:root{
      --bg:#fff8f1;
      --surface:#ffffff;
      --surface-2:#fff2e6;
      --line:#f0d4bf;
      --text:#1f2430;
      --muted:#5d667a;
      --brand:#ff6a00;
      --brand-2:#ff8f1f;
      --brand-3:#ffb14d;
      --shadow:0 18px 50px rgba(127, 66, 12, .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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,106,0,.12), transparent 30%),
        radial-gradient(circle at right 12%, rgba(255,177,77,.16), transparent 24%),
        linear-gradient(180deg, #fffaf5 0%, #fff8f1 36%, #fffdfb 100%);
    }
    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(180%) blur(14px);
      background:rgba(255,248,241,.84);
      border-bottom:1px solid rgba(240,212,191,.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 img{width:42px;height:42px;object-fit:contain}
    .brand strong{font-size:18px;letter-spacing:.4px}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:2px}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:14px}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.22s}
    .nav-links a:hover,.nav-links a.active{background:rgba(255,106,0,.1);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:1px solid transparent;border-radius:999px;padding:11px 16px;
      font-weight:700;transition:.22s;cursor:pointer;line-height:1;
      box-shadow:none;white-space:nowrap
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;box-shadow:0 12px 26px rgba(255,106,0,.22)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(255,106,0,.28)}
    .btn-ghost{background:#fff;color:var(--text);border-color:var(--line)}
    .btn-ghost:hover{border-color:rgba(255,106,0,.35);color:var(--brand);transform:translateY(-1px)}
    .menu-toggle{display:none}
    main{padding-bottom:12px}
    section{padding:72px 0}
    .hero{
      padding:40px 0 58px;
      position:relative;
      overflow:hidden;
    }
    .hero::before{
      content:"";position:absolute;inset:0;
      background:
        linear-gradient(135deg, rgba(255,106,0,.08), transparent 38%),
        linear-gradient(225deg, rgba(255,177,77,.12), transparent 42%);
      pointer-events:none;
    }
    .hero-grid{position:relative;display:grid;grid-template-columns:1.18fr .82fr;gap:26px;align-items:stretch}
    .hero-copy,.hero-panel,.card,.info-card,.step,.quote,.faq-item,.form-card,.table-wrap,.article-card,.network-card,.compare-card{
      background:rgba(255,255,255,.86);border:1px solid rgba(240,212,191,.8);border-radius:var(--radius);box-shadow:var(--shadow)
    }
    .hero-copy{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:13px;background:rgba(255,106,0,.08);padding:8px 12px;border-radius:999px}
    h1{margin:18px 0 14px;font-size:clamp(32px,5vw,54px);line-height:1.06;letter-spacing:-.02em}
    .lead{font-size:17px;line-height:1.8;color:var(--muted);max-width:46em;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .mini-tags span{padding:8px 12px;border-radius:999px;background:#fff3e7;border:1px solid #ffd8ba;color:#8d4c00;font-size:13px}
    .hero-panel{padding:26px;display:grid;gap:16px;align-content:start}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .metric{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff, #fff8f1);border:1px solid var(--line)}
    .metric strong{display:block;font-size:28px;color:var(--brand)}
    .metric span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
    .section-title{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:22px}
    .section-title h2{margin:0;font-size:clamp(24px,3.2vw,36px)}
    .section-title p{margin:0;color:var(--muted);max-width:52em;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px}
    .card,.info-card,.step,.quote,.article-card,.network-card,.compare-card{padding:22px}
    .card h3,.info-card h3,.step h3,.quote h3,.article-card h3,.network-card h3,.compare-card h3{margin:10px 0 10px;font-size:18px}
    .card p,.info-card p,.step p,.quote p,.article-card p,.network-card p,.compare-card p{margin:0;color:var(--muted);line-height:1.75}
    .icon{
      width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg,rgba(255,106,0,.14),rgba(255,177,77,.22));
      color:var(--brand);font-size:20px;font-weight:800
    }
    .section-soft{background:linear-gradient(180deg,rgba(255,242,230,.55),rgba(255,248,241,.18))}
    .timeline{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:14px}
    .step{position:relative;overflow:hidden}
    .step .num{font-size:12px;font-weight:800;color:var(--brand);letter-spacing:.12em}
    .step::after{
      content:"";position:absolute;right:12px;top:12px;width:42px;height:42px;border-radius:50%;
      background:radial-gradient(circle,rgba(255,106,0,.12),transparent 70%);
    }
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;text-align:left;border-bottom:1px solid #f1dccb;vertical-align:top}
    th{background:#fff6ef;color:#7a3d00;font-size:14px}
    td{color:var(--muted);line-height:1.7}
    .badge{display:inline-flex;align-items:center;padding:6px 10px;border-radius:999px;font-size:12px;font-weight:700;background:#fff3e6;color:#a34e00}
