@font-face {
        font-family: 'Oswald-Medium';
        src : url("../font/Oswald-Medium.ttf");
    }
@font-face {
        font-family: 'Oswald-Bold';
        src : url("https://www.arsbiao.com/statics/font/Oswald-Bold.otf");
    }
@font-face {
        font-family: 'syst';
        src : url("https://www.arsbiao.com/statics/font/syst.otf");
    }