:root{
      --bg:#f6f7fb;
      --bg2:#eef4ff;
      --card:#ffffff;
      --text:#1f2937;
      --muted:#5b6472;
      --line:#d9e2f0;
      --brand:#ff4d8d;
      --brand2:#6b5cff;
      --accent:#13b5c8;
      --shadow:0 18px 40px rgba(31,41,55,.08);
      --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:linear-gradient(180deg,#fff 0%,var(--bg) 38%,#fff 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{position:sticky;top:0;z-index:50;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(217,226,240,.7)}
    .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;box-shadow:0 8px 22px rgba(255,77,141,.12)}
    .brand strong{display:block;font-size:16px;line-height:1.2}
    .brand span{display:block;font-size:12px;color:var(--muted)}
    .nav-links{display:flex;flex-wrap:wrap;align-items:center;gap:10px;justify-content:flex-end}
    .nav-links a{font-size:14px;color:#334155;padding:9px 12px;border-radius:999px;transition:.2s ease;background:transparent}
    .nav-links a:hover{background:#f4f7ff;color:#111827}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;color:var(--text);padding:10px 12px;border-radius:12px}
    .hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#fff 0%,#fff4f8 38%,#eef4ff 100%);border-bottom:1px solid var(--line)}
    .hero::before,.hero::after{content:"";position:absolute;border-radius:50%;filter:blur(8px);opacity:.6;pointer-events:none}
    .hero::before{width:260px;height:260px;background:radial-gradient(circle,rgba(255,77,141,.18),transparent 68%);top:-60px;right:-40px}
    .hero::after{width:220px;height:220px;background:radial-gradient(circle,rgba(107,92,255,.18),transparent 68%);left:-40px;bottom:-90px}
    .hero-inner{display:grid;grid-template-columns:1.15fr .85fr;gap:26px;align-items:center;padding:42px 0 28px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:rgba(255,77,141,.12);color:#b4235b;font-weight:600;font-size:13px}
    h1{margin:16px 0 14px;font-size:clamp(32px,5vw,56px);line-height:1.05;letter-spacing:-.02em}
    .lead{margin:0 0 22px;color:var(--muted);font-size:16px;line-height:1.8;max-width:62ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:14px;border:1px solid transparent;font-weight:700;transition:.22s ease;box-shadow:none}
    .btn-primary{background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;box-shadow:0 12px 28px rgba(255,77,141,.24)}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(107,92,255,.26)}
    .btn-ghost{background:#fff;color:#111827;border-color:var(--line)}
    .btn-ghost:hover{transform:translateY(-2px);border-color:#c7d2fe;box-shadow:0 14px 26px rgba(15,23,42,.08)}
    .hero-panel{background:rgba(255,255,255,.82);border:1px solid rgba(217,226,240,.95);border-radius:28px;box-shadow:var(--shadow);padding:18px}
    .metric-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
    .metric{background:linear-gradient(180deg,#fff,#fafcff);border:1px solid var(--line);border-radius:18px;padding:16px}
    .metric b{display:block;font-size:22px;margin-bottom:6px}
    .metric span{display:block;color:var(--muted);font-size:13px;line-height:1.6}
    .section{padding:22px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:16px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:26px}
    .section-head p{margin:0;color:var(--muted);max-width:62ch;line-height:1.7}
    .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 10px 28px rgba(15,23,42,.04);transition:.2s ease}
    .card:hover{transform:translateY(-4px);box-shadow:0 18px 34px rgba(15,23,42,.08)}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    .pill{display:inline-flex;align-items:center;gap:6px;padding:6px 10px;border-radius:999px;background:#f3f6ff;color:#334155;font-size:12px;margin:0 8px 8px 0}
    .list{margin:0;padding-left:18px}
    .workflow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
    .step{position:relative;padding:18px;border-radius:20px;background:linear-gradient(180deg,#fff,#f7f9ff);border:1px solid var(--line)}
    .step b{display:inline-flex;width:34px;height:34px;border-radius:12px;align-items:center;justify-content:center;background:linear-gradient(135deg,#ff4d8d,#6b5cff);color:#fff;margin-bottom:12px}
    .table-wrap{overflow:auto;border-radius:22px;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:820px}
    th,td{padding:15px 16px;border-bottom:1px solid #edf2f7;text-align:left;vertical-align:top}
