:root{
      --bg:#f7f8fc;
      --panel:#ffffff;
      --panel2:#f2f6ff;
      --text:#172033;
      --muted:#5f6b85;
      --line:#dde4f2;
      --primary:#3b67ff;
      --primary2:#7c3aed;
      --accent:#12b8a6;
      --shadow:0 18px 40px rgba(23,32,51,.08);
      --radius:22px;
      --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;background:
      radial-gradient(circle at top left, rgba(59,103,255,.10), transparent 24%),
      radial-gradient(circle at top right, rgba(124,58,237,.10), transparent 20%),
      linear-gradient(180deg, #fbfcff 0%, #f4f7fd 100%);
      color:var(--text);line-height:1.6}
    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(247,248,252,.84);backdrop-filter:blur(14px);border-bottom:1px solid rgba(221,228,242,.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:40px;height:40px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 20px rgba(59,103,255,.12)}
    .brand strong{display:block;font-size:16px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--muted);padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover,.nav-links a.active{color:var(--text);background:rgba(59,103,255,.08)}
    .top-cta{display:inline-flex;align-items:center;gap:8px;padding:11px 16px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;font-weight:700;box-shadow:0 12px 28px rgba(59,103,255,.24)}
    main{overflow:hidden}
    section{padding:64px 0}
    .hero{padding:44px 0 56px}
    .hero-shell{display:grid;grid-template-columns:1.3fr .9fr;gap:22px;align-items:stretch}
    .hero-card,.glass-card,.card,.panel{background:rgba(255,255,255,.88);border:1px solid rgba(221,228,242,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:34px;position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none}
    .hero-card:before{width:280px;height:280px;background:radial-gradient(circle, rgba(59,103,255,.16), transparent 66%);right:-80px;top:-60px}
    .hero-card:after{width:240px;height:240px;background:radial-gradient(circle, rgba(18,184,166,.16), transparent 68%);left:-70px;bottom:-60px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:rgba(59,103,255,.08);color:#2742b8;border:1px solid rgba(59,103,255,.12);padding:8px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .lead{font-size:17px;color:var(--muted);max-width:760px}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;font-weight:700;border:1px solid transparent;transition:.22s;cursor:pointer}
    .btn.primary{background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 12px 28px rgba(59,103,255,.2)}
    .btn.ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover,.card:hover,.hero-mini:hover,.review:hover,.case:hover{transform:translateY(-3px)}
    .hero-mini{display:grid;gap:14px;padding:26px}
    .mini-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .stat{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f6f8ff);border:1px solid var(--line)}
    .stat b{display:block;font-size:24px;margin-bottom:6px}
    .stat span{font-size:13px;color:var(--muted)}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-head h2{font-size:clamp(24px,3vw,36px);margin:0}
    .section-head p{margin:0;color:var(--muted);max-width:720px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .card{padding:22px}
    .card h3,.card h4{margin:0 0 10px}
    .muted{color:var(--muted)}
    .badge{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#eef4ff;color:#2d4ee0;font-size:12px;font-weight:700}
    .icon-dot{width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--accent));box-shadow:0 0 0 4px rgba(59,103,255,.10)}
    .service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service-item{padding:18px;border:1px solid var(--line);border-radius:18px;background:linear-gradient(180deg,#fff,#f8faff)}
    .service-item strong{display:block;margin-bottom:6px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:68px 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .step .num{width:54px;height:54px;border-radius:16px;background:linear-gradient(135deg,rgba(59,103,255,.14),rgba(124,58,237,.12));display:grid;place-items:center;font-weight:800;color:#2b46c2}
    .table-wrap{overflow-x:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f6f8ff;color:#203055;font-size:14px}
    tr:last-child td{border-bottom:none}
    .quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .review{padding:20px;border:1px solid var(--line);border-radius:20px;background:linear-gradient(180deg,#fff,#f8faff);transition:.22s}
    .review .role{font-size:13px;color:#2d4ee0;font-weight:700}
    .review p{margin:10px 0 0;color:var(--muted)}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);transition:.22s}
    .case .label{font-size:12px;color:#2d4ee0;font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#33415f}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .article a{color:var(--text);font-weight:700}
    .article .meta{font-size:13px;color:var(--muted);margin-top:10px}
    .form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:16px}
    form{display:grid;gap:12px}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #cfd8ea;background:#fff;color:var(--text);font:inherit;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:rgba(59,103,255,.55);box-shadow:0 0 0 4px rgba(59,103,255,.08)}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;overflow:hidden}
    summary{cursor:pointer;list-style:none;padding:18px 18px;font-weight:700}
    summary::-webkit-details-marker{display:none}
    details p{margin:0;padding:0 18px 18px;color:var(--muted)}
    .footer{padding:30px 0 26px;border-top:1px solid var(--line);background:#f7f9ff;color:#21304c}
    .footer a{color:#2742b8}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:20px;align-items:start}
    .footer small{color:#5f6b85}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .floating{position:fixed;right:16px;bottom:18px;z-index:40;display:grid;gap:10px}
    .float-btn{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;box-shadow:0 14px 30px rgba(59,103,255,.25)}
    .float-btn.secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .kefu-panel{position:fixed;right:16px;bottom:138px;z-index:40;width:260px;background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);padding:14px;display:none}
    .kefu-panel.open{display:block}
    .kefu-panel img{border-radius:14px}
    .anchor{scroll-margin-top:92px}
    .rating{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
    .stars{color:#f5a623;letter-spacing:2px;font-size:18px}
    .image-row{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .image-row img{width:100%;height:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    .accordion-note{margin-top:8px;color:var(--muted);font-size:13px}
    @media (max-width: 1024px){
      .hero-shell,.form-grid,.footer-grid,.grid-3,.grid-4,.case-grid,.article-list,.quote-grid,.image-row{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 820px){
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;width:100%;padding:12px 0 0;justify-content:flex-start}
      .nav-links.open{display:flex}
      .nav{flex-wrap:wrap}
      .hero-shell,.form-grid,.footer-grid,.grid-3,.grid-4,.case-grid,.article-list,.quote-grid,.image-row{grid-template-columns:1fr}
      .hero-card{padding:24px}
      .section-head{align-items:flex-start;flex-direction:column}
      .service-list{grid-template-columns:1fr}
    }