:root {
  --font-family-ui: 'Microsoft YaHei UI', 'Microsoft YaHei', 'PingFang SC', 'Noto Sans CJK SC', 'Source Han Sans SC', 'Segoe UI', Arial, sans-serif;
  --font-family-mono: 'Cascadia Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
}

button, input, textarea, select {
  font-family: var(--font-family-ui);
}