/* roulang page: index */
:root{
      --bg:#0b0f14;
      --bg-soft:#111722;
      --panel:#121925;
      --panel-2:#182231;
      --line:rgba(255,255,255,.08);
      --line-strong:rgba(115,255,214,.28);
      --text:#f3f5f7;
      --muted:#a6afbd;
      --subtle:#758197;
      --brand:#5cf2c2;
      --brand-2:#19cfa6;
      --accent:#d9b86a;
      --accent-2:#f5d07a;
      --danger:#ff7c7c;
      --shadow:0 18px 40px rgba(0,0,0,.36);
      --shadow-soft:0 10px 22px rgba(0,0,0,.22);
      --radius:18px;
      --radius-sm:12px;
      --radius-xs:10px;
      --container:1200px;
      --gap:24px;
      --gap-sm:14px;
      --transition:.24s ease;
      --section:88px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Segoe UI,Roboto,Arial,sans-serif;
      background:
        radial-gradient(circle at 10% 0%, rgba(92,242,194,.14), transparent 22%),
        radial-gradient(circle at 90% 10%, rgba(217,184,106,.11), transparent 18%),
        linear-gradient(180deg, #0b0f14 0%, #0d1218 38%, #0a0e13 100%);
      color:var(--text);
      line-height:1.7;
      overflow-x:hidden;
      text-rendering:optimizeLegibility;
      -webkit-font-smoothing:antialiased;
    }
    a{color:inherit;text-decoration:none;transition:color var(--transition),opacity var(--transition),transform var(--transition),border-color var(--transition),background var(--transition)}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    button{cursor:pointer}
    ::selection{background:rgba(92,242,194,.22);color:#fff}
    .container{width:min(var(--container), calc(100% - 40px)); margin:0 auto}
    .skip-link{
      position:absolute;left:-9999px;top:8px;background:#fff;color:#000;padding:10px 14px;border-radius:8px;z-index:9999
    }
    .skip-link:focus{left:12px}
    .site-header{
      position:sticky;top:0;z-index:100;
      backdrop-filter:blur(16px);
      background:rgba(10,14,19,.72);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      min-height:74px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:0;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      background:
        radial-gradient(circle at 30% 30%, rgba(255,255,255,.36), transparent 24%),
        linear-gradient(135deg, rgba(92,242,194,.95), rgba(25,207,166,.75) 48%, rgba(217,184,106,.92));
      box-shadow:0 10px 24px rgba(25,207,166,.18), inset 0 1px 0 rgba(255,255,255,.22);
      position:relative;flex:0 0 auto;
    }
    .brand-mark::after{
      content:"";
      position:absolute;inset:10px;
      border:2px solid rgba(11,15,20,.9);
      border-radius:10px;
      transform:rotate(12deg);
    }
    .brand-text{min-width:0}
    .brand-text strong{
      display:block;font-size:1rem;line-height:1.15;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis
    }
    .brand-text span{
      display:block;font-size:.82rem;color:var(--muted);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis
    }
    .nav-wrap{display:flex;align-items:center;gap:14px}
    .nav{
      display:flex;align-items:center;gap:4px;
      padding:8px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.06);
      border-radius:999px;
    }
    .nav a{
      position:relative;
      padding:10px 16px;
      color:var(--muted);
      border-radius:999px;
      font-size:.96rem;
      letter-spacing:.01em;
    }
    .nav a:hover,.nav a:focus-visible{color:#fff;background:rgba(255,255,255,.06);outline:none}
    .nav a.active{
      color:#06100d;
      background:linear-gradient(135deg, var(--brand), #a5ffe8);
      box-shadow:0 10px 20px rgba(92,242,194,.16);
      font-weight:700;
    }
    .nav a.active::after{
      content:"";
      position:absolute;left:16px;right:16px;bottom:7px;height:0
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      height:46px;padding:0 18px;border-radius:14px;border:1px solid transparent;
      transition:transform var(--transition),box-shadow var(--transition),border-color var(--transition),background var(--transition),color var(--transition),opacity var(--transition);
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn:focus-visible{outline:2px solid rgba(92,242,194,.62);outline-offset:2px}
    .btn-primary{
      color:#07120e;
      background:linear-gradient(135deg, var(--brand), #a4ffe7);
      box-shadow:0 14px 30px rgba(25,207,166,.18);
      font-weight:700;
    }
    .btn-primary:hover{box-shadow:0 18px 36px rgba(25,207,166,.24)}
    .btn-secondary{
      color:var(--text);
      background:rgba(255,255,255,.03);
      border-color:rgba(255,255,255,.1);
    }
    .btn-secondary:hover{border-color:rgba(92,242,194,.3);background:rgba(92,242,194,.06)}
    .menu-toggle{
      display:none;
      width:46px;height:46px;border-radius:14px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:#fff;
      align-items:center;justify-content:center;
      transition:background var(--transition),transform var(--transition),border-color var(--transition);
    }
