.banner{
    position: relative;
}
.back{
    width: 100%;
}
.con_wrap{
    position: absolute;
    width: 100%;
    left: 0;
    top: 28%;
}
.d_info{
    font-size: 36px;
    line-height: 1.5;
    font-weight: 700;
}
.download_wrap{
    padding-top: 6%;
    min-width: 750px;
}
.items{
    float: left;
    width: 13%;
    text-align: center;
    padding-top: 2.9%;
    padding-bottom: 2.5%;
    position: relative;
}
.hover_item{
    background: #dedede;
}
.hover_item .d_btn{
    background: #0e15e9;
    color: #fff;
}
.items:hover{
    background: #dedede;
}
.items:hover .d_btn{
    background: #0e15e9;
}
/*.items:hover .d_mac_btn{
    background: #ccc;
}*/
.items img{
    margin-bottom: 15%;
    height: 30px;
}
.qrcode{
    display: none;
    position: absolute;
    background: url("../images/common/qrcodeback1.png");
    background-size: 100% 100%;
    width: 72%;
    left: 50%;
    margin-left: -36%;
    top: 87%;
    padding: 8% 0 5%;
    z-index: 999;
    text-align: center;
}
.qrcode img{
    width: 80%;
    height: auto;
    margin-bottom: 0;
}
.ioscode:hover .qrcode,
.androidcode:hover .qrcode{
    display: block;
}
.d_btn{
    display: block;
    font-size: 14px;
    color: #000;
    width: 77%;
    margin: 0 auto;
    line-height: 35px;
    border-radius: 4px;
}
.d_mac_btn{
    display: block;
    font-size: 14px;
    color: #000;
    width: 77%;
    margin: 0 auto;
    line-height: 35px;
    border-radius: 4px;
}
.items:hover .d_btn{
    color: #fff;
}
.items:hover .d_mac_btn{
    color: #fff;
}
@media (min-width: 768px) {
    .d_info{
        font-size: 24px;
    }
}
@media (min-width: 992px) {
    .d_info{
        font-size: 28px;
    }
}
@media (max-width: 768px) {
    .d_info{
        font-size: 14px;
    }
    .download_wrap{
        width: 70%;
        min-width: auto;
    }
    .items{
        width: 50%;
    }
    .d_btn{
        font-size: 12px;
        line-height: 28px;
    }
    .back{
        width: 170%;
    }
}