:root{
      --bg:#f6f8fc;
      --bg2:#eef5ff;
      --card:#ffffff;
      --text:#172033;
      --muted:#5f6b82;
      --line:#d9e3f2;
      --primary:#2563eb;
      --primary2:#14b8a6;
      --accent:#f59e0b;
      --shadow:0 16px 40px rgba(24,39,75,.10);
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(37,99,235,.12), transparent 30%),
        radial-gradient(circle at top right, rgba(20,184,166,.10), transparent 28%),
        linear-gradient(180deg, var(--bg2), var(--bg) 22%, #fff 22%, var(--bg) 100%);
    }
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    .container{width:min(calc(100% - 32px),var(--max));margin:0 auto}
    header{
      position:sticky;top:0;z-index:60;
      backdrop-filter:blur(14px);
      background:rgba(246,248,252,.82);
      border-bottom:1px solid rgba(217,227,242,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain;background:#fff;border-radius:14px;padding:6px;border:1px solid var(--line)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;color:var(--text);
      border-radius:14px;padding:10px 12px;font-size:14px
    }
    .menu{
      display:flex;align-items:center;gap:18px;flex-wrap:wrap
    }
    .menu a{font-size:14px;color:#31415f;padding:8px 0;position:relative}
    .menu a::after{
      content:"";position:absolute;left:0;bottom:-2px;width:100%;height:2px;background:linear-gradient(90deg,var(--primary),var(--primary2));
      transform:scaleX(0);transform-origin:left;transition:.22s ease
    }
    .menu a:hover::after,.menu a:focus-visible::after{transform:scaleX(1)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:16px;padding:13px 18px;font-weight:700;cursor:pointer;
      transition:transform .18s ease, box-shadow .18s ease, background .18s ease, color .18s ease;
      box-shadow:0 10px 26px rgba(37,99,235,.18)
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#4f8cff);color:#fff}
    .btn-ghost{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:none}
    main{padding:20px 0 0}
    section{padding:64px 0}
    .hero{
      padding:34px 0 54px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch
    }
    .hero-copy,.hero-side,.card,.panel,.table-wrap,.faq-item,.quote{
      background:rgba(255,255,255,.85);
      border:1px solid rgba(217,227,242,.85);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#eef5ff;color:#2450a6;font-size:13px;font-weight:700}
    h1{
      margin:18px 0 14px;font-size:clamp(34px,5vw,58px);line-height:1.08;letter-spacing:-.03em
    }
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .tag{padding:10px 14px;border-radius:999px;background:#f5f8ff;border:1px solid var(--line);font-size:13px;color:#3a4a67}
    .hero-side{padding:22px}
    .hero-kpis{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .kpi{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line)}
    .kpi strong{display:block;font-size:26px;color:#12326e}
    .kpi span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
    .hero-card-note{margin-top:16px;padding:16px 18px;border-radius:18px;background:linear-gradient(135deg, rgba(37,99,235,.08), rgba(20,184,166,.08));border:1px dashed rgba(37,99,235,.18);color:#2a3d60;line-height:1.7}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,36px)}
    .section-head p{margin:0;color:var(--muted);max-width:680px;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
    .card{padding:22px}
    .card h3{margin:12px 0 8px;font-size:18px}
    .card p,.card li,.panel p,.quote p{color:var(--muted);line-height:1.75}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(37,99,235,.12), rgba(20,184,166,.14));color:#224f9c;font-weight:800
    }
    .panel{padding:22px}
    .steps{counter-reset:step}
    .step{
      padding:20px;border-radius:18px;background:#fff;border:1px solid var(--line);position:relative
    }
    .step::before{
      counter-increment:step;content:"0" counter(step);
      position:absolute;top:18px;right:18px;font-size:12px;font-weight:800;color:#7f8ca8;background:#eef4ff;padding:6px 10px;border-radius:999px
    }
    .step h3{margin:0 0 8px}
    .table-wrap{padding:16px;overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:14px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f4f8ff;color:#20304f;font-size:14px}
    td{color:#3b4a67;font-size:14px;line-height:1.65}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .stars{color:#f59e0b;font-size:18px;letter-spacing:2px}
    .quote{padding:20px}
    .quote .meta{display:flex;justify-content:space-between;gap:12px;align-items:center;margin-bottom:12px}
