领取%25E5%259C%25B0%25E5%25B9%25B3%25E7%25BA%25BF%25E8%25A5%25BF%25E4%25B9%258B%25E7%25BB%259D%25E5%25A2%2583steam优惠券时，请详细阅读优惠券的使用规则。