    .rating{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
    .stars{color:#ff9b19;font-size:18px;letter-spacing:2px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:18px;align-items:start}
    .list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .list li{display:flex;gap:10px;align-items:flex-start;color:var(--text);line-height:1.65}
    .list li::before{content:"";width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-3));margin-top:8px;flex:0 0 10px}
    .pill-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .pill-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#6f3d00;font-size:13px}
    .gallery{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .gallery figure{margin:0;overflow:hidden;border-radius:20px;border:1px solid rgba(240,212,191,.8);background:#fff;box-shadow:var(--shadow)}
    .gallery figcaption{padding:14px 16px;color:var(--muted);font-size:14px;line-height:1.6}
    .gallery img{width:100%;aspect-ratio:16/10;object-fit:cover}
    .article-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .article-card small{color:var(--brand);font-weight:700}
    .quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
    .quote{position:relative}
    .quote .who{margin-top:16px;font-weight:700}
    .quote .role{color:var(--muted);font-size:13px;margin-top:4px}
    .faq{display:grid;gap:14px}
    .faq-item summary{
      list-style:none;cursor:pointer;padding:20px 22px;font-weight:700;display:flex;align-items:center;justify-content:space-between;gap:16px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"+";font-size:22px;color:var(--brand);line-height:1}
    .faq-item[open] summary::after{content:"−"}
    .faq-item .answer{padding:0 22px 20px;color:var(--muted);line-height:1.75}
    .form-card{padding:24px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:grid;gap:8px}
    .field label{font-size:14px;font-weight:700;color:var(--text)}
    .field input,.field select,.field textarea{
      width:100%;border-radius:14px;border:1px solid #e8d3c2;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:.2s
    }
    .field textarea{min-height:120px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:rgba(255,106,0,.55);box-shadow:0 0 0 4px rgba(255,106,0,.08)}
    .form-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:14px}
    .contact-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .contact-card{padding:22px}
    .contact-card .contact-row{display:grid;gap:10px;margin-top:14px}
    .contact-row div{padding:12px 14px;border:1px solid var(--line);border-radius:14px;background:#fff}
    footer{border-top:1px solid rgba(240,212,191,.85);background:#fff8f1;color:#1f2430;padding:34px 0 28px;margin-top:10px}
    footer a{color:#b24a00}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer-grid h3{margin:0 0 12px;font-size:17px}
    .footer-grid p,.footer-grid li{color:#5d667a;line-height:1.8}
    .footer-grid ul{margin:0;padding:0;list-style:none;display:grid;gap:8px}
    .bottom{margin-top:18px;padding-top:16px;border-top:1px solid #f0d4bf;color:#6b7280;font-size:13px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:60;display:grid;gap:10px
    }
    .floating a,.floating button{
      width:52px;height:52px;border:none;border-radius:16px;background:linear-gradient(135deg,var(--brand),var(--brand-2));color:#fff;
      box-shadow:0 16px 30px rgba(255,106,0,.26);cursor:pointer;display:grid;place-items:center;font-weight:800
    }
    .floating a:hover,.floating button:hover{transform:translateY(-2px)}
    .floating .small{width:auto;padding:0 14px;justify-content:flex-start;gap:8px}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .topline{display:flex;gap:12px;align-items:center;flex-wrap:wrap;margin-top:12px;color:var(--muted)}
    .topline strong{color:var(--text)}
    .home-link{font-weight:800;color:var(--brand)}
    @media (max-width: 1024px){
      .hero-grid,.split,.contact-strip,.footer-grid,.grid-4,.grid-3,.quote-grid,.article-list,.gallery,.timeline{grid-template-columns:1fr 1fr}
      .timeline{grid-template-columns:1fr 1fr 1fr}
    }
    @media (max-width: 768px){
      .nav{padding:12px 0}
      .menu-toggle{display:inline-flex}
      .nav-links{
        display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;
        background:rgba(255,255,255,.98);border:1px solid var(--line);border-radius:20px;padding:10px;box-shadow:var(--shadow)
      }
      .nav-links.open{display:flex}
      .nav-links a{padding:12px 14px;border-radius:14px}
      .hero-grid,.split,.contact-strip,.footer-grid,.grid-4,.grid-3,.quote-grid,.article-list,.gallery,.timeline,.metric-grid,.form-grid{grid-template-columns:1fr}
      .hero-copy,.hero-panel,.card,.info-card,.step,.quote,.article-card,.network-card,.compare-card,.form-card,.contact-card{padding:20px}
      .section{padding:58px 0}
      .hero{padding-top:24px}
      h1{font-size:clamp(30px,9vw,42px)}
      .lead{font-size:16px}
      .section-title{align-items:start;flex-direction:column}
      .floating{right:12px;bottom:12px}
    }