:root { color-scheme: light dark; }
body { font-family: system-ui, -apple-system, "Segoe UI", sans-serif; max-width: 760px; margin: 0 auto; padding: 24px 16px 48px; line-height: 1.55; }
h1 { font-size: 1.6rem; } h2 { font-size: 1.2rem; margin-top: 2rem; } h3 { font-size: 1rem; margin-top: 1.4rem; }
.lang { border-top: 1px solid #8884; margin-top: 3rem; padding-top: 1rem; }
code { font-size: .92em; }