    .menu-toggle:hover{background:rgba(255,255,255,.06);transform:translateY(-1px)}
    .menu-toggle span{display:block;width:18px;height:2px;background:#fff;position:relative;border-radius:2px}
    .menu-toggle span::before,.menu-toggle span::after{
      content:"";position:absolute;left:0;width:18px;height:2px;background:#fff;border-radius:2px;transition:transform var(--transition),top var(--transition)
    }
    .menu-toggle span::before{top:-6px}
    .menu-toggle span::after{top:6px}
    .mobile-panel{
      display:none;
      padding:0 0 16px;
    }
    .mobile-panel.open{display:block}
    .mobile-panel .nav{
      width:100%;
      border-radius:18px;
      flex-direction:column;
      align-items:stretch;
      padding:10px;
      gap:6px;
    }
    .mobile-panel .nav a{padding:12px 14px;border-radius:12px}
    .hero{
      position:relative;
      padding:32px 0 42px;
    }
    .hero::before{
      content:"";
      position:absolute;inset:0 auto auto 50%;
      width:min(1200px, 100%);
      height:620px;
      transform:translateX(-50%);
      background:
        radial-gradient(circle at 20% 30%, rgba(92,242,194,.14), transparent 24%),
        radial-gradient(circle at 80% 20%, rgba(217,184,106,.12), transparent 22%);
      pointer-events:none;
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns: 1.05fr .95fr;
      gap:28px;
      align-items:stretch;
    }
    .hero-copy{
      padding:18px 0 0;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      font-size:.84rem;
      color:#d8fdf3;
      background:rgba(92,242,194,.1);
      border:1px solid rgba(92,242,194,.22);
      border-radius:999px;
      padding:8px 13px;
      margin-bottom:18px;
      letter-spacing:.04em;
    }
    .eyebrow i{
      width:8px;height:8px;border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(92,242,194,.14);
    }
    h1{
      margin:0;
      font-size:clamp(2.2rem, 5vw, 4.7rem);
      line-height:1.04;
      letter-spacing:-.03em;
    }
    .hero-copy p{
      margin:18px 0 0;
      max-width:42rem;
      color:var(--muted);
      font-size:1.05rem;
    }
    .hero-actions{
      display:flex;flex-wrap:wrap;gap:12px;margin-top:28px
    }
    .mini-notes{
      display:flex;flex-wrap:wrap;gap:10px;margin-top:22px
    }
    .mini-notes .tag{
      display:inline-flex;align-items:center;gap:8px;
      padding:9px 12px;border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      color:var(--muted);
      font-size:.9rem;
    }
    .mini-notes .tag b{color:#fff;font-weight:600}
    .hero-visual{
      position:relative;
      min-height:520px;
      border-radius:28px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      background:
        linear-gradient(180deg, rgba(11,15,20,.14), rgba(11,15,20,.7)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-visual::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(8,12,18,.12), rgba(8,12,18,.76) 88%);
    }
    .hero-card{
      position:absolute;left:22px;right:22px;bottom:22px;z-index:1;
      border-radius:22px;
      padding:22px;
      background:rgba(9,13,19,.66);
      border:1px solid rgba(255,255,255,.09);
      backdrop-filter:blur(10px);
      box-shadow:var(--shadow-soft);
    }
    .hero-card-top{
      display:flex;justify-content:space-between;gap:16px;align-items:flex-start;flex-wrap:wrap
    }
    .hero-card h2{
      margin:0 0 6px;font-size:1.22rem
    }
    .hero-card p{
      margin:0;color:var(--muted);max-width:34rem
    }
    .hero-stats{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
      margin-top:18px;
    }
    .stat{
      padding:14px 14px 12px;border-radius:18px;background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08)
    }
    .stat strong{display:block;font-size:1.1rem;color:#fff}
    .stat span{display:block;color:var(--muted);font-size:.88rem;margin-top:4px}
    .pill-group{display:flex;flex-wrap:wrap;gap:8px}
    .pill{
      display:inline-flex;align-items:center;gap:7px;
      padding:7px 10px;border-radius:999px;
      font-size:.82rem;
      background:rgba(92,242,194,.1);
      border:1px solid rgba(92,242,194,.18);
      color:#dffef5;
    }
    .section{
      padding:var(--section) 0 0;
      position:relative;
    }
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px
    }
    .section-title h2{
      margin:0;font-size:clamp(1.45rem, 2.5vw, 2.35rem);line-height:1.16
    }
    .section-title p{
      margin:10px 0 0;color:var(--muted);max-width:64rem
    }
    .section-link{
      color:#d8fff5;
      display:inline-flex;align-items:center;gap:8px;
      padding:10px 14px;border-radius:12px;
      border:1px solid rgba(92,242,194,.18);
      background:rgba(92,242,194,.06);
    }
    .section-link:hover{border-color:rgba(92,242,194,.32);background:rgba(92,242,194,.1)}
    .trust-bar{
      display:grid;
      grid-template-columns:repeat(5,minmax(0,1fr));
      gap:12px;
    }
    .trust-item{
      padding:16px 14px;
