:root{
      --bg:#fffaf5;
      --panel:#ffffff;
      --panel-2:#fff4e8;
      --text:#1f2430;
      --muted:#5f6778;
      --line:#eadfd2;
      --brand:#ff4d4f;
      --brand2:#ff8a00;
      --brand3:#6b5cff;
      --shadow:0 18px 40px rgba(33, 38, 54, .08);
      --shadow2:0 10px 24px rgba(255, 77, 79, .18);
      --radius:20px;
      --radius2:28px;
      --max:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      font-family: -apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",Arial,sans-serif;
      background:
        radial-gradient(circle at 10% 10%, rgba(255,138,0,.14), transparent 26%),
        radial-gradient(circle at 90% 18%, rgba(107,92,255,.13), transparent 22%),
        linear-gradient(180deg, #fffaf5 0%, #fffdfb 40%, #fff7ef 100%);
      color:var(--text);
      line-height:1.65;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%;height:auto}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    .site-header{
      position:sticky; top:0; z-index:50;
      backdrop-filter:saturate(180%) blur(14px);
      background:rgba(255,250,245,.88);
      border-bottom:1px solid rgba(234,223,210,.8);
    }
    .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; box-shadow:0 8px 18px rgba(0,0,0,.06)}
    .brand strong{display:block; font-size:18px; letter-spacing:.5px}
    .brand span{display:block; font-size:12px; color:var(--muted)}
    .nav-links{display:flex; flex-wrap:wrap; align-items:center; justify-content:flex-end; gap:14px}
    .nav-links a{font-size:14px; color:#2a3140; padding:8px 10px; border-radius:999px; transition:.2s}
    .nav-links a:hover{background:#fff; 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:1px solid transparent; border-radius:999px;
      padding:12px 18px; font-weight:700; font-size:14px; transition:.22s ease;
      cursor:pointer; white-space:nowrap;
    }
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:var(--shadow2)}
    .btn-primary:hover{transform:translateY(-2px); filter:saturate(1.05)}
    .btn-light{background:#fff; border-color:var(--line); color:var(--text)}
    .btn-light:hover{border-color:var(--brand); color:var(--brand); transform:translateY(-2px)}
    .menu-toggle{display:none; background:#fff; border:1px solid var(--line); border-radius:12px; width:44px; height:44px}
    .menu-toggle span{display:block; width:18px; height:2px; background:var(--text); margin:4px auto; border-radius:2px}
    main{display:block}
    section{padding:54px 0}
    .hero{padding:40px 0 30px}
    .hero-grid{
      display:grid; grid-template-columns:1.15fr .85fr; gap:22px; align-items:stretch;
    }
    .hero-card{
      position:relative; overflow:hidden;
      background:
        linear-gradient(135deg, rgba(255,77,79,.96), rgba(255,138,0,.95) 48%, rgba(107,92,255,.95));
      color:#fff; border-radius:var(--radius2); box-shadow:var(--shadow);
      padding:34px;
    }
    .hero-card:before,.hero-card:after{
      content:""; position:absolute; border-radius:50%; pointer-events:none;
      background:rgba(255,255,255,.12);
    }
    .hero-card:before{width:260px;height:260px;right:-100px;top:-70px}
    .hero-card:after{width:180px;height:180px;right:120px;bottom:-80px}
    .eyebrow{display:inline-flex; align-items:center; gap:8px; font-size:13px; font-weight:700; letter-spacing:.08em; text-transform:uppercase}
    .eyebrow .dot{width:8px;height:8px;border-radius:50%; background:#fff}
    h1{margin:14px 0 14px; font-size:clamp(30px, 4vw, 54px); line-height:1.08; letter-spacing:-.02em}
    .hero p{margin:0; max-width:58ch; font-size:16px; color:rgba(255,255,255,.92)}
    .hero-actions{display:flex; flex-wrap:wrap; gap:12px; margin-top:22px}
    .hero-meta{display:grid; grid-template-columns:repeat(3,1fr); gap:12px; margin-top:24px}
    .meta{
      background:rgba(255,255,255,.14); border:1px solid rgba(255,255,255,.16); border-radius:18px;
      padding:14px 14px 12px;
    }
    .meta b{display:block; font-size:20px; margin-bottom:4px}
    .meta span{font-size:12px; color:rgba(255,255,255,.85)}
