:root{
      --bg:#fff8f6;
      --surface:#ffffff;
      --surface2:#fff1f4;
      --line:#f1d7de;
      --text:#1f2430;
      --muted:#5e6778;
      --accent:#ff4d6d;
      --accent2:#6c63ff;
      --accent3:#ff9f1c;
      --shadow:0 18px 50px rgba(39,42,59,.10);
      --radius:22px;
      --radius2:16px;
      --max: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(255,77,109,.10), transparent 28%),
      radial-gradient(circle at top right, rgba(108,99,255,.10), transparent 24%),
      linear-gradient(180deg, #fffaf8 0%, #fff6f4 38%, #fff 100%);
      line-height:1.7}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--max), calc(100% - 32px)); margin:0 auto}
    header{position:sticky;top:0;z-index:60;background:rgba(255,248,246,.82);backdrop-filter:blur(14px);border-bottom:1px solid rgba(241,215,222,.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 img{width:42px;height:42px;object-fit:contain;border-radius:12px;background:#fff;padding:4px;box-shadow:0 6px 20px rgba(0,0,0,.08)}
    .brand strong{display:block;font-size:1rem;line-height:1.2}
    .brand span{display:block;font-size:.82rem;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:10px 14px;align-items:center}
    .nav-links a{font-size:.92rem;color:#333;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover,.nav-links a:focus{background:var(--surface2);color:var(--accent)}
    .nav-cta{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;cursor:pointer;transition:.25s;white-space:nowrap}
    .btn-primary{background:linear-gradient(135deg,var(--accent),#ff7b8f);color:#fff;box-shadow:0 14px 30px rgba(255,77,109,.25)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,77,109,.30)}
    .btn-ghost{background:#fff;border-color:var(--line);color:var(--text)}
    .btn-ghost:hover{border-color:var(--accent);color:var(--accent)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{padding:44px 0 24px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card,.panel,.section-card{background:rgba(255,255,255,.92);border:1px solid rgba(241,215,222,.9);border-radius:var(--radius);box-shadow:var(--shadow)}
    .hero-card{padding:30px;position:relative;overflow:hidden}
    .hero-card:before{content:"";position:absolute;inset:auto -60px -80px auto;width:240px;height:240px;background:radial-gradient(circle, rgba(255,77,109,.18), transparent 65%);border-radius:50%}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 12px;border-radius:999px;background:#fff1f4;color:#cc2345;font-weight:700;font-size:.88rem}
    h1{margin:16px 0 14px;font-size:clamp(2rem,4vw,3.4rem);line-height:1.08;letter-spacing:-.03em}
    .lead{margin:0;color:var(--muted);font-size:1.02rem;max-width:62ch}
    .hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin:22px 0 18px}
    .hero-points{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px;margin-top:22px}
    .mini-stat{padding:14px 14px 16px;background:linear-gradient(180deg,#fff,#fff7f9);border:1px solid var(--line);border-radius:18px}
    .mini-stat strong{display:block;font-size:1.08rem}
    .mini-stat span{display:block;color:var(--muted);font-size:.88rem}
    .hero-side{display:grid;gap:14px}
    .panel{padding:20px}
    .panel h2,.section-head h2{margin:0 0 10px;font-size:1.45rem}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:8px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#374151;font-size:.88rem}
    .stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .stat{padding:18px;background:#fff;border:1px solid var(--line);border-radius:18px}
    .stat strong{display:block;font-size:1.35rem;color:var(--accent)}
    .stat span{color:var(--muted);font-size:.9rem}
    section{padding:18px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:18px;margin-bottom:16px}
    .section-head p{margin:0;color:var(--muted);max-width:70ch}
    .section-card{padding:22px}
    .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}
    .feature{padding:18px;border-radius:18px;background:linear-gradient(180deg,#fff,#fff8fa);border:1px solid var(--line);transition:.25s}
    .feature:hover,.review:hover,.case:hover,.article:hover{transform:translateY(-4px);box-shadow:0 16px 32px rgba(39,42,59,.10)}
    .feature h3,.case h3,.review h3{margin:0 0 8px;font-size:1.02rem}
    .feature p,.review p,.case p{margin:0;color:var(--muted)}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:start}
