/* roulang page: index */
:root{
      --bg:#0b0713;
      --bg-2:#130d24;
      --panel:#1b1230;
      --panel-2:#241844;
      --panel-soft:rgba(255,255,255,.075);
      --text:#f6f1ff;
      --muted:#b9aed2;
      --weak:#8c82a6;
      --primary:#8b5cf6;
      --primary-2:#22d3ee;
      --accent:#f6c453;
      --rose:#fb7185;
      --border:rgba(255,255,255,.14);
      --border-2:rgba(139,92,246,.36);
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --shadow-soft:0 16px 42px rgba(10,7,20,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(124,58,237,.34), transparent 34%),
        radial-gradient(circle at 80% 14%, rgba(34,211,238,.18), transparent 31%),
        radial-gradient(circle at 48% 88%, rgba(246,196,83,.13), transparent 32%),
        linear-gradient(180deg,#090612 0%,#130d24 48%,#0b0713 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.82), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(139,92,246,.55);color:#fff}
    .site-container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;z-index:999;
      padding:10px 14px;border-radius:12px;background:#fff;color:#1b1230;
    }
    .skip-link:focus{left:14px;outline:3px solid var(--accent)}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg, rgba(13,8,25,.92), rgba(13,8,25,.72));
      border-bottom:1px solid var(--border);
      box-shadow:0 16px 40px rgba(0,0,0,.22);
    }
    .brand-row{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:13px;
      min-width:0;
      font-weight:900;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      color:#12091f;font-weight:950;
      background:
        radial-gradient(circle at 35% 25%, #fff 0 9%, transparent 10%),
        linear-gradient(135deg,var(--accent),var(--primary-2) 48%,var(--primary));
      box-shadow:0 0 0 1px rgba(255,255,255,.32) inset,0 16px 36px rgba(124,58,237,.34);
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }
    .brand-text strong{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{font-size:12px;color:var(--muted);margin-top:5px}
    .header-tools{
      display:flex;align-items:center;justify-content:flex-end;gap:14px;
      flex:1;
    }
    .search-box{
      position:relative;
      width:min(360px, 42vw);
    }
    .search-box input{
      width:100%;
      border:1px solid var(--border);
      outline:none;
      color:var(--text);
      background:rgba(255,255,255,.075);
      border-radius:999px;
      padding:12px 46px 12px 18px;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .search-box input:focus{
      border-color:rgba(34,211,238,.65);
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
      background:rgba(255,255,255,.1);
    }
    .search-box .search-icon{
      position:absolute;right:16px;top:50%;transform:translateY(-50%);
      color:var(--muted);font-size:15px;
    }
    .mobile-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.08);
      color:#fff;
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .mobile-toggle:hover{transform:translateY(-1px);border-color:var(--border-2);background:rgba(139,92,246,.15)}
    .channel-row{
      border-top:1px solid rgba(255,255,255,.08);
    }
    .channel-nav{
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .channel-links{
      display:flex;
      align-items:center;
      gap:10px;
      overflow:auto;
      scrollbar-width:none;
    }
    .channel-links::-webkit-scrollbar{display:none}
    .channel-link{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:9px 15px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid transparent;
      transition:color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
      font-size:14px;
      font-weight:700;
    }
    .channel-link:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:var(--border);
      transform:translateY(-1px);
    }
    .channel-link.active{
      color:#12091f;
      background:linear-gradient(135deg,var(--accent),#fff0a6);
      box-shadow:0 10px 28px rgba(246,196,83,.18);
    }
    .header-cta{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:9px 16px;
      font-size:14px;
      font-weight:800;
      color:#fff;
      background:linear-gradient(135deg,rgba(139,92,246,.95),rgba(34,211,238,.78));
      border:1px solid rgba(255,255,255,.18);
      transition:transform .2s ease, filter .2s ease, box-shadow .2s ease;
    }
    .header-cta:hover{transform:translateY(-1px);filter:saturate(1.08);box-shadow:0 14px 34px rgba(34,211,238,.14)}
    .section{position:relative;padding:78px 0}
    .section-tight{padding:58px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      border:1px solid rgba(246,196,83,.34);
      color:#ffe7a3;
      background:rgba(246,196,83,.1);
      border-radius:999px;
      padding:7px 12px;
      font-weight:800;
      font-size:13px;
      letter-spacing:.04em;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,4vw,46px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--muted);
      max-width:720px;
      font-size:16px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:999px;
      padding:13px 20px;
      min-height:48px;
      border:1px solid transparent;
      font-weight:900;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn:focus-visible,.channel-link:focus-visible,.header-cta:focus-visible,input:focus-visible,textarea:focus-visible,button:focus-visible,a:focus-visible{
      outline:3px solid rgba(34,211,238,.36);
      outline-offset:3px;
    }
    .btn-primary{
      color:#130d24;
      background:linear-gradient(135deg,#fff3b0,var(--accent) 42%,#ff9f6e);
      box-shadow:0 18px 42px rgba(246,196,83,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 24px 58px rgba(246,196,83,.28)}
    .btn-secondary{
      color:#fff;
      background:rgba(255,255,255,.075);
