单独给数字设置字体

@font-face {
  font-family: DINPro-Medium;
  font-style: normal;
  font-weight: normal;
  src: url('url');
  unicode-range: U+30-39;
}

html,
body {
  font-family: DINPro-Medium, OPPOSans-R, sans-serif;
}