/* roulang page: index */
:root{
      --bg:#080a0d;
      --bg-2:#10141b;
      --panel:#151a22;
      --panel-2:#1c222d;
      --text:#f3f7fb;
      --muted:#9ca8b7;
      --soft:#c9d3df;
      --line:rgba(255,255,255,.10);
      --line-strong:rgba(88,255,216,.35);
      --cyan:#33ffd4;
      --cyan-2:#00c9ff;
      --violet:#7857ff;
      --amber:#ffb43b;
      --danger:#ff6b6b;
      --green:#4cff8f;
      --shadow:0 22px 60px rgba(0,0,0,.34);
      --shadow-soft:0 14px 36px rgba(0,0,0,.22);
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
      --nav-h:74px;
      --font: -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      --mono: "DIN Alternate","Roboto Mono","SFMono-Regular",Consolas,monospace;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      font-family:var(--font);
      color:var(--text);
      background:
        radial-gradient(circle at 12% 8%, rgba(51,255,212,.12), transparent 28%),
        radial-gradient(circle at 88% 18%, rgba(120,87,255,.13), transparent 30%),
        linear-gradient(180deg,#07080b 0%,#0d1117 42%,#080a0d 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      z-index:-1;
      background-image:
        linear-gradient(rgba(255,255,255,.035) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.035) 1px, transparent 1px);
      background-size:44px 44px;
      mask-image:linear-gradient(to bottom, rgba(0,0,0,.7), transparent 78%);
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    :focus-visible{outline:2px solid var(--cyan);outline-offset:4px}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      background:rgba(8,10,13,.82);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .top-strip{
      border-bottom:1px solid rgba(255,255,255,.07);
      background:linear-gradient(90deg, rgba(51,255,212,.08), rgba(120,87,255,.07), rgba(255,180,59,.05));
      color:var(--soft);
      font-size:13px;
    }
    .strip-inner{
      min-height:34px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      white-space:nowrap;
      overflow:hidden;
    }
    .strip-left,.strip-right{display:flex;align-items:center;gap:12px}
    .live-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--green);
      box-shadow:0 0 16px rgba(76,255,143,.9);
      flex:0 0 auto;
    }
    .mini-link{color:var(--cyan);font-weight:700}
    .nav-wrap{
      height:var(--nav-h);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:900;
      letter-spacing:.2px;
    }
    .logo-mark{
      width:42px;height:42px;border-radius:14px;
      background:linear-gradient(135deg,var(--cyan),var(--violet));
      display:grid;place-items:center;
      color:#081016;
      font-family:var(--mono);
      font-weight:900;
      box-shadow:0 0 26px rgba(51,255,212,.24);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.15}
    .logo-title{font-size:18px}
    .logo-sub{font-size:12px;color:var(--muted);font-weight:700;margin-top:3px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      margin-left:auto;
    }
    .nav-links a{
      padding:10px 14px;
      border-radius:999px;
      color:var(--soft);
      font-weight:700;
      font-size:14px;
      transition:.22s ease;
      border:1px solid transparent;
    }
    .nav-links a:hover{
      color:var(--text);
      border-color:rgba(51,255,212,.22);
      background:rgba(51,255,212,.06);
      transform:translateY(-1px);
    }
    .nav-links a.active{
      color:#071015;
      background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
      box-shadow:0 10px 26px rgba(0,201,255,.17);
    }
    .nav-cta{
      padding:10px 16px;
      border-radius:999px;
      border:1px solid rgba(255,180,59,.32);
      color:var(--amber);
      background:rgba(255,180,59,.08);
      font-size:14px;
      font-weight:800;
      transition:.22s ease;
    }
    .nav-cta:hover{transform:translateY(-1px);background:rgba(255,180,59,.14);border-color:rgba(255,180,59,.55)}
    .menu-btn{display:none;width:42px;height:42px;border-radius:12px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:var(--text)}
    .hero{
      position:relative;
      min-height:690px;
      display:flex;
      align-items:stretch;
      overflow:hidden;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(90deg, rgba(8,10,13,.96) 0%, rgba(8,10,13,.70) 48%, rgba(8,10,13,.92) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:auto 0 0;
      height:160px;
      background:linear-gradient(to bottom, transparent, var(--bg));
      pointer-events:none;
    }
    .hero-inner{
      position:relative;
      z-index:1;
      padding:78px 0 56px;
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:34px;
      align-items:center;
    }
    .eyebrow-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:18px}
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 11px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      background:rgba(255,255,255,.06);
      color:var(--soft);
      font-size:13px;
