:root{
      --bg:#fff9e6;
      --bg2:#fffdf4;
      --card:#ffffff;
      --line:#eadfb3;
      --text:#1f2937;
      --muted:#596273;
      --brand:#f5b700;
      --brand2:#ffcf33;
      --accent:#ffb703;
      --shadow:0 16px 40px rgba(118, 90, 0, .10);
      --shadow2:0 10px 24px rgba(118, 90, 0, .08);
      --radius:20px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:-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, 217, 72, .26), transparent 28%),
        radial-gradient(circle at top right, rgba(255, 205, 66, .20), transparent 24%),
        linear-gradient(180deg, #fffef9 0%, #fff9e7 38%, #fffdf7 100%);
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .topbar{
      position:sticky; top:0; z-index:60;
      backdrop-filter: blur(14px);
      background:rgba(255, 251, 235, .82);
      border-bottom:1px solid rgba(234,223,179,.75);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:76px;
    }
    .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);padding:4px;box-shadow:var(--shadow2)}
    .brand h2{margin:0;font-size:18px;line-height:1.2}
    .brand p{margin:2px 0 0;color:var(--muted);font-size:12px}
    .menu{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .menu a{font-size:14px;color:#374151;padding:8px 10px;border-radius:999px;transition:.2s}
    .menu a:hover,.menu a.active{background:rgba(245,183,0,.12); color:#111827}
    .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; font-size:14px;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease, border-color .2s ease;
      cursor:pointer;
    }
    .btn:hover{transform:translateY(-1px); box-shadow:var(--shadow2)}
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%, var(--brand2) 100%); color:#1d1a00; border-color:rgba(145,110,0,.15)}
    .btn-ghost{background:#fff; color:#1f2937; border-color:var(--line)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px}
    .hero{
      position:relative;
      padding:34px 0 28px;
      overflow:hidden;
    }
    .hero::before{
      content:"";
      position:absolute; inset:0;
      background:
        linear-gradient(135deg, rgba(255, 214, 61, .18), transparent 40%),
        linear-gradient(315deg, rgba(255, 188, 0, .12), transparent 38%);
      pointer-events:none;
    }
    .hero-grid{
      position:relative;
      display:grid;
      grid-template-columns:1.25fr .75fr;
      gap:22px;
      align-items:stretch;
    }
    .hero-card,.panel,.section-card,.quote-card,.faq-item,.form-card,.price-card,.case-card,.article-card,.review-card,.compare-card{
      background:rgba(255,255,255,.88);
      border:1px solid rgba(234,223,179,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:34px}
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px;
      padding:8px 12px; border-radius:999px;
      background:rgba(245,183,0,.12);
      color:#8a6200; font-weight:700; font-size:13px; margin-bottom:16px
    }
    h1{margin:0 0 14px; font-size:clamp(32px, 5vw, 54px); line-height:1.08; letter-spacing:-.02em}
    .lead{margin:0; color:#425166; font-size:16px; max-width:62ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin:24px 0 22px}
    .hero-points{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:18px}
    .point{
      padding:14px; border-radius:16px; background:#fff; border:1px solid var(--line)
    }
    .point strong{display:block; font-size:18px}
    .point span{color:var(--muted); font-size:13px}
    .hero-side{
      display:grid; gap:14px;
    }
    .panel{padding:20px}
    .panel h3,.section-title h2{margin:0 0 10px; font-size:24px; line-height:1.2}
    .panel p,.section-title p{margin:0; color:var(--muted)}
    .logo-row{display:flex; gap:12px; align-items:center; margin-top:14px}
    .logo-row img{width:62px;height:62px;border-radius:18px;border:1px solid var(--line);background:#fff;padding:6px;object-fit:contain}
    .metric-grid,.service-grid,.review-grid,.article-grid,.case-grid,.pricing-grid,.compare-grid,.network-grid,.tag-cloud{
      display:grid; gap:14px;
    }
    .metric-grid{grid-template-columns:repeat(4,1fr)}
    .metric{
      padding:18px; border-radius:18px; background:linear-gradient(180deg,#fff, #fff8da);
      border:1px solid var(--line)
    }
    .metric strong{display:block;font-size:24px}
    .metric span{color:var(--muted);font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex; align-items:flex-end; justify-content:space-between; gap:18px; margin-bottom:16px}
    .section-title h2{font-size:30px}
    .section-card{padding:22px}
    .service-grid{grid-template-columns:repeat(3,1fr)}
    .service-card{
      padding:22px; border-radius:18px; background:#fff;
      border:1px solid var(--line); transition:transform .2s ease, box-shadow .2s ease
    }
    .service-card:hover{transform:translateY(-3px); box-shadow:var(--shadow)}
    .service-card h3{margin:0 0 8px; font-size:18px}
    .service-card p{margin:0 0 12px; color:var(--muted)}
    .tag-cloud{grid-template-columns:repeat(5,1fr)}
    .tag{
      padding:14px 12px; border-radius:16px; border:1px solid var(--line);
      background:#fff; color:#324055; font-size:14px; text-align:center
    }
    .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{
      padding:20px; border-radius:18px; background:#fff; border:1px solid var(--line)
    }
    .step em{
      display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center;
      border-radius:12px; background:rgba(245,183,0,.14); color:#8a6200; font-style:normal; font-weight:800; margin-bottom:12px
    }
    .step h3{margin:0 0 8px; font-size:18px}
    .step p{margin:0; color:var(--muted)}
    .compare-wrap{overflow-x:auto}
    table{width:100%; border-collapse:separate; border-spacing:0; min-width:860px}
