:root{
      --bg:#f7f4ef;
      --bg2:#fffaf5;
      --card:#ffffff;
      --text:#182230;
      --muted:#5f6b7c;
      --line:#e7dfd4;
      --primary:#245dff;
      --primary2:#ff5a7a;
      --accent:#ff8a3d;
      --accent2:#13b8a6;
      --shadow:0 16px 40px rgba(24,34,48,.08);
      --shadow2:0 12px 26px rgba(36,93,255,.12);
      --radius:22px;
      --radius2:16px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at top left, rgba(36,93,255,.10), transparent 24%),
        radial-gradient(circle at 85% 15%, rgba(255,90,122,.10), transparent 20%),
        linear-gradient(180deg,var(--bg2),var(--bg));
      line-height:1.7;
      overflow-x:hidden;
    }
    a{color:var(--primary);text-decoration:none}
    img{max-width:100%;display:block}
    .container{width:min(100% - 32px, var(--container));margin:0 auto}
    header{
      position:sticky;top:0;z-index:50;
      backdrop-filter:saturate(1.2) blur(14px);
      background:rgba(247,244,239,.86);
      border-bottom:1px solid rgba(231,223,212,.75);
    }
    .nav{
      display:flex;align-items:center;justify-content:space-between;gap:18px;
      padding:14px 0;
    }
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .ai-page-logo{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 8px 18px rgba(24,34,48,.08)}
    .brand-text{min-width:0}
    .brand-text strong{display:block;font-size:16px;letter-spacing:.5px}
    .brand-text span{display:block;font-size:12px;color:var(--muted)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .nav-links{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end;
    }
    .nav-links a{
      color:var(--text);font-size:14px;padding:8px 10px;border-radius:999px;
    }
    .nav-links a:hover,.nav-links a:focus-visible{background:rgba(36,93,255,.08);color:var(--primary)}
    .btn{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:0;border-radius:999px;padding:12px 18px;font-weight:700;
      cursor:pointer;transition:transform .2s ease, box-shadow .2s ease, background .2s ease;
      box-shadow:var(--shadow2);
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{background:linear-gradient(135deg,var(--primary),#6a42ff);color:#fff}
    .btn-secondary{background:#fff;color:var(--text);border:1px solid var(--line);box-shadow:none}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:14px;padding:10px 12px;cursor:pointer}
    .mobile-panel{display:none;padding:0 0 14px}
    .mobile-panel.open{display:block}
    .mobile-panel .nav-links{justify-content:flex-start;padding:8px 0 14px}
    .hero{
      padding:42px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:stretch;
    }
    .hero-card{
      position:relative;overflow:hidden;
      background:
        linear-gradient(135deg, rgba(36,93,255,.08), rgba(255,90,122,.08)),
        linear-gradient(180deg,#fff, #fffaf7);
      border:1px solid rgba(231,223,212,.9);
      border-radius:28px;
      padding:34px;
      box-shadow:var(--shadow);
    }
    .hero-card::before,.hero-card::after{
      content:"";position:absolute;border-radius:999px;filter:blur(10px);opacity:.75;pointer-events:none;
    }
    .hero-card::before{width:160px;height:160px;right:-50px;top:-36px;background:rgba(36,93,255,.12)}
    .hero-card::after{width:120px;height:120px;right:40px;bottom:-40px;background:rgba(255,90,122,.12)}
    .eyebrow{
      display:inline-flex;align-items:center;gap:8px;
      background:rgba(36,93,255,.08);color:var(--primary);
      border:1px solid rgba(36,93,255,.12);padding:7px 12px;border-radius:999px;
      font-size:13px;font-weight:700;
    }
    h1{margin:16px 0 12px;font-size:clamp(32px, 5vw, 56px);line-height:1.08;letter-spacing:-.02em}
    .lead{margin:0 0 22px;color:var(--muted);font-size:16px;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;margin-top:18px}
    .hero-points{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px;margin-top:26px}
    .mini-stat{
      background:rgba(255,255,255,.88);border:1px solid rgba(231,223,212,.9);
      border-radius:18px;padding:14px 15px;box-shadow:0 10px 20px rgba(24,34,48,.05)
    }
    .mini-stat strong{display:block;font-size:18px}
    .mini-stat span{font-size:12px;color:var(--muted)}
    .hero-side{
      display:grid;gap:16px;
    }
    .side-card{
      background:var(--card);border:1px solid rgba(231,223,212,.9);border-radius:24px;padding:22px;box-shadow:var(--shadow)
    }
    .side-title{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:12px}
    .side-title h2{margin:0;font-size:18px}
    .pill-list{display:flex;flex-wrap:wrap;gap:10px}
    .pill{
      display:inline-flex;align-items:center;padding:8px 12px;border-radius:999px;
      background:#f5f7ff;border:1px solid rgba(36,93,255,.10);color:#22345c;font-size:13px
    }
    section{padding:18px 0}
    .section-head{
      display:flex;align-items:end;justify-content:space-between;gap:18px;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:66ch}
    .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(--card);border:1px solid rgba(231,223,212,.92);border-radius:var(--radius);
      padding:22px;box-shadow:0 10px 26px rgba(24,34,48,.05);transition:transform .2s ease, box-shadow .2s ease
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p{margin:0;color:var(--muted)}
    .metric{
      display:flex;flex-direction:column;gap:8px;min-height:160px;justify-content:space-between
    }
    .metric strong{font-size:34px;line-height:1}
