@font-face{
    font-family: 'PingFang-Light';
    src: url(../font/PingFang-Light.ttf);
}
@font-face{
    font-family: 'PingFang-Medium';
    src: url(../font/PingFang-Medium.ttf);
}
@font-face{
    font-family: 'PingFang-Bold';
    src: url(../font/PingFang-Bold.ttf);
}