@font-face {
    font-family: PingFangSC-Medium;
    src: url("./fonts/苹方黑体-中黑-简.ttf");
}
@font-face {
    font-family: PingFangSC-Regular;
    src: url("./fonts/苹方黑体-准-简.ttf");
}
@font-face {
    font-family: PingFangSC-Semibold;
    src: url("./fonts/苹方黑体-中粗-简.ttf");
}