/* roulang page: index */
:root{
  --primary:#e50914;
  --primary-2:#b8070f;
  --secondary:#ffb800;
  --accent:#22d3ee;
  --bg-dark:#0a0e17;
  --bg-mid:#111827;
  --bg-card:#ffffff;
  --bg-soft:#f5f7fa;
  --bg-deep:#060a12;
  --text:#111827;
  --text-weak:#6b7280;
  --text-on-dark:#f1f5f9;
  --muted-on-dark:#94a3b8;
  --border:#e8ebf0;
  --border-dark:rgba(255,255,255,.08);
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:10px;
  --shadow-sm:0 2px 8px rgba(0,0,0,.06);
  --shadow-md:0 8px 30px rgba(0,0,0,.08);
  --shadow-lg:0 20px 40px rgba(0,0,0,.12);
  --transition:.25s ease;
  --font-main:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:var(--font-main);font-size:16px;line-height:1.7;color:var(--text);background:#fff;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s}
button,input,select,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:84px 0}
.section-dark{background:var(--bg-mid);color:var(--text-on-dark)}
.section-soft{background:var(--bg-soft)}
.section-head{text-align:center;max-width:760px;margin:0 auto 50px}
.section-head .kicker{display:inline-flex;align-items:center;gap:8px;color:var(--primary);font-size:13px;font-weight:800;letter-spacing:3px;text-transform:uppercase}
.section-head h2{font-size:38px;font-weight:900;margin:12px 0 12px;letter-spacing:1px}
.section-head p{color:var(--text-weak);font-size:16px;margin:0}
.section-head.light p{color:var(--muted-on-dark)}
.btn{display:inline-flex;align-items:center;gap:8px;font-weight:600;border-radius:12px;padding:13px 32px;font-size:15px;transition:all .25s;border:none;cursor:pointer;line-height:1.4}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(229,9,20,.25)}
.btn-primary:hover{background:var(--primary-2);transform:translateY(-2px);box-shadow:0 12px 30px rgba(229,9,20,.35)}
.btn-outline{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.35)}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.08);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary);box-shadow:0 8px 20px rgba(0,0,0,.08)}
.btn-light:hover{background:var(--bg-soft);transform:translateY(-2px)}
.btn-sm{padding:9px 22px;font-size:14px;border-radius:10px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:30px;font-size:12px;font-weight:700;background:var(--bg-soft);color:var(--text)}
.badge-red{background:rgba(229,9,20,.1);color:var(--primary)}
.badge-gold{background:rgba(255,184,0,.12);color:#b45309}
.badge-live{background:rgba(229,9,20,.16);color:var(--primary)}
.badge-live .pulse{width:6px;height:6px;background:var(--primary);border-radius:50%;animation:pulse 1.4s infinite}
@keyframes pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.4;transform:scale(1.5)}}
.site-header{position:fixed;top:0;left:0;right:0;z-index:1000;background:rgba(6,10,18,.88);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border-dark);transition:background .3s}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:20px}
.brand-logo{display:flex;align-items:center;gap:10px;font-size:22px;font-weight:800;color:#fff;letter-spacing:.5px;white-space:nowrap;text-decoration:none}
.brand-logo .logo-dot{width:10px;height:10px;border-radius:50%;background:var(--secondary);box-shadow:0 0 14px var(--secondary);flex-shrink:0}
.main-nav{display:flex;align-items:center;gap:6px}
.nav-link{padding:8px 16px;font-size:15px;font-weight:500;color:var(--muted-on-dark);border-radius:8px;transition:all .25s;text-decoration:none;position:relative}
.nav-link:hover{color:#fff;background:rgba(255,255,255,.06)}
.nav-link.active{color:#fff;background:var(--primary);box-shadow:0 4px 14px rgba(229,9,20,.3)}
.header-actions{display:flex;align-items:center;gap:14px}
.nav-toggle{display:none;background:none;border:none;color:#fff;font-size:22px;cursor:pointer;padding:6px}
.hero{position:relative;padding:170px 0 120px;background-size:cover;background-position:center;color:#fff;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(105deg,rgba(6,10,18,.96) 18%,rgba(6,10,18,.78) 55%,rgba(229,9,20,.38) 100%)}
.hero-content{position:relative;z-index:1;display:flex;align-items:center;gap:60px}
.hero-left{flex:0 0 55%}
.hero-tag{display:inline-flex;align-items:center;gap:8px;background:rgba(255,184,0,.14);border:1px solid rgba(255,184,0,.35);color:var(--secondary);padding:7px 18px;border-radius:30px;font-size:13px;font-weight:700}
.hero h1{font-size:50px;font-weight:900;margin:22px 0 18px;line-height:1.15;letter-spacing:1px}
.hero h1 .highlight{color:var(--secondary)}
.hero .lead{font-size:18px;color:var(--muted-on-dark);max-width:550px;margin:0;line-height:1.75}
.hero-actions{display:flex;gap:16px;margin-top:34px;flex-wrap:wrap}
.hero-stats{flex:0 0 38%;display:grid;grid-template-columns:1fr 1fr;gap:16px}
.stat-card{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius-md);padding:22px 16px;text-align:center;backdrop-filter:blur(6px)}
.stat-card .num{font-size:34px;font-weight:900;color:var(--secondary);line-height:1.2;letter-spacing:1px}
.stat-card .label{font-size:13px;color:var(--muted-on-dark);margin-top:4px}
.stat-card .s-icon{font-size:20px;color:var(--accent);margin-bottom:6px}
.hero-live{grid-column:span 2;background:rgba(229,9,20,.16);border-color:rgba(229,9,20,.4)}
.hero-live .num{color:#fff;font-size:18px;font-weight:700}
.hero-live .label{color:var(--muted-on-dark)}
.stats-bar{background:var(--bg-mid);border-top:1px solid var(--border-dark);padding:26px 0}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.stats-item{display:flex;align-items:center;gap:14px;color:#fff}
.stats-item .s-icon{width:44px;height:44px;border-radius:10px;background:rgba(255,184,0,.12);color:var(--secondary);display:flex;align-items:center;justify-content:center;font-size:19px;flex-shrink:0}
.stats-item .s-num{font-size:22px;font-weight:800;line-height:1.2}
.stats-item .s-label{font-size:13px;color:var(--muted-on-dark)}
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:40px;align-items:center}
.feature-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-lg)}
.feature-media img{width:100%;height:auto;object-fit:cover}
.feature-media::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(6,10,18,.25),transparent 40%)}
.feature-content h2{font-size:36px;font-weight:900;line-height:1.2;margin-bottom:18px}
.feature-content p{color:var(--text-weak);font-size:16px;line-height:1.8;margin-bottom:16px}
.feature-list{list-style:none;padding:0;margin:24px 0 0}
.feature-list li{display:flex;align-items:flex-start;gap:12px;padding:10px 0;font-size:15px;color:var(--text)}
.feature-list li i{color:var(--primary);margin-top:5px;font-size:14px}
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.cat-card{background:#fff;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:all .3s;display:flex;flex-direction:column}
.cat-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md);border-color:rgba(229,9,20,.2)}
.cat-card .cat-img{position:relative;height:170px;overflow:hidden;flex-shrink:0}
.cat-card .cat-img img{width:100%;height:100%;object-fit:cover}
.cat-card .cat-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top,rgba(6,10,18,.5),transparent 55%)}
.cat-card .cat-tag{position:absolute;left:16px;bottom:14px;z-index:1}
.cat-card .cat-body{padding:26px 26px 24px;display:flex;flex-direction:column;flex:1}
.cat-card .cat-body h3{font-size:21px;margin-bottom:10px;font-weight:800}
.cat-card .cat-body p{font-size:14px;color:var(--text-weak);line-height:1.7;flex:1;margin:0 0 16px}
.cat-card .cat-link{display:inline-flex;align-items:center;gap:6px;font-weight:700;color:var(--primary);font-size:14px}
.cat-card .cat-link:hover{gap:10px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.news-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:26px;transition:all .3s;display:flex;flex-direction:column}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(229,9,20,.2)}
.news-card .news-meta{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.news-card .news-meta time{font-size:13px;color:var(--text-weak)}
.news-card h3{font-size:18px;line-height:1.45;margin-bottom:12px;font-weight:800}
.news-card h3 a{transition:color .2s}
.news-card h3 a:hover{color:var(--primary)}
.news-card p{font-size:14px;color:var(--text-weak);line-height:1.7;flex:1;margin:0}
.news-card .link{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:700;font-size:14px;margin-top:18px}
.news-card .link:hover{gap:10px}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-item{position:relative;background:#fff;border-radius:var(--radius-lg);padding:30px 24px;box-shadow:var(--shadow-sm);border:1px solid var(--border);border-top:3px solid var(--primary);transition:all .3s}
.step-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-md)}
.step-item .step-num{font-size:36px;font-weight:900;color:var(--primary);opacity:.2;line-height:1;margin-bottom:16px}
.step-item h3{font-size:18px;margin-bottom:8px;font-weight:800}
.step-item p{font-size:14px;color:var(--text-weak);line-height:1.65;margin:0}
.data-section{background:var(--bg-dark);color:#fff;position:relative;overflow:hidden}
.data-section::before{content:"";position:absolute;top:-60%;right:-20%;width:500px;height:500px;border-radius:50%;background:rgba(229,9,20,.12);filter:blur(80px)}
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:30px;position:relative;z-index:1}
.data-item{text-align:center;padding:30px 16px;background:rgba(255,255,255,.04);border:1px solid var(--border-dark);border-radius:var(--radius-lg)}
.data-item .d-num{font-size:44px;font-weight:900;color:var(--secondary);line-height:1.2}
.data-item .d-label{font-size:15px;color:var(--muted-on-dark);margin-top:8px}
.data-item .d-icon{font-size:22px;color:var(--accent);margin-bottom:10px}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:16px;overflow:hidden;transition:box-shadow .25s}
.faq-item summary{cursor:pointer;list-style:none;padding:22px 26px;font-weight:700;display:flex;align-items:center;justify-content:space-between;font-size:16px}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;color:var(--text-weak);transition:transform .25s}
.faq-item[open] summary::after{transform:rotate(180deg)}
.faq-item[open]{box-shadow:var(--shadow-sm);border-color:rgba(229,9,20,.18)}
.faq-item .faq-body{padding:0 26px 24px;color:var(--text-weak);font-size:15px;line-height:1.7}
.cta-section{position:relative;padding:100px 0;background-image:url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center;color:#fff}
.cta-section .overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,10,18,.92),rgba(229,9,20,.25))}
.cta-content{position:relative;z-index:1;text-align:center;max-width:720px;margin:0 auto}
.cta-content h2{font-size:38px;font-weight:900;line-height:1.3;margin-bottom:14px}
.cta-content p{color:var(--muted-on-dark);font-size:17px;margin-bottom:34px}
.site-footer{background:var(--bg-deep);color:var(--muted-on-dark);padding:70px 0 28px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;margin-bottom:46px}
.footer-brand{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px}
.footer-brand .logo-dot{width:10px;height:10px;border-radius:50%;background:var(--secondary)}
.footer-desc{font-size:14px;line-height:1.8;margin-top:14px;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700}
.footer-col a{display:block;font-size:14px;padding:6px 0;color:var(--muted-on-dark);transition:color .2s}
.footer-col a:hover{color:var(--secondary)}
.footer-bottom{border-top:1px solid var(--border-dark);padding-top:24px;display:flex;align-items:center;justify-content:space-between;font-size:13px;gap:16px;flex-wrap:wrap}
.footer-bottom a{color:var(--muted-on-dark)}
.footer-bottom a:hover{color:var(--secondary)}
.blog-breadcrumb{background:var(--bg-soft);padding:100px 0 30px;border-bottom:1px solid var(--border)}
.breadcrumb-inner{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-weak);flex-wrap:wrap}
.breadcrumb-inner a:hover{color:var(--primary)}
.breadcrumb-inner .sep{color:var(--border)}
.article-wrap{padding:56px 0 80px}
.article-main{max-width:860px;margin:0 auto}
.article-title{font-size:38px;font-weight:900;line-height:1.3;margin:0 0 10px}
.article-meta{display:flex;align-items:center;gap:18px;flex-wrap:wrap;color:var(--text-weak);font-size:14px;margin:0 0 28px}
.article-content{font-size:16px;line-height:1.9;color:var(--text)}
.article-content p{margin-bottom:1.2em}
.page-hero{position:relative;padding:170px 0 90px;background-size:cover;background-position:center;color:#fff}
.page-hero .hero-overlay{background:linear-gradient(105deg,rgba(6,10,18,.94) 30%,rgba(229,9,20,.35))}
.page-hero .page-title{font-size:40px;font-weight:900;margin:0 0 14px}
.page-hero .page-desc{font-size:17px;color:var(--muted-on-dark);max-width:640px;margin:0}
.page-hero .page-badge{margin-bottom:16px}
.two-col-grid{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center}
.list-card{display:flex;gap:18px;padding:20px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);transition:all .25s}
.list-card:hover{box-shadow:var(--shadow-md);transform:translateY(-3px)}
.list-card .lc-icon{width:48px;height:48px;flex-shrink:0;border-radius:12px;background:rgba(229,9,20,.08);color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:18px}
.list-card h4{font-size:16px;margin:0 0 6px;font-weight:700}
.list-card p{font-size:14px;color:var(--text-weak);margin:0;line-height:1.6}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.text-center{text-align:center}
.mt-16{margin-top:16px}
.mt-24{margin-top:24px}
.mb-16{margin-bottom:16px}
.mb-24{margin-bottom:24px}
.mb-40{margin-bottom:40px}
.card-img{border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow-sm)}
.card-img img{width:100%;object-fit:cover}
@media(max-width:1024px){
  .hero{padding:150px 0 90px}
  .hero h1{font-size:38px}
  .hero-content{gap:32px}
  .hero-left,.hero-stats{flex:0 0 48%}
  .cat-grid,.news-grid{grid-template-columns:repeat(2,1fr)}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid,.data-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .feature-grid{grid-template-columns:1fr;gap:30px}
  .two-col-grid{grid-template-columns:1fr;gap:34px}
}
@media(max-width:768px){
  .section{padding:64px 0}
  .site-header{padding:0}
  .main-nav{position:fixed;top:72px;left:0;right:0;background:rgba(6,10,18,.97);flex-direction:column;padding:20px 24px;align-items:stretch;gap:8px;display:none;border-bottom:1px solid var(--border-dark);max-height:calc(100vh - 72px);overflow-y:auto}
  .main-nav.open{display:flex}
  .nav-toggle{display:block}
  .hero{padding:130px 0 70px}
  .hero-content{flex-direction:column;gap:40px}
  .hero-left{flex:1 1 auto}
  .hero-stats{flex:1 1 auto;width:100%}
  .hero h1{font-size:32px}
  .hero .lead{font-size:16px}
  .cat-grid,.news-grid,.stats-grid,.data-grid,.grid-3{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr 1fr}
  .section-head h2{font-size:28px}
  .article-title{font-size:28px}
  .page-hero{padding:135px 0 70px}
  .page-hero .page-title{font-size:30px}
  .footer-grid{grid-template-columns:1fr}
  .cta-content h2{font-size:28px}
}
@media(max-width:520px){
  .container{padding:0 18px}
  .brand-logo{font-size:18px}
  .hero h1{font-size:26px}
  .hero-actions .btn{width:100%;justify-content:center}
  .steps-grid{grid-template-columns:1fr}
  .stats-item{flex-direction:column;align-items:flex-start;gap:8px}
  .stat-card .num{font-size:28px}
  .footer-bottom{flex-direction:column;text-align:center;justify-content:center}
}