      border-color:var(--border);
    }
    .btn-secondary:hover{transform:translateY(-2px);background:rgba(255,255,255,.12);border-color:rgba(34,211,238,.4)}
    .btn-ghost{
      color:#dcd3f6;
      background:transparent;
      border-color:rgba(255,255,255,.16);
    }
    .btn-ghost:hover{color:#fff;background:rgba(139,92,246,.14);transform:translateY(-1px)}
    .hero{
      padding:78px 0 66px;
      overflow:hidden;
    }
    .hero-stage{
      position:relative;
      border:1px solid rgba(255,255,255,.16);
      border-radius:36px;
      padding:30px;
      background:
        linear-gradient(135deg,rgba(139,92,246,.30),rgba(34,211,238,.08) 42%,rgba(246,196,83,.10)),
        rgba(255,255,255,.055);
      box-shadow:var(--shadow);
      overflow:hidden;
    }
    .hero-stage::before{
      content:"";
      position:absolute;inset:-2px;
      background:
        radial-gradient(circle at 18% 22%, rgba(255,255,255,.20), transparent 22%),
        radial-gradient(circle at 85% 14%, rgba(34,211,238,.20), transparent 24%),
        linear-gradient(120deg, transparent 0 40%, rgba(255,255,255,.07) 50%, transparent 60%);
      pointer-events:none;
    }
    .hero-bento{
      position:relative;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-copy{
      min-height:520px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      border-radius:30px;
      padding:42px;
      background:
        linear-gradient(180deg,rgba(11,7,19,.66),rgba(11,7,19,.38)),
        radial-gradient(circle at 20% 20%,rgba(246,196,83,.16),transparent 34%);
      border:1px solid rgba(255,255,255,.12);
    }
    .hero h1{
      margin:18px 0 0;
      font-size:clamp(38px,6vw,76px);
      line-height:.98;
      letter-spacing:-.065em;
      font-weight:1000;
      max-width:820px;
    }
    .gradient-text{
      background:linear-gradient(135deg,#fff 0%,#ffe6a3 28%,#a5f3fc 64%,#c4b5fd 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-intro{
      color:#ddd4f4;
      max-width:760px;
      margin:20px 0 0;
      font-size:18px;
      line-height:1.85;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-metrics{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      margin-top:34px;
    }
    .metric-pill{
      border-radius:20px;
      padding:17px;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.14);
    }
    .metric-pill strong{
      display:block;
      font-size:26px;
      line-height:1;
      color:#fff;
      font-weight:1000;
    }
    .metric-pill span{
      display:block;
      margin-top:8px;
      color:var(--muted);
      font-size:13px;
    }
    .feature-poster{
      position:relative;
      min-height:520px;
      display:flex;
      flex-direction:column;
      gap:16px;
    }
    .poster-card{
      flex:1;
      border-radius:30px;
      padding:26px;
      background:
        radial-gradient(circle at 80% 20%, rgba(34,211,238,.22), transparent 30%),
        linear-gradient(180deg,rgba(36,24,68,.92),rgba(20,13,38,.86));
      border:1px solid rgba(255,255,255,.15);
      overflow:hidden;
    }
    .poster-card .poster-art{
      height:210px;
      border-radius:24px;
      position:relative;
      overflow:hidden;
      background:
        radial-gradient(circle at 30% 32%, rgba(255,255,255,.32), transparent 11%),
        radial-gradient(circle at 65% 40%, rgba(34,211,238,.34), transparent 18%),
        linear-gradient(135deg,#2e1065,#7c3aed 48%,#0f766e);
      box-shadow:0 20px 50px rgba(0,0,0,.25);
    }
    .poster-card .poster-art::after{
      content:"";
      position:absolute;
      inset:20px;
      border:1px solid rgba(255,255,255,.24);
      border-radius:20px;
      background:
        linear-gradient(90deg, transparent 0 22%, rgba(255,255,255,.12) 22% 23%, transparent 23% 48%, rgba(255,255,255,.10) 48% 49%, transparent 49%),
        linear-gradient(180deg, transparent 0 64%, rgba(0,0,0,.22));
    }
    .poster-meta{
      margin-top:22px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.15);
      background:rgba(255,255,255,.075);
      color:#e9ddff;
      font-size:13px;
      font-weight:750;
    }
    .poster-card h2{
      margin:18px 0 8px;
      font-size:26px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .poster-card p{margin:0;color:var(--muted)}
    .mini-panel{
      border-radius:26px;
      padding:20px;
      border:1px solid rgba(246,196,83,.22);
      background:linear-gradient(135deg,rgba(246,196,83,.12),rgba(255,255,255,.06));
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
    }
    .mini-panel strong{display:block;font-size:18px}
    .mini-panel span{display:block;color:var(--muted);font-size:13px;margin-top:3px}
    .orb{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      color:#12091f;font-weight:950;
      background:linear-gradient(135deg,var(--accent),#a5f3fc);
      box-shadow:0 14px 34px rgba(34,211,238,.18);
      flex:0 0 auto;
    }
    .pain-line{
      margin-top:18px;
      padding:14px 16px;
      border-radius:18px;
      background:rgba(251,113,133,.09);
      border:1px solid rgba(251,113,133,.22);
      color:#ffd6df;
      font-weight:750;
    }
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
    .card{
      position:relative;
      border-radius:var(--radius-xl);
      background:
        linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.045));
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:transform .24s ease, border-color .24s ease, box-shadow .24s ease, background .24s ease;
    }
    .card:hover{
      transform:translateY(-5px);
      border-color:rgba(34,211,238,.35);
      box-shadow:0 28px 70px rgba(0,0,0,.34);
      background:linear-gradient(180deg,rgba(255,255,255,.105),rgba(255,255,255,.055));
