refactor(studentPage): 调整状态筛选按钮位置至统计标签页下显示

@@ -2,7 +2,7 @@
  * @Author: hookehuyr hookehuyr@gmail.com
  * @Date: 2025-06-19 17:12:19
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-06-30 17:45:27
+ * @LastEditTime: 2025-07-02 18:02:18
  * @FilePath: /mlaj/src/views/teacher/studentPage.vue
  * @Description: 学生详情页面
 -->
@@ -91,16 +91,6 @@
         </van-row>
       </div>
 
-      <!-- 功能按钮 -->
-      <div class="mt-4 px-4">
-        <!-- 状态筛选 -->
-        <div class="flex items-center justify-end mb-4">
-          <div @click="showStatusPopup = true" class="flex items-center text-sm text-gray-600 cursor-pointer">
-            <span>{{ formatStatus(statusFilter) }}</span>
-            <van-icon name="arrow-down" size="14" class="ml-1" />
-          </div>
-        </div>
-      </div>
 
       <!-- 使用van-sticky包裹van-tabs实现粘性布局 -->
       <div class="bg-white" style="margin: 1rem;">
@@ -112,6 +102,16 @@
           </van-tabs>
         </van-sticky>
       </div>
+      <!-- 功能按钮 -->
+      <div v-show="activeTab === 'statistics'" class="mt-4 px-4" style="padding-right: 1.25rem;">
+        <!-- 状态筛选 -->
+        <div class="flex items-center justify-end mb-4">
+          <div @click="showStatusPopup = true" class="flex items-center text-sm text-gray-600 cursor-pointer">
+            <span>{{ formatStatus(statusFilter) }}</span>
+            <van-icon name="arrow-down" size="14" class="ml-1" />
+          </div>
+        </div>
+      </div>
 
       <!-- 记录列表 -->
       <van-list v-show="activeTab === 'statistics'" v-model:loading="recordLoading" :finished="recordFinished"