:root{
      --bg:#f6f8fc;
      --panel:#ffffff;
      --panel-2:#f3f7ff;
      --text:#172033;
      --muted:#5d6b83;
      --line:#dbe4f2;
      --brand1:#5b7cff;
      --brand2:#8f56ff;
      --brand3:#12b3a8;
      --brand4:#ff7b54;
      --shadow:0 18px 50px rgba(24,45,90,.10);
      --shadow2:0 10px 28px rgba(77,101,176,.12);
      --radius:20px;
      --container:1200px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(91,124,255,.14), transparent 28%),
        radial-gradient(circle at 88% 10%, rgba(255,123,84,.12), transparent 26%),
        linear-gradient(180deg,#f8fbff 0%, #f6f8fc 28%, #f7f9fd 100%);
    }
    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:saturate(160%) blur(12px);
      background:rgba(246,248,252,.84);
      border-bottom:1px solid rgba(219,228,242,.8);
    }
    .nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:76px}
    .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 20px rgba(31,52,103,.08)}
    .brand-text{display:flex;flex-direction:column;line-height:1.1}
    .brand-text strong{font-size:18px}
    .brand-text span{font-size:12px;color:var(--muted)}
    .nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav a{font-size:14px;color:#2a3550;padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav a:hover,.nav a:focus{background:#eaf0ff;color:#1a2e68}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:12px;padding:10px 12px;font-weight:700}
    .hero{
      padding:34px 0 24px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:24px;align-items:stretch;
    }
    .hero-main{
      padding:34px;
      border-radius:28px;
      background:
        linear-gradient(135deg, rgba(91,124,255,.13), rgba(143,86,255,.10) 48%, rgba(18,179,168,.10)),
        linear-gradient(180deg,#ffffff 0%, #fbfcff 100%);
      border:1px solid rgba(219,228,242,.9);
      box-shadow:var(--shadow);
      position:relative;overflow:hidden;
    }
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.55;pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;background:radial-gradient(circle, rgba(91,124,255,.28), transparent 68%);right:-70px;top:-60px}
    .hero-main:after{width:180px;height:180px;background:radial-gradient(circle, rgba(255,123,84,.18), transparent 68%);left:-54px;bottom:-44px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#eef3ff;color:#28428d;border:1px solid #d9e4ff;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.08;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:10px;
      min-height:46px;padding:0 18px;border-radius:14px;border:1px solid transparent;
      font-weight:800;transition:.25s ease;cursor:pointer;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(91,124,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 32px rgba(91,124,255,.28)}
    .btn-secondary{background:#fff;border-color:var(--line);color:#23314f}
    .btn-secondary:hover{transform:translateY(-2px);border-color:#bcd0ff;box-shadow:var(--shadow2)}
    .hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:8px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#394868;font-size:13px}
    .hero-side{
      display:grid;gap:16px;
    }
    .side-card{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(219,228,242,.92);
      border-radius:24px;
      padding:22px;
      box-shadow:var(--shadow2);
    }
    .side-card h2,.section-title h2{margin:0 0 10px;font-size:clamp(22px,3vw,32px)}
    .side-card p,.section-desc{margin:0;color:var(--muted);line-height:1.8}
    .mini-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;margin-top:16px}
    .metric{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7faff);border:1px solid var(--line)}
    .metric strong{display:block;font-size:22px}
    .metric span{font-size:12px;color:var(--muted)}
    .section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-title{max-width:740px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .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{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(219,228,242,.92);
      border-radius:22px;
      padding:22px;
      box-shadow:0 8px 22px rgba(35,54,101,.06);
      transition:.25s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.78}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;
      background:linear-gradient(135deg,rgba(91,124,255,.12),rgba(143,86,255,.12));
      color:#4159b8;font-weight:900;
    }