      border-radius:18px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.07);
      display:flex;gap:12px;align-items:flex-start;
      min-height:82px;
    }
    .trust-icon{
      width:34px;height:34px;border-radius:12px;flex:0 0 auto;
      background:linear-gradient(135deg, rgba(92,242,194,.18), rgba(217,184,106,.15));
      border:1px solid rgba(92,242,194,.16);
      display:grid;place-items:center;color:var(--brand)
    }
    .trust-item strong{display:block;font-size:.98rem;line-height:1.25}
    .trust-item span{display:block;color:var(--muted);font-size:.88rem;margin-top:4px}
    .highlight-strip{
      margin-top:18px;
      padding:16px 18px;
      border-radius:18px;
      border:1px solid rgba(217,184,106,.18);
      background:linear-gradient(135deg, rgba(217,184,106,.08), rgba(255,255,255,.03));
      color:#f5e7c2;
      display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap
    }
    .highlight-strip b{color:#fff}
    .card-grid{
      display:grid;
      grid-template-columns:repeat(12,minmax(0,1fr));
      gap:18px;
    }
    .content-card{
      grid-column:span 6;
      border-radius:22px;
      overflow:hidden;
      background:linear-gradient(180deg, rgba(255,255,255,.04), rgba(255,255,255,.025));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      transition:transform var(--transition),border-color var(--transition),box-shadow var(--transition),background var(--transition);
      min-height:100%;
    }
    .content-card:hover{
      transform:translateY(-6px);
      border-color:rgba(92,242,194,.24);
      box-shadow:0 18px 36px rgba(0,0,0,.34);
    }
    .content-card a{
      display:grid;
      height:100%;
      grid-template-rows:auto 1fr;
    }
    .thumb{
      position:relative;
      aspect-ratio: 16 / 9;
      overflow:hidden;
      background:#0e141b;
    }
    .thumb img{
      width:100%;height:100%;object-fit:cover;
      transform:scale(1.01);
      transition:transform .45s ease;
    }
    .content-card:hover .thumb img{transform:scale(1.06)}
    .thumb::after{
      content:"";
      position:absolute;inset:0;
      background:linear-gradient(180deg, rgba(0,0,0,.04), rgba(6,8,12,.58));
    }
    .card-body{padding:18px}
    .card-meta{
      display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px
    }
    .badge{
      display:inline-flex;align-items:center;gap:6px;
      padding:6px 10px;border-radius:999px;
      font-size:.78rem;color:#e9fdf7;
      background:rgba(92,242,194,.1);
      border:1px solid rgba(92,242,194,.18);
    }
    .badge.gold{
      color:#fff5dc;
      background:rgba(217,184,106,.12);
      border-color:rgba(217,184,106,.2);
    }
    .card-body h3{
      margin:0;
      font-size:1.22rem;
      line-height:1.36;
      min-height:3.2em;
    }
    .card-body p{
      margin:10px 0 0;
      color:var(--muted);
      min-height:3.2em;
    }
    .card-foot{
      display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:18px
    }
    .meta-line{color:var(--subtle);font-size:.88rem}
    .readmore{
      color:#06100d;font-weight:700;
      background:linear-gradient(135deg, var(--brand), #a8ffe8);
      padding:9px 13px;border-radius:12px;
      box-shadow:0 10px 18px rgba(25,207,166,.12)
    }
    .info-panel{
      display:grid;
      grid-template-columns:1.1fr .9fr;
      gap:18px;
      align-items:stretch;
    }
    .panel{
      padding:24px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
    }
    .panel h3{margin:0;font-size:1.38rem}
    .panel p{margin:12px 0 0;color:var(--muted)}
    .steps{
      margin:18px 0 0;
      padding:0;
      list-style:none;
      display:grid;
      gap:12px;
    }
    .steps li{
      display:flex;align-items:flex-start;gap:12px;
      padding:14px 14px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.08);
      border-radius:16px;
    }
    .step-num{
      width:28px;height:28px;border-radius:10px;flex:0 0 auto;
      display:grid;place-items:center;
      background:rgba(92,242,194,.12);
      border:1px solid rgba(92,242,194,.22);
      color:#dffff4;font-weight:700;font-size:.9rem
    }
    .steps strong{display:block;margin-bottom:4px}
    .steps span{color:var(--muted);font-size:.94rem}
    .search-box{
      display:flex;gap:10px;align-items:center;margin-top:16px
    }
    .search-box input{
      flex:1 1 auto;
      min-width:0;
      height:50px;
      border-radius:14px;
      border:1px solid rgba(255,255,255,.1);
      background:rgba(255,255,255,.03);
      color:var(--text);
      padding:0 15px;
      outline:none;
      transition:border-color var(--transition),box-shadow var(--transition),background var(--transition);
    }
    .search-box input::placeholder{color:#8190a1}
    .search-box input:focus{
      border-color:rgba(92,242,194,.36);
      box-shadow:0 0 0 4px rgba(92,242,194,.08);
      background:rgba(255,255,255,.05);
    }
    .feature-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .feature{
