12306

查询中国铁路12306的列车时刻表、余票信息及车站信息。当用户询问关于中国的火车/高铁票务、时刻表或可用性时使用。

Query China Railway 12306 for train schedules, remaining tickets, and station info. Use when user asks about train/高铁/火车 tickets, schedules, or availability within China.