style: 为帖子文本添加自动换行和空白处理

在多个页面的.post-text样式中添加white-space和word-wrap属性，确保长文本和连续空白能正确显示

@@ -795,6 +795,8 @@ const formatData = (data) => {
     .post-text {
       color: #666;
       margin-bottom: 1rem;
+      white-space: pre-wrap;
+      word-wrap: break-word;
     }
 
     .post-media {

 <!--
   * @Date: 2025-05-29 15:34:17
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-06-25 11:47:02
+ * @LastEditTime: 2025-06-26 11:22:30
  * @FilePath: /mlaj/src/views/teacher/checkinPage.vue
   * @Description: 文件描述
 -->
@@ -908,6 +908,8 @@ const handleAdd = (type) => {
     .post-text {
       color: #666;
       margin-bottom: 1rem;
+      white-space: pre-wrap;
+      word-wrap: break-word;
     }
 
     .post-media {

@@ -2,7 +2,7 @@
  * @Author: hookehuyr hookehuyr@gmail.com
  * @Date: 2025-06-19 17:12:19
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-06-25 17:47:34
+ * @LastEditTime: 2025-06-26 11:22:56
  * @FilePath: /mlaj/src/views/teacher/studentPage.vue
  * @Description: 学生详情页面
 -->
@@ -1052,6 +1052,8 @@ const formatData = (data) => {
     .post-text {
       color: #666;
       margin-bottom: 1rem;
+      white-space: pre-wrap;
+      word-wrap: break-word;
     }
 
     .post-media {