      padding:22px;
      border-radius:22px;
      background:rgba(255,255,255,.035);
      border:1px solid rgba(255,255,255,.08);
      transition:transform var(--transition),border-color var(--transition),background var(--transition);
    }
    .feature:hover{
      transform:translateY(-5px);
      border-color:rgba(92,242,194,.22);
      background:rgba(255,255,255,.05);
    }
    .feature .icon{
      width:46px;height:46px;border-radius:16px;margin-bottom:14px;
      background:linear-gradient(135deg, rgba(92,242,194,.17), rgba(217,184,106,.15));
      border:1px solid rgba(92,242,194,.18);
      display:grid;place-items:center;color:#dffef5;font-size:1.1rem
    }
    .feature h3{margin:0;font-size:1.12rem}
    .feature p{margin:10px 0 0;color:var(--muted)}
    .link-list{
      display:grid;
      gap:10px;
      margin:16px 0 0;
      padding:0;
      list-style:none;
    }
    .link-list a{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      padding:13px 14px;border-radius:14px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.03);
      color:var(--text);
    }
    .link-list a:hover{
      border-color:rgba(92,242,194,.24);
      background:rgba(92,242,194,.06);
    }
    .link-list span{color:var(--muted);font-size:.9rem}
    .faq{
      display:grid;
      gap:12px;
    }
    .faq-item{
      border-radius:18px;
      border:1px solid rgba(255,255,255,.08);
      background:rgba(255,255,255,.035);
      overflow:hidden;
    }
    .faq-question{
      width:100%;
      padding:18px 18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      background:transparent;
      color:#fff;
      border:0;
      text-align:left;
      font-weight:600;
    }
    .faq-question .qicon{
      width:28px;height:28px;border-radius:10px;
      display:grid;place-items:center;
      background:rgba(92,242,194,.12);
      border:1px solid rgba(92,242,194,.18);
      color:#dffef5;
      flex:0 0 auto;
      transition:transform var(--transition),background var(--transition);
    }
    .faq-item.open .qicon{transform:rotate(45deg);background:rgba(217,184,106,.12)}
    .faq-answer{
      max-height:0;overflow:hidden;
      transition:max-height .34s ease;
    }
    .faq-answer div{
      padding:0 18px 18px;
      color:var(--muted);
    }
    .faq-item.open .faq-answer{max-height:200px}
    .cta{
      padding:26px;
      border-radius:28px;
      border:1px solid rgba(92,242,194,.16);
      background:
        radial-gradient(circle at 20% 20%, rgba(92,242,194,.12), transparent 24%),
        radial-gradient(circle at 80% 0%, rgba(217,184,106,.11), transparent 18%),
        linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      flex-wrap:wrap;
    }
    .cta h2{margin:0;font-size:1.8rem}
    .cta p{margin:8px 0 0;color:var(--muted);max-width:54rem}
    .cta-actions{display:flex;flex-wrap:wrap;gap:12px}
    .site-footer{
      margin-top:var(--section);
      padding:34px 0 28px;
      border-top:1px solid rgba(255,255,255,.07);
      background:linear-gradient(180deg, rgba(255,255,255,.01), rgba(255,255,255,.02));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.2fr .9fr .9fr .95fr;
      gap:20px;
    }
    .footer-col h3{
      margin:0 0 14px;
      font-size:1rem;
      color:#fff;
    }
    .footer-col p{
      margin:0;color:var(--muted)
    }
    .footer-links{
      display:grid;gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      width:fit-content
    }
    .footer-links a:hover{color:#fff}
    .footer-note{
      margin-top:24px;
      padding-top:18px;
      border-top:1px solid rgba(255,255,255,.07);
      color:var(--subtle);
      display:flex;
      justify-content:space-between;
      gap:16px;
      flex-wrap:wrap;
      font-size:.9rem;
    }
    .anchor{
      scroll-margin-top:110px;
    }
    @media (max-width: 1080px){
      .hero-grid,.info-panel,.footer-grid{grid-template-columns:1fr}
      .trust-bar{grid-template-columns:repeat(3,minmax(0,1fr))}
      .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .content-card{grid-column:span 12}
      .hero-visual{min-height:460px}
    }
    @media (max-width: 768px){
      .container{width:min(calc(100% - 28px), var(--container))}
      .nav-wrap .nav,.header-actions{display:none}
      .menu-toggle{display:inline-flex}
      .mobile-panel{display:none}
      .hero{padding-top:18px}
      .hero-copy{padding-top:6px}
      .hero-visual{min-height:380px}
      .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr))}
      .feature-grid{grid-template-columns:1fr}
      .section{padding-top:68px}
      .section-head{align-items:flex-start;flex-direction:column}
      .card-body h3{min-height:auto}
      .card-body p{min-height:auto}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 520px){
      .header-inner{min-height:68px}
      .brand-mark{width:38px;height:38px;border-radius:12px}
      .brand-text strong{font-size:.96rem}
