:root{
      --bg:#fff7f8;
      --bg2:#fff;
      --card:#ffffff;
      --line:#f2d7dd;
      --text:#2c2430;
      --muted:#6d5b67;
      --primary:#d93d7f;
      --primary2:#ff7aa8;
      --accent:#7d3cff;
      --shadow:0 18px 40px rgba(197, 79, 120, .12);
      --radius:20px;
      --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 top left, rgba(255,122,168,.16), transparent 26%),
        radial-gradient(circle at top right, rgba(125,60,255,.10), transparent 24%),
        linear-gradient(180deg, #fff9fb 0%, #fff 36%, #fff7f8 100%);
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    header, main, footer{position:relative}
    .topbar{
      position:sticky; top:0; z-index:20;
      backdrop-filter:saturate(180%) blur(16px);
      background:rgba(255,250,251,.82);
      border-bottom:1px solid rgba(242,215,221,.85);
    }
    .nav{
      display:flex; align-items:center; justify-content:space-between; gap:16px;
      min-height:74px;
    }
    .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:6px; box-shadow:0 8px 20px rgba(0,0,0,.04);
    }
    .brand strong{display:block; font-size:18px; letter-spacing:.2px}
    .brand span{display:block; font-size:12px; color:var(--muted)}
    .navlinks{
      display:flex; align-items:center; gap:18px; flex-wrap:wrap; justify-content:center;
      font-size:14px;
    }
    .navlinks a{color:#4d3d46; padding:8px 0; position:relative}
    .navlinks a:after{
      content:""; position:absolute; left:0; bottom:2px; width:100%; height:2px;
      background:linear-gradient(90deg,var(--primary),var(--primary2)); transform:scaleX(0);
      transform-origin:left; transition:.25s ease;
    }
    .navlinks a:hover:after,.navlinks a:focus-visible:after{transform:scaleX(1)}
    .nav-actions{display:flex; align-items:center; gap:10px}
    .btn{
      border:0; cursor:pointer; border-radius:999px; padding:12px 18px;
      font-weight:700; font-size:14px; transition:.25s ease; display:inline-flex; align-items:center; justify-content:center; gap:8px;
      box-shadow:0 10px 24px rgba(217,61,127,.14);
    }
    .btn-primary{
      color:#fff; background:linear-gradient(135deg,var(--primary),#ff5fa0 55%,#ff8db4);
    }
    .btn-secondary{
      color:var(--primary); background:#fff; border:1px solid rgba(217,61,127,.22);
    }
    .btn:hover{transform:translateY(-2px); box-shadow:0 14px 28px rgba(217,61,127,.18)}
    .menu-toggle{display:none}
    .hero{
      padding:52px 0 26px;
    }
    .hero-grid{
      display:grid; grid-template-columns:1.2fr .8fr; gap:22px; align-items:stretch;
    }
    .hero-copy{
      padding:34px; border:1px solid rgba(242,215,221,.95); border-radius:28px; background:
        linear-gradient(135deg, rgba(255,255,255,.92), rgba(255,245,248,.94)),
        radial-gradient(circle at top right, rgba(255,122,168,.14), transparent 34%);
      box-shadow:var(--shadow);
      overflow:hidden; position:relative;
    }
    .hero-copy:before{
      content:""; position:absolute; inset:auto -80px -80px auto; width:220px; height:220px; border-radius:50%;
      background:radial-gradient(circle, rgba(255,122,168,.24), transparent 68%);
    }
    .eyebrow{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
      background:rgba(217,61,127,.08); color:#9c2958; font-size:13px; font-weight:700;
      border:1px solid rgba(217,61,127,.14);
    }
    h1{margin:16px 0 12px; font-size:clamp(32px, 5vw, 54px); line-height:1.06; letter-spacing:-.04em}
    .lead{margin:0; color:var(--muted); font-size:16px; line-height:1.8; max-width:62ch}
    .hero-cta{display:flex; flex-wrap:wrap; gap:12px; margin-top:24px}
    .mini-links{display:flex; flex-wrap:wrap; gap:10px; margin-top:18px}
    .chip{
      padding:8px 12px; border-radius:999px; background:#fff; border:1px solid var(--line);
      color:#5f4c57; font-size:13px
    }
    .hero-side{
      display:grid; gap:14px;
    }
    .panel{
      border-radius:24px; background:linear-gradient(180deg,#fff, #fff7fa);
      border:1px solid rgba(242,215,221,.95); box-shadow:var(--shadow); padding:22px;