    }
    .value-card{padding:26px}
    .value-icon{
      width:54px;height:54px;border-radius:18px;
      display:grid;place-items:center;
      margin-bottom:22px;
      background:linear-gradient(135deg,rgba(139,92,246,.85),rgba(34,211,238,.72));
      box-shadow:0 18px 42px rgba(139,92,246,.22);
      font-size:23px;
    }
    .value-card h3,.demo-card h3,.topic-card h3,.quote-card h3,.guide-card h3,.faq-item h3{
      margin:0;
      font-size:21px;
      font-weight:950;
      letter-spacing:-.025em;
    }
    .value-card p,.demo-card p,.topic-card p,.quote-card p,.guide-card p{
      margin:12px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:6px 10px;
      border-radius:999px;
      background:rgba(34,211,238,.11);
      border:1px solid rgba(34,211,238,.28);
      color:#a5f3fc;
      font-size:12px;
      font-weight:900;
    }
    .demo-wrap{
      display:grid;
      grid-template-columns:.92fr 1.08fr;
      gap:22px;
      align-items:stretch;
    }
    .demo-panel{
      padding:30px;
      border-radius:34px;
      background:
        radial-gradient(circle at 20% 20%,rgba(246,196,83,.14),transparent 30%),
        linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.042));
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .demo-panel .list{
      display:grid;
      gap:13px;
      margin-top:22px;
    }
    .check-row{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:14px;
      border-radius:18px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
    }
    .check{
      width:26px;height:26px;border-radius:9px;
      display:grid;place-items:center;
      flex:0 0 auto;
      color:#102020;
      background:linear-gradient(135deg,#a7f3d0,#22d3ee);
      font-weight:950;
      margin-top:2px;
    }
    .check-row strong{display:block}
    .check-row span{display:block;color:var(--muted);font-size:14px;margin-top:3px}
    .demo-card{
      padding:24px;
      min-height:180px;
    }
    .demo-grid{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
    }
    .demo-art{
      height:112px;
      border-radius:22px;
      margin-bottom:18px;
      border:1px solid rgba(255,255,255,.13);
      background:
        linear-gradient(135deg,rgba(139,92,246,.65),rgba(34,211,238,.25)),
        repeating-linear-gradient(90deg,rgba(255,255,255,.11) 0 2px,transparent 2px 15px);
      position:relative;
      overflow:hidden;
    }
    .demo-art::after{
      content:"";
      position:absolute;inset:auto 16px 16px 16px;height:10px;
      border-radius:999px;
      background:linear-gradient(90deg,var(--accent),rgba(255,255,255,.16));
      box-shadow:0 -34px 0 rgba(255,255,255,.08),0 -62px 0 rgba(255,255,255,.06);
    }
    .topic-band{
      border-radius:34px;
      padding:26px;
      background:
        linear-gradient(135deg,rgba(139,92,246,.18),rgba(34,211,238,.08)),
        rgba(255,255,255,.05);
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .topic-strip{
      display:grid;
      gap:14px;
    }
    .topic-row{
      display:grid;
      grid-template-columns:160px 1fr auto;
      gap:18px;
      align-items:center;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.1);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .topic-row:hover{transform:translateX(4px);border-color:rgba(246,196,83,.28);background:rgba(255,255,255,.085)}
    .topic-row .topic-name{font-size:19px;font-weight:950}
    .topic-row p{margin:0;color:var(--muted)}
    .topic-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
    .trust-board{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:22px;
      align-items:stretch;
    }
    .data-wall{
      padding:30px;
      border-radius:34px;
      border:1px solid var(--border);
      background:
        radial-gradient(circle at 80% 20%,rgba(246,196,83,.18),transparent 28%),
        linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.04));
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
      box-shadow:var(--shadow-soft);
    }
    .data-box{
      padding:22px;
      border-radius:24px;
      background:rgba(11,7,19,.38);
      border:1px solid rgba(255,255,255,.12);
    }
    .data-box strong{
      display:block;
      font-size:34px;
      line-height:1;
      color:#fff;
      font-weight:1000;
      letter-spacing:-.04em;
    }
    .data-box span{
      display:block;
      color:var(--muted);
      margin-top:10px;
      font-size:14px;
    }
    .quote-stack{display:grid;gap:16px}
    .quote-card{padding:24px}
    .quote-card blockquote{
      margin:14px 0 0;
      color:#ddd4f4;
      font-size:15px;
    }
    .media-scroller{
      display:flex;
      gap:18px;
      overflow:auto;
      padding:4px 4px 18px;
      scroll-snap-type:x mandatory;
      scrollbar-color:rgba(139,92,246,.6) rgba(255,255,255,.08);
    }
    .media-card{
      flex:0 0 320px;
      scroll-snap-align:start;
      padding:20px;
    }
    .media-thumb{
      height:148px;
      border-radius:24px;
      margin-bottom:18px;
      background:
        radial-gradient(circle at 35% 35%,rgba(255,255,255,.28),transparent 12%),
        linear-gradient(135deg,#1e1b4b,#7c3aed 52%,#164e63);
      border:1px solid rgba(255,255,255,.14);
      position:relative;
      overflow:hidden;
    }
    .media-thumb::before{
      content:"";
      position:absolute;
           inset:18px;
      border-radius:18px;
      border:1px solid rgba(255,255,255,.18);
      background:linear-gradient(180deg,transparent 0 52%,rgba(0,0,0,.24));
    }
    .media-card h3{
      margin:0;
      font-size:19px;
      font-weight:950;
      letter-spacing:-.025em;
    }
    .media-card p{margin:10px 0 0;color:var(--muted);font-size:14px}
