:root{color-scheme:light dark}body{margin:0;font:16px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI",Helvetica,Arial,sans-serif;background:#f7f8f8;color:#111}@media(prefers-color-scheme:dark){body{background:#101413;color:#e8ebea}a{color:#7fd3c8}}main{max-width:680px;margin:0 auto;padding:48px 24px 80px}h1{font-size:2rem;margin:0 0 .25rem}h2{font-size:1.15rem;margin:2rem 0 .5rem}.brand{display:flex;align-items:center;gap:12px;margin-bottom:2rem}.mark{width:44px;height:44px;border-radius:11px;background:#0f766e;display:inline-block}.muted{color:#6b7280}a{color:#0f766e}footer{margin-top:3rem;font-size:.9rem;color:#6b7280}