:root{--ink:#1e242b;--muted:#69717a;--line:#e3e5e2;--blue:#435df5;--bg:#f7f7f5;--font:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Apple SD Gothic Neo","Malgun Gothic",Arial,sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font-family:var(--font);line-height:1.75}header{height:66px;padding:0 clamp(20px,5vw,64px);display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);background:#fff}header a{color:var(--muted);font-size:13px;text-decoration:none}.brand{display:flex;align-items:center;gap:9px!important;color:var(--ink)!important;font-size:17px!important;font-weight:750}.brand span{width:28px;height:28px;border-radius:7px;background:var(--ink);color:#fff;display:grid;place-items:center;font-size:13px}main{width:min(720px,calc(100% - 40px));margin:clamp(48px,8vw,90px) auto;padding:clamp(28px,5vw,52px);background:#fff;border:1px solid var(--line);border-radius:16px;box-shadow:0 12px 40px rgba(30,36,43,.06)}.eyebrow{margin:0 0 8px;color:var(--blue);font-size:11px;font-weight:800;letter-spacing:.1em}h1{font-size:clamp(28px,5vw,44px);line-height:1.18;letter-spacing:-.045em;margin:0 0 30px}p{color:var(--muted);font-size:15px;margin:0 0 18px}p a{color:var(--blue)}nav{display:flex;gap:10px 18px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:34px;padding-top:22px}nav a,.back{color:var(--muted);font-size:12px}.back{display:inline-block;margin-top:28px;text-decoration:none}.back:hover,nav a:hover,header a:hover{color:var(--blue)}a:focus-visible{outline:3px solid rgba(67,93,245,.2);outline-offset:3px;border-radius:3px}@media(max-width:520px){main{width:calc(100% - 24px);margin:20px auto;padding:25px 21px}header{padding:0 16px}}