位置信息（精确/粗略）：用于在地图上显示你的位置、规划路线并进行实时导航。为返回搜索结果与路线，位置坐标会发送至高德地图（AMap）服务器。
Location is used for map display, route planning and turn-by-turn navigation, and is sent to AMap servers to compute POI results and routes.
目的地搜索关键词：你说出的目的地经语音识别转为文字后，发送至高德地图（AMap）服务器以检索地点。
The destination keyword you speak is converted to text and sent to AMap servers to search places.
麦克风音频：仅用于语音输入目的地。音频经 Apple 系统语音识别（Speech）转写为文字，不会被本应用存储，也不会上传到开发者的服务器。
Microphone audio is used only for voice input; it is transcribed by Apple's on-system Speech recognition and is not stored by the app nor uploaded to the developer.
收藏地点（家/公司/常用）：仅保存在你的设备本地（UserDefaults），不会上传或共享。
Saved favorite places are stored only locally on your device and are never uploaded or shared.