:root{
      --bg:#fffdf6;
      --panel:#ffffff;
      --panel-2:#fff7d6;
      --brand:#f5b400;
      --brand-2:#ffcc33;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#ece2b2;
      --shadow:0 14px 40px rgba(31,41,55,.08);
      --shadow-soft:0 10px 24px rgba(31,41,55,.06);
      --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;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(245,180,0,.14), transparent 26%),
        radial-gradient(circle at top right, rgba(255,204,51,.12), transparent 24%),
        linear-gradient(180deg, #fffef9 0%, #fff9e8 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px, var(--container)); margin:0 auto}
    header{
      position:sticky; top:0; z-index:40;
      backdrop-filter:blur(14px);
      background:rgba(255,253,246,.84);
      border-bottom:1px solid rgba(236,226,178,.8);
    }
    .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:44px; height:44px; object-fit:contain}
    .brand strong{display:block; font-size:1.02rem}
    .brand span{display:block; font-size:.84rem; color:var(--muted)}
    .nav-toggle{display:none; border:1px solid var(--line); background:#fff; color:var(--text); border-radius:12px; padding:10px 12px}
    .nav-links{display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:flex-end}
    .nav-links a{font-size:.95rem; color:#374151}
    .nav-links a:hover{color:#000}
    .cta{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      background:linear-gradient(135deg, var(--brand), var(--brand-2));
      color:#1b1b1b; border:none; border-radius:999px; padding:12px 18px;
      font-weight:700; box-shadow:0 10px 24px rgba(245,180,0,.25);
    }
    .hero{padding:42px 0 24px}
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:24px; align-items:stretch;
    }
    .hero-main,.hero-side,.card,.panel,.faq-item,.review,.article,.quote,.form-card,.metric,.compare, .table-wrap{
      background:var(--panel); border:1px solid rgba(236,226,178,.9); border-radius:var(--radius); box-shadow:var(--shadow-soft)
    }
    .hero-main{
      padding:34px; position:relative; overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,247,214,.95)),
        radial-gradient(circle at 86% 16%, rgba(245,180,0,.16), transparent 20%);
    }
    .hero-main::after{
      content:""; position:absolute; inset:auto -120px -100px auto; width:280px; height:280px; border-radius:50%;
      background:radial-gradient(circle, rgba(245,180,0,.18), transparent 68%);
      pointer-events:none;
    }
    .eyebrow{display:inline-flex; gap:8px; align-items:center; padding:8px 12px; border-radius:999px; background:#fff7ce; border:1px solid var(--line); color:#8a5d00; font-size:.9rem; font-weight:600}
    h1{font-size:clamp(2rem, 4vw, 3.6rem); line-height:1.08; margin:16px 0 14px}
    .lead{font-size:1.05rem; line-height:1.85; color:var(--muted); max-width:62ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
    .ghost{
      display:inline-flex; align-items:center; justify-content:center;
      padding:12px 18px; border-radius:999px; border:1px solid var(--line); background:#fff; color:var(--text); font-weight:700;
    }
    .hero-points{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:12px; margin-top:24px}
    .mini{
      padding:14px 16px; border-radius:16px; background:rgba(255,255,255,.76); border:1px solid rgba(236,226,178,.9)
    }
    .mini strong{display:block; font-size:1.05rem}
    .mini span{display:block; margin-top:6px; font-size:.92rem; color:var(--muted); line-height:1.5}
    .hero-side{padding:18px; display:flex; flex-direction:column; gap:14px}
    .side-top{display:grid; grid-template-columns:1fr 1fr; gap:12px}
    .metric{padding:18px; background:linear-gradient(180deg,#fff,#fffaf0)}
    .metric .num{font-size:1.55rem; font-weight:800; color:#8a5d00}
    .metric .txt{font-size:.92rem; color:var(--muted); margin-top:6px; line-height:1.5}
    section{padding:18px 0}
    .section-head{display:flex; align-items:end; justify-content:space-between; gap:16px; margin-bottom:16px}
    .section-head h2{font-size:1.6rem; margin:0}
    .section-head p{margin:0; color:var(--muted); line-height:1.6}
    .grid-3{display:grid; grid-template-columns:repeat(3,minmax(0,1fr)); gap:16px}
