:root{
      --bg:#f6f1e8;
      --bg2:#fffdf8;
      --card:#ffffff;
      --line:#e8dcc8;
      --text:#203040;
      --muted:#5d6a78;
      --brand:#ff7a45;
      --brand2:#4c7df0;
      --brand3:#27b9a8;
      --shadow:0 18px 45px rgba(32,48,64,.08);
      --radius:22px;
      --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;
      background:
        radial-gradient(circle at top left, rgba(255,122,69,.10), transparent 28%),
        radial-gradient(circle at top right, rgba(76,125,240,.08), transparent 24%),
        linear-gradient(180deg, var(--bg) 0%, #fbf8f2 100%);
      color:var(--text);
    }
    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:40;
      backdrop-filter: blur(16px);
      background:rgba(246,241,232,.82);
      border-bottom:1px solid rgba(232,220,200,.8);
    }
    .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:44px; height:44px; object-fit:contain}
    .brand h1{margin:0; font-size:18px; line-height:1.1}
    .brand small{display:block; color:var(--muted); font-size:12px; margin-top:3px}
    .nav-links{display:flex; align-items:center; gap:18px; flex-wrap:wrap}
    .nav-links a{font-size:14px; color:var(--muted); padding:8px 10px; border-radius:999px}
    .nav-links a:hover,.nav-links a:focus{background:#fff; color:var(--text)}
    .nav-cta{display:flex; align-items:center; gap:10px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      padding:12px 16px; border-radius:999px; border:1px solid transparent;
      font-weight:700; transition:.22s ease; cursor:pointer;
      box-shadow:0 10px 24px rgba(0,0,0,.04);
      white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff9b5d); color:#fff}
    .btn-primary:hover{transform:translateY(-2px); box-shadow:0 16px 30px rgba(255,122,69,.22)}
    .btn-ghost{background:#fff; border-color:#eadfcf; color:var(--text)}
    .btn-ghost:hover{transform:translateY(-2px); border-color:#d2c0aa}
    .menu-btn{display:none; width:44px; height:44px; border-radius:12px; border:1px solid #e6dac7; background:#fff}
    .menu-btn span{display:block; width:18px; height:2px; background:var(--text); margin:4px auto}
    main{overflow:hidden}
    section{padding:24px 0}
    .hero{padding:28px 0 10px}
    .hero-grid{
      display:grid; grid-template-columns:1.25fr .75fr; gap:22px; align-items:stretch;
    }
    .hero-panel,.card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.95), rgba(255,253,248,.95));
      border:1px solid rgba(232,220,200,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-panel{padding:30px; position:relative; overflow:hidden}
    .hero-panel:before{
      content:""; position:absolute; inset:auto -80px -110px auto; width:260px; height:260px;
      background:radial-gradient(circle, rgba(39,185,168,.18), transparent 62%);
      pointer-events:none;
    }
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
      background:#fff4ec; color:#b44d21; border:1px solid #ffd8c2; font-size:13px; font-weight:700;
    }
    .hero h2{margin:16px 0 12px; font-size:40px; line-height:1.08}
    .hero p{margin:0; color:var(--muted); font-size:16px; line-height:1.8; max-width:58ch}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
    .stats{display:grid; grid-template-columns:repeat(3,1fr); gap:14px; margin-top:22px}
    .stat{padding:16px; border-radius:18px; background:#fff; border:1px solid #ece0cf}
    .stat strong{display:block; font-size:22px; margin-bottom:6px}
    .stat span{color:var(--muted); font-size:13px; line-height:1.5}
    .hero-side{display:grid; gap:14px}
    .side-box{padding:20px}
    .mini-list{display:grid; gap:12px; margin:16px 0 0; padding:0; list-style:none}
    .mini-list li{display:flex; gap:10px; align-items:flex-start; color:var(--text); line-height:1.6}
    .dot{width:10px; height:10px; border-radius:50%; background:linear-gradient(135deg,var(--brand2),var(--brand3)); margin-top:8px; flex:0 0 auto}
    .section-head{display:flex; justify-content:space-between; align-items:flex-end; gap:14px; margin-bottom:16px}
    .section-head h3{margin:0; font-size:26px}
    .section-head p{margin:0; color:var(--muted); line-height:1.7}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .card{padding:20px}
    .card h4{margin:0 0 10px; font-size:18px}
    .card p,.card li{color:var(--muted); line-height:1.7}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; border-radius:999px; background:#fff; border:1px solid #eadfcf; font-size:13px}
    .two-col{display:grid; grid-template-columns:1fr 1fr; gap:16px}
    .steps{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .step{padding:20px; position:relative}
    .step .num{display:inline-flex; width:34px; height:34px; align-items:center; justify-content:center; border-radius:50%; background:#fff0e7; color:#c04c1e; font-weight:800; margin-bottom:12px}