    .news-layout{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:22px;
      align-items:start;
    }
    .news-list{
      display:grid;
      gap:14px;
    }
    .news-item{
      display:grid;
      grid-template-columns:1fr auto;
      gap:16px;
      padding:18px;
      border-radius:22px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.11);
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .news-item:hover{
      transform:translateY(-2px);
      border-color:rgba(34,211,238,.32);
      background:rgba(255,255,255,.09);
    }
    .news-item h3{
      margin:0;
      font-size:18px;
      line-height:1.4;
      font-weight:950;
    }
    .news-item p{
      margin:8px 0 0;
      color:var(--muted);
      font-size:14px;
      display:-webkit-box;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
      overflow:hidden;
    }
    .news-meta{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-top:12px;
      color:var(--weak);
      font-size:12px;
    }
    .news-arrow{
      width:38px;height:38px;border-radius:14px;
      display:grid;place-items:center;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.12);
      color:#fff;
      transition:background .2s ease, transform .2s ease;
    }
    .news-item:hover .news-arrow{background:rgba(34,211,238,.16);transform:translateX(2px)}
    .empty-news{
      padding:24px;
      border-radius:22px;
      color:var(--muted);
      background:rgba(255,255,255,.06);
      border:1px dashed rgba(255,255,255,.22);
    }
    .recommend-panel{
      position:sticky;
      top:144px;
      padding:26px;
      border-radius:30px;
      background:
        radial-gradient(circle at 86% 18%,rgba(246,196,83,.16),transparent 26%),
        linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.045));
      border:1px solid var(--border);
      box-shadow:var(--shadow-soft);
    }
    .recommend-panel h3{
      margin:0;
      font-size:22px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .recommend-panel p{margin:10px 0 0;color:var(--muted)}
    .rank-list{display:grid;gap:12px;margin-top:20px}
    .rank-item{
      display:flex;
      gap:12px;
      align-items:flex-start;
      padding:12px;
      border-radius:18px;
      background:rgba(11,7,19,.28);
      border:1px solid rgba(255,255,255,.10);
    }
    .rank-num{
      width:30px;height:30px;border-radius:11px;
      flex:0 0 auto;
      display:grid;place-items:center;
      color:#12091f;
      background:linear-gradient(135deg,var(--accent),#a5f3fc);
      font-weight:950;
    }
    .rank-item strong{display:block;font-size:15px}
    .rank-item span{display:block;margin-top:3px;color:var(--muted);font-size:13px}
    .guide-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:22px;
      align-items:stretch;
    }
    .guide-card{padding:26px}
    .steps{
      counter-reset:step;
      display:grid;
      gap:14px;
    }
    .step-item{
      counter-increment:step;
      position:relative;
      padding:18px 18px 18px 64px;
      border-radius:22px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.11);
    }
    .step-item::before{
      content:counter(step);
      position:absolute;
      left:18px;top:18px;
      width:32px;height:32px;border-radius:12px;
      display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary-2));
      color:#fff;
      font-weight:950;
    }
    .step-item strong{display:block;font-size:17px}
    .step-item span{display:block;color:var(--muted);font-size:14px;margin-top:4px}
    .faq-list{
      display:grid;
      gap:14px;
    }
    .faq-item{
      padding:22px;
      border-radius:24px;
      background:rgba(255,255,255,.065);
      border:1px solid rgba(255,255,255,.11);
    }
    .faq-item p{
      margin:10px 0 0;
      color:var(--muted);
      font-size:15px;
    }
    .cta-panel{
      display:grid;
      grid-template-columns:1fr 430px;
      gap:24px;
      align-items:stretch;
      border-radius:36px;
      padding:30px;
      background:
        radial-gradient(circle at 12% 18%,rgba(246,196,83,.18),transparent 30%),
        radial-gradient(circle at 82% 20%,rgba(34,211,238,.18),transparent 30%),
        linear-gradient(135deg,rgba(139,92,246,.28),rgba(255,255,255,.055));
      border:1px solid rgba(255,255,255,.16);
      box-shadow:var(--shadow);
    }
    .cta-copy{
      padding:22px;
      display:flex;
      flex-direction:column;
      justify-content:center;
    }
    .cta-copy h2{
      margin:14px 0 0;
      font-size:clamp(30px,4.5vw,54px);
      line-height:1.08;
      letter-spacing:-.05em;
      font-weight:1000;
    }
    .cta-copy p{
      margin:16px 0 0;
      color:#ddd4f4;
      max-width:760px;
    }
    .contact-form{
      padding:24px;
      border-radius:30px;
      background:rgba(11,7,19,.48);
      border:1px solid rgba(255,255,255,.14);
    }
    .form-grid{display:grid;gap:14px}
    .field label{
      display:block;
      margin-bottom:7px;
      color:#e9ddff;
      font-size:14px;
      font-weight:800;
    }
    .field input,.field textarea{
      width:100%;
      border:1px solid rgba(255,255,255,.14);
      border-radius:16px;
      background:rgba(255,255,255,.075);
      color:#fff;
      outline:none;
      padding:13px 14px;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .field textarea{min-height:112px;resize:vertical}
    .field input::placeholder,.field textarea::placeholder{color:#8f84a7}
    .field input:focus,.field textarea:focus{
      border-color:rgba(34,211,238,.55);
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
      background:rgba(255,255,255,.1);
    }
    .form-note{
      color:var(--weak);
      font-size:12px;
      margin:10px 0 0;
    }
    .site-footer{
      padding:50px 0 32px;
