我在Nuxt项目中使用vuetify时遇到了一个问题，我已经按照文档说你只需要安装@nuxtjs/vuetify依赖到你的项目中，并在nuxt.config.js文件的buildModules部分添加一行。组件工作正常，但我没有看到任何css风格，有什么问题吗？

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下面是我的nuxt.config.js文件

export default {
  // Global page headers: https://go.nuxtjs.dev/config-head
  head: {
    title: 'mounir-ssr-diabete',
    htmlAttrs: {
      lang: 'en',
    },
    meta: [
      { charset: 'utf-8' },
      { name: 'viewport', content: 'width=device-width, initial-scale=1' },
      { hid: 'description', name: 'description', content: '' },
    ],
    link: [{ rel: 'icon', type: 'image/x-icon', href: '/favicon.ico' }],
  },

  // Global CSS: https://go.nuxtjs.dev/config-css
  css: [],

  // Plugins to run before rendering page: https://go.nuxtjs.dev/config-plugins
  plugins: [],

  // Auto import components: https://go.nuxtjs.dev/config-components
  components: true,

  // Modules for dev and build (recommended): https://go.nuxtjs.dev/config-modules
  buildModules: [
    // https://go.nuxtjs.dev/typescript
    '@nuxt/typescript-build',
    ['@nuxtjs/vuetify', {}],
  ],

  router: {},

  // Modules: https://go.nuxtjs.dev/config-modules
  modules: [
    // https://go.nuxtjs.dev/axios
    '@nuxtjs/axios',
    [
      '@nuxtjs/firebase',
      {
        config: {
          apiKey: 'AIzaSyD_wgrl3S3RjpgwaEP2bDLpLDnIQz2C2Vc',
          authDomain: 'mounir-ssr.firebaseapp.com',
          projectId: 'mounir-ssr',
          storageBucket: 'mounir-ssr.appspot.com',
          messagingSenderId: '26338888590',
          appId: '1:26338888590:web:be1893a374f3abc10cb2df',
          measurementId: 'G-Y7YHDQDLM8',
        },
        services: {
          auth: {
            persistence: 'local', // default
            initialize: {
              onAuthStateChangedAction: 'onAuthStateChangedAction',
              subscribeManually: false,
            },
            ssr: false,
          },
        },
      },
    ],
  ],

  // Axios module configuration: https://go.nuxtjs.dev/config-axios
  axios: {},

  // Build Configuration: https://go.nuxtjs.dev/config-build
  build: {},
}

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