/* roulang page: index */
:root{
      --bg:#0f1513;
      --bg-2:#131b18;
      --panel:#18211d;
      --panel-2:#1d2723;
      --line:rgba(231,243,237,.12);
      --line-strong:rgba(127,217,183,.28);
      --text:#eef6f2;
      --muted:#aab8b1;
      --soft:#7f8f88;
      --accent:#2fd39c;
      --accent-2:#1fb783;
      --amber:#d8b15b;
      --shadow:0 18px 50px rgba(0,0,0,.28);
      --shadow-soft:0 10px 26px rgba(0,0,0,.18);
      --radius:18px;
      --radius-lg:26px;
      --container:1200px;
      --gap:24px;
      --gap-lg:34px;
      --speed:.28s ease;
    }
    *{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 top left, rgba(47,211,156,.16), transparent 28%),
        radial-gradient(circle at 80% 12%, rgba(216,177,91,.10), transparent 22%),
        linear-gradient(180deg, #0d1210 0%, #111815 40%, #0f1513 100%);
      line-height:1.72;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background-image:
        linear-gradient(rgba(255,255,255,.02) 1px, transparent 1px),
        linear-gradient(90deg, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:40px 40px;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.65), transparent 92%);
      opacity:.35;
      z-index:-1;
    }
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button,input{font:inherit}
    ::selection{background:rgba(47,211,156,.28);color:#fff}
    .container{
      width:min(var(--container), calc(100% - 32px));
      margin:0 auto;
    }
    .topbar{
      background:linear-gradient(90deg, rgba(47,211,156,.13), rgba(216,177,91,.09));
      border-bottom:1px solid rgba(255,255,255,.06);
      color:#dce9e3;
      font-size:14px;
      letter-spacing:.2px;
    }
    .topbar .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:10px 0;
    }
    .topbar span{
      display:inline-flex;
      align-items:center;
      gap:8px;
      white-space:nowrap;
      overflow:hidden;
      text-overflow:ellipsis;
    }
    .topbar .dot{
      width:8px;
      height:8px;
      border-radius:999px;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(47,211,156,.16);
      flex:none;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:80;
      backdrop-filter:blur(14px);
      background:rgba(13,18,16,.74);
      border-bottom:1px solid rgba(255,255,255,.06);
    }
    .header-inner{
      display:flex;
      align-items:center;
      gap:18px;
      padding:16px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      font-weight:700;
      letter-spacing:.2px;
    }
    .brand-mark{
      width:40px;
      height:40px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:linear-gradient(145deg, rgba(47,211,156,.95), rgba(31,183,131,.72));
      color:#072015;
      box-shadow:0 10px 22px rgba(47,211,156,.25);
      flex:none;
      font-size:15px;
    }
    .brand-text{
      font-size:18px;
      color:#f5fbf8;
      white-space:nowrap;
    }
    .menu-toggle{
      display:none;
      align-items:center;
      gap:8px;
      padding:11px 14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-radius:14px;
      cursor:pointer;
      transition:transform var(--speed), border-color var(--speed), background var(--speed);
    }
    .menu-toggle:hover,
    .menu-toggle:focus-visible{
      transform:translateY(-1px);
      border-color:var(--line-strong);
      background:rgba(255,255,255,.06);
      outline:none;
    }
    .site-nav{
      display:flex;
      align-items:center;
      gap:8px;
      flex:1;
      justify-content:center;
    }
    .nav-link{
      position:relative;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 16px;
      color:var(--muted);
      border-radius:999px;
      border:1px solid transparent;
      transition:transform var(--speed), background var(--speed), color var(--speed), border-color var(--speed);
    }
    .nav-link::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:999px;
      background:transparent;
      transition:background var(--speed), box-shadow var(--speed);
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:#fff;
      background:rgba(255,255,255,.04);
      border-color:rgba(255,255,255,.08);
      transform:translateY(-1px);
      outline:none;
    }
    .nav-link.active{
      color:#fff;
      background:rgba(47,211,156,.12);
      border-color:rgba(47,211,156,.24);
    }
    .nav-link.active::before{
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(47,211,156,.14);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:10px;
      min-height:44px;
      padding:0 18px;
      border-radius:14px;
      border:1px solid transparent;
      cursor:pointer;
      transition:transform var(--speed), background var(--speed), border-color var(--speed), box-shadow var(--speed), color var(--speed);
      white-space:nowrap;
      font-weight:600;
      letter-spacing:.1px;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
      outline:none;
    }
    .btn-primary{
      background:linear-gradient(145deg, var(--accent), var(--accent-2));
      color:#072015;
      box-shadow:0 14px 28px rgba(47,211,156,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 36px rgba(47,211,156,.24);
    }
    .btn-ghost{
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-color:var(--line);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      border-color:var(--line-strong);
      background:rgba(255,255,255,.06);
    }
    .hero{
      position:relative;
      padding:44px 0 26px;
    }
    .hero::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        linear-gradient(180deg, rgba(15,21,19,.22), rgba(15,21,19,.78)),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
      border-bottom:1px solid rgba(255,255,255,.05);
      z-index:-2;
      opacity:.62;
    }
    .hero::after{
      content:"";
      position:absolute;
      inset:0;
      background:radial-gradient(circle at 24% 18%, rgba(47,211,156,.16), transparent 30%), linear-gradient(180deg, rgba(15,21,19,.10), rgba(15,21,19,.86));