      .brand-text span{font-size:.78rem}
      .hero-grid{gap:18px}
      h1{font-size:2rem}
      .hero-copy p{font-size:.98rem}
      .hero-actions,.cta-actions,.search-box{flex-direction:column;align-items:stretch}
      .btn,.search-box input{width:100%}
      .hero-visual{min-height:320px;border-radius:22px}
      .hero-card{left:14px;right:14px;bottom:14px;padding:16px;border-radius:18px}
      .hero-stats{grid-template-columns:1fr}
      .trust-bar{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .cta{padding:20px;border-radius:22px}
      .panel{padding:18px}
      .card-body{padding:16px}
    }

/* roulang page: category1 */
:root{
      --bg:#0b0d0f;
      --bg-2:#111519;
      --surface:#171c21;
      --surface-2:#1d242a;
      --card:#151a1f;
      --text:#f4efe4;
      --muted:#aeb7b8;
      --soft:#7f8b8d;
      --line:rgba(244,239,228,.12);
      --line-strong:rgba(55,224,179,.38);
      --primary:#37e0b3;
      --primary-dark:#1aa98b;
      --accent:#f4b84a;
      --danger:#ff6b5f;
      --shadow:0 20px 60px rgba(0,0,0,.34);
      --shadow-soft:0 12px 34px rgba(0,0,0,.22);
      --radius-lg:26px;
      --radius:18px;
      --radius-sm:12px;
      --container:1180px;
      --header-h:78px;
      --ease:.25s ease;
    }
    *{box-sizing:border-box;margin:0;padding:0}
    html{scroll-behavior:smooth}
    body{
      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(55,224,179,.16), transparent 34%),
        radial-gradient(circle at 88% 18%, rgba(244,184,74,.12), transparent 32%),
        linear-gradient(180deg,#0b0d0f 0%,#101418 44%,#0b0d0f 100%);
      line-height:1.72;
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      opacity:.32;
      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,.9), transparent 74%);
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    button,input{font:inherit}
    button{border:0;cursor:pointer}
    .container{width:min(var(--container), calc(100% - 40px));margin:0 auto}
    .skip-link{
      position:absolute;left:-999px;top:12px;background:var(--primary);color:#06100d;
      padding:10px 14px;border-radius:10px;z-index:999
    }
    .skip-link:focus{left:12px;outline:3px solid rgba(244,184,74,.7)}
    .site-header{
      position:sticky;top:0;z-index:100;
      height:var(--header-h);
      backdrop-filter:blur(18px);
      background:rgba(11,13,15,.78);
      border-bottom:1px solid var(--line);
    }
    .header-inner{
      height:var(--header-h);
      display:flex;align-items:center;justify-content:space-between;gap:22px;
    }
    .brand{
      display:flex;align-items:center;gap:12px;min-width:max-content;
    }
    .brand-mark{
      width:42px;height:42px;border-radius:14px;
      display:grid;place-items:center;
      color:#06100d;font-weight:900;letter-spacing:-.03em;
      background:
        linear-gradient(135deg,var(--primary),#d7ffe9 56%,var(--accent));
      box-shadow:0 0 0 6px rgba(55,224,179,.07), 0 12px 34px rgba(55,224,179,.18);
    }
    .brand-text{display:flex;flex-direction:column;line-height:1.12}
    .brand-title{font-size:17px;font-weight:850;letter-spacing:.01em}
    .brand-sub{font-size:12px;color:var(--muted);margin-top:4px}
    .nav{
      display:flex;align-items:center;justify-content:center;gap:8px;
      padding:7px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.035);
    }
    .nav a{
      position:relative;
      padding:10px 17px;border-radius:999px;color:var(--muted);
      font-size:14px;font-weight:700;transition:color var(--ease), background var(--ease), transform var(--ease);
    }
    .nav a:hover{color:var(--text);background:rgba(255,255,255,.06);transform:translateY(-1px)}
    .nav a.active{
      color:#07110e;background:var(--primary);
      box-shadow:0 8px 22px rgba(55,224,179,.22);
    }
    .header-actions{display:flex;align-items:center;gap:10px}
    .header-cta{
      padding:11px 16px;border-radius:999px;background:rgba(244,184,74,.13);
      border:1px solid rgba(244,184,74,.34);color:#ffe4ad;font-weight:800;font-size:14px;
      transition:transform var(--ease), background var(--ease), border-color var(--ease);
    }
    .header-cta:hover{transform:translateY(-2px);background:rgba(244,184,74,.2);border-color:rgba(244,184,74,.58)}
    .menu-toggle{
      display:none;width:44px;height:44px;border-radius:14px;
      background:var(--surface);border:1px solid var(--line);color:var(--text);
    }
    .menu-toggle span{display:block;width:18px;height:2px;background:currentColor;margin:4px auto;border-radius:2px;transition:var(--ease)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      min-height:46px;padding:12px 18px;border-radius:999px;font-weight:850;
      transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease), background var(--ease), color var(--ease);
      outline:none;
    }
    .btn:focus-visible,.filter-chip:focus-visible,.faq-question:focus-visible,.load-more:focus-visible,input:focus-visible{