    th,td{padding:14px 12px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top}
    th{background:#fff9e6; color:#1f2937; font-size:14px}
    td{background:#fff}
    .rating{font-size:18px; color:#c68a00; font-weight:800}
    .table-note{margin-top:12px; color:var(--muted); font-size:13px}
    .pricing-grid{grid-template-columns:repeat(3,1fr)}
    .price-card{padding:22px}
    .price-card .label{display:inline-block;padding:6px 10px;border-radius:999px;background:rgba(245,183,0,.12);color:#8a6200;font-size:12px;font-weight:700}
    .price-card h3{margin:14px 0 8px}
    .price{font-size:34px; font-weight:900; line-height:1}
    .price small{font-size:14px; color:var(--muted); font-weight:600}
    .price-list{margin:14px 0 0; padding:0; list-style:none}
    .price-list li{padding:8px 0; border-top:1px dashed rgba(234,223,179,.85); color:#3d4a5b}
    .network-grid{grid-template-columns:1fr 1fr}
    .map-card,.contact-card,.faq-card,.about-card,.quote-card,.form-card{padding:22px}
    .mini-list{display:grid; gap:10px; margin:0; padding:0; list-style:none}
    .mini-list li{display:flex; gap:10px; align-items:flex-start; color:#334155}
    .mini-list i{width:22px;height:22px;border-radius:50%;background:rgba(245,183,0,.16);display:inline-block;flex:none;margin-top:3px}
    .case-grid{grid-template-columns:repeat(3,1fr)}
    .case-card{padding:18px}
    .case-card h3{margin:10px 0 8px}
    .case-card p{margin:0;color:var(--muted)}
    .review-grid{grid-template-columns:repeat(3,1fr)}
    .review-card{padding:20px}
    .review-card .who{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:12px}
    .stars{color:#f4b400;letter-spacing:1px}
    .article-grid{grid-template-columns:repeat(3,1fr)}
    .article-card{padding:18px}
    .article-card .meta{color:var(--muted);font-size:13px;margin-bottom:6px}
    .faq-list{display:grid; gap:12px}
    .faq-item{overflow:hidden}
    .faq-q{
      width:100%; background:none; border:0; padding:18px 20px; text-align:left;
      display:flex; align-items:center; justify-content:space-between; gap:12px;
      font-size:16px; font-weight:700; color:#1f2937; cursor:pointer
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .28s ease}
    .faq-a > div{padding:0 20px 18px; color:var(--muted)}
    .faq-item.active .faq-a{max-height:220px}
    .faq-item.active .chev{transform:rotate(180deg)}
    .chev{transition:transform .2s ease}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .field{display:flex; flex-direction:column; gap:8px}
    label{font-size:14px; font-weight:700; color:#314058}
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; padding:13px 14px;
      font:inherit; background:#fff; color:var(--text); outline:none
    }
    textarea{min-height:126px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#d9a500; box-shadow:0 0 0 4px rgba(245,183,0,.12)}
    .full{grid-column:1/-1}
    .footer{
      margin-top:18px;
      padding:26px 0 20px;
      border-top:1px solid rgba(234,223,179,.9);
      background:linear-gradient(180deg, rgba(255,252,240,.96), rgba(255,248,223,.98));
      color:#1f2937;
    }
    .footer-grid{display:grid; grid-template-columns:1.3fr 1fr 1fr; gap:18px}
    .footer a{color:#274060}
    .footer small{color:#5b6473}
    .footer-links{display:grid; gap:8px}
    .footer-contact{display:grid; gap:8px}
    .floating{
      position:fixed; right:18px; bottom:18px; z-index:80;
      display:grid; gap:10px;
    }
    .float-btn{
      display:inline-flex; align-items:center; justify-content:center;
      width:52px; height:52px; border-radius:50%;
      background:linear-gradient(135deg,var(--brand),var(--brand2));
      color:#1d1a00; border:1px solid rgba(145,110,0,.12);
      box-shadow:var(--shadow); font-weight:900
    }
    .top-btn{background:#fff}
    .mobile-menu{display:none}
    .section-grid-2{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .pill-row{display:flex; flex-wrap:wrap; gap:10px; margin-top:14px}
    .pill{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#334155; font-size:13px}
    .timeline{display:grid; gap:12px}
    .timeline-item{display:grid; grid-template-columns:46px 1fr; gap:12px; align-items:flex-start; padding:16px; background:#fff; border:1px solid var(--line); border-radius:16px}
    .timeline-item strong{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:rgba(245,183,0,.14);color:#8a6200}
    .muted{color:var(--muted)}
    .reveal{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease}
    .reveal.show{opacity:1; transform:none}
    .home-link{font-weight:800}
    @media (max-width: 1080px){
      .hero-grid,.section-grid-2,.footer-grid,.network-grid,.pricing-grid,.case-grid,.review-grid,.article-grid,.metric-grid,.service-grid,.steps,.tag-cloud{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .menu,.nav-actions .btn-ghost{display:none}
      .mobile-toggle{display:inline-flex}
      .mobile-menu{
        display:none; padding:0 0 16px;
      }
      .mobile-menu.open{display:block}
      .mobile-menu .menu{display:grid; grid-template-columns:1fr 1fr; gap:8px; justify-content:stretch}
      .mobile-menu .menu a{background:#fff;border:1px solid var(--line);text-align:center}
      .hero-grid,.section-grid-2,.footer-grid,.network-grid,.pricing-grid,.case-grid,.review-grid,.article-grid,.metric-grid,.service-grid,.steps,.tag-cloud,.form-grid{grid-template-columns:1fr}
      .hero-card,.panel,.section-card,.quote-card,.faq-item,.form-card,.price-card,.case-card,.article-card,.review-card,.compare-card{border-radius:18px}
      .hero-card{padding:24px}
      .section-title h2{font-size:24px}
      h1{font-size:30px}
      .nav{min-height:68px}
      table{min-width:760px}
    }