:root{
      --bg:#f6f4ef;
      --bg2:#edf2ff;
      --card:#fffdf8;
      --line:#e4dccd;
      --text:#1f2937;
      --muted:#607086;
      --brand:#2d6cff;
      --brand2:#8b5cf6;
      --accent:#f59e0b;
      --shadow:0 14px 40px rgba(30,41,59,.08);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:radial-gradient(circle at top left,#fff9ee 0,#f6f4ef 30%,#eef4ff 100%);color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar,.section,.footer{position:relative}
    .nav{position:sticky;top:0;z-index:30;background:rgba(246,244,239,.78);backdrop-filter:blur(16px);border-bottom:1px solid rgba(228,220,205,.8)}
    .nav-inner{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:#fff;padding:5px;box-shadow:0 8px 20px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:16px;letter-spacing:.5px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#334155;padding:8px 0;position:relative;white-space:nowrap}
    .menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--brand),var(--brand2));transition:.25s}
    .menu a:hover::after,.menu a.active::after{width:100%}
    .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;cursor:pointer;transition:.25s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(45,108,255,.22)}
    .btn-secondary{background:#fff;color:#1f2a37;border-color:var(--line)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .mobile-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;width:44px;height:44px}
    .hero{padding:30px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.table-wrap,.form-wrap,.quote,.article-list,.timeline,.compare-box,.price-box{background:rgba(255,253,248,.92);border:1px solid rgba(228,220,205,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;overflow:hidden;position:relative}
    .hero-main::before,.hero-main::after{content:"";position:absolute;border-radius:999px;filter:blur(2px);pointer-events:none}
    .hero-main::before{right:-40px;top:-40px;width:180px;height:180px;background:radial-gradient(circle,rgba(45,108,255,.18),transparent 65%)}
    .hero-main::after{left:38%;bottom:-70px;width:260px;height:260px;background:radial-gradient(circle,rgba(139,92,246,.14),transparent 65%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#4b5563;background:#fff;border:1px solid var(--line);padding:8px 12px;border-radius:999px}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,54px);line-height:1.08;letter-spacing:-.03em}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:60ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:24px 0 20px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .mini-stat{background:linear-gradient(180deg,#fff, #faf7f0);border:1px solid var(--line);border-radius:18px;padding:14px 16px}
    .mini-stat strong{display:block;font-size:20px}
    .mini-stat span{display:block;font-size:13px;color:var(--muted)}
    .hero-side{padding:18px}
    .hero-side .stack{display:grid;gap:14px}
    .visual-block{border-radius:20px;padding:18px;background:linear-gradient(135deg,#fff5d8,#edf2ff 52%,#f4e8ff);border:1px solid rgba(141,159,223,.2)}
    .visual-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:14px}
    .v-chip{background:rgba(255,255,255,.76);border:1px solid rgba(255,255,255,.65);backdrop-filter:blur(10px);padding:12px;border-radius:16px;font-size:14px;color:#24303f}
    .section{padding:16px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:clamp(22px,3vw,34px)}
    .section-head p{margin:0;color:var(--muted);max-width:62ch}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
    .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{padding:20px}
    .card h3{margin:10px 0 8px;font-size:18px}
    .card p,.card li,.panel p,.panel li{color:var(--muted)}
    .icon{width:44px;height:44px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(45,108,255,.14),rgba(139,92,246,.12));color:var(--brand);font-size:20px}
    .tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#344054}
    .table-wrap{padding:18px;overflow:auto}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 12px;border-bottom:1px solid #eadfce;text-align:left;font-size:14px;vertical-align:top}
    th{color:#24303f;background:#faf7f0}
    tbody tr:hover{background:#fcfbf8}
    .score{font-size:28px;font-weight:800;color:#0f172a}
    .stars{color:#f59e0b;letter-spacing:2px}
    .timeline{padding:18px}
    .step{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed #eadfce}
    .step:last-child{border-bottom:none}
    .step-num{flex:0 0 36px;width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:700}
    .quote{padding:18px}
    .quote strong{display:block;margin-top:10px}
    .faq-item{overflow:hidden}
    .faq-q{width:100%;background:none;border:none;padding:18px 18px;display:flex;align-items:center;justify-content:space-between;gap:18px;font:inherit;color:var(--text);cursor:pointer;text-align:left}
    .faq-q span{font-weight:700}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;padding:0 18px;color:var(--muted)}
    .faq-item.open .faq-a{padding-bottom:18px;max-height:180px}
    .faq-item.open .arrow{transform:rotate(180deg)}
    .arrow{transition:.25s}
    .article-list{padding:18px}
    .article-list a{display:flex;justify-content:space-between;gap:16px;padding:14px 0;border-bottom:1px solid #eee3d2;color:#263243}
    .article-list a:last-child{border-bottom:none}
    .article-list time{color:var(--muted);font-size:13px}
    .form-wrap{padding:18px}
    form{display:grid;gap:14px}
    .fields{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-size:14px;font-weight:600;color:#334155}
    input,select,textarea{width:100%;border:1px solid #d9cfbf;background:#fff;border-radius:14px;padding:13px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    textarea{min-height:120px;resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#7c9cff;box-shadow:0 0 0 4px rgba(45,108,255,.1)}
    .footer{margin-top:10px;padding:26px 0 30px;border-top:1px solid rgba(228,220,205,.9);background:linear-gradient(180deg,rgba(255,253,248,.9),rgba(246,244,239,.98))}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr 1fr;gap:18px;align-items:start}
    .footer a{color:#1f3b7a}
    .footer small,.footer p{color:var(--muted)}
    .footer .brand img{width:50px;height:50px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .float{position:fixed;right:16px;bottom:16px;z-index:40;display:grid;gap:10px}
    .float a,.float button{width:48px;height:48px;border:none;border-radius:16px;display:grid;place-items:center;background:#fff;color:#1f2937;box-shadow:0 14px 30px rgba(15,23,42,.14);cursor:pointer}
    .float .up{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff}
    .support{display:grid;grid-template-columns:150px 1fr;gap:14px;align-items:center}
    .support img{width:150px;aspect-ratio:1/1;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    .mobile-only{display:none}
    .panel{padding:18px}
    .compare-box{padding:18px}
    .price-box{padding:18px}
    .service-network{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:12px}
    .service-network div{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:16px;text-align:center;font-size:14px}
    .rating{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
    .rating .badge{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .anchor-space{scroll-margin-top:90px}
    .list-bullets{padding-left:18px;margin:10px 0 0}
    .list-bullets li{margin:6px 0}
    @media (max-width: 1024px){
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.service-network{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width: 760px){
      .menu{display:none}
      .menu.open{display:grid;position:absolute;left:16px;right:16px;top:70px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow)}
      .menu.open a{padding:10px 0;border-bottom:1px solid #f0e7d8}
      .menu.open a:last-child{border-bottom:none}
      .mobile-toggle{display:inline-grid;place-items:center}
      .hero-grid,.grid-4,.grid-3,.grid-2,.footer-grid,.service-network,.fields,.support{grid-template-columns:1fr}
      .hero-main,.hero-side,.card,.panel,.table-wrap,.form-wrap,.quote,.article-list,.timeline,.compare-box,.price-box{padding:16px}
      .hero{padding-top:16px}
      .nav-inner{position:relative}
      .mobile-only{display:block}
      .support img{width:100%;max-width:180px}
      table{min-width:760px}
      .float{right:12px;bottom:12px}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .6s ease,transform .6s ease}
    .reveal.show{opacity:1;transform:none}