:root{
      --bg:#fffaf4;
      --surface:#ffffff;
      --surface-2:#fff4e8;
      --line:#eadfce;
      --text:#1d2433;
      --muted:#5f6b7d;
      --brand:#ff6b7a;
      --brand-2:#ffb347;
      --brand-3:#4fb7ff;
      --good:#11a36a;
      --shadow:0 18px 40px rgba(31,39,55,.08);
      --shadow-soft:0 10px 24px rgba(31,39,55,.06);
      --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,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(255,179,71,.15), transparent 28%),
        radial-gradient(circle at top right, rgba(79,183,255,.14), transparent 28%),
        linear-gradient(180deg, #fffdf9 0%, #fff8ef 42%, #fffefc 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--max);margin:0 auto;padding:0 20px}
    .site-header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:blur(14px);
      background:rgba(255,250,244,.82);
      border-bottom:1px solid rgba(234,223,206,.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:42px;height:42px;object-fit:contain;border-radius:10px;background:#fff;box-shadow:0 6px 18px rgba(0,0,0,.06)}
    .brand .txt{display:flex;flex-direction:column;min-width:0}
    .brand strong{font-size:16px;line-height:1.1}
    .brand span{font-size:12px;color:var(--muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:var(--text);padding:8px 10px;border-radius:999px;transition:.22s ease}
    .nav-links a:hover{background:#fff;color:var(--brand);box-shadow:0 8px 20px rgba(255,107,122,.12)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .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:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease;
      white-space:nowrap;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff8e72);color:#fff;box-shadow:0 14px 28px rgba(255,107,122,.26)}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line)}
    .menu-btn{display:none;background:#fff;border:1px solid var(--line);width:44px;height:44px;border-radius:14px}
    .menu-btn span{display:block;width:18px;height:2px;background:var(--text);margin:3px auto;border-radius:999px}
    .hero{padding:34px 0 18px}
    .hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:26px;align-items:stretch}
    .hero-copy{
      position:relative;overflow:hidden;
      background:linear-gradient(135deg,#fffdfb 0%,#fff7ef 55%,#fff4fb 100%);
      border:1px solid rgba(234,223,206,.92);
      border-radius:28px;padding:34px;box-shadow:var(--shadow);
    }
    .badge{
      display:inline-flex;align-items:center;gap:8px;
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);
      color:var(--brand);font-size:13px;font-weight:700;
    }
    h1{margin:14px 0 12px;font-size:clamp(30px,4.2vw,52px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:42em}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-note{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:26px}
    .mini{
      background:rgba(255,255,255,.8);border:1px solid rgba(234,223,206,.95);
      border-radius:18px;padding:14px 16px;box-shadow:var(--shadow-soft)
    }
    .mini strong{display:block;font-size:18px}
    .mini span{display:block;font-size:13px;color:var(--muted);margin-top:4px;line-height:1.5}
    .hero-side{
      display:grid;gap:16px;
    }
    .hero-card{
      background:var(--surface);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow-soft)
    }
    .hero-card h2{margin:0 0 12px;font-size:18px}
    .support-list{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .chip{
      background:var(--surface-2);border:1px solid rgba(255,179,71,.3);border-radius:14px;padding:10px 12px;
      font-size:13px;color:#30404f
    }
    .section{padding:18px 0 10px}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px;line-height:1.15}
    .section-head p{margin:0;color:var(--muted);max-width:48em;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .card{
      background:var(--surface);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow-soft);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow);border-color:#f1cdb4}
    .stat .num{font-size:30px;font-weight:800;line-height:1;color:var(--text)}
    .stat .label{margin-top:8px;font-weight:700}
    .stat .desc{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.7}
    .service h3,.scenario h3,.timeline h3,.case h3,.review h3{margin:0 0 10px;font-size:18px}
    .service p,.scenario p,.timeline p,.case p,.review p{margin:0;color:var(--muted);line-height:1.75;font-size:14px}
    .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}
    .pill{font-size:12px;padding:7px 10px;border-radius:999px;background:#fef7ef;color:#7c4d16;border:1px solid #f2dcc0}
    .steps{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative}
    .step .index{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand-3),#7de0c3);color:#fff;font-weight:800}
    .step h3{margin:12px 0 8px}
