应用: 百度
任务: 打开百度，进入‘视频’页面，搜索‘游泳技巧’，播放第一个视频
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: CLICK
step_id: 3
action: TYPE
type_text: 游泳技巧
step_id: 4
action: CLICK
step_id: 5
action: CLICK
step_id: 6
action: CLICK
step_id: 7
action: STOP