style(App.vue): 为有序列表项添加底部边距以增强可读性

 <!--
  * @Date: 2025-03-20 19:53:12
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-05-08 09:45:37
+ * @LastEditTime: 2025-05-08 09:50:42
  * @FilePath: /mlaj/src/App.vue
  * @Description: 入口文件
 -->
@@ -74,6 +74,9 @@ if (!import.meta.env.DEV && wxInfo().isWeiXin) {
   ol {
     list-style-type: decimal;
     padding: 0.25rem 1rem;
+    li {
+      margin-bottom: 0.25rem;
+    }
   }
 }