@font-face {
    font-family: 'qihei';
    src: url("HYQiHei-45S.otf");
}
@font-face {
    font-family: 'wensong';
    src: url("HYDaSongJ.ttf");
}
@font-face {
    font-family: 'xinyuan';
    src: url("SourceHanSerifSC-Heavy.otf");
}