:root{--bg:#f6f8fc;--card:#ffffff;--card2:#fdf7ef;--text:#1f2937;--muted:#667085;--line:#d9e2ef;--brand:#3366ff;--brand2:#8b5cf6;--accent:#ff8a3d;--shadow:0 16px 40px rgba(31,41,55,.08);--radius:22px;--max:1180px}
    *{box-sizing:border-box} html{scroll-behavior:smooth} body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#f8fbff 0%,#f6f8fc 46%,#f9f7f3 100%);color:var(--text)}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:20;background:rgba(246,248,252,.88);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,226,239,.75)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;color:#10213f}
    .brand img{width:42px;height:42px;object-fit:contain}
    .menu{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .menu a{font-size:14px;color:var(--muted);padding:10px 0}
    .menu a:hover,.menu a:focus{color:var(--brand)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .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 ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(51,102,255,.22)}
    .btn-secondary{background:#fff;color:#1e2a44;border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .burger{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px}
    .hero{padding:28px 0 18px}
    .hero-box{background:linear-gradient(135deg,#ffffff 0%,#f7f1ff 48%,#eef5ff 100%);border:1px solid rgba(217,226,239,.9);border-radius:30px;box-shadow:var(--shadow);padding:34px;position:relative;overflow:hidden}
    .hero-box:before,.hero-box:after{content:"";position:absolute;border-radius:999px;filter:blur(2px)}
    .hero-box:before{width:220px;height:220px;right:-70px;top:-70px;background:radial-gradient(circle,rgba(51,102,255,.18),rgba(51,102,255,0) 70%)}
    .hero-box:after{width:180px;height:180px;left:-50px;bottom:-70px;background:radial-gradient(circle,rgba(255,138,61,.18),rgba(255,138,61,0) 70%)}
    .hero-grid{display:grid;grid-template-columns:1.35fr .85fr;gap:22px;align-items:center;position:relative;z-index:1}
    h1{margin:0 0 14px;font-size:clamp(32px,4vw,56px);line-height:1.06;letter-spacing:-.03em;color:#0f172a}
    .lead{margin:0 0 22px;font-size:16px;line-height:1.8;color:#475569;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:18px}
    .tag-cloud{display:flex;gap:10px;flex-wrap:wrap}
    .tag{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.8);border:1px solid #e7edf6;color:#42526b;font-size:13px}
    .hero-panel{background:rgba(255,255,255,.82);border:1px solid #e5ebf5;border-radius:24px;padding:20px;backdrop-filter:blur(10px)}
    .mini-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid #e6edf8}
    .stat b{display:block;font-size:24px;color:#10213f;margin-bottom:4px}
    .stat span{font-size:13px;color:var(--muted)}
    section{padding:22px 0}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:14px;margin-bottom:16px}
    .section-title h2{margin:0;font-size:26px;color:#0f172a}
    .section-title p{margin:0;color:var(--muted)}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:24px;box-shadow:0 10px 30px rgba(31,41,55,.05);padding:22px;transition:.28s ease}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px;color:#10213f}
    .card p,.card li{color:#516076;line-height:1.75}
    .icon{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(51,102,255,.1),rgba(139,92,246,.14));color:var(--brand);font-size:20px;margin-bottom:12px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:18px;border:1px solid var(--line);border-radius:20px;background:#fff}
    .step-num{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:20px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:top}
    th{background:#f7faff;color:#23314d;font-size:14px}
    td{color:#4b5b70;font-size:14px}
    .compare{background:linear-gradient(135deg,#fff,#f6f8ff)}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 16px;overflow:hidden}
    details+details{margin-top:12px}
    summary{list-style:none;cursor:pointer;padding:16px 0;font-weight:700;color:#10213f}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:#516076;line-height:1.8}
    .reviews,.articles,.faq,.network{display:grid;gap:16px}
    .review-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{font-size:15px;line-height:1.8;color:#415167}
    .meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-top:14px;color:var(--muted);font-size:13px}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#22314d}
    input,select,textarea{width:100%;border:1px solid #d8e1ee;border-radius:16px;padding:13px 14px;background:#fff;color:#1f2937;font:inherit;outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:rgba(51,102,255,.55);box-shadow:0 0 0 4px rgba(51,102,255,.08)}
    textarea{min-height:118px;resize:vertical}
    .split{display:grid;grid-template-columns:1fr .88fr;gap:16px;align-items:start}
    .floating{position:fixed;right:16px;bottom:16px;z-index:30;display:grid;gap:10px}
    .floating a,.floating button{width:52px;height:52px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow);display:grid;place-items:center;color:#24324a;font-weight:800;cursor:pointer}
    footer{margin-top:10px;background:#0f172a;color:#d8e2f0;padding:28px 0 22px}
    footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:18px}
    .footer-grid h3,.footer-grid h4{margin:0 0 12px;color:#fff}
    .footer-grid p,.footer-grid li,.footer-grid span{color:#c9d4e5;line-height:1.8}
    .footer-grid ul{list-style:none;padding:0;margin:0;display:grid;gap:8px}
    .copyright{margin-top:18px;padding-top:16px;border-top:1px solid rgba(255,255,255,.12);display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;color:#b8c6da}
    .hero-image-note{display:grid;gap:10px}
    .review-stars{color:#ffb020;font-size:18px;letter-spacing:2px}
    .chip{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eff4ff;color:#28468b;font-size:12px;font-weight:700}
    .flow-list{display:flex;flex-wrap:wrap;gap:10px}
    .flow-list span{padding:10px 12px;border-radius:14px;background:#fff;border:1px solid var(--line);color:#42526b}
    .service-map{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .service-map .card{min-height:100%}
    @media (max-width: 980px){
      .hero-grid,.split,.footer-grid,.grid-3,.grid-4,.review-grid,.service-map{grid-template-columns:1fr}
      .menu{display:none}.menu.open{display:flex;flex-direction:column;align-items:flex-start;padding:14px 0 6px}
      .burger{display:grid;place-items:center}
      .nav{flex-wrap:wrap}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max),calc(100% - 22px))}
      .hero-box{padding:22px;border-radius:24px}
      .section-title{align-items:flex-start;flex-direction:column}
      .form{grid-template-columns:1fr}
      .mini-stats{grid-template-columns:1fr}
      .hero-actions .btn{width:100%}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:all .55s ease}
    .reveal.show{opacity:1;transform:none}