/* roulang page: category1 */
:root {
      --primary: #2563eb;
      --primary-dark: #1e40af;
      --primary-light: #dbeafe;
      --accent: #f59e0b;
      --accent-dark: #d97706;
      --accent-light: #fef3c7;
      --cyan: #06b6d4;
      --dark: #0b1220;
      --dark-soft: #131e31;
      --bg: #f4f7fb;
      --card: #ffffff;
      --text: #1c2333;
      --muted: #667085;
      --border: #e5eaf0;
      --radius: 20px;
      --radius-sm: 12px;
      --shadow: 0 12px 34px rgba(15, 23, 42, 0.08);
      --shadow-lg: 0 28px 64px rgba(15, 23, 42, 0.14);
      --transition: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.75;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

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

    .container {
      max-width: 1240px;
      margin: 0 auto;
      padding: 0 28px;
    }

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(11, 18, 32, 0.92);
      backdrop-filter: blur(18px);
      -webkit-backdrop-filter: blur(18px);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      transition: background var(--transition), box-shadow var(--transition);
    }

    .site-header.scrolled {
      box-shadow: 0 10px 30px rgba(0, 0, 0, 0.25);
      background: rgba(8, 14, 25, 0.96);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
      gap: 24px;
    }

    .brand-logo,
    .footer-brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      font-size: 22px;
      font-weight: 900;
      color: #ffffff;
      letter-spacing: 0.5px;
      white-space: nowrap;
    }

    .logo-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: var(--accent);
      box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2), 0 0 18px rgba(245, 158, 11, 0.5);
      display: inline-block;
      flex-shrink: 0;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .nav-link {
      position: relative;
      color: rgba(255, 255, 255, 0.75);
      font-size: 15px;
      font-weight: 500;
      padding: 10px 16px;
      border-radius: 10px;
      transition: color var(--transition), background var(--transition);
    }

    .nav-link:hover {
      color: #ffffff;
      background: rgba(255, 255, 255, 0.08);
    }

    .nav-link.active {
      color: #ffffff;
      font-weight: 700;
    }

    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 16px;
      right: 16px;
      bottom: 4px;
      height: 3px;
      border-radius: 4px;
      background: var(--accent);
      box-shadow: 0 0 12px rgba(245, 158, 11, 0.5);
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .nav-cta {
      white-space: nowrap;
    }

    .nav-toggle {
      display: none;
      width: 42px;
      height: 42px;
      align-items: center;
      justify-content: center;
      background: rgba(255, 255, 255, 0.1);
      border: 1px solid rgba(255, 255, 255, 0.15);
      border-radius: 12px;
      color: #fff;
      font-size: 18px;
      cursor: pointer;
      transition: background var(--transition);
    }

    .nav-toggle:hover {
      background: rgba(255, 255, 255, 0.18);
    }

    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border-radius: 14px;
      font-size: 15px;
      font-weight: 700;
      padding: 14px 28px;
      border: 2px solid transparent;
      cursor: pointer;
      transition: all var(--transition);
      line-height: 1.4;
    }

    .btn-primary {
      background: var(--accent);
      color: #0b1220;
      border-color: var(--accent);
      box-shadow: 0 8px 22px rgba(245, 158, 11, 0.3);
    }

    .btn-primary:hover {
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      color: #0b1220;
      transform: translateY(-2px);
      box-shadow: 0 14px 30px rgba(245, 158, 11, 0.35);
    }

    .btn-outline-light {
      background: transparent;
      color: #fff;
      border-color: rgba(255, 255, 255, 0.4);
    }

    .btn-outline-light:hover {
      background: rgba(255, 255, 255, 0.14);
      border-color: #fff;
      color: #fff;
      transform: translateY(-2px);
    }

    .btn-sm {
      padding: 9px 18px;
      font-size: 14px;
      border-radius: 10px;
    }

    .hero {
      position: relative;
      background: url('/assets/images/backpic/back-1.png') center center/cover no-repeat;
      padding: 190px 0 110px;
      color: #fff;
      overflow: hidden;
    }

    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(8, 14, 25, 0.92) 30%, rgba(30, 58, 138, 0.72) 70%, rgba(245, 158, 11, 0.28) 100%);
      z-index: 1;
    }

    .hero .container {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, 0.12);
      border: 1px solid rgba(255, 255, 255, 0.2);
      padding: 8px 18px;
      border-radius: 40px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.3px;
      color: #fff;
      backdrop-filter: blur(8px);
      margin-bottom: 22px;
    }

    .hero-badge .live-dot {
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: #22c55e;
      animation: pulse-dot 1.6s infinite;
    }

    @keyframes pulse-dot {
      0%, 100% { box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6); }
      50% { box-shadow: 0 0 0 6px rgba(34, 197, 94, 0); }
    }

    .hero h1 {
      font-size: 56px;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 18px;
      letter-spacing: -0.5px;
    }

    .hero h1 span {
      color: var(--accent);
    }

    .hero-desc {
      font-size: 18px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.85);
      max-width: 620px;
      margin-bottom: 34px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 36px;
      margin-top: 60px;
      padding-top: 30px;
      border-top: 1px solid rgba(255, 255, 255, 0.18);
    }

    .hero-stat {
      display: flex;
      flex-direction: column;
    }

    .hero-stat b {
      font-size: 32px;
      font-weight: 900;
      color: #fff;
      line-height: 1.2;
    }

    .hero-stat span {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.7);
    }

    .ticker-bar {
      background: var(--dark);
      border-top: 1px solid rgba(255, 255, 255, 0.08);
      border-bottom: 1px solid rgba(255, 255, 255, 0.08);
      padding: 14px 0;
      overflow: hidden;
      white-space: nowrap;
    }

    .ticker-track {
      display: inline-flex;
      gap: 48px;
      animation: ticker 32s linear infinite;
      color: rgba(255, 255, 255, 0.8);
      font-size: 14px;
    }

    .ticker-track i {
      color: var(--accent);
      margin-right: 6px;
    }

    @keyframes ticker {
      0% { transform: translateX(0); }
      100% { transform: translateX(-50%); }
    }

    .section {
      padding: 96px 0;
    }

    .section-head {
      text-align: center;
      max-width: 720px;
      margin: 0 auto 56px;
    }

    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--primary);
      background: var(--primary-light);
      padding: 6px 16px;
      border-radius: 30px;
      letter-spacing: 0.5px;
      margin-bottom: 14px;
      text-transform: uppercase;
    }

    .section-head h2 {
      font-size: 38px;
      font-weight: 900;
      line-height: 1.3;
      margin-bottom: 14px;
      letter-spacing: -0.5px;
    }

    .section-head p {
      color: var(--muted);
      font-size: 16px;
    }

    .latest-news {
      background: var(--bg);
    }

    .news-wrapper {
      background: var(--card);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      padding: 36px;
    }

