article-meta .meta-item{display:flex;align-items:center;gap:8px}
.article-meta .meta-item i{font-size:14px;color:var(--color-accent)}

/* ===== Article Body ===== */
.article-body-section{
  padding:60px 0 40px;flex:1;
}
.article-body{
  max-width:860px;margin:0 auto;
}
.article-body .featured-image{
  border-radius:var(--radius-lg);overflow:hidden;margin-bottom:40px;
  box-shadow:var(--shadow-md);border:1px solid var(--color-border);
}
.article-body .featured-image img{width:100%;height:auto;display:block}
.article-content{
  font-size:17px;line-height:1.9;color:var(--color-text);
}
.article-content p{margin-bottom:22px}
.article-content h2{
  font-size:26px;font-weight:700;margin:40px 0 18px;
  color:var(--color-primary);border-left:4px solid var(--color-accent);
  padding-left:16px;
}
.article-content h3{
  font-size:20px;font-weight:600;margin:32px 0 14px;
  color:var(--color-text);
}
.article-content blockquote{
  border-left:4px solid var(--color-accent);padding:16px 24px;
  margin:24px 0;background:var(--color-bg-card);border-radius:0 var(--radius-md) var(--radius-md) 0;
  color:var(--color-text-muted);font-style:italic;
}
.article-content ul,.article-content ol{padding-left:24px;margin-bottom:22px}
.article-content ul li{list-style:disc;margin-bottom:8px;color:var(--color-text)}
.article-content ol li{list-style:decimal;margin-bottom:8px;color:var(--color-text)}
.article-content a{color:var(--color-primary);border-bottom:1px solid transparent}
.article-content a:hover{border-bottom-color:var(--color-primary)}
.article-content img{border-radius:var(--radius-md);margin:32px 0;box-shadow:var(--shadow-md)}
.article-content .highlight-box{
  background:var(--color-bg-card);border-radius:var(--radius-md);
  padding:24px 28px;margin:24px 0;border:1px solid var(--color-border);
  border-left:4px solid var(--color-accent);
}

/* ===== Article Tags ===== */
.article-tags{
  margin-top:40px;padding-top:32px;
  border-top:1px solid var(--color-border);
  display:flex;flex-wrap:wrap;align-items:center;gap:12px;
}
.article-tags .label{font-size:14px;color:var(--color-text-muted);font-weight:600}
.article-tags .tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:20px;
  background:var(--color-bg-card);color:var(--color-text-muted);
  font-size:13px;border:1px solid var(--color-border);
  transition:var(--transition);
}
.article-tags .tag:hover{
  background:rgba(0,212,255,0.1);color:var(--color-primary);
  border-color:rgba(0,212,255,0.3);
}

/* ===== Not Found ===== */
.not-found{
  text-align:center;padding:80px 20px;max-width:600px;margin:0 auto;
}
.not-found .icon{font-size:64px;color:var(--color-text-dim);margin-bottom:24px}
.not-found h2{font-size:28px;font-weight:700;margin-bottom:16px;color:var(--color-text)}
.not-found p{color:var(--color-text-muted);font-size:16px;margin-bottom:32px}
.not-found .btn-back{
  display:inline-flex;align-items:center;gap:10px;
  padding:14px 32px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
  color:#000;font-weight:600;font-size:16px;transition:var(--transition);
}
.not-found .btn-back:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(0,212,255,0.3);color:#000}

/* ===== Related Section ===== */
.related-section{
  padding:60px 0;background:var(--color-bg-alt);
  border-top:1px solid var(--color-border);
}
.related-section .section-title{
  font-size:28px;font-weight:700;margin-bottom:40px;text-align:center;
  background:linear-gradient(135deg,var(--color-primary),var(--color-accent));
  -webkit-background-clip:text;-webkit-text-fill-color:transparent;
  background-clip:text;
}
.related-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.related-card{
  background:var(--color-bg-card);border-radius:var(--radius-lg);
  overflow:hidden;border:1px solid var(--color-border);
  transition:var(--transition);display:flex;flex-direction:column;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:var(--color-border-light)}
.related-card .card-img{height:180px;overflow:hidden;position:relative}
.related-card .card-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.related-card:hover .card-img img{transform:scale(1.05)}
.related-card .card-img .card-cat{
  position:absolute;top:12px;left:12px;
  padding:4px 12px;border-radius:var(--radius-sm);
  background:rgba(0,0,0,0.7);color:var(--color-primary);font-size:12px;font-weight:600;
  backdrop-filter:blur(4px);
}
.related-card .card-body{padding:20px;flex:1;display:flex;flex-direction:column}
.related-card .card-body h3{font-size:16px;font-weight:600;margin-bottom:10px;line-height:1.4}
.related-card .card-body h3 a{color:var(--color-text)}
.related-card .card-body h3 a:hover{color:var(--color-primary)}
.related-card .card-body p{font-size:14px;color:var(--color-text-muted);flex:1;margin-bottom:14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related-card .card-meta{font-size:12px;color:var(--color-text-dim);display:flex;align-items:center;gap:14px;padding-top:12px;border-top:1px solid var(--color-border)}

