:root{
      --bg:#fff7f4;
      --bg2:#fffdfb;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#6b7280;
      --line:#f1d1cb;
      --brand:#cf2b1f;
      --brand2:#ff6a3d;
      --brand3:#ff9b3d;
      --shadow:0 12px 34px rgba(207,43,31,.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","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,106,61,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(207,43,31,.08), transparent 24%),
        linear-gradient(180deg, #fff8f5 0%, #fffdfc 45%, #fff7f4 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(12px);
      background:rgba(255,248,245,.82);
      border-bottom:1px solid rgba(241,209,203,.7);
    }
    .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:42px;height:42px;object-fit:contain;border-radius:10px;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.06);padding:4px}
    .brand strong{display:block;font-size:1.02rem;line-height:1.1}
    .brand span{display:block;font-size:.82rem;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px 14px;align-items:center}
    .nav-links a{font-size:.95rem;color:#4b5563;padding:8px 10px;border-radius:999px;transition:.22s ease}
    .nav-links a:hover{background:#ffe8e2;color:#b42318}
    .nav-cta{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;cursor:pointer;transition:.25s ease;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 10px 22px rgba(207,43,31,.18)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(207,43,31,.24)}
    .btn-soft{background:#fff;color:var(--brand);border-color:#f1c8c2}
    .btn-soft:hover{background:#fff2ee;transform:translateY(-1px)}
    .menu-btn{display:none;background:#fff;border:1px solid #f1c8c2;border-radius:12px;padding:10px 12px;color:#8a2c24}
    main{display:block}
    section{padding:68px 0}
    .hero{padding:42px 0 60px}
    .hero-wrap{
      display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:stretch
    }
    .hero-copy,.panel,.card,.quote,.faq-item,.price-box,.form-box,.table-box,.news-box{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(241,209,203,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px;position:relative;overflow:hidden}
    .hero-copy:before{
      content:"";position:absolute;inset:-80px -60px auto auto;width:240px;height:240px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,106,61,.20), rgba(255,106,61,0) 68%);
      pointer-events:none
    }
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:#b42318;background:#fff2ee;border:1px solid #ffd3c7;padding:8px 12px;border-radius:999px;font-size:.9rem;font-weight:700}
    h1{font-size:clamp(2rem, 4vw, 3.6rem);line-height:1.08;margin:18px 0 14px;letter-spacing:-.03em}
    .lead{font-size:1.05rem;line-height:1.8;color:#4b5563;margin:0 0 18px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:18px}
    .mini-stat{padding:14px 14px 13px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#fff7f5 100%);border:1px solid #f4d8d2}
    .mini-stat strong{display:block;font-size:1.12rem;color:#8a1f17}
    .mini-stat span{display:block;color:var(--muted);font-size:.88rem;margin-top:4px;line-height:1.4}
    .hero-panel{padding:24px;display:flex;flex-direction:column;gap:14px}
    .hero-panel .panel-top{display:flex;justify-content:space-between;gap:12px;align-items:flex-start}
    .badge{display:inline-flex;align-items:center;padding:7px 11px;border-radius:999px;background:#ffe9e3;color:#a61f14;font-size:.82rem;font-weight:700}
    .stack{display:grid;gap:12px}
    .layer{
      padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff,#fff7f4);
      border:1px solid #f4d8d2
    }
    .layer h3{margin:0 0 6px;font-size:1rem}
    .layer p{margin:0;color:var(--muted);line-height:1.65;font-size:.95rem}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-head h2{margin:0;font-size:clamp(1.5rem,2.6vw,2.3rem)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .card{padding:22px}
    .card h3{margin:10px 0 10px;font-size:1.08rem}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,#ffe8e2,#fff0ec);color:#b42318;font-size:1.1rem;font-weight:900
    }
    .chip-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid #f2d6d0;color:#5f2a22;font-size:.92rem}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
    .step{padding:20px 18px 18px;position:relative}
    .step-num{display:inline-flex;align-items:center;justify-content:center;width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800}
    .step h3{margin:12px 0 8px}
    .comparison{overflow:hidden}
    .table-wrap{overflow-x:auto;border-radius:18px}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:15px 14px;text-align:left;border-bottom:1px solid #f2dfda;vertical-align:top}
