:root{
      --bg:#f6f7fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#18202d;
      --muted:#5f6b7a;
      --line:#dce3ef;
      --primary:#2563eb;
      --primary2:#7c3aed;
      --accent:#12b3a8;
      --warm:#ffb347;
      --shadow:0 16px 40px rgba(26,40,70,.10);
      --shadow2:0 10px 24px rgba(37,99,235,.12);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(124,58,237,.12), transparent 30%),
        radial-gradient(circle at top right, rgba(18,179,168,.12), transparent 28%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 26%, #f8faff 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(246,247,251,.82);
      border-bottom:1px solid rgba(220,227,239,.8);
    }
    .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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:0 8px 20px rgba(0,0,0,.06)}
    .brand h1,.brand .brand-name{font-size:18px;margin:0;font-weight:800;letter-spacing:.2px;white-space:nowrap}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px;white-space:nowrap}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(124,58,237,.12));color:var(--text)}
    .hero{
      padding:28px 0 18px;
      position:relative;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:22px;align-items:stretch;
    }
    .hero-main,.hero-side,.card,.panel,.faq-item,.review,.article,.price-card,.timeline-item,.service-card{
      background:var(--card);border:1px solid rgba(220,227,239,.9);border-radius:var(--radius);box-shadow:var(--shadow);
    }
    .hero-main{
      padding:30px;
      position:relative;
      overflow:hidden;
      background:
        linear-gradient(135deg, rgba(37,99,235,.06), rgba(124,58,237,.08) 44%, rgba(18,179,168,.06));
    }
    .hero-main::before{
      content:"";position:absolute;inset:auto -10% -30% auto;width:260px;height:260px;border-radius:50%;
      background:radial-gradient(circle, rgba(124,58,237,.24), transparent 68%);
      filter:blur(4px);pointer-events:none;
    }
    .hero-main::after{
      content:"";position:absolute;inset:20px 18px auto auto;width:120px;height:120px;border-radius:28px;
      border:1px solid rgba(37,99,235,.15);transform:rotate(14deg);pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:rgba(37,99,235,.08);color:var(--primary);font-size:13px;font-weight:700;
    }
    .eyebrow i{width:8px;height:8px;border-radius:50%;background:var(--accent);display:inline-block;box-shadow:0 0 0 6px rgba(18,179,168,.12)}
    h2,h3{line-height:1.25;margin:0}
    .hero h2{font-size:clamp(30px,5vw,54px);margin-top:16px;max-width:12em}
    .hero p{color:var(--muted);margin:16px 0 0;font-size:16px;max-width:60ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      cursor:pointer;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow2)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .hero-stats{
      display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px;
    }
    .stat{
      padding:16px 14px;border-radius:18px;background:rgba(255,255,255,.76);border:1px solid rgba(220,227,239,.9)
    }
    .stat strong{display:block;font-size:24px}
    .stat span{font-size:13px;color:var(--muted)}
    .hero-side{
      padding:18px;
      display:grid;gap:14px;
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(246,247,251,.95));
    }
    .hero-side .mini{
      padding:16px;border-radius:18px;background:linear-gradient(135deg, rgba(18,179,168,.08), rgba(37,99,235,.06));
      border:1px solid rgba(220,227,239,.9)
    }
    .mini h3{font-size:16px;margin-bottom:10px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{
      padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#334155
    }
    .section{padding:22px 0}
    .section-head{display:flex;justify-content:space-between;gap:16px;align-items:end;margin-bottom:16px}
    .section-head p{margin:8px 0 0;color:var(--muted);max-width:70ch}
    .section h3{font-size:28px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .service-card,.card,.panel,.review,.article,.price-card,.timeline-item{padding:20px}
    .service-card h4,.card h4,.panel h4,.review h4,.article h4,.price-card h4,.timeline-item h4{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted)}
    .chip-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
    .chip{font-size:12px;padding:7px 10px;border-radius:999px;background:rgba(37,99,235,.08);color:#2747a6}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{
      padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fbfcff);
      border:1px solid var(--line);position:relative
    }
    .step .num{
      width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:800;margin-bottom:14px
    }
    .compare-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #edf1f7;font-size:14px;vertical-align:top}
    th{background:linear-gradient(135deg, rgba(37,99,235,.06), rgba(124,58,237,.06));color:#223045}
    tr:hover td{background:#fcfdff}
    .rating{font-size:18px;font-weight:800;color:#0f766e}
    .faq{display:grid;gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%;padding:18px 20px;background:transparent;border:0;color:var(--text);font-size:16px;font-weight:700;
      display:flex;justify-content:space-between;align-items:center;cursor:pointer;text-align:left
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;color:var(--muted);padding:0 20px}
    .faq-item.open .faq-a{max-height:180px;padding:0 20px 18px}
    .faq-mark{font-size:20px;color:var(--primary)}
    .reviews .review{display:flex;flex-direction:column;gap:12px}
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center}
    .review .role{font-size:13px;color:var(--muted)}
    .stars{color:#f59e0b;letter-spacing:1px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article time{display:block;color:var(--muted);font-size:13px;margin-bottom:10px}
    .article a.more{display:inline-flex;margin-top:12px;color:var(--primary);font-weight:700}
    .form-card form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);
      outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(37,99,235,.55);box-shadow:0 0 0 4px rgba(37,99,235,.10)}
    textarea{min-height:128px;resize:vertical}
    .footer{
      margin-top:22px;padding:24px 0 28px;border-top:1px solid rgba(220,227,239,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.82), rgba(246,247,251,.98));
      color:var(--text)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer a{color:#2747a6}
    .footer .links{display:flex;flex-wrap:wrap;gap:10px}
    .footer .links a{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .copyright{margin-top:18px;padding-top:16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;color:var(--muted);font-size:13px}
    .float-bar{
      position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:54px;height:54px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--primary2));
      color:#fff;box-shadow:0 16px 30px rgba(37,99,235,.24);border:0;cursor:pointer
    }
    .float-link{
      background:#fff;border:1px solid var(--line);color:var(--text);padding:12px 14px;border-radius:16px;box-shadow:var(--shadow);font-size:13px;font-weight:700
    }
    .reveal{opacity:0;transform:translateY(16px);transition:opacity .5s ease, transform .5s ease}
    .reveal.show{opacity:1;transform:none}
    .network{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px
    }
    .network .card strong{font-size:20px}
    .table-note{padding:14px 16px;color:var(--muted);font-size:13px;background:#fff;border-top:1px solid #edf1f7}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-card .amount{font-size:32px;font-weight:900;color:var(--primary)}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .hero-link{font-weight:800;color:#fff}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(18,179,168,.1);color:#0f766e;font-size:12px;font-weight:700}
    .image-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .image-strip img{border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow);object-fit:cover}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.grid-2,.workflow,.articles,.footer-grid,.network,.price-grid,.timeline{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 760px){
      .nav-toggle{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);
        border-radius:18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:stretch;gap:6px
      }
      .nav-links.open{display:flex}
      .hero-grid,.grid-3,.grid-2,.workflow,.articles,.footer-grid,.network,.price-grid,.timeline,.form-card form,.image-strip{grid-template-columns:1fr}
      .hero{padding-top:18px}
      .hero-main{padding:22px}
      .hero h2{max-width:none}
      .hero-stats{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      table{min-width:900px}
      .mobile-only{display:block}
    }