:root{
      --bg:#f7f6f2;
      --bg2:#eef3ff;
      --card:#ffffff;
      --text:#1f2a37;
      --muted:#5d6b7a;
      --line:#dde4ef;
      --primary:#ff5a3c;
      --primary2:#245dff;
      --accent:#15b8a6;
      --warm:#ffcc66;
      --shadow:0 16px 40px rgba(18, 34, 66, .10);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,90,60,.12), transparent 24%),
        radial-gradient(circle at top right, rgba(36,93,255,.10), transparent 22%),
        linear-gradient(180deg, #fff 0%, var(--bg) 42%, #f8fbff 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header, main, footer{position:relative}
    .topbar{
      position:sticky;top:0;z-index:50;
      backdrop-filter: blur(14px);
      background: rgba(255,255,255,.82);
      border-bottom:1px solid rgba(221,228,239,.8);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      min-height:76px;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain}
    .brand .name{font-weight:800;font-size:18px;white-space:nowrap}
    .brand .tag{font-size:12px;color:var(--muted);white-space:nowrap}
    .menu{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .menu a{font-size:14px;color:#314155;padding:8px 0;position:relative}
    .menu a::after{content:"";position:absolute;left:0;bottom:0;width:0;height:2px;background:linear-gradient(90deg,var(--primary),var(--primary2));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-radius:999px;border:1px solid transparent;
      padding:12px 16px;font-weight:700;font-size:14px;
      transition:.25s transform,.25s box-shadow,.25s background,.25s border-color;
      cursor:pointer;white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#ff7c50);color:#fff}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost{background:rgba(36,93,255,.08);color:var(--primary2);border-color:rgba(36,93,255,.16)}
    .nav-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;width:44px;height:44px}
    .nav-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:4px auto;border-radius:2px}
    .hero{
      padding:42px 0 26px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:stretch;
    }
    .hero-copy,.hero-panel,.section-card,.panel,.faq-item,.review-card,.case-card,.article-card,.price-box,.timeline-item,.info-box{
      background:rgba(255,255,255,.9);
      border:1px solid rgba(221,228,239,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-copy{padding:34px}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(36,93,255,.08);color:var(--primary2);
      border:1px solid rgba(36,93,255,.12);
      padding:7px 12px;border-radius:999px;font-size:13px;font-weight:700;
    }
    h1{font-size:clamp(30px, 4.8vw, 54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.02em}
    .lead{font-size:16px;line-height:1.85;color:var(--muted);margin:0 0 22px;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:10px 0 22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:18px}
    .mini{
      padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff,#f9fbff);
      border:1px solid var(--line)
    }
    .mini strong{display:block;font-size:18px;margin-bottom:6px}
    .mini span{font-size:13px;color:var(--muted);line-height:1.5}
    .hero-panel{padding:22px;position:relative;overflow:hidden}
    .hero-panel::before{
      content:"";position:absolute;inset:-40% -10% auto auto;width:320px;height:320px;border-radius:50%;
      background:radial-gradient(circle, rgba(255,90,60,.16), transparent 62%);
      pointer-events:none;
    }
    .panel-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;position:relative}
    .stat{
      padding:18px;border-radius:18px;background:linear-gradient(135deg, rgba(36,93,255,.08), rgba(255,90,60,.08));
      border:1px solid rgba(36,93,255,.12)
    }
    .stat strong{display:block;font-size:28px;line-height:1;margin-bottom:8px}
    .stat span{font-size:13px;color:var(--muted);line-height:1.5}
    .hero-note{
      margin-top:12px;padding:16px;border-radius:18px;background:#fff;border:1px dashed #cfd8ea;color:#415167;line-height:1.7
    }
    section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin:0 0 14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);line-height:1.7;max-width:64ch}
    .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}
    .section-card{padding:20px}
    .icon{
      width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
      background:linear-gradient(135deg, rgba(255,90,60,.12), rgba(36,93,255,.12));
      margin-bottom:14px;font-size:20px
    }
    h3{margin:0 0 10px;font-size:18px}
    .section-card p,.panel p,.case-card p,.article-card p,.review-card p,.info-box p{margin:0;color:var(--muted);line-height:1.75}
    .chips{display:flex;flex-wrap:wrap;gap:10px}
    .chip{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#405266}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .panel{padding:22px}
    .steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{
      padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fafcff);border:1px solid var(--line)