      z-index:-1;
    }
    .hero-grid{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:34px;
      align-items:center;
      min-height:680px;
      padding:28px 0 22px;
    }
    .hero-copy{
      padding:16px 0;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:10px;
      padding:8px 12px;
      border:1px solid rgba(47,211,156,.20);
      background:rgba(47,211,156,.08);
      color:#c9f4e4;
      border-radius:999px;
      font-size:13px;
      font-weight:600;
      letter-spacing:.3px;
    }
    .eyebrow .ring{
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(47,211,156,.14);
    }
    h1{
      margin:18px 0 16px;
      font-size:clamp(34px, 4.4vw, 62px);
      line-height:1.07;
      letter-spacing:-.03em;
      font-weight:700;
    }
    .hero-copy p{
      margin:0;
      max-width:640px;
      color:var(--muted);
      font-size:18px;
      line-height:1.88;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:28px;
    }
    .hero-notes{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:22px;
    }
    .note-chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid rgba(255,255,255,.10);
      background:rgba(255,255,255,.03);
      color:#d8e4de;
      font-size:14px;
    }
    .note-chip strong{
      color:#fff;
      font-weight:700;
    }
    .hero-visual{
      position:relative;
      display:grid;
      gap:18px;
    }
    .visual-card{
      position:relative;
      overflow:hidden;
      min-height:450px;
      border-radius:28px;
      border:1px solid rgba(255,255,255,.08);
      background:var(--panel);
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .visual-card img{
      width:100%;
      height:100%;
      object-fit:cover;
      transform:scale(1.02);
    }
    .visual-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(6,10,8,.08), rgba(6,10,8,.72));
      z-index:1;
    }
    .visual-content{
      position:absolute;
      inset:auto 0 0 0;
      z-index:2;
      padding:22px;
      display:grid;
      gap:10px;
    }
    .visual-tag{
      width:max-content;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(15,21,19,.70);
      border:1px solid rgba(255,255,255,.10);
      color:#d7e6df;
      font-size:13px;
      backdrop-filter:blur(10px);
    }
    .visual-content strong{
      font-size:24px;
      line-height:1.2;
    }
    .visual-content p{
      margin:0;
      max-width:430px;
      color:#d4ded9;
    }
    .floating-panel{
      position:absolute;
      right:18px;
      top:18px;
      z-index:3;
      width:min(52%, 230px);
      padding:14px;
      border-radius:20px;
      background:rgba(17,24,21,.80);
      border:1px solid rgba(255,255,255,.10);
      backdrop-filter:blur(12px);
      box-shadow:var(--shadow-soft);
    }
    .floating-panel .mini{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .floating-panel .mini + .mini{margin-top:12px}
    .mini-icon{
      width:36px;
      height:36px;
      border-radius:12px;
      background:rgba(47,211,156,.14);
      border:1px solid rgba(47,211,156,.24);
      display:grid;
      place-items:center;
      color:#b8f2de;
      flex:none;
      font-size:16px;
    }
    .mini span{
      font-size:13px;
      color:var(--muted);
      display:block;
    }
    .mini strong{
      display:block;
      color:#fff;
      font-size:14px;
      line-height:1.3;
    }
    .floating-thumb{
      position:absolute;
      left:18px;
      bottom:18px;
      z-index:3;
      width:min(52%, 220px);
      padding:10px;
      border-radius:18px;
      background:rgba(14,19,17,.82);
      border:1px solid rgba(255,255,255,.09);
      box-shadow:var(--shadow-soft);
      display:flex;
      gap:12px;
      align-items:center;
    }
    .floating-thumb img{
      width:72px;
      height:72px;
      border-radius:14px;
      object-fit:cover;
      flex:none;
    }
    .floating-thumb p{
      margin:0;
      color:#dbe6e0;
      font-size:13px;
      line-height:1.55;
    }
    .section{
      padding:76px 0 0;
    }
    .section-header{
      display:flex;
      justify-content:space-between;
      align-items:end;
      gap:20px;
      margin-bottom:24px;
    }
    .section-title{
      margin:0;
      font-size:clamp(26px, 2.8vw, 40px);
      line-height:1.12;
      font-weight:700;
      letter-spacing:-.02em;
    }
    .section-desc{
      margin:0;
      max-width:640px;
      color:var(--muted);
      font-size:16px;
      line-height:1.8;
    }
    .trust-grid{
      display:grid;
      grid-template-columns:repeat(4, 1fr);
      gap:18px;
    }
    .trust-card{
      position:relative;
      padding:22px 20px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform var(--speed), border-color var(--speed), box-shadow var(--speed);
      min-height:164px;
    }
    .trust-card:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      box-shadow:0 16px 34px rgba(0,0,0,.24);
    }
    .trust-icon{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#071914;
      background:linear-gradient(145deg, var(--accent), #53e2b0);
      box-shadow:0 12px 24px rgba(47,211,156,.18);
      font-size:18px;
    }
    .trust-card h3{
      margin:14px 0 8px;
      font-size:18px;
      line-height:1.35;
    }
    .trust-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
      line-height:1.8;
    }
    .dual-grid{
      display:grid;
      grid-template-columns:1.18fr .82fr;
      gap:20px;
    }
    .feature-card,
    .side-card{
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform var(--speed), border-color var(--speed), box-shadow var(--speed);
    }
    .feature-card:hover,
    .side-card:hover,
    .guide-card:hover{
      transform:translateY(-3px);
      border-color:var(--line-strong);
      box-shadow:0 18px 40px rgba(0,0,0,.26);
    }
    .feature-card{
      display:grid;
      grid-template-columns:1fr;
    }