    .hero-side{
      display:grid; gap:14px;
    }
    .side-card{
      background:rgba(255,255,255,.78); backdrop-filter:blur(10px);
      border:1px solid rgba(234,223,210,.9); border-radius:var(--radius2);
      padding:22px; box-shadow:var(--shadow);
    }
    .side-card h2{margin:0 0 10px; font-size:20px}
    .side-card p,.side-card li{color:var(--muted); font-size:14px}
    .pill-cloud{display:flex; flex-wrap:wrap; gap:10px}
    .pill{padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); font-size:13px}
    .section-title{display:flex; flex-direction:column; gap:10px; margin-bottom:20px}
    .section-title h2{margin:0; font-size:28px; line-height:1.15}
    .section-title p{margin:0; color:var(--muted); max-width:68ch}
    .grid-4{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .card{
      background:var(--panel); border:1px solid rgba(234,223,210,.9); border-radius:22px;
      padding:20px; box-shadow:0 12px 28px rgba(25,30,45,.05);
      transition:transform .22s ease, box-shadow .22s ease, border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px); box-shadow:var(--shadow); border-color:#f1b29f}
    .card h3{margin:0 0 10px; font-size:18px}
    .card p{margin:0; color:var(--muted); font-size:14px}
    .stat{font-size:30px; font-weight:800; line-height:1; margin-bottom:8px; background:linear-gradient(135deg,var(--brand),var(--brand2)); -webkit-background-clip:text; background-clip:text; color:transparent}
    .split{display:grid; grid-template-columns:1fr 1fr; gap:18px; align-items:start}
    .table-wrap{overflow:auto; border-radius:22px; border:1px solid var(--line); background:#fff}
    table{width:100%; border-collapse:collapse; min-width:780px}
    th,td{padding:14px 16px; text-align:left; border-bottom:1px solid #f2e8de; font-size:14px; vertical-align:top}
    th{background:#fff7f0; color:#2a3140}
    tr:hover td{background:#fffdf9}
    .badge{display:inline-flex; align-items:center; gap:6px; padding:6px 10px; border-radius:999px; font-size:12px; font-weight:700}
    .badge.ok{background:#fff1f0; color:#c92b2b}
    .badge.warm{background:#fff4df; color:#bb6b00}
    .badge.blue{background:#eef2ff; color:#4b52c9}
    .step-list{display:grid; grid-template-columns:repeat(4,1fr); gap:16px}
    .step{
      position:relative; padding:20px; border-radius:22px; background:linear-gradient(180deg,#fff,#fff9f3); border:1px solid var(--line)
    }
    .step .no{font-size:13px; font-weight:800; color:var(--brand)}
    .step h3{margin:10px 0 8px; font-size:18px}
    .step p{margin:0; color:var(--muted); font-size:14px}
    .carousel{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .quote{padding:22px; border-radius:22px; background:#fff; border:1px solid var(--line)}
    .quote .name{display:flex; justify-content:space-between; gap:10px; align-items:center; margin-bottom:10px}
    .quote strong{font-size:15px}
    .quote span{font-size:12px; color:var(--muted)}
    .quote p{margin:0; color:#40485a; font-size:14px}
    .faq{display:grid; gap:12px}
    details{background:#fff; border:1px solid var(--line); border-radius:18px; overflow:hidden}
    summary{list-style:none; cursor:pointer; padding:16px 18px; font-weight:700; display:flex; justify-content:space-between; gap:16px; align-items:center}
    summary::-webkit-details-marker{display:none}
    details[open]{box-shadow:var(--shadow)}
    details .answer{padding:0 18px 16px; color:var(--muted); font-size:14px}
    .articles{display:grid; grid-template-columns:repeat(3,1fr); gap:16px}
    .article h3{margin:10px 0 8px}
    .article .time{font-size:12px; color:var(--muted)}
    .form-grid{display:grid; grid-template-columns:1.05fr .95fr; gap:18px; align-items:start}
    form{display:grid; gap:12px}
    .field{display:grid; gap:6px}
    label{font-size:14px; font-weight:700}
    input,select,textarea{
      width:100%; border:1px solid var(--line); border-radius:14px; background:#fff; padding:13px 14px;