      font-weight:800;
    }
    .badge.cyan{border-color:rgba(51,255,212,.36);color:var(--cyan);background:rgba(51,255,212,.08)}
    .badge.amber{border-color:rgba(255,180,59,.38);color:var(--amber);background:rgba(255,180,59,.08)}
    .badge.violet{border-color:rgba(120,87,255,.42);color:#c9c1ff;background:rgba(120,87,255,.10)}
    h1{
      font-size:clamp(38px,6vw,74px);
      line-height:1.04;
      letter-spacing:-2px;
      max-width:860px;
      margin-bottom:22px;
    }
    .grad-text{
      background:linear-gradient(90deg,#fff 0%, var(--cyan) 45%, #b7abff 100%);
      -webkit-background-clip:text;
      background-clip:text;
      color:transparent;
    }
    .hero-lead{
      max-width:760px;
      color:#d7e0ea;
      font-size:18px;
      line-height:1.9;
      margin-bottom:26px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:24px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:0 18px;
      border-radius:13px;
      font-weight:900;
      transition:.22s ease;
      border:1px solid transparent;
      white-space:nowrap;
    }
    .btn-primary{
      color:#051013;
      background:linear-gradient(135deg,var(--cyan),var(--cyan-2));
      box-shadow:0 14px 34px rgba(0,201,255,.22);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 20px 42px rgba(0,201,255,.30)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.07);
      border-color:rgba(255,255,255,.14);
    }
    .btn-secondary:hover{transform:translateY(-2px);border-color:var(--line-strong);background:rgba(51,255,212,.08)}
    .btn-warning{
      color:#1a1002;
      background:linear-gradient(135deg,var(--amber),#ffe08a);
      box-shadow:0 14px 34px rgba(255,180,59,.16);
    }
    .trust-row{
      display:grid;
      grid-template-columns:repeat(3, minmax(0,1fr));
      gap:12px;
      max-width:800px;
    }
    .trust-item{
      border:1px solid var(--line);
      background:rgba(15,20,28,.66);
      border-radius:var(--radius-sm);
      padding:13px 14px;
      color:var(--muted);
      font-size:13px;
    }
    .trust-item strong{display:block;color:var(--text);font-size:15px;margin-bottom:2px}
    .hero-panel{
      display:grid;
      gap:16px;
      align-self:stretch;
      align-content:center;
    }
    .score-board{
      position:relative;
      overflow:hidden;
      border:1px solid rgba(51,255,212,.22);
      background:linear-gradient(180deg, rgba(25,31,42,.92), rgba(13,17,24,.94));
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow);
    }
    .score-board::before{
      content:"";
      position:absolute;
      inset:-50% auto auto -30%;
      width:360px;height:360px;border-radius:50%;
      background:radial-gradient(circle, rgba(51,255,212,.20), transparent 66%);
      pointer-events:none;
    }
    .board-head,.match-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px}
    .board-title{font-size:18px;font-weight:900}
    .status{
      display:inline-flex;align-items:center;gap:7px;
      color:var(--green);
      font-size:13px;
      font-weight:900;
    }
    .status::before{content:"";width:7px;height:7px;border-radius:50%;background:currentColor;box-shadow:0 0 14px currentColor}
    .team-row{
      display:grid;
      grid-template-columns:1fr auto 1fr;
      gap:16px;
      align-items:center;
      padding:18px 0;
      border-top:1px solid rgba(255,255,255,.09);
      border-bottom:1px solid rgba(255,255,255,.09);
    }
    .team{text-align:center}
    .team-name{font-weight:900;font-size:17px}
    .team-note{color:var(--muted);font-size:12px;margin-top:4px}
    .score{
      min-width:116px;
      text-align:center;
      font-family:var(--mono);
      font-size:42px;
      line-height:1;
      font-weight:900;
      color:var(--cyan);
      text-shadow:0 0 22px rgba(51,255,212,.25);
    }
    .metrics{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:10px;
      margin-top:18px;
    }
    .metric{
      padding:13px 10px;
      border-radius:14px;
      background:rgba(255,255,255,.055);
      border:1px solid rgba(255,255,255,.08);
      text-align:center;
    }
    .metric b{display:block;font-family:var(--mono);font-size:22px;color:var(--text)}
    .metric span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .side-note{
      border:1px solid rgba(255,180,59,.22);
      background:rgba(255,180,59,.08);
      color:#ffe0a6;
      border-radius:18px;
      padding:16px 18px;
      font-size:14px;
    }
    .section{padding:76px 0}
    .section.alt{background:linear-gradient(180deg, rgba(255,255,255,.025), transparent)}
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:24px;
      margin-bottom:28px;
    }
    .section-kicker{color:var(--cyan);font-weight:900;font-size:14px;letter-spacing:.6px;margin-bottom:8px}
    .section-title{font-size:clamp(28px,3.4vw,44px);line-height:1.18;letter-spacing:-.8px}
    .section-desc{max-width:560px;color:var(--muted);font-size:15px}
