:root{--ink:#0b1220;--body:#334155;--muted:#64748b;--line:#e2e8f0;--bg:#f7f8fb;--brand:#4f46e5}
*{box-sizing:border-box}
body{margin:0;background:var(--bg);color:var(--body);font:15px/1.75 Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased}
.wrap{max-width:780px;margin:0 auto;padding:0 24px}
header.top{background:#fff;border-bottom:1px solid var(--line)}
header.top .wrap{display:flex;justify-content:space-between;align-items:center;height:64px}
.brand{display:flex;align-items:center;gap:9px;font-weight:750;font-size:17px;color:var(--ink);letter-spacing:-.02em}
.brand svg{width:26px;height:26px}
.back{font-size:13px;color:var(--brand);font-weight:600}
main{padding:52px 0 72px}
.eyebrow{font-size:12px;font-weight:700;letter-spacing:.12em;text-transform:uppercase;color:var(--brand)}
h1{font-size:40px;line-height:1.2;letter-spacing:-.03em;margin:12px 0 8px;color:var(--ink)}
.updated{color:var(--muted);font-size:13px;border-bottom:1px solid var(--line);padding-bottom:22px;margin:0 0 28px}
.lead{font-size:16px;color:var(--ink);background:#fff;border:1px solid var(--line);border-left:3px solid var(--brand);padding:16px 20px;border-radius:0 10px 10px 0;margin:0 0 30px}
h2{font-size:19px;letter-spacing:-.01em;margin:34px 0 10px;color:var(--ink)}
p{margin:0 0 14px}
a{color:var(--brand)}
ul{padding-left:20px;margin:0 0 16px}
li{margin-bottom:7px}
.contact{margin-top:38px;background:#eef2ff;border:1px solid #c7d2fe;border-radius:12px;padding:18px 20px;font-size:14px}
footer{border-top:1px solid var(--line);background:#fff;padding:22px 0;font-size:13px;color:var(--muted)}
footer .wrap{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap}
@media(max-width:600px){h1{font-size:30px}main{padding:36px 0 54px}}