      outline:3px solid rgba(55,224,179,.36);outline-offset:3px
    }
    .btn-primary{background:var(--primary);color:#06100d;box-shadow:0 14px 34px rgba(55,224,179,.2)}
    .btn-primary:hover{transform:translateY(-3px);box-shadow:0 18px 44px rgba(55,224,179,.28);background:#51f0c5}
    .btn-secondary{background:rgba(255,255,255,.04);border:1px solid var(--line);color:var(--text)}
    .btn-secondary:hover{transform:translateY(-3px);border-color:var(--line-strong);background:rgba(55,224,179,.08)}
    .badge,.tag{
      display:inline-flex;align-items:center;gap:6px;
      border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.045);
      color:var(--muted);font-size:13px;font-weight:750;
    }
    .badge{padding:8px 12px}
    .tag{padding:6px 10px}
    .tag.hot{border-color:rgba(244,184,74,.38);background:rgba(244,184,74,.1);color:#ffd889}
    main{position:relative}
    .inner-hero{
      padding:64px 0 34px;
      position:relative;
      overflow:hidden;
    }
    .hero-shell{
      position:relative;
      min-height:410px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      overflow:hidden;
      background:
        linear-gradient(90deg, rgba(11,13,15,.92), rgba(11,13,15,.72) 52%, rgba(11,13,15,.42)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .hero-shell::after{
      content:"";
      position:absolute;inset:auto -10% -36% 40%;
      height:260px;background:radial-gradient(circle, rgba(55,224,179,.25), transparent 67%);
      pointer-events:none;
    }
    .hero-content{
      position:relative;z-index:1;
      max-width:790px;
      padding:58px;
    }
    .crumbs{
      display:flex;flex-wrap:wrap;gap:8px;align-items:center;
      color:var(--muted);font-size:14px;margin-bottom:20px;
    }
    .crumbs a{color:#c8d2d0}
    .crumbs a:hover{color:var(--primary)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:9px;
      color:#bfffea;background:rgba(55,224,179,.1);
      border:1px solid rgba(55,224,179,.32);
      border-radius:999px;padding:8px 13px;
      font-size:13px;font-weight:850;margin-bottom:18px;
    }
    .eyebrow::before{
      content:"";width:8px;height:8px;border-radius:99px;background:var(--primary);
      box-shadow:0 0 0 6px rgba(55,224,179,.12)
    }
    h1{
      font-size:clamp(34px,5.3vw,66px);
      line-height:1.06;
      letter-spacing:-.055em;
      font-weight:950;
      max-width:900px;
      margin-bottom:22px;
    }
    .hero-lead{
      max-width:720px;
      color:#d5dedc;
      font-size:18px;
      line-height:1.86;
      margin-bottom:28px;
    }
    .hero-actions{display:flex;flex-wrap:wrap;gap:13px;margin-bottom:30px}
    .hero-points{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;max-width:770px;
    }
    .point{
      border:1px solid var(--line);
      border-radius:16px;
      background:rgba(15,19,22,.72);
      padding:14px;
    }
    .point strong{display:block;font-size:18px;color:var(--primary);margin-bottom:2px}
    .point span{font-size:13px;color:var(--muted)}
    .section{padding:52px 0}
    .section-head{
      display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
      margin-bottom:24px;
    }
    .section-kicker{color:var(--primary);font-weight:900;font-size:14px;letter-spacing:.08em;margin-bottom:7px}
    h2{
      font-size:clamp(26px,3.3vw,42px);
      line-height:1.18;letter-spacing:-.035em;
      font-weight:930;
    }
    .section-desc{color:var(--muted);max-width:650px;font-size:16px}
    .filter-panel{
      border:1px solid var(--line);
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.028));
      padding:18px;
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      box-shadow:var(--shadow-soft);
    }
    .filter-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
    .filter-label{font-size:14px;color:var(--soft);font-weight:800;margin-right:2px}
    .filter-chip{
      border:1px solid var(--line);
      background:rgba(255,255,255,.035);
      color:var(--muted);
      padding:9px 13px;border-radius:999px;
      font-size:14px;font-weight:800;
      transition:var(--ease);
    }
    .filter-chip:hover,.filter-chip.active{background:rgba(55,224,179,.13);border-color:rgba(55,224,179,.42);color:#d9fff2;transform:translateY(-1px)}
    .search-mini{
      display:flex;align-items:center;gap:8px;
      min-width:min(330px,100%);
      padding:8px 8px 8px 14px;border-radius:999px;
      border:1px solid var(--line);background:rgba(0,0,0,.2)
    }
    .search-mini input{
      flex:1;min-width:0;background:transparent;border:0;color:var(--text);outline:0;
    }
    .search-mini input::placeholder{color:#768285}
    .search-mini button{
      border-radius:999px;background:var(--surface-2);color:var(--text);
      padding:8px 12px;font-weight:800;transition:var(--ease)
    }
    .search-mini button:hover{background:var(--primary);color:#06100d}
    .guide-grid{
      display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
    }
    .guide-card{
