:root{
      --bg:#f6f8ff;
      --panel:#ffffff;
      --panel2:#fff7ed;
      --line:#dde4f4;
      --text:#172033;
      --muted:#5c6780;
      --brand:#ff5d5d;
      --brand2:#2f6bff;
      --brand3:#17b6a3;
      --shadow:0 18px 50px rgba(34,56,120,.12);
      --radius:20px;
      --container: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;background:
      radial-gradient(circle at top left,rgba(255,93,93,.12),transparent 28%),
      radial-gradient(circle at top right,rgba(47,107,255,.10),transparent 26%),
      linear-gradient(180deg,#fbfcff 0%,#f6f8ff 100%);color:var(--text)}
    a{color:inherit;text-decoration:none}
    img{display:block;max-width:100%}
    .container{width:min(100% - 32px,var(--container));margin:0 auto}
    header{position:sticky;top:0;z-index:40;background:rgba(246,248,255,.86);backdrop-filter:blur(16px);border-bottom:1px solid rgba(221,228,244,.8)}
    .nav{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:14px 0}
    .brand{display:flex;align-items:center;gap:12px;min-width:0}
    .brand img{width:44px;height:44px;object-fit:contain}
    .brand strong{display:block;font-size:18px;line-height:1.1}
    .brand span{display:block;font-size:12px;color:var(--muted);margin-top:3px}
    .nav-links{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:14px;align-items:center}
    .nav-links a{font-size:14px;color:#33415f;padding:8px 10px;border-radius:999px}
    .nav-links a:hover{background:#edf3ff;color:#10307a}
    .menu-btn{display:none;border:1px solid var(--line);background:#fff;padding:10px 12px;border-radius:12px}
    .hero{padding:46px 0 22px}
    .hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
    .hero-card{background:linear-gradient(135deg,#ffffff 0%,#fff8f2 100%);border:1px solid var(--line);border-radius:28px;padding:34px;box-shadow:var(--shadow);position:relative;overflow:hidden}
    .hero-card:before,.hero-card:after{content:"";position:absolute;border-radius:50%;filter:blur(2px);opacity:.55}
    .hero-card:before{width:180px;height:180px;background:rgba(255,93,93,.18);right:-40px;top:-50px}
    .hero-card:after{width:180px;height:180px;background:rgba(47,107,255,.14);right:40px;bottom:-70px}
    .eyebrow{display:inline-flex;align-items:center;gap:8px;background:#eef4ff;color:#2242a0;border:1px solid #d7e2ff;padding:8px 12px;border-radius:999px;font-size:13px;font-weight:600}
    h1{font-size:clamp(30px,5vw,52px);margin:16px 0 14px;line-height:1.08;letter-spacing:-.03em}
    .lead{font-size:16px;line-height:1.8;color:var(--muted);max-width:58ch}
    .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
    .btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;border-radius:14px;padding:13px 18px;font-weight:700;border:1px solid transparent;transition:.25s ease;cursor:pointer}
    .btn-primary{background:linear-gradient(135deg,var(--brand) 0%,#ff8a3d 100%);color:#fff;box-shadow:0 12px 24px rgba(255,93,93,.28)}
    .btn-secondary{background:#fff;border-color:var(--line);color:#1d2b4b}
    .btn:hover{transform:translateY(-2px);box-shadow:0 14px 28px rgba(28,45,95,.12)}
    .hero-side{display:grid;gap:16px}
    .mini-panel{background:rgba(255,255,255,.92);border:1px solid var(--line);border-radius:22px;padding:20px;box-shadow:var(--shadow)}
    .mini-panel h3{margin:0 0 10px;font-size:18px}
    .stat-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
    .stat{background:linear-gradient(180deg,#fff, #f8fbff);border:1px solid var(--line);border-radius:18px;padding:16px}
    .stat b{display:block;font-size:22px;margin-bottom:6px}
    .stat span{color:var(--muted);font-size:13px;line-height:1.5}
    section{padding:20px 0}
    .section-head{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:16px}
    .section-head h2{margin:0;font-size:28px}
    .section-head p{margin:0;color:var(--muted);max-width:70ch;line-height:1.7}
    .grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}
    .card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:22px;box-shadow:0 10px 28px rgba(35,56,120,.07)}
    .card:hover{transform:translateY(-3px);transition:.22s ease;box-shadow:0 14px 34px rgba(35,56,120,.10)}
    .icon{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;margin-bottom:14px;background:linear-gradient(135deg,rgba(255,93,93,.16),rgba(47,107,255,.12));color:#16307a;font-weight:900}
    .card h3{margin:0 0 10px;font-size:18px}