    .quote strong{font-size:15px}
    .quote span{color:var(--muted);font-size:13px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:var(--shadow)
    }
    details+details{margin-top:14px}
    summary{
      list-style:none;cursor:pointer;padding:18px 0;font-weight:700;color:#1a2946;display:flex;align-items:center;justify-content:space-between;gap:10px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"+";color:#3565c5;font-size:20px;font-weight:700}
    details[open] summary::after{content:"−"}
    .faq-body{padding:0 0 18px;color:var(--muted);line-height:1.75}
    .articles,.links-cloud{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{padding:18px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .article small{color:#6b7b96}
    .article h3{margin:10px 0 8px;font-size:17px;line-height:1.45}
    .article p{margin:0;color:var(--muted);line-height:1.7}
    .cloud{display:flex;flex-wrap:wrap;gap:10px}
    .cloud a,.pill{
      padding:10px 14px;border-radius:999px;border:1px solid var(--line);background:#fff;color:#334464;font-size:13px
    }
    .form-wrap{
      display:grid;grid-template-columns:1fr .9fr;gap:18px;align-items:start
    }
    form{display:grid;gap:14px}
    label{font-size:14px;font-weight:700;color:#2b3957}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid var(--line);border-radius:14px;background:#fff;color:var(--text);font:inherit;outline:none
    }
    input:focus,select:focus,textarea:focus{border-color:#76a4ff;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
    textarea{min-height:120px;resize:vertical}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service-badges{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .badge-box{
      padding:16px;border-radius:16px;background:linear-gradient(180deg,#fff,#f7fbff);border:1px solid var(--line)
    }
    .badge-box strong{display:block;margin-bottom:6px}
    .footer{
      padding:34px 0 24px;background:#0f172a;color:#d8e4ff;margin-top:10px
    }
    .footer a{color:#fff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:20px}
    .footer .panel{background:rgba(255,255,255,.04);border-color:rgba(255,255,255,.09);box-shadow:none}
    .footer .panel p,.footer .panel li,.footer .panel span,.footer .panel a{color:#d7e2ff}
    .footer .mini{color:#9eb0d8;font-size:13px;line-height:1.7}
    .footer-bottom{
      margin-top:20px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
      display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;color:#b9c8eb;font-size:13px
    }
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:70;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border:none;border-radius:18px;background:linear-gradient(135deg,var(--primary),#5c8fff);
      color:#fff;display:grid;place-items:center;box-shadow:0 14px 30px rgba(37,99,235,.25);cursor:pointer
    }
    .drawer{
      position:fixed;left:16px;bottom:16px;z-index:70;max-width:min(360px,calc(100vw - 32px));
      background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:20px;padding:14px;display:none
    }
    .drawer.open{display:block}
    .drawer .row{display:flex;gap:12px;align-items:center}
    .drawer img{width:92px;height:92px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .drawer h3{margin:0 0 6px;font-size:16px}
    .drawer p{margin:0;color:var(--muted);font-size:13px;line-height:1.6}
    .timeline{display:grid;gap:14px}
    .timeline-item{position:relative;padding:18px 18px 18px 24px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .timeline-item::before{
      content:"";position:absolute;left:10px;top:22px;width:8px;height:8px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2))
    }
    .timeline-item strong{display:block;margin-bottom:6px}
    .section-soft{
      background:linear-gradient(180deg, rgba(255,255,255,.4), rgba(255,255,255,.75));
      border-top:1px solid rgba(217,227,242,.6);border-bottom:1px solid rgba(217,227,242,.6)
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.7s ease}
    .reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.grid-2,.articles,.form-wrap,.footer-grid{grid-template-columns:1fr}
      .menu-btn{display:inline-flex}
      .menu{
        display:none;position:absolute;left:16px;right:16px;top:74px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)
      }
      .menu.open{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
      .section-head{align-items:flex-start;flex-direction:column}
      .form-grid,.service-badges,.hero-kpis{grid-template-columns:1fr}
    }