@font-face {
  font-family: "Source Han Sans CN";
  src: url("SourceHanSansCN-Regular.otf") format("opentype");
  font-weight: 400;
  font-style: normal;
}

@font-face {
  font-family: "Source Han Sans CN";
  src: url("SourceHanSansCN-Medium.otf") format("opentype");
  font-weight: 500;
  font-style: normal;
}

@font-face {
  font-family: "Source Han Sans CN";
  src: url("SourceHanSansCN-Bold.otf") format("opentype") ;
  font-weight: 700;
  font-style: normal;
}

/* 额外的标题字体 */
@font-face {
  font-family: "YouSheBiaoTiHei";
  src: url("YouSheBiaoTiHei.TTF") format("truetype");
  font-weight: normal;
  font-style: normal;
}