:root{
      --bg:#fff9e8;
      --panel:#ffffff;
      --panel-2:#fff4bf;
      --line:#f0d87a;
      --text:#1f2937;
      --muted:#6b7280;
      --brand:#ffbf00;
      --brand-2:#ffda4d;
      --accent:#ff8f1f;
      --shadow:0 18px 40px rgba(119, 82, 0, .12);
      --radius:20px;
      --container:1180px;
    }
    *{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;background:linear-gradient(180deg,#fffbe9 0%,#fffdf6 22%,#ffffff 100%);color:var(--text);line-height:1.7}
    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:30;background:rgba(255,251,233,.92);backdrop-filter:blur(12px);border-bottom:1px solid rgba(240,216,122,.55)}
    .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;border-radius:12px;background:#fff7cf;padding:5px;border:1px solid #f1dd8a}
    .brand strong{display:block;font-size:18px;letter-spacing:.5px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#374151;padding:7px 10px;border-radius:999px;transition:.2s ease}
    .nav-links a:hover{background:#fff1aa;color:#111827}
    .nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:none;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.2s ease;box-shadow:0 10px 24px rgba(255,191,0,.22)}
    .nav-cta,.btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#ffcc24 55%,#ffd95c 100%);color:#1f2937}
    .btn-ghost{background:#fff;border:1px solid #f0d87a;color:#3f3f46;box-shadow:none}
    .menu-btn{display:none;background:#fff;border:1px solid #eed66e;border-radius:12px;padding:10px}
    .hero{position:relative;overflow:hidden;padding:56px 0 24px}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(2px);pointer-events:none}
    .hero::before{width:320px;height:320px;background:radial-gradient(circle,rgba(255,208,60,.28) 0%,rgba(255,208,60,0) 70%);top:-70px;right:-70px}
    .hero::after{width:260px;height:260px;background:radial-gradient(circle,rgba(255,159,58,.16) 0%,rgba(255,159,58,0) 70%);left:-60px;bottom:-40px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:stretch}
    .hero-card{background:linear-gradient(180deg,rgba(255,255,255,.9),rgba(255,250,224,.96));border:1px solid rgba(240,216,122,.7);border-radius:28px;box-shadow:var(--shadow);padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:#8a5d00;background:#fff2b3;border:1px solid #f1d76a;padding:7px 12px;border-radius:999px}
    h1{margin:14px 0 14px;font-size:clamp(34px,5vw,56px);line-height:1.06;letter-spacing:-.8px}
    .hero p{margin:0;color:#4b5563;font-size:16px;max-width:42rem}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
    .hero-metrics{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:26px}
    .metric{background:#fff;border:1px solid #f2df92;border-radius:20px;padding:16px 16px 14px;box-shadow:0 12px 24px rgba(125,94,0,.08)}
    .metric strong{display:block;font-size:24px;color:#7a5600}
    .metric span{font-size:13px;color:var(--muted)}
    .hero-side{display:grid;gap:14px}
    .hero-note,.side-card,.section-card,.info-card,.quote-card,.faq-item,.form-card,.review-card,.case-card,.article-card,.compare-card{background:var(--panel);border:1px solid #f1e0a0;border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-note{padding:20px}
    .hero-note h2,.section-title{margin:0 0 10px;font-size:24px;line-height:1.2}
    .hero-note ul{margin:12px 0 0;padding:0;list-style:none;display:grid;gap:10px}
    .hero-note li{display:flex;gap:10px;align-items:flex-start;color:#374151;font-size:14px}
    .hero-note li::before{content:"";width:10px;height:10px;background:linear-gradient(135deg,var(--brand),var(--accent));border-radius:50%;margin-top:8px;flex:0 0 auto}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff8d9;border:1px solid #efd86f;color:#7c5b03;font-size:13px}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head p{margin:0;color:var(--muted);max-width:700px}
    .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,.quote-card,.review-card,.case-card,.article-card,.compare-card,.form-card{padding:22px}
    .section-card h3,.info-card h3,.quote-card h3,.review-card h3,.case-card h3,.article-card h3,.compare-card h3{margin:0 0 10px;font-size:18px}
    .muted{color:var(--muted)}
    .step-list,.feature-list,.bullet-list{margin:0;padding:0;list-style:none;display:grid;gap:12px}
    .step-list li,.feature-list li,.bullet-list li{display:flex;gap:12px;align-items:flex-start;color:#374151}
    .num{width:28px;height:28px;border-radius:50%;display:inline-flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),#ffd95c);font-weight:800;color:#694400;flex:0 0 auto}
    table{width:100%;border-collapse:collapse;overflow:hidden}
    th,td{padding:14px 12px;border-bottom:1px solid #f3e4aa;text-align:left;vertical-align:top;font-size:14px}
    th{background:#fff9db;color:#5f4300}
    .scroll-x{overflow-x:auto;border-radius:16px}
    .rating{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-top:10px}
    .stars{letter-spacing:2px;color:#ffb400;font-size:20px}
    .timeline{display:grid;gap:12px}
    .timeline-item{display:grid;grid-template-columns:88px 1fr;gap:14px;padding:14px 0;border-top:1px dashed #ecd98d}
    .timeline-item:first-child{border-top:none;padding-top:0}
    .timeline-item strong{color:#7a5600}
    .faq{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;align-items:center;gap:16px}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary::after{content:"＋";color:#8a5d00;font-size:18px;transition:.2s ease}
    .faq-item[open] summary::after{content:"－"}
    .faq-item .faq-content{padding:0 20px 18px;color:#4b5563}
    .review-meta{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:10px}
    .review-card p{margin:0;color:#374151}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:#374151}
    input,select,textarea{width:100%;border:1px solid #e8d58c;border-radius:14px;padding:12px 14px;font:inherit;color:#111827;background:#fff}
    textarea{min-height:120px;resize:vertical}
    .full{grid-column:1/-1}
    footer{margin-top:18px;background:#fff6cf;border-top:1px solid #e8d98b;color:#334155}
    .footer-grid{display:grid;grid-template-columns:1.2fr .8fr 1fr;gap:18px;padding:24px 0}
    .footer-links{display:grid;gap:10px}
    .footer-links a{color:#334155}
    .bottom{border-top:1px solid #ead98f;padding:14px 0 18px;color:#475569;font-size:13px}
    .float-tools{position:fixed;right:14px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float-tools a,.top-btn{width:48px;height:48px;border-radius:16px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--brand),#ffdc69);box-shadow:0 10px 26px rgba(171,120,0,.22);border:1px solid rgba(140,96,0,.12);font-weight:800;color:#5b3d00}
    .back-top{display:none}
    .fade-up{opacity:0;transform:translateY(16px);transition:.7s ease}
    .fade-up.in{opacity:1;transform:none}
    .home-link{font-weight:700;color:#7a5600}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
      .section-head,.nav{align-items:flex-start}
      .nav-links{display:none;width:100%;padding-top:10px}
      .nav-links.open{display:flex;flex-direction:column;align-items:flex-start}
      .menu-btn{display:inline-flex}
      .nav{flex-wrap:wrap}
      .form-grid{grid-template-columns:1fr}
      .timeline-item{grid-template-columns:1fr}
    }