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    font-style: normal;
}

@font-face {
    font-family: 'Source Han Sans';
    src: url('https://infoconnect.oss-cn-shanghai.aliyuncs.com/digital-human-course/static/font/SourceHanSansCN-Light.otf') format('opentype');
    font-weight: 300;
    font-style: normal;
}

@font-face {
    font-family: 'Source Han Sans';
    src: url('https://infoconnect.oss-cn-shanghai.aliyuncs.com/digital-human-course/static/font/SourceHanSansCN-Regular.otf') format('opentype');
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    font-style: normal;
}

@font-face {
    font-family: 'Source Han Sans';
    src: url('https://infoconnect.oss-cn-shanghai.aliyuncs.com/digital-human-course/static/font/SourceHanSansCN-Medium.otf') format('opentype');
    font-weight: 500;
    font-style: normal;
}

@font-face {
    font-family: 'Source Han Sans';
    src: url('https://infoconnect.oss-cn-shanghai.aliyuncs.com/digital-human-course/static/font/SourceHanSansCN-Bold.otf') format('opentype');
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    font-style: normal;
}

@font-face {
    font-family: 'Source Han Sans';
    src: url('https://infoconnect.oss-cn-shanghai.aliyuncs.com/digital-human-course/static/font/SourceHanSansCN-Heavy.otf') format('opentype');
    font-weight: 900;
    font-style: normal;
}