.hearder{height:60px;line-height:60px;color:#333;font-size:24px;font-weight:500}.act-item{border-bottom:1px solid #ddd;padding-bottom:20px}.middle-title{color:#333;font-size:15px;font-weight:700}.middle-desc{color:grey;font-size:14px;margin-top:10px}.middle-time{color:#333;font-size:13px;margin-top:10px;margin-bottom:10px}.middle-bottom{color:#333;font-size:13px;display:-ms-flexbox;display:flex;-ms-flex-wrap:wrap;flex-wrap:wrap}.flex-1{margin-right:5px}.margin-top-xs{margin-top:10px}