    }
    .stats{
      display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px;
    }
    .stat{
      padding:18px; border-radius:18px; background:#fff; border:1px solid var(--line);
    }
    .stat strong{display:block; font-size:28px; line-height:1; color:#a52356}
    .stat span{display:block; margin-top:8px; color:var(--muted); font-size:13px; line-height:1.5}
    .section{padding:26px 0}
    .section h2{
      margin:0 0 12px; font-size:clamp(24px, 3vw, 34px); line-height:1.2;
    }
    .section p.section-intro{margin:0 0 18px; color:var(--muted); line-height:1.8}
    .grid-3{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:16px}
    .grid-4{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:16px}
    .card{
      background:var(--card); border:1px solid var(--line); border-radius:22px; padding:20px;
      box-shadow:0 12px 28px rgba(154,80,111,.08); transition:.25s ease;
    }
    .card:hover{transform:translateY(-3px); box-shadow:0 16px 34px rgba(154,80,111,.12)}
    .card h3{margin:0 0 8px; font-size:18px}
    .card p{margin:0; color:var(--muted); line-height:1.75}
    .icon{
      width:42px; height:42px; border-radius:14px; display:grid; place-items:center;
      background:linear-gradient(135deg, rgba(217,61,127,.12), rgba(125,60,255,.10));
      color:var(--primary); font-weight:800; margin-bottom:14px;
    }
    .workflow{display:grid; grid-template-columns:repeat(4, minmax(0,1fr)); gap:14px}
    .step{position:relative}
    .step .num{
      display:inline-flex; width:32px; height:32px; border-radius:999px; align-items:center; justify-content:center;
      background:linear-gradient(135deg,var(--primary),var(--primary2)); color:#fff; font-weight:800; margin-bottom:10px;
    }
    .compare{
      overflow-x:auto; border-radius:22px; border:1px solid var(--line); background:#fff;
      box-shadow:var(--shadow);
    }
    table{width:100%; border-collapse:collapse; min-width:920px}
    th,td{padding:16px 14px; border-bottom:1px solid #f4e3e7; text-align:left; vertical-align:top}
    th{background:#fff5f8; font-size:14px}
    td{color:#4f4150; line-height:1.7}
    .score{
      display:inline-flex; align-items:center; gap:8px; padding:10px 14px; border-radius:999px;
      background:linear-gradient(135deg, rgba(217,61,127,.10), rgba(125,60,255,.08)); color:#992958; font-weight:700
    }
    .two-col{display:grid; grid-template-columns:1fr 1fr; gap:16px}
    .list{
      display:grid; gap:12px
    }
    .list-item{
      display:flex; gap:12px; align-items:flex-start; padding:14px; border-radius:18px; background:#fff; border:1px solid var(--line)
    }
    .dot{width:10px; height:10px; border-radius:50%; background:linear-gradient(135deg,var(--primary),var(--primary2)); margin-top:8px; flex:0 0 auto}
    .tags{display:flex; flex-wrap:wrap; gap:10px}
    .tag{padding:10px 12px; border-radius:999px; background:#fff; border:1px solid var(--line); color:#584754; font-size:13px}
    .gallery{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:16px}
    .gallery figure{
      margin:0; border-radius:22px; overflow:hidden; border:1px solid var(--line); background:#fff; box-shadow:var(--shadow)
    }
    .gallery figcaption{padding:14px 16px; color:var(--muted); font-size:14px; line-height:1.6}
    .gallery img{width:100%; height:auto; display:block}
    .quote-grid{display:grid; grid-template-columns:repeat(3, minmax(0,1fr)); gap:16px}
    .quote{
      position:relative; padding:22px; border-radius:22px; background:#fff; border:1px solid var(--line); box-shadow:var(--shadow)
    }
    .quote:before{
      content:"“"; position:absolute; top:10px; right:16px; font-size:54px; color:rgba(217,61,127,.18); line-height:1;
    }
    .quote strong{display:block; margin-top:14px}
    .faq details{
      border:1px solid var(--line); border-radius:18px; background:#fff; box-shadow:0 10px 22px rgba(154,80,111,.06)
    }
    .faq summary{
      list-style:none; cursor:pointer; padding:18px 18px; font-weight:700; display:flex; justify-content:space-between; gap:14px