    .step:after{content:"";position:absolute;top:28px;right:-6px;width:12px;height:2px;background:linear-gradient(90deg,#b8c8d8,transparent)}
    .step:last-child:after{display:none}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:20px;background:var(--surface);box-shadow:var(--shadow-soft)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;border-bottom:1px solid #f1e7d9;text-align:left;vertical-align:top}
    th{background:#fff8f1;font-size:14px}
    td{font-size:14px;color:#334155;line-height:1.7}
    .good{color:var(--good);font-weight:700}
    .bad{color:#c05621;font-weight:700}
    .compare-hero{
      display:grid;grid-template-columns:1.1fr .9fr;gap:14px;align-items:stretch
    }
    .score-box{
      background:linear-gradient(135deg,#fff 0%,#fff6f0 100%);
      border:1px solid var(--line);border-radius:22px;padding:22px;box-shadow:var(--shadow-soft)
    }
    .score{
      font-size:54px;font-weight:900;line-height:1;color:#ff6b7a
    }
    .faq details{
      background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:var(--shadow-soft)
    }
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .reviews .card{display:flex;flex-direction:column;gap:10px}
    .stars{color:#ffb300;font-size:18px;letter-spacing:2px}
    .case-gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .case figure{margin:0}
    .case img{width:100%;border-radius:18px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft)}
    .article-list{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}
    .article{padding:18px}
    .article .meta{font-size:12px;color:var(--muted);margin-bottom:8px}
    .article h3{margin:0 0 8px;font-size:17px;line-height:1.4}
    .article a.more{display:inline-flex;margin-top:10px;color:var(--brand);font-weight:700}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud a{padding:10px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#31404e}
    .timeline{
      display:grid;grid-template-columns:repeat(4,1fr);gap:14px
    }
    .timeline .card{position:relative}
    .timeline .card:before{
      content:"";position:absolute;left:20px;top:20px;width:10px;height:10px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand-2))
    }
    .timeline .card{padding-left:36px}
    .price-grid{display:grid;grid-template-columns:1fr 1fr 1fr;gap:14px}
    .price{position:relative;overflow:hidden}
    .price .value{font-size:32px;font-weight:900}
    .price.highlight{border-color:#ffcab2;background:linear-gradient(180deg,#fff 0%,#fff7ef 100%)}
    .form-wrap{
      display:grid;grid-template-columns:1.05fr .95fr;gap:14px;align-items:start
    }
    form{display:grid;gap:12px}
    .field{display:grid;gap:7px}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;background:#fff;padding:13px 14px;
      font:inherit;color:var(--text);outline:none;transition:border-color .2s ease, box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:#ffb08b;box-shadow:0 0 0 4px rgba(255,176,139,.16)}
    textarea{min-height:120px;resize:vertical}
    .contact-box{display:grid;gap:12px}
    .qrcode{
      display:flex;gap:16px;align-items:center;flex-wrap:wrap
    }
    .qrcode img{width:140px;height:140px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    .footer{
      margin-top:18px;background:#fff8f1;border-top:1px solid var(--line);color:#273142
    }
    .footer a{color:#314f8a}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;padding:26px 0}
    .footer small{color:#5f6b7d}
    .mobile-only{display:none}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow-soft);
      display:grid;place-items:center;color:var(--text);cursor:pointer
    }
    .float-tools a:hover,.float-tools button:hover{transform:translateY(-2px)}
    .fade-up{opacity:0;transform:translateY(18px);transition:opacity .5s ease, transform .5s ease}
    .fade-up.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.compare-hero,.form-wrap,.footer-grid,.grid-4,.grid-3,.grid-2,.steps,.timeline,.case-gallery,.article-list,.price-grid{grid-template-columns:1fr 1fr}
      .hero-note{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-grid;place-items:center}
      .nav.open .nav-links{
        display:flex;position:absolute;left:20px;right:20px;top:76px;flex-direction:column;align-items:flex-start;
        background:rgba(255,255,255,.98);padding:14px;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow)
      }
    }
    @media (max-width: 680px){
      .container{padding:0 16px}
      .hero{padding-top:20px}
      .hero-grid,.compare-hero,.form-wrap,.footer-grid,.grid-4,.grid-3,.grid-2,.steps,.timeline,.case-gallery,.article-list,.price-grid,.support-list{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero-copy{padding:24px}
      .support-list{display:grid}
      .mobile-only{display:block}
      .desktop-only{display:none}
      .case img{max-height:none}
      .nav{min-height:70px}
      .score{font-size:44px}
      .float-tools{right:12px;bottom:12px}
    }