:root { color-scheme: light dark; font-family: system-ui, sans-serif; line-height: 1.7; }
body { max-width: 760px; margin: 0 auto; padding: 40px 24px 64px; }
h1, h2 { line-height: 1.25; } h1 { font-size: 2rem; } h2 { margin-top: 2rem; font-size: 1.25rem; }
a { color: #1769c2; } @media (prefers-color-scheme: dark) { a { color: #88bfff; } }
footer { margin-top: 3rem; padding-top: 1rem; border-top: 1px solid #888; }