@font-face{
    font-family: "SourceHanSerifCN-Bold";
    src: url('SourceHanSerifCN-Bold.otf') format('opentype');
}
@font-face{
    font-family: "SourceHanSerifCN-Regular";
    src: url('SourceHanSerifCN-Regular.otf') format('opentype');
}
@font-face{
    font-family: "SourceHanSerifCN-SemiBold";
    src: url('SourceHanSerifCN-SemiBold.otf') format('opentype');
}
@font-face{
    font-family: "SourceHanSerifCN-Medium";
    src: url('SourceHanSerifCN-Medium.otf') format('opentype');
}

@font-face{
    font-family: "AppleSystemUIFont";
    src: url('SourceHanSerifCN-Regular.otf') format('opentype');
}
@font-face{
    font-family: "PingFang SC";
    src: url('PingFang.ttc') ;
}