:root{
      --bg:#f5f7ff;
      --bg2:#eef5ff;
      --card:#ffffff;
      --text:#162033;
      --muted:#5f6b86;
      --line:#dbe5ff;
      --primary:#5b5ef7;
      --primary2:#22c1c3;
      --accent:#ff6fb1;
      --shadow:0 18px 40px rgba(63,84,170,.12);
      --radius:22px;
      --max: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 12% 10%, rgba(91,94,247,.14), transparent 24%),
        radial-gradient(circle at 88% 18%, rgba(34,193,195,.12), transparent 20%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 40%, #f8faff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(251,252,255,.85);backdrop-filter:blur(16px);border-bottom:1px solid rgba(219,229,255,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 24px rgba(91,94,247,.15)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.25s}
    .menu a:hover,.menu a.active{background:rgba(91,94,247,.1);color:var(--primary)}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:13px 18px;font-weight:700;cursor:pointer;transition:.25s;box-shadow:0 10px 24px rgba(91,94,247,.14)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff}
    .btn-ghost{background:#fff;color:var(--primary);border:1px solid var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero{padding:42px 0 26px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch}
    .hero-card{background:linear-gradient(135deg,#111f47 0%, #2a35a1 45%, #5b5ef7 100%);color:#fff;border-radius:30px;padding:34px;position:relative;overflow:hidden;box-shadow:var(--shadow)}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;filter:blur(6px);opacity:.6;animation:float 8s ease-in-out infinite}
    .hero-card:before{width:180px;height:180px;background:rgba(34,193,195,.28);top:-50px;right:-30px}
    .hero-card:after{width:220px;height:220px;background:rgba(255,111,177,.18);bottom:-90px;left:-60px;animation-delay:-3s}
    @keyframes float{50%{transform:translateY(12px) translateX(8px)}}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);padding:8px 12px;border-radius:999px;font-size:13px}
    h1{font-size:clamp(30px,4vw,52px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.85;color:rgba(255,255,255,.86);max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:24px}
    .mini{background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);border-radius:18px;padding:14px}
    .mini b{display:block;font-size:18px;margin-bottom:6px}
    .mini span{font-size:13px;color:rgba(255,255,255,.78);line-height:1.6}
    .side-stack{display:grid;gap:16px}
    .glass{background:rgba(255,255,255,.72);border:1px solid rgba(219,229,255,.9);backdrop-filter:blur(12px);border-radius:24px;box-shadow:var(--shadow)}
    .stats{padding:20px}
    .stats-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid var(--line)}
    .stat strong{display:block;font-size:26px;color:var(--primary)}
    .stat span{display:block;margin-top:6px;font-size:13px;color:var(--muted);line-height:1.5}
    .panel{padding:20px}
    .panel h2{margin:0 0 12px;font-size:20px}
    .chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#314062}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:66ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .card{background:var(--card);border:1px solid rgba(219,229,255,.9);border-radius:var(--radius);box-shadow:var(--shadow);padding:22px;transition:.25s}
    .card:hover{transform:translateY(-4px);border-color:rgba(91,94,247,.25)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon-dot{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(91,94,247,.12),rgba(34,193,195,.12));color:var(--primary);font-weight:800;margin-bottom:14px}
    .flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .step{position:relative;padding:22px;border-radius:24px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .step:after{content:"";position:absolute;inset:16px auto auto 16px;width:40px;height:40px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));opacity:.12}
    .step strong{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:920px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf1fb;text-align:left;vertical-align:top}
    th{background:#f8faff;font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .rating{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .scorebox{padding:24px;border-radius:24px;background:linear-gradient(135deg,#fff,#f7fbff);border:1px solid var(--line)}
    .score{font-size:54px;line-height:1;color:var(--primary);font-weight:900}
    .stars{color:#f6b73c;font-size:18px;letter-spacing:2px}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);overflow:hidden}
    summary{cursor:pointer;list-style:none;padding:18px 18px;font-weight:700}
    summary::-webkit-details-marker{display:none}
    details p{margin:0;padding:0 18px 18px;color:var(--muted);line-height:1.8}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
    .avatar{width:44px;height:44px;border-radius:14px;background:linear-gradient(135deg,rgba(91,94,247,.16),rgba(34,193,195,.18));display:grid;place-items:center;font-weight:800;color:var(--primary)}
    .muted{color:var(--muted)}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article a{color:var(--primary);font-weight:700}
    .form{display:grid;gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:16px;padding:14px 15px;font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(91,94,247,.55);box-shadow:0 0 0 4px rgba(91,94,247,.08)}
    textarea{min-height:130px;resize:vertical}
    .footer{padding:24px 0 30px;border-top:1px solid rgba(219,229,255,.8);margin-top:12px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer a{color:var(--primary)}
    .small{font-size:13px;color:var(--muted);line-height:1.7}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .float-btn{width:52px;height:52px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:grid;place-items:center;box-shadow:var(--shadow);font-weight:900}
    .floating-panel{position:fixed;right:16px;bottom:80px;z-index:59;width:min(320px,calc(100vw - 32px));display:none}
    .floating-panel.open{display:block}
    .contact-card{padding:18px;border-radius:24px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}
    .contact-card .qr{display:flex;gap:14px;align-items:center}
    .contact-card img{width:96px;height:96px;object-fit:cover;border-radius:16px;border:1px solid var(--line)}
    .tagcloud,.service-net{display:flex;flex-wrap:wrap;gap:10px}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .timeline-item .dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));margin-top:8px}
    .scroll-top{position:fixed;right:16px;bottom:142px;z-index:60;display:none}
    .scroll-top.show{display:grid}
    .smooth{scroll-margin-top:90px}
    .hero-note{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .badge{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.18);font-size:13px}
    .eyebrow b{color:#fff}
    .compare-note{padding:18px;background:linear-gradient(135deg,rgba(91,94,247,.08),rgba(34,193,195,.08));border:1px solid var(--line);border-radius:20px;color:var(--muted);line-height:1.8}
    .mobile-toggle{display:none}
    @media (max-width: 1024px){
      .hero-grid,.rating,.footer-grid,.two-col,.grid-4,.flow,.articles,.reviews,.grid-3{grid-template-columns:1fr 1fr}
      .grid-4,.flow,.articles,.reviews{grid-template-columns:repeat(2,minmax(0,1fr))}
      .hero-grid,.rating,.footer-grid,.two-col{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width: 768px){
      .menu{display:none}
      .mobile-toggle{display:inline-flex}
      .hero-card{padding:24px}
      .hero-points,.stats-grid,.grid-3,.grid-4,.flow,.reviews,.articles,.two-col{grid-template-columns:1fr}
      .container{padding:0 16px}
      .brand strong{font-size:16px}
      h1{font-size:clamp(28px,8vw,40px)}
      .section-head h2{font-size:24px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.65s ease}
    .reveal.show{opacity:1;transform:translateY(0)}