@font-face {
    font-family: '思源黑';
    src: url('../tff/SOURCEHANSERIFSC-REGULAR.OTF');
}
@font-face {
    font-family: '思源黑 MEDIUM';
    src: url('../tff/SOURCEHANSERIFSC-MEDIUM.OTF');
}
@font-face {
    font-family: 'MONTSERRAT-BOLD';
    src: url('../tff/MONTSERRAT-BOLD.OTF');
}