    .topic-grid{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
    }
    .feature-card,.data-card,.info-card,.content-card,.faq-item,.cta-box{
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(28,34,45,.88), rgba(15,19,26,.92));
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:.24s ease;
    }
    .feature-card:hover,.data-card:hover,.content-card:hover,.info-card:hover{
      transform:translateY(-4px);
      border-color:rgba(51,255,212,.28);
      box-shadow:0 24px 58px rgba(0,0,0,.32);
    }
    .feature-card.large{
      min-height:360px;
      padding:28px;
      display:flex;
      flex-direction:column;
      justify-content:flex-end;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(180deg, rgba(8,10,13,.15), rgba(8,10,13,.92)),
        url('/assets/images/coverpic/cover-1.webp') center/cover no-repeat;
    }
    .feature-card.large::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(135deg, rgba(51,255,212,.14), transparent 35%, rgba(120,87,255,.16));
      pointer-events:none;
    }
    .feature-content{position:relative;z-index:1}
    .feature-title{font-size:30px;line-height:1.2;margin:14px 0 10px}
    .feature-text{color:#d5dde7;max-width:640px}
    .mini-stack{display:grid;gap:18px}
    .mini-card{
      min-height:171px;
      padding:22px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:
        linear-gradient(135deg, rgba(51,255,212,.08), rgba(120,87,255,.06)),
        var(--panel);
      position:relative;
      overflow:hidden;
      transition:.24s ease;
    }
    .mini-card:hover{transform:translateY(-4px);border-color:rgba(255,255,255,.18)}
    .mini-card h3{font-size:22px;margin:10px 0 8px}
    .mini-card p{color:var(--muted);font-size:14px}
    .data-layout{
      display:grid;
      grid-template-columns:.85fr 1.15fr;
      gap:18px;
      align-items:stretch;
    }
    .data-card{padding:24px}
    .data-number{
      font-family:var(--mono);
      font-size:clamp(42px,6vw,68px);
      line-height:1;
      color:var(--cyan);
      font-weight:900;
      margin:12px 0;
    }
    .data-card p{color:var(--muted)}
    .schedule-list{display:grid;gap:12px}
    .schedule-item{
      display:grid;
      grid-template-columns:92px 1fr auto;
      gap:14px;
      align-items:center;
      padding:16px;
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(255,255,255,.04);
      transition:.22s ease;
    }
    .schedule-item:hover{background:rgba(51,255,212,.07);border-color:rgba(51,255,212,.24)}
    .time-tag{font-family:var(--mono);color:var(--cyan);font-weight:900}
    .match-title{font-weight:900}
    .match-desc{font-size:13px;color:var(--muted);margin-top:2px}
    .pill{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-width:58px;
      padding:5px 9px;
      border-radius:999px;
      color:var(--amber);
      background:rgba(255,180,59,.10);
      border:1px solid rgba(255,180,59,.24);
      font-size:12px;
      font-weight:900;
    }
    .cards-mosaic{
      display:grid;
      grid-template-columns:repeat(12,1fr);
      gap:18px;
    }
    .content-card{
      overflow:hidden;
      min-height:100%;
    }
    .content-card:nth-child(1){grid-column:span 5}
    .content-card:nth-child(2){grid-column:span 4}
    .content-card:nth-child(3){grid-column:span 3}
    .content-card:nth-child(4){grid-column:span 7}
    .content-card:nth-child(5){grid-column:span 5}
    .card-img{
      height:180px;
      overflow:hidden;
      position:relative;
      background:#111821;
    }
    .card-img img{width:100%;height:100%;object-fit:cover;transition:.45s ease}
    .content-card:hover .card-img img{transform:scale(1.06)}
    .card-img::after{content:"";position:absolute;inset:0;background:linear-gradient(to top, rgba(8,10,13,.75), transparent 60%)}
    .card-body{padding:20px}
    .card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
    .tag{
      display:inline-flex;
      padding:5px 9px;
      border-radius:999px;
      font-size:12px;
      font-weight:900;
      color:var(--cyan);
      background:rgba(51,255,212,.08);
      border:1px solid rgba(51,255,212,.20);
    }
    .tag.purple{color:#c7bdff;background:rgba(120,87,255,.10);border-color:rgba(120,87,255,.25)}
    .tag.orange{color:var(--amber);background:rgba(255,180,59,.09);border-color:rgba(255,180,59,.23)}
    .card-body h3{font-size:21px;line-height:1.34;margin-bottom:8px}
    .card-body p{color:var(--muted);font-size:14px}
    .card-meta{
      margin-top:16px;
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#7f8b9b;
      font-size:13px;
      border-top:1px solid rgba(255,255,255,.08);
      padding-top:13px;
    }
    .category-entry{
      display:grid;
      grid-template-columns:1fr .72fr;
      gap:18px;
      align-items:stretch;
    }
    .category-main{
      border:1px solid rgba(51,255,212,.24);
      border-radius:24px;
      overflow:hidden;
      background:
        linear-gradient(90deg, rgba(12,16,22,.95), rgba(12,16,22,.72)),