    .feature-media{
      position:relative;
      min-height:320px;
      background:#101714;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .feature-card:hover .feature-media img,
    .side-card:hover .side-media img,
    .guide-card:hover .guide-visual img{
      transform:scale(1.05);
    }
    .feature-media::after,
    .side-media::after,
    .guide-visual::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 20%, rgba(6,10,8,.82));
      pointer-events:none;
    }
    .card-body{
      padding:22px;
    }
    .badge{
      display:inline-flex;
      align-items:center;
      gap:7px;
      padding:7px 12px;
      border-radius:999px;
      font-size:12px;
      font-weight:700;
      letter-spacing:.2px;
      color:#dff5ec;
      background:rgba(47,211,156,.10);
      border:1px solid rgba(47,211,156,.18);
    }
    .badge.amber{
      color:#fff4da;
      background:rgba(216,177,91,.10);
      border-color:rgba(216,177,91,.20);
    }
    .card-body h3{
      margin:14px 0 10px;
      font-size:24px;
      line-height:1.28;
    }
    .card-body p{
      margin:0;
      color:var(--muted);
      line-height:1.82;
    }
    .list{
      list-style:none;
      padding:0;
      margin:18px 0 0;
      display:grid;
      gap:12px;
    }
    .list li{
      position:relative;
      padding-left:20px;
      color:#d7e3dd;
      line-height:1.65;
    }
    .list li::before{
      content:"";
      position:absolute;
      left:0;
      top:.65em;
      width:8px;
      height:8px;
      border-radius:50%;
      background:var(--accent);
      box-shadow:0 0 0 4px rgba(47,211,156,.12);
    }
    .card-footer{
      margin-top:18px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
    }
    .link-arrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      font-weight:600;
      color:#dcf8ee;
    }
    .link-arrow span{
      width:24px;
      height:24px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(47,211,156,.12);
      border:1px solid rgba(47,211,156,.20);
      transition:transform var(--speed), background var(--speed);
    }
    .link-arrow:hover span{
      transform:translateX(2px);
      background:rgba(47,211,156,.18);
    }
    .side-grid{
      display:grid;
      gap:20px;
    }
    .side-card{
      display:grid;
      grid-template-columns:132px 1fr;
      min-height:192px;
    }
    .side-media{
      position:relative;
      min-height:100%;
      background:#101714;
    }
    .side-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .side-card .card-body{
      padding:20px;
    }
    .side-card h3{
      margin:12px 0 8px;
      font-size:20px;
      line-height:1.3;
    }
    .side-card p{
      font-size:14px;
    }
    .guide-shell{
      display:grid;
      grid-template-columns:1fr .95fr;
      gap:20px;
      align-items:stretch;
    }
    .search-panel{
      padding:26px;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(255,255,255,.035), rgba(255,255,255,.02));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .search-panel h3{
      margin:0 0 10px;
      font-size:26px;
      line-height:1.24;
    }
    .search-panel p{
      margin:0 0 20px;
      color:var(--muted);
      line-height:1.8;
    }
    .quick-search{
      display:flex;
      gap:10px;
      align-items:center;
      flex-wrap:wrap;
      margin-bottom:18px;
    }
    .quick-search input{
      flex:1 1 260px;
      min-height:48px;
      padding:0 16px;
      border-radius:14px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:var(--text);
      outline:none;
      transition:border-color var(--speed), background var(--speed), box-shadow var(--speed);
    }
    .quick-search input::placeholder{color:#90a29b}
    .quick-search input:focus{
      border-color:rgba(47,211,156,.40);
      box-shadow:0 0 0 4px rgba(47,211,156,.10);
      background:rgba(255,255,255,.05);
    }
    .chip-row{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      color:#d7e3dd;
      transition:transform var(--speed), border-color var(--speed), background var(--speed);
    }
    .chip:hover,
    .chip:focus-visible{
      transform:translateY(-1px);
      border-color:var(--line-strong);
      background:rgba(47,211,156,.08);
      outline:none;
    }
    .guide-card{
      overflow:hidden;
      border-radius:24px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(255,255,255,.03), rgba(255,255,255,.02));
      box-shadow:var(--shadow-soft);
      position:relative;
    }
    .guide-visual{
      position:relative;
      min-height:260px;
      background:#111815;
    }
    .guide-visual img{
      width:100%;
      height:100%;
      object-fit:cover;
      transition:transform .5s ease;
    }
    .guide-visual .tag-badge{
      position:absolute;
      left:18px;
      top:18px;
      z-index:2;
      padding:8px 12px;
      border-radius:999px;
      background:rgba(15,21,19,.78);
      border:1px solid rgba(255,255,255,.12);
      color:#eef8f3;
      font-size:13px;
      backdrop-filter:blur(10px);
    }
    .guide-content{
      padding:22px;
    }
    .guide-content h3{
      margin:0 0 10px;
      font-size:22px;
      line-height:1.28;
    }
    .guide-content p{
      margin:0;
      color:var(--muted);
      line-height:1.8;
    }
    .stats-grid{
      display:grid;
      grid-template-columns:repeat(3, 1fr);
      gap:18px;
    }
    .stat-card{
      padding:24px;
      border-radius:22px;
      background:linear-gradient(180deg, rgba(47,211,156,.07), rgba(255,255,255,.02));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
    }
    .stat-card .kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#cdebe0;
      font-size:13px;
      font-weight:700;
    }
    .stat-card h3{
      margin:12px 0 10px;
      font-size:20px;
      line-height:1.35;
    }
    .stat-card p{
      margin:0;
      color:var(--muted);
      line-height:1.78;
      font-size:14px;
