:root { font-family: system-ui, sans-serif; max-width: 52rem; margin: 0 auto; padding: 2rem; color: #1a1a1a; } h1 { font-size: 1.4rem; } p { line-height: 1.55; } a { color: #0f6ecd; } code { background: #f3f4f6; padding: 0.1rem 0.35rem; border-radius: 4px; }