    th{background:#f7f9ff;color:#0f172a;font-size:14px}
    td{color:var(--muted)}
    .rating{display:flex;gap:6px;color:#ff9f1c;font-size:18px;margin:8px 0}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag-cloud span{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#334155;font-size:13px}
    .timeline{display:grid;gap:14px}
    .time-item{display:grid;grid-template-columns:120px 1fr;gap:16px;align-items:start;background:#fff;border:1px solid var(--line);border-radius:20px;padding:18px}
    .time-item time{font-weight:700;color:#6b5cff}
    .testimonials{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .quote{position:relative}
    .quote::before{content:"“";position:absolute;top:6px;right:16px;font-size:52px;color:#eef2ff;line-height:1}
    .faq{display:grid;gap:12px}
    details{background:#fff;border:1px solid var(--line);border-radius:18px;padding:0 18px;box-shadow:0 10px 24px rgba(15,23,42,.04)}
    summary{cursor:pointer;list-style:none;padding:16px 0;font-weight:700;color:#111827}
    summary::-webkit-details-marker{display:none}
    details p{margin:0 0 16px;color:var(--muted);line-height:1.75}
    .articles{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
    .article a{display:block;color:inherit}
    .article small{color:#6b5cff;font-weight:700}
    .article h3{margin-top:10px}
    .form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
    form{background:#fff;border:1px solid var(--line);border-radius:24px;padding:20px;box-shadow:var(--shadow)}
    label{display:block;font-size:14px;font-weight:600;margin:0 0 8px;color:#334155}
    input,select,textarea{width:100%;padding:13px 14px;border-radius:14px;border:1px solid #d7e0ef;background:#fbfcff;color:var(--text);font:inherit;outline:none;transition:.2s ease}
    input:focus,select:focus,textarea:focus{border-color:#a5b4fc;box-shadow:0 0 0 4px rgba(107,92,255,.12)}
    textarea{min-height:126px;resize:vertical}
    .submit-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:12px}
    .contact-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:16px;align-items:start}
    .qrcode{display:grid;grid-template-columns:120px 1fr;gap:14px;align-items:center}
    .qrcode img{width:120px;height:120px;object-fit:cover;border-radius:18px;border:1px solid var(--line);background:#fff}
    footer{margin-top:22px;background:#0f172a;color:#e5eefc;padding:24px 0}
    footer a{color:#c9d8ff}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:18px}
    .foot-title{color:#fff;font-weight:700;margin:0 0 10px}
    .foot-links{display:flex;flex-wrap:wrap;gap:10px}
    .foot-links a{padding:8px 10px;border-radius:999px;background:rgba(255,255,255,.06)}
    .float-tools{position:fixed;right:14px;bottom:14px;display:grid;gap:10px;z-index:40}
    .float-tools a,.float-tools button{width:48px;height:48px;border-radius:16px;border:0;background:linear-gradient(135deg,var(--brand),var(--brand2));color:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 16px 30px rgba(107,92,255,.24);cursor:pointer}
    .floating-customer{position:fixed;left:14px;bottom:14px;z-index:40}
    .floating-customer .mini{display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);border-radius:18px;padding:10px 12px}
    .floating-customer img{width:44px;height:44px;border-radius:12px;object-fit:cover;border:1px solid var(--line)}
    .reveal{opacity:0;transform:translateY(16px);transition:.6s ease}
    .reveal.in{opacity:1;transform:none}
    .mobile-only{display:none}
    @media (max-width: 960px){
      .hero-inner,.contact-grid,.footer-grid,.grid-4,.grid-3,.workflow,.testimonials,.articles{grid-template-columns:1fr 1fr}
      .section-head{align-items:start;flex-direction:column}
    }
    @media (max-width: 720px){
      .nav-links{display:none;position:absolute;left:16px;right:16px;top:68px;flex-direction:column;align-items:stretch;background:#fff;border:1px solid var(--line);border-radius:18px;padding:12px;box-shadow:var(--shadow)}
      .nav-links.open{display:flex}
      .menu-btn{display:inline-flex}
      .hero-inner,.contact-grid,.footer-grid,.grid-4,.grid-3,.workflow,.testimonials,.articles,.form-grid,.metric-grid,.time-item{grid-template-columns:1fr}
      .time-item{grid-template-columns:1fr}
      .mobile-only{display:block}
      .qrcode{grid-template-columns:1fr}
      .floating-customer{display:none}
    }