style(Dashboard): 调整拍照按钮图标大小以适应不同设备

根据设备类型动态设置拍照按钮图标大小，提升平板设备上的视觉体验

 <!--
  * @Date: 2025-08-27 17:43:45
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-19 23:46:06
+ * @LastEditTime: 2025-09-20 10:26:33
  * @FilePath: /lls_program/src/pages/Dashboard/index.vue
  * @Description: 首页
 -->
@@ -74,8 +74,8 @@
             <!-- 底部：拍照留念 -->
             <template #footer>
               <view @tap="openCamera" class="w-full bg-blue-500 text-white py-3 rounded-lg flex flex-col items-center justify-center">
-                <view class="flex items-center justify-center">
-                  <Photograph size="20" class="mr-2" />
+                <view class="flex items-center justify-center text-sm">
+                  <Photograph :size="isTabletDevice ? 35 : 20" class="mr-2" />
                   拍照留念，奖励积分
                 </view>
               </view>