:root{
      --bg:#fff8f4;
      --bg2:#fff2ea;
      --card:#ffffff;
      --text:#241b1b;
      --muted:#6d5954;
      --primary:#d9271c;
      --primary2:#ff5a3d;
      --line:#f0ddd6;
      --shadow:0 14px 40px rgba(122, 38, 23, .10);
      --radius:22px;
      --max:1200px;
    }
    *{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:linear-gradient(180deg,var(--bg) 0%,#fff 40%,var(--bg2) 100%);color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    .topbar{position:sticky;top:0;z-index:50;background:rgba(255,248,244,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(240,221,214,.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 .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 20px rgba(0,0,0,.05)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#4b3632;padding:8px 10px;border-radius:999px}
    .menu a:hover,.menu a:focus{background:rgba(217,39,28,.08);color:var(--primary)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .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(--primary),var(--primary2));color:#fff;box-shadow:0 12px 26px rgba(217,39,28,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(217,39,28,.28)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:#efb2a2;transform:translateY(-1px)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card{background:linear-gradient(145deg,#fff 0%,#fff5f0 100%);border:1px solid var(--line);border-radius:30px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-card:before{content:"";position:absolute;inset:auto -80px -80px auto;width:240px;height:240px;border-radius:50%;background:radial-gradient(circle,rgba(217,39,28,.18),transparent 65%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:rgba(217,39,28,.08);color:var(--primary);font-size:13px;font-weight:700}
    h1{font-size:clamp(30px,4vw,52px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .hero p{font-size:16px;color:var(--muted);margin:0 0 22px;max-width:58ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-bottom:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .point{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}
    .point b{display:block;font-size:18px;color:var(--primary)}
    .point span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .mini-card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)}
    .mini-card h3{margin:0 0 8px;font-size:18px}
    .mini-card p{margin:0;color:var(--muted);font-size:14px}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:58ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .card{background:var(--card);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:0 10px 24px rgba(73,34,24,.06);transition:.25s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 16px 34px rgba(73,34,24,.10)}
    .card h3,.card h4{margin:0 0 10px}
    .card p{margin:0;color:var(--muted)}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;background:#fff1ec;color:#b92618;font-size:12px;font-weight:700;margin-bottom:12px}
    .service-list{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#563b36;font-size:13px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:auto 1fr;gap:14px;align-items:start;padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line)}
    .step-num{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:grid;place-items:center;font-weight:800}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #f3e5df;text-align:left;vertical-align:top}
    th{background:#fff4ef;color:#5b3932;font-size:14px}
    td{color:#3b2a27;font-size:14px}
    .highlight{color:var(--primary);font-weight:800}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 8px 20px rgba(73,34,24,.05)}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    details p{margin:12px 0 0;color:var(--muted)}
    .testimonials .card{display:flex;flex-direction:column;gap:12px}
    .avatar{width:46px;height:46px;border-radius:16px;background:linear-gradient(135deg,#ffd3c7,#ff7d68)}
    .quote{color:#493431}
    .articles{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:14px;padding:16px 18px;border:1px solid var(--line);border-radius:18px;background:#fff}
    .article-item span{color:var(--muted);font-size:13px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    input,select,textarea{width:100%;border:1px solid #e8d4cc;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ef8c73;box-shadow:0 0 0 4px rgba(217,39,28,.08)}
    .footer{padding:26px 0 18px;border-top:1px solid rgba(240,221,214,.9);margin-top:10px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer a{color:#7a2d24}
    .footer small,.footer p{color:var(--muted)}
    .fixed-bar{position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px}
    .fixed-bar a,.fixed-bar button{width:52px;height:52px;border-radius:50%;border:none;background:linear-gradient(135deg,var(--primary),var(--primary2));color:#fff;display:grid;place-items:center;box-shadow:0 14px 28px rgba(217,39,28,.28);cursor:pointer}
    .fixed-bar .secondary{background:#fff;color:var(--primary);border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .ticker{display:flex;flex-wrap:wrap;gap:10px}
    .price-box{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .price{border:1px solid var(--line);border-radius:22px;padding:18px;background:linear-gradient(180deg,#fff, #fff7f4)}
    .price strong{display:block;font-size:28px;color:var(--primary)}
    .mapline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
    .region{padding:16px;border-radius:18px;background:#fff;border:1px dashed #efc1b3}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.price-box,.mapline{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .menu{display:none}
      .mobile-toggle{display:inline-flex}
      .nav-actions .btn-ghost{display:none}
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.price-box,.mapline,.form-grid{grid-template-columns:1fr}
      .hero-card{padding:24px}
      .section-head{align-items:flex-start;flex-direction:column}
      .desktop-only{display:none}
      .mobile-only{display:block}
    }