    .timeline{display:grid;gap:12px}
    .step{display:flex;gap:12px;padding:16px;border:1px solid var(--line);background:#fff;border-radius:18px}
    .num{width:34px;height:34px;border-radius:12px;display:grid;place-items:center;background:linear-gradient(135deg,var(--accent2),var(--accent));color:#fff;font-weight:800;flex:0 0 auto}
    .table-wrap{overflow:auto;border:1px solid var(--line);border-radius:18px;background:#fff}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:14px 12px;border-bottom:1px solid #f3e5ea;text-align:left;vertical-align:top}
    th{background:#fff4f6}
    .badge{display:inline-flex;padding:4px 10px;border-radius:999px;font-size:.82rem;background:#fff1f4;color:#c31f40}
    details{border:1px solid var(--line);border-radius:16px;background:#fff;overflow:hidden}
    details+details{margin-top:10px}
    summary{cursor:pointer;list-style:none;padding:16px 18px;font-weight:700}
    summary::-webkit-details-marker{display:none}
    details .answer{padding:0 18px 16px;color:var(--muted)}
    .reviews,.cases,.articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
    .review,.case,.article{background:#fff;border:1px solid var(--line);border-radius:18px;padding:18px;transition:.25s}
    .stars{color:#ffb400;letter-spacing:2px;font-size:1rem;margin-bottom:10px}
    .article .meta{font-size:.86rem;color:var(--muted);margin-bottom:8px}
    .form{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .field{display:flex;flex-direction:column;gap:8px}
    label{font-weight:700;font-size:.92rem}
    input,select,textarea{width:100%;border:1px solid var(--line);background:#fff;border-radius:14px;padding:12px 14px;font:inherit;color:var(--text);outline:none;transition:.2s}
    input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 4px rgba(255,77,109,.12)}
    textarea{min-height:120px;resize:vertical}
    .full{grid-column:1/-1}
    .footer{margin-top:14px;padding:24px 0 30px;background:#1d2230;color:#e8ecf6}
    .footer a{color:#fff}
    .footer .muted{color:#c7cedd}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px;align-items:start}
    .footer .tag{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.12);color:#eef2ff}
    .qr{display:grid;grid-template-columns:110px 1fr;gap:14px;align-items:center}
    .qr img{width:110px;height:110px;object-fit:cover;border-radius:16px;background:#fff;padding:6px}
    .home-link{display:inline-flex;margin-top:10px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:70;display:grid;gap:10px}
    .floating a,.floating button{border:none;border-radius:999px;box-shadow:0 12px 24px rgba(0,0,0,.14)}
    .floating a{background:linear-gradient(135deg,var(--accent),#ff7b8f);color:#fff;padding:12px 16px;font-weight:800}
    .backtop{background:#fff;color:var(--text);padding:12px 14px;border:1px solid var(--line);cursor:pointer;display:none}
    .scroll-reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .scroll-reveal.in{opacity:1;transform:none}
    .note{color:var(--muted);font-size:.92rem}
    .logos{display:flex;flex-wrap:wrap;gap:10px}
    .logos span{padding:8px 11px;border-radius:12px;border:1px dashed #efc9d2;background:#fff;color:#3a4252;font-size:.88rem}
    .two-col-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
    .two-col-list div{padding:12px 14px;background:#fff;border:1px solid var(--line);border-radius:14px}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-3,.reviews,.cases,.articles,.footer-grid,.stat-grid{grid-template-columns:1fr 1fr}
      .hero-points{grid-template-columns:1fr}
      .grid-2,.form,.footer-grid,.split{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-toggle{display:inline-flex}
      .nav.open .nav-links{display:flex;position:absolute;left:16px;right:16px;top:68px;background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px;box-shadow:var(--shadow);flex-direction:column;align-items:flex-start}
    }
    @media (max-width: 640px){
      .container{width:min(var(--max), calc(100% - 24px))}
      .hero-card,.panel,.section-card{padding:18px}
      .hero-grid,.stat-grid,.reviews,.cases,.articles{grid-template-columns:1fr}
      h1{font-size:2rem}
      .section-head{align-items:start;flex-direction:column}
      .qr{grid-template-columns:1fr}
    }