    }
    .faq-wrap{
      display:grid;
      gap:14px;
    }
    details.faq-item{
      border-radius:18px;
      border:1px solid var(--line);
      background:rgba(255,255,255,.03);
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:border-color var(--speed), transform var(--speed), background var(--speed);
    }
    details.faq-item[open]{
      border-color:var(--line-strong);
      background:rgba(255,255,255,.05);
    }
    details.faq-item:hover{
      transform:translateY(-2px);
      border-color:var(--line-strong);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      justify-content:space-between;
      align-items:center;
      gap:18px;
      font-weight:700;
      font-size:17px;
    }
    summary::-webkit-details-marker{display:none}
    summary span{
      display:inline-flex;
      align-items:center;
      gap:10px;
    }
    .faq-sign{
      width:30px;
      height:30px;
      border-radius:999px;
      display:grid;
      place-items:center;
      background:rgba(47,211,156,.12);
      border:1px solid rgba(47,211,156,.20);
      color:#dff4eb;
      flex:none;
      transition:transform var(--speed), background var(--speed);
    }
    details[open] .faq-sign{
      transform:rotate(45deg);
      background:rgba(216,177,91,.12);
      border-color:rgba(216,177,91,.24);
    }
    .faq-body{
      padding:0 22px 22px;
      color:var(--muted);
      line-height:1.86;
    }
    .cta-panel{
      position:relative;
      overflow:hidden;
      padding:30px;
      border-radius:28px;
      border:1px solid rgba(47,211,156,.20);
      background:
        linear-gradient(135deg, rgba(47,211,156,.13), rgba(216,177,91,.10)),
        rgba(255,255,255,.03);
      box-shadow:0 24px 48px rgba(0,0,0,.24);
    }
    .cta-panel::before{
      content:"";
      position:absolute;
      inset:-30% -10% auto auto;
      width:280px;
      height:280px;
      background:radial-gradient(circle, rgba(47,211,156,.22), transparent 68%);
      pointer-events:none;
    }
    .cta-panel h2{
      margin:0 0 10px;
      font-size:clamp(28px, 3vw, 42px);
      line-height:1.15;
    }
    .cta-panel p{
      margin:0;
      max-width:760px;
      color:#dfeae5;
      line-height:1.82;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex-wrap:wrap;
      margin-top:22px;
    }
    .site-footer{
      margin-top:76px;
      border-top:1px solid rgba(255,255,255,.06);
      background:rgba(8,12,10,.70);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.1fr .8fr .9fr;
      gap:24px;
      padding:34px 0 26px;
    }
    .footer-brand .brand{
      margin-bottom:14px;
    }
    .footer-brand p{
      margin:0;
      color:var(--muted);
      line-height:1.82;
      max-width:360px;
    }
    .footer-title{
      margin:0 0 14px;
      font-size:17px;
      font-weight:700;
      color:#f4faf7;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      transition:color var(--speed), transform var(--speed);
      width:max-content;
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#fff;
      transform:translateX(2px);
      outline:none;
    }
    .footer-note{
      color:var(--soft);
      line-height:1.8;
      font-size:14px;
    }
    .footer-bottom{
      padding:18px 0 24px;
      border-top:1px solid rgba(255,255,255,.06);
      color:#87958f;
      font-size:13px;
      display:flex;
      justify-content:space-between;
      gap:10px;
      flex-wrap:wrap;
    }
    .anchor-offset{scroll-margin-top:100px}
    .visually-hidden{
      position:absolute!important;
      width:1px;height:1px;
      padding:0;margin:-1px;
      overflow:hidden;clip:rect(0,0,0,0);
      white-space:nowrap;border:0;
    }
    :focus-visible{
      outline:2px solid rgba(47,211,156,.65);
      outline-offset:3px;
    }
    @media (max-width: 1200px){
      .hero-grid{min-height:unset;padding-top:18px}
      .trust-grid{grid-template-columns:repeat(2, 1fr)}
      .dual-grid,.guide-shell,.footer-grid{grid-template-columns:1fr}
      .side-grid{grid-template-columns:repeat(2, 1fr)}
    }
    @media (max-width: 992px){
      .header-inner{
        flex-wrap:wrap;
      }
      .site-nav{
        order:4;
        width:100%;
        justify-content:flex-start;
        overflow-x:auto;
        padding-bottom:2px;
      }
      .header-actions{
        margin-left:auto;
      }
      .menu-toggle{display:inline-flex}
      .hero-grid{
        grid-template-columns:1fr;
        gap:24px;
      }
      .hero-copy p{max-width:100%}
      .visual-card{min-height:420px}
      .section-header{
        flex-direction:column;
        align-items:flex-start;
      }
      .stats-grid{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 24px))}
      .topbar .container{flex-direction:column;align-items:flex-start}
      .header-actions{
        width:100%;
        justify-content:flex-start;
        flex-wrap:wrap;
      }
      .site-nav{
        display:none;
        width:100%;
        flex-direction:column;
        align-items:stretch;
        gap:6px;
        padding:10px 0 2px;
      }
      .site-nav.open{display:flex}
      .nav-link{
        width:100%;
        justify-content:flex-start;
        border-radius:16px;
      }
      .trust-grid{grid-template-columns:1fr}
      .side-grid{grid-template-columns:1fr}
      .side-card{grid-template-columns:1fr}
      .guide-shell{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr}
      .floating-panel,
      .floating-thumb{
        position:relative;
        inset:auto;
        width:100%;
        left:auto;
        right:auto;
        bottom:auto;
      }
      .visual-card{min-height:360px}
      .card-body{padding:20px}
      .hero{padding-top:30px}
      .section{padding-top:62px}
      summary{padding:18px 18px}
      .faq-body{padding:0 18px 18px}
      .cta-panel{padding:24px}
    }
    @media (max-width: 576px){
      .brand-text{font-size:16px}
