:root{
      --bg:#f7f8fc;
      --panel:#ffffff;
      --panel-2:#f3f7ff;
      --line:#e6eaf3;
      --text:#182235;
      --muted:#5d6982;
      --brand:#4b6bff;
      --brand2:#7c3aed;
      --brand3:#06b6d4;
      --accent:#ff7a59;
      --shadow:0 14px 34px rgba(36,51,87,.10);
      --radius:20px;
      --radius-sm:14px;
      --max: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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(75,107,255,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(6,182,212,.10), transparent 26%),
        linear-gradient(180deg,#fbfcff 0%, #f7f8fc 38%, #f6f8fc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(160%) blur(12px);
      background:rgba(247,248,252,.82);
      border-bottom:1px solid rgba(230,234,243,.8);
    }
    .nav-wrap{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:42px;height:42px;object-fit:contain}
    .brand-text{display:flex;flex-direction:column;line-height:1.15}
    .brand-text strong{font-size:18px}
    .brand-text span{font-size:12px;color:var(--muted)}
    .menu-btn{
      display:none;border:1px solid var(--line);background:#fff;color:var(--text);
      border-radius:12px;padding:10px 12px;font-weight:700
    }
    nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    nav a{font-size:14px;color:#30405d;padding:8px 0;position:relative}
    nav a:after{
      content:"";position:absolute;left:0;bottom:-2px;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand3));transition:.25s ease;border-radius:99px
    }
    nav a:hover:after{width:100%}
    .home-pill{
      padding:10px 14px;border-radius:999px;background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#fff !important;font-weight:700;box-shadow:0 10px 24px rgba(75,107,255,.24)
    }
    .hero{padding:34px 0 10px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.card,.panel{
      background:rgba(255,255,255,.86);
      border:1px solid rgba(230,234,243,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-main{padding:30px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{
      content:"";position:absolute;border-radius:50%;filter:blur(8px);pointer-events:none
    }
    .hero-main:before{width:220px;height:220px;background:rgba(75,107,255,.12);right:-60px;top:-70px}
    .hero-main:after{width:160px;height:160px;background:rgba(255,122,89,.10);left:-50px;bottom:-50px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;
      background:linear-gradient(90deg,rgba(75,107,255,.10),rgba(6,182,212,.10));
      color:#29406d;font-size:13px;font-weight:700
    }
    h1{font-size:clamp(30px,4vw,52px);line-height:1.1;margin:16px 0 14px}
    .lead{font-size:16px;line-height:1.9;color:var(--muted);max-width:62ch}
    .cta-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border-radius:14px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.25s ease;
      cursor:pointer
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 26px rgba(75,107,255,.24)}
    .btn-secondary{background:#fff;color:var(--text);border-color:var(--line)}
    .btn:hover{transform:translateY(-2px)}
    .hero-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:24px}
    .metric{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff, #f7f9ff);border:1px solid var(--line)}
    .metric strong{display:block;font-size:22px;margin-bottom:6px}
    .metric span{color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{padding:18px;display:grid;gap:14px}
    .side-top{padding:16px;border-radius:18px;background:linear-gradient(135deg,rgba(75,107,255,.08),rgba(124,58,237,.08));border:1px solid rgba(75,107,255,.12)}
    .side-top h2{font-size:18px;margin:0 0 8px}
    .side-top p{margin:0;color:var(--muted);line-height:1.8;font-size:14px}
    .quick-list{display:grid;gap:10px}
    .quick-item{padding:13px 14px;border-radius:14px;background:#fff;border:1px solid var(--line);display:flex;justify-content:space-between;gap:14px;align-items:center}
    .quick-item b{font-size:14px}
    .quick-item span{font-size:12px;color:var(--muted)}
    .section{padding:22px 0}
    .section h2{font-size:28px;margin:0 0 12px}
    .section-head{display:flex;justify-content:space-between;gap:12px;align-items:end;margin-bottom:14px;flex-wrap:wrap}
    .section-head p{margin:0;color:var(--muted);line-height:1.8;max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:20px}
    .card h3,.card h4{margin:0 0 10px}
    .card p{margin:0;color:var(--muted);line-height:1.8}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#2b3954;font-size:13px}
    .service-list{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line);transition:.25s ease}
    .service:hover,.card:hover,.panel:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(36,51,87,.13)}
    .service strong{display:block;font-size:16px;margin-bottom:8px}
    .service small{display:block;color:#7a859b;line-height:1.7}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:76px 1fr;gap:14px;padding:18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .step-num{
      width:76px;height:76px;border-radius:20px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(75,107,255,.12),rgba(6,182,212,.12));font-size:22px;font-weight:800;color:#28406e
    }
    .step h3{margin:0 0 8px}
