:root{
      --bg:#fff9f4;
      --panel:#ffffff;
      --panel-2:#fff2ea;
      --text:#1f2430;
      --muted:#5d6472;
      --line:#f0d8cf;
      --brand:#ff4d4f;
      --brand-2:#ff8a00;
      --brand-3:#6a5cff;
      --success:#16a34a;
      --shadow:0 18px 50px rgba(85,39,24,.10);
      --radius:22px;
      --radius-sm:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;
      background:
        radial-gradient(circle at top left, rgba(255,77,79,.16), transparent 30%),
        radial-gradient(circle at top right, rgba(255,138,0,.14), transparent 26%),
        linear-gradient(180deg, #fff9f4 0%, #fffdfb 58%, #fff7f1 100%);
      color:var(--text);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:50;
      backdrop-filter: blur(14px);
      background:rgba(255,249,244,.86);
      border-bottom:1px solid rgba(240,216,207,.7);
    }
    .nav-bar{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:76px;
    }
    .brand{display:flex; align-items:center; gap:14px; min-width:0}
    .brand .ai-page-logo{width:44px; height:44px; object-fit:contain; border-radius:12px; background:#fff; padding:4px; box-shadow:0 10px 24px rgba(255,77,79,.12)}
    .brand-text{min-width:0}
    .brand-text strong{display:block; font-size:18px; line-height:1.1}
    .brand-text span{display:block; font-size:12px; color:var(--muted)}
    .nav-toggle{
      display:none; border:1px solid var(--line); background:#fff; color:var(--text);
      border-radius:14px; padding:10px 12px; box-shadow:0 8px 20px rgba(31,36,48,.06)
    }
    .nav-links{
      display:flex; align-items:center; gap:8px; flex-wrap:wrap; justify-content:flex-end;
    }
    .nav-links a{
      padding:9px 12px; border-radius:999px; color:#3a4250; font-size:14px;
      transition:.2s ease; border:1px solid transparent;
    }
    .nav-links a:hover,.nav-links a:focus-visible{
      background:#fff; border-color:var(--line); transform:translateY(-1px);
    }
    .top-cta{
      padding:10px 14px; border-radius:999px; background:linear-gradient(135deg,var(--brand),var(--brand-2));
      color:#fff; box-shadow:0 12px 30px rgba(255,77,79,.25); font-weight:700;
    }
    main{overflow:hidden}
    section{padding:72px 0}
    .hero{padding:28px 0 56px}
    .hero-grid{
      display:grid; grid-template-columns:1.25fr .75fr; gap:22px; align-items:stretch;
    }
    .hero-card{
      background:
        linear-gradient(135deg, rgba(255,77,79,.98), rgba(255,138,0,.94) 52%, rgba(106,92,255,.96));
      color:#fff; border-radius:28px; padding:34px; box-shadow:var(--shadow); position:relative; overflow:hidden;
      isolation:isolate;
    }
    .hero-card::before,.hero-card::after{
      content:""; position:absolute; border-radius:50%; background:rgba(255,255,255,.16); filter:blur(2px);
    }
    .hero-card::before{width:220px;height:220px;right:-80px;top:-70px}
    .hero-card::after{width:160px;height:160px;left:-50px;bottom:-70px}
    .kicker{display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px; background:rgba(255,255,255,.16); font-size:13px}
    h1{margin:18px 0 14px; font-size:clamp(32px, 5vw, 58px); line-height:1.06; letter-spacing:-.03em}
    .hero p{margin:0; max-width:58ch; font-size:16px; color:rgba(255,255,255,.92)}
    .hero-actions{display:flex; gap:12px; flex-wrap:wrap; margin-top:26px}
    .btn{
      display:inline-flex; align-items:center; justify-content:center; gap:8px;
      border:none; border-radius:16px; padding:13px 18px; font-weight:700; cursor:pointer;
      transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
    }
    .btn:hover{transform:translateY(-2px)}
    .btn-primary{background:#fff; color:#c62828; box-shadow:0 12px 28px rgba(0,0,0,.13)}