    th{background:#fff4f1;color:#8f241c;font-size:.95rem}
    td{color:#4b5563;line-height:1.7}
    .score{font-size:1.15rem;color:#8a1f17;font-weight:800}
    .rating{display:grid;grid-template-columns:1fr .9fr;gap:18px}
    .quote{padding:20px}
    .quote strong{display:block;margin-bottom:8px}
    .quote p{margin:0;color:var(--muted);line-height:1.75}
    .faq-list{display:grid;gap:12px}
    .faq-item{padding:0;overflow:hidden}
    .faq-q{
      width:100%;background:none;border:0;padding:18px 20px;display:flex;justify-content:space-between;align-items:center;
      font-size:1rem;font-weight:700;color:#1f2937;cursor:pointer;text-align:left
    }
    .faq-a{padding:0 20px 18px;color:var(--muted);line-height:1.8;display:none}
    .faq-item.open .faq-a{display:block}
    .faq-item.open .faq-q .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s ease;color:#b42318}
    .news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .news-box{padding:20px}
    .news-box time{display:block;color:#a14a3b;font-size:.88rem;margin-bottom:10px}
    .news-box a{display:block;font-weight:700;color:#1f2937;line-height:1.6}
    .news-box p{color:var(--muted);line-height:1.7;margin:10px 0 0}
    .form-box{padding:24px}
    form{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-weight:700;font-size:.95rem;color:#374151}
    input,select,textarea{
      width:100%;border:1px solid #efd7d1;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:#111827;outline:none
    }
    textarea{min-height:132px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ff8a68;box-shadow:0 0 0 4px rgba(255,138,104,.14)}
    .form-actions{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:12px;align-items:center}
    .small-note{color:var(--muted);font-size:.92rem;line-height:1.6}
    .footer-top{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;align-items:start}
    footer{
      padding:40px 0 24px;
      background:linear-gradient(180deg,#fff9f7 0%,#fff4f0 100%);
      border-top:1px solid #f1d1cb;
      color:#3f3f46
    }
    footer a{color:#7c241c}
    .footbox{padding:20px;border-radius:20px;background:#fff;border:1px solid #f1d1cb}
    .social{display:grid;gap:12px}
    .qrcode{width:154px;border-radius:16px;border:1px solid #f2d6d0;background:#fff;padding:8px}
    .floating{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:18px;display:grid;place-items:center;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 24px rgba(207,43,31,.22)
    }
    .float-btn:hover{transform:translateY(-2px)}
    .backtop{background:#fff;color:#b42318;border:1px solid #f1c8c2}
    .service-tabs{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .service-item{padding:18px;border:1px solid #f4d8d2;border-radius:18px;background:linear-gradient(180deg,#fff,#fff8f6)}
    .service-item h3{margin:0 0 8px}
    .timeline{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .timeline .card{position:relative}
    .timeline .card:before{
      content:"";position:absolute;left:22px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--brand)
    }
    .timeline .card{padding-top:34px}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .price-box{padding:20px}
    .price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .price-item{padding:18px;border-radius:18px;background:#fff7f4;border:1px solid #f4d8d2}
    .price-item strong{display:block;color:#8a1f17;font-size:1.1rem}
    .muted{color:var(--muted)}
    .case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
    .case-card{padding:20px}
    .case-card ul{margin:10px 0 0;padding-left:18px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:18px}
    .support-rail{display:grid;grid-template-columns:1fr .95fr;gap:18px}
    .mobile-only{display:none}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid #f2dfda;background:#fff}
    .article-item span{color:var(--muted)}
    @media (max-width: 1024px){
      .hero-wrap,.grid-3,.grid-4,.flow,.rating,.news-grid,.footer-top,.service-tabs,.timeline,.case-grid,.split,.support-rail,.price-grid{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
      .hero-points{grid-template-columns:1fr}
      form{grid-template-columns:1fr}
    }
    .nav-panel{
      display:none;margin:0 0 16px;padding:14px;border-radius:18px;background:#fff;border:1px solid #f1d1cb;box-shadow:var(--shadow)
    }
    .nav-panel.open{display:block}
    .nav-panel a{display:block;padding:10px 12px;border-radius:12px;color:#374151}
    .nav-panel a:hover{background:#fff2ee;color:#b42318}
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:translateY(0)}