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#f1f5ff;border:1px solid #dce6ff;font-size:13px;color:#2d3e69}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#f8faff);border:1px solid var(--line)}
    .step-num{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand3),#64d3a5);color:#fff;font-size:20px;font-weight:900}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px;border-bottom:1px solid #e7edf7;text-align:left;vertical-align:top}
    th{background:#f4f7ff;font-size:14px}
    td{color:var(--muted)}
    .highlight-row td{background:#f0f6ff;color:#23314f;font-weight:700}
    .review{
      display:grid;gap:12px;min-height:100%;
    }
    .review .meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .stars{color:#f5b400;letter-spacing:2px;font-size:15px}
    .quote{font-size:15px;line-height:1.8;color:#30415f}
    .form-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    form{
      display:grid;gap:12px;
    }
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700;color:#2a3550}
    input,select,textarea{
      width:100%;border:1px solid #d9e3f3;background:#fff;color:var(--text);
      border-radius:14px;padding:13px 14px;font:inherit;outline:none;transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:#91a7ff;box-shadow:0 0 0 4px rgba(91,124,255,.12)}
    textarea{min-height:120px;resize:vertical}
    .footer{
      margin-top:18px;padding:24px 0 30px;border-top:1px solid #dde6f2;background:#f5f8fc;color:#24324d
    }
    .footer a{color:#28428d}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer-note{font-size:13px;color:#5d6b83;line-height:1.8}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px;
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;border:none;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff;box-shadow:0 14px 30px rgba(91,124,255,.25);cursor:pointer
    }
    .service-box{
      display:grid;gap:14px;
    }
    .mobile-menu{display:none}
    .reviews-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 8px 20px rgba(35,54,101,.05)}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:800;color:#23314f;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:14px;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .article-item span{color:var(--muted)}
    .partners{display:grid;grid-template-columns:repeat(5,1fr);gap:10px}
    .partner{padding:12px 10px;border-radius:14px;background:#fff;border:1px solid var(--line);text-align:center;color:#30415f;font-size:13px}
    .service-net{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .net{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff,#f8fbff);border:1px solid var(--line)}
    .net strong{display:block;margin-bottom:6px}
    .scroll-top{position:fixed;right:16px;bottom:84px}
    .badge-rating{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#fff3dc;border:1px solid #ffd79b;color:#8b5b00;font-weight:700}
    .price-band{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .price strong{font-size:24px;display:block;margin:8px 0;color:#1d2f5f}
    .compare-badges{display:flex;flex-wrap:wrap;gap:10px}
    .compare-badges .tag{background:#f7faff}
    .title-row{display:flex;align-items:center;gap:12px;flex-wrap:wrap}
    .subtle{font-size:14px;color:var(--muted)}
    @media (max-width: 1024px){
      .hero-grid,.form-grid,.footer-grid,.grid-4,.grid-3,.reviews-grid,.service-net,.price-band,.partners{grid-template-columns:1fr 1fr}
      .nav{display:none}
      .menu-btn{display:inline-flex}
      .mobile-menu{
        display:none;padding:0 0 18px;
      }
      .mobile-menu.open{display:block}
      .mobile-menu .nav{display:grid;grid-template-columns:1fr 1fr;gap:10px}
      .nav a{background:#fff;border:1px solid var(--line);text-align:center}
    }
    @media (max-width: 720px){
      .container{width:min(100% - 22px, var(--container))}
      .hero-main,.side-card,.card,.price,.faq details,.article-item,.net{border-radius:18px}
      .hero{padding-top:20px}
      .hero-grid,.form-grid,.footer-grid,.grid-4,.grid-3,.grid-2,.reviews-grid,.service-net,.price-band,.partners{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .mini-metrics{grid-template-columns:1fr 1fr}
      .step{grid-template-columns:1fr}
      .step-num{width:48px;height:48px;border-radius:14px}
      .article-item{flex-direction:column}
      .float-tools{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(16px);transition:.7s ease}
    .reveal.visible{opacity:1;transform:none}