预参加活动类型（多选）
*
必填字段
{"height":"0","width":"0","background-color":"#FFF","background-image":"none","background-position":"0 0","background-repeat":"no-repeat","background-gradient-top":"none","background-gradient-bottom":"none","background-scroll":"none","background-size":"auto","themeColorName":"","margin-top":"8","margin-left":"0","margin-right":"0","margin-bottom":"0"}