    .news-item {
      display: flex;
      align-items: flex-start;
      gap: 22px;
      padding: 22px 0;
      border-bottom: 1px solid var(--border);
      transition: background var(--transition);
    }

    .news-item:last-child {
      border-bottom: 0;
      padding-bottom: 0;
    }

    .news-time {
      flex-shrink: 0;
      background: var(--bg);
      border: 1px solid var(--border);
      border-radius: 14px;
      padding: 10px 14px;
      text-align: center;
      min-width: 68px;
    }

    .news-time b {
      display: block;
      font-size: 20px;
      line-height: 1.1;
      color: var(--text);
    }

    .news-time span {
      font-size: 12px;
      color: var(--muted);
    }

    .news-main {
      flex: 1;
    }

    .news-title {
      font-size: 17px;
      font-weight: 700;
      margin-bottom: 6px;
    }

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

    .news-meta {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
      font-size: 13px;
      color: var(--muted);
    }

    .news-meta i {
      color: var(--accent);
    }

    .badge {
      display: inline-block;
      padding: 4px 12px;
      border-radius: 30px;
      font-size: 12px;
      font-weight: 700;
      line-height: 1.6;
    }

    .badge-hot {
      background: #fee2e2;
      color: #dc2626;
    }

    .badge-new {
      background: #dcfce7;
      color: #16a34a;
    }

    .badge-top {
      background: var(--accent-light);
      color: var(--accent-dark);
    }

    .category-grid .cell {
      margin-bottom: 24px;
    }

    .cat-card {
      position: relative;
      background: var(--card);
      border-radius: var(--radius);
      padding: 28px;
      height: 100%;
      border: 1px solid var(--border);
      box-shadow: var(--shadow);
      transition: transform var(--transition), box-shadow var(--transition);
      overflow: hidden;
    }

    .cat-card::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 4px;
      background: linear-gradient(90deg, var(--primary), var(--accent));
      opacity: 0.6;
      transition: opacity var(--transition);
    }

    .cat-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
    }

    .cat-card:hover::before {
      opacity: 1;
    }

    .cat-icon {
      width: 56px;
      height: 56px;
      border-radius: 18px;
      background: var(--primary-light);
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 24px;
      color: var(--primary);
      margin-bottom: 20px;
    }

    .cat-card h3 {
      font-size: 20px;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .cat-card p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 20px;
    }

    .cat-link {
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
    }

    .cat-link i {
      transition: transform var(--transition);
      margin-left: 4px;
    }

    .cat-card:hover .cat-link i {
      transform: translateX(4px);
    }

    .data-panel {
      background: var(--dark) url('/assets/images/backpic/back-2.png') center center/cover no-repeat;
      padding: 100px 0;
      color: #fff;
      position: relative;
    }

    .data-panel::before {
      content: '';
      position: absolute;
      inset: 0;
      background: rgba(8, 14, 25, 0.85);
    }

    .data-panel .container {
      position: relative;
      z-index: 2;
    }

    .data-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
    }

    .data-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius);
      padding: 36px 28px;
      text-align: center;
      backdrop-filter: blur(8px);
      transition: transform var(--transition), background var(--transition);
    }

    .data-card:hover {
      transform: translateY(-6px);
      background: rgba(255, 255, 255, 0.1);
    }

    .data-card i {
      font-size: 30px;
      color: var(--accent);
      margin-bottom: 16px;
    }

    .data-card b {
      display: block;
      font-size: 40px;
      font-weight: 900;
      line-height: 1.2;
      margin-bottom: 6px;
    }

    .data-card span {
      color: rgba(255, 255, 255, 0.65);
      font-size: 14px;
    }

    .featured-card {
      background: var(--card);
      border-radius: var(--radius);
      box-shadow: var(--shadow);
      overflow: hidden;
      height: 100%;
      transition: transform var(--transition), box-shadow var(--transition);
      border: 1px solid var(--border);
    }

    .featured-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-lg);
    }

    .featured-cover {
      position: relative;
      height: 220px;
      overflow: hidden;
    }

    .featured-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }

    .featured-card:hover .featured-cover img {
      transform: scale(1.06);
    }

    .featured-cover::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, transparent 55%, rgba(11, 18, 32, 0.75));
    }

    .featured-label {
      position: absolute;
      top: 16px;
      left: 16px;
      z-index: 2;
    }

    .featured-body {
      padding: 28px;
    }

    .featured-body h3 {
      font-size: 19px;
      font-weight: 800;
      margin-bottom: 10px;
      line-height: 1.4;
    }

    .featured-body p {
      color: var(--muted);
      font-size: 14px;
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .featured-meta {
      display: flex;
      justify-content: space-between;
      align-items: center;
      border-top: 1px solid var(--border);
      padding-top: 16px;
      font-size: 13px;
      color: var(--muted);
    }

    .faq-section {
      background: var(--bg);
    }

    .faq-list {
      max-width: 860px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--card);
      border: 1px solid var(--border);
      border-radius: 16px;
      margin-bottom: 16px;
      overflow: hidden;
      transition: border-color var(--transition), box-shadow var(--transition);
    }

    .faq-item.open {
      border-color: var(--primary);
      box-shadow: var(--shadow);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 22px 26px;
      cursor: pointer;
      font-weight: 600;
      font-size: 16px;
      gap: 16px;
    }

    .faq-question i {
      color: var(--primary);
      transition: transform var(--transition);
      flex-shrink: 0;
    }

    .faq-item.open .faq-question i {
      transform: rotate(180deg);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease;
    }

    .faq-answer p {
      padding: 0 26px 24px;
      color: var(--muted);
      font-size: 15px;
      line-height: 1.8;
    }

    .cta-section {
      background: linear-gradient(135deg, var(--primary-dark), var(--dark));
      padding: 100px 0;
      color: #fff;
      position: relative;
      overflow: hidden;
    }

    .cta-section::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -80px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: rgba(245, 158, 11, 0.2);
      filter: blur(80px);
    }

    .cta-inner {
      position: relative;
      z-index: 2;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 40px;
      flex-wrap: wrap;
    }

    .cta-content h2 {
      font-size: 36px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .cta-content p {
      color: rgba(255, 255, 255, 0.7);
      max-width: 480px;
    }

    .cta-form {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    .cta-form input {
      padding: 14px 20px;
      border-radius: 14px;
      border: 1px solid rgba(255, 255, 255, 0.2);
      background: rgba(255, 255, 255, 0.1);
      color: #fff;
      font-size: 15px;
      min-width: 260px;
      outline: none;
      transition: border-color var(--transition), background var(--transition);
    }

    .cta-form input::placeholder {
      color: rgba(255, 255, 255, 0.5);
    }

    .cta-form input:focus {
      border-color: var(--accent);
      background: rgba(255, 255, 255, 0.16);
      box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
    }

    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, 0.7);
      padding: 80px 0 30px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 50px;
      margin-bottom: 56px;
    }

    .footer-brand {
      margin-bottom: 18px;
      font-size: 20px;
    }

    .footer-desc {
      font-size: 14px;
      line-height: 1.8;
      max-width: 320px;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-col h4 {
      color: #ffffff;
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 20px;
    }

    .footer-col a {
      display: flex;
      align-items: center;
      gap: 8px;
      color: rgba(255, 255, 255, 0.55);
      font-size: 14px;
      padding: 7px 0;
      transition: color var(--transition), transform var(--transition);
    }

    .footer-col a:hover {
      color: var(--accent);
      transform: translateX(4px);
    }

    .footer-col a i {
      width: 18px;
      color: var(--accent);
      text-align: center;
    }

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 28px;
      display: flex;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.4);
    }

    .footer-bottom a {
      color: rgba(255, 255, 255, 0.5);
    }

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

    .page-main {
      padding-top: 76px;
    }

    .inner-header {
      background: var(--dark) url('/assets/images/backpic/back-3.png') center center/cover no-repeat;
      position: relative;
      padding: 140px 0 90px;
      color: #fff;
    }

    .inner-header::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(8, 14, 25, 0.9), rgba(30, 58, 138, 0.65));
    }

    .inner-header .container {
      position: relative;
      z-index: 2;
    }

    .inner-header h1 {
      font-size: 44px;
      font-weight: 900;
      margin-bottom: 12px;
    }

    .inner-header p {
      color: rgba(255, 255, 255, 0.75);
      max-width: 600px;
    }

    .breadcrumb {
      display: flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      margin-bottom: 18px;
    }

    .breadcrumb a {
      color: rgba(255, 255, 255, 0.6);
    }

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

    .breadcrumb i {
      font-size: 12px;
      color: rgba(255, 255, 255, 0.4);
    }

    @media (max-width: 1024px) {
      .header-inner {
        height: 68px;
      }

      .main-nav {
        gap: 2px;
      }

      .nav-link {
        padding: 8px 12px;
        font-size: 14px;
      }

      .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 40px;
      }

      .data-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .container {
        padding: 0 20px;
      }

      .site-header {
        background: rgba(8, 14, 25, 0.96);
      }

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

      .main-nav {
        position: fixed;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(8, 14, 25, 0.98);
        flex-direction: column;
        align-items: stretch;
        padding: 16px 20px 28px;
        gap: 8px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        transform: translateY(-120%);
        opacity: 0;
        visibility: hidden;
        transition: transform 0.4s ease, opacity 0.4s ease, visibility 0.4s;
        backdrop-filter: blur(24px);
      }

      .main-nav.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
      }

      .nav-link {
        display: block;
        padding: 12px 14px;
        font-size: 16px;
        border-radius: 12px;
      }

      .nav-link.active::after {
        left: 14px;
        right: auto;
        width: 32px;
        bottom: 6px;
      }

      .nav-cta {
        display: none;
      }

      .hero {
        padding: 150px 0 70px;
      }

      .hero h1 {
        font-size: 34px;
      }

      .hero-desc {
        font-size: 16px;
      }

      .hero-stats {
        gap: 24px;
        margin-top: 40px;
      }

      .hero-stat b {
        font-size: 24px;
      }

      .section {
        padding: 64px 0;
      }

      .section-head h2 {
        font-size: 30px;
      }

      .section-head {
        margin-bottom: 40px;
      }

      .news-wrapper {
        padding: 20px;
      }

      .news-item {
        flex-direction: column;
        gap: 12px;
      }

      .news-time {
        min-width: auto;
        display: inline-flex;
        gap: 8px;
        align-items: center;
        padding: 6px 14px;
      }

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

      .data-card {
        padding: 24px 16px;
      }

      .data-card b {
        font-size: 30px;
      }

      .cta-inner {
        flex-direction: column;
        align-items: flex-start;
      }

      .cta-form {
        width: 100%;
      }

      .cta-form input {
        flex: 1;
        min-width: 0;
        width: 100%;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
      }