      .menu-toggle{width:100%;justify-content:center}
      .header-actions{width:100%}
      .btn{width:100%}
      .hero-copy p{font-size:16px}
      h1{font-size:clamp(30px, 10vw, 42px)}
      .section-title{font-size:clamp(24px, 8vw, 32px)}
      .search-panel{padding:20px}
      .search-panel h3{font-size:22px}
      .card-body h3{font-size:20px}
      .footer-bottom{font-size:12px}
      .quick-search input,.quick-search .btn{width:100%}
    }

/* roulang page: category1 */
:root{
      --bg:#07100d;
      --bg-2:#0d1714;
      --bg-3:#12211d;
      --card:#101a17;
      --card-2:#14231f;
      --text:#eef5f2;
      --muted:#9db3ab;
      --line:rgba(255,255,255,.08);
      --line-2:rgba(83, 198, 154, .18);
      --brand:#29c68a;
      --brand-2:#1ba76f;
      --gold:#d8b25c;
      --shadow:0 24px 60px rgba(0,0,0,.34);
      --shadow-soft:0 12px 28px rgba(0,0,0,.22);
      --radius:18px;
      --radius-sm:14px;
      --radius-xs:12px;
      --container:1180px;
      --gap:24px;
      --ease:cubic-bezier(.2,.8,.2,1);
    }
    *{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;
      line-height:1.7;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(41,198,138,.15), transparent 28%),
        radial-gradient(circle at 85% 15%, rgba(216,178,92,.09), transparent 24%),
        linear-gradient(180deg, #08110e 0%, #091411 38%, #07100d 100%);
      min-height:100vh;
      overflow-x:hidden;
    }
    body::before{
      content:"";
      position:fixed;
      inset:0;
      pointer-events:none;
      background:
        linear-gradient(transparent 0, rgba(255,255,255,.025) 1px, transparent 1px),
        linear-gradient(90deg, transparent 0, rgba(255,255,255,.02) 1px, transparent 1px);
      background-size:100% 26px, 26px 100%;
      opacity:.18;
      mask-image:linear-gradient(180deg, rgba(0,0,0,.8), rgba(0,0,0,.2) 78%, transparent);
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    .container{
      width:min(var(--container), calc(100% - 40px));
      margin:0 auto;
    }
    .skip-link{
      position:absolute;
      left:-999px;
      top:12px;
      z-index:100;
      background:var(--brand);
      color:#03110b;
      padding:10px 14px;
      border-radius:999px;
      font-weight:700;
    }
    .skip-link:focus{left:16px;outline:none}
    .topbar{
      position:relative;
      z-index:20;
      border-bottom:1px solid var(--line);
      background:rgba(8,16,13,.76);
      backdrop-filter:blur(14px);
    }
    .topbar .container{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:16px;
      padding:10px 0;
      font-size:13px;
      color:var(--muted);
    }
    .topbar strong{
      color:#dcf8ec;
      font-weight:700;
    }
    .topbar .tip{
      display:flex;
      align-items:center;
      gap:10px;
      min-width:0;
    }
    .tip-dot{
      width:8px;height:8px;border-radius:50%;
      background:var(--brand);
      box-shadow:0 0 0 6px rgba(41,198,138,.12);
      flex:none;
    }
    .site-header{
      position:sticky;
      top:0;
      z-index:50;
      border-bottom:1px solid rgba(255,255,255,.06);
      background:rgba(7,16,13,.78);
      backdrop-filter:blur(18px);
      box-shadow:0 1px 0 rgba(255,255,255,.03);
    }
    .site-header.scrolled{
      background:rgba(7,16,13,.9);
    }
    .header-inner{
      display:flex;
      align-items:center;
      gap:20px;
      padding:16px 0;
    }
    .brand{
      display:inline-flex;
      align-items:center;
      gap:12px;
      min-width:0;
      color:var(--text);
      font-weight:800;
      letter-spacing:.2px;
    }
    .brand-mark{
      width:42px;
      height:42px;
      border-radius:14px;
      display:grid;
      place-items:center;
      color:#06110d;
      background:
        linear-gradient(135deg, rgba(41,198,138,1), rgba(26,160,109,1));
      box-shadow:0 12px 26px rgba(41,198,138,.24);
      font-size:16px;
      flex:none;
    }
    .brand-text{
      display:flex;
      flex-direction:column;
      gap:2px;
      line-height:1.1;
    }
    .brand-text small{
      color:var(--muted);
      font-weight:600;
      font-size:12px;
      letter-spacing:.1px;
    }
    .site-nav{
      display:flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      margin-left:auto;
      margin-right:auto;
      padding:6px;
      border-radius:999px;
      background:rgba(255,255,255,.03);
      border:1px solid rgba(255,255,255,.05);
    }
    .nav-link{
      padding:10px 18px;
      border-radius:999px;
      color:var(--muted);
      font-size:14px;
      font-weight:700;
      letter-spacing:.2px;
      transition:transform .22s var(--ease), background .22s var(--ease), color .22s var(--ease), box-shadow .22s var(--ease);
      outline:none;
    }
    .nav-link:hover,
    .nav-link:focus-visible{
      color:var(--text);
      background:rgba(255,255,255,.05);
      transform:translateY(-1px);
    }
    .nav-link.active{
      color:#03120d;
      background:linear-gradient(135deg, var(--brand), #8ef0c6);
      box-shadow:0 12px 24px rgba(41,198,138,.18);
    }
    .header-actions{
      display:flex;
      align-items:center;
      gap:10px;
      flex:none;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      gap:8px;
      min-height:44px;
      padding:0 18px;
      border-radius:999px;
      border:1px solid transparent;
      font-weight:700;
      font-size:14px;
      transition:transform .22s var(--ease), background .22s var(--ease), border-color .22s var(--ease), box-shadow .22s var(--ease), color .22s var(--ease);
      cursor:pointer;
      white-space:nowrap;
      outline:none;
    }
    .btn:hover,
    .btn:focus-visible{
      transform:translateY(-1px);
    }
    .btn-primary{
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      color:#05110c;
      box-shadow:0 16px 30px rgba(41,198,138,.18);
    }
    .btn-primary:hover,
    .btn-primary:focus-visible{
