How do I modify elementUI styles when I add scoped and Scss nesting to vue

Those of you who have used Vue have probably used the Scoped style property, but sometimes you need to Pierce the style. >>> or /deep/; When I used less, I always used /deep/, there was no bug, but in my recent project, I used SCSS /sass, then there was a problem, I used /deep/ under SCSS /sass, then I used >>>, but it didn’t work… 💔

After searching for information, I found a solution, which is to use :: V-deep