      border-top:1px solid rgba(255,255,255,.12);
      background:linear-gradient(180deg,rgba(11,7,19,.2),rgba(5,3,10,.74));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .footer-brand p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:650px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      padding:9px 13px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.04);
      transition:color .2s ease, background .2s ease, transform .2s ease;
      font-weight:750;
      font-size:14px;
    }
    .footer-links a:hover{color:#fff;background:rgba(255,255,255,.09);transform:translateY(-1px)}
    .copyright{
      margin-top:32px;
      padding-top:22px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }
    .float-cta{
      position:fixed;
      right:20px;
      bottom:20px;
      z-index:40;
      display:flex;
      align-items:center;
      gap:10px;
      padding:12px 16px;
      border-radius:999px;
      color:#12091f;
      background:linear-gradient(135deg,#fff3b0,var(--accent));
      box-shadow:0 18px 42px rgba(0,0,0,.34);
      font-weight:950;
      border:1px solid rgba(255,255,255,.42);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .float-cta:hover{transform:translateY(-2px);box-shadow:0 24px 56px rgba(0,0,0,.42)}
    @media (max-width:1024px){
      .hero-bento,.demo-wrap,.trust-board,.news-layout,.guide-wrap,.cta-panel{grid-template-columns:1fr}
      .hero-copy,.feature-poster{min-height:auto}
      .recommend-panel{position:relative;top:auto}
      .data-wall{grid-template-columns:repeat(2,minmax(0,1fr))}
      .topic-row{grid-template-columns:1fr}
      .section{padding:64px 0}
    }
    @media (max-width:768px){
      .site-container{width:min(100% - 28px,var(--container))}
      .brand-row{min-height:68px}
      .brand-text span{display:none}
      .header-tools{gap:10px}
      .search-box{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .channel-row{display:none}
      .site-header.open .channel-row{display:block}
      .channel-nav{align-items:stretch;flex-direction:column;padding:12px 0}
      .channel-links{width:100%;padding-bottom:4px}
      .header-cta{width:100%;justify-content:center}
      .hero{padding:42px 0 46px}
      .hero-stage{border-radius:26px;padding:16px}
      .hero-copy{padding:26px;border-radius:24px}
      .hero-metrics,.grid-3,.grid-2,.demo-grid{grid-template-columns:1fr}
      .poster-card .poster-art{height:170px}
      .section-head{align-items:flex-start;flex-direction:column}
      .news-item{grid-template-columns:1fr}
      .news-arrow{display:none}
      .cta-panel{padding:16px;border-radius:28px}
      .cta-copy{padding:14px}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .brand-text strong{font-size:15px;max-width:220px}
      .hero h1{font-size:38px}
      .hero-intro{font-size:16px}
      .hero-actions .btn{width:100%}
      .metric-pill strong{font-size:24px}
      .data-wall{grid-template-columns:1fr}
      .media-card{flex-basis:84vw}
      .float-cta{left:14px;right:14px;justify-content:center;bottom:14px}
      .site-footer{padding-bottom:86px}
    }

/* roulang page: article */
:root{
      --bg:#0b0713;
      --bg-2:#130d24;
      --panel:#1b1230;
      --panel-2:#241844;
      --panel-soft:rgba(255,255,255,.075);
      --text:#f6f1ff;
      --muted:#b9aed2;
      --weak:#8c82a6;
      --primary:#8b5cf6;
      --primary-2:#22d3ee;
      --accent:#f6c453;
      --rose:#fb7185;
      --border:rgba(255,255,255,.14);
      --border-2:rgba(139,92,246,.36);
      --shadow:0 24px 80px rgba(0,0,0,.42);
      --shadow-soft:0 16px 42px rgba(10,7,20,.28);
      --radius-xl:28px;
      --radius-lg:22px;
      --radius-md:16px;
      --radius-sm:12px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(124,58,237,.34), transparent 34%),
        radial-gradient(circle at 80% 14%, rgba(34,211,238,.18), transparent 31%),
        radial-gradient(circle at 48% 88%, rgba(246,196,83,.13), transparent 32%),
        linear-gradient(180deg,#090612 0%,#130d24 48%,#0b0713 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.22;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:46px 46px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.82), transparent 78%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input,textarea{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(139,92,246,.55);color:#fff}

    .site-container{width:min(var(--container), calc(100% - 40px));margin-inline:auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(18px);
      background:linear-gradient(180deg, rgba(13,8,25,.92), rgba(13,8,25,.72));
      border-bottom:1px solid var(--border);
      box-shadow:0 16px 40px rgba(0,0,0,.22);
    }
    .brand-row{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .brand{
      display:flex;
      align-items:center;
      gap:13px;
      min-width:0;
      font-weight:900;
      letter-spacing:.02em;
    }
    .brand-mark{
      width:44px;height:44px;border-radius:16px;
      display:grid;place-items:center;
      color:#12091f;font-weight:950;
      background:
        radial-gradient(circle at 35% 25%, #fff 0 9%, transparent 10%),
        linear-gradient(135deg,var(--accent),var(--primary-2) 48%,var(--primary));
      box-shadow:0 0 0 1px rgba(255,255,255,.32) inset,0 16px 36px rgba(124,58,237,.34);
      flex:0 0 auto;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      line-height:1.1;
      min-width:0;
    }
    .brand-text strong{
      font-size:18px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .brand-text span{font-size:12px;color:var(--muted);margin-top:5px}
    .header-tools{
      display:flex;align-items:center;justify-content:flex-end;gap:14px;
      flex:1;
    }
    .search-box{
