:root {
  /* 站点主题颜色，可覆盖 */
  --theme-color: #1890ff;
  --theme-color-rgb: 0, 0, 0;
  --theme-color-light: #40a9ff;
  --theme-color-active: #096dd9;
  --theme-color-bg: #e6f8fe;
  --theme-color-grey: #f0f2f5;
  --theme-color-text: rgba(0, 0, 0, 0.75);
}