:root{
      --bg:#fff9ea;
      --panel:#ffffff;
      --panel-soft:#fff6cc;
      --text:#1f2937;
      --muted:#5f6570;
      --line:#eadfbd;
      --brand:#ffbf00;
      --brand-2:#ff8f00;
      --brand-3:#ffe36b;
      --shadow:0 18px 40px rgba(85,62,0,.10);
      --radius:20px;
      --radius-sm:14px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,191,0,.18), transparent 24%),
        radial-gradient(circle at top right, rgba(255,227,107,.22), transparent 22%),
        linear-gradient(180deg, #fffdf6 0%, #fff8e8 35%, #fff6dd 100%);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--max)); margin:0 auto}
    header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(160%) blur(10px);
      background:rgba(255,250,234,.88);
      border-bottom:1px solid rgba(234,223,189,.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 .ai-page-logo{width:42px; height:42px; border-radius:12px; object-fit:cover; box-shadow:0 10px 24px rgba(255,191,0,.25)}
    .brand h2{margin:0; font-size:18px; line-height:1.1}
    .brand p{margin:2px 0 0; font-size:12px; color:var(--muted)}
    nav{display:flex; align-items:center; gap:14px}
    .navlinks{display:flex; align-items:center; gap:18px; flex-wrap:wrap}
    .navlinks a{font-size:14px; color:#374151; padding:8px 0}
    .navlinks a:hover{color:#000}
    .nav-cta{display:flex; gap:10px; align-items:center}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:11px 16px; border-radius:999px; border:1px solid transparent;
      font-weight:700; transition:.24s ease; cursor:pointer;
      box-shadow:0 10px 22px rgba(255,191,0,.18);
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#231900}
    .btn-secondary{background:#fff; color:#3f3a21; border-color:var(--line)}
    .btn:hover{transform:translateY(-2px); box-shadow:0 16px 28px rgba(255,191,0,.24)}
    .menu-toggle{display:none; background:#fff; border:1px solid var(--line); border-radius:12px; width:44px; height:44px}
    .menu-toggle span{display:block; width:18px; height:2px; background:#2f2f2f; margin:4px auto; border-radius:2px}
    main{padding:18px 0 0}
    section{padding:22px 0}
    .hero{padding-top:20px}
    .hero-grid{display:grid; grid-template-columns:1.25fr .75fr; gap:22px; align-items:stretch}
    .hero-card,.card,.info-card,.quote-card,.faq-item,.form-card,.table-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(234,223,189,.9);
      box-shadow:var(--shadow);
      border-radius:var(--radius);
    }
    .hero-card{padding:34px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      background:rgba(255,191,0,.12); color:#8a5b00;
      border:1px solid rgba(255,191,0,.18); padding:7px 12px; border-radius:999px;
      font-size:13px; font-weight:700;
    }
    h1{margin:16px 0 14px; font-size:clamp(30px, 5vw, 54px); line-height:1.08; letter-spacing:-.03em}
    .hero p{margin:0; color:var(--muted); font-size:16px; max-width:62ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
    .hero-metrics{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:28px}
    .metric{background:linear-gradient(180deg,#fffef7,#fff6d8); border:1px solid #f0e3a8; border-radius:18px; padding:16px}
    .metric strong{display:block; font-size:24px; line-height:1.1; color:#1f1a00}
    .metric span{display:block; margin-top:6px; font-size:13px; color:var(--muted)}
    .hero-side{display:grid; gap:16px}
    .hero-panel{padding:22px; background:linear-gradient(180deg,#fff8cc,#fffdfa); border-radius:var(--radius); border:1px solid #f0df9b}
    .hero-panel h3{margin:0 0 10px; font-size:18px}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); font-size:13px; color:#3f3a21}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:16px}
    .section-head h2{margin:0; font-size:28px; line-height:1.2}
    .section-head p{margin:0; color:var(--muted); max-width:68ch}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .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{padding:22px}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p{margin:0; color:var(--muted)}
    .icon{
      width:44px; height:44px; border-radius:14px; display:grid; place-items:center;
      background:linear-gradient(135deg,#fff0a8,#ffce2f); color:#3f2d00; font-weight:900; margin-bottom:14px;
    }
    .flow{counter-reset:step}
    .flow .card h3::before{
      counter-increment:step;
