:root{
      --bg:#fff9e8;
      --bg-2:#fffdf6;
      --card:#ffffff;
      --line:#eadfb0;
      --text:#1f2937;
      --muted:#5b6472;
      --brand:#ffcc1a;
      --brand-2:#ffb400;
      --shadow:0 18px 40px rgba(32, 36, 44, .08);
      --shadow-soft:0 10px 24px rgba(32, 36, 44, .06);
      --radius:22px;
      --radius-sm:14px;
      --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",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,204,26,.26), transparent 28%),
        radial-gradient(circle at 85% 10%, rgba(255,180,0,.14), transparent 20%),
        linear-gradient(180deg, #fffdf6 0%, #fff9e8 42%, #fffef8 100%);
      line-height:1.7;
    }
    img{display:block;max-width:100%;height:auto}
    a{color:#1546b0;text-decoration:none}
    a:hover{color:#0d2f75}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(14px);
      background:rgba(255,252,241,.84);
      border-bottom:1px solid rgba(234,223,176,.75);
    }
    .topbar{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      padding:12px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    nav{display:flex;align-items:center;gap:14px}
    .menu{display:flex;flex-wrap:wrap;align-items:center;gap:8px;justify-content:flex-end}
    .menu a{
      padding:8px 12px;border-radius:999px;color:var(--text);font-size:14px;
      transition:.2s ease;background:transparent;border:1px solid transparent;
    }
    .menu a:hover,.menu a.active{background:#fff4bf;border-color:#f3d861;transform:translateY(-1px)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      padding:13px 18px;border-radius:999px;border:1px solid transparent;
      font-weight:700;cursor:pointer;transition:.22s ease;white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%, #ffd94b 55%, #ffbf00 100%);color:#1b1b1b;box-shadow:0 10px 24px rgba(255,196,0,.26)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,196,0,.33)}
    .btn-ghost{background:#fff;border-color:#eadfb0;color:var(--text)}
    .btn-ghost:hover{border-color:#dfc55e;transform:translateY(-2px)}
    .mobile-toggle{display:none}
    .hero{
      padding:42px 0 24px;
      position:relative;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:stretch;
    }
    .hero-copy,.hero-panel,.section-card,.panel{
      background:rgba(255,255,255,.8);
      border:1px solid rgba(234,223,176,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      padding:7px 12px;border-radius:999px;background:#fff4bf;border:1px solid #efd55f;
      color:#7a5a00;font-size:13px;font-weight:700;
    }
    h1{margin:18px 0 14px;font-size:clamp(32px, 4vw, 56px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0 0 22px;color:var(--muted);font-size:17px;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:22px 0 24px}
    .stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .stat{
      padding:16px;border-radius:18px;background:#fff8d6;border:1px solid #edd971;
      min-height:104px;
    }
    .stat strong{display:block;font-size:24px;line-height:1.1}
    .stat span{display:block;color:var(--muted);font-size:13px;margin-top:6px}
    .hero-panel{padding:22px;display:flex;flex-direction:column;gap:16px}
    .panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
    .panel-title{margin:0;font-size:20px}
    .badge{padding:7px 10px;border-radius:999px;background:#fff4bf;color:#8a6200;font-size:12px;font-weight:700}
    .model-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{
      padding:9px 12px;border-radius:999px;background:#fff;border:1px solid #eadfb0;
      color:#44505f;font-size:13px;box-shadow:var(--shadow-soft)
    }
    .hero-list{display:grid;gap:12px}
    .hero-list li{list-style:none;display:flex;gap:10px;color:var(--text)}
    .hero-list li::before{content:"";width:10px;height:10px;border-radius:50%;background:var(--brand-2);margin-top:8px;flex:none}
    section{padding:18px 0}
    .section-card{padding:28px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{
      background:linear-gradient(180deg,#fff 0%, #fffaf0 100%);
      border:1px solid #eee0a8;border-radius:18px;padding:20px;box-shadow:var(--shadow-soft);
      transition:.22s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(32,36,44,.09)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .icon{
      width:44px;height:44px;border-radius:14px;background:#fff2b2;border:1px solid #efd861;
      display:grid;place-items:center;font-size:20px;margin-bottom:12px
    }
    .timeline{display:grid;gap:14px}
    .step{
      display:grid;grid-template-columns:72px 1fr;gap:14px;align-items:start;padding:18px;border-radius:18px;background:#fff;border:1px solid #ecdca1