      box-shadow:0 18px 34px rgba(41,198,138,.24);
    }
    .btn-ghost{
      background:rgba(255,255,255,.03);
      color:var(--text);
      border-color:rgba(255,255,255,.1);
    }
    .btn-ghost:hover,
    .btn-ghost:focus-visible{
      border-color:rgba(142,240,198,.34);
      background:rgba(142,240,198,.08);
      box-shadow:0 10px 24px rgba(0,0,0,.18);
    }
    .hero{
      position:relative;
      margin:26px 0 18px;
      padding:24px 0 10px;
    }
    .hero-shell{
      position:relative;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(9,19,16,.76), rgba(12,22,19,.84)),
        url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
      isolation:isolate;
    }
    .hero-shell::before{
      content:"";
      position:absolute;
      inset:0;
      background:
        radial-gradient(circle at 20% 20%, rgba(41,198,138,.18), transparent 28%),
        linear-gradient(90deg, rgba(4,11,8,.92) 0%, rgba(6,13,10,.78) 38%, rgba(6,13,10,.4) 100%);
      z-index:-1;
    }
    .hero-inner{
      display:grid;
      grid-template-columns:1.06fr .94fr;
      gap:28px;
      align-items:center;
      padding:34px;
      position:relative;
      z-index:1;
    }
    .eyebrow{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:8px 12px;
      border-radius:999px;
      border:1px solid rgba(142,240,198,.18);
      background:rgba(7,18,14,.58);
      color:#b9eedd;
      font-size:13px;
      font-weight:700;
      letter-spacing:.2px;
    }
    .eyebrow .dot{
      width:7px;height:7px;border-radius:50%;
      background:var(--gold);
      box-shadow:0 0 0 5px rgba(216,178,92,.12);
    }
    .hero h1{
      margin:16px 0 14px;
      font-size:clamp(34px, 5vw, 58px);
      line-height:1.06;
      letter-spacing:-.8px;
      font-weight:800;
      max-width:11em;
    }
    .hero p{
      margin:0;
      color:#c8d9d3;
      font-size:16px;
      max-width:42rem;
    }
    .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin:22px 0;
    }
    .meta-pill{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:10px 14px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#e5f6ef;
      font-size:13px;
      font-weight:700;
    }
    .meta-pill b{
      color:var(--gold);
      font-weight:800;
    }
    .hero-actions{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:8px;
    }
    .hero-note{
      margin-top:18px;
      color:var(--muted);
      font-size:13px;
    }
    .hero-visual{
      position:relative;
      min-height:480px;
      display:flex;
      align-items:flex-end;
      justify-content:center;
    }
    .visual-card{
      width:min(100%, 420px);
      border-radius:24px;
      overflow:hidden;
      background:var(--card);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow);
      position:relative;
    }
    .visual-card img{
      width:100%;
      aspect-ratio:4/5;
      object-fit:cover;
      filter:saturate(1.02) contrast(1.02);
      transform:scale(1.01);
    }
    .visual-card::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, transparent 18%, rgba(6,13,10,.12) 56%, rgba(6,13,10,.84) 100%);
      pointer-events:none;
    }
    .visual-caption{
      position:absolute;
      left:16px;
      right:16px;
      bottom:16px;
      z-index:2;
      display:grid;
      gap:8px;
    }
    .visual-caption .title{
      font-size:18px;
      font-weight:800;
      letter-spacing:.2px;
    }
    .visual-caption .desc{
      color:#d3e4de;
      font-size:13px;
    }
    .floating{
      position:absolute;
      border-radius:18px;
      padding:14px 16px;
      backdrop-filter:blur(12px);
      background:rgba(9,18,15,.68);
      border:1px solid rgba(255,255,255,.08);
      box-shadow:var(--shadow-soft);
      min-width:160px;
    }
    .floating strong{
      display:block;
      font-size:15px;
      margin-bottom:4px;
    }
    .floating span{
      color:var(--muted);
      font-size:13px;
    }
    .floating.top{
      top:16px;
      right:12px;
      border-color:rgba(41,198,138,.22);
    }
    .floating.bottom{
      left:0;
      bottom:22px;
      transform:translateX(-18%);
      border-color:rgba(216,178,92,.18);
    }
    .section{
      padding:24px 0;
      scroll-margin-top:102px;
    }
    .section-head{
      display:flex;
      align-items:flex-end;
      justify-content:space-between;
      gap:18px;
      margin-bottom:18px;
    }
    .section-title{
      margin:0;
      font-size:clamp(24px, 3vw, 34px);
      line-height:1.2;
      font-weight:800;
      letter-spacing:-.4px;
    }
    .section-subtitle{
      margin:8px 0 0;
      color:var(--muted);
      max-width:60rem;
      font-size:15px;
    }
    .section-action{
      color:#c5f4df;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .trust-grid{
      display:grid;
      grid-template-columns:repeat(4,1fr);
      gap:18px;
    }
    .trust-card{
      position:relative;
      overflow:hidden;
      padding:22px;
      background:linear-gradient(180deg, rgba(17,29,25,.98), rgba(13,24,21,.96));
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow-soft);
      transition:transform .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
      min-height:180px;
    }
    .trust-card:hover{
      transform:translateY(-3px);
      border-color:rgba(41,198,138,.22);
      box-shadow:0 20px 44px rgba(0,0,0,.28);
    }
    .icon{
      width:44px;
      height:44px;
      border-radius:14px;
      display:grid;
      place-items:center;
      background:rgba(41,198,138,.12);
      border:1px solid rgba(41,198,138,.2);
      margin-bottom:14px;
    }
    .icon svg{
      width:22px;height:22px;
      stroke:#8df1c8;
    }
    .trust-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.25;
    }
    .trust-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .featured-grid{
      display:grid;
      grid-template-columns:1.35fr .65fr;
      gap:18px;
    }
