:root{
      --bg:#fffaf5;
      --panel:#ffffff;
      --panel-2:#fff3ea;
      --line:#f0ddd2;
      --text:#1d2433;
      --muted:#5f6b7a;
      --brand:#ff5a3c;
      --brand2:#ffb347;
      --brand3:#3b82f6;
      --green:#1f9d6d;
      --shadow:0 16px 40px rgba(30,40,60,.08);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,#fffdf9 0%,#fff7f0 100%);color:var(--text);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{max-width:var(--container);margin:0 auto;padding:0 20px}
    .site-header{position:sticky;top:0;z-index:50;background:rgba(255,250,245,.9);backdrop-filter:blur(14px);border-bottom:1px solid rgba(240,221,210,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:72px}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .ai-page-logo{width:42px;height:42px;object-fit:contain}
    .brand strong{display:block;font-size:16px;letter-spacing:.4px}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;align-items:center;gap:18px;flex-wrap:wrap}
    .nav-links a{font-size:14px;color:#2f3a49;padding:8px 10px;border-radius:999px;transition:.2s}
    .nav-links a:hover{background:#fff1ea;color:var(--brand)}
    .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:.22s;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),#ff7b61);color:#fff;box-shadow:0 12px 24px rgba(255,90,60,.22)}
    .btn-primary:hover{transform:translateY(-2px)}
    .btn-secondary{background:#fff;border:1px solid var(--line);color:var(--text)}
    .btn-secondary:hover{transform:translateY(-2px);border-color:#f3b39e;color:var(--brand)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{position:relative;overflow:hidden;padding:56px 0 34px}
    .hero::before,.hero::after{content:"";position:absolute;inset:auto;border-radius:50%;filter:blur(8px);pointer-events:none}
    .hero::before{width:260px;height:260px;background:radial-gradient(circle,rgba(255,90,60,.20),transparent 65%);top:-70px;right:-40px}
    .hero::after{width:220px;height:220px;background:radial-gradient(circle,rgba(59,130,246,.16),transparent 65%);left:-60px;bottom:-100px}
    .hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:28px;align-items:center}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);color:#b14a2f;border-radius:999px;padding:8px 14px;font-size:13px;font-weight:700}
    h1{font-size:clamp(32px,5vw,54px);line-height:1.08;margin:16px 0 14px;letter-spacing:-.6px}
    .hero p{margin:0;color:var(--muted);font-size:16px;max-width:60ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
    .tag{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.78);border:1px solid var(--line);color:#324055;font-size:13px}
    .hero-card{background:linear-gradient(180deg,#fff 0%,#fff8f4 100%);border:1px solid var(--line);border-radius:28px;padding:24px;box-shadow:var(--shadow)}
    .hero-stats{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .stat{background:#fff;border:1px solid #f2e3da;border-radius:18px;padding:18px;min-height:104px}
    .stat strong{display:block;font-size:28px;line-height:1;color:#172033}
    .stat span{display:block;margin-top:8px;color:var(--muted);font-size:13px}
    .section{padding:24px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:18px}
    .section-head h2{margin:0;font-size:28px;line-height:1.2}
    .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{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 28px rgba(37,42,57,.05);transition:.22s}
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 34px rgba(37,42,57,.09)}
    .card h3{margin:0 0 10px;font-size:19px}
    .muted{color:var(--muted)}
    .icon-dot{width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--brand),var(--brand2));display:inline-block}
    .service-list,.check-list,.cloud{display:flex;flex-wrap:wrap;gap:10px;margin:0;padding:0;list-style:none}
    .service-list li,.cloud span{padding:10px 13px;border-radius:999px;background:#fff7f2;border:1px solid #f3d5c7;font-size:13px;color:#404c5c}
    .check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .check-list li{list-style:none;display:flex;gap:10px;align-items:flex-start;padding:12px 14px;background:#fff;border:1px solid #f3e3db;border-radius:16px}
    .check{flex:none;width:18px;height:18px;border-radius:50%;background:linear-gradient(135deg,#23b26d,#69d39d);margin-top:2px}
    .timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{background:linear-gradient(180deg,#fff 0%,#fff7f2 100%);border:1px solid var(--line);border-radius:22px;padding:18px}
    .step .no{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:12px;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:16px 14px;border-bottom:1px solid #f4e7df;text-align:left;vertical-align:top}
    th{background:#fff7f2;font-size:14px}
    tr:last-child td{border-bottom:none}
    .score-box{background:linear-gradient(135deg,#ff6b4a,#ff9c45);color:#fff;border-radius:24px;padding:22px}
    .score-box .big{font-size:42px;font-weight:900;line-height:1}
    .mini-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .mini{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px}
    .mini strong{display:block;font-size:18px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review .meta{display:flex;align-items:center;gap:10px;margin-bottom:12px}
    .avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#ff6a4f,#ffb347);color:#fff;font-weight:800}
    .stars{color:#f59e0b;letter-spacing:1px}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article{padding:20px}
    .article .date{font-size:12px;color:#8a95a3;margin-bottom:10px}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px}
    .faq details+details{margin-top:12px}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:10px 0 0;color:var(--muted)}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .field{display:flex;flex-direction:column;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700}
    input,select,textarea{width:100%;border:1px solid #ead8cd;border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text);outline:none}
    input:focus,select:focus,textarea:focus{border-color:#ff9b7e;box-shadow:0 0 0 4px rgba(255,90,60,.08)}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:24px;background:#fff7f2;border-top:1px solid #f0ddd2;padding:28px 0 18px;color:#243042}
    .footer a{color:#243042}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 12px;border:1px solid #ead8cd;background:#fff;border-radius:999px;font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:flex;flex-direction:column;gap:10px}
    .floating a,.floating button{display:grid;place-items:center;width:52px;height:52px;border-radius:16px;border:1px solid rgba(0,0,0,.05);background:linear-gradient(135deg,#ff6a4f,#ffb347);color:#fff;box-shadow:0 14px 28px rgba(255,90,60,.25);cursor:pointer}
    .floating .secondary{background:#fff;color:var(--brand);border-color:var(--line)}
    .fade-up{opacity:0;transform:translateY(18px);transition:.7s ease}
    .fade-up.in{opacity:1;transform:none}
    .home-link{font-weight:800;color:var(--brand)}
    .floating-qrcode{display:none;position:fixed;right:16px;bottom:82px;z-index:61;width:240px;background:#fff;border:1px solid var(--line);border-radius:20px;padding:14px;box-shadow:var(--shadow)}
    .floating-qrcode img{border-radius:14px}
    .marquee{display:flex;gap:10px;flex-wrap:wrap}
    .pill{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid #f0ddd2;font-size:13px;color:#39475a}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .banner-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .ai-page-image{width:100%;border-radius:18px;object-fit:cover;border:1px solid var(--line);background:#fff}
    @media (max-width: 1024px){
      .hero-grid,.grid-3,.reviews,.articles,.mini-grid,.footer-grid,.two-col,.banner-row,.timeline{grid-template-columns:1fr 1fr}
      .check-list{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-links{display:none;position:absolute;left:20px;right:20px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
      .nav-links.open{display:flex}
      .menu-toggle{display:inline-flex}
      .hero-grid,.grid-3,.grid-2,.reviews,.articles,.mini-grid,.footer-grid,.two-col,.banner-row,.timeline,.form{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .hero{padding-top:34px}
      .hero-actions{width:100%}
      .btn{width:100%}
    }