:root{
      --bg:#faf7ff;
      --bg2:#f3edff;
      --card:#ffffff;
      --text:#1e1b2e;
      --muted:#5f5a78;
      --line:#e7dff7;
      --brand:#7a35ff;
      --brand2:#b54cff;
      --brand3:#5b7cff;
      --ok:#1f9d72;
      --shadow:0 18px 50px rgba(92, 45, 176, .12);
      --shadow2:0 10px 24px rgba(88, 55, 155, .10);
      --radius:20px;
      --radius2:28px;
      --container: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(122,53,255,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(181,76,255,.12), transparent 22%),
        linear-gradient(180deg,var(--bg),#fff 22%,#fff 78%,#f9f5ff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(250,247,255,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(231,223,247,.8)}
    .topbar{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 .logo{width:44px;height:44px;border-radius:14px;object-fit:contain;background:#fff;box-shadow:var(--shadow2);padding:5px}
    .brand h1{font-size:18px;line-height:1.1;margin:0}
    .brand p{margin:3px 0 0;color:var(--muted);font-size:12px}
    nav{display:flex;align-items:center;gap:18px}
    .navlinks{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .navlinks a{font-size:14px;color:#352f4f;opacity:.92}
    .navlinks a:hover{color:var(--brand)}
    .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 26px rgba(122,53,255,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(122,53,255,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:rgba(122,53,255,.3)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{padding:44px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.case-card,.quote-card,.review-card,.faq-item,.article-card,.compare-card,.form-card,.timeline-card,.table-card{background:linear-gradient(180deg,rgba(255,255,255,.98),rgba(250,247,255,.98));border:1px solid rgba(231,223,247,.92);border-radius:var(--radius2);box-shadow:var(--shadow)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;background:rgba(122,53,255,.09);color:var(--brand);border-radius:999px;font-size:13px;font-weight:700}
    .hero h2{margin:16px 0 14px;font-size:clamp(30px,4vw,54px);line-height:1.08;letter-spacing:-.02em}
    .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:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
    .point{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff,rgba(247,242,255,.9));border:1px solid var(--line)}
    .point strong{display:block;font-size:18px}
    .point span{display:block;color:var(--muted);font-size:13px;margin-top:4px;line-height:1.5}
    .hero-side{padding:24px;display:flex;flex-direction:column;gap:14px}
    .mini-stat{padding:18px;border-radius:18px;background:linear-gradient(135deg,rgba(122,53,255,.08),rgba(181,76,255,.07));border:1px solid rgba(122,53,255,.12)}
    .mini-stat strong{display:block;font-size:24px;margin-bottom:6px}
    .mini-stat span{color:var(--muted);font-size:13px;line-height:1.6}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#443c66}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h3{margin:0;font-size:24px}
    .section-head p{margin:0;color:var(--muted)}
    .grid-3,.grid-4{display:grid;gap:14px}
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(4,1fr)}
    .info-card,.case-card,.review-card,.article-card,.compare-card,.form-card,.timeline-card,.table-card{padding:22px}
    .info-card h4,.case-card h4,.review-card h4,.article-card h4,.compare-card h4{margin:0 0 10px;font-size:18px}
    .info-card p,.case-card p,.review-card p,.article-card p,.compare-card p{margin:0;color:var(--muted);line-height:1.75}
    .metric{display:flex;flex-direction:column;gap:8px}
    .metric strong{font-size:30px;color:var(--brand)}
    .metric span{color:var(--muted);font-size:14px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:14px;align-items:start}
    .feature-list,.check-list{margin:0;padding:0;list-style:none;display:grid;gap:10px}
    .feature-list li,.check-list li{display:flex;gap:10px;align-items:flex-start;color:#3b3557;line-height:1.7}
    .dot{width:10px;height:10px;border-radius:50%;margin-top:7px;background:linear-gradient(135deg,var(--brand),var(--brand2));flex:none}
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{border-bottom:1px solid var(--line);padding:14px 12px;text-align:left;vertical-align:top;font-size:14px}
    th{color:#2f2849;background:#faf7ff}
    td{color:#3c3657}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:rgba(122,53,255,.1);color:var(--brand);font-size:12px;font-weight:700}
    .badge.good{background:rgba(31,157,114,.1);color:var(--ok)}
    .badge.warn{background:rgba(255,171,0,.12);color:#8f6700}
    .timeline{display:grid;gap:12px}
    .step{display:grid;grid-template-columns:42px 1fr;gap:14px;align-items:start}
    .step .num{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:grid;place-items:center;font-weight:800}
    .step h4{margin:0 0 6px}
    .step p{margin:0;color:var(--muted);line-height:1.7}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;gap:12px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .answer{padding:0 20px 18px;color:var(--muted);line-height:1.8}
    .review-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .review-card .meta{display:flex;justify-content:space-between;gap:10px;margin-bottom:10px;color:#5d5777;font-size:13px}
    .article-list{display:grid;gap:12px}
    .article-card{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}
    .article-card .title{font-weight:800;margin-bottom:6px}
    .article-card .link{color:var(--brand);font-weight:700}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field label{font-weight:700;font-size:14px}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;font:inherit;color:var(--text);outline:none
    }
    .field textarea{min-height:120px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(122,53,255,.45);box-shadow:0 0 0 4px rgba(122,53,255,.08)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:8px}
    .footer{padding:24px 0 34px;border-top:1px solid rgba(231,223,247,.85);background:linear-gradient(180deg,rgba(250,247,255,.35),rgba(255,255,255,.92));color:#2d2742}
    .footer a{color:#4f35c6}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px;align-items:start}
    .footer small{color:#675f85;line-height:1.7}
    .float-tools{position:fixed;right:16px;bottom:16px;display:flex;flex-direction:column;gap:10px;z-index:60}
    .float-tools a,.float-tools button{width:46px;height:46px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow2);display:grid;place-items:center;cursor:pointer}
    .home-link{font-weight:700}
    .fade-in{opacity:0;transform:translateY(18px);transition:.6s ease}
    .fade-in.show{opacity:1;transform:none}
    .gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
    .gallery img,.media-card img{width:100%;height:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    .media-card{display:grid;gap:12px}
    .service-map{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .service-node{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .service-node strong{display:block;margin-bottom:6px}
    .table-card h4{margin:0 0 12px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .price{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .price strong{font-size:28px;color:var(--brand)}
    .note{font-size:13px;color:var(--muted);line-height:1.7}
    .mobile-only{display:none}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-4,.grid-3,.review-grid,.footer-grid,.form-grid,.price-grid,.gallery,.service-map{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      nav{display:none}
      .menu-toggle{display:inline-grid}
      nav.open{display:flex;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;flex-direction:column;align-items:flex-start;box-shadow:var(--shadow)}
      .navlinks{flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 720px){
      .hero-grid,.split,.grid-4,.grid-3,.review-grid,.footer-grid,.form-grid,.price-grid,.gallery,.service-map{grid-template-columns:1fr}
      .hero-main,.hero-side,.info-card,.case-card,.review-card,.article-card,.compare-card,.form-card,.timeline-card,.table-card{padding:18px}
      .hero{padding-top:28px}
      .brand h1{font-size:16px}
      .mobile-only{display:block}
      .section-head{align-items:flex-start;flex-direction:column}
      .article-card{flex-direction:column}
      .float-tools{right:12px;bottom:12px}
    }