绑卡流程（bank cards）

绑卡并支付流程
最上方的流程进度让用户更清楚自己需要做什么，
由于是线上交互所以填写用户信息那块留下了遗憾
Tie card and payment process
At the top of the process schedule lets users know what needs to be done, Because it is online interactive so fill out user information that leave your regrets.