      content:counter(step,decimal-leading-zero);
      display:inline-block; margin-right:10px; color:#a96f00; font-size:14px;
    }
    .compare{overflow:auto}
    table{width:100%; border-collapse:separate; border-spacing:0; min-width:760px}
    th,td{padding:14px 16px; border-bottom:1px solid #efe5c8; text-align:left; vertical-align:top}
    th{background:#fff8d8; font-size:14px}
    tr:hover td{background:#fffdf4}
    .score{font-size:22px; font-weight:900; color:#8c5d00}
    .rating{color:#d18b00; font-weight:800}
    .faq{display:grid; gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%; background:none; border:0; padding:18px 20px; text-align:left; display:flex; justify-content:space-between; gap:14px; font-size:16px; font-weight:700; color:#1f2937; cursor:pointer
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .3s ease; padding:0 20px}
    .faq-item.open .faq-a{max-height:180px; padding-bottom:18px}
    .faq-a p{margin:0; color:var(--muted)}
    .reviews .quote-card{padding:20px}
    .quote-card .name{font-weight:800; margin-bottom:8px}
    .quote-card .role{font-size:13px; color:#8a6c00; margin-bottom:12px}
    .articles{display:grid; grid-template-columns:1.1fr .9fr; gap:16px}
    .article-list{display:grid; gap:12px}
    .article{
      padding:16px 18px; border-radius:16px; border:1px solid var(--line); background:#fff
    }
    .article a{font-weight:700; color:#1f2937}
    .article small{display:block; margin-top:6px; color:var(--muted)}
    .form-card{padding:22px}
    form{display:grid; gap:14px}
    .field{display:grid; gap:8px}
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid #e6dbb7; background:#fffdf7; color:#1f2937;
      border-radius:14px; padding:13px 14px; font:inherit; outline:none;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ffb800; box-shadow:0 0 0 4px rgba(255,184,0,.15)}
    .footgrid{display:grid; grid-template-columns:1.1fr .9fr 1fr; gap:16px}
    footer{
      margin-top:10px;
      background:#fff6d4;
      border-top:1px solid #ecdca9;
      color:#3d371d;
    }
    footer a{color:#6d4a00}
    .footer-inner{padding:24px 0}
    .footer-links{display:flex; flex-wrap:wrap; gap:12px}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px
    }
    .floating a,.floating button{
      width:52px; height:52px; border-radius:16px; border:1px solid #efd98b; background:#fff9d9;
      box-shadow:0 16px 30px rgba(97,67,0,.12); display:grid; place-items:center; cursor:pointer
    }
    .kefu{
      position:fixed; left:16px; bottom:16px; z-index:60; width:min(320px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow); overflow:hidden
    }
    .kefu .head{padding:12px 16px; background:linear-gradient(135deg,#fff3b1,#ffdc3e); font-weight:800}
    .kefu .body{padding:14px 16px; display:grid; gap:12px}
    .kefu .body img{width:100%; border-radius:14px; border:1px solid var(--line)}
    .kefu .meta{font-size:13px; color:var(--muted)}
    .hidden{display:none}
    .timeline{display:grid; gap:12px}
    .timeline-item{display:flex; gap:14px; padding:18px; border:1px solid var(--line); border-radius:16px; background:#fff}
    .dot{width:12px; height:12px; border-radius:50%; background:var(--brand); margin-top:7px; box-shadow:0 0 0 6px rgba(255,191,0,.12)}
    .mini{color:var(--muted); font-size:14px}
    .service-map{display:flex; flex-wrap:wrap; gap:10px}
    .service-map .tag{background:#fff7cf}
    .anchor-space{scroll-margin-top:90px}
    .marquee{
      display:flex; gap:18px; flex-wrap:wrap; color:#7a5a00; font-weight:700; font-size:14px
    }
    .marquee span{background:#fff7cf; border:1px solid #f0e0a0; padding:8px 12px; border-radius:999px}
    @media (max-width: 980px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.articles,.footgrid{grid-template-columns:1fr}
      nav{display:none}
      .menu-toggle{display:inline-grid; place-items:center}
      nav.open{
        display:grid; position:absolute; left:16px; right:16px; top:72px; background:#fffdf5;
        border:1px solid var(--line); border-radius:18px; padding:14px; box-shadow:var(--shadow)
      }
      .navlinks{display:grid; gap:8px}
      .nav-cta{display:grid; grid-template-columns:1fr 1fr}
      .hero-card{padding:24px}
      .hero-metrics{grid-template-columns:1fr}
      .kefu{left:16px; right:16px; width:auto}
    }