    .btn-secondary{background:rgba(255,255,255,.16); color:#fff; border:1px solid rgba(255,255,255,.28)}
    .hero-side{
      display:grid; gap:16px;
    }
    .mini-panel{
      background:rgba(255,255,255,.78); border:1px solid rgba(255,255,255,.68);
      border-radius:24px; padding:22px; box-shadow:0 16px 40px rgba(100,54,32,.09);
    }
    .mini-panel h3{margin:0 0 10px; font-size:18px}
    .metric-grid{display:grid; grid-template-columns:repeat(2,1fr); gap:12px}
    .metric{
      background:linear-gradient(180deg,#fff,#fff7f2); border:1px solid var(--line); border-radius:18px; padding:16px;
    }
    .metric strong{display:block; font-size:22px}
    .metric span{color:var(--muted); font-size:13px}
    .section-head{display:flex; justify-content:space-between; gap:16px; align-items:end; margin-bottom:22px}
    .section-head h2{margin:0; font-size:clamp(24px,3vw,36px); line-height:1.1}
    .section-head p{margin:0; color:var(--muted); max-width:66ch}
    .grid-3{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:18px}
    .card{
      background:var(--panel); border:1px solid rgba(240,216,207,.92); border-radius:var(--radius);
      box-shadow:0 10px 26px rgba(72,38,22,.06); padding:22px; transition:transform .2s ease, box-shadow .2s ease;
    }
    .card:hover{transform:translateY(-4px); box-shadow:0 18px 38px rgba(72,38,22,.10)}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p,.card li{color:var(--muted)}
    .tag-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:9px 12px; background:#fff; border:1px solid var(--line); border-radius:999px; font-size:13px; color:#3d4350}
    .pill{display:inline-flex; align-items:center; gap:8px; padding:7px 12px; border-radius:999px; background:#fff3ee; color:#b33939; font-size:13px; font-weight:700}
    .feature-list{list-style:none; padding:0; margin:0; display:grid; gap:10px}
    .feature-list li{display:flex; gap:10px; align-items:flex-start}
    .feature-list li::before{content:""; width:10px; height:10px; border-radius:50%; margin-top:.5em; background:linear-gradient(135deg,var(--brand),var(--brand-2))}
    .timeline{display:grid; gap:14px}
    .step{
      display:grid; grid-template-columns:auto 1fr; gap:14px; align-items:start;
      padding:18px; border-radius:20px; background:#fff; border:1px solid var(--line);
    }
    .step-num{
      width:42px; height:42px; border-radius:14px; display:grid; place-items:center; font-weight:800; color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand-3));
    }
    .compare-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff}
    table{width:100%; border-collapse:collapse; min-width:760px; background:#fff}
    th,td{padding:16px; text-align:left; border-bottom:1px solid #f5e5dd; vertical-align:top}
    th{background:#fff7f2; color:#2f3645}
    .rating{display:flex; gap:6px; color:#ff9f1c; font-size:18px}
    .faq{display:grid; gap:12px}
    .faq-item{border:1px solid var(--line); border-radius:18px; background:#fff; overflow:hidden}
    .faq-q{
      width:100%; text-align:left; padding:18px 20px; background:transparent; border:none; color:var(--text); font-size:16px;
      display:flex; align-items:center; justify-content:space-between; gap:12px; cursor:pointer;
    }
    .faq-a{max-height:0; overflow:hidden; transition:max-height .25s ease; color:var(--muted); padding:0 20px}
    .faq-item.open .faq-a{padding:0 20px 18px; max-height:200px}
    .faq-icon{font-weight:900; color:var(--brand)}
    .reviews,.news-list{display:grid; grid-template-columns:repeat(3,1fr); gap:18px}
    .review-card cite{display:block; font-style:normal; color:#8a4f2b; font-weight:700; margin-top:14px}
