:root{
      --bg:#fff8fb;
      --bg2:#fff;
      --card:#ffffff;
      --text:#1f2430;
      --muted:#667085;
      --line:#f0d7e2;
      --brand:#d81b60;
      --brand2:#ff6b9d;
      --brand3:#8b2be2;
      --shadow:0 18px 50px rgba(216,27,96,.10);
      --shadow2:0 10px 25px rgba(40, 20, 60, .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",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;
      color:var(--text);
      background:
        radial-gradient(circle at 10% 10%, rgba(255,107,157,.12), transparent 25%),
        radial-gradient(circle at 90% 15%, rgba(139,43,226,.10), transparent 24%),
        linear-gradient(180deg, #fff9fc 0%, #fff 42%, #fff7fb 100%);
      line-height:1.7;
    }
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .topbar,.nav,.section,.footer-inner{width:min(var(--container), calc(100% - 32px)); margin:0 auto}
    .topbar{padding:12px 0 0}
    .topbar-inner,.nav-inner,.hero-inner,.grid-2,.grid-3,.grid-4,.footer-grid{display:grid;gap:20px}
    header{position:sticky;top:0;z-index:40;background:rgba(255,248,251,.88);backdrop-filter:saturate(140%) blur(10px);border-bottom:1px solid rgba(240,215,226,.7)}
    .nav{padding:14px 0}
    .nav-inner{grid-template-columns:auto 1fr auto;align-items:center}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand .ai-page-logo{width:42px;height:42px;border-radius:12px;object-fit:cover;background:#fff;box-shadow:var(--shadow2)}
    .brand strong{display:block;font-size:18px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .menu{display:flex;flex-wrap:wrap;justify-content:center;gap:8px}
    .menu a,.menu button,.ghost-btn,.primary-btn,.outline-btn,.chip,.tag{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid transparent;border-radius:999px;padding:10px 14px;font-size:14px;cursor:pointer;transition:.25s ease}
    .menu a{color:var(--text);background:#fff;border-color:#f2dbe4}
    .menu a:hover,.ghost-btn:hover,.outline-btn:hover,.chip:hover{transform:translateY(-1px);box-shadow:var(--shadow2)}
    .menu-toggle{display:none;background:#fff;border:1px solid #f2dbe4;color:var(--text)}
    .nav-actions{display:flex;align-items:center;gap:10px}
    .primary-btn{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 30px rgba(216,27,96,.22)}
    .outline-btn,.ghost-btn{background:#fff;color:var(--text);border-color:#f2dbe4}
    .hero{padding:22px 0 14px}
    .hero-inner{grid-template-columns:1.25fr .75fr;align-items:stretch}
    .hero-main,.hero-side,.panel,.card,.faq-item,.form-card,.review-card,.article-card,.timeline-item,.compare-box,.service-pill,.metric{background:rgba(255,255,255,.94);border:1px solid rgba(240,215,226,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-main{padding:34px;position:relative;overflow:hidden}
    .hero-main:before,.hero-main:after{content:"";position:absolute;border-radius:999px;filter:blur(2px)}
    .hero-main:before{width:260px;height:260px;background:radial-gradient(circle,rgba(255,107,157,.22),transparent 70%);right:-80px;top:-80px}
    .hero-main:after{width:160px;height:160px;background:radial-gradient(circle,rgba(139,43,226,.16),transparent 70%);left:-40px;bottom:-30px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff0f6;color:#a01349;font-weight:700;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(30px,5vw,52px);line-height:1.08}
    .lead{font-size:17px;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin:24px 0 18px}
    .hero-meta{display:flex;flex-wrap:wrap;gap:10px}
    .hero-side{padding:22px;display:grid;gap:14px;align-content:start}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .metric{padding:16px}
    .metric b{display:block;font-size:24px;margin-bottom:4px;color:#ab1048}
    .section{padding:18px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section h2{margin:0;font-size:28px}
    .section p.sub{margin:0;color:var(--muted);max-width:70ch}
    .grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
    .grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}
    .grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
    .card,.compare-box,.panel,.article-card,.review-card,.timeline-item,.form-card{padding:20px}
    .card h3,.panel h3,.review-card h3,.article-card h3,.form-card h3{margin:0 0 10px;font-size:18px}
    .card p,.panel p,.review-card p,.article-card p,.timeline-item p{margin:0;color:var(--muted)}
    .service-pill{padding:16px}
    .service-pill strong{display:block;margin-bottom:8px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{background:#fff0f6;border-color:#ffd2e1;color:#8d1241}
    .table-wrap{overflow:auto;border-radius:18px;border:1px solid #f2dbe4;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 16px;border-bottom:1px solid #f6e6ec;text-align:left;vertical-align:top}
    th{background:#fff5f8;color:#8f1442;font-size:14px}
    .rating{font-weight:800;color:#b40f4d}
    .accordion{display:grid;gap:12px}
    .faq-item summary{list-style:none;cursor:pointer;font-weight:700}
    .faq-item summary::-webkit-details-marker{display:none}
    .faq-item .answer{padding-top:10px;color:var(--muted)}
    .reviews .review-card{display:grid;gap:10px}
    .avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#ffe0ea,#ffd1e2);color:#a00e45;font-weight:800}
    .timeline{display:grid;gap:14px}
    .timeline-item{border-left:4px solid #ff8ab5}
    .article-list{display:grid;gap:14px}
    .article-card{display:flex;flex-direction:column;gap:8px}
    .article-card .meta{font-size:13px;color:#9b5371}
    .form-card form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .form-card label{display:grid;gap:6px;font-size:14px;font-weight:600}
    input,select,textarea{width:100%;padding:12px 14px;border:1px solid #ebd7e0;border-radius:14px;background:#fff;color:var(--text);outline:none}
    textarea{min-height:120px;grid-column:1/-1;resize:vertical}
    .full{grid-column:1/-1}
    .footer{margin-top:18px;padding:22px 0 30px;border-top:1px solid rgba(240,215,226,.9);background:#fff8fb}
    .footer-grid{grid-template-columns:1.2fr .8fr .9fr}
    .footer a{color:#a21248}
    .small{font-size:13px;color:var(--muted)}
    .floating{position:fixed;right:16px;bottom:16px;z-index:50;display:grid;gap:10px}
    .float-btn{width:50px;height:50px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand),var(--brand3));color:#fff;box-shadow:0 16px 36px rgba(216,27,96,.28)}
    .kefu-box{position:fixed;left:16px;bottom:16px;z-index:50;max-width:240px;background:#fff;border:1px solid #f2dbe4;border-radius:18px;box-shadow:var(--shadow);padding:12px}
    .kefu-box img{border-radius:12px}
    .scroll-in{opacity:0;transform:translateY(18px);transition:.6s ease}
    .scroll-in.show{opacity:1;transform:none}
    .mobile-only{display:none}
    .compare-highlight{border:1px solid #ffb0c8;background:linear-gradient(180deg,#fff7fa,#fff)}
    @media (max-width: 980px){
      .hero-inner,.grid-4,.grid-3,.grid-2,.footer-grid{grid-template-columns:1fr}
      .nav-inner{grid-template-columns:1fr auto}
      .menu{display:none;grid-column:1/-1;justify-content:flex-start;padding-top:10px}
      .menu.open{display:flex}
      .menu-toggle{display:inline-flex}
      .hero-main{padding:26px}
      .kefu-box{display:none}
      .mobile-only{display:inline-flex}
      .form-card form{grid-template-columns:1fr}
    }