      position:relative;
      width:min(360px, 42vw);
    }
    .search-box input{
      width:100%;
      border:1px solid var(--border);
      outline:none;
      color:var(--text);
      background:rgba(255,255,255,.075);
      border-radius:999px;
      padding:12px 46px 12px 18px;
      transition:border-color .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .search-box input::placeholder{color:rgba(185,174,210,.72)}
    .search-box input:focus{
      border-color:rgba(34,211,238,.65);
      box-shadow:0 0 0 4px rgba(34,211,238,.12);
      background:rgba(255,255,255,.1);
    }
    .search-box .search-icon{
      position:absolute;right:16px;top:50%;transform:translateY(-50%);
      color:var(--muted);font-size:15px;
    }
    .mobile-toggle{
      display:none;
      width:44px;height:44px;border-radius:14px;
      border:1px solid var(--border);
      background:rgba(255,255,255,.08);
      color:#fff;
      transition:transform .2s ease, border-color .2s ease, background .2s ease;
    }
    .mobile-toggle:hover{transform:translateY(-1px);border-color:var(--border-2);background:rgba(139,92,246,.15)}
    .mobile-toggle:focus-visible,
    .channel-link:focus-visible,
    .header-cta:focus-visible,
    .btn:focus-visible,
    .footer-links a:focus-visible{
      outline:3px solid rgba(34,211,238,.38);
      outline-offset:3px;
    }
    .channel-row{border-top:1px solid rgba(255,255,255,.08)}
    .channel-nav{
      min-height:48px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .channel-links{
      display:flex;
      align-items:center;
      gap:8px;
      overflow-x:auto;
      scrollbar-width:none;
      -webkit-overflow-scrolling:touch;
    }
    .channel-links::-webkit-scrollbar{display:none}
    .channel-link{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:999px;
      padding:8px 14px;
      color:var(--muted);
      font-size:14px;
      font-weight:800;
      border:1px solid transparent;
      transition:color .2s ease, background .2s ease, border-color .2s ease, transform .2s ease;
    }
    .channel-link:hover{
      color:#fff;
      background:rgba(255,255,255,.08);
      border-color:rgba(255,255,255,.13);
      transform:translateY(-1px);
    }
    .channel-link.active{
      color:#12091f;
      background:linear-gradient(135deg,var(--accent),var(--primary-2));
      border-color:rgba(255,255,255,.28);
      box-shadow:0 10px 26px rgba(34,211,238,.16);
    }
    .header-cta{
      flex:0 0 auto;
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      padding:9px 16px;
      font-size:14px;
      font-weight:800;
      color:#fff;
      background:linear-gradient(135deg,rgba(139,92,246,.95),rgba(34,211,238,.78));
      border:1px solid rgba(255,255,255,.18);
      transition:transform .2s ease, filter .2s ease, box-shadow .2s ease;
    }
    .header-cta:hover{transform:translateY(-1px);filter:saturate(1.08);box-shadow:0 14px 34px rgba(34,211,238,.14)}

    .section{position:relative;padding:78px 0}
    .section-tight{padding:58px 0}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:28px;
      margin-bottom:28px;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      width:max-content;
      border:1px solid rgba(246,196,83,.34);
      color:#ffe7a3;
      background:rgba(246,196,83,.1);
      border-radius:999px;
      padding:7px 12px;
      font-weight:800;
      font-size:13px;
      letter-spacing:.04em;
    }
    .section-title{
      margin:12px 0 0;
      font-size:clamp(28px,4vw,46px);
      line-height:1.12;
      letter-spacing:-.04em;
      font-weight:950;
    }
    .section-desc{
      margin:12px 0 0;
      color:var(--muted);
      max-width:720px;
      font-size:16px;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      border-radius:999px;
      padding:13px 20px;
      min-height:48px;
      border:1px solid transparent;
      font-weight:900;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn-primary{
      color:#11091f;
      background:linear-gradient(135deg,var(--accent),var(--primary-2));
      box-shadow:0 16px 42px rgba(34,211,238,.16);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 22px 54px rgba(34,211,238,.22)}
    .btn-ghost{
      color:#fff;
      border-color:var(--border);
      background:rgba(255,255,255,.07);
    }
    .btn-ghost:hover{transform:translateY(-2px);background:rgba(139,92,246,.16);border-color:var(--border-2)}

    .article-hero{
      padding:58px 0 34px;
      position:relative;
    }
    .article-shell{
      border:1px solid var(--border);
      border-radius:var(--radius-xl);
      background:
        linear-gradient(135deg,rgba(139,92,246,.20),rgba(34,211,238,.08) 46%,rgba(246,196,83,.07)),
        rgba(27,18,48,.78);
      box-shadow:var(--shadow);
      overflow:hidden;
      position:relative;
    }
    .article-shell::before{
      content:"";
      position:absolute;
      inset:-1px;
      background:
        radial-gradient(circle at 18% 18%, rgba(246,196,83,.18), transparent 28%),
        radial-gradient(circle at 86% 32%, rgba(34,211,238,.17), transparent 26%),
        linear-gradient(90deg, transparent, rgba(255,255,255,.06), transparent);
      pointer-events:none;
    }
    .article-hero-inner{
      position:relative;
      padding:42px;
      display:grid;
      grid-template-columns:minmax(0, 1fr) 318px;
      gap:34px;
      align-items:end;
    }
    .crumbs{
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:var(--muted);
      font-size:14px;
      margin-bottom:18px;
    }
    .crumbs a{color:#d8ccff;transition:color .2s ease}
    .crumbs a:hover{color:#fff}
    .article-title{
      margin:0;
      font-size:clamp(34px,5.2vw,62px);
      line-height:1.08;
      letter-spacing:-.055em;
