web/build/plugins/lazyloadStyle.js

import { createStyleImportPlugin } from 'vite-plugin-style-import';

export default createStyleImportPlugin({
  libs: [
    {
      libraryName: '@arco-design/web-vue',
      esModule: true,
      resolveStyle: (name) => {
        // css
        // return `@arco-design/web-vue/es/${name}/style/css.js`;
        // less
        return `@arco-design/web-vue/es/${name}/style/index.js`;
      },
    },
  ],
});