fix(CollapsibleCalendar): 调整日历弹窗高度为60%

修复日历弹窗高度过小的问题，提升用户体验

 <!--
  * @Date: 2025-01-25 15:34:17
  * @LastEditors: hookehuyr hookehuyr@gmail.com
- * @LastEditTime: 2025-09-25 09:37:57
+ * @LastEditTime: 2025-09-25 11:16:01
  * @FilePath: /mlaj/src/components/ui/CollapsibleCalendar.vue
  * @Description: 可折叠日历组件
 -->
@@ -41,7 +41,7 @@
         <van-popup
             v-model:show="isExpanded"
             position="top"
-            :style="{ height: '50%' }"
+            :style="{ height: '60%' }"
             @close="collapseCalendar"
         >
             <div class="calendar-popup-content">