    .table-wrap{overflow:auto; border-radius:18px; border:1px solid #eadfcf; background:#fff}
    table{width:100%; border-collapse:collapse; min-width:760px}
    th,td{padding:14px 16px; border-bottom:1px solid #f0e7da; text-align:left; vertical-align:top}
    th{background:#fcf8f1; color:#24303d}
    tr:last-child td{border-bottom:none}
    .rating{
      display:flex; align-items:center; gap:12px; flex-wrap:wrap
    }
    .stars{color:#ffb200; letter-spacing:2px; font-size:20px}
    .score{padding:10px 14px; border-radius:999px; background:#f2f7ff; border:1px solid #d9e5ff; color:#244f99; font-weight:700}
    details{
      background:#fff; border:1px solid #eadfcf; border-radius:16px; padding:0 16px; box-shadow:var(--shadow)
    }
    details+details{margin-top:12px}
    summary{cursor:pointer; list-style:none; padding:16px 0; font-weight:700}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px; color:var(--muted); line-height:1.75}
    .reviews{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .review{padding:20px}
    .review .role{color:#b1561f; font-size:13px; font-weight:700}
    .review .name{margin:10px 0 8px; font-weight:800}
    .review p{margin:0; color:var(--muted); line-height:1.75}
    .articles{display:grid; grid-template-columns:repeat(2,1fr); gap:16px}
    .article-item{padding:18px}
    .article-item a{color:var(--brand2); font-weight:700}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px}
    .form-card{padding:22px}
    label{display:block; font-size:14px; font-weight:700; margin-bottom:8px}
    input,select,textarea{
      width:100%; padding:13px 14px; border-radius:14px; border:1px solid #dccfbf; background:#fff;
      color:var(--text); outline:none; font:inherit
    }
    input:focus,select:focus,textarea:focus{border-color:#f3a06f; box-shadow:0 0 0 4px rgba(255,122,69,.10)}
    textarea{min-height:126px; resize:vertical}
    .footer{
      margin-top:18px; padding:28px 0 32px; border-top:1px solid #e7dac8; background:#f8f3ea; color:#263241
    }
    .footer a{color:#214f9b}
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr .8fr; gap:18px}
    .footer small,.footer p,.footer li{color:#52606e; line-height:1.75}
    .footer ul{margin:0; padding:0; list-style:none}
    .float-tools{
      position:fixed; right:16px; bottom:16px; z-index:50; display:grid; gap:10px
    }
    .float-tools a,.float-tools button{
      width:52px; height:52px; border-radius:16px; border:none; background:#fff; box-shadow:var(--shadow);
      display:flex; align-items:center; justify-content:center; color:var(--text); font-weight:800; cursor:pointer
    }
    .float-tools a:hover,.float-tools button:hover{transform:translateY(-2px)}
    .wechat-box{
      position:fixed; left:16px; bottom:16px; z-index:45; width:220px; background:#fff; border:1px solid #eadfcf; border-radius:18px; box-shadow:var(--shadow); padding:12px
    }
    .wechat-box img{border-radius:12px; width:100%; aspect-ratio:1/1; object-fit:cover}
    .wechat-box strong{display:block; margin:10px 0 4px}
    .wechat-box span{color:var(--muted); font-size:13px}
    .reveal{opacity:0; transform:translateY(18px); transition:.6s ease}
    .reveal.show{opacity:1; transform:none}
    .home-link{display:inline-flex; align-items:center; gap:6px; color:#1f4e9d; font-weight:700}
    .banner-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:14px}
    .banner-grid img{width:100%; border-radius:18px; border:1px solid #eadfcf; background:#fff; aspect-ratio:1/1; object-fit:cover; box-shadow:var(--shadow)}
    .network{
      display:grid; grid-template-columns:repeat(3,1fr); gap:14px
    }
    .network .card{min-height:100%}
    .price-list{display:grid; grid-template-columns:repeat(3,1fr); gap:14px}
    .price-item strong{display:block; font-size:22px; margin-bottom:8px}
    .mobile-only{display:none}
    @media (max-width: 1060px){
      .hero-grid,.grid-4,.grid-3,.steps,.reviews,.articles,.footer-grid,.network,.price-list,.banner-grid{grid-template-columns:1fr 1fr}
      .two-col{grid-template-columns:1fr}
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .nav-links,.nav-cta{display:none}
      .menu-btn{display:inline-block}
      .hero-grid,.grid-4,.grid-3,.steps,.reviews,.articles,.footer-grid,.network,.price-list,.banner-grid{grid-template-columns:1fr}
      .hero h2{font-size:30px}
      .hero-panel,.card,.panel{border-radius:18px}
      .stats{grid-template-columns:1fr}
      .wechat-box{display:none}
      .mobile-only{display:block}
      .section-head{align-items:flex-start; flex-direction:column}
    }
    .mobile-menu{
      display:none; padding:0 0 16px
    }
    .mobile-menu.open{display:block}
    .mobile-menu .panel{padding:14px}
    .mobile-menu a{display:block; padding:12px 10px; border-bottom:1px solid #f0e7da; color:var(--text)}
    .mobile-menu a:last-child{border-bottom:none}