后台布局调整：改为左侧结构

tailwind.config.js

@@ -0,0 +1,11 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: ['./index.html', './src/**/*.{vue,js,ts,jsx,tsx}'],
+  theme: {
+    extend: {}
+  },
+  plugins: [],
+  corePlugins: {
+    preflight: false
+  }
+};