:root { color-scheme: light; }
body { max-width: 860px; margin: 48px auto; padding: 0 18px; font: 16px/1.6 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Arial, sans-serif; color: #111827; }
h1,h2,h3 { line-height: 1.25; }
h1 { margin-top: 0; }
code { background: #f3f4f6; padding: 0.15em 0.35em; border-radius: 6px; }
pre code { display: block; padding: 12px; overflow-x: auto; }
hr { border: 0; border-top: 1px solid #e5e7eb; margin: 24px 0; }
a { color: #2563eb; }
ul { padding-left: 1.25rem; }