/*广告样式*/
.adv-bg{
    background-color: #ec808d;
}
.adv-div{
    width: 100%;
    height: 100%;
}
.adv1{
    width: 336px;
    height: auto;
    margin: 20px auto;
}
.adv2{
    width: 336px;
    height: 280px;
    margin: 20px auto;
}
.adv3-bottom{
    position: fixed;
    z-index: 9999;
    bottom: 0;
    width: 100%;
    height: 50px;
    background-color: #d3d3d3;
}
.adv3{
    width: 320px;
    height: 50px;
    margin: 0 auto;
}
.adv4{
    width: 970px;
    height: 90px;
    margin: 20px auto;
}
.adv5{
    width: 970px;
    height: 250px;
    margin: 20px auto;
}

.adv-title{
    text-align: center;
}
.adv-title-bg{
    width: 100%;
    height: 100%;
    padding:5px 0 15px 0;
    background-color: #E0E0E0;
}
.dd{
    display: flex;
    justify-content: center;
    align-items: center;
}