    .step p{margin:0;color:var(--muted);line-height:1.8}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:840px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f6f8ff;color:#23314b;font-size:14px}
    td{color:#3c4960;line-height:1.8;font-size:14px}
    .score{
      display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(34,197,94,.10);color:#146c3d;font-weight:700
    }
    .rating{
      padding:18px;border-radius:20px;background:linear-gradient(135deg,#fff, #f2f7ff);border:1px solid var(--line)
    }
    .rating strong{font-size:28px;display:block;margin:4px 0}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .review{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .review .role{font-size:13px;color:#6c778e;margin-bottom:10px}
    .review p{margin:0;line-height:1.85;color:#364257}
    .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .case .label{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(124,58,237,.10);color:#5832a6;font-size:12px;font-weight:700;margin-bottom:10px}
    .articles{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .article{padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .article time{display:block;color:#8090a6;font-size:12px;margin-bottom:10px}
    .article a{display:block;font-weight:700;color:#21314f;line-height:1.6}
    .faq{display:grid;gap:12px}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{
      width:100%;padding:16px 18px;background:#fff;border:0;text-align:left;font-size:15px;font-weight:700;color:var(--text);
      display:flex;justify-content:space-between;align-items:center;cursor:pointer
    }
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:180px;padding:0 18px 16px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.8}
    .contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:16px}
    .form{
      padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line)
    }
    .field{display:grid;gap:8px;margin-bottom:14px}
    .field label{font-size:13px;color:#39485e;font-weight:700}
    .field input,.field select,.field textarea{
      width:100%;border:1px solid #dbe2ef;border-radius:14px;padding:12px 14px;font:inherit;background:#fbfcff;color:var(--text)
    }
    .field textarea{min-height:120px;resize:vertical}
    .contact-box{display:grid;gap:14px}
    .contact-panel{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid var(--line)}
    .contact-panel h3{margin:0 0 10px}
    .contact-panel p,.contact-panel li{color:var(--muted);line-height:1.8}
    .contact-panel ul{margin:0;padding-left:18px}
    .qr{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .qr img{width:120px;height:120px;object-fit:cover;border-radius:16px;border:1px solid var(--line);background:#fff}
    .footer{
      margin-top:18px;padding:20px 0 26px;border-top:1px solid rgba(230,234,243,.9);background:rgba(255,255,255,.55)
    }
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:16px;align-items:start}
    .footer p,.footer a{color:#4a566d;line-height:1.8}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border:1px solid var(--line);border-radius:999px;background:#fff}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:14px;border:1px solid rgba(230,234,243,.95);background:#fff;
      box-shadow:0 10px 24px rgba(36,51,87,.12);display:grid;place-items:center;color:#24324c;font-weight:900;cursor:pointer
    }
    .chat-float{
      position:fixed;left:16px;bottom:16px;z-index:60;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
      padding:12px 14px;border-radius:16px;box-shadow:0 16px 34px rgba(75,107,255,.28);font-weight:800
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.visible{opacity:1;transform:none}
    .subtle-bars{display:grid;grid-template-columns:repeat(12,1fr);gap:8px;margin-top:18px}
    .bar{height:10px;border-radius:99px;background:linear-gradient(90deg,rgba(75,107,255,.16),rgba(6,182,212,.16),rgba(255,122,89,.16))}
    .bar:nth-child(2n){opacity:.72}
    .bar:nth-child(3n){opacity:.58}
    .bar:nth-child(5n){opacity:.84}
    .note{
      padding:14px 16px;border-radius:16px;background:rgba(75,107,255,.08);border:1px solid rgba(75,107,255,.12);color:#2c4069;line-height:1.8
    }
    .anchor-link{color:#27406d;font-weight:700}
    .mini-links{display:flex;flex-wrap:wrap;gap:10px}
    .mini-links a{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    @media (max-width: 980px){
      .hero-grid,.contact-grid,.footer-grid,.grid-4,.grid-3,.reviews,.cases,.articles{grid-template-columns:1fr}
      .grid-2,.service-list,.hero-metrics{grid-template-columns:1fr 1fr}
      nav{display:none}
      nav.open{display:flex;position:absolute;left:16px;right:16px;top:72px;padding:14px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .menu-btn{display:inline-flex}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 22px))}
      .hero-main,.hero-side,.card,.panel,.form,.contact-panel{border-radius:18px}
      .hero-main{padding:20px}
      h1{font-size:30px}
      .hero-metrics,.grid-2,.service-list{grid-template-columns:1fr}
      .step{grid-template-columns:1fr}
      .step-num{width:58px;height:58px;border-radius:16px}
      .menu-btn{padding:10px 11px}
      .chat-float{font-size:14px}
    }