.middle .index-bg {
    width: 100%;
    height: 480px;
    position: relative;
    background: url("../../static/images/download-bg.jpg") center center no-repeat;
    margin-bottom: 70px;
}
.middle .index-bg-title {
    padding-top: 196px;
    color: #fff;
    text-align: center;
    font-size: 46px;
}
.content1 {
    background: #f9f9f9;
    height: 480px;
}
.content1 .content1-main, .content2 .content2-main {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
}
.content1 .content1-main .border-line {
    display: block;
    width: 1px;
    height: 240px;
    background: rgba(249,173,44,1);
    margin-top: 126px;
}
.content1 .content1-main .item img {
    display: block;
    margin: 0 auto;
}
.content1 .content1-main .item {
    text-align: center;
    padding-top: 55px;
}
.content1 .content1-main .code {
    width: 240px;
    height: 240px;
    margin: 23px auto 17px !important;
}
.content1 .content1-main .item p {
    font-size: 12px;
    color: #999;
    margin-bottom: 5px;
}
.content1 .content1-main .item div {
    font-size: 24px;
    color: #232323;
}
.content2-title {
    font-size: 40px;
    color: #232323;
    padding-top: 114px;
    padding-bottom: 65px;
    text-align: center;
}
.content2-main {
    padding-bottom: 75px;
    overflow: hidden;
}
.content2-main .item-box {
    width: 240px;
    height: 240px;
    border: 1px solid rgba(238,238,238,1);
    border-radius: 5px;
    text-align: center;
    margin-bottom: 20px;
}
.content2-main .item-box img {
    margin-top: 32px;
}
.content2-main .item-box .code-img {
    width: 140px;
    height: 140px;
}
.content2-main .item-box:first-child div {
    font-size: 14px;
    color: #232323;
}
.content2-main .item {
    text-align: center;
}
.content2-main .desc {
    font-size: 20px;
    color: #232323;
    line-height: 26px;
}
.content2-main .item:nth-child(2) .desc {
    margin-top: 33px;
}
.content2-main .item-box img {
    width: 180px;
    height: 180px;
}