:root{font-family:system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:#1e293b;background:#f5f7fa;font-size:17px;line-height:1.65}body{margin:0;padding:64px 24px}main{max-width:760px;margin:auto;background:white;padding:56px;border:1px solid #e2e8f0;border-radius:20px}h1{font-size:44px;line-height:1.15;letter-spacing:-1.8px;margin:12px 0 28px}h2{font-size:23px;line-height:1.3;margin-top:34px}.eyebrow{font-size:12px;font-weight:700;letter-spacing:1.8px;color:#475569}.lead{font-size:23px;line-height:1.5;color:#334155}p{margin:20px 0}a{color:#145a75;text-underline-offset:4px}aside{padding:20px 24px;background:#edf6f8;border-radius:12px;margin:32px 0}nav{display:flex;gap:28px;flex-wrap:wrap;margin-top:38px;padding-top:24px;border-top:1px solid #e2e8f0}footer{font-size:13px;color:#64748b;margin-top:32px}code{font-size:.9em}@media(max-width:600px){body{padding:20px 12px}main{padding:28px 22px}h1{font-size:34px}}