body { font-family: system-ui, sans-serif; max-width: 900px; margin: 2em auto; line-height: 1.6; color: #222; }
h1, h2, h3 { color: #333; }
code { background: #f4f4f4; padding: 2px 4px; border-radius: 4px; }
table { border-collapse: collapse; width: 100%; margin: 1em 0; }
td, th { border: 1px solid #ccc; padding: 6px 8px; text-align: left; }
th { background: #f9f9f9; }
hr { margin: 2em 0; }