/* 本地字体与零外网依赖 */
:root {
  --bs-font-sans-serif: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue",
    "Noto Sans", "Liberation Sans", Arial, "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", sans-serif, "Apple Color Emoji", "Segoe UI Emoji";
  --bs-body-font-family: var(--bs-font-sans-serif);
}

html, body {
  font-family: var(--bs-body-font-family);
}