      .inner-header {
        padding: 120px 0 60px;
      }

      .inner-header h1 {
        font-size: 30px;
      }
    }

    @media (max-width: 520px) {
      .brand-logo {
        font-size: 18px;
      }

      .hero h1 {
        font-size: 28px;
      }

      .section-head h2 {
        font-size: 26px;
      }

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

      .category-grid .cell {
        margin-bottom: 16px;
      }

      .hero-actions .btn {
        width: 100%;
      }

      .footer-bottom {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
    }

/* roulang page: article */
:root{
  --primary:#0d1b2a;
  --primary-light:#1b3a5c;
  --accent:#f0b35c;
  --accent-deep:#d98e2b;
  --bg:#f6f7f9;
  --white:#ffffff;
  --text:#1e293b;
  --text-muted:#64748b;
  --border:#e2e8f0;
  --radius:16px;
  --radius-sm:10px;
  --shadow-sm:0 2px 10px rgba(13,27,42,0.06);
  --shadow-md:0 10px 34px rgba(13,27,42,0.10);
  --shadow-lg:0 20px 60px rgba(13,27,42,0.14);
  --transition:all 0.3s ease;
}
*,
*::before,
*::after{
  box-sizing:border-box;
}
html{
  scroll-behavior:smooth;
}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Segoe UI",Roboto,sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
img{
  max-width:100%;
  display:block;
}
a{
  color:inherit;
  text-decoration:none;
}
button{
  font-family:inherit;
  cursor:pointer;
}
.container{
  width:100%;
  max-width:1240px;
  margin-left:auto;
  margin-right:auto;
  padding-left:24px;
  padding-right:24px;
}
.section{
  padding:88px 0;
}
@media(max-width:768px){
  .section{
    padding:60px 0;
  }
}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 30px;
  border-radius:999px;
  font-weight:600;
  font-size:15px;
  line-height:1.4;
  white-space:nowrap;
  border:2px solid transparent;
  transition:var(--transition);
}
.btn-sm{
  padding:9px 20px;
  font-size:14px;
}
.btn-lg{
  padding:16px 36px;
  font-size:17px;
}
.btn-primary{
  background:var(--accent);
  color:var(--primary);
}
.btn-primary:hover{
  background:var(--accent-deep);
  transform:translateY(-2px);
  box-shadow:0 10px 24px rgba(240,179,92,0.32);
}
.btn-gold{
  background:linear-gradient(135deg,#f7c873,#e8a33d);
  color:var(--primary);
  box-shadow:0 4px 16px rgba(232,163,61,0.35);
}
.btn-gold:hover{
  box-shadow:0 10px 28px rgba(232,163,61,0.45);
  transform:translateY(-2px);
}
.btn-outline-light{
  border:2px solid rgba(255,255,255,0.6);
  color:#fff;
  background:transparent;
}
.btn-outline-light:hover{
  background:rgba(255,255,255,0.12);
  border-color:#fff;
}
.btn-ghost{
  border:2px solid var(--border);
  color:var(--text);
  background:var(--white);
}
.btn-ghost:hover{
  border-color:var(--accent);
  color:var(--primary);
}
.btn-block{
  width:100%;
}
.site-header{
  position:sticky;
  top:0;
  z-index:100;
  background:rgba(13,27,42,0.94);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,0.06);
  box-shadow:0 2px 16px rgba(13,27,42,0.18);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  min-height:74px;
  gap:20px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:800;
  color:#fff;
  letter-spacing:0.5px;
  line-height:1.2;
}
.logo-dot{
  width:10px;
  height:10px;
  border-radius:50%;
  background:var(--accent);
  box-shadow:0 0 0 4px rgba(240,179,92,0.25),0 0 14px rgba(240,179,92,0.6);
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  color:rgba(255,255,255,0.75);
  font-size:15px;
  font-weight:500;
  padding:9px 14px;
  border-radius:8px;
  border-bottom:2px solid transparent;
  transition:var(--transition);
}
.nav-link:hover{
  color:#fff;
  background:rgba(255,255,255,0.07);
}
.nav-link.active{
  color:var(--accent);
  font-weight:600;
  background:rgba(240,179,92,0.10);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.nav-cta{
  box-shadow:0 4px 16px rgba(240,179,92,0.25);
}
.nav-toggle{
  display:none;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:10px;
  border:1px solid rgba(255,255,255,0.15);
  background:rgba(255,255,255,0.06);
  color:#fff;
  font-size:18px;
}
@media(max-width:1024px){
  .main-nav{
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    position:absolute;
    top:100%;
    left:0;
    width:100%;
    background:var(--primary);
    padding:16px 24px 22px;
    border-top:1px solid rgba(255,255,255,0.06);
    box-shadow:0 20px 40px rgba(13,27,42,0.25);
  }
  .main-nav.open{
    display:flex;
  }
  .nav-link{
    padding:12px 14px;
    font-size:16px;
    border-radius:10px;
  }
  .nav-toggle{
    display:inline-flex;
  }
  .nav-cta{
    display:none;
  }
}
.article-hero{
  position:relative;
  padding:96px 0 80px;
  background:linear-gradient(135deg,rgba(10,23,46,0.92),rgba(16,35,64,0.85)),url('/assets/images/backpic/back-1.png') center bottom/cover no-repeat;
  color:#fff;
  text-align:center;
  overflow:hidden;
}
.article-hero::after{
  content:'';
  position:absolute;
  bottom:0;
  left:50%;
  transform:translateX(-50%);
  width:120px;
  height:4px;
  border-radius:2px;
  background:var(--accent);
}
.breadcrumb{
  display:flex;
  justify-content:center;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:rgba(255,255,255,0.7);
  margin-bottom:22px;
}
.breadcrumb a{
  color:rgba(255,255,255,0.75);
  transition:var(--transition);
}
.breadcrumb a:hover{
  color:var(--accent);
}
.breadcrumb-sep{
  color:rgba(255,255,255,0.35);
  font-size:12px;
}
.breadcrumb .current{
  color:var(--accent);
  font-weight:600;
}
.article-title{
  font-size:clamp(26px,4vw,40px);
  font-weight:800;
  line-height:1.35;
  max-width:920px;
  margin:0 auto 24px;
  letter-spacing:0.5px;
}
.article-meta-list{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
}
.article-meta-item{
  display:inline-flex;
  align-items:center;
  gap:7px;
  font-size:14px;
  background:rgba(255,255,255,0.10);
  padding:8px 18px;
  border-radius:999px;
  color:rgba(255,255,255,0.88);
}
.article-meta-item i{
  color:var(--accent);
}
@media(max-width:768px){
  .article-hero{
    padding:64px 0 56px;
  }
}
.article-section{
  padding-top:64px;
}
.article-wrap{
  background:#fff;
  border-radius:var(--radius);
  box-shadow:var(--shadow-sm);
  padding:48px 56px;
  border:1px solid var(--border);
}
@media(max-width:768px){
  .article-wrap{
    padding:28px 22px;
    border-radius:12px;
  }
}
.article-content{
  font-size:17px;
  line-height:1.9;
  color:#2d3748;
  word-break:break-word;
}
.article-content p{
  margin-bottom:1.2em;
}
.article-content h2{
  font-size:26px;
  font-weight:700;
  margin:36px 0 14px;
  color:var(--primary);
  padding-bottom:8px;
  border-bottom:2px solid var(--border);
}
.article-content h3{
  font-size:21px;
  font-weight:700;
  margin:28px 0 12px;
  color:var(--primary);
}
.article-content h4{
  font-size:18px;
  font-weight:600;
  margin:22px 0 10px;
  color:var(--primary-light);
}
.article-content ul,
.article-content ol{
  margin:16px 0;
  padding-left:24px;
}
.article-content li{
  margin-bottom:8px;
}
.article-content img{
  max-width:100%;
  height:auto;
  border-radius:12px;
  margin:24px 0;
  box-shadow:var(--shadow-sm);
}
.article-content a{
  color:var(--primary);
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-color:rgba(27,58,92,0.35);
}
.article-content blockquote{
  border-left:4px solid var(--accent);
  background:#faf8f4;
  padding:18px 22px;
  border-radius:0 10px 10px 0;
  margin:24px 0;
  color:var(--text);
}
.article-content code{
  background:#f1f5f9;
  padding:2px 8px;
  border-radius:4px;
  font-size:0.9em;
  font-family:'SFMono-Regular',Consolas,'Liberation Mono',Menlo,monospace;
}
.article-content table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-content th,
.article-content td{
  padding:12px 16px;
  border:1px solid var(--border);
  text-align:left;
}
.article-content th{
  background:#f8fafc;
  font-weight:600;
  color:var(--primary);
}
.article-content-footer{
  margin-top:40px;
  padding-top:28px;
  border-top:1px solid var(--border);
}
.tag-list{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-bottom:24px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  background:#f1f5f9;
  border:1px solid var(--border);
  color:var(--text);
  font-size:13px;
  font-weight:500;
  padding:6px 14px;
  border-radius:999px;
}
.tag i{
  color:var(--accent-deep);
}
.article-nav-links{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
}
.article-not-found{
  text-align:center;
  padding:80px 30px;
}
.not-found-icon{
  width:96px;
  height:96px;
  border-radius:50%;
  background:rgba(240,179,92,0.12);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 24px;
  color:var(--accent-deep);
  font-size:42px;
}
.article-not-found h2{
  font-size:30px;
  font-weight:800;
  color:var(--primary);
  margin-bottom:12px;
}
.article-not-found p{
  font-size:16px;
  color:var(--text-muted);
  max-width:400px;
  margin:0 auto 28px;
}
.article-sidebar{
  display:flex;
  flex-direction:column;
  gap:22px;
  position:sticky;
  top:100px;
}
.sidebar-card{
  background:#fff;
  border-radius:var(--radius);
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  padding:26px;
}
.sidebar-card-header{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
  padding-bottom:14px;
  border-bottom:2px solid var(--border);
}
.sidebar-card-header i{
  color:var(--accent-deep);
  font-size:18px;
}
.sidebar-card-header h3{
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  margin:0;
}
.sidebar-card p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.75;
  margin-bottom:0;
}
.sidebar-link{
  display:flex;
  align-items:center;
  gap:12px;
  padding:13px 12px;
  border-radius:10px;
  background:#f8fafc;
  border:1px solid var(--border);
  margin-bottom:10px;
  font-size:15px;
  font-weight:500;
  color:var(--text);
  transition:var(--transition);
}
.sidebar-link:last-child{
  margin-bottom:0;
}
.sidebar-link i:first-child{
  color:var(--accent-deep);
  width:20px;
  text-align:center;
}
.sidebar-link i:last-child{
  margin-left:auto;
  color:#cbd5e1;
  font-size:13px;
}
.sidebar-link:hover{
  border-color:var(--accent);
  background:#fffaf2;
  transform:translateX(4px);
  box-shadow:var(--shadow-sm);
}
.service-list{
  list-style:none;
  padding:0;
  margin:0;
}
.service-list li{
  display:flex;
  align-items:center;
  gap:10px;
  padding:8px 0;
  font-size:14px;
  color:var(--text);
}
.service-list li i{
  color:#22c55e;
  font-size:16px;
}
.sidebar-promo{
  background:linear-gradient(135deg,#0d1b2a,#1b3a5c);
  border:none;
  color:#fff;
  text-align:center;
}
.sidebar-promo-icon{
  width:58px;
  height:58px;
  border-radius:50%;
  background:linear-gradient(135deg,#f7c873,#e8a33d);
  display:flex;
  align-items:center;
  justify-content:center;
  margin:0 auto 14px;
  font-size:24px;
  color:#0d1b2a;
  box-shadow:0 8px 24px rgba(240,179,92,0.4);
}
.sidebar-promo h3{
  font-size:19px;
  font-weight:700;
  margin-bottom:8px;
  color:#fff;
}
.sidebar-promo p{
  color:rgba(255,255,255,0.65);
  margin-bottom:18px;
}
.showcase-section{
  background:#fff;
}
.section-head{
  text-align:center;
  max-width:640px;
  margin:0 auto 48px;
}
.section-eyebrow{
  display:inline-block;
  background:rgba(240,179,92,0.14);
  color:var(--primary);
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  padding:5px 16px;
  border-radius:999px;
  margin-bottom:14px;
  text-transform:uppercase;
}
.section-title{
  font-size:clamp(26px,3.4vw,36px);
  font-weight:800;
  color:var(--primary);
  line-height:1.3;
  margin-bottom:12px;
}
.section-sub{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.7;
  margin-bottom:0;
}
.mini-focus-card{
  display:block;
  background:#fff;
  border-radius:var(--radius);
  overflow:hidden;
  border:1px solid var(--border);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  height:100%;
}
.mini-focus-card:hover{
  transform:translateY(-7px);
  box-shadow:var(--shadow-md);
  border-color:rgba(240,179,92,0.4);
}
.mini-card-image{
  height:190px;
  overflow:hidden;
  position:relative;
}
.mini-card-image img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform 0.55s ease;
}
.mini-focus-card:hover .mini-card-image img{
  transform:scale(1.06);
}
.mini-card-body{
  padding:24px 26px 28px;
}
.mini-card-tag{
  display:inline-block;
  background:rgba(240,179,92,0.14);
  color:var(--primary);
  font-size:13px;
  font-weight:600;
  padding:4px 12px;
  border-radius:999px;
  margin-bottom:12px;
}
.mini-card-body h3{
  font-size:19px;
  font-weight:700;
  color:var(--text);
  margin-bottom:8px;
}
.mini-card-body p{
  font-size:14px;
  color:var(--text-muted);
  margin-bottom:0;
  line-height:1.7;
}
.cta-section{
  position:relative;
  background:linear-gradient(135deg,#0b1527,#122443);
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  right:-100px;
  top:-100px;
  width:300px;
  height:300px;
  background:radial-gradient(circle,rgba(240,179,92,0.18),transparent 70%);
}
.cta-section::after{
  content:'';
  position:absolute;
  left:-80px;
  bottom:-120px;
  width:260px;
  height:260px;
  background:radial-gradient(circle,rgba(27,58,92,0.5),transparent 70%);
}
.cta-box{
  position:relative;
  z-index:1;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:32px;
  flex-wrap:wrap;
}
.cta-info h2{
  font-size:clamp(24px,3vw,32px);
  font-weight:800;
  color:#fff;
  margin-bottom:10px;
  line-height:1.3;
}
.cta-info p{
  color:rgba(255,255,255,0.6);
  font-size:16px;
  margin-bottom:0;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}
@media(max-width:768px){
  .cta-box{
    flex-direction:column;
    text-align:center;
  }
  .cta-actions{
    justify-content:center;
  }
}
.faq-section{
  background:var(--bg);
}
.faq-grid{
  max-width:1080px;
  margin:0 auto;
}
.faq-item{
  background:#fff;
  border-radius:14px;
  margin-bottom:14px;
  box-shadow:0 2px 10px rgba(13,27,42,0.05);
  border:1px solid var(--border);
  overflow:hidden;
  transition:var(--transition);
}
.faq-item.active{
  border-color:rgba(240,179,92,0.5);
  box-shadow:var(--shadow-md);
}
.faq-question{
  width:100%;
  background:none;
  border:none;
  padding:20px 24px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  text-align:left;
  transition:var(--transition);
}
.faq-question:hover{
  color:var(--primary);
}
.faq-question i{
  flex-shrink:0;
  color:var(--accent-deep);
  transition:var(--transition);
  font-size:14px;
}
.faq-item.active .faq-question i{
  transform:rotate(180deg);
}
.faq-answer{
  max-height:0;
  overflow:hidden;
  transition:max-height 0.4s ease;
  padding:0 24px;
}
.faq-item.active .faq-answer{
  padding:0 24px 22px;
}
.faq-answer p{
  font-size:15px;
  color:var(--text-muted);
  line-height:1.75;
  margin-bottom:0;
}
@media(max-width:768px){
  .faq-item .faq-question{
    padding:17px 18px;
    font-size:15px;
  }
  .faq-item.active .faq-answer{
    padding:0 18px 18px;
  }
}
.site-footer{
  background:#0b1527;
  color:rgba(255,255,255,0.7);
  padding:68px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,0.08);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:21px;
  font-weight:800;
  color:#fff;
  margin-bottom:14px;
  letter-spacing:0.4px;
}
.footer-desc{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,0.55);
  max-width:320px;
  margin-bottom:0;
}
.footer-col h4{
  font-size:16px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:'';
  position:absolute;
  bottom:0;
  left:0;
  width:34px;
  height:3px;
  border-radius:2px;
  background:var(--accent);
}
.footer-col a{
  display:flex;
  align-items:center;
  gap:8px;
  color:rgba(255,255,255,0.6);
  font-size:14px;
  padding:6px 0;
  transition:var(--transition);
}
.footer-col a:hover{
  color:var(--accent);
  padding-left:4px;
}
.footer-col a i{
  width:18px;
  text-align:center;
  color:rgba(240,179,92,0.7);
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  padding:22px 0 28px;
  font-size:13px;
  color:rgba(255,255,255,0.4);
}
@media(max-width:1024px){
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
}
@media(max-width:520px){
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}
@media(max-width:768px){
  .article-nav-links{
    flex-direction:column;
  }
  .article-nav-links .btn{
    width:100%;
  }
}