        url('/assets/images/coverpic/cover-3.webp') center/cover no-repeat;
      min-height:360px;
      padding:30px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      box-shadow:var(--shadow-soft);
    }
    .category-main h2{font-size:34px;line-height:1.2;margin:12px 0}
    .category-main p{color:#d2dce7;max-width:650px}
    .check-list{display:grid;gap:12px}
    .check-item{
      display:flex;
      gap:12px;
      padding:17px;
      border-radius:16px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
    }
    .check-icon{
      width:25px;height:25px;border-radius:8px;
      display:grid;place-items:center;
      background:rgba(51,255,212,.12);
      color:var(--cyan);
      flex:0 0 auto;
      font-weight:900;
    }
    .check-item strong{display:block;margin-bottom:2px}
    .check-item span{color:var(--muted);font-size:14px}
    .proof-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .proof{
      padding:22px;
      border-radius:var(--radius);
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
    }
    .proof b{display:block;font-family:var(--mono);font-size:30px;color:var(--cyan);margin-bottom:6px}
    .proof span{color:var(--muted);font-size:14px}
    .rules-wrap{
      display:grid;
      grid-template-columns:.95fr 1.05fr;
      gap:18px;
    }
    .info-card{padding:24px}
    .info-card h3{font-size:24px;margin-bottom:10px}
    .info-card p{color:var(--muted)}
    .rule-list{display:grid;gap:12px;margin-top:18px}
    .rule-list li{
      list-style:none;
      padding:14px 15px;
      border-radius:14px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
      color:var(--soft);
    }
    .faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .faq-item{padding:22px}
    .faq-item h3{font-size:18px;margin-bottom:8px;color:var(--text)}
    .faq-item p{color:var(--muted);font-size:14px}
    .cta-box{
      position:relative;
      overflow:hidden;
      padding:34px;
      display:grid;
      grid-template-columns:1fr auto;
      align-items:center;
      gap:24px;
      background:
        linear-gradient(135deg, rgba(51,255,212,.14), rgba(120,87,255,.10)),
        var(--panel);
    }
    .cta-box::before{
      content:"";
      position:absolute;
      right:-100px;top:-120px;
      width:320px;height:320px;border-radius:50%;
      background:radial-gradient(circle, rgba(51,255,212,.22), transparent 68%);
    }
    .cta-content,.cta-actions{position:relative;z-index:1}
    .cta-content h2{font-size:32px;line-height:1.25;margin-bottom:10px}
    .cta-content p{color:var(--soft);max-width:720px}
    .cta-actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .site-footer{
      border-top:1px solid var(--line);
      background:#07090c;
      padding:46px 0 24px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:28px;
      margin-bottom:28px;
    }
    .footer-brand h2{font-size:22px;margin-bottom:10px}
    .footer-brand p{color:var(--muted);font-size:14px;max-width:560px}
    .footer-col h3{font-size:15px;margin-bottom:12px;color:var(--text)}
    .footer-links{display:grid;gap:8px}
    .footer-links a,.footer-links span{color:var(--muted);font-size:14px;transition:.22s ease}
    .footer-links a:hover{color:var(--cyan);padding-left:3px}
    .risk-line{
      padding:14px 16px;
      border-radius:14px;
      background:rgba(255,180,59,.07);
      border:1px solid rgba(255,180,59,.20);
      color:#f4d7a2;
      font-size:13px;
      margin-bottom:18px;
    }
    .copyright{
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#778293;
      font-size:13px;
      border-top:1px solid rgba(255,255,255,.07);
      padding-top:18px;
    }
    @media (max-width:1024px){
      :root{--nav-h:auto}
      .hero-inner,.topic-grid,.data-layout,.category-entry,.rules-wrap{grid-template-columns:1fr}
      .hero{min-height:auto}
      .proof-grid{grid-template-columns:repeat(2,1fr)}
      .content-card:nth-child(n){grid-column:span 6}
      .section{padding:62px 0}
      .nav-wrap{min-height:72px}
    }
    @media (max-width:768px){
      .container{width:min(100% - 28px, var(--container))}
      .strip-inner{justify-content:flex-start}
      .strip-right{display:none}
      .menu-btn{display:grid;place-items:center}
      .nav-links{
        position:absolute;
        top:100%;
        left:14px;
        right:14px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        padding:14px;
        border:1px solid var(--line);
        border-radius:18px;
        background:rgba(10,13,18,.96);
        box-shadow:var(--shadow);
      }
      .site-header.open .nav-links{display:flex}
      .nav-links a{text-align:center}
      .nav-cta{display:none}
      .hero-inner{padding:52px 0 42px}
      h1{letter-spacing:-1px}
      .hero-lead{font-size:16px}
      .trust-row,.metrics,.faq-grid{grid-template-columns:1fr}
      .team-row{grid-template-columns:1fr;gap:10px}
      .score{min-width:auto}