    }
    .faq summary::-webkit-details-marker{display:none}
    .faq .ans{padding:0 18px 18px; color:var(--muted); line-height:1.8}
    .faq-grid{display:grid; gap:12px}
    .article-list{display:grid; gap:12px}
    .article{
      display:flex; justify-content:space-between; gap:16px; align-items:flex-start;
      padding:16px 18px; border-radius:18px; background:#fff; border:1px solid var(--line)
    }
    .article time{white-space:nowrap; color:#9a7d8d; font-size:13px}
    form{
      display:grid; gap:14px
    }
    .form-grid{display:grid; grid-template-columns:repeat(2, minmax(0,1fr)); gap:14px}
    label{display:block; font-size:14px; font-weight:700; margin-bottom:8px; color:#463843}
    input,select,textarea{
      width:100%; border:1px solid #e8d4db; border-radius:14px; padding:13px 14px; font:inherit;
      background:#fff; color:var(--text); outline:none; transition:.2s ease;
    }
    input:focus,select:focus,textarea:focus{border-color:rgba(217,61,127,.55); box-shadow:0 0 0 4px rgba(217,61,127,.10)}
    textarea{min-height:120px; resize:vertical}
    .footer{
      margin-top:18px; padding:22px 0 28px; border-top:1px solid rgba(242,215,221,.95); background:linear-gradient(180deg, rgba(255,250,251,.2), rgba(255,247,248,.85));
      color:#463843
    }
    .footer-grid{display:grid; grid-template-columns:1.2fr .8fr; gap:18px}
    .footer a{color:#8d2450}
    .copyright{margin-top:16px; color:#7a6671; font-size:13px; line-height:1.7}
    .floating{
      position:fixed; right:16px; bottom:18px; z-index:30; display:grid; gap:10px;
    }
    .float-btn{
      width:54px; height:54px; border-radius:18px; border:0; display:grid; place-items:center;
      background:linear-gradient(135deg,var(--primary),#ff5ca0); color:#fff; box-shadow:0 14px 30px rgba(217,61,127,.26); cursor:pointer;
    }
    .customer{
      position:fixed; right:16px; top:110px; z-index:25; width:min(320px, calc(100vw - 32px));
      background:#fff; border:1px solid var(--line); border-radius:22px; box-shadow:var(--shadow); overflow:hidden;
    }
    .customer header{
      padding:14px 16px; background:linear-gradient(135deg, rgba(217,61,127,.10), rgba(125,60,255,.08));
      display:flex; justify-content:space-between; align-items:center; gap:10px;
    }
    .customer .body{padding:16px; display:grid; gap:12px}
    .customer .kefu{width:100%; border-radius:16px; border:1px solid var(--line)}
    .badge{
      display:inline-flex; align-items:center; gap:8px; padding:8px 12px; border-radius:999px;
      background:#fff5f8; border:1px solid rgba(217,61,127,.14); color:#992958; font-size:13px; font-weight:700
    }
    .mobile-only{display:none}
    .section-soft{
      background:linear-gradient(180deg, rgba(255,247,248,.72), rgba(255,255,255,.72));
      border-top:1px solid rgba(242,215,221,.7);
      border-bottom:1px solid rgba(242,215,221,.7);
    }
    @media (max-width: 1100px){
      .hero-grid,.two-col,.footer-grid{grid-template-columns:1fr}
      .workflow,.grid-4,.grid-3,.quote-grid{grid-template-columns:repeat(2, minmax(0,1fr))}
      .customer{display:none}
      .navlinks{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .navlinks{
        display:flex; position:absolute; left:16px; right:16px; top:74px; padding:16px;
        flex-direction:column; align-items:flex-start; gap:12px; background:#fff; border:1px solid var(--line); border-radius:18px; box-shadow:var(--shadow)
      }
      .form-grid{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .hero-copy{padding:24px}
      .section{padding:20px 0}
      .stats,.workflow,.grid-4,.grid-3,.quote-grid,.gallery{grid-template-columns:1fr}
      .mobile-only{display:block}
      .nav-actions .btn-secondary{display:none}
      .article{flex-direction:column}
      .floating{right:12px; bottom:12px}
      .container{width:min(var(--container), calc(100% - 24px))}
    }
    .reveal{opacity:0; transform:translateY(16px); transition:.6s ease}
    .reveal.show{opacity:1; transform:translateY(0)}