      font:inherit; color:var(--text); outline:none; transition:border-color .2s, box-shadow .2s;
    }
    textarea{min-height:120px; resize:vertical}
    input:focus,select:focus,textarea:focus{border-color:#ff9b4d; box-shadow:0 0 0 4px rgba(255,155,77,.14)}
    .contact-box{display:grid; gap:14px}
    .contact-item{padding:16px; border-radius:18px; background:#fff; border:1px solid var(--line)}
    .contact-item b{display:block; margin-bottom:4px}
    .image-grid{display:grid; grid-template-columns:1fr 1fr; gap:16px}
    .image-card{background:#fff; border:1px solid var(--line); border-radius:22px; padding:16px}
    .image-card .ai-page-image{border-radius:16px; width:100%; object-fit:cover}
    .footer-links{display:flex; flex-wrap:wrap; gap:10px}
    footer{
      padding:26px 0 30px; border-top:1px solid var(--line); background:#fffaf6; color:var(--text)
    }
    footer a{color:#2c3550}
    .footer-grid{display:grid; grid-template-columns:1.1fr .9fr; gap:18px; align-items:start}
    .small{font-size:13px; color:var(--muted)}
    .floating{
      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:48px; height:48px; border-radius:16px;
      background:linear-gradient(135deg,var(--brand),var(--brand2)); color:#fff; box-shadow:var(--shadow2);
      border:none; cursor:pointer;
    }
    .float-panel{
      width:min(320px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:20px; box-shadow:var(--shadow);
      padding:14px; display:none;
    }
    .floating.open .float-panel{display:block}
    .float-panel .qr{display:grid; grid-template-columns:84px 1fr; gap:12px; align-items:center}
    .float-panel img{width:84px; height:84px; object-fit:cover; border-radius:14px; border:1px solid var(--line)}
    .scroll-top{position:fixed; left:16px; bottom:16px; z-index:60; opacity:0; pointer-events:none; transform:translateY(8px); transition:.2s}
    .scroll-top.show{opacity:1; pointer-events:auto; transform:translateY(0)}
    .anchor-bar{
      display:flex; flex-wrap:wrap; gap:10px;
      background:rgba(255,255,255,.8); border:1px solid var(--line); border-radius:18px; padding:12px; box-shadow:var(--shadow);
      margin-top:18px;
    }
    .anchor-bar a{font-size:13px; padding:8px 10px; border-radius:999px; background:#fff; border:1px solid #f0e4d9}
    .muted-list{display:grid; gap:10px; margin:0; padding:0; list-style:none}
    .muted-list li{padding-left:18px; position:relative; color:var(--muted); font-size:14px}
    .muted-list li:before{content:""; width:7px; height:7px; border-radius:50%; background:linear-gradient(135deg,var(--brand),var(--brand2)); position:absolute; left:0; top:.7em}
    .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}
    .timeline{display:grid; gap:14px}
    .timeline .item{display:grid; grid-template-columns:90px 1fr; gap:14px; padding:16px; background:#fff; border:1px solid var(--line); border-radius:18px}
    .timeline .time{font-weight:800; color:var(--brand)}
    .timeline p{margin:0; color:var(--muted); font-size:14px}
    .mobile-menu{display:none}
    .reveal{opacity:0; transform:translateY(16px); transition:.55s ease}
    .reveal.in{opacity:1; transform:none}
    @media (max-width: 980px){
      .hero-grid,.split,.form-grid,.footer-grid{grid-template-columns:1fr}
      .grid-4,.step-list,.carousel,.articles,.image-grid{grid-template-columns:1fr 1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-grid; place-items:center}
      .mobile-menu{display:none; padding:0 0 16px}
      .mobile-menu.open{display:block}
      .mobile-menu .links{display:grid; gap:8px; padding:12px 0 0}
      .mobile-menu a{padding:10px 12px; background:#fff; border:1px solid var(--line); border-radius:12px}
    }
    @media (max-width: 680px){
      section{padding:44px 0}
      .hero{padding-top:24px}
      .hero-card{padding:24px}
      .hero-meta,.grid-4,.step-list,.carousel,.articles,.image-grid{grid-template-columns:1fr}
      h1{font-size:clamp(28px, 8vw, 40px)}
      .nav{padding:12px 0}
      .brand strong{font-size:16px}
      .btn{padding:11px 14px}
    }