/**
 * Stable typography — system stack only (no Google Fonts CDN; faster in CN).
 */
html {
  font-family:
    system-ui,
    -apple-system,
    BlinkMacSystemFont,
    'Segoe UI',
    Roboto,
    'Helvetica Neue',
    Arial,
    sans-serif;
  font-synthesis: none;
  text-size-adjust: 100%;
}

body {
  font-family: inherit;
}