.banner {
    position: relative;
    width: 100%;
    height: 58.125rem;
    padding-top: 23.3125rem;
    text-align: center;
    /* background: url('http://static.web3di.com/img/banner.png') no-repeat center; */
    background: url('http://static.web3di.com/img/index.gif') no-repeat center;
    background-size: 100% 100%;
    color: #ffffff;
}
.banner h3 {
    height: 3.125rem;
    margin-bottom: 2.5rem;
    text-shadow:0px 3px 10px rgba(0,0,0,0.16);
    font-size: 3.125rem;
    font-weight:bold;
}
.banner-nav {
    display: flex;
    justify-content: center;
    margin-bottom: 6.25rem;
    height: 1.5rem;
}
.banner-nav ul {
    display: flex;
    align-items: center;
}
.banner-nav li {
    width: 7.775rem;
    border-right: .0625rem solid rgba(255,255,255,0.8);
    text-shadow:0px 3px 10px rgba(0,0,0,0.16);
    font-size: .75rem;
    color: rgba(255,255,255,0.8);
}
.banner-nav li:last-child {
    border-right:none;
}
.banner-more {
    font-size: 0;
}
.banner-more a,
.business-item1 .business-item-more a {
    display: inline-block;
    width: 12.25rem;
    height: 3.875rem;
    line-height: 3.875rem;
    border-radius: .25rem;
    background:linear-gradient(90deg,rgba(51,102,255,1) 0%,rgba(51,153,254,1) 100%);
    font-size: .875rem;
    color: #ffffff;
}
.business,
.news
 {
    width: 100%;
    padding: 5.25rem 0;
    background: linear-gradient(180deg, #213542 0%, #101417 100%);
    color: #ffffff;
}

.content-all {
    position: relative;
    width: 90.125rem;
    margin: 0 auto;
}
.business-top,
.news-top

 {
    display: flex;
    height: 2.1875rem;
    line-height: 2.1875rem;
    margin-bottom: 1.875rem;
}
.business-top h3,
.news h3 {
    flex: 5;
    font-size: 2.1875rem;
    color: #ffffff;
}
.business-top div,

.news-top div {
    flex: 1;
    text-align: right;
}
.business-top a {
    position: relative;
    font-size: .875rem;
    color: #ffffff;
}

.business-content {
    display: flex;
    justify-content: space-between;
}
.business-item {
    width: 16.875rem;
    height: 41rem;
    padding: 3.625rem 2.3125rem;
    text-align: center;
    background: url('https://static.web3di.com/kushixiu/business-item.png') no-repeat center;
    color: #ffffff;
}
.business-item img {
    width: 5.375rem;
    height: 5.21875rem;
    margin-bottom: 2.875rem;
}
.business-item-info {
    height: 12rem;
    padding: 2.125rem 0;
    margin: 3.0rem 0 3.375rem 0;
    border-top:1px solid rgba(166,166,166,0.3);
    border-bottom:1px solid rgba(166,166,166,0.3);
    text-align: left;
    font-size: 1rem;
    line-height: 1.9rem;
}

.business-item-info p{
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 4;
    -webkit-box-orient: vertical;
    text-align: justify;
}
.business-item2 a {
    color: rgba(0, 164, 255, 1);
    font-size: 0.875rem;
    padding-top: 1rem;
}
.business-item h3 {
    font-size: 2.0rem;
    white-space: nowrap;
    font-weight: normal;
}
.business-item1{
    width: 16.875rem;
    background: url('https://static.web3di.com/kushixiu/business-item1.png') no-repeat center;
    /* background-size: 100% 100%; */
    color: #ffffff;
}
.business-item1 .img1 {
    display: none;
}
.business-item1 .img2{
    display: inline-block;
}
.business-item2 .img1 {
    display: inline-block;
}
.business-item2 .img2 {
    display: none;
}
.business-item2 {
    width: 16.875rem;
    box-shadow:0px 10px 40px rgba(0,0,0,0.06);
    border-radius: .25rem;
}
.business-item1 .business-item-info {
    border-top:1px solid rgba(102,102,102,0.2);
    border-bottom:1px solid rgba(102,102,102,0.2);
    text-align: center;
}
.business-item1 .business-item-more {
    font-size: 1.125rem;
    color: #3385FF;
}

