:root{
      --bg:#f7f4ee;
      --bg2:#ffffff;
      --panel:#fffaf4;
      --line:#eadfce;
      --text:#243042;
      --muted:#607089;
      --brand1:#ff7a59;
      --brand2:#f8b84e;
      --brand3:#7a7cff;
      --brand4:#23c4b9;
      --shadow:0 18px 50px rgba(36,48,66,.08);
      --radius:22px;
      --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(255,122,89,.12), transparent 28%),
        radial-gradient(circle at top right, rgba(35,196,185,.10), transparent 22%),
        linear-gradient(180deg, #fffefb 0%, var(--bg) 100%);
    }
    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;background:rgba(255,250,244,.86);backdrop-filter:blur(14px);border-bottom:1px solid rgba(234,223,206,.8)}
    .nav{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:44px;height:44px;object-fit:contain;border-radius:12px;background:#fff;border:1px solid var(--line);padding:4px;box-shadow:0 8px 18px rgba(0,0,0,.05)}
    .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);margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
    .nav-links{display:flex;align-items:center;gap:14px;flex-wrap:wrap;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#3a4658;padding:8px 10px;border-radius:999px}
    .nav-links a:hover,.nav-links a:focus-visible{background:rgba(122,124,255,.10);outline:none}
    .nav-toggle{display:none;border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px;color:var(--text)}
    .hero{padding:44px 0 20px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-main,.hero-side,.section-card,.panel,.form-card{background:linear-gradient(180deg, rgba(255,255,255,.92), rgba(255,250,244,.92));border:1px solid rgba(234,223,206,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:#8a4d16;background:linear-gradient(90deg, rgba(255,122,89,.16), rgba(248,184,78,.16));border:1px solid rgba(255,122,89,.16);padding:8px 12px;border-radius:999px}
    h1{font-size:clamp(30px,5vw,54px);line-height:1.06;margin:18px 0 14px;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.85;color:var(--muted);max-width:58ch;margin:0}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:transform .2s ease,box-shadow .2s ease,background .2s ease}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(36,48,66,.12)}
    .btn-primary{background:linear-gradient(135deg,var(--brand1),var(--brand2));color:#fff}
    .btn-secondary{background:#fff;color:#314055;border-color:var(--line)}
    .hero-side{padding:22px;display:grid;gap:14px}
    .mini-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .mini-card{padding:16px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff8ef);border:1px solid rgba(234,223,206,.8)}
    .mini-card strong{display:block;font-size:18px}
    .mini-card span{display:block;color:var(--muted);font-size:13px;margin-top:6px;line-height:1.55}
    .stats{padding:10px 0 0;display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{padding:18px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px rgba(36,48,66,.05)}
    .stat b{font-size:28px;display:block;background:linear-gradient(90deg,var(--brand1),var(--brand3));-webkit-background-clip:text;background-clip:text;color:transparent}
    .stat p{margin:8px 0 0;color:var(--muted);font-size:13px;line-height:1.5}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:14px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{padding:20px;border-radius:20px;background:#fff;border:1px solid var(--line);box-shadow:0 10px 24px rgba(36,48,66,.05);transition:transform .2s ease,box-shadow .2s ease}
    .card:hover{transform:translateY(-3px);box-shadow:0 18px 36px rgba(36,48,66,.10)}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:linear-gradient(90deg, rgba(122,124,255,.10), rgba(35,196,185,.10));border:1px solid rgba(122,124,255,.14);font-size:13px;color:#334155}
    .flow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#fff8f2);border:1px solid var(--line);position:relative}
    .step:before{content:attr(data-step);position:absolute;right:16px;top:14px;font-size:12px;color:#b07a4f;font-weight:700}
    .step h3{margin:0 0 8px;font-size:18px}
    .step p{margin:0;color:var(--muted);line-height:1.7;font-size:14px}
    .table-wrap{overflow:auto;border-radius:20px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:16px 18px;border-bottom:1px solid #f0e7da;text-align:left;vertical-align:top}
    th{background:#fff9f2;font-size:14px}
