refactor: login page (#259)

vite.config.ts

@@ -39,23 +39,6 @@ export default ({ command, mode }: ConfigEnv): UserConfigExport => {
     resolve: {
       alias
     },
-    css: {
-      // https://github.com/vitejs/vite/issues/5833
-      postcss: {
-        plugins: [
-          {
-            postcssPlugin: "internal:charset-removal",
-            AtRule: {
-              charset: atRule => {
-                if (atRule.name === "charset") {
-                  atRule.remove();
-                }
-              }
-            }
-          }
-        ]
-      }
-    },
     // 服务端渲染
     server: {
       // 是否开启 https