:root{
      --bg:#fffaf4;
      --bg2:#f7f6ff;
      --card:#ffffff;
      --ink:#1f2430;
      --muted:#5f687a;
      --line:#e8e2d8;
      --brand:#ff6f91;
      --brand2:#5b7cfa;
      --brand3:#39c6b5;
      --shadow:0 18px 50px rgba(53,61,88,.10);
      --radius:22px;
      --container:1180px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:system-ui,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;background:linear-gradient(180deg,var(--bg) 0%,#fff 28%,#f8fbff 100%);color:var(--ink)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(var(--container),calc(100% - 32px));margin:0 auto}
    .topbar,.site-footer{background:#fff;color:var(--ink)}
    .topbar{position:sticky;top:0;z-index:50;border-bottom:1px solid rgba(232,226,216,.9);backdrop-filter:saturate(140%) blur(10px)}
    .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 8px 20px rgba(0,0,0,.06)}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:4px}
    .nav-links{display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#394152;padding:8px 10px;border-radius:999px;transition:.25s}
    .nav-links a:hover{background:#f3f5ff;color:var(--brand2)}
    .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(--brand) 0%,#ff9a63 100%);color:#fff;box-shadow:0 12px 28px rgba(255,111,145,.28)}
    .btn-secondary{background:#fff;border-color:var(--line);color:var(--ink)}
    .btn:hover{transform:translateY(-2px);box-shadow:var(--shadow)}
    .menu-toggle{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:10px 12px}
    .hero{padding:28px 0 18px}
    .hero-shell{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#fff4f7 42%,#f4f8ff 100%);border:1px solid #efe7df;border-radius:30px;box-shadow:var(--shadow);padding:36px}
    .hero-shell:before,.hero-shell:after{content:"";position:absolute;border-radius:50%;filter:blur(10px);opacity:.55}
    .hero-shell:before{width:220px;height:220px;background:radial-gradient(circle,#ffd4df 0%,rgba(255,212,223,0) 70%);right:-40px;top:-40px}
    .hero-shell:after{width:180px;height:180px;background:radial-gradient(circle,#cfe0ff 0%,rgba(207,224,255,0) 70%);left:-40px;bottom:-50px}
    .hero-grid{position:relative;display:grid;grid-template-columns:1.25fr .75fr;gap:24px;align-items:center}
    h1{font-size:clamp(30px,4vw,54px);line-height:1.06;margin:0 0 16px;letter-spacing:-.03em}
    .hero p{margin:0 0 20px;color:var(--muted);font-size:16px;line-height:1.8;max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:18px}
    .mini-tags{display:flex;flex-wrap:wrap;gap:10px}
    .tag{display:inline-flex;align-items:center;gap:8px;padding:9px 12px;border-radius:999px;background:#fff;border:1px solid #ece5dc;color:#354055;font-size:13px}
    .hero-card{background:rgba(255,255,255,.82);border:1px solid rgba(232,226,216,.95);border-radius:24px;padding:22px;backdrop-filter:blur(8px)}
    .hero-card h2{font-size:18px;margin:0 0 14px}
    .hero-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .metric{padding:14px;border-radius:18px;background:linear-gradient(180deg,#fff 0%,#fbfcff 100%);border:1px solid #ece6df}
    .metric strong{display:block;font-size:22px;margin-bottom:6px}
    .metric span{font-size:13px;color:var(--muted);line-height:1.5}
    main{padding:10px 0 0}
    section{padding:24px 0}
    .section-head{display:flex;justify-content:space-between;align-items:end;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:66ch;line-height:1.7}
    .grid-3,.grid-4{display:grid;gap:16px}
    .grid-3{grid-template-columns:repeat(3,1fr)}
    .grid-4{grid-template-columns:repeat(4,1fr)}
    .card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:20px;box-shadow:0 10px 30px rgba(39,46,72,.05);transition:.25s}
    .card:hover{transform:translateY(-4px);box-shadow:var(--shadow)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.8}
    .list{margin:0;padding-left:18px}
    .pill{display:inline-flex;padding:6px 10px;border-radius:999px;background:#f6f3ff;color:#5d5dea;font-size:12px;font-weight:700;margin-bottom:12px}
    .split{display:grid;grid-template-columns:1fr 1fr;gap:16px;align-items:stretch}
    .steps{counter-reset:s}
    .step{position:relative;padding-left:54px}