    }
    .step .num{font-weight:800;color:var(--primary2);font-size:13px;margin-bottom:8px}
    .step p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 14px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
    th{background:#f7f9ff;font-size:14px}
    td{font-size:14px;line-height:1.7;color:#415167}
    .highlight{color:#c63d20;font-weight:800}
    .faq-list{display:grid;gap:12px}
    .faq-item summary{
      list-style:none;cursor:pointer;padding:18px 20px;font-weight:700;display:flex;justify-content:space-between;gap:12px;align-items:center
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .ans{padding:0 20px 18px;color:var(--muted);line-height:1.8}
    .faq-item .plus{width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:rgba(36,93,255,.08);color:var(--primary2);flex:0 0 auto}
    .review-grid,.case-grid,.article-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review-card,.case-card,.article-card{padding:20px}
    .stars{color:#ff9a1a;letter-spacing:2px;font-size:14px;margin-bottom:10px}
    .meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:14px;font-size:13px;color:var(--muted)}
    .badge{display:inline-flex;align-items:center;padding:7px 10px;border-radius:999px;background:rgba(21,184,166,.10);color:#0a7f71;font-weight:700;font-size:12px}
    .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px}
    .form{
      display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px
    }
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:13px;font-weight:700;color:#334155}
    input,select,textarea{
      width:100%;padding:13px 14px;border-radius:14px;border:1px solid #ccd7e7;background:#fff;color:var(--text);
      outline:none;font:inherit;transition:.2s border-color,.2s box-shadow
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(36,93,255,.5);box-shadow:0 0 0 4px rgba(36,93,255,.08)}
    textarea{min-height:120px;resize:vertical}
    .contact-card{padding:22px}
    .qrcode{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
    .qrcode img{width:160px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .footer{
      margin-top:18px;padding:24px 0 28px;border-top:1px solid rgba(221,228,239,.9);
      background:linear-gradient(180deg, rgba(255,255,255,.65), rgba(247,246,242,.92));
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .footer a{color:#324155}
    .footer p,.footer li{color:#566577;line-height:1.8;font-size:14px}
    .footer h3{margin-bottom:12px}
    .article-list{display:grid;gap:12px}
    .article-item{
      padding:14px 16px;border-radius:16px;background:#fff;border:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px
    }
    .article-item span{color:var(--muted);font-size:13px}
    .floating{
      position:fixed;right:18px;bottom:18px;z-index:60;display:flex;flex-direction:column;gap:10px
    }
    .float-btn{
      width:52px;height:52px;border-radius:16px;display:grid;place-items:center;color:#fff;background:linear-gradient(135deg,var(--primary),#ff7a4c);box-shadow:var(--shadow)
    }
    .float-btn.secondary{background:linear-gradient(135deg,var(--primary2),#6a84ff)}
    .to-top{opacity:0;pointer-events:none;transform:translateY(8px);transition:.25s}
    .to-top.show{opacity:1;pointer-events:auto;transform:translateY(0)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#405266}
    .timeline{display:grid;gap:12px}
    .timeline-item{padding:18px 18px 18px 20px;display:flex;gap:14px;align-items:flex-start}
    .timeline-item .dot{width:12px;height:12px;border-radius:50%;margin-top:6px;background:linear-gradient(135deg,var(--primary),var(--primary2));flex:0 0 auto}
    .timeline-item strong{display:block;margin-bottom:6px}
    .timeline-item p{margin:0;color:var(--muted);line-height:1.75}
    .rating-box{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .rating{
      padding:16px;border-radius:18px;background:linear-gradient(135deg,#fff, #fff7f4);border:1px solid #ffd8ce
    }
    .rating strong{display:block;font-size:22px}
    .reveal{opacity:0;transform:translateY(18px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 1024px){
      .hero-grid,.two-col,.contact-grid,.footer-grid,.grid-4,.steps,.review-grid,.case-grid,.article-grid,.grid-3{grid-template-columns:1fr 1fr}
      .hero-points,.rating-box{grid-template-columns:1fr}
    }
    @media (max-width: 760px){
      .menu{display:none;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .menu.open{display:flex}
      .nav{position:relative}
      .nav-toggle{display:inline-grid;place-items:center}
      .nav-actions .btn-secondary{display:none}
      .hero-grid,.two-col,.contact-grid,.footer-grid,.grid-4,.steps,.review-grid,.case-grid,.article-grid,.grid-3,.form{grid-template-columns:1fr}
      .hero-copy,.hero-panel,.section-card,.panel,.contact-card{padding:20px}
      .section-head{flex-direction:column;align-items:flex-start}
      .mobile-only{display:block}
      h1{font-size:34px}
      .container{width:min(var(--container), calc(100% - 22px))}
    }