/* roulang page: category2 */
:root {
    --primary: #1b2a5d;
    --primary-soft: #26346e;
    --primary-deep: #0e1735;
    --navy-deep: #0a1123;
    --accent: #ffbf47;
    --accent-2: #ff9f43;
    --accent-soft: #fff6e5;
    --bg-page: #f5f7fc;
    --bg-card: #ffffff;
    --text-body: #242a38;
    --text-muted: #667085;
    --border: #e3e7f1;
    --radius-sm: 10px;
    --radius: 18px;
    --radius-lg: 28px;
    --shadow-sm: 0 6px 18px rgba(20, 28, 58, 0.06);
    --shadow: 0 14px 40px rgba(20, 28, 58, 0.09);
    --shadow-lg: 0 28px 70px rgba(20, 28, 58, 0.16);
    --spacing-section: 5.2rem;
    --transition: all 0.25s ease;
  }

  * { box-sizing: border-box; }

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg-page);
    color: var(--text-body);
    line-height: 1.7;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
  }

  img { max-width: 100%; display: block; }
  a { color: inherit; text-decoration: none; transition: var(--transition); }
  ul, ol { margin: 0; padding: 0; list-style: none; }

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

  /* ===== 按钮 ===== */
  .btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 13px 28px;
    border-radius: var(--radius-sm);
    font-weight: 600;
    font-size: 0.95rem;
    border: none;
    cursor: pointer;
    transition: var(--transition);
    line-height: 1.4;
    text-decoration: none;
  }
  .btn:focus-visible {
    outline: 3px solid rgba(255, 191, 71, 0.5);
    outline-offset: 2px;
  }
  .btn-accent {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #1b1b1b;
    box-shadow: 0 10px 24px rgba(255, 159, 67, 0.28);
  }
  .btn-accent:hover {
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(255, 159, 67, 0.38);
  }
  .btn-outline-light {
    border: 1px solid rgba(255, 255, 255, 0.55);
    color: #ffffff;
    background: rgba(255, 255, 255, 0.08);
    backdrop-filter: blur(6px);
  }
  .btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.16);
    border-color: #ffffff;
  }
  .btn-primary {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 10px 26px rgba(27, 42, 93, 0.25);
  }
  .btn-primary:hover {
    background: var(--primary-soft);
    transform: translateY(-2px);
  }
  .btn-sm {
    padding: 9px 18px;
    font-size: 0.85rem;
  }

  /* ===== 徽章 ===== */
  .badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 14px;
    border-radius: 999px;
    font-size: 0.78rem;
    font-weight: 600;
    letter-spacing: 0.03em;
  }
  .badge-accent {
    background: var(--accent-soft);
    color: #b37400;
    border: 1px solid #ffe1a1;
  }
  .badge-dark {
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(8px);
  }
  .badge-hot {
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #3a2400;
    font-size: 0.72rem;
  }

  /* ===== Header ===== */
  .site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.9);
    backdrop-filter: blur(14px);
    border-bottom: 1px solid rgba(227, 231, 241, 0.8);
    box-shadow: 0 4px 20px rgba(14, 23, 53, 0.04);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    min-height: 76px;
    gap: 20px;
  }
  .brand-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 1.3rem;
    color: var(--primary);
    white-space: nowrap;
    letter-spacing: 0.01em;
  }
  .brand-logo:hover { color: var(--primary-soft); }
  .logo-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(255, 191, 71, 0.22);
    flex-shrink: 0;
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .nav-link {
    padding: 10px 14px;
    border-radius: 10px;
    color: var(--text-body);
    font-weight: 600;
    font-size: 0.9rem;
    white-space: nowrap;
    transition: var(--transition);
  }
  .nav-link:hover {
    color: var(--primary);
    background: rgba(27, 42, 93, 0.06);
  }
  .nav-link.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 8px 20px rgba(27, 42, 93, 0.22);
  }
  .header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    box-shadow: 0 8px 18px rgba(255, 159, 67, 0.25);
  }
  .nav-cta .hot-badge {
    position: relative;
  }
  .nav-cta .hot-badge::after {
    content: "HOT";
    position: absolute;
    top: -12px;
    right: -30px;
    background: #e63d3d;
    color: #fff;
    font-size: 9px;
    font-weight: 800;
    padding: 2px 7px;
    border-radius: 999px;
    letter-spacing: 0.08em;
  }
  .nav-toggle {
    display: none;
    background: none;
    border: 1px solid var(--border);
    width: 42px;
    height: 42px;
    border-radius: 10px;
    color: var(--primary);
    font-size: 1.1rem;
    cursor: pointer;
    transition: var(--transition);
  }
  .nav-toggle:hover {
    background: var(--accent-soft);
  }

  /* ===== Hero/Banner ===== */
  .hero-banner {
    position: relative;
    background: linear-gradient(105deg, rgba(10, 17, 35, 0.94) 0%, rgba(16, 24, 50, 0.82) 48%, rgba(27, 42, 93, 0.58) 100%), url('/assets/images/backpic/back-1.png') center/cover;
    padding: 128px 0 112px;
    color: #fff;
    overflow: hidden;
  }
  .hero-badge-line {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
    margin-bottom: 20px;
  }
  .hero-banner h1 {
    font-size: 2.9rem;
    line-height: 1.2;
    font-weight: 800;
    letter-spacing: 0.02em;
    margin: 0 0 18px;
    max-width: 760px;
  }
  .hero-banner h1 span {
    color: var(--accent);
    position: relative;
  }
  .hero-desc {
    max-width: 620px;
    font-size: 1.05rem;
    color: rgba(255, 255, 255, 0.85);
    margin-bottom: 32px;
  }
  .hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  .hero-metrics {
    display: flex;
    gap: 28px;
    margin-top: 44px;
    flex-wrap: wrap;
  }
  .hero-metric {
    display: flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    padding: 14px 20px;
    border-radius: 14px;
  }
  .hero-metric i {
    color: var(--accent);
    font-size: 1.2rem;
  }
  .hero-metric strong {
    font-size: 1.2rem;
    display: block;
    line-height: 1.2;
  }
  .hero-metric span {
    font-size: 0.78rem;
    color: rgba(255, 255, 255, 0.72);
  }