/* ===== CTA Section ===== */
.cta-section{
  padding:70px 0;text-align:center;
  background:linear-gradient(135deg,#0d0d1a,#1a0a2e);
  border-top:1px solid var(--color-border);
  position:relative;overflow:hidden;
}
.cta-section::before{
  content:'';position:absolute;top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:0.05;z-index:0;
}
.cta-section .container{position:relative;z-index:1}
.cta-section h2{font-size:32px;font-weight:700;margin-bottom:16px;color:var(--color-text)}
.cta-section p{font-size:18px;color:var(--color-text-muted);max-width:600px;margin:0 auto 32px}
.cta-buttons{display:flex;gap:16px;justify-content:center;flex-wrap:wrap}
.btn-cta-primary{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 36px;border-radius:var(--radius-md);
  background:linear-gradient(135deg,var(--color-primary),var(--color-primary-dark));
  color:#000;font-weight:700;font-size:16px;transition:var(--transition);
  border:none;cursor:pointer;
}
.btn-cta-primary:hover{transform:translateY(-3px);box-shadow:0 12px 32px rgba(0,212,255,0.3);color:#000}
.btn-cta-secondary{
  display:inline-flex;align-items:center;gap:10px;
  padding:16px 36px;border-radius:var(--radius-md);
  border:2px solid var(--color-border-light);color:var(--color-text);
  font-weight:600;font-size:16px;transition:var(--transition);
  background:transparent;cursor:pointer;
}
.btn-cta-secondary:hover{transform:translateY(-3px);border-color:var(--color-primary);color:var(--color-primary);background:rgba(0,212,255,0.05)}

/* ===== Footer ===== */
.footer{
  background:var(--color-bg-sidebar);border-top:1px solid var(--color-border);
  padding:60px 0 30px;margin-top:auto;
}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid var(--color-border);
}
.footer-brand .brand-text{font-size:20px;font-weight:700;margin-bottom:16px;color:var(--color-text);display:flex;align-items:center;gap:10px}
.footer-brand .brand-text i{color:var(--color-primary)}
.footer-brand p{font-size:14px;color:var(--color-text-muted);line-height:1.8;max-width:360px}
.footer-col h4{font-size:16px;font-weight:600;margin-bottom:18px;color:var(--color-text);position:relative;padding-left:14px}
.footer-col h4::before{content:'';position:absolute;left:0;top:6px;width:4px;height:16px;background:var(--color-accent);border-radius:2px}
.footer-col a{display:block;padding:5px 0;font-size:14px;color:var(--color-text-muted);transition:var(--transition)}
.footer-col a:hover{color:var(--color-primary);padding-left:6px}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;
  padding-top:28px;font-size:13px;color:var(--color-text-dim);flex-wrap:wrap;gap:12px;
}

/* ===== Badges ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--radius-sm);font-size:12px;font-weight:600;
}
.badge-primary{background:rgba(0,212,255,0.12);color:var(--color-primary);border:1px solid rgba(0,212,255,0.2)}
.badge-secondary{background:rgba(255,45,149,0.12);color:var(--color-accent);border:1px solid rgba(255,45,149,0.2)}

/* ===== Page Nav ===== */
.page-nav{
  display:flex;justify-content:space-between;align-items:center;
  margin-top:48px;padding-top:32px;border-top:1px solid var(--color-border);
  gap:16px;flex-wrap:wrap;
}
.page-nav .nav-link{
  display:flex;align-items:center;gap:10px;
  padding:10px 20px;border-radius:var(--radius-md);
  background:var(--color-bg-card);color:var(--color-text-muted);
  font-size:14px;border:1px solid var(--color-border);
  transition:var(--transition);
}
.page-nav .nav-link:hover{color:var(--color-primary);border-color:var(--color-primary);background:rgba(0,212,255,0.05)}

/* ===== Mobile Toggle ===== */
.mobile-toggle{display:none;position:fixed;top:16px;right:16px;z-index:1100;width:44px;height:44px;border-radius:var(--radius-md);background:var(--color-bg-card);border:1px solid var(--color-border);color:var(--color-text);font-size:20px;cursor:pointer;align-items:center;justify-content:center;transition:var(--transition)}
.mobile-toggle:hover{background:var(--color-bg-hover);border-color:var(--color-border-light)}
.overlay{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.6);z-index:999;backdrop-filter:blur(4px)}

/* ===== Responsive ===== */
@media(max-width:1024px){
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media(max-width:768px){
  .sidebar{transform:translateX(-100%)}
  .sidebar.open{transform:translateX(0)}
  .main-content{margin-left:0}
  .mobile-toggle{display:flex}
  .overlay.show{display:block}
  .container{padding:0 20px}
  .article-hero{padding:40px 0 32px}
  .article-hero h1{font-size:24px}
  .article-content{font-size:16px}
  .article-content h2{font-size:22px}
  .related-grid{grid-template-columns:1fr;gap:16px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;text-align:center}
  .cta-section h2{font-size:24px}
  .cta-section p{font-size:16px}
  .article-meta{gap:12px;font-size:13px}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .article-hero h1{font-size:20px}
  .breadcrumb{font-size:12px}
  .article-content{font-size:15px}
  .cta-buttons{flex-direction:column;align-items:center}
  .btn-cta-primary,.btn-cta-secondary{width:100%;justify-content:center}
  .page-nav{flex-direction:column;align-items:stretch}
  .page-nav .nav-link{justify-content:center}
}