:root{
      --bg:#f5f7fb;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#5b6472;
      --line:#d9e1ee;
      --brand:#6b5cff;
      --brand2:#22c1c3;
      --accent:#ff8a5b;
      --good:#1b9a6a;
      --warn:#b7791f;
      --shadow:0 18px 50px rgba(31,42,55,.08);
      --shadow2:0 10px 28px rgba(31,42,55,.10);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-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(107,92,255,.10), transparent 26%),
        radial-gradient(circle at 88% 14%, rgba(34,193,195,.10), transparent 22%),
        linear-gradient(180deg, #fbfcff 0%, var(--bg) 34%, #f8faff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:40;
      backdrop-filter:saturate(180%) blur(18px);
      background:rgba(245,247,251,.82);
      border-bottom:1px solid rgba(217,225,238,.72);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:14px 0;
    }
    .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;box-shadow:0 8px 24px rgba(31,42,55,.08)}
    .brand b{font-size:18px;letter-spacing:.4px}
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .nav-links{display:flex;align-items:center;gap:16px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#324054;padding:8px 10px;border-radius:999px}
    .nav-links a:hover{background:rgba(107,92,255,.08);color:#2d2a66}
    .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;font-size:14px;cursor:pointer;transition:.24s ease;
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#8c7bff);color:#fff;box-shadow:0 14px 30px rgba(107,92,255,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 34px rgba(107,92,255,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:#243041}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#bfc9da;box-shadow:var(--shadow2)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px;align-items:center;justify-content:center}
    .menu-btn span{display:block;width:18px;height:2px;background:#223042;position:relative}
    .menu-btn span:before,.menu-btn span:after{content:"";position:absolute;left:0;width:18px;height:2px;background:#223042}
    .menu-btn span:before{top:-6px}.menu-btn span:after{top:6px}
    main{overflow:hidden}
    section{padding:68px 0}
    .hero{padding:34px 0 56px}
    .hero-grid{
      display:grid;grid-template-columns:1.18fr .82fr;gap:26px;align-items:stretch;
    }
    .hero-panel{
      position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(107,92,255,.08), rgba(34,193,195,.08)),
        linear-gradient(180deg,#fff,#f9fbff);
      border:1px solid rgba(217,225,238,.9);
      border-radius:28px;
      box-shadow:var(--shadow);
      padding:36px;
    }
    .hero-panel:before{
      content:"";position:absolute;inset:auto -10% -30% auto;width:340px;height:340px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,138,91,.18), transparent 64%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:rgba(107,92,255,.08);
      color:#3c33ad;font-weight:700;font-size:13px
    }
    h1{font-size:clamp(32px,4.8vw,56px);line-height:1.08;margin:18px 0 14px;letter-spacing:-.8px}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:58ch;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
    .hero-points{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:28px
    }
    .mini{
      background:rgba(255,255,255,.88);border:1px solid rgba(217,225,238,.88);
      border-radius:18px;padding:16px 16px 14px;box-shadow:0 8px 22px rgba(31,42,55,.05)
    }
    .mini b{display:block;font-size:16px;margin-bottom:6px}
    .mini p{margin:0;color:var(--muted);font-size:14px;line-height:1.7}
    .hero-side{
      display:grid;gap:16px
    }
    .score-card,.contact-card,.badge-card{
      background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow2)
    }
    .score{
      display:flex;align-items:flex-end;justify-content:space-between;gap:16px
    }
    .score strong{font-size:44px;line-height:1;color:#162033}
    .score span{display:block;color:var(--muted);font-size:13px}
    .stars{color:#ff9f2f;font-size:18px;letter-spacing:2px;margin-top:4px}
    .kpis{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .kpi{
      background:linear-gradient(180deg,#fff, #fbfcff);border:1px solid var(--line);border-radius:22px;padding:20px;
      box-shadow:0 10px 26px rgba(31,42,55,.05)
    }
    .kpi strong{display:block;font-size:28px;margin-bottom:6px}
    .kpi span{color:var(--muted);font-size:14px;line-height:1.5}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:24px}
    .section-head h2{margin:0;font-size:30px;line-height:1.2}
    .section-head p{margin:0;color:var(--muted);max-width:64ch;line-height:1.8}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
    .card{
      background:rgba(255,255,255,.92);
      border:1px solid rgba(217,225,238,.95);
      border-radius:24px;padding:22px;box-shadow:0 12px 28px rgba(31,42,55,.05);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 38px rgba(31,42,55,.10);border-color:#cbd6ea}
    .icon{
      width:48px;height:48px;border-radius:16px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(107,92,255,.15), rgba(34,193,195,.12));
      color:#4338ca;font-weight:900;margin-bottom:14px
    }
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8;font-size:14px}
    .card ul{margin:0;padding-left:18px}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{
      padding:10px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#344154;font-size:13px
    }
    .panel{
      background:linear-gradient(180deg,#fff, #fbfcff);border:1px solid var(--line);border-radius:26px;padding:24px;box-shadow:var(--shadow2)
    }
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:separate;border-spacing:0;min-width:900px}
    th,td{padding:16px 14px;border-bottom:1px solid #edf1f7;text-align:left;vertical-align:top}
    th{background:#f7f9fd;font-size:14px}
    td{font-size:14px;color:#364152}
    .tag-good,.tag-warn,.tag-accent{
      display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700
    }
    .tag-good{background:rgba(27,154,106,.10);color:var(--good)}
    .tag-warn{background:rgba(183,121,31,.12);color:var(--warn)}
