:root{--bg:#f7f9fc;--panel:#ffffff;--panel2:#eef4ff;--line:#dbe6f5;--text:#172033;--muted:#5f6b84;--brand:#2563eb;--brand2:#06b6d4;--accent:#ffb703;--shadow:0 18px 50px rgba(21,44,94,.10);--radius:22px;--radius2:16px}
    *{box-sizing:border-box} html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:
      radial-gradient(circle at top left,rgba(37,99,235,.10),transparent 28%),
      radial-gradient(circle at top right,rgba(6,182,212,.10),transparent 25%),
      linear-gradient(180deg,#f9fbff 0%,#f3f7fd 42%,#f8fbff 100%)}
    a{color:inherit;text-decoration:none} img{display:block;max-width:100%}
    .container{width:min(1180px,calc(100% - 32px));margin:0 auto}
    .topbar,.nav,.hero,.section,.footer-inner{width:100%}
    .topbar{background:rgba(255,255,255,.72);backdrop-filter:blur(12px);border-bottom:1px solid rgba(219,230,245,.8)}
    .topbar .container{display:flex;justify-content:space-between;align-items:center;padding:10px 0;color:var(--muted);font-size:14px;gap:12px;flex-wrap:wrap}
    .brand{display:flex;align-items:center;gap:12px;font-weight:800;color:var(--text)}
    .brand img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 10px 24px rgba(37,99,235,.10)}
    .nav{position:sticky;top:0;z-index:80;background:rgba(247,249,252,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(219,230,245,.85)}
    .nav-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:14px 0}
    .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}
    .nav-links a:hover,.nav-links a.active{background:#eaf2ff;color:var(--brand)}
    .menu-btn{display:none;border:1px solid var(--line);background:var(--panel);border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:28px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel{background:var(--panel);border:1px solid rgba(219,230,245,.9);box-shadow:var(--shadow);border-radius:var(--radius)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;background:linear-gradient(135deg,rgba(37,99,235,.15),rgba(6,182,212,.12));filter:blur(6px)}
    .hero-main:before{width:240px;height:240px;right:-70px;top:-80px}
    .hero-main:after{width:180px;height:180px;right:120px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#eef5ff;border:1px solid #d8e6ff;color:#1d4ed8;padding:8px 14px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:18px 0 14px;font-size:clamp(30px,4.2vw,52px);line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 18px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:14px;padding:13px 18px;font-weight:700;cursor:pointer;transition:.22s transform,.22s box-shadow,.22s background}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#1d4ed8);color:#fff;box-shadow:0 14px 30px rgba(37,99,235,.22)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-secondary{background:#f3f7ff;color:var(--text);border:1px solid #d7e4fb}
    .btn-secondary:hover{transform:translateY(-2px);box-shadow:0 10px 24px rgba(15,23,42,.08)}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .point{background:#f7fbff;border:1px solid #dce8fb;border-radius:18px;padding:14px}
    .point b{display:block;font-size:18px;margin-bottom:6px;color:#16325c}
    .hero-side{padding:24px;display:grid;gap:14px}
    .side-stat{padding:18px;border-radius:18px;background:linear-gradient(180deg,#f6faff,#eef6ff);border:1px solid #d9e7fb}
    .side-stat h3{margin:0 0 6px;font-size:16px}
    .stat-num{font-size:30px;font-weight:900;color:var(--brand)}
    .section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px;flex-wrap:wrap}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:68ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{padding:20px}
    .card h3{margin:10px 0 8px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,#e8f1ff,#dff7fb);color:var(--brand);font-weight:900}
    .pill-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .pill-cloud span{padding:9px 12px;border:1px solid #dbe6f5;background:#fff;border-radius:999px;color:#32415e;font-size:14px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:#fff;border:1px solid #dbe6f5}
    .step .no{width:38px;height:38px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid #dbe6f5;background:#fff;box-shadow:var(--shadow)}
    table{border-collapse:collapse;width:100%;min-width:880px}
    th,td{padding:16px;border-bottom:1px solid #e7eef8;text-align:left;vertical-align:top}
    th{background:#f4f8ff;color:#1a2e56;font-size:14px}
    td{color:var(--muted)}
    .rating{display:flex;align-items:center;gap:8px;font-weight:800;color:#0f172a}
    .stars{color:#f59e0b;letter-spacing:2px}
    details{background:#fff;border:1px solid #dbe6f5;border-radius:16px;padding:0 18px;box-shadow:0 10px 26px rgba(15,23,42,.05)}
    details+details{margin-top:12px}
    summary{cursor:pointer;list-style:none;padding:18px 0;font-weight:700;color:#1a2e56}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 18px;color:var(--muted);line-height:1.8}
    .comment{display:flex;flex-direction:column;gap:10px}
    .comment .meta{display:flex;align-items:center;justify-content:space-between;gap:12px;color:var(--muted);font-size:14px}
    .quote{font-size:15px;line-height:1.8;color:#334155}
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:16px;padding:16px 18px;border:1px solid #dbe6f5;border-radius:16px;background:#fff}
    .article-item span{color:var(--muted);font-size:14px}
    .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-weight:700;color:#22314f;font-size:14px}
    input,select,textarea{width:100%;border:1px solid #cfe0f6;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none}
    input:focus,select:focus,textarea:focus{border-color:#83aefc;box-shadow:0 0 0 4px rgba(37,99,235,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:18px;background:#0f1b33;color:#dbe7ff}
    .footer a{color:#fff}
    .footer-inner{padding:28px 0}
    .footer-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:18px}
    .footer small,.footer p{color:#b8c7ea;line-height:1.8}
    .footer .brand img{background:#fff}
    .subtle{color:var(--muted)}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:90;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:48px;height:48px;border-radius:16px;border:none;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 14px 28px rgba(37,99,235,.25);cursor:pointer}
    .float-tools a:hover,.float-tools button:hover{transform:translateY(-2px)}
    .客服{display:grid;place-items:center;gap:10px}
    .客服 img{width:112px;height:112px;object-fit:cover;border-radius:18px;border:1px solid #dbe6f5;background:#fff}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.7s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.case-grid,.footer-grid,.grid-4,.grid-3{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .nav-links.open{display:flex;position:absolute;left:16px;right:16px;top:64px;background:#fff;border:1px solid #dbe6f5;border-radius:18px;padding:12px;box-shadow:var(--shadow)}
    }
    @media (max-width: 720px){
      .container{width:min(1180px,calc(100% - 24px))}
      .hero-main{padding:22px}
      .hero-points,.grid-4,.grid-3,.grid-2,.case-grid,.footer-grid,.form{grid-template-columns:1fr}
      .section-head h2{font-size:24px}
      .article-item{flex-direction:column}
    }