应用: 浏览器
任务: 打开浏览器，搜索“Mac和Windows区别”
操作步骤:
step_id: 0
action: CLICK
step_id: 1
action: CLICK
step_id: 2
action: TYPE
type_text: Mac和Windows区别
step_id: 3
action: CLICK
step_id: 4
action: CLICK
step_id: 5
action: STOP