style: 调整全局背景色 & 添加 unocss 类名前缀

unocss.config.ts

@@ -11,12 +11,12 @@ export default defineConfig({
     presetUno()
   ],
   /** 自定义规则 */
-  rules: [["app-container", { padding: "20px" }]],
+  rules: [["uno-padding-20", { padding: "20px" }]],
   /** 自定义快捷方式 */
   shortcuts: {
-    "wh-full": "w-full h-full",
-    "flex-center": "flex justify-center items-center",
-    "flex-x-center": "flex justify-center",
-    "flex-y-center": "flex items-center"
+    "uno-wh-full": "w-full h-full",
+    "uno-flex-center": "flex justify-center items-center",
+    "uno-flex-x-center": "flex justify-center",
+    "uno-flex-y-center": "flex items-center"
   }
 })