    td{color:#39485d;font-size:14px;line-height:1.7}
    .rating{font-size:18px;font-weight:800;color:#d97706}
    details{background:#fff;border:1px solid var(--line);border-radius:16px;padding:0 16px;box-shadow:0 10px 24px rgba(36,48,66,.05)}
    details summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700}
    details summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted);line-height:1.75}
    .review-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px}
    .stars{color:#f59e0b;letter-spacing:2px}
    .reviews .card p{margin:0;color:var(--muted);line-height:1.8}
    .cases{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .case-thumb{border-radius:16px;overflow:hidden;border:1px solid var(--line);background:#f8f3ec;margin-bottom:14px}
    .case-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:14px;padding:16px 18px;border-radius:18px;border:1px solid var(--line);background:#fff}
    .article-item strong{display:block;margin-bottom:6px}
    .article-item span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .article-item em{font-style:normal;color:#8d5d2e;white-space:nowrap}
    .form-card{padding:22px}
    .form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .field{display:grid;gap:8px}
    .field.full{grid-column:1/-1}
    label{font-size:14px;font-weight:700}
    input,select,textarea{
      width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:13px 14px;
      color:var(--text);font:inherit;outline:none;transition:border-color .2s ease,box-shadow .2s ease
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(122,124,255,.6);box-shadow:0 0 0 4px rgba(122,124,255,.10)}
    textarea{min-height:120px;resize:vertical}
    .footer{margin-top:22px;padding:24px 0 28px;background:#faf6ef;border-top:1px solid var(--line);color:#334155}
    .footer a{color:#2e4a7d}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:18px}
    .footer small{color:#64748b}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px}
    .foot-links a,.home-badge{display:inline-flex;align-items:center;padding:8px 11px;border-radius:999px;background:#fff;border:1px solid var(--line)}
    .kefu{
      position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px
    }
    .float-btn{display:inline-flex;align-items:center;justify-content:center;width:52px;height:52px;border-radius:16px;background:linear-gradient(135deg,var(--brand3),var(--brand4));color:#fff;box-shadow:0 14px 30px rgba(35,196,185,.24);border:none;cursor:pointer}
    .float-panel{width:220px;padding:14px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);display:none}
    .float-panel img{border-radius:12px;border:1px solid var(--line)}
    .float-panel p{margin:10px 0 0;font-size:13px;color:var(--muted);line-height:1.65}
    .scroll-top{position:fixed;left:16px;bottom:16px;z-index:60;display:none}
    .reveal{opacity:0;transform:translateY(14px);transition:opacity .55s ease,transform .55s ease}
    .reveal.show{opacity:1;transform:none}
    .rating-card{padding:22px;background:linear-gradient(135deg, rgba(255,122,89,.08), rgba(122,124,255,.08), rgba(35,196,185,.08));border:1px solid rgba(122,124,255,.12);border-radius:22px}
    .rating-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px}
    .pill{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px}
    .service-network{display:grid;grid-template-columns:repeat(6,1fr);gap:10px}
    .service-network .tag{text-align:center}
    .top-anchor{display:inline-flex;align-items:center;gap:8px;font-size:13px}
    @media (max-width: 1080px){
      .hero-grid,.grid-3,.cases,.flow,.stats,.footer-grid,.grid-2,.service-network{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .nav-toggle{display:inline-flex}
      .nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:72px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav{position:relative}
    }
    @media (max-width: 720px){
      .hero{padding-top:26px}
      .hero-main,.hero-side,.form-card{padding:20px}
      .hero-grid,.grid-3,.cases,.flow,.stats,.footer-grid,.grid-2,.form-grid,.service-network,.mini-grid{grid-template-columns:1fr}
      h1{font-size:clamp(28px,9vw,40px)}
      .section-head{flex-direction:column;align-items:flex-start}
      .article-item{flex-direction:column}
      .scroll-top{left:14px;bottom:14px}
      .kefu{right:14px;bottom:14px}
    }