feat: 去掉导航栏、首页轮播全屏占屏1/3、场馆切换移至公告活动下方

- pages.json 全局设置 navigationStyle: custom 移除原生导航栏
- App.vue 全局 page 添加状态栏安全区 padding-top
- 综合场馆/冰场馆首页轮播图改为全屏模式(无圆角无边距、去除标题)
- 轮播图高度改为 33.33vh 占屏幕三分之一
- VenueSwitchHeader 从轮播图上方移至公告活动板块下方
- 合并 tabBar 页面路由、清理废弃组件 VenueTabBar

miniprogram/src/pages/ice/courses/index.vue

@@ -90,16 +90,13 @@
         compact
       />
     </view>
-    <VenueTabBar venue="ice" active="courses" />
   </view>
 </template>
 
 <script setup>
 import { ref, computed, onMounted } from 'vue'
-import { onPullDownRefresh, onReachBottom } from '@dcloudio/uni-app'
 import { courseApi } from '@/modules/ice/api/course'
 import { errorMessage } from '@/modules/ice/api/session'
-import VenueTabBar from '@/components/VenueTabBar.vue'
 import StatePanel from '@/components/ice/StatePanel.vue'
 
 const selectedDate = ref('')
@@ -138,20 +135,6 @@ onMounted(() => {
   loadInitialData()
 })
 
-onPullDownRefresh(() => {
-  page.value = 1
-  loadCourses().finally(() => {
-    uni.stopPullDownRefresh()
-  })
-})
-
-onReachBottom(() => {
-  if (hasMore.value && !isLoadingMore.value) {
-    page.value++
-    loadMoreCourses()
-  }
-})
-
 const loadInitialData = async () => {
   await Promise.all([loadCoaches(), loadCourses()])
 }
@@ -242,6 +225,20 @@ const formatTimeRange = (startStr, endStr) => {
   const endHhMm = `${pad(end.getHours())}:${pad(end.getMinutes())}`
   return `${mm}-${dd} ${startHhMm} - ${endHhMm}`
 }
+
+const refresh = async () => {
+  page.value = 1
+  await loadCourses()
+}
+
+const loadMore = () => {
+  if (hasMore.value && !isLoadingMore.value) {
+    page.value++
+    loadMoreCourses()
+  }
+}
+
+defineExpose({ refresh, loadMore })
 </script>
 
 <style lang="scss" scoped>