:root{
      --bg:#f6f3ee;
      --panel:#fffdfa;
      --panel-2:#fff8f1;
      --text:#243041;
      --muted:#5f6b7c;
      --line:#e8ddcf;
      --brand:#6a5cff;
      --brand2:#11b7a6;
      --brand3:#ff8a5b;
      --shadow:0 18px 40px rgba(58, 49, 84, .08);
      --shadow2:0 10px 24px rgba(58, 49, 84, .12);
      --radius:22px;
      --radius2:16px;
      --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 12% 0%, rgba(106,92,255,.12), transparent 26%),
        radial-gradient(circle at 88% 8%, rgba(17,183,166,.10), transparent 24%),
        linear-gradient(180deg, #fcfaf7 0%, var(--bg) 100%);
      overflow-x:hidden;
    }
    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:1000;
      backdrop-filter: blur(14px);
      background:rgba(252,250,247,.78);
      border-bottom:1px solid rgba(232,221,207,.8);
    }
    .header-inner{
      display:flex;align-items:center;justify-content:space-between;gap:16px;
      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;box-shadow:0 8px 20px rgba(0,0,0,.06)
    }
    .brand h1,.brand .brand-title{
      margin:0;font-size:18px;line-height:1.2;white-space:nowrap
    }
    .brand small{display:block;color:var(--muted);font-size:12px;margin-top:2px}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:12px;color:var(--text)}
    .nav{
      display:flex;align-items:center;gap:10px;flex-wrap:wrap;justify-content:flex-end
    }
    .nav a{
      font-size:14px;color:var(--text);padding:9px 11px;border-radius:999px;transition:.2s ease;
    }
    .nav a:hover,.nav a.active{background:rgba(106,92,255,.10);color:#3d34a8}
    .cta{
      display:inline-flex;align-items:center;justify-content:center;gap:8px;
      border:none;border-radius:999px;padding:12px 18px;font-weight:700;
      background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;
      box-shadow:0 14px 28px rgba(106,92,255,.22);transition:.22s ease;
    }
    .cta:hover{transform:translateY(-1px);box-shadow:0 18px 30px rgba(106,92,255,.28)}
    .ghost{
      display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;
      border:1px solid var(--line);background:#fff;color:var(--text);font-weight:700;
    }
    .hero{
      padding:38px 0 18px;
    }
    .hero-grid{
      display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch;
    }
    .hero-card,.panel{
      background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,250,244,.92));
      border:1px solid rgba(232,221,207,.9);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .hero-card{padding:30px;position:relative;overflow:hidden}
    .hero-card::before,.hero-card::after{
      content:"";position:absolute;border-radius:50%;pointer-events:none
    }
    .hero-card::before{width:220px;height:220px;right:-80px;top:-70px;background:radial-gradient(circle, rgba(106,92,255,.16), transparent 62%)}
    .hero-card::after{width:180px;height:180px;right:70px;bottom:-70px;background:radial-gradient(circle, rgba(17,183,166,.13), transparent 64%)}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border-radius:999px;background:rgba(17,183,166,.10);color:#0e7f74;font-weight:700;font-size:13px}
    .hero h1{font-size:clamp(30px,5vw,52px);line-height:1.06;margin:14px 0 14px;letter-spacing:-.02em}
    .hero p{margin:0;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .point{
      background:rgba(255,255,255,.85);border:1px solid rgba(232,221,207,.85);
      border-radius:18px;padding:14px 14px 13px;
    }
    .point strong{display:block;font-size:18px;color:#192132}
    .point span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.5}
    .hero-side{display:grid;gap:16px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .mini{
      padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff8ef);
      border:1px solid var(--line)
    }
    .mini b{display:block;font-size:20px}
    .mini span{display:block;margin-top:6px;color:var(--muted);font-size:13px;line-height:1.55}
    .side-visual{
      padding:18px;display:grid;gap:12px
    }
    .chip-row{display:flex;flex-wrap:wrap;gap:8px}
    .chip{padding:7px 10px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:12px;color:#445065}
    section{padding:20px 0}
    .section-head{
      display:flex;align-items:flex-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:68ch;line-height:1.7}
    .grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    .card{
      background:rgba(255,255,255,.88);border:1px solid rgba(232,221,207,.92);
      border-radius:20px;padding:18px;box-shadow:0 10px 24px rgba(58,49,84,.05);
      transition:transform .2s ease, box-shadow .2s ease;
    }
    .card:hover{transform:translateY(-3px);box-shadow:var(--shadow2)}
    .stat{padding:20px}
    .stat .label{color:var(--muted);font-size:13px}
    .stat .value{font-size:28px;font-weight:800;margin:10px 0 6px}
    .stat .desc{color:var(--muted);line-height:1.65;font-size:14px}
    .service-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .service-item h3,.case h3,.faq-item summary,.review h3{margin:0 0 8px;font-size:18px}
    .service-item p,.case p,.review p,.faq-content p{margin:0;color:var(--muted);line-height:1.75}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:linear-gradient(135deg,#fff,#fff6ed);border:1px solid var(--line);font-size:13px}