    .featured-main,
    .featured-side{
      display:grid;
      gap:18px;
    }
    .feature-card{
      overflow:hidden;
      border-radius:24px;
      background:linear-gradient(180deg, rgba(17,29,25,.98), rgba(10,18,15,.98));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform .25s var(--ease), border-color .25s var(--ease);
    }
    .feature-card:hover{
      transform:translateY(-3px);
      border-color:rgba(41,198,138,.24);
    }
    .feature-card.hero-card{
      display:grid;
      grid-template-columns:1.05fr .95fr;
      min-height:340px;
    }
    .feature-media{
      position:relative;
      min-height:100%;
    }
    .feature-media img{
      width:100%;
      height:100%;
      object-fit:cover;
      aspect-ratio:4/3;
      filter:saturate(1.05) contrast(1.02);
      transition:transform .5s var(--ease);
    }
    .feature-card:hover .feature-media img{transform:scale(1.03)}
    .image-overlay{
      position:absolute;
      inset:0;
      background:linear-gradient(180deg, rgba(2,7,5,.18) 0%, rgba(2,7,5,.24) 40%, rgba(2,7,5,.82) 100%);
    }
    .feature-body{
      padding:24px;
      display:flex;
      flex-direction:column;
      justify-content:space-between;
      gap:18px;
    }
    .tag-row{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:12px;
    }
    .tag{
      display:inline-flex;
      align-items:center;
      gap:6px;
      padding:7px 11px;
      border-radius:999px;
      background:rgba(41,198,138,.11);
      border:1px solid rgba(41,198,138,.18);
      color:#c9f7e6;
      font-size:12px;
      font-weight:700;
      line-height:1;
    }
    .tag.gold{
      background:rgba(216,178,92,.12);
      border-color:rgba(216,178,92,.18);
      color:#f5dfaa;
    }
    .feature-body h3{
      margin:0 0 10px;
      font-size:24px;
      line-height:1.18;
      font-weight:800;
    }
    .feature-body p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .feature-points{
      margin:0;
      padding:0;
      list-style:none;
      display:grid;
      gap:10px;
    }
    .feature-points li{
      display:flex;
      gap:10px;
      align-items:flex-start;
      color:#dbe8e2;
      font-size:14px;
    }
    .feature-points li::before{
      content:"";
      width:8px;
      height:8px;
      margin-top:8px;
      border-radius:50%;
      background:linear-gradient(135deg, var(--brand), var(--gold));
      box-shadow:0 0 0 4px rgba(41,198,138,.1);
      flex:none;
    }
    .feature-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:14px;
      padding-top:8px;
    }
    .feature-footer .small-note{
      color:var(--muted);
      font-size:13px;
    }
    .mini-card{
      padding:18px;
      display:grid;
      gap:12px;
      grid-template-columns:110px 1fr;
      align-items:center;
      min-height:170px;
    }
    .mini-card .thumb{
      width:110px;
      height:110px;
      border-radius:18px;
      overflow:hidden;
      border:1px solid rgba(255,255,255,.08);
      flex:none;
      background:var(--card);
    }
    .mini-card .thumb img{
      width:100%;
      height:100%;
      object-fit:cover;
    }
    .mini-card h4{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.24;
    }
    .mini-card p{
      margin:0;
      color:var(--muted);
      font-size:13px;
    }
    .mini-card .more{
      display:inline-flex;
      margin-top:12px;
      color:#d9fff0;
      font-weight:700;
      font-size:13px;
    }
    .guide-wrap{
      padding:24px;
      border-radius:28px;
      border:1px solid var(--line);
      background:
        linear-gradient(180deg, rgba(16,27,24,.96), rgba(11,20,17,.96));
      box-shadow:var(--shadow-soft);
    }
    .chip-list{
      display:flex;
      flex-wrap:wrap;
      gap:12px;
      margin-top:18px;
    }
    .chip{
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:11px 15px;
      border-radius:999px;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#e3f1eb;
      font-size:14px;
      font-weight:700;
      transition:transform .22s var(--ease), border-color .22s var(--ease), background .22s var(--ease);
    }
    .chip:hover{
      transform:translateY(-2px);
      border-color:rgba(41,198,138,.24);
      background:rgba(41,198,138,.08);
    }
    .flow-grid{
      display:grid;
      grid-template-columns:repeat(3,1fr);
      gap:18px;
    }
    .flow-card{
      padding:22px;
      border-radius:var(--radius);
      background:linear-gradient(180deg, rgba(17,29,25,.98), rgba(13,23,20,.96));
      border:1px solid var(--line);
      box-shadow:var(--shadow-soft);
      transition:transform .25s var(--ease), border-color .25s var(--ease);
    }
    .flow-card:hover{
      transform:translateY(-3px);
      border-color:rgba(216,178,92,.2);
    }
    .flow-index{
      width:36px;
      height:36px;
      display:grid;
      place-items:center;
      border-radius:12px;
      background:rgba(216,178,92,.12);
      border:1px solid rgba(216,178,92,.2);
      color:#f2dca4;
      font-weight:800;
      margin-bottom:14px;
    }
    .flow-card h3{
      margin:0 0 8px;
      font-size:18px;
    }
    .flow-card p{
      margin:0;
      color:var(--muted);
      font-size:14px;
    }
    .faq-grid{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:16px;
    }
    details.faq-item{
      border-radius:20px;
      border:1px solid var(--line);
      background:linear-gradient(180deg, rgba(16,27,24,.98), rgba(11,20,17,.98));
      box-shadow:var(--shadow-soft);
      overflow:hidden;
      transition:border-color .22s var(--ease), transform .22s var(--ease);
    }
    details.faq-item:hover{
      border-color:rgba(41,198,138,.2);
      transform:translateY(-2px);
    }
    summary{
      list-style:none;
      cursor:pointer;
      padding:20px 22px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
      font-weight:800;
      font-size:16px;
      outline:none;
    }