      .section-head{display:block}
      .section-desc{margin-top:10px}
      .content-card:nth-child(n){grid-column:span 12}
      .schedule-item{grid-template-columns:1fr;gap:7px}
      .cta-box{grid-template-columns:1fr;padding:25px}
      .cta-actions{justify-content:flex-start}
      .footer-grid{grid-template-columns:1fr}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .logo-title{font-size:16px}
      .logo-sub{display:none}
      .logo-mark{width:38px;height:38px}
      .hero-actions .btn{width:100%}
      .feature-title{font-size:25px}
      .category-main h2,.cta-content h2{font-size:26px}
      .proof-grid{grid-template-columns:1fr}
      .section{padding:50px 0}
      .hero-panel{gap:12px}
      .score-board{padding:18px;border-radius:20px}
    }

/* roulang page: category1 */
:root{
      --bg:#07090d;
      --bg-2:#0d1118;
      --panel:#121722;
      --panel-2:#171e2b;
      --panel-3:#0b1018;
      --text:#f3f7fb;
      --muted:#9aa7b6;
      --soft:#c5ced8;
      --line:rgba(166,185,205,.16);
      --cyan:#19f4d2;
      --cyan-2:#0fbca8;
      --violet:#705bff;
      --blue:#2b7cff;
      --amber:#ffbd4a;
      --orange:#ff7a3d;
      --danger:#ff5e6c;
      --radius:18px;
      --radius-sm:12px;
      --shadow:0 18px 50px rgba(0,0,0,.34);
      --shadow-soft:0 12px 30px rgba(0,0,0,.22);
      --container:1180px;
      --font:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:var(--font);
      color:var(--text);
      line-height:1.68;
      background:
        radial-gradient(circle at 18% -10%, rgba(25,244,210,.18), transparent 34%),
        radial-gradient(circle at 86% 12%, rgba(112,91,255,.18), transparent 30%),
        linear-gradient(180deg,var(--bg),#090c12 42%,#07090d);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(var(--container),calc(100% - 40px));margin:0 auto}
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      background:rgba(7,9,13,.9);
      backdrop-filter:blur(18px);
      border-bottom:1px solid var(--line);
    }
    .top-strip{
      border-bottom:1px solid rgba(255,255,255,.08);
      background:linear-gradient(90deg,rgba(25,244,210,.08),rgba(112,91,255,.08),rgba(255,189,74,.06));
      color:var(--soft);
      font-size:13px;
    }
    .strip-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .strip-left,.strip-right{display:flex;align-items:center;gap:10px}
    .live-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 0 6px rgba(25,244,210,.12),0 0 18px rgba(25,244,210,.75);
      flex:0 0 auto;
    }
    .mini-link{
      color:var(--cyan);
      border-bottom:1px dashed rgba(25,244,210,.55);
      transition:.2s ease;
    }
    .mini-link:hover{color:#fff;border-bottom-color:#fff}
    .nav-wrap{
      min-height:76px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:22px;
    }
    .logo{
      display:flex;
      align-items:center;
      gap:12px;
      min-width:250px;
    }
    .logo-mark{
      width:52px;height:52px;border-radius:16px;
      display:grid;place-items:center;
      color:#06100f;
      font-weight:950;
      letter-spacing:-1px;
      background:linear-gradient(135deg,var(--cyan),#d7fff7 48%,var(--amber));
      box-shadow:0 0 32px rgba(25,244,210,.22);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.2}
    .logo-title{font-size:18px;font-weight:900;letter-spacing:.2px}
    .logo-sub{font-size:12px;color:var(--muted);margin-top:4px}
    .nav-links{
      display:flex;
      align-items:center;
      gap:8px;
      padding:8px;
      border:1px solid var(--line);
      border-radius:999px;
      background:rgba(255,255,255,.035);
    }
    .nav-links a{
      padding:10px 16px;
      border-radius:999px;
      color:var(--soft);
      font-size:14px;
      font-weight:700;
      transition:.22s ease;
      white-space:nowrap;
    }
    .nav-links a:hover{
      color:#fff;
      background:rgba(25,244,210,.08);
    }
    .nav-links a.active{
      color:#06100f;
      background:linear-gradient(135deg,var(--cyan),#a7fff2);
      box-shadow:0 10px 24px rgba(25,244,210,.18);
    }
    .nav-cta{
      padding:11px 17px;
      border-radius:999px;
      border:1px solid rgba(255,189,74,.38);
      color:var(--amber);
      background:rgba(255,189,74,.07);
      font-size:14px;
      font-weight:800;
      transition:.22s ease;
    }
    .nav-cta:hover{transform:translateY(-2px);background:rgba(255,189,74,.13);border-color:var(--amber)}
    .menu-btn{
      display:none;
      width:44px;height:44px;
      border-radius:12px;
      border:1px solid var(--line);
      color:var(--text);
      background:rgba(255,255,255,.05);
    }
    .category-hero{
      position:relative;
      padding:78px 0 40px;
      overflow:hidden;
      border-bottom:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(7,9,13,.1),rgba(7,9,13,.9)),
        linear-gradient(90deg,rgba(7,9,13,.68),rgba(7,9,13,.42)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    }