      font-weight:950;
      max-width:860px;
    }
    .article-summary{
      margin:18px 0 0;
      color:#d6ceeb;
      font-size:17px;
      max-width:820px;
    }
    .article-meta{
      margin-top:24px;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:10px;
    }
    .meta-chip,.data-badge{
      display:inline-flex;
      align-items:center;
      gap:8px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.16);
      background:rgba(255,255,255,.075);
      color:#e9e1ff;
      padding:8px 12px;
      font-size:13px;
      font-weight:800;
    }
    .meta-chip strong{color:#fff}
    .hero-panel{
      border:1px solid rgba(255,255,255,.14);
      background:linear-gradient(180deg,rgba(255,255,255,.105),rgba(255,255,255,.055));
      border-radius:var(--radius-lg);
      padding:20px;
      box-shadow:var(--shadow-soft);
    }
    .hero-panel h2{
      margin:0 0 12px;
      font-size:18px;
      font-weight:950;
    }
    .signal-list{
      display:grid;
      gap:10px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .signal-list li{
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:11px;
      border-radius:16px;
      background:rgba(11,7,19,.34);
      border:1px solid rgba(255,255,255,.09);
      color:var(--muted);
      font-size:14px;
    }
    .signal-dot{
      width:10px;height:10px;
      border-radius:50%;
      margin-top:7px;
      background:linear-gradient(135deg,var(--accent),var(--primary-2));
      box-shadow:0 0 18px rgba(34,211,238,.45);
      flex:0 0 auto;
    }

    .content-layout{
      display:grid;
      grid-template-columns:minmax(0, 720px) minmax(260px, 1fr);
      gap:34px;
      align-items:start;
    }
    .article-card,
    .side-card,
    .info-card,
    .faq-card,
    .cta-box{
      border:1px solid var(--border);
      background:linear-gradient(180deg,rgba(255,255,255,.085),rgba(255,255,255,.045));
      border-radius:var(--radius-lg);
      box-shadow:var(--shadow-soft);
    }
    .article-card{
      padding:34px;
      overflow:hidden;
    }
    .article-content{
      color:#efe9ff;
      font-size:17px;
      line-height:1.95;
      word-break:break-word;
    }
    .article-content h2,
    .article-content h3,
    .article-content h4{
      color:#fff;
      line-height:1.25;
      letter-spacing:-.03em;
      font-weight:950;
      margin:34px 0 14px;
    }
    .article-content h2{font-size:28px}
    .article-content h3{font-size:23px}
    .article-content h4{font-size:19px}
    .article-content p{margin:0 0 18px;color:#e6def8}
    .article-content a{
      color:#9beafe;
      border-bottom:1px dashed rgba(34,211,238,.5);
      transition:color .2s ease,border-color .2s ease;
    }
    .article-content a:hover{color:#fff;border-color:#fff}
    .article-content ul,
    .article-content ol{
      margin:16px 0 22px;
      padding-left:1.35em;
      color:#e6def8;
    }
    .article-content li{margin:8px 0}
    .article-content blockquote{
      margin:26px 0;
      padding:20px 22px;
      border-left:4px solid var(--accent);
      border-radius:18px;
      background:rgba(246,196,83,.08);
      color:#fff2c2;
    }
    .article-content img{
      border-radius:20px;
      border:1px solid rgba(255,255,255,.12);
      margin:26px auto;
      box-shadow:0 18px 44px rgba(0,0,0,.25);
    }
    .article-content table{
      width:100%;
      border-collapse:separate;
      border-spacing:0;
      overflow:hidden;
      border:1px solid var(--border);
      border-radius:18px;
      margin:24px 0;
      color:#e6def8;
    }
    .article-content th,
    .article-content td{
      padding:13px 14px;
      border-bottom:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.035);
    }
    .article-content th{
      color:#fff;
      background:rgba(139,92,246,.18);
      font-weight:900;
      text-align:left;
    }
    .article-content tr:last-child td{border-bottom:0}
    .not-found{
      padding:34px;
      border-radius:var(--radius-lg);
      border:1px solid rgba(251,113,133,.28);
      background:rgba(251,113,133,.08);
      text-align:left;
    }
    .not-found h2{
      margin:0 0 10px;
      font-size:28px;
      font-weight:950;
      color:#fff;
    }
    .not-found p{margin:0 0 20px;color:var(--muted)}

    .article-aside{
      position:sticky;
      top:148px;
      display:grid;
      gap:18px;
    }
    .side-card{padding:22px}
    .side-card h2,
    .side-card h3{
      margin:0 0 14px;
      font-size:18px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .side-card p{margin:0;color:var(--muted);font-size:14px}
    .side-metrics{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:10px;
      margin-top:16px;
    }
    .metric{
      border-radius:18px;
      padding:14px;
      background:rgba(11,7,19,.36);
      border:1px solid rgba(255,255,255,.1);
    }
    .metric strong{
      display:block;
      font-size:22px;
      line-height:1;
      color:#fff;
      font-weight:950;
    }
    .metric span{
      display:block;
      margin-top:8px;
      font-size:12px;
      color:var(--weak);
    }
    .toc-list,
    .recommend-list{
      list-style:none;
      margin:0;
      padding:0;
      display:grid;
      gap:10px;
    }
    .toc-list a,
    .recommend-list a{
      display:flex;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      border-radius:16px;
      color:#dfd7f4;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      transition:transform .2s ease, background .2s ease, border-color .2s ease;
    }
    .toc-list a:hover,
    .recommend-list a:hover{
      transform:translateY(-2px);
      background:rgba(139,92,246,.14);
      border-color:var(--border-2);
    }
    .toc-list span,