    summary::-webkit-details-marker{display:none}
    .faq-item summary::after{
      content:"+";
      width:30px;height:30px;
      display:grid;
      place-items:center;
      border-radius:50%;
      background:rgba(255,255,255,.04);
      border:1px solid rgba(255,255,255,.08);
      color:#dfeee8;
      flex:none;
      transition:transform .22s var(--ease), background .22s var(--ease);
    }
    details[open].faq-item summary::after{
      content:"–";
      background:rgba(41,198,138,.12);
      transform:rotate(0);
      color:#c9f7e6;
    }
    .faq-content{
      padding:0 22px 20px;
      color:var(--muted);
      font-size:14px;
    }
    .cta{
      margin:24px 0 34px;
    }
    .cta-inner{
      position:relative;
      overflow:hidden;
      padding:30px;
      border-radius:30px;
      border:1px solid rgba(41,198,138,.22);
      background:
        linear-gradient(135deg, rgba(12,22,18,.96), rgba(8,16,13,.98)),
        url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
      box-shadow:var(--shadow);
    }
    .cta-inner::after{
      content:"";
      position:absolute;
      inset:0;
      background:linear-gradient(90deg, rgba(7,15,12,.96) 0%, rgba(7,15,12,.78) 42%, rgba(7,15,12,.9) 100%);
      pointer-events:none;
    }
    .cta-grid{
      position:relative;
      z-index:1;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:18px;
    }
    .cta h2{
      margin:0 0 8px;
      font-size:clamp(26px, 3.4vw, 38px);
      line-height:1.15;
      font-weight:800;
    }
    .cta p{
      margin:0;
      color:#d1e1da;
      max-width:48rem;
      font-size:15px;
    }
    .cta-actions{
      display:flex;
      gap:12px;
      flex:none;
    }
    .site-footer{
      margin-top:18px;
      padding:34px 0 24px;
      border-top:1px solid var(--line);
      background:linear-gradient(180deg, rgba(8,16,13,.3), rgba(6,12,10,.9));
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.3fr .8fr 1fr;
      gap:26px;
    }
    .footer-brand .brand{
      margin-bottom:14px;
    }
    .site-footer p,
    .footer-note{
      color:var(--muted);
      font-size:14px;
      margin:0;
    }
    .footer-title{
      margin-bottom:14px;
      font-size:15px;
      font-weight:800;
      color:#f1f7f4;
    }
    .footer-links{
      display:grid;
      gap:10px;
    }
    .footer-links a{
      color:var(--muted);
      width:max-content;
      transition:color .22s var(--ease), transform .22s var(--ease);
    }
    .footer-links a:hover,
    .footer-links a:focus-visible{
      color:#dfffee;
      transform:translateX(2px);
    }
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:12px;
      flex-wrap:wrap;
      margin-top:28px;
      padding-top:18px;
      border-top:1px solid var(--line);
      color:#8da197;
      font-size:13px;
    }
    .btn:focus-visible,
    .nav-link:focus-visible,
    .chip:focus-visible,
    summary:focus-visible,
    .footer-links a:focus-visible,
    .brand:focus-visible{
      outline:2px solid rgba(142,240,198,.4);
      outline-offset:2px;
    }
    @media (max-width: 1200px){
      .hero-inner{padding:28px}
      .trust-grid{grid-template-columns:repeat(2,1fr)}
      .featured-grid{grid-template-columns:1fr}
      .hero-visual{min-height:420px}
      .feature-card.hero-card{grid-template-columns:1fr}
    }
    @media (max-width: 992px){
      .header-inner{
        flex-wrap:wrap;
      }
      .site-nav{
        order:3;
        width:100%;
        justify-content:flex-start;
        overflow:auto;
        scrollbar-width:none;
      }
      .site-nav::-webkit-scrollbar{display:none}
      .header-actions{margin-left:auto}
      .footer-grid,
      .faq-grid,
      .flow-grid{
        grid-template-columns:1fr;
      }
      .cta-grid{
        flex-direction:column;
        align-items:flex-start;
      }
      .cta-actions{
        width:100%;
        flex-wrap:wrap;
      }
      .cta-actions .btn{
        flex:1 1 160px;
      }
    }
    @media (max-width: 768px){
      .container{width:min(var(--container), calc(100% - 28px))}
      .topbar .container{
        padding:8px 0;
        font-size:12px;
      }
      .hero{
        margin-top:18px;
      }
      .hero-inner{
        grid-template-columns:1fr;
        padding:22px;
      }
      .hero h1{max-width:unset}
      .hero-visual{min-height:auto}
      .visual-card{
        width:100%;
      }
      .trust-grid{
        grid-template-columns:1fr;
      }
      .mini-card{
        grid-template-columns:1fr;
      }
      .mini-card .thumb{
        width:100%;
        height:auto;
        aspect-ratio:16/10;
      }
      .section{
        padding:20px 0;
      }
      .section-head{
        flex-direction:column;
        align-items:flex-start;
      }
      .guide-wrap,
      .cta-inner{
        padding:22px;
      }
      .feature-card.hero-card{
        min-height:auto;
      }
      .feature-body{
        padding:20px;
      }
    }
    @media (max-width: 576px){
      .header-inner{
        gap:14px;
      }
      .brand-mark{
        width:38px;
        height:38px;
        border-radius:12px;
      }
      .brand-text{
        font-size:14px;
      }
      .nav-link{
        padding:9px 14px;
        font-size:13px;
      }
      .btn{
        min-height:42px;
        padding:0 14px;
        font-size:13px;
      }
      .hero-shell{
        border-radius:22px;
      }
      .hero-inner{
        padding:18px;
      }
      .hero h1{
        font-size:clamp(30px, 9vw, 40px);
      }
      .hero p,
      .section-subtitle,
      .cta p{
        font-size:14px;
      }
      .feature-body h3,
      .flow-card h3{
        font-size:20px;
      }
      summary{
        padding:18px 18px;
        font-size:15px;
      }
      .faq-content{
        padding:0 18px 18px;
      }
      .footer-bottom{
        flex-direction:column;
      }
      .floating{
        display:none;
      }
    }