tmp-jn/src/styles/element/index.scss

// @forward 'element-plus/theme-chalk/src/common/var.scss' with (
//   $colors: (
//     'primary': ('base': #4351ff,
//     ),
//   ),
// );

:root{
  --el-color-primary: #4351ff;
}
.el-table__header{
  .cell{
    font-weight: normal;
  }
}