* {
  font-family: 'Source Han Sans', 'Helvetica Neue', Helvetica, 'PingFang SC',
    'Hiragino Sans GB', 'Microsoft YaHei', '微软雅黑', Arial, sans-serif !important;
  -webkit-font-smoothing: antialiased !important;
  -moz-osx-font-smoothing: grayscale !important;
}
@font-face {
  font-family: 'Source Han Sans';
  src: 
  /* url('fonts/SourceHanSansCN.ttf') format('truetype'), */ url('fonts/SourceHanSansCN-Regular.otf');
  /* font-weight: bold; */
}