.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: 12.375rem;
    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 {
    position: relative;
    width: 100%;
    padding: 5.25rem 0;
    background: #001A7E;
}
.jgtop {
    position: absolute;
    width: 100%;
    height: 8.125rem;
    top: 0;
    left: 0;
    right: 0;
}
.content-all {
    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: 4.375rem 2rem;
    text-align: center;
    background: rgba(17, 31, 152, .9);
    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: 1.9375rem 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: #3385FF;
    font-size: 0.875rem;
    padding-top: 1rem;
}

.business-item h3 {
    font-size: 2.0rem;
    white-space: nowrap;
    font-weight: normal;
}

.business-item1 {
    background: rgba(22, 55, 181, .9);
    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-color: #001A7E;
}

.cooperation h3 {
    font-size: 2.1875rem;
    color: #ffffff;
}

.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: #999999;
}

.news-title p {
    font-size: .875rem;
    color: rgba(153, 153, 153, 1)
}

.news {
    background: #001A7E;
}

.news-top a {
    position: relative;
    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;
    background: #ffffff;
    border: 1px solid rgba(233, 233, 233, 1);
}

.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: 20.25rem;
        height: 33.75rem;
        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;
    }


}