:root{color-scheme:dark}*{box-sizing:border-box}
body{margin:0;background:#14181c;color:#f4f6f8;font:16px/1.65 system-ui,-apple-system,"Segoe UI",Roboto,sans-serif}
main{max-width:760px;margin:0 auto;padding:32px 20px 80px}
h1{font-size:32px;line-height:1.2;margin:0 0 6px}h2{font-size:20px;margin:32px 0 8px;color:#4db4ff}
p,li{color:#d7dde3}a{color:#4db4ff}small,.muted{color:#9aa7b3}
.card{background:#1d2328;border:1px solid #2f3841;border-radius:16px;padding:18px 20px;margin:16px 0}
nav{margin-bottom:24px}nav a{margin-right:16px}
.quick-answer{background:#1d2a33;border-left:4px solid #4db4ff;border-radius:10px;padding:14px 18px;margin:18px 0;color:#eaf2f8}
h3{font-size:17px;margin:20px 0 4px;color:#eaf2f8}