    .step:before{counter-increment:s;content:counter(s);position:absolute;left:18px;top:18px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,var(--brand2),var(--brand3));color:#fff;font-weight:800}
    .table-wrap{overflow:auto;border-radius:24px;border:1px solid var(--line);background:#fff}
    table{width:100%;border-collapse:collapse;min-width:860px}
    th,td{padding:15px 14px;border-bottom:1px solid #efe8df;text-align:left;vertical-align:top}
    th{background:#faf8ff;font-size:14px}
    .accent{color:#d94f74;font-weight:800}
    .faq details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:16px 18px;box-shadow:0 8px 24px rgba(0,0,0,.03)}
    .faq summary{cursor:pointer;font-weight:700;list-style:none}
    .faq summary::-webkit-details-marker{display:none}
    .faq p{margin:12px 0 0;color:var(--muted);line-height:1.8}
    .comment{display:flex;flex-direction:column;gap:12px}
    .avatar{width:42px;height:42px;border-radius:50%;display:grid;place-items:center;background:linear-gradient(135deg,#ffd9e2,#dce9ff);font-weight:800;color:#37415b}
    .comment-head{display:flex;align-items:center;gap:12px}
    .stars{color:#ffb400;letter-spacing:2px;font-size:14px}
    .article-list{display:grid;gap:12px}
    .article-item{display:flex;justify-content:space-between;gap:12px;padding:14px 16px;border-radius:16px;border:1px solid var(--line);background:linear-gradient(180deg,#fff,#fbfcff)}
    .article-item span{color:var(--muted);font-size:13px}
    .form{display:grid;gap:12px}
    .field{display:grid;gap:8px}
    .field label{font-weight:700;font-size:14px}
    .field input,.field select,.field textarea{width:100%;border:1px solid #dcd7cf;border-radius:14px;padding:13px 14px;background:#fff;color:var(--ink);font:inherit;outline:none}
    .field textarea{min-height:120px;resize:vertical}
    .field input:focus,.field select:focus,.field textarea:focus{border-color:#9cb2ff;box-shadow:0 0 0 4px rgba(91,124,250,.12)}
    .badge-row{display:flex;flex-wrap:wrap;gap:10px}
    .badge{padding:8px 12px;border-radius:999px;background:#f7fbff;border:1px solid #e3ecff;color:#3553a6;font-size:13px}
    .floating{position:fixed;right:16px;bottom:16px;z-index:60;display:grid;gap:10px}
    .floating a,.floating button{width:52px;height:52px;border-radius:50%;display:grid;place-items:center;border:none;box-shadow:0 16px 36px rgba(31,36,48,.18);cursor:pointer}
    .float-main{background:linear-gradient(135deg,var(--brand),#ff9a63);color:#fff}
    .float-top{background:#fff;border:1px solid var(--line);color:var(--ink)}
    .drawer{display:none;position:fixed;inset:0;background:rgba(17,22,34,.45);z-index:70;padding:18px}
    .drawer.open{display:block}
    .drawer-panel{max-width:320px;margin-left:auto;background:#fff;border-radius:22px;padding:18px;box-shadow:var(--shadow)}
    .close{border:1px solid var(--line);background:#fff;border-radius:12px;padding:10px 12px}
    .footer-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer-links a{color:#3d4660}
    .site-footer{border-top:1px solid var(--line);margin-top:20px;padding:24px 0 28px}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .8fr;gap:18px;align-items:start}
    .copyright{margin-top:16px;color:#667084;font-size:13px;line-height:1.8}
    .media-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    .media-grid img,.banner-row img{border-radius:18px;border:1px solid var(--line);object-fit:cover;width:100%}
    .banner-row{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
    .banner-row img{aspect-ratio:1/1.08}
    .responsive-note{color:var(--muted);font-size:13px}
    @media (max-width: 980px){
      .hero-grid,.split,.grid-4,.grid-3,.footer-grid,.banner-row{grid-template-columns:1fr 1fr}
      .hero-grid{grid-template-columns:1fr}
    }
    @media (max-width: 720px){
      .nav-links,.nav-cta .btn-secondary{display:none}
      .menu-toggle{display:inline-flex}
      .hero-shell{padding:22px}
      .section-head,.nav{align-items:center}
      .grid-3,.grid-4,.split,.footer-grid,.banner-row{grid-template-columns:1fr}
      h1{font-size:34px}
      .hero-metrics{grid-template-columns:1fr 1fr}
    }
    .reveal{opacity:0;transform:translateY(14px);transition:.6s ease}
    .reveal.show{opacity:1;transform:none}