    .category-hero:before{
      content:"";
      position:absolute;inset:0;
      background-image:
        linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
      background-size:42px 42px;
      mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 85%);
      pointer-events:none;
    }
    .hero-panel{
      position:relative;
      display:grid;
      grid-template-columns:1.08fr .92fr;
      gap:28px;
      align-items:end;
    }
    .crumbs{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:var(--muted);
      font-size:13px;
      margin-bottom:18px;
    }
    .crumbs a{color:var(--cyan)}
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 12px;
      border:1px solid rgba(25,244,210,.28);
      background:rgba(25,244,210,.08);
      color:var(--cyan);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
      margin-bottom:16px;
    }
    h1{
      margin:0;
      font-size:clamp(34px,5vw,64px);
      line-height:1.04;
      letter-spacing:-1.5px;
      max-width:820px;
    }
    .lead{
      margin:22px 0 0;
      max-width:780px;
      color:#d8e1ea;
      font-size:17px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:46px;
      padding:12px 18px;
      border-radius:14px;
      border:1px solid transparent;
      font-weight:900;
      transition:.22s ease;
    }
    .btn-primary{
      color:#06100f;
      background:linear-gradient(135deg,var(--cyan),#cafff6);
      box-shadow:0 14px 34px rgba(25,244,210,.2);
    }
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(25,244,210,.3)}
    .btn-ghost{
      color:var(--text);
      border-color:var(--line);
      background:rgba(255,255,255,.055);
    }
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(25,244,210,.55);background:rgba(25,244,210,.08)}
    .summary-board{
      border:1px solid rgba(255,255,255,.14);
      background:rgba(13,17,24,.76);
      backdrop-filter:blur(14px);
      border-radius:22px;
      box-shadow:var(--shadow);
      padding:18px;
    }
    .board-head{
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:14px;
      padding-bottom:14px;
      border-bottom:1px solid var(--line);
    }
    .board-head strong{font-size:18px}
    .status-pill{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      color:var(--amber);
      background:rgba(255,189,74,.1);
      border:1px solid rgba(255,189,74,.24);
      font-size:12px;font-weight:900;
      white-space:nowrap;
    }
    .metric-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:10px;margin-top:16px}
    .metric{
      padding:16px 12px;
      border-radius:16px;
      background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.025));
      border:1px solid var(--line);
      text-align:center;
    }
    .metric b{display:block;font-size:26px;color:var(--cyan);line-height:1.05}
    .metric span{display:block;margin-top:8px;font-size:12px;color:var(--muted)}
    .rule-note{
      margin-top:14px;
      padding:14px;
      border-radius:16px;
      color:#f3dcc0;
      background:rgba(255,122,61,.09);
      border:1px solid rgba(255,122,61,.22);
      font-size:13px;
    }
    main{position:relative}
    .section{padding:72px 0}
    .section.alt{background:linear-gradient(180deg,rgba(255,255,255,.025),rgba(255,255,255,.01))}
    .section-head{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:22px;
      margin-bottom:26px;
    }
    .section-kicker{
      color:var(--cyan);
      font-weight:950;
      font-size:13px;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    h2{margin:6px 0 0;font-size:clamp(26px,3.2vw,40px);line-height:1.18;letter-spacing:-.6px}
    .section-desc{max-width:620px;color:var(--muted);margin:10px 0 0}
    .filter-bar{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      padding:14px;
      border-radius:20px;
      background:rgba(255,255,255,.045);
      border:1px solid var(--line);
      margin-bottom:26px;
    }
    .filter-chip{
      border:1px solid rgba(255,255,255,.13);
      background:rgba(18,23,34,.72);
      color:var(--soft);
      border-radius:999px;
      padding:9px 13px;
      font-size:14px;
      font-weight:800;
      transition:.22s ease;
    }
    .filter-chip:hover,.filter-chip.active{
      color:#06100f;
      border-color:transparent;
      background:linear-gradient(135deg,var(--cyan),#cafff6);
    }
    .content-layout{
      display:grid;
      grid-template-columns:1fr 330px;
      gap:24px;
      align-items:start;
    }
    .rule-list{display:grid;gap:16px}
    .rule-card{
      display:grid;
      grid-template-columns:230px 1fr;
      gap:18px;
      padding:16px;
      border-radius:22px;
      border:1px solid var(--line);
      background:linear-gradient(135deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
      box-shadow:var(--shadow-soft);
      transition:.24s ease;
      overflow:hidden;
    }
    .rule-card:hover{
      transform:translateY(-4px);
      border-color:rgba(25,244,210,.35);
