chore: 切回测试环境，弹窗样式微调，文案精简

- 域名切回测试环境，超时提示统一
- 删除弹窗样式调整（宽度/圆角/按钮颜色）
- 删除确认文案精简，同步 loading 文案统一为"加载中"
- 移除 connectedWifi 调试背景色

Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>

miniprogram/pages/equipmentMember/equipmentMember.ts

@@ -289,15 +289,17 @@ Page({
             showDeleteModal: false,
             deleteTarget: null,
         })
-
-        wx.showLoading({ title: '正在同步设备数据...', mask: true })
+		
+        wx.showLoading({ title: '加载中...', mask: true })
+        console.log('正在同步设备数据...')
 
         let devicePromise: Promise<void>
         if (merged.length) {
             devicePromise = lefuService.syncMembersToDevice(
                 merged.map(toDeviceMember),
                 (current, total) => {
-                    wx.showLoading({ title: `正在同步设备数据 ${current}/${total}...`, mask: true })
+                    wx.showLoading({ title: `加载中...`, mask: true })
+                    console.log(`正在同步设备数据 ${current}/${total}...`)
                 },
             )
         } else {