网站设置字体时，如何设置优先使用系统默认字体
Issue 欢迎在 Gtihub Issue 中回答此问题: Issue 489 (opens in a new tab)
Author 回答者: shfshanyue (opens in a new tab)
font-family: system-ui;system-ui 将会自动选取系统默认字体作为字体，如 bootstrap 的样式规则 (opens in a new tab)
$font-family-sans-serif:
system-ui,
-apple-system,
"Segoe UI",
Roboto,
"Helvetica Neue",
Arial,
"Noto Sans",
"Liberation Sans",
sans-serif,
"Apple Color Emoji",
"Segoe UI Emoji",
"Segoe UI Symbol",
"Noto Color Emoji" !default;