    .timeline{display:grid;gap:12px}
    .step{
      display:grid;grid-template-columns:66px 1fr;gap:14px;align-items:flex-start;padding:18px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .step .num{
      width:66px;height:66px;border-radius:18px;display:grid;place-items:center;font-weight:800;font-size:18px;color:#fff;
      background:linear-gradient(135deg,var(--brand),var(--brand3));
    }
    .step h3{margin:0 0 6px;font-size:17px}
    .table-wrap{overflow-x:auto;border-radius:20px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:15px 14px;border-bottom:1px solid #f0e6da;text-align:left;vertical-align:top}
    th{background:#fff8f0;font-size:14px}
    td{color:#364152;line-height:1.7}
    .rating{display:flex;align-items:center;gap:8px;font-weight:800}
    .stars{color:#ff9c43;letter-spacing:2px}
    .faq{display:grid;gap:10px}
    .faq-item{
      border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden
    }
    .faq-item summary{
      list-style:none;cursor:pointer;padding:18px 18px 18px 48px;position:relative;font-size:16px
    }
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item summary:before{
      content:"+";position:absolute;left:18px;top:16px;width:22px;height:22px;border-radius:50%;
      display:grid;place-items:center;background:rgba(106,92,255,.10);color:#4a3ee0;font-weight:700
    }
    .faq-item[open] summary:before{content:"–"}
    .faq-content{padding:0 18px 18px 48px}
    .reviews .review{height:100%}
    .review .role{display:inline-flex;padding:7px 10px;border-radius:999px;background:rgba(17,183,166,.10);color:#0d7b70;font-size:12px;margin-bottom:10px}
    .articles{display:grid;gap:12px}
    .article{
      display:flex;justify-content:space-between;gap:16px;align-items:center;padding:16px 18px;border-radius:18px;background:#fff;border:1px solid var(--line)
    }
    .article .meta{color:var(--muted);font-size:13px;margin-top:5px}
    .article .arrow{font-size:20px;color:#7b6ef6}
    .form-card{padding:22px}
    form{display:grid;gap:14px}
    .form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
    label{display:grid;gap:8px;font-weight:600;font-size:14px}
    input,select,textarea{
      width:100%;border:1px solid #dcd2c3;background:#fff;border-radius:14px;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:#8f7ff7;box-shadow:0 0 0 4px rgba(106,92,255,.10)}
    textarea{min-height:128px;resize:vertical}
    .footer{
      margin-top:8px;padding:26px 0 36px;border-top:1px solid rgba(232,221,207,.9);background:rgba(251,248,243,.92)
    }
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px;align-items:start}
    .footer p,.footer a,.footer li{color:#455064}
    .footer h3,.footer h4{margin:0 0 10px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{padding:8px 10px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .fine{margin-top:18px;padding-top:14px;border-top:1px solid #e9dfd0;color:#6a7486;font-size:13px;line-height:1.7}
    .float-tools{
      position:fixed;right:14px;bottom:14px;z-index:1200;display:grid;gap:10px
    }
    .float-tools a,.float-tools button{
      width:48px;height:48px;border-radius:16px;border:1px solid rgba(232,221,207,.9);background:#fff;box-shadow:0 12px 28px rgba(58,49,84,.12);
      display:grid;place-items:center;cursor:pointer;color:#2f3a4d
    }
    .panel{padding:18px}
    .qr-wrap{display:grid;grid-template-columns:96px 1fr;gap:14px;align-items:center}
    .qr-wrap img{width:96px;height:96px;object-fit:cover;border-radius:14px;border:1px solid var(--line)}
    .split{
      display:grid;grid-template-columns:1fr 1fr;gap:14px
    }
    .compare-notes{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .note{padding:16px;border-radius:18px;background:#fff;border:1px solid var(--line)}
    .note b{display:block;margin-bottom:6px}
    .banner-images{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
    .banner-images img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;border:1px solid var(--line);box-shadow:var(--shadow)}
    .fade-up{opacity:0;transform:translateY(18px);transition:opacity .6s ease, transform .6s ease}
    .fade-up.in{opacity:1;transform:none}
    @media (max-width: 1024px){
      .hero-grid,.footer-grid,.grid-4,.service-list,.grid-3,.grid-2,.split,.banner-images{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
    }
    @media (max-width: 768px){
      .nav-toggle{display:inline-grid;place-items:center}
      .nav{display:none;position:absolute;left:16px;right:16px;top:68px;padding:12px;background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--shadow);justify-content:flex-start}
      .nav.open{display:flex}
      .header-inner{position:relative}
      .hero{padding-top:18px}
      .hero-grid,.footer-grid,.grid-4,.service-list,.grid-3,.grid-2,.split,.banner-images,.compare-notes,.form-grid,.mini-grid{grid-template-columns:1fr}
      .section-head{flex-direction:column;align-items:flex-start}
      .article{flex-direction:column;align-items:flex-start}
      .step{grid-template-columns:1fr}
      .step .num{width:56px;height:56px;border-radius:16px}
      table{min-width:780px}
    }