    .tag-accent{background:rgba(107,92,255,.10);color:#473ad2}
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:72px 1fr;gap:16px;align-items:start;
      padding:18px;border-radius:22px;background:#fff;border:1px solid var(--line)
    }
    .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:900;font-size:18px;
      box-shadow:0 12px 24px rgba(107,92,255,.22)
    }
    .step h3{margin:2px 0 8px;font-size:17px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .review{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:0 12px 24px rgba(31,42,55,.05)
    }
    .review .meta{display:flex;justify-content:space-between;gap:10px;align-items:center;margin-bottom:10px}
    .avatar{
      width:44px;height:44px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(107,92,255,.16), rgba(255,138,91,.14));font-weight:800;color:#27324a
    }
    .review h4{margin:0;font-size:15px}
    .review p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .case-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .case-image{
      border-radius:24px;overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2)
    }
    .case-image img{width:100%;height:auto}
    .case-list{display:grid;gap:14px}
    .article-list{display:grid;gap:12px}
    .article{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:16px 18px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .article strong{display:block;margin-bottom:4px}
    .article span{color:var(--muted);font-size:13px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-size:14px;font-weight:700;color:#253244}
    input,select,textarea{
      width:100%;padding:13px 14px;border:1px solid #cad5e6;border-radius:14px;background:#fff;
      color:#1f2a37;font:inherit;outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#7f71ff;box-shadow:0 0 0 4px rgba(107,92,255,.10)}
    textarea{min-height:130px;resize:vertical}
    .full{grid-column:1/-1}
    .faq{display:grid;gap:12px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden;box-shadow:0 10px 24px rgba(31,42,55,.04)
    }
    summary{
      list-style:none;cursor:pointer;padding:18px 18px 18px 20px;font-weight:700;display:flex;justify-content:space-between;gap:12px
    }
    summary::-webkit-details-marker{display:none}
    details p{margin:0;padding:0 20px 18px;color:var(--muted);line-height:1.8}
    .footer{
      background:#101826;color:#d9e1ee;margin-top:0;padding:36px 0 26px;border-top:1px solid rgba(255,255,255,.08)
    }
    .footer a{color:#ffffff}
    .footer .muted{color:#b4bfd0}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:20px}
    .footer-card{
      background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:20px;padding:20px
    }
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{display:inline-flex;padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.06)}
    .float-box{
      position:fixed;right:16px;bottom:18px;z-index:55;display:grid;gap:10px
    }
    .float-box a,.backtop{
      width:52px;height:52px;border-radius:16px;border:none;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),#8b79ff);color:#fff;box-shadow:0 16px 28px rgba(107,92,255,.25);cursor:pointer
    }
    .backtop{opacity:0;pointer-events:none;transform:translateY(10px);transition:.22s ease}
    .backtop.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .mobile-panel{display:none}
    .scroll-x{overflow:auto}
    .badge-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .section-soft{background:linear-gradient(180deg,rgba(107,92,255,.04),rgba(34,193,195,.04));}
    .muted{color:var(--muted)}
    .contact-grid{display:grid;grid-template-columns:1fr .75fr;gap:18px;align-items:start}
    .contact-list{display:grid;gap:12px}
    .contact-item{display:flex;gap:12px;align-items:flex-start}
    .contact-item b{display:block}
    .contact-item span{color:var(--muted);font-size:14px;line-height:1.7}
    .qr{
      width:180px;max-width:100%;margin-top:10px;border-radius:18px;border:1px solid var(--line)
    }
    .floating-nav{
      display:none;
    }
    .home-link{font-weight:700}
    @media (max-width: 1080px){
      .hero-grid,.case-grid,.contact-grid,.footer-grid,.grid-3,.reviews,.kpis,.grid-2{grid-template-columns:1fr 1fr}
      .hero-panel{padding:28px}
    }
    @media (max-width: 820px){
      .nav-links,.nav-actions{display:none}
      .menu-btn{display:inline-flex}
      .mobile-panel{
        display:none;padding:0 0 16px
      }
      .mobile-panel.open{display:block}
      .mobile-panel .panel{
        padding:14px;margin-bottom:14px
      }
      .mobile-links{display:grid;grid-template-columns:1fr 1fr;gap:10px}
      .mobile-links a{padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
      .hero-grid,.case-grid,.contact-grid,.footer-grid,.grid-3,.reviews,.kpis,.grid-2,.form-grid{grid-template-columns:1fr}
      section{padding:56px 0}
      .hero{padding-top:22px}
      .hero-panel{padding:24px}
      .hero-points{grid-template-columns:1fr}
      h1{font-size:clamp(30px,9vw,44px)}
      .section-head{flex-direction:column;align-items:flex-start}
      .step{grid-template-columns:1fr;gap:10px}
      .step-num{width:52px;height:52px}
      .article{flex-direction:column;align-items:flex-start}
      .float-box{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .55s ease, transform .55s ease}
    .reveal.show{opacity:1;transform:none}
    .topline{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
    .topline .chip{background:rgba(255,255,255,.92)}
    .compare-badge{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .mini-list{display:grid;gap:8px;margin:0;padding-left:18px}
    .price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .price{position:relative;overflow:hidden}
    .price .val{font-size:30px;font-weight:900;margin:8px 0}
    .price.reco{border-color:rgba(107,92,255,.35);box-shadow:0 18px 40px rgba(107,92,255,.12)}
    .price.reco:before{
      content:"推荐";position:absolute;top:16px;right:-32px;transform:rotate(45deg);
      background:linear-gradient(135deg,var(--brand),#8b79ff);color:#fff;font-size:12px;font-weight:800;padding:6px 40px;
    }