  /* ===== section共用 ===== */
  .section {
    padding: var(--spacing-section) 0;
  }
  .section-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 48px;
  }
  .section-header .badge {
    margin-bottom: 14px;
  }
  .section-header h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--primary-deep);
    margin: 0 0 10px;
    letter-spacing: -0.02em;
  }
  .section-header p {
    font-size: 0.98rem;
    color: var(--text-muted);
    margin: 0;
  }

  /* ===== 注册流程 ===== */
  .steps-section {
    background: #fff;
  }
  .step-col {
    margin-bottom: 24px;
  }
  .step-card {
    position: relative;
    height: 100%;
    background: var(--bg-page);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 36px 24px 30px;
    transition: var(--transition);
  }
  .step-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow);
    border-color: rgba(255, 191, 71, 0.6);
  }
  .step-num {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--primary), var(--primary-soft));
    color: #fff;
    font-weight: 800;
    font-size: 1.2rem;
    margin-bottom: 18px;
    box-shadow: 0 10px 20px rgba(27, 42, 93, 0.2);
  }
  .step-card h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin: 0 0 10px;
    color: var(--primary-deep);
  }
  .step-card p {
    font-size: 0.9rem;
    color: var(--text-muted);
    margin: 0;
  }

  /* ===== 等级权益 ===== */
  .tiers-section {
    background: var(--bg-page);
    position: relative;
  }
  .tier-col {
    margin-bottom: 24px;
  }
  .tier-card {
    position: relative;
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 36px 28px 32px;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
  }
  .tier-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow);
  }
  .tier-card.featured {
    border: 2px solid var(--accent);
    box-shadow: 0 20px 55px rgba(255, 159, 67, 0.16);
  }
  .tier-flag {
    position: absolute;
    top: -14px;
    right: 24px;
    background: linear-gradient(135deg, var(--accent), var(--accent-2));
    color: #3a2400;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 5px 14px;
    border-radius: 999px;
    letter-spacing: 0.05em;
  }
  .tier-name {
    font-size: 0.9rem;
    font-weight: 700;
    color: var(--text-muted);
    letter-spacing: 0.04em;
    margin-bottom: 6px;
  }
  .tier-price {
    font-size: 2.2rem;
    font-weight: 800;
    color: var(--primary-deep);
    margin-bottom: 4px;
    display: flex;
    align-items: baseline;
    gap: 6px;
  }
  .tier-price small {
    font-size: 0.85rem;
    color: var(--text-muted);
    font-weight: 600;
  }
  .tier-desc {
    font-size: 0.88rem;
    color: var(--text-muted);
    border-bottom: 1px solid var(--border);
    padding-bottom: 16px;
    margin-bottom: 18px;
  }
  .tier-features {
    flex: 1;
  }
  .tier-features li {
    display: flex;
    align-items: flex-start;
    gap: 9px;
    font-size: 0.88rem;
    padding: 7px 0;
    color: #4a5264;
  }
  .tier-features li i {
    color: var(--accent-2);
    margin-top: 4px;
    font-size: 0.8rem;
  }
  .tier-action {
    margin-top: 24px;
  }

  /* ===== 服务卡片 ===== */
  .services-section {
    background: #fff;
  }
  .service-col {
    margin-bottom: 24px;
  }
  .service-card {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    overflow: hidden;
    height: 100%;
    display: flex;
    flex-direction: column;
    transition: var(--transition);
  }
  .service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
  }
  .service-media {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16 / 9;
    background: var(--bg-page);
  }
  .service-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
  }
  .service-card:hover .service-media img {
    transform: scale(1.05);
  }
  .service-media .badge {
    position: absolute;
    top: 16px;
    left: 16px;
    background: rgba(255, 255, 255, 0.92);
    color: var(--primary);
    box-shadow: 0 6px 16px rgba(14, 23, 53, 0.12);
  }
  .service-body {
    padding: 24px 22px 26px;
    flex: 1;
    display: flex;
    flex-direction: column;
  }
  .service-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--primary-deep);
    margin: 0 0 8px;
  }
  .service-body p {
    font-size: 0.9rem;
    color: var(--text-muted);
    flex: 1;
    margin: 0 0 18px;
    line-height: 1.75;
  }
  .card-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 0.88rem;
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .card-link:hover {
    color: var(--accent-2);
    gap: 10px;
  }

  /* ===== 数据深色区 ===== */
  .stats-section {
    position: relative;
    background: linear-gradient(135deg, rgba(10, 17, 35, 0.94), rgba(27, 42, 93, 0.82)), url('/assets/images/backpic/back-2.png') center/cover;
    padding: var(--spacing-section) 0;
    color: #fff;
  }
  .stats-header {
    text-align: center;
    max-width: 680px;
    margin: 0 auto 50px;
  }
  .stats-header h2 {
    color: #fff;
    font-size: 2rem;
    font-weight: 800;
    margin: 12px 0 8px;
  }
  .stats-header p {
    color: rgba(255, 255, 255, 0.75);
    margin: 0;
    font-size: 0.95rem;
  }
  .stat-item {
    text-align: center;
    padding: 30px 18px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    backdrop-filter: blur(10px);
    transition: var(--transition);
    height: 100%;
  }
  .stat-item:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateY(-4px);
  }
  .stat-item .stat-num {
    font-size: 2.3rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.2;
  }
  .stat-item .stat-label {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.8);
    margin-top: 8px;
  }

  /* ===== FAQ ===== */
  .faq-section {
    background: var(--bg-page);
  }
  .faq-wrap {
    max-width: 860px;
    margin: 0 auto;
  }
  .faq-accordion .accordion-item {
    margin-bottom: 14px;
    border: none;
    border-radius: var(--radius);
    background: transparent;
    overflow: hidden;
  }
  .faq-accordion .accordion-title {
    border-radius: var(--radius);
    padding: 18px 22px;
    background: #fff;
    border: 1px solid var(--border);
    font-weight: 600;
    color: var(--primary-deep);
    font-size: 0.98rem;
    line-height: 1.5;
    position: relative;
    display: flex;
    align-items: center;
    transition: var(--transition);
    gap: 10px;
  }
  .faq-accordion .accordion-title:hover {
    border-color: rgba(255, 191, 71, 0.6);
    box-shadow: var(--shadow-sm);
  }
  .faq-accordion .accordion-title::before {
    content: "\f059";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    color: var(--accent-2);
    font-size: 1rem;
  }
  .faq-accordion .accordion-title i {
    margin-left: auto;
    color: var(--accent-2);
    transition: var(--transition);
  }
  .faq-accordion .accordion-item.is-active .accordion-title {
    border-bottom-left-radius: 0;
    border-bottom-right-radius: 0;
    background: #fff;
    border-bottom: 0;
    color: var(--primary);
  }
  .faq-accordion .accordion-item.is-active .accordion-title i {
    transform: rotate(180deg);
  }
  .faq-accordion .accordion-content {
    border: 1px solid var(--border);
    border-top: 0;
    border-radius: 0 0 var(--radius) var(--radius);
    padding: 6px 22px 22px;
    background: #fff;
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.8;
  }

  /* ===== CTA ===== */
  .cta-section {
    position: relative;
    background: linear-gradient(120deg, rgba(255, 191, 71, 0.96), rgba(255, 159, 67, 0.92)), url('/assets/images/backpic/back-3.png') center/cover;
    padding: 84px 0;
    text-align: center;
    color: #2a1a00;
  }
  .cta-container {
    max-width: 680px;
    margin: 0 auto;
  }
  .cta-container h2 {
    font-size: 2rem;
    font-weight: 800;
    letter-spacing: -0.02em;
    margin: 0 0 12px;
  }
  .cta-container p {
    font-size: 1rem;
    color: rgba(42, 26, 0, 0.8);
    margin-bottom: 28px;
  }
  .cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
  }
  .btn-ghost-dark {
    background: #2a1a00;
    color: #fff;
  }
  .btn-ghost-dark:hover {
    background: #3d2600;
    transform: translateY(-2px);
  }

  /* ===== Footer ===== */
  .site-footer {
    background: var(--navy-deep);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 28px;
    font-size: 0.9rem;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
    gap: 40px;
    margin-bottom: 44px;
  }
  .footer-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 14px;
  }
  .footer-brand .logo-dot {
    width: 10px;
    height: 10px;
  }
  .footer-desc {
    font-size: 0.86rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.62);
    margin: 0;
    max-width: 320px;
  }
  .footer-col h4 {
    color: #fff;
    font-size: 0.95rem;
    font-weight: 700;
    margin: 0 0 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.12);
  }
  .footer-col a {
    display: flex;
    align-items: center;
    gap: 8px;
    color: rgba(255, 255, 255, 0.65);
    padding: 6px 0;
    font-size: 0.87rem;
  }
  .footer-col a:hover {
    color: var(--accent);
    padding-left: 4px;
  }
  .footer-col a i {
    color: var(--accent);
    width: 16px;
    text-align: center;
  }
  .footer-bottom {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 22px;
    font-size: 0.82rem;
    color: rgba(255, 255, 255, 0.45);
  }

  /* ===== 响应式 ===== */
  @media (max-width: 1024px) {
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 32px;
    }
    .hero-banner h1 {
      font-size: 2.4rem;
    }
  }

  @media (max-width: 900px) {
    .nav-toggle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
    }
    .main-nav {
      position: absolute;
      top: 76px;
      left: 16px;
      right: 16px;
      background: #fff;
      border-radius: var(--radius);
      box-shadow: var(--shadow-lg);
      flex-direction: column;
      align-items: stretch;
      gap: 6px;
      padding: 16px;
      max-height: 0;
      overflow: hidden;
      opacity: 0;
      transform: translateY(-10px);
      transition: max-height 0.35s ease, opacity 0.25s ease, transform 0.25s ease;
      border: 1px solid var(--border);
    }
    .main-nav.nav-open {
      max-height: 480px;
      opacity: 1;
      transform: translateY(0);
    }
    .nav-link {
      padding: 12px 16px;
    }
    .header-actions .nav-cta {
      display: none;
    }
    .hero-banner {
      padding: 90px 0 80px;
    }
    .hero-banner h1 {
      font-size: 2rem;
    }
    .hero-metrics {
      gap: 16px;
    }
    .section {
      padding: 3.6rem 0;
    }
  }

  @media (max-width: 640px) {
    .container {
      padding: 0 18px;
    }
    .brand-logo {
      font-size: 1.05rem;
    }
    .hero-banner h1 {
      font-size: 1.7rem;
    }
    .hero-desc {
      font-size: 0.95rem;
    }
    .hero-actions .btn {
      width: 100%;
    }
    .section-header h2 {
      font-size: 1.6rem;
    }
    .tier-price {
      font-size: 1.7rem;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }
    .footer-bottom {
      flex-direction: column;
      text-align: center;
    }
    .stats-header h2 {
      font-size: 1.55rem;
    }
    .stat-item .stat-num {
      font-size: 1.8rem;
    }
    .cta-container h2 {
      font-size: 1.6rem;
    }
  }

