.topimg{
    display: block;
    max-height: 600rpx;
    overflow: hidden;
}
.titlebox{
    display: block;
    width: 100%;
    padding: 18rpx 30rpx;
    border-bottom: 2rpx solid #cccccc;
    box-sizing: border-box;
}
.activityname{
    display: block;
    line-height: 43rpx;
    width:500rpx;
}
.rightopnum{
    position: absolute;
    top: 50%;
    right: 30rpx;
    transform: translateY(-50%);
}
.timebox{
    display: block;
    width: 690rpx;
    margin: 0 auto;
    height: 68rpx;
    border-bottom: 2rpx solid #ECECEC;
    line-height: 66rpx;
}
.winprizebox{
    width: 690rpx;
    margin: 0 auto;
    padding: 20rpx 0 24rpx;
    line-height: 30rpx;
}
.winprizebox text{
    display: block;
    margin: 0 20rpx;
}
.bgbox{
    display: block;
    width: 100%;
    height: 20rpx;
    background-color: #f6f6f6;
} 
.activitymsgtitle{
    padding-left:30rpx;
    line-height:70rpx;
}
.activitymsg image{
    display:block;
    max-width:100%;
    height:auto;
}
.activitymsg{
    font-size:24rpx;
    padding:0 30rpx 60rpx;
}

.participatorylayer{
    display: block;
    width: 100%;
    height: 100%;
    position: fixed;
    z-index: 99;
    background: rgba(0, 0, 0, 0.77);
    top: 0;
    left: 0;
}
.participatorybox{
    display: block;
    width: 680rpx;
    background-color: #FFFFFF;
    border-radius: 10rpx;
    position: absolute;
    top: 50%;
    left: 35rpx;
    transform: translateY(-50%);
    max-height: 70%;
    box-sizing: border-box;
    padding-top: 98rpx;
}