body { font: 16px/1.5 system-ui, sans-serif; margin: 0; background: #f6f7f9; color: #1d2330; }
main { max-width: 36rem; margin: 4rem auto; padding: 0 1rem; }
h1 { margin-bottom: 0.25rem; }
dt { font-weight: 600; margin-top: 0.75rem; }
dd { margin: 0; }