.cooperation {
    position: relative;
    padding: 5.25rem 0;
    background: linear-gradient(180deg, #00A4FF 0%, #007FE1 100%);
}
.cooperation h3 {
    font-size: 2.1875rem;
    color: #ffffff;
}
.jdcenter {
    position: absolute;
    top: 0;
    left: 16.5625rem;
    right: 16.5625rem;
}
.oprs {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.opr-item {
    width: 13.625rem;
    height: 7.125rem;
    margin-bottom: 1.375rem;
    border-radius:4px;
}
.opr-item:hover {
    box-shadow:0px 6px 16px rgba(0,0,0,0.06);
}
.opr-item img{
    width: 13.625rem;
    height: 7.125rem;
    border-radius:4px;
}
.content-all-title {
    text-align: center;
    color:rgba(0,0,0,1);
    margin-bottom: 3.75rem;
}
.content-all-title h3{
    font-size: 2.1875rem;
    margin-bottom: 1.5rem;
}
.content-all-title p {
    font-size: 1.25rem;
    color: #ffffff;
}
.news-title p {
    font-size: .875rem;
    color:rgba(153,153,153,1)
}
.news {
    position: relative;
    background: linear-gradient(180deg, #00A4FF 0%, #007FE1 100%);
}
.jdall {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.news-top a {
    color: #ffffff;
    font-style: .875rem;
}
.news-content {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.news-item {
    width: 43.75rem;
    height: 12.0625rem;
    padding: 1.3125rem 1.625rem;
    margin-top: 22px;
    border:1px solid rgba(233,233,233,1);
    background: #ffffff;
}
.news-item:hover {
    box-shadow:0px 6px 16px rgba(0,0,0,0.06);
}
.news-item>a {
    display: flex;
}
.news-item-left {
    width: 11.75rem;
}
.news-item-right {
    padding: 0 1.375rem;
}
.news-item img {
    width: 11.75rem;
    height: 8.75rem;
}
.news-item h4 {
    width: 26.4375rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    font-size: 1.25rem;
    color: #333333;
}
.news-item p {
    width: 26.375rem;
    height: 3.0625rem;
    margin: 1.6875rem 0;
    line-height: 2rem;
    font-size: 1rem;
    color: #666666; 
}
.news-time {
    font-size: 1rem;
    color: #999999;
}
.business-content-m{
    display: none;
}
@media screen and (max-width: 750px) {
.business,
.news,
.cooperation{
    width: 100%;
    padding: 2.5rem 2.5rem;
    background-color: #F9F9F9;
}

    .banner {
        height: 28.25rem;
    }
    .banner{
      padding-top: 9.4375rem;
    }
    .banner h3 {
        height: 3.125rem;
    }
    .banner-nav {
        font-size: 1.375rem;
        margin-bottom: 4.375rem;
    }
    .business-content {
        flex-wrap: wrap;
    }
    .content-all {
        width: 100%;
    }
    .business-item {
        width: 20.25rem;
        height: 33.75rem;
        padding-top: 2.75rem;
        margin-bottom: 1.375rem;
    }
    .business-top,
    .news-top
    { 
        margin-bottom: 2.5rem;
    }
    .business-item,
    .business-item1,
    .business-item2 {
        width: 16.875rem;
        padding: 2.5rem 1.375rem;
    }
    .business-item img {
        margin-bottom: 1.625rem;
    }
    .business-item h3 {
        margin-bottom: 2.375rem;
    }
    .business-item-info {
        display: flex;
        height: 12rem;
        font-size: .75rem;
        flex-wrap: wrap;
        padding: 0;
        margin: 0;
        align-items: center;
    }
    .business-item-info p {
        text-align: left;
    }
    .business-item-more {
        margin-top: .875rem;
    }
    .business-content-pc{
        display: none;
    }
    .business-content-m{
        display: flex;
    }
    .business-content .item{
        text-align: center;
        width: 8.37rem;
    }
    .business-content .item img{
        width:5.225rem;
    }
    .business-content .item h3{
        margin-top:1.25rem;
        font-weight: normal;
        font-size:1.5rem;
        color: #333333;
    }
    .opr-item,
    .opr-item img {
        width: 13.125rem;
        height: 6.75rem;
        margin-bottom: 1.25rem;
    }
    .opr-item:nth-child(n+13) {
       display: none;
    }
    .news-item {
        height: 14.5rem;
        margin: 0;
        padding: 1.875rem 0;
        border: none;
        border-bottom: 1px solid rgba(233,233,233,1);
    }
    .news-top {
        margin-bottom: .625rem;
    }
    .news-item-left,
    .news-item-left img{
        height: 10.75rem;
        width: 16.125rem;
    }
    .news-item-right {
        height: 9.75rem;
    }
    .news-item-right p {
      height: 4.55rem;
      letter-spacing: 0;
      overflow: hidden;
      display: -webkit-box;
      text-overflow: ellipsis;
      -webkit-line-clamp: 2;  /*要显示的行数*/
      -webkit-box-orient: vertical;
        margin: 1.1875rem 0;
        line-height: 2.5rem;
    }
   

}