/* roulang page: category3 */
:root {
      --c-primary: #4f46e5;
      --c-primary-dark: #312e81;
      --c-primary-light: #6366f1;
      --c-accent: #fbbf24;
      --c-accent-dark: #d97706;
      --c-bg: #f6f8fc;
      --c-bg-deep: #0b1120;
      --c-bg-card: #ffffff;
      --c-text: #0b1220;
      --c-text-light: #5b6b82;
      --c-border: #e2e8f2;
      --c-success: #10b981;
      --c-danger: #ef4444;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 8px;
      --shadow-sm: 0 4px 12px rgba(15, 23, 42, 0.06);
      --shadow-md: 0 12px 32px rgba(15, 23, 42, 0.1);
      --shadow-lg: 0 24px 48px rgba(79, 70, 229, 0.16);
      --transition: all 0.3s ease;
    }
    *, *::before, *::after {
      box-sizing: border-box;
    }
    html {
      scroll-behavior: smooth;
    }
    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
      background: var(--c-bg);
      color: var(--c-text);
      line-height: 1.7;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
      margin: 0;
    }
    .grid-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 30px;
    }
    img {
      max-width: 100%;
      height: auto;
      display: block;
      border: 0;
    }
    a {
      text-decoration: none;
      color: inherit;
      transition: var(--transition);
    }
    a:hover, a:focus {
      outline: none;
    }
    ul, ol, p, h1, h2, h3, h4, h5, h6 {
      margin: 0;
      padding: 0;
      list-style: none;
    }
    button {
      border: none;
      background: none;
      cursor: pointer;
      font-family: inherit;
    }
    input, textarea, select {
      font-family: inherit;
      font-size: inherit;
    }

    /* ===== 按钮 ===== */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      font-weight: 600;
      font-size: 15px;
      line-height: 1.4;
      padding: 12px 26px;
      border-radius: 999px;
      border: 2px solid transparent;
      transition: var(--transition);
      letter-spacing: 0.02em;
      white-space: nowrap;
    }
    .btn i {
      font-size: 14px;
    }
    .btn-primary {
      background: var(--c-primary);
      color: #fff;
      box-shadow: 0 10px 24px rgba(79, 70, 229, 0.32);
    }
    .btn-primary:hover {
      background: var(--c-primary-dark);
      transform: translateY(-2px);
      box-shadow: var(--shadow-lg);
    }
    .btn-outline {
      border-color: rgba(255, 255, 255, 0.7);
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
      backdrop-filter: blur(6px);
    }
    .btn-outline:hover {
      background: rgba(255, 255, 255, 0.16);
      border-color: #fff;
      transform: translateY(-2px);
    }
    .btn-ghost {
      background: rgba(255, 255, 255, 0.12);
      color: #fff;
      border: 2px solid rgba(255, 255, 255, 0.4);
    }
    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.22);
      border-color: #fff;
      transform: translateY(-2px);
    }
    .btn-dark {
      background: var(--c-bg-deep);
      color: #fff;
    }
    .btn-dark:hover {
      background: #1e293b;
      transform: translateY(-2px);
    }
    .btn-sm {
      padding: 8px 18px;
      font-size: 14px;
    }
    .btn-lg {
      padding: 15px 36px;
      font-size: 16px;
    }
    .btn:focus-visible {
      outline: 3px solid var(--c-primary-light);
      outline-offset: 3px;
    }

    /* ===== 徽章/标签 ===== */
    .badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      padding: 5px 14px;
      border-radius: 999px;
      line-height: 1.4;
      background: rgba(79, 70, 229, 0.1);
      color: var(--c-primary);
      border: 1px solid rgba(79, 70, 229, 0.2);
    }
    .badge-hot {
      background: rgba(239, 68, 68, 0.12);
      color: #dc2626;
      border-color: rgba(239, 68, 68, 0.18);
    }
    .badge-live {
      background: rgba(16, 185, 129, 0.1);
      color: #059669;
      border-color: rgba(16, 185, 129, 0.2);
    }
    .badge-live::before {
      content: "";
      width: 8px;
      height: 8px;
      border-radius: 50%;
      background: var(--c-success);
      box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6);
      animation: pulse 1.8s infinite;
      display: inline-block;
    }
    @keyframes pulse {
      0% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0.6); }
      70% { box-shadow: 0 0 0 8px rgba(16, 185, 129, 0); }
      100% { box-shadow: 0 0 0 0 rgba(16, 185, 129, 0); }
    }

    /* ===== Header / 导航 ===== */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 100;
      background: rgba(255, 255, 255, 0.92);
      backdrop-filter: blur(16px);
      border-bottom: 1px solid var(--c-border);
      transition: var(--transition);
    }
    .site-header.scrolled {
      box-shadow: 0 8px 30px rgba(15, 23, 42, 0.08);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 76px;
      gap: 20px;
    }
    .brand-logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--c-text);
      letter-spacing: -0.02em;
      white-space: nowrap;
      flex-shrink: 0;
    }
    .logo-dot {
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: linear-gradient(135deg, var(--c-primary), var(--c-accent));
      box-shadow: 0 0 0 5px rgba(79, 70, 229, 0.14);
      flex-shrink: 0;
    }
    .brand-logo:hover .logo-dot {
      transform: rotate(360deg);
      transition: transform 0.6s ease;
    }
    .main-nav {
      display: flex;
      align-items: center;
      gap: 8px;
    }
    .nav-link {
      font-size: 15px;
      font-weight: 500;
      color: var(--c-text-light);
      padding: 9px 16px;
      border-radius: 999px;
      border: 1px solid transparent;
      transition: var(--transition);
      white-space: nowrap;
    }
    .nav-link:hover {
      color: var(--c-primary);
      background: rgba(79, 70, 229, 0.07);
    }
    .nav-link.active {
      color: var(--c-primary);
      background: rgba(79, 70, 229, 0.12);
      font-weight: 700;
      border-color: rgba(79, 70, 229, 0.16);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 14px;
      flex-shrink: 0;
    }
    .nav-toggle {
      display: none;
      width: 44px;
      height: 44px;
      align-items: center;
      justify-content: center;
      border-radius: 12px;
      background: rgba(79, 70, 229, 0.08);
      color: var(--c-primary);
      font-size: 18px;
    }
    .nav-toggle:hover {
      background: rgba(79, 70, 229, 0.16);
    }

    /* ===== Hero ===== */
    .hero {
      position: relative;
      background: var(--c-bg-deep);
      overflow: hidden;
      color: #fff;
      padding: 110px 0 100px;
    }
    .hero-bg {
      position: absolute;
      inset: 0;
      background-size: cover;
      background-position: center;
      opacity: 0.35;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(105deg, rgba(11, 17, 32, 0.92) 10%, rgba(37, 42, 92, 0.6) 50%, rgba(79, 70, 229, 0.35) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 780px;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      background: rgba(251, 191, 36, 0.16);
      border: 1px solid rgba(251, 191, 36, 0.35);
      color: #fde68a;
      font-weight: 600;
      font-size: 14px;
      padding: 8px 18px;
      border-radius: 999px;
      margin-bottom: 28px;
    }
    .hero-badge i {
      color: var(--c-accent);
    }
    .hero-title {
      font-size: 52px;
      font-weight: 800;
      line-height: 1.16;
      letter-spacing: -0.02em;
      color: #fff;
      margin-bottom: 22px;
    }
    .hero-title span {
      background: linear-gradient(120deg, #fde68a, #fbbf24);
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
    }
    .hero-desc {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, 0.78);
      max-width: 640px;
      margin-bottom: 36px;
    }
    .hero-actions {
      display: flex;
      align-items: center;
      gap: 16px;
      flex-wrap: wrap;
      margin-bottom: 44px;
    }
    .hero-meta {
      display: flex;
      align-items: center;
      gap: 48px;
      border-top: 1px solid rgba(255, 255, 255, 0.14);
      padding-top: 32px;
    }
    .hero-meta-item {
      display: flex;
      flex-direction: column;
    }
    .hero-meta-num {
      font-size: 28px;
      font-weight: 800;
      color: #fff;
      line-height: 1.3;
      letter-spacing: -0.02em;
    }
    .hero-meta-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.56);
      margin-top: 4px;
    }

    /* ===== Section 通用 ===== */
    .section {
      padding: 90px 0;
    }
    .section-head {
      text-align: center;
      max-width: 680px;
      margin: 0 auto 50px;
    }
    .section-tag {
      display: inline-block;
      font-size: 13px;
      font-weight: 700;
      color: var(--c-primary);
      letter-spacing: 0.12em;
      text-transform: uppercase;
      background: rgba(79, 70, 229, 0.08);
      padding: 7px 16px;
      border-radius: 999px;
      margin-bottom: 16px;
    }
    .section-title {
      font-size: 34px;
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--c-text);
      margin-bottom: 16px;
    }
    .section-desc {
      font-size: 16px;
      color: var(--c-text-light);
      line-height: 1.8;
    }
    .section-head.light .section-title {
      color: #fff;
    }
    .section-head.light .section-desc {
      color: rgba(255, 255, 255, 0.72);
    }
    .section-head.light .section-tag {
      background: rgba(251, 191, 36, 0.15);
      color: #fde68a;
    }

    /* ===== 数据板块 ===== */
    .stats-section {
      position: relative;
      background: var(--c-bg-deep);
      padding: 90px 0;
      overflow: hidden;
    }
    .stats-section::before {
      content: "";
      position: absolute;
      top: -120px;
      right: -80px;
      width: 380px;
      height: 380px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(79, 70, 229, 0.4), transparent 65%);
    }
    .stats-section::after {
      content: "";
      position: absolute;
      bottom: -100px;
      left: -60px;
      width: 300px;
      height: 300px;
      border-radius: 50%;
      background: radial-gradient(circle, rgba(251, 191, 36, 0.22), transparent 65%);
    }
    .stats-section .grid-container {
      position: relative;
      z-index: 2;
    }
    .stat-card {
      background: rgba(255, 255, 255, 0.06);
      border: 1px solid rgba(255, 255, 255, 0.12);
      border-radius: var(--radius-md);
      padding: 32px 22px;
      text-align: center;
      transition: var(--transition);
    }
    .stat-card:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: rgba(255, 255, 255, 0.22);
      transform: translateY(-6px);
    }
    .stat-icon {
      font-size: 32px;
      background: linear-gradient(135deg, var(--c-primary-light), var(--c-accent));
      -webkit-background-clip: text;
      background-clip: text;
      color: transparent;
      margin-bottom: 14px;
    }
    .stat-num {
      font-size: 38px;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      letter-spacing: -0.03em;
    }
    .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.6);
      margin-top: 8px;
    }

