@font-face {
  font-family: "SiYuanHeiTi";
  src: url(./file/SourceHanSansSC-ExtraLight-2.otf) format("openType");
  font-weight: 100;
  font-display: swap;
}

@font-face {
  font-family: "SiYuanHeiTi";
  src: url(./file/SourceHanSansSC-Light-2.otf) format("openType");
  font-weight: lighter;
  font-display: swap;
}

@font-face {
  font-family: "SiYuanHeiTi";
  src: url(./file/SourceHanSansSC-Normal-2.otf) format("openType");
  font-display: swap;
}

@font-face {
  font-family: "SiYuanHeiTi";
  src: url(./file/SourceHanSansSC-Medium-2.otf) format("openType");
  font-weight: 500;
  font-display: swap;
}

@font-face {
  font-family: "SiYuanHeiTi";
  src: url(./file/SourceHanSansSC-Bold-2.otf) format("openType");
  font-weight: bold;
  font-display: swap;
}