    .grid-4{display:grid; grid-template-columns:repeat(4,minmax(0,1fr)); gap:16px}
    .card,.panel,.review,.article,.quote,.form-card,.compare{padding:20px}
    .card h3,.panel h3,.review h3,.article h3,.quote h3,.form-card h3,.compare h3{margin:0 0 10px; font-size:1.08rem}
    .card p,.panel p,.review p,.article p,.quote p,.form-card p,.compare p{margin:0; color:var(--muted); line-height:1.75}
    .chip-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .chip{padding:10px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#5a4a12; font-size:.92rem}
    .timeline{display:grid; gap:12px}
    .step{display:flex; gap:14px; align-items:flex-start; padding:16px; border-radius:16px; background:#fffdf7; border:1px solid var(--line)}
    .step b{min-width:36px; height:36px; display:grid; place-items:center; border-radius:12px; background:#fff0a8; color:#8a5d00}
    .step span{display:block; color:var(--muted); margin-top:4px; line-height:1.6}
    .table-wrap{overflow:auto}
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:14px 12px; border-bottom:1px solid var(--line); text-align:left; vertical-align:top}
    th{background:#fff8d9; color:#6b4b00; font-size:.95rem}
    td{color:#374151; line-height:1.7}
    details{border:1px solid var(--line); border-radius:16px; background:#fff; overflow:hidden}
    details+details{margin-top:12px}
    summary{cursor:pointer; list-style:none; padding:16px 18px; font-weight:700}
    summary::-webkit-details-marker{display:none}
    details p{padding:0 18px 16px; margin:0; color:var(--muted); line-height:1.75}
    .reviews .grid-3,.articles .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
    .quote{border-left:5px solid var(--brand)}
    .review .role{display:inline-block; margin-bottom:10px; color:#8a5d00; font-weight:700; font-size:.92rem}
    .article time{display:block; margin-top:10px; color:#8b8b8b; font-size:.88rem}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:14px}
    .field{display:flex; flex-direction:column; gap:8px}
    input,select,textarea{
      width:100%; padding:13px 14px; border-radius:14px; border:1px solid #dfd4a6; background:#fff; color:var(--text); font:inherit;
      outline:none;
    }
    textarea{min-height:130px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#f0b100; box-shadow:0 0 0 3px rgba(245,180,0,.14)}
    .form-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:14px}
    .footer{
      margin-top:20px; padding:26px 0 30px; border-top:1px solid rgba(236,226,178,.9);
      background:linear-gradient(180deg, rgba(255,250,227,.88), rgba(255,247,214,.98));
      color:#2f3640
    }
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:18px}
    .footer a{color:#7a5400}
    .footer small{color:#5d6472}
    .float{
      position:fixed; right:16px; bottom:16px; z-index:50; display:flex; flex-direction:column; gap:10px;
    }
    .float a,.float button{
      width:50px; height:50px; border-radius:16px; display:grid; place-items:center; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow-soft); cursor:pointer;
    }
    .backtop{display:none}
    .fade-in{opacity:0; transform:translateY(16px); transition:opacity .7s ease, transform .7s ease}
    .fade-in.show{opacity:1; transform:translateY(0)}
    .nav-panel{display:none}
    .gallery{display:grid; grid-template-columns:repeat(2,minmax(0,1fr)); gap:14px}
    .gallery img{border-radius:18px; border:1px solid var(--line); background:#fff; width:100%; aspect-ratio:16/10; object-fit:cover}
    .stack{display:grid; gap:14px}
    .note{padding:14px 16px; background:#fff8d9; border:1px solid var(--line); border-radius:16px; color:#6b4b00; line-height:1.7}
    @media (max-width: 960px){
      .hero-grid,.grid-3,.grid-4,.footer-grid{grid-template-columns:1fr}
      .reviews .grid-3,.articles .grid-3{grid-template-columns:1fr}
      .nav-toggle{display:inline-flex}
      .nav-links{display:none}
      .nav-panel{display:none; padding:0 0 14px}
      .nav-panel.open{display:block}
      .nav-panel .nav-links{display:grid; gap:10px; justify-content:stretch}
      .nav-panel .nav-links a,.nav-panel .cta{width:100%}
      .hero-points,.side-top,.form-grid,.gallery{grid-template-columns:1fr}
      .hero-main{padding:24px}
    }