      position:relative;overflow:hidden;border-radius:var(--radius);
      background:var(--card);border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform var(--ease), border-color var(--ease), box-shadow var(--ease);
    }
    .guide-card:hover{transform:translateY(-6px);border-color:rgba(55,224,179,.38);box-shadow:0 22px 54px rgba(0,0,0,.34)}
    .guide-card .cover{
      position:relative;aspect-ratio:16/10;overflow:hidden;background:#0f1215;
    }
    .guide-card .cover img{width:100%;height:100%;object-fit:cover;filter:saturate(.92) contrast(1.04);transition:transform .5s ease}
    .guide-card:hover .cover img{transform:scale(1.055)}
    .cover::after{
      content:"";position:absolute;inset:0;
      background:linear-gradient(180deg, transparent 35%, rgba(0,0,0,.62));
    }
    .cover-label{
      position:absolute;left:12px;bottom:12px;z-index:1;
      background:rgba(11,13,15,.72);border:1px solid rgba(255,255,255,.14);
      backdrop-filter:blur(10px);border-radius:999px;
      padding:6px 10px;color:#e9fff8;font-size:12px;font-weight:850;
    }
    .card-body{padding:17px}
    .card-meta{display:flex;justify-content:space-between;gap:8px;align-items:center;margin-bottom:10px}
    .time{font-size:12px;color:var(--soft)}
    h3{font-size:19px;line-height:1.34;font-weight:900;letter-spacing:-.02em}
    .guide-card h3{margin-bottom:9px}
    .guide-card p{color:var(--muted);font-size:14px;line-height:1.72}
    .card-foot{
      display:flex;align-items:center;justify-content:space-between;gap:12px;
      margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
    }
    .heat{font-size:13px;color:#ffd889;font-weight:800}
    .enter-link{font-size:14px;color:var(--primary);font-weight:900}
    .enter-link:hover{text-decoration:underline;text-underline-offset:4px}
    .layout-two{
      display:grid;grid-template-columns:minmax(0,1.22fr) minmax(320px,.78fr);gap:22px;align-items:stretch;
    }
    .info-panel{
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:linear-gradient(180deg, rgba(255,255,255,.055), rgba(255,255,255,.028));
      padding:28px;
      box-shadow:var(--shadow-soft);
    }
    .step-list{display:grid;gap:14px;margin-top:20px}
    .step{
      display:grid;grid-template-columns:42px 1fr;gap:14px;
      padding:16px;border-radius:16px;background:rgba(0,0,0,.18);border:1px solid var(--line);
      transition:var(--ease);
    }
    .step:hover{border-color:rgba(55,224,179,.35);transform:translateX(3px)}
    .step-num{
      width:42px;height:42px;border-radius:14px;display:grid;place-items:center;
      background:rgba(55,224,179,.14);color:var(--primary);font-weight:950;
    }
    .step p{color:var(--muted);font-size:14px;margin-top:4px}
    .visual-card{
      border-radius:var(--radius-lg);
      overflow:hidden;min-height:100%;
      border:1px solid var(--line);
      background:var(--surface);
      box-shadow:var(--shadow);
    }
    .visual-card img{width:100%;height:270px;object-fit:cover}
    .visual-card-content{padding:24px}
    .check-list{display:grid;gap:12px;margin-top:16px}
    .check-list li{
      list-style:none;display:flex;gap:10px;align-items:flex-start;
      color:var(--muted);font-size:15px;
    }
    .check-list li::before{
      content:"✓";flex:0 0 22px;width:22px;height:22px;border-radius:999px;
      display:grid;place-items:center;background:rgba(55,224,179,.13);color:var(--primary);font-size:13px;font-weight:900;
      margin-top:2px;
    }
    .scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .scenario{
      padding:24px;border-radius:var(--radius);border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.045), rgba(255,255,255,.02));
      transition:var(--ease);
    }
    .scenario:hover{transform:translateY(-5px);border-color:rgba(244,184,74,.35);background:rgba(244,184,74,.055)}
    .icon-box{
      width:46px;height:46px;border-radius:15px;display:grid;place-items:center;margin-bottom:16px;
      background:rgba(244,184,74,.13);color:#ffd889;font-weight:950;font-size:20px;
    }
    .scenario p{color:var(--muted);font-size:15px;margin-top:8px}
    .notice-band{
      position:relative;overflow:hidden;
      border:1px solid rgba(55,224,179,.25);
      border-radius:var(--radius-lg);
      background:
        linear-gradient(100deg, rgba(55,224,179,.13), rgba(255,255,255,.035) 48%, rgba(244,184,74,.1)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      padding:30px;
      display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;
    }
    .notice-band::before{content:"";position:absolute;inset:0;background:rgba(11,13,15,.62)}
    .notice-band>*{position:relative;z-index:1}
    .notice-band p{color:#d6e1df;max-width:760px;margin-top:8px}
    .faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:24px;align-items:start}
    .faq-intro{
      position:sticky;top:102px;
      border:1px solid var(--line);
      border-radius:var(--radius-lg);