      box-shadow:0 18px 44px rgba(0,0,0,.34);
    }
    .rule-thumb{
      position:relative;
      min-height:170px;
      border-radius:17px;
      overflow:hidden;
      background:#111;
    }
    .rule-thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:.35s ease;
    }
    .rule-card:hover .rule-thumb img{transform:scale(1.05)}
    .rule-thumb:after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg,transparent,rgba(0,0,0,.52));
    }
    .badges{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px}
    .badge{
      display:inline-flex;
      align-items:center;
      padding:5px 9px;
      border-radius:999px;
      color:var(--cyan);
      background:rgba(25,244,210,.08);
      border:1px solid rgba(25,244,210,.18);
      font-size:12px;
      font-weight:900;
    }
    .badge.amber{color:var(--amber);background:rgba(255,189,74,.08);border-color:rgba(255,189,74,.2)}
    .badge.violet{color:#bbb2ff;background:rgba(112,91,255,.1);border-color:rgba(112,91,255,.22)}
    .rule-card h3{margin:0;font-size:22px;line-height:1.28}
    .rule-card p{margin:10px 0 0;color:var(--muted)}
    .card-meta{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:16px;
      color:var(--soft);
      font-size:13px;
    }
    .card-meta span{
      padding:6px 9px;
      border-radius:10px;
      background:rgba(255,255,255,.045);
      border:1px solid rgba(255,255,255,.08);
    }
    .side-stack{display:grid;gap:16px;position:sticky;top:132px}
    .side-card{
      border:1px solid var(--line);
      border-radius:22px;
      background:rgba(18,23,34,.82);
      box-shadow:var(--shadow-soft);
      padding:20px;
    }
    .side-card h3{margin:0 0 12px;font-size:20px}
    .check-list{list-style:none;margin:0;padding:0;display:grid;gap:10px}
    .check-list li{
      position:relative;
      padding-left:24px;
      color:var(--soft);
      font-size:14px;
    }
    .check-list li:before{
      content:"";
      position:absolute;
      left:0;top:.72em;
      width:9px;height:9px;
      border-radius:50%;
      background:var(--cyan);
      box-shadow:0 0 15px rgba(25,244,210,.48);
    }
    .warning-box{
      border-color:rgba(255,189,74,.25);
      background:linear-gradient(180deg,rgba(255,189,74,.1),rgba(18,23,34,.78));
    }
    .warning-box p{margin:0;color:#f4d8ad;font-size:14px}
    .steps{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:16px;
    }
    .step-card{
      position:relative;
      padding:24px;
      min-height:228px;
      border-radius:22px;
      border:1px solid var(--line);
      background:
        linear-gradient(180deg,rgba(255,255,255,.065),rgba(255,255,255,.025)),
        var(--panel);
      overflow:hidden;
      transition:.22s ease;
    }
    .step-card:hover{transform:translateY(-4px);border-color:rgba(112,91,255,.42)}
    .step-num{
      display:inline-grid;
      place-items:center;
      width:42px;height:42px;
      border-radius:14px;
      color:#07090d;
      font-weight:950;
      background:linear-gradient(135deg,var(--amber),#fff1b3);
      margin-bottom:18px;
    }
    .step-card h3{margin:0;font-size:20px}
    .step-card p{margin:10px 0 0;color:var(--muted);font-size:14px}
    .scenario-grid{
      display:grid;
      grid-template-columns:1.2fr .8fr .8fr;
      gap:18px;
    }
    .scenario-card{
      min-height:246px;
      padding:26px;
      border-radius:24px;
      border:1px solid var(--line);
      background:var(--panel);
      position:relative;
      overflow:hidden;
      box-shadow:var(--shadow-soft);
    }
    .scenario-card.featured{
      background:
        linear-gradient(135deg,rgba(25,244,210,.16),rgba(112,91,255,.08)),
        url('/assets/images/coverpic/cover-4.webp') center/cover no-repeat;
    }
    .scenario-card.featured:before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(7,9,13,.9),rgba(7,9,13,.52));
    }
    .scenario-card > *{position:relative}
    .scenario-card h3{margin:0;font-size:24px}
    .scenario-card p{margin:12px 0 0;color:var(--soft)}
    .mini-stats{
      display:grid;
      grid-template-columns:repeat(2,1fr);
      gap:10px;
      margin-top:20px;
    }
    .mini-stat{
      padding:12px;
      border-radius:14px;
      background:rgba(0,0,0,.24);
      border:1px solid rgba(255,255,255,.1);
    }
    .mini-stat b{display:block;color:var(--cyan);font-size:22px}
    .mini-stat span{font-size:12px;color:var(--muted)}
    .trust-panel{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .trust-card{
      padding:24px;
      border-radius:22px;
      border:1px solid var(--line);
      background:linear-gradient(180deg,rgba(255,255,255,.06),rgba(255,255,255,.025));
    }
    .trust-icon{
      width:48px;height:48px;
      display:grid;place-items:center;
      border-radius:16px;
      color:#06100f;
      background:linear-gradient(135deg,var(--cyan),#cafff6);
      font-weight:950;
      margin-bottom:16px;
    }
