:root{
      --bg:#0f0719;
      --bg2:#170b28;
      --panel:#1c102f;
      --panel2:#24153d;
      --line:rgba(255,255,255,.10);
      --text:#f5efff;
      --muted:#c7bddf;
      --brand:#ff5ec4;
      --brand2:#8d6bff;
      --accent:#33e3ff;
      --gold:#ffd36b;
      --shadow:0 22px 60px rgba(0,0,0,.35);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,94,196,.18), transparent 30%),
        radial-gradient(circle at 85% 10%, rgba(51,227,255,.12), transparent 28%),
        linear-gradient(180deg, #0b0613 0%, #12081d 35%, #0f0719 100%);
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:blur(16px);
      background:rgba(13,7,21,.72);
      border-bottom:1px solid var(--line);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:18px;
      padding:14px 0;
    }
    .brand{display:flex; align-items:center; gap:12px; min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:rgba(255,255,255,.04);padding:4px;border:1px solid var(--line)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:18px;letter-spacing:.3px}
    .brand-text span{display:block;color:var(--muted);font-size:12px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-actions{display:flex; align-items:center; gap:10px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links{display:flex; flex-wrap:wrap; gap:10px; align-items:center}
    .nav-links a{color:#eadfff;font-size:14px;padding:8px 10px;border-radius:999px;border:1px solid transparent;transition:.2s}
    .nav-links a:hover{border-color:var(--line);background:rgba(255,255,255,.04)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:1px solid transparent;border-radius:999px;padding:12px 18px;
      font-weight:700;transition:.25s; cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:0 12px 30px rgba(255,94,196,.25)}
    .btn-primary:hover{transform:translateY(-1px); filter:saturate(1.1)}
    .btn-ghost{background:rgba(255,255,255,.04); color:var(--text); border-color:var(--line)}
    .menu-toggle{display:none;background:rgba(255,255,255,.04);color:var(--text);border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{
      position:relative;
      padding:72px 0 28px;
      overflow:hidden;
    }
    .hero::before,.hero::after{
      content:"";position:absolute;border-radius:50%;filter:blur(30px);pointer-events:none
    }
    .hero::before{width:260px;height:260px;background:rgba(255,94,196,.18);top:40px;right:-80px}
    .hero::after{width:220px;height:220px;background:rgba(51,227,255,.10);left:-70px;bottom:30px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .95fr; gap:24px; align-items:stretch}
    .hero-copy,.hero-card,.panel,.card,.price-box,.faq-item,.review,.timeline-item,.compare-box,.form-box{
      background:linear-gradient(180deg, rgba(34,20,54,.88), rgba(21,12,35,.92));
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-copy{padding:32px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:#f4eaff;font-size:13px}
    h1{margin:18px 0 14px;font-size:clamp(32px,5vw,56px);line-height:1.06}
    .lead{color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0}
    .stats{display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:26px}
    .stat{padding:16px 14px;background:rgba(255,255,255,.04);border:1px solid var(--line);border-radius:18px}
    .stat strong{display:block;font-size:22px;color:#fff}
    .stat span{display:block;color:var(--muted);font-size:12px;margin-top:6px;line-height:1.5}
    .hero-card{padding:24px;display:flex;flex-direction:column;gap:16px}
    .hero-card .mini-grid{display:grid;grid-template-columns:1fr 1fr; gap:12px}
    .mini{
      padding:16px;border-radius:18px;background:rgba(255,255,255,.04);border:1px solid var(--line)
    }
    .mini strong{display:block;color:#fff;font-size:16px;margin-bottom:6px}
    .mini p{margin:0;color:var(--muted);font-size:13px;line-height:1.7}
    .section{padding:28px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:18px}
    .section h2{margin:0;font-size:clamp(24px,3vw,36px)}
    .section p.sub{margin:0;color:var(--muted);max-width:72ch;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:20px}
    .card h3,.panel h3,.compare-box h3{margin:0 0 10px;font-size:18px}
    .card p,.panel p{margin:0;color:var(--muted);line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:#f2e8ff;font-size:13px}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line);position:relative}
    .step b{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));margin-bottom:12px}
    .step h3{margin:0 0 8px;font-size:16px}
    .step p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line)}
    table{width:100%;border-collapse:collapse;background:rgba(255,255,255,.03);min-width:760px}
    th,td{padding:14px 16px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{color:#fff;background:rgba(255,255,255,.05);font-size:14px}
    td{color:var(--muted);font-size:14px;line-height:1.7}
    .rating{
      display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(255,94,196,.12), rgba(141,107,255,.10));
      border:1px solid rgba(255,255,255,.12);
    }
    .stars{color:#ffd36b;font-size:22px;letter-spacing:2px}
    .compare-score strong{font-size:28px}
    .reviews,.faq-list,.article-list{display:grid;gap:14px}
    .review{padding:18px}
    .review .meta{display:flex;justify-content:space-between;gap:12px;color:var(--muted);font-size:13px;margin-bottom:8px}
    details.faq-item{padding:0;overflow:hidden}
    details summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700}
    details summary::-webkit-details-marker{display:none}
    details .faq-body{padding:0 20px 18px;color:var(--muted);line-height:1.8}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .timeline-item{padding:18px}
    .timeline-item .num{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;background:rgba(255,255,255,.08);margin-bottom:12px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:18px;border-radius:20px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
    .article a{color:#fff;font-weight:700}
    .article p{color:var(--muted);line-height:1.7}
    .form-box{padding:20px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;color:#f4eaff}
    input,select,textarea{
      width:100%;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.04);
      color:var(--text);padding:13px 14px;font:inherit;outline:none
    }
    textarea{min-height:128px;resize:vertical}
    input::placeholder,textarea::placeholder{color:#a89bc4}
    .form-full{grid-column:1/-1}
    .support-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .qr{display:grid;grid-template-columns:132px 1fr;gap:14px;align-items:start}
    .qr img{width:132px;height:132px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .footer{
      margin-top:28px;padding:26px 0 34px;border-top:1px solid var(--line);
      background:rgba(7,4,12,.55);color:#eadfff
    }
    .footer a{color:#f4eaff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .muted{color:var(--muted)}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      display:inline-flex;align-items:center;justify-content:center;
      width:48px;height:48px;border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:var(--shadow)
    }
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.25s}
    .backtop.show{opacity:1;pointer-events:auto;transform:none}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.visible{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 960px){
      .hero-grid,.grid-3,.grid-2,.flow,.timeline,.articles,.support-grid,.footer-grid{grid-template-columns:1fr}
      .stats{grid-template-columns:repeat(2,1fr)}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .nav-links{
        display:flex;flex-direction:column;align-items:flex-start;width:100%;padding-top:10px
      }
      .nav{flex-wrap:wrap}
      .nav-actions{width:100%;justify-content:space-between}
      .hero{padding-top:34px}
      .form-grid,.qr{grid-template-columns:1fr}
      .mobile-only{display:inline-flex}
    }