:root{
      --bg:#fff7f2;
      --panel:#ffffff;
      --panel-2:#fff1ea;
      --text:#1f232b;
      --muted:#6b7280;
      --brand:#d8342a;
      --brand-2:#ff6b4a;
      --line:#f0ddd6;
      --shadow:0 18px 48px rgba(216,52,42,.10);
      --radius:20px;
      --container: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 left,#fff0ea 0,#fff7f2 38%,#fff 100%);color:var(--text);line-height:1.65}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:50;background:rgba(255,247,242,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(240,221,214,.9)}
    .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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px rgba(0,0,0,.05)}
    .brand .txt{min-width:0}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:14px;padding:10px 12px;color:var(--text)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#374151;padding:8px 0;position:relative}
    .nav-links a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand-2));transition:.25s}
    .nav-links a:hover::after{width:100%}
    .hero{padding:30px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.25fr .75fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.info-card,.review-card,.faq-item,.article-item,.compare-card,.form-card,.price-card,.timeline-card,.network-card,.case-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden;background:linear-gradient(180deg,#fff 0,#fff7f3 100%)}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:999px;background:radial-gradient(circle,rgba(216,52,42,.14),rgba(216,52,42,0) 68%);pointer-events:none}
    .hero-main::before{width:240px;height:240px;right:-90px;top:-70px}
    .hero-main::after{width:180px;height:180px;left:-60px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff1ee;color:#b42318;border:1px solid #ffd3c7;border-radius:999px;padding:7px 12px;font-size:13px;font-weight:600}
    h1{margin:16px 0 14px;font-size:clamp(30px,4vw,52px);line-height:1.1;letter-spacing:-.02em}
    .lead{margin:0;color:#374151;font-size:16px;max-width:62ch}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin:22px 0}
    .hero-points .chip{background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 14px 12px}
    .chip b{display:block;font-size:18px;color:var(--brand)}
    .chip span{display:block;font-size:13px;color:var(--muted)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:18px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;padding:12px 18px;font-weight:700;border:1px solid transparent;transition:.25s;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 14px 24px rgba(216,52,42,.18)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn:hover{transform:translateY(-2px)}
    .hero-side{padding:22px;background:linear-gradient(180deg,#fff7f4 0,#fff 100%)}
    .hero-side h2,.section-title h2{margin:0 0 10px;font-size:22px}
    .mini-list{display:grid;gap:12px;margin-top:14px}
    .mini-list .row{display:flex;justify-content:space-between;gap:14px;padding:12px 14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .mini-list .row span{color:var(--muted);font-size:13px}
    .mini-list .row strong{color:var(--text)}
    main{padding:10px 0 44px}
    section{padding:18px 0}
    .section-title{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-title p{margin:0;color:var(--muted);max-width:66ch}
    .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}
    .section-card,.info-card,.case-card,.compare-card,.review-card,.faq-item,.article-item,.form-card,.price-card,.timeline-card,.network-card{padding:20px}
    .info-card h3,.case-card h3,.compare-card h3,.review-card h3,.price-card h3,.timeline-card h3,.network-card h3{margin:0 0 8px;font-size:18px}
    .muted{color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#4b5563}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff7f3);border:1px solid var(--line)}
    .step .no{width:34px;height:34px;border-radius:50%;display:grid;place-items:center;background:#ffe7e2;color:#b42318;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border-radius:18px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:14px 16px;text-align:left;border-bottom:1px solid #f2e5df;font-size:14px;vertical-align:top}
    th{background:#fff6f3;color:#7c2d12}
    tr:hover td{background:#fffdfc}
    .rating{display:inline-flex;gap:3px;color:#e35a24}
    details{border-top:1px solid #f0e2db;padding-top:14px;margin-top:14px}
    details:first-child{border-top:none;padding-top:0;margin-top:0}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    .faq-item p{margin:10px 0 0;color:#4b5563}
    .reviews .review-card{display:flex;flex-direction:column;gap:10px}
    .review-top{display:flex;align-items:center;justify-content:space-between;gap:10px}
    .avatar{width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,#ffd7ce,#fff1ea);display:grid;place-items:center;color:#b42318;font-weight:800}
    .review-meta{display:flex;align-items:center;gap:10px}
    .review-card p{margin:0;color:#374151}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;align-items:center;gap:14px;transition:.25s}
    .article-item:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(216,52,42,.10)}
    .article-item b{display:block}
    .article-item span{display:block;color:var(--muted);font-size:13px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field label{font-size:14px;font-weight:700}
    .field input,.field select,.field textarea{width:100%;border:1px solid #e6d7d0;border-radius:14px;padding:12px 14px;font:inherit;background:#fff;color:var(--text);outline:none;transition:.2s}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#ff8a72;box-shadow:0 0 0 4px rgba(216,52,42,.08)}
    .field textarea{min-height:124px;resize:vertical}
    .submit-row{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:6px}
    .footer{margin-top:10px;padding:26px 0 28px;background:#fff7f2;border-top:1px solid var(--line);color:#374151}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .footer a{color:#7c2d12}
    .footer small{color:#6b7280}
    .contact-card{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:center}
    .contact-card img{width:120px;height:120px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:48px;height:48px;border:none;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;display:grid;place-items:center;box-shadow:0 16px 30px rgba(216,52,42,.24);cursor:pointer}
    .to-top{display:none}
    .sidebar-links{display:grid;gap:8px}
    .sidebar-links a{padding:10px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);color:#374151}
    .timeline{display:grid;gap:12px}
    .timeline .item{display:grid;grid-template-columns:22px 1fr;gap:12px;align-items:flex-start}
    .timeline .dot{width:10px;height:10px;border-radius:50%;margin-top:8px;background:var(--brand);box-shadow:0 0 0 6px rgba(216,52,42,.12)}
    .network{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .network div{padding:14px;border-radius:14px;background:#fff;border:1px solid var(--line)}
    .map-tags{display:flex;flex-wrap:wrap;gap:10px}
    .map-tags a{padding:9px 12px;border-radius:12px;background:#fff;border:1px solid var(--line);font-size:13px;color:#4b5563}
    .banner-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .banner-strip img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    .glass-note{padding:16px;border-radius:18px;background:linear-gradient(135deg,rgba(255,255,255,.9),rgba(255,241,234,.9));border:1px solid rgba(255,214,203,.9)}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.steps,.footer-grid,.network{grid-template-columns:1fr 1fr}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-flex}
      .nav-links{display:none;width:100%;padding:12px 0 4px}
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start;gap:10px}
      .nav{flex-wrap:wrap}
      .hero-grid,.grid-2,.grid-3,.steps,.form-grid,.footer-grid,.network,.banner-strip{grid-template-columns:1fr}
      .hero-main{padding:24px}
      .hero-points{grid-template-columns:1fr}
      .section-title{flex-direction:column;align-items:flex-start}
      .contact-card{grid-template-columns:1fr}
    }
    @media (prefers-reduced-motion: reduce){
      html{scroll-behavior:auto}
      *,*::before,*::after{animation:none!important;transition:none!important}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
    .reveal.show{opacity:1;transform:none}