How to import element-plus css in a content script

[wf-soft]

content_scripts: [
    {
      css:["../node_modules/element-plus/dist/index.css"],
      js: ["src/entries/contentScript/primary/main.ts"],
      matches: [ "https://mp.weixin.qq.com/*", "https://mmbiz.qpic.cn/*" ],
    },
  ],

[samrum]

Is your node_modules directory actually one directory above your vite config?
You could try defining a css file and importing the node_modules file within it. It's likely the plugin isn't resolving an input defined like that correctly.