.zt-checkbox-picker .title{font-size:16px;color:#888;text-align:center;margin-bottom:10px}.zt-checkbox-picker .van-checkbox-group{height:352px!important;max-height:352px;overflow-y:auto}.zt-checkbox-picker .popup-btn-group-footer{width:100%;position:absolute;bottom:0;left:0;margin-bottom:0}.zt-checkbox-picker .popup-btn-group-footer .van-button{height:38px;font-size:14px}