:root{
      --bg:#fff7f4;
      --panel:#ffffff;
      --panel-2:#fff1ee;
      --text:#231815;
      --muted:#6c5a57;
      --line:#f0d7d2;
      --brand:#d81f26;
      --brand-2:#ff5a4f;
      --gold:#d79b2b;
      --shadow:0 18px 40px rgba(166,46,32,.12);
      --radius:22px;
      --radius-sm:16px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top, #fffaf8 0%, #fff2ee 38%, #fff8f6 100%);color:var(--text)}
    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:40;background:rgba(255,248,246,.82);backdrop-filter:blur(12px);border-bottom:1px solid rgba(240,215,210,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .ai-page-logo{width:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;box-shadow:0 8px 24px rgba(216,31,38,.12);padding:5px}
    .brand strong{display:block;font-size:18px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:flex-end}
    .nav-links a{padding:9px 12px;border-radius:999px;color:#4c3532;font-size:14px;transition:.2s ease;background:transparent}
    .nav-links a:hover,.nav-links a.active{background:#ffe3de;color:var(--brand)}
    .nav-cta{display:flex;align-items:center;gap:10px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.22s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 30px rgba(216,31,38,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(216,31,38,.28)}
    .btn-ghost{background:#fff;color:var(--brand);border:1px solid #f0c9c2}
    .btn-ghost:hover{transform:translateY(-2px);border-color:var(--brand)}
    .menu-btn{display:none;background:#fff;border:1px solid #f0c9c2;border-radius:12px;padding:10px}
    .hero{position:relative;overflow:hidden;padding:42px 0 28px}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(10px);pointer-events:none}
    .hero::before{width:340px;height:340px;background:rgba(216,31,38,.10);top:-110px;right:-90px}
    .hero::after{width:220px;height:220px;background:rgba(215,155,43,.12);left:-60px;bottom:20px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card,.glass-card,.section-card{background:linear-gradient(180deg,rgba(255,255,255,.94),rgba(255,248,246,.95));border:1px solid rgba(240,215,210,.95);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:28px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:#ffe5df;color:var(--brand);font-size:13px;font-weight:700}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.06;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:18px}
    .point{padding:14px 15px;border-radius:18px;background:#fff;border:1px solid #f2ddd7}
    .point b{display:block;font-size:16px;margin-bottom:4px}
    .point span{color:var(--muted);font-size:13px;line-height:1.6}
    .hero-side{display:grid;gap:16px}
    .hero-stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .stat{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#fff6f4);border:1px solid #f1d8d2}
    .stat strong{display:block;font-size:28px;line-height:1;color:var(--brand)}
    .stat span{display:block;margin-top:8px;font-size:13px;color:var(--muted)}
    .section{padding:18px 0}
    .section-card{padding:26px}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:clamp(24px,3vw,34px);line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:720px;line-height:1.75}
    .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:#fff;border:1px solid #f3ddd8;border-radius:20px;padding:18px;transition:.22s ease;box-shadow:0 8px 20px rgba(145,64,52,.06)}
    .card:hover{transform:translateY(-4px);box-shadow:0 14px 30px rgba(145,64,52,.12)}
    .card h3{margin:0 0 8px;font-size:18px}
    .card p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff4f2;border:1px solid #f3ddd8;color:#623a34;font-size:13px}
    .timeline{display:grid;gap:14px}
    .step{display:grid;grid-template-columns:56px 1fr;gap:14px;align-items:start;padding:18px;border-radius:20px;background:#fff;border:1px solid #f2ddd7}
    .step-num{width:56px;height:56px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;font-weight:800;font-size:18px}
    .step h3{margin:0 0 8px}
    .step p{margin:0;color:var(--muted);line-height:1.75}
    .table-wrap{overflow:auto;border:1px solid #f3ddd8;border-radius:20px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;border-bottom:1px solid #f6e6e2;text-align:left;vertical-align:top}
    th{background:#fff5f2;color:#402825;font-size:14px}
    td{color:#513833;line-height:1.7}
    .check{color:#0f8a4c;font-weight:700}
    .bad{color:#c23a2b;font-weight:700}
    .price-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .price-card{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#fff4f1);border:1px solid #f1d8d2}
    .price-card .amount{font-size:30px;font-weight:900;color:var(--brand);margin:8px 0}
    .faq-item{border:1px solid #f2ddd7;border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;text-align:left;padding:16px 18px;border:0;background:transparent;display:flex;justify-content:space-between;align-items:center;font-size:16px;font-weight:700;color:#392420;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px}
    .faq-item.open .faq-a{max-height:220px;padding-bottom:16px}
    .faq-a p{margin:0;color:var(--muted);line-height:1.75}
    .testimonials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{position:relative;padding-top:30px}
    .quote::before{content:"“";position:absolute;top:0;left:0;font-size:54px;color:#f0b1a8;line-height:1}
    .quote strong{display:block;margin-bottom:10px}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article a{display:block;color:var(--brand);margin-top:10px;font-weight:700}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700;color:#402825}
    input,select,textarea{width:100%;border:1px solid #e8cfc8;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s ease}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(216,31,38,.08)}
    .footer{margin-top:12px;padding:22px 0 28px;background:#fff1ee;border-top:1px solid #efd8d2;color:#4a322e}
    .footer a{color:#9d251f}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:18px}
    .footer small{color:#6f5b57;line-height:1.7}
    .link-list{display:flex;flex-wrap:wrap;gap:10px}
    .mini-link{padding:8px 11px;border-radius:999px;background:#fff;border:1px solid #f0d7d2;color:#6f3f37}
    .float-tools{position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px}
    .float-tools a,.float-tools button{width:48px;height:48px;border-radius:16px;border:0;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;box-shadow:0 12px 24px rgba(216,31,38,.25);cursor:pointer}
    .float-tools .secondary{background:#fff;color:var(--brand);border:1px solid #f0c9c2}
    .mobile-toggle{display:none}
    .two-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .image-card{padding:14px;background:#fff;border:1px solid #f2ddd7;border-radius:20px}
    .image-card img{border-radius:14px;width:100%;height:auto}
    .center-note{padding:16px 18px;border-radius:18px;background:linear-gradient(135deg,#fff5f2,#fff);border:1px solid #f1d8d2;color:#5c3b35;line-height:1.7}
    .scroll-reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-reveal.show{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.testimonials,.articles,.footer-grid,.price-grid{grid-template-columns:1fr}
      .hero-stat-grid,.grid-2,.two-images{grid-template-columns:1fr}
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid #f0d7d2;border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .nav{position:relative}
      .menu-btn{display:inline-flex;align-items:center;justify-content:center}
      .hero{padding-top:22px}
      .hero-card{padding:22px}
      .mobile-toggle{display:block}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max),calc(100% - 22px))}
      .form{grid-template-columns:1fr}
      h1{font-size:28px}
      .section-card{padding:18px}
      .hero-points{grid-template-columns:1fr}
      .nav-cta .btn-ghost{display:none}
    }