.app_down_lin {
    width: 100%;
    height: 259px;
    line-height: 259px;
    text-align: center;
    margin-bottom: 50px;
}

.app_down_child {
    margin: 0 auto;
    width: 900px;
    height: 219px;
}

.app_down_item {
    line-height: 0;
    width: 280px;
    height: 199px;
    background-color: #fff;
    float: left;
    cursor:pointer
}

.app_down_item_1 {
}

.app_down_item_2 {
    margin-right: 15px;
    margin-left: 15px;
}

.app_down_item_3{

}


.app_down_lin img {
    margin-top: 38px
}

#qrcode_img{
    width: 100px;
    height: 100px;
    margin-top: 30px;
}

.app_down_lin p {
    color: #333;
    margin-top: 25px
}

.app_down_item_3 p{
    margin-top: 15px;
    margin-bottom: 5px;
    padding-bottom: 5px;
}