    .card p,.card li{color:var(--muted);line-height:1.75}
    ul.clean{margin:0;padding-left:18px}
    .tag-cloud{display:flex;flex-wrap:wrap;gap:10px}
    .tag{padding:9px 12px;border-radius:999px;background:#fff;border:1px solid var(--line);color:#34415d;font-size:13px}
    .workflow{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
    .step{position:relative}
    .step .num{width:34px;height:34px;border-radius:999px;background:linear-gradient(135deg,var(--brand2),#65a2ff);color:#fff;display:grid;place-items:center;font-weight:800;margin-bottom:12px}
    .table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:22px;background:#fff;box-shadow:var(--shadow)}
    table{width:100%;border-collapse:collapse;min-width:760px}
    th,td{padding:16px 18px;border-bottom:1px solid #edf1f8;text-align:left;vertical-align:top}
    th{background:#f7f9ff;color:#22304b;font-size:14px}
    td{color:var(--muted)}
    .highlight{color:#0f4fd8;font-weight:700}
    .reviews,.articles,.cases,.faq,.contact-grid,.compare-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
    .quote{font-size:15px;line-height:1.8;color:var(--muted)}
    .avatar{width:46px;height:46px;border-radius:50%;background:linear-gradient(135deg,#ffd6d6,#dfe8ff);display:grid;place-items:center;font-weight:800;margin-right:12px;color:#24345a}
    .review-top,.case-top{display:flex;align-items:center;margin-bottom:14px}
    .case-img{border-radius:18px;overflow:hidden;border:1px solid var(--line);margin-bottom:14px}
    .case-img img{width:100%;height:auto}
    .faq-item{border:1px solid var(--line);border-radius:18px;background:#fff;overflow:hidden}
    .faq-q{width:100%;padding:18px 18px;text-align:left;background:#fff;border:0;font-weight:700;color:#1b2946;display:flex;justify-content:space-between;gap:12px;cursor:pointer}
    .faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;padding:0 18px;color:var(--muted);line-height:1.8}
    .faq-item.open .faq-a{max-height:180px;padding-bottom:18px}
    .form{display:grid;gap:12px}
    .form .row{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
    input,select,textarea{width:100%;border:1px solid var(--line);border-radius:14px;padding:13px 14px;font:inherit;background:#fff;color:var(--text)}
    textarea{min-height:120px;resize:vertical}
    .footer{padding:24px 0 30px;border-top:1px solid var(--line);margin-top:10px;background:#f8fbff;color:#30405f}
    .footer-grid{display:grid;grid-template-columns:1.1fr .9fr .9fr;gap:16px}
    .footer a{color:#2346a8}
    .float-bar{position:fixed;right:18px;bottom:18px;z-index:50;display:grid;gap:10px}
    .float-btn{width:54px;height:54px;border-radius:18px;border:0;box-shadow:var(--shadow);background:linear-gradient(135deg,#ff5d5d,#ff9a3d);color:#fff;font-weight:800}
    .float-btn.secondary{background:linear-gradient(135deg,#2f6bff,#17b6a3)}
    .backtop{position:fixed;left:18px;bottom:18px;z-index:50}
    .backtop a{display:grid;place-items:center;width:54px;height:54px;border-radius:18px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);color:#1f315f}
    .mobile-only{display:none}
    .note{font-size:13px;color:var(--muted)}
    .timeline{display:grid;gap:12px}
    .timeline .item{display:grid;grid-template-columns:36px 1fr;gap:12px;align-items:start}
    .timeline .dot{width:14px;height:14px;border-radius:50%;margin-top:6px;background:var(--brand3);box-shadow:0 0 0 6px rgba(23,182,163,.12)}
    .label-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
    .pill{padding:8px 12px;border-radius:999px;background:#fff3ef;border:1px solid #ffd9cb;color:#8e3c1a;font-size:13px}
    .reveal{opacity:0;transform:translateY(16px);transition:.55s ease}
    .reveal.in{opacity:1;transform:none}
    @media (max-width: 980px){
      .hero-grid,.grid-3,.grid-2,.reviews,.articles,.cases,.faq,.contact-grid,.compare-grid,.footer-grid,.workflow{grid-template-columns:1fr}
      .nav-links{display:none}
      .menu-btn{display:inline-flex}
      .mobile-only{display:block}
      .section-head{align-items:start;flex-direction:column}
      .form .row{grid-template-columns:1fr}
    }
    .nav-panel{display:none;padding:0 0 16px}
    .nav-panel.open{display:block}
    .nav-panel .panel-links{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .nav-panel a{padding:10px 12px;border:1px solid var(--line);background:#fff;border-radius:12px}