    .trust-card h3{margin:0;font-size:20px}
    .trust-card p{margin:10px 0 0;color:var(--muted)}
    .faq-wrap{display:grid;grid-template-columns:.82fr 1.18fr;gap:24px;align-items:start}
    .faq-intro{
      border:1px solid var(--line);
      border-radius:24px;
      padding:28px;
      background:
        linear-gradient(180deg,rgba(112,91,255,.14),rgba(18,23,34,.82));
      position:sticky;
      top:132px;
    }
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(18,23,34,.75);
      overflow:hidden;
    }
    .faq-item summary{
      list-style:none;
      cursor:pointer;
      padding:18px 20px;
      font-weight:900;
      display:flex;
      justify-content:space-between;
      gap:16px;
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:after{
      content:"+";
      color:var(--cyan);
      font-size:24px;
      line-height:1;
      transition:.2s ease;
    }
    .faq-item[open] summary:after{transform:rotate(45deg)}
    .faq-item p{
      margin:0;
      padding:0 20px 20px;
      color:var(--muted);
    }
    .cta-band{
      position:relative;
      overflow:hidden;
      border-radius:28px;
      border:1px solid rgba(25,244,210,.22);
      background:
        linear-gradient(135deg,rgba(25,244,210,.16),rgba(112,91,255,.16)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      padding:42px;
      box-shadow:var(--shadow);
    }
    .cta-band:before{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(90deg,rgba(7,9,13,.9),rgba(7,9,13,.62),rgba(7,9,13,.84));
    }
    .cta-content{position:relative;display:flex;justify-content:space-between;gap:24px;align-items:center}
    .cta-content h2{margin:0}
    .cta-content p{color:var(--soft);max-width:690px;margin:12px 0 0}
    .site-footer{
      border-top:1px solid var(--line);
      background:#05070a;
      padding:54px 0 26px;
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.4fr .7fr .9fr;
      gap:30px;
      align-items:start;
    }
    .footer-brand h2{margin:0;font-size:24px}
    .footer-brand p{margin:12px 0 0;color:var(--muted);max-width:560px}
    .footer-col h3{margin:0 0 12px;font-size:16px;color:var(--text)}
    .footer-links{display:grid;gap:8px;color:var(--muted)}
    .footer-links a,.footer-links span{transition:.2s ease}
    .footer-links a:hover{color:var(--cyan)}
    .risk-line{
      margin-top:30px;
      padding:16px;
      border-radius:16px;
      color:#f0d2a4;
      background:rgba(255,189,74,.08);
      border:1px solid rgba(255,189,74,.18);
      font-size:14px;
    }
    .copyright{
      margin-top:18px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.08);
      display:flex;
      justify-content:space-between;
      gap:16px;
      color:#758293;
      font-size:13px;
    }
    :focus-visible{
      outline:3px solid rgba(25,244,210,.75);
      outline-offset:3px;
      border-radius:10px;
    }
    @media (max-width:1024px){
      .container{width:min(100% - 32px,var(--container))}
      .hero-panel,.content-layout,.faq-wrap{grid-template-columns:1fr}
      .side-stack,.faq-intro{position:static}
      .steps{grid-template-columns:repeat(2,1fr)}
      .scenario-grid{grid-template-columns:1fr 1fr}
      .scenario-card.featured{grid-column:1 / -1}
      .trust-panel{grid-template-columns:1fr 1fr}
      .nav-cta{display:none}
    }
    @media (max-width:768px){
      .top-strip{display:none}
      .nav-wrap{min-height:68px}
      .logo{min-width:auto}
      .logo-mark{width:46px;height:46px;border-radius:14px}
      .logo-title{font-size:16px}
      .logo-sub{display:none}
      .menu-btn{display:block}
      .nav-links{
        position:absolute;
        left:16px;right:16px;top:76px;
        display:none;
        flex-direction:column;
        align-items:stretch;
        border-radius:18px;
        padding:12px;
        background:rgba(7,9,13,.96);
        box-shadow:var(--shadow);
      }
      .nav-links.open{display:flex}
      .nav-links a{text-align:center;border-radius:12px}
      .category-hero{padding:48px 0 30px}
      .metric-grid{grid-template-columns:1fr}
      .rule-card{grid-template-columns:1fr}
      .rule-thumb{min-height:190px}
      .section{padding:52px 0}
      .section-head{display:block}
      .steps,.scenario-grid,.trust-panel,.footer-grid{grid-template-columns:1fr}
      .cta-content{display:block}
      .cta-content .hero-actions{margin-top:22px}
      .copyright{flex-direction:column}
    }
    @media (max-width:520px){
      .container{width:min(100% - 24px,var(--container))}
      h1{font-size:34px;letter-spacing:-.8px}
      .lead{font-size:15px}
      .hero-actions{flex-direction:column}
      .btn{width:100%}
      .summary-board,.side-card,.faq-intro,.cta-band{border-radius:20px}
      .cta-band{padding:28px 20px}
      .filter-bar{padding:10px}
      .filter-chip{font-size:13px;padding:8px 10px}
      .card-meta{gap:8px}
      .rule-card h3{font-size:20px}
      .mini-stats{grid-template-columns:1fr}
    }