    }
    .step-num{
      width:56px;height:56px;border-radius:18px;background:linear-gradient(135deg,#ffdb4d,#ffbf00);
      color:#1b1b1b;display:grid;place-items:center;font-weight:800;font-size:20px
    }
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid #ecdca1;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:15px 14px;border-bottom:1px solid #f0e7be;text-align:left;vertical-align:top}
    th{background:#fff6cf;font-size:14px}
    tr:hover td{background:#fffdf4}
    .rating{
      display:grid;gap:12px;
      background:linear-gradient(135deg,#fff7d0 0%, #fffdf7 100%);
      border:1px solid #ecd559;border-radius:22px;padding:22px;
    }
    .stars{font-size:22px;color:#e0a800;letter-spacing:2px}
    .note{color:var(--muted);font-size:14px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 13px;border-radius:999px;background:#fff;border:1px solid #eadfb0;color:#4d5968}
    details{
      background:#fff;border:1px solid #ecdca1;border-radius:16px;padding:0 16px;box-shadow:var(--shadow-soft)
    }
    details + details{margin-top:12px}
    summary{
      list-style:none;cursor:pointer;padding:16px 0;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px
    }
    summary::-webkit-details-marker{display:none}
    summary::after{content:"＋";font-size:18px;color:#9a7600}
    details[open] summary::after{content:"－"}
    details p{margin:0 0 16px;color:var(--muted)}
    .reviews{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{position:relative}
    .quote .who{margin-top:14px;font-weight:700}
    .quote .role{font-size:13px;color:var(--muted)}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{
      padding:18px;border-radius:18px;background:#fff;border:1px solid #ecdca1;display:grid;gap:10px
    }
    .article time{font-size:12px;color:var(--muted)}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .field{display:grid;gap:8px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #e6d9a5;background:#fff;color:var(--text);
      font:inherit;outline:none;transition:.2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#d7af00;box-shadow:0 0 0 4px rgba(255,204,26,.18)}
    textarea{min-height:130px;resize:vertical}
    .full{grid-column:1 / -1}
    .submit-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:4px}
    .contact-grid{display:grid;grid-template-columns:1fr .8fr;gap:16px;align-items:start}
    .qrcode{
      padding:18px;border-radius:18px;background:#fff;border:1px solid #ecdca1;text-align:center
    }
    .qrcode img{width:180px;margin:10px auto 0;border-radius:16px}
    footer{
      margin-top:22px;
      background:#1e232b;color:#f5f7fb;border-top:1px solid #373f4d;
    }
    footer a{color:#ffe58b}
    .footer-inner{padding:28px 0;display:grid;gap:18px}
    .footer-top{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border:1px solid rgba(255,229,139,.24);border-radius:999px;background:rgba(255,255,255,.03)}
    .copyright{padding-top:14px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:#c7cfdb}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px
    }
    .float-btn{
      width:54px;height:54px;border-radius:50%;display:grid;place-items:center;
      background:linear-gradient(135deg,#ffdb4d,#ffbf00);color:#1b1b1b;font-weight:800;
      box-shadow:0 14px 28px rgba(255,191,0,.24);border:1px solid rgba(0,0,0,.05)
    }
    .float-btn:hover{transform:translateY(-2px)}
    .backtop{display:none}
    .ai-page-home-link{font-weight:700}
    .media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .media-grid img{border-radius:18px;border:1px solid #ecdca1;box-shadow:var(--shadow-soft)}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.contact-grid,.footer-top{grid-template-columns:1fr}
      .grid-3,.reviews,.article-list{grid-template-columns:1fr 1fr}
      .stat-row{grid-template-columns:repeat(2,1fr)}
    }
    @media (max-width: 760px){
      .menu{display:none}
      .menu.open{
        display:grid;grid-template-columns:1fr;position:absolute;left:16px;right:16px;top:72px;
        background:rgba(255,252,241,.98);padding:14px;border:1px solid #e9da9c;border-radius:18px;box-shadow:var(--shadow)
      }
      .mobile-toggle{display:inline-flex}
      .topbar{position:relative}
      .hero-copy,.hero-panel,.section-card{padding:20px}
      .grid-3,.grid-2,.reviews,.article-list,.form-grid,.media-grid{grid-template-columns:1fr}
      .stat-row{grid-template-columns:1fr 1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .btn{width:auto}
      h1{font-size:clamp(30px, 11vw, 44px)}
    }