:root{
      --bg:#fff9e7;
      --panel:#ffffff;
      --panel-2:#fff4c8;
      --line:#f0d77b;
      --text:#1f2937;
      --muted:#5b6472;
      --brand:#ffcc1a;
      --brand-2:#ff9f1a;
      --accent:#0f172a;
      --shadow:0 18px 45px rgba(83,63,0,.12);
      --radius:20px;
      --radius-sm:14px;
      --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;background:linear-gradient(180deg,#fff9e7 0%,#fffdf6 100%);color:var(--text);line-height:1.65}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    .container{width:min(var(--max),calc(100% - 32px));margin:0 auto}
    header{position:sticky;top:0;z-index:40;background:rgba(255,250,228,.88);backdrop-filter:blur(14px);border-bottom:1px solid rgba(240,215,123,.7)}
    .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}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .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:var(--text);padding:8px 10px;border-radius:999px;transition:.25s ease}
    .nav-links a:hover,.nav-links a.active{background:#fff1a6;transform:translateY(-1px)}
    .nav-cta{display:flex;gap:10px;align-items:center}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:0;border-radius:999px;padding:12px 18px;font-weight:700;cursor:pointer;transition:.25s ease;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#ffd94d 55%,#ffb11a 100%);color:#1f1a00;box-shadow:0 10px 25px rgba(255,183,0,.28)}
    .btn-primary:hover,.btn-secondary:hover,.card:hover,.review:hover,.case:hover,.faq-item[open]{transform:translateY(-3px)}
    .btn-secondary{background:#fff;border:1px solid #f0d77b;color:#6a4f00}
    .menu-btn{display:none;background:#fff;border:1px solid #f0d77b;border-radius:12px;padding:10px 12px}
    .hero{padding:34px 0 18px;position:relative;overflow:hidden}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(0);pointer-events:none}
    .hero::before{width:260px;height:260px;background:rgba(255,204,26,.20);right:-90px;top:18px}
    .hero::after{width:220px;height:220px;background:rgba(255,159,26,.14);left:-70px;bottom:40px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.review,.faq-item,.form-wrap,.table-wrap{background:var(--panel);border:1px solid rgba(240,215,123,.65);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:30px}
    .eyebrow{display:inline-flex;gap:8px;align-items:center;background:#fff4bf;border:1px solid #f3de95;color:#7a5a00;padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700}
    h1{margin:14px 0 12px;font-size:clamp(30px,4vw,54px);line-height:1.06;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:16px;max-width:58ch}
    .hero-points{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:18px 0 22px}
    .mini{background:#fffaf0;border:1px solid #f5e3a0;border-radius:16px;padding:14px}
    .mini strong{display:block;font-size:18px;color:#2b1f00}
    .mini span{font-size:13px;color:var(--muted)}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .hero-side{padding:22px;display:grid;gap:14px;background:linear-gradient(180deg,#fffdf6 0%,#fff6cc 100%)}
    .stat-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .stat{padding:18px;border-radius:18px;background:rgba(255,255,255,.82);border:1px solid #f3de95}
    .stat strong{display:block;font-size:26px;line-height:1;color:#1d1400}
    .stat span{font-size:13px;color:var(--muted)}
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:60ch}
    .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}
    .card,.review,.case,.form-wrap,.panel{padding:20px}
    .card h3,.review h3,.case h3{margin:12px 0 8px;font-size:18px}
    .card p,.review p,.case p,.panel p{margin:0;color:var(--muted)}
    .icon{width:46px;height:46px;border-radius:14px;background:linear-gradient(135deg,#fff3a1,#ffd146);display:grid;place-items:center;font-weight:900;color:#7a4f00}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff7da;border:1px solid #f3de95;color:#6f5200;font-size:13px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{padding:18px;border-radius:18px;background:#fff;border:1px solid #f1dea1;position:relative}
    .step b{display:inline-flex;width:34px;height:34px;border-radius:50%;align-items:center;justify-content:center;background:#fff0a0;color:#6e5100;margin-bottom:12px}
    .table-wrap{overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:860px;background:#fff}
    th,td{padding:14px 12px;border-bottom:1px solid #f2e3ad;text-align:left;vertical-align:top}
    th{background:#fff6cf;color:#5b4300;font-size:14px}
    .check{color:#0f7a3a;font-weight:700}
    details{border-bottom:1px solid #f0e1a5}
    .faq-item{overflow:hidden}
    summary{list-style:none;padding:18px 20px;font-weight:700;cursor:pointer}
    summary::-webkit-details-marker{display:none}
    details .faq-body{padding:0 20px 18px;color:var(--muted)}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{margin-top:14px;font-size:13px;color:#7a5a00;font-weight:700}
    .case-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
    .case ul,.panel ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article{padding:18px;border-radius:18px;border:1px solid #f1dea1;background:#fff}
    .article a{color:#4b3500;font-weight:700}
    .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:7px;color:#403000}
    input,select,textarea{width:100%;border:1px solid #e8d68a;border-radius:14px;padding:12px 14px;font:inherit;color:var(--text);background:#fffdf4;outline:none}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ffbf1a;box-shadow:0 0 0 4px rgba(255,191,26,.14)}
    footer{margin-top:18px;background:#fff7dd;border-top:1px solid #f0d77b;color:#2d2411}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px;padding:24px 0}
    .footer-grid a{color:#5c4300}
    .footer-grid a:hover{text-decoration:underline}
    .small{font-size:13px;color:#63553b}
    .float-tools{position:fixed;right:16px;bottom:16px;display:grid;gap:10px;z-index:50}
    .float-tools a,.float-tools button{width:52px;height:52px;border-radius:16px;border:1px solid #f0d77b;background:linear-gradient(135deg,#fff7bf,#ffd54a);display:grid;place-items:center;box-shadow:0 10px 24px rgba(105,77,0,.16);cursor:pointer;color:#5c4200}
    .backtop{display:none}
    .mobile-panel{display:none}
    .sticky-bar{position:sticky;top:74px;z-index:5}
    .comparison-score{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .scorebox{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff7d8,#fffdf5);border:1px solid #f1dea1}
    .scorebox strong{display:block;font-size:28px}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.steps,.reviews,.case-list,.articles,.footer-grid,.comparison-score{grid-template-columns:1fr}
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .mobile-panel{display:none;padding:0 0 14px}
      .mobile-panel.open{display:block}
      .hero-points,.form-grid{grid-template-columns:1fr}
      .section-head{align-items:flex-start;flex-direction:column}
      .sticky-bar{top:66px}
    }
    .reveal{opacity:0;transform:translateY(18px);transition:.65s ease}
    .reveal.in{opacity:1;transform:none}
    .service-bullets{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin-top:12px}
    .bullet{background:#fffaf0;border:1px solid #f1dea1;border-radius:16px;padding:14px}
    .bullet strong{display:block;margin-bottom:6px}
    .topline{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}
    .topline span{font-size:12px;background:#fff1ac;border:1px solid #f2de93;padding:6px 10px;border-radius:999px;color:#715400}