    .metric small{color:var(--muted)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{
      padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:#344055
    }
    .service-list,.timeline,.steps{display:grid;gap:14px}
    .service-item,.step-item,.timeline-item{
      display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px
    }
    .badge{
      flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;
      width:36px;height:36px;border-radius:12px;background:linear-gradient(135deg, rgba(36,93,255,.14), rgba(255,90,122,.14));color:var(--primary);font-weight:800
    }
    .service-item h3,.step-item h3,.timeline-item h3{margin:0 0 6px;font-size:17px}
    .service-item p,.step-item p,.timeline-item p{margin:0;color:var(--muted)}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:0 8px 20px rgba(24,34,48,.04)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 14px;border-bottom:1px solid #efe8df;text-align:left;vertical-align:top}
    th{background:#fbf8f4;font-size:14px}
    tr:hover td{background:#fffcf8}
    .score{font-size:20px;font-weight:800;color:var(--primary)}
    .compare-banner{
      display:grid;grid-template-columns:1fr auto;gap:16px;align-items:center;
      background:linear-gradient(135deg, rgba(36,93,255,.08), rgba(255,138,61,.10));border:1px solid rgba(36,93,255,.12);border-radius:24px;padding:22px
    }
    .compare-banner strong{font-size:18px}
    .reviews{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .review{
      background:#fff;border:1px solid var(--line);border-radius:22px;padding:20px
    }
    .review .meta{display:flex;justify-content:space-between;gap:12px;margin-bottom:10px;color:var(--muted);font-size:13px}
    .stars{color:#ffb400;font-size:14px;letter-spacing:1px}
    details{
      background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px
    }
    details+details{margin-top:12px}
    summary{cursor:pointer;font-weight:700;list-style:none}
    summary::-webkit-details-marker{display:none}
    .faq p{margin:10px 0 0;color:var(--muted)}
    .news-list{display:grid;gap:12px}
    .news-item{
      display:flex;justify-content:space-between;gap:14px;align-items:center;padding:16px 18px;
      border:1px solid var(--line);border-radius:18px;background:#fff
    }
    .news-item span{color:var(--muted);font-size:13px}
    .contact-grid{display:grid;grid-template-columns:1fr .9fr;gap:16px}
    form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    label{font-weight:700;font-size:14px}
    input,select,textarea{
      width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;
      font:inherit;background:#fff;color:var(--text);outline:none
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(36,93,255,.55);box-shadow:0 0 0 4px rgba(36,93,255,.08)}
    textarea{min-height:120px;resize:vertical}
    .footer-top{
      display:grid;grid-template-columns:1.1fr .9fr;gap:16px
    }
    footer{
      margin-top:16px;
      background:#1c2431;color:#dbe4f3;
      border-top:1px solid rgba(255,255,255,.08);
    }
    footer .container{padding:26px 0}
    footer a{color:#9fd2ff}
    .footer-card{
      background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);border-radius:22px;padding:20px
    }
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a,.footer-links span{background:rgba(255,255,255,.06);padding:8px 12px;border-radius:999px}
    .footer-bottom{display:flex;justify-content:space-between;gap:12px;align-items:center;padding-top:18px;margin-top:18px;border-top:1px solid rgba(255,255,255,.08);font-size:13px;color:#b7c3d6}
    .float-tools{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      border:0;cursor:pointer;text-align:center;border-radius:16px;padding:12px 14px;
      box-shadow:var(--shadow2);font-weight:800
    }
    .float-tools a{background:linear-gradient(135deg,var(--primary2),#ff8b3d);color:#fff}
    .float-tools button{background:#fff;color:var(--text);border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .reveal.visible{opacity:1;transform:translateY(0)}
    .divider{height:1px;background:linear-gradient(90deg, transparent, rgba(231,223,212,.95), transparent);margin:10px 0 0}
    .two-col{display:grid;grid-template-columns:1fr 1fr;gap:16px}
    .image-grid{display:grid;grid-template-columns:repeat(3, minmax(0,1fr));gap:12px}
    .image-grid img{border-radius:18px;border:1px solid var(--line);background:#fff;aspect-ratio:1/1;object-fit:cover}
    .wide-images{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    .wide-images img{border-radius:18px;border:1px solid var(--line);object-fit:cover;aspect-ratio:16/9}
    .center-note{text-align:center;color:var(--muted)}
    @media (max-width: 1080px){
      .hero-grid,.contact-grid,.footer-top,.grid-3,.reviews,.two-col,.grid-2{grid-template-columns:1fr}
      .hero-points{grid-template-columns:1fr}
      .image-grid,.wide-images{grid-template-columns:1fr}
    }
    @media (max-width: 860px){
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .section-head{flex-direction:column;align-items:flex-start}
      .compare-banner{grid-template-columns:1fr}
    }
    @media (max-width: 560px){
      .hero-card{padding:24px}
      h1{font-size:30px}
      .btn{width:100%}
      .hero-actions{flex-direction:column;align-items:stretch}
      .nav{padding:12px 0}
      .brand-text span{display:none}
      .float-tools{right:12px;bottom:12px}
      .float-tools a,.float-tools button{padding:11px 12px}
    }