    .form-grid{display:grid; grid-template-columns:1fr 1fr; gap:18px}
    form .field{display:grid; gap:8px; margin-bottom:14px}
    input,select,textarea{
      width:100%; border:1px solid var(--line); background:#fff; border-radius:14px; padding:13px 14px;
      font:inherit; color:var(--text); outline:none;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ff9a7d; box-shadow:0 0 0 4px rgba(255,77,79,.08)}
    .submit-btn{width:100%; background:linear-gradient(135deg,var(--brand),var(--brand-2)); color:#fff; box-shadow:0 16px 28px rgba(255,77,79,.22)}
    .footer{
      padding:26px 0 30px; border-top:1px solid rgba(240,216,207,.85); background:#fffaf7; color:#374151
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px; align-items:start}
    .footer small,.footer a{color:#4b5563}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    .footer-links a{padding:8px 11px; border-radius:999px; background:#fff; border:1px solid var(--line)}
    .floating{
      position:fixed; right:16px; bottom:16px; z-index:60; display:grid; gap:10px;
    }
    .float-btn{
      width:52px; height:52px; border-radius:18px; display:grid; place-items:center; background:#fff; border:1px solid var(--line);
      box-shadow:0 14px 30px rgba(59,35,22,.12); color:var(--brand); font-weight:900;
    }
    .service-rail{
      display:grid; gap:16px;
    }
    .qr{
      display:flex; gap:14px; align-items:center;
    }
    .qr img{width:98px; height:98px; object-fit:cover; border-radius:18px; border:1px solid var(--line)}
    .image-strip{display:grid; grid-template-columns:1fr 1fr; gap:12px}
    .image-strip img{border-radius:20px; border:1px solid var(--line); box-shadow:0 12px 26px rgba(78,41,18,.08)}
    .scroll-top{cursor:pointer}
    .anchor-space{scroll-margin-top:92px}
    .subtle{color:var(--muted)}
    .article-list{display:grid; gap:12px}
    .article-item{
      display:flex; justify-content:space-between; gap:16px; align-items:center;
      padding:16px 18px; border-radius:18px; border:1px solid var(--line); background:#fff;
    }
    .article-item span{color:var(--muted); font-size:14px}
    .service-map{display:grid; grid-template-columns:repeat(5,1fr); gap:12px}
    .service-map div{padding:14px; background:#fff; border:1px solid var(--line); border-radius:16px; text-align:center; color:#444b5c}
    .price-box{background:linear-gradient(180deg,#fff, #fff5ef); border:1px solid var(--line); border-radius:24px; padding:22px}
    .price-row{display:grid; grid-template-columns:repeat(3,1fr); gap:12px}
    .price{
      padding:16px; background:#fff; border-radius:18px; border:1px solid var(--line)
    }
    .price strong{display:block; font-size:22px}
    .animate-in{opacity:0; transform:translateY(16px); transition:opacity .6s ease, transform .6s ease}
    .animate-in.show{opacity:1; transform:translateY(0)}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-4,.reviews,.news-list,.footer-grid,.form-grid,.service-map,.price-row{grid-template-columns:1fr}
      .section-head{flex-direction:column; align-items:flex-start}
      .nav-toggle{display:inline-flex}
      .nav-links{
        position:absolute; left:16px; right:16px; top:76px; background:#fff; border:1px solid var(--line); border-radius:22px;
        padding:12px; box-shadow:0 16px 40px rgba(44,25,14,.12); display:none;
      }
      .nav-links.open{display:flex}
      .nav-bar{position:relative}
    }
    @media (max-width: 640px){
      section{padding:54px 0}
      .hero-card{padding:24px}
      .metric-grid{grid-template-columns:1fr}
      .image-strip{grid-template-columns:1fr}
      .container{width:min(var(--container), calc(100% - 24px))}
    }