11/28 - 29 订房
12/31 前完成 stay
https://www.ihg.com/content/us/en/deals/hotel-offers/cybersale
如果有人一样没办法显示注册页面的话, 可以试试看
https://www.ihg.com/rewardsclub/us/en/offers/promoreg/
Promo code 72853