    /* ===== 活动卡片 ===== */
    .activities-section {
      background: var(--c-bg);
    }
    .activity-card {
      background: var(--c-bg-card);
      border: 1px solid var(--c-border);
      border-radius: var(--radius-lg);
      overflow: hidden;
      height: 100%;
      display: flex;
      flex-direction: column;
      transition: var(--transition);
      box-shadow: var(--shadow-sm);
    }
    .activity-card:hover {
      transform: translateY(-8px);
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.25);
    }
    .activity-img {
      position: relative;
      height: 190px;
      overflow: hidden;
      background: var(--c-bg-deep);
    }
    .activity-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.6s ease;
    }
    .activity-card:hover .activity-img img {
      transform: scale(1.05);
    }
    .activity-img::after {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(11, 17, 32, 0.05), rgba(11, 17, 32, 0.35));
    }
    .activity-icon {
      position: absolute;
      bottom: 16px;
      left: 20px;
      z-index: 2;
      width: 48px;
      height: 48px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      font-size: 20px;
      color: #fff;
      background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
      box-shadow: 0 10px 22px rgba(79, 70, 229, 0.4);
    }
    .activity-body {
      padding: 24px;
      display: flex;
      flex-direction: column;
      flex: 1;
    }
    .activity-tag {
      align-self: flex-start;
      font-size: 12px;
      font-weight: 700;
      color: var(--c-primary);
      background: rgba(79, 70, 229, 0.1);
      padding: 4px 12px;
      border-radius: 999px;
      margin-bottom: 12px;
    }
    .activity-title {
      font-size: 20px;
      font-weight: 700;
      color: var(--c-text);
      margin-bottom: 10px;
      line-height: 1.4;
    }
    .activity-desc {
      font-size: 14px;
      color: var(--c-text-light);
      line-height: 1.75;
      margin-bottom: 18px;
      flex: 1;
    }
    .activity-link {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      font-weight: 700;
      color: var(--c-primary);
    }
    .activity-link i {
      transition: transform 0.3s ease;
    }
    .activity-link:hover {
      color: var(--c-primary-dark);
    }
    .activity-link:hover i {
      transform: translateX(4px);
    }

    /* ===== 流程 ===== */
    .process-section {
      background: linear-gradient(135deg, #eef2ff 0%, #f8fafc 100%);
    }
    .step-item {
      background: #fff;
      border-radius: var(--radius-lg);
      padding: 34px 26px;
      text-align: center;
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-sm);
      height: 100%;
      position: relative;
      transition: var(--transition);
    }
    .step-item:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-md);
    }
    .step-num {
      position: absolute;
      top: 18px;
      right: 24px;
      font-size: 44px;
      font-weight: 800;
      color: rgba(79, 70, 229, 0.1);
      letter-spacing: -0.04em;
      line-height: 1;
    }
    .step-icon {
      width: 60px;
      height: 60px;
      margin: 0 auto 18px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 18px;
      font-size: 24px;
      color: #fff;
      background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
      box-shadow: 0 12px 24px rgba(79, 70, 229, 0.28);
    }
    .step-item h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--c-text);
      margin-bottom: 10px;
    }
    .step-item p {
      font-size: 14px;
      color: var(--c-text-light);
      line-height: 1.7;
    }

    /* ===== 时间表 ===== */
    .time-section {
      background: var(--c-bg-deep);
      position: relative;
      overflow: hidden;
    }
    .time-section::before {
      content: "";
      position: absolute;
      top: 0;
      left: 50%;
      transform: translateX(-50%);
      width: 600px;
      height: 1px;
      background: linear-gradient(90deg, transparent, rgba(251, 191, 36, 0.5), transparent);
    }
    .time-item {
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
      border-radius: var(--radius-md);
      padding: 28px 24px;
      height: 100%;
      transition: var(--transition);
      position: relative;
    }
    .time-item:hover {
      background: rgba(255, 255, 255, 0.09);
      border-color: rgba(255, 255, 255, 0.24);
      transform: translateY(-5px);
    }
    .time-icon {
      width: 50px;
      height: 50px;
      display: flex;
      align-items: center;
      justify-content: center;
      border-radius: 14px;
      font-size: 21px;
      color: var(--c-accent);
      background: rgba(251, 191, 36, 0.14);
      margin-bottom: 18px;
    }
    .time-title {
      font-size: 18px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .time-schedule {
      font-size: 15px;
      font-weight: 600;
      color: #fde68a;
      margin-bottom: 6px;
    }
    .time-tip {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.56);
      line-height: 1.6;
    }

    /* ===== 排行 ===== */
    .rank-section {
      background: var(--c-bg);
    }
    .rank-list {
      background: #fff;
      border-radius: var(--radius-lg);
      border: 1px solid var(--c-border);
      box-shadow: var(--shadow-sm);
      overflow: hidden;
    }
    .rank-item {
      display: flex;
      align-items: center;
      gap: 20px;
      padding: 18px 24px;
      border-bottom: 1px solid var(--c-border);
      transition: var(--transition);
    }
    .rank-item:last-child {
      border-bottom: none;
    }
    .rank-item:hover {
      background: rgba(79, 70, 229, 0.04);
    }
    .rank-num {
      font-size: 26px;
      font-weight: 800;
      color: rgba(79, 70, 229, 0.25);
      width: 52px;
      text-align: center;
      letter-spacing: -0.03em;
      flex-shrink: 0;
    }
    .rank-item:nth-child(1) .rank-num {
      color: var(--c-accent);
    }
    .rank-item:nth-child(2) .rank-num {
      color: #94a3b8;
    }
    .rank-item:nth-child(3) .rank-num {
      color: #d68b5c;
    }
    .rank-img {
      width: 76px;
      height: 56px;
      border-radius: 12px;
      object-fit: cover;
      flex-shrink: 0;
    }
    .rank-info {
      flex: 1;
      min-width: 0;
    }
    .rank-title-row {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-wrap: wrap;
    }
    .rank-title {
      font-size: 17px;
      font-weight: 700;
      color: var(--c-text);
    }
    .rank-participants {
      font-size: 13px;
      color: var(--c-text-light);
      margin-top: 5px;
    }
    .rank-participants i {
      margin-right: 6px;
      color: var(--c-primary);
    }
    .rank-item .btn {
      flex-shrink: 0;
    }

    /* ===== FAQ ===== */
    .faq-section {
      background: linear-gradient(135deg, #f8fafc 0%, #eef2ff 100%);
    }
    .faq-item {
      background: #fff;
      border: 1px solid var(--c-border);
      border-radius: var(--radius-md);
      padding: 26px;
      height: 100%;
      transition: var(--transition);
    }
    .faq-item:hover {
      box-shadow: var(--shadow-md);
      border-color: rgba(79, 70, 229, 0.22);
      transform: translateY(-4px);
    }
    .faq-q {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      font-size: 17px;
      font-weight: 700;
      color: var(--c-text);
      margin-bottom: 12px;
      line-height: 1.5;
    }
    .faq-q-marker {
      background: var(--c-primary);
      color: #fff;
      font-size: 12px;
      font-weight: 700;
      border-radius: 8px;
      padding: 4px 9px;
      flex-shrink: 0;
      letter-spacing: 0.04em;
    }
    .faq-a {
      font-size: 14px;
      color: var(--c-text-light);
      line-height: 1.75;
      padding-left: 40px;
    }

    /* ===== CTA ===== */
    .cta-section {
      padding: 90px 0;
    }
    .cta-box {
      position: relative;
      background: linear-gradient(120deg, #312e81 0%, #4f46e5 55%, #6d28d9 100%);
      border-radius: var(--radius-lg);
      padding: 70px 56px;
      text-align: center;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }
    .cta-box::before {
      content: "";
      position: absolute;
      top: -80px;
      right: -80px;
      width: 260px;
      height: 260px;
      border-radius: 50%;
      background: rgba(251, 191, 36, 0.2);
    }
    .cta-box::after {
      content: "";
      position: absolute;
      bottom: -100px;
      left: -60px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.08);
    }
    .cta-box .cta-title, .cta-box .cta-desc, .cta-box .cta-actions {
      position: relative;
      z-index: 2;
    }
    .cta-title {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
      letter-spacing: -0.02em;
    }
    .cta-desc {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.82);
      max-width: 560px;
      margin: 0 auto 26px;
      line-height: 1.7;
    }
    .cta-actions {
      display: flex;
      align-items: center;
      justify-content: center;
      gap: 16px;
      flex-wrap: wrap;
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--c-bg-deep);
      color: #cbd5e1;
      padding: 64px 0 30px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
      gap: 36px;
      padding-bottom: 46px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.1);
      margin-bottom: 28px;
    }
    .footer-brand {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 19px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 16px;
    }
    .footer-desc {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.62);
      line-height: 1.75;
      max-width: 340px;
    }
    .footer-col {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .footer-col h4 {
      font-size: 16px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 8px;
    }
    .footer-col a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.64);
      line-height: 1.6;
      display: inline-flex;
      align-items: center;
      gap: 8px;
    }
    .footer-col a:hover {
      color: var(--c-accent);
    }
    .footer-bottom {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.42);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
      .hero-title {
        font-size: 42px;
      }
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
      .main-nav {
        gap: 4px;
      }
      .nav-link {
        padding: 8px 12px;
        font-size: 14px;
      }
    }
    @media (max-width: 768px) {
      .section {
        padding: 64px 0;
      }
      .main-nav {
        position: fixed;
        top: 76px;
        left: 0;
        right: 0;
        background: rgba(255, 255, 255, 0.98);
        border-bottom: 1px solid var(--c-border);
        padding: 16px;
        display: none;
        flex-direction: column;
        align-items: stretch;
        box-shadow: 0 20px 40px rgba(15, 23, 42, 0.12);
        border-radius: 0 0 20px 20px;
      }
      .site-header.nav-open .main-nav {
        display: flex;
      }
      .nav-toggle {
        display: inline-flex;
      }
      .header-inner {
        height: 64px;
      }
      .main-nav {
        top: 64px;
      }
      .nav-link {
        padding: 13px 18px;
        border-radius: 14px;
        font-size: 15px;
      }
      .nav-cta {
        display: none;
      }
      .hero-title {
        font-size: 34px;
      }
      .hero-desc {
        font-size: 15px;
      }
      .hero-meta {
        gap: 28px;
        flex-wrap: wrap;
      }
      .hero-meta-num {
        font-size: 24px;
      }
      .section-title {
        font-size: 28px;
      }
      .cta-box {
        padding: 48px 28px;
      }
      .cta-title {
        font-size: 26px;
      }
    }
    @media (max-width: 639px) {
      .grid-container {
        padding: 0 18px;
      }
      .section {
        padding: 52px 0;
      }
      .hero {
        padding: 70px 0 64px;
      }
      .hero-title {
        font-size: 30px;
      }
      .hero-actions {
        gap: 12px;
      }
      .hero-meta {
        gap: 20px;
      }
      .activity-img {
        height: 160px;
      }
      .step-item {
        padding: 28px 20px;
      }
      .rank-item {
        flex-wrap: wrap;
        gap: 14px;
        padding: 16px 18px;
      }
      .rank-img {
        width: 56px;
        height: 48px;
      }
      .rank-num {
        width: 36px;
        font-size: 22px;
      }
      .rank-item .btn {
        width: 100%;
      }
      .faq-q {
        font-size: 15px;
      }
      .faq-a {
        padding-left: 0;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 30px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
      }
    }
    @media (max-width: 520px) {
      .brand-logo {
        font-size: 17px;
      }
      .logo-dot {
        width: 10px;
        height: 10px;
      }
      .hero-title {
        font-size: 26px;
      }
      .hero-meta-num {
        font-size: 20px;
      }
      .section-title {
        font-size: 24px;
      }
    }