      background:rgba(255,255,255,.035);
      padding:26px;
    }
    .faq-intro p{color:var(--muted);margin-top:12px}
    .faq-list{display:grid;gap:12px}
    .faq-item{
      border:1px solid var(--line);
      border-radius:18px;
      background:rgba(255,255,255,.035);
      overflow:hidden;
      transition:var(--ease);
    }
    .faq-item.open{border-color:rgba(55,224,179,.35);background:rgba(55,224,179,.055)}
    .faq-question{
      width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
      padding:18px 20px;background:transparent;color:var(--text);text-align:left;font-weight:900;
    }
    .faq-question span:last-child{
      flex:0 0 28px;width:28px;height:28px;border-radius:999px;
      display:grid;place-items:center;background:rgba(255,255,255,.06);color:var(--primary);
      transition:transform var(--ease), background var(--ease);
    }
    .faq-item.open .faq-question span:last-child{transform:rotate(45deg);background:rgba(55,224,179,.16)}
    .faq-answer{
      max-height:0;overflow:hidden;transition:max-height .3s ease;
    }
    .faq-answer p{padding:0 20px 18px;color:var(--muted)}
    .load-area{
      margin-top:24px;display:flex;align-items:center;justify-content:center;
    }
    .load-more{
      border:1px solid var(--line);
      background:rgba(255,255,255,.045);
      color:var(--text);border-radius:999px;
      padding:13px 22px;font-weight:900;
      transition:var(--ease);
    }
    .load-more:hover{border-color:rgba(55,224,179,.42);background:rgba(55,224,179,.1);transform:translateY(-2px)}
    .cta-box{
      border-radius:var(--radius-lg);
      border:1px solid rgba(244,184,74,.26);
      background:
        radial-gradient(circle at 18% 20%, rgba(244,184,74,.18), transparent 32%),
        radial-gradient(circle at 82% 16%, rgba(55,224,179,.18), transparent 34%),
        linear-gradient(180deg, rgba(255,255,255,.06), rgba(255,255,255,.025));
      padding:38px;
      display:flex;align-items:center;justify-content:space-between;gap:28px;
      box-shadow:var(--shadow);
    }
    .cta-box p{color:var(--muted);max-width:680px;margin-top:10px}
    .site-footer{
      margin-top:40px;
      padding:54px 0 26px;
      border-top:1px solid var(--line);
      background:rgba(7,9,10,.72);
    }
    .footer-grid{
      display:grid;grid-template-columns:1.35fr .8fr .8fr 1fr;gap:28px;
      padding-bottom:30px;
    }
    .footer-col h3{font-size:17px;margin-bottom:12px}
    .footer-col p{color:var(--muted);font-size:14px;line-height:1.8}
    .footer-links{display:grid;gap:9px}
    .footer-links a{color:var(--muted);font-size:14px;transition:var(--ease)}
    .footer-links a:hover{color:var(--primary);transform:translateX(3px)}
    .footer-note{
      border-top:1px solid var(--line);
      padding-top:18px;
      display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
      color:var(--soft);font-size:13px;
    }
    @media (max-width:1024px){
      .guide-grid{grid-template-columns:repeat(2,1fr)}
      .layout-two{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:repeat(2,1fr)}
      .faq-wrap{grid-template-columns:1fr}
      .faq-intro{position:relative;top:auto}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
      .hero-content{padding:46px}
    }
    @media (max-width:768px){
      :root{--header-h:70px}
      .container{width:min(100% - 28px, var(--container))}
      .site-header.menu-open{background:rgba(11,13,15,.96)}
      .menu-toggle{display:block}
      .header-cta{display:none}
      .nav{
        position:absolute;left:14px;right:14px;top:calc(var(--header-h) + 10px);
        display:none;flex-direction:column;align-items:stretch;border-radius:20px;padding:10px;
        background:rgba(17,21,25,.98);box-shadow:var(--shadow);
      }
      .site-header.menu-open .nav{display:flex}
      .nav a{text-align:center;border-radius:14px}
      .inner-hero{padding-top:30px}
      .hero-shell{min-height:auto;background-position:center}
      .hero-content{padding:34px 24px}
      .hero-points{grid-template-columns:1fr}
      .section{padding:38px 0}
      .section-head{align-items:flex-start;flex-direction:column}
      .filter-panel{align-items:stretch}
      .filter-row,.search-mini{width:100%}
      .guide-grid{grid-template-columns:1fr}
      .scenario-grid{grid-template-columns:1fr}
      .notice-band{grid-template-columns:1fr;padding:24px}
      .cta-box{flex-direction:column;align-items:flex-start;padding:28px}
      .footer-grid{grid-template-columns:1fr}
    }
    @media (max-width:520px){
      .brand-title{font-size:15px}
      .brand-sub{display:none}
      .brand-mark{width:38px;height:38px;border-radius:13px}
      h1{font-size:34px}
      .hero-lead{font-size:16px}
      .hero-actions .btn{width:100%}
      .filter-chip{font-size:13px;padding:8px 10px}
      .step{grid-template-columns:1fr}
      .visual-card img{height:210px}
      .footer-note{align-items:flex-start;flex-direction:column}
    }