    .recommend-list span{
      color:var(--accent);
      flex:0 0 auto;
      font-weight:900;
    }

    .info-grid{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      gap:20px;
    }
    .info-card{padding:24px}
    .info-card h2{
      margin:0 0 12px;
      font-size:24px;
      font-weight:950;
      letter-spacing:-.03em;
    }
    .info-card p{margin:0;color:var(--muted)}
    .check-list{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .check-list li{
      display:flex;
      gap:12px;
      align-items:flex-start;
      color:#e8e0f8;
    }
    .check-list li::before{
      content:"";
      width:18px;height:18px;
      margin-top:5px;
      border-radius:7px;
      background:linear-gradient(135deg,var(--accent),var(--primary-2));
      box-shadow:0 0 22px rgba(34,211,238,.22);
      flex:0 0 auto;
    }
    .faq-wrap{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:24px;
      align-items:start;
    }
    .faq-card{
      padding:24px;
      display:grid;
      gap:14px;
    }
    .faq-item{
      border:1px solid rgba(255,255,255,.1);
      background:rgba(11,7,19,.28);
      border-radius:18px;
      padding:18px;
    }
    .faq-item h3{
      margin:0 0 8px;
      font-size:17px;
      font-weight:950;
      color:#fff;
    }
    .faq-item p{margin:0;color:var(--muted);font-size:15px}
    .cta-box{
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      gap:24px;
      align-items:center;
      background:
        radial-gradient(circle at 15% 10%, rgba(246,196,83,.16), transparent 28%),
        linear-gradient(135deg,rgba(139,92,246,.22),rgba(34,211,238,.08)),
        rgba(27,18,48,.82);
    }
    .cta-box h2{
      margin:0;
      font-size:clamp(26px,3.4vw,40px);
      line-height:1.16;
      font-weight:950;
      letter-spacing:-.04em;
    }
    .cta-box p{margin:10px 0 0;color:var(--muted);max-width:760px}

    .site-footer{
      padding:44px 0 28px;
      border-top:1px solid var(--border);
      background:linear-gradient(180deg,rgba(11,7,19,.18),rgba(11,7,19,.82));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1fr auto;
      gap:28px;
      align-items:start;
    }
    .footer-brand strong{
      display:block;
      font-size:20px;
      font-weight:950;
      letter-spacing:-.02em;
    }
    .footer-brand p{
      margin:10px 0 0;
      color:var(--muted);
      max-width:560px;
      font-size:14px;
    }
    .footer-links{
      display:flex;
      flex-wrap:wrap;
      justify-content:flex-end;
      gap:10px;
    }
    .footer-links a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:8px 12px;
      border-radius:999px;
      color:var(--muted);
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      transition:color .2s ease, background .2s ease, transform .2s ease, border-color .2s ease;
    }
    .footer-links a:hover{
      color:#fff;
      background:rgba(139,92,246,.13);
      border-color:var(--border-2);
      transform:translateY(-1px);
    }
    .copyright{
      margin-top:30px;
      padding-top:20px;
      border-top:1px solid rgba(255,255,255,.09);
      display:flex;
      justify-content:space-between;
      gap:18px;
      flex-wrap:wrap;
      color:var(--weak);
      font-size:13px;
    }

    @media (max-width:1024px){
      .article-hero-inner{grid-template-columns:1fr;padding:34px}
      .content-layout{grid-template-columns:1fr}
      .article-aside{position:relative;top:auto;grid-template-columns:repeat(2,minmax(0,1fr))}
      .info-grid,.faq-wrap{grid-template-columns:1fr}
      .cta-box{grid-template-columns:1fr}
    }
    @media (max-width:768px){
      .site-container{width:min(var(--container), calc(100% - 28px))}
      .brand-row{min-height:68px}
      .brand-text strong{font-size:16px}
      .brand-text span{display:none}
      .search-box{display:none}
      .mobile-toggle{display:grid;place-items:center}
      .channel-row{display:none}
      .site-header.is-open .channel-row{display:block}
      .site-header.is-open .channel-nav{
        padding:12px 0 16px;
        align-items:stretch;
        flex-direction:column;
      }
      .site-header.is-open .channel-links{
        display:grid;
        grid-template-columns:1fr 1fr;
        gap:10px;
        overflow:visible;
      }
      .site-header.is-open .channel-link{
        justify-content:center;
        border:1px solid rgba(255,255,255,.1);
        background:rgba(255,255,255,.05);
      }
      .site-header.is-open .channel-link.active{
        background:linear-gradient(135deg,var(--accent),var(--primary-2));
      }
      .header-cta{justify-content:center}
      .article-hero{padding:34px 0 22px}
      .article-hero-inner{padding:26px}
      .article-summary{font-size:16px}
      .article-card{padding:24px}
      .article-aside{grid-template-columns:1fr}
      .section{padding:56px 0}
      .section-tight{padding:42px 0}
      .section-head{display:block}
      .footer-grid{grid-template-columns:1fr}
      .footer-links{justify-content:flex-start}
    }
    @media (max-width:520px){
      .site-container{width:min(var(--container), calc(100% - 22px))}
      .brand-mark{width:40px;height:40px;border-radius:14px}
      .article-shell{border-radius:22px}
      .article-hero-inner{padding:22px}
      .article-title{font-size:31px}
      .article-meta{align-items:stretch}
      .meta-chip,.data-badge{width:100%;justify-content:center}
      .hero-panel{padding:16px}
      .article-card{padding:20px;border-radius:20px}
      .article-content{font-size:16px;line-height:1.9}
      .article-content h2{font-size:24px}
      .side-metrics{grid-template-columns:1fr}
      .cta-box{padding:24px;border-radius:22px}
      .btn{width:100%}
      .copyright{display:grid}
    }