.section-1 .banner {
    width: 100%;
    height: 435px;
    background: url(../images/ssabout/aboutbanner.png) center center no-repeat;
    text-align: center;
}
.section-1 .banner h1{
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 50px;
    color: #FFFFFF;
    opacity: 0.99;
    padding-top: 100px;
    margin-top: -5px;
}



.section-2 {
    position: relative;
    margin-top: -70px;
    margin-bottom: -70px;
}

.section-2 .nav {
    width: 1200px;
    height: 140px;
    background: #ffffff;
    box-shadow: 0px 3px 20px rgba(26, 67, 149, 0.16);
    border-radius: 8px;
    display: flex;
    flex-direction: row;
}

.section-2 .nav .item {
    flex: 1;
    text-align: center;
    border-right: 1px solid #E6E6E6;
    margin: 25px 0;
}

.section-2 .nav .item:last-child {
    border-right: 0;
}

.section-2 .nav .item .num {
    display: flex;
    flex-direction: row;
    justify-content: center;
}

.section-2 .nav .item .num .txt {
    height: 54px;
    width: 91px;
    background: #ffffff;
    font-size: 44px;
    font-family: Arial;
    font-weight: 400;
    line-height: 62px;
    color: #fa6c00;
    opacity: 1;
}

.section-2 .nav .item .num .text {
    font-family: Arial;
    color: #fa6c00;
    font-size: 24px;
    height: 24px;
    line-height: 24px;
    margin: 22px 0 0 5px;
}

.section-2 .nav .item .desc {
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 26px;
    color: #8591A3;
    opacity: 1;
}


.section-3 .left {
    float: left;
    width: 527px;
    margin: 20px 74px 0 40px;
}

.section-3 .left h2 {
    font-size: 36px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 40px;
    color: #021940;
    opacity: 1;
}

.section-3 .left p {
    margin-top: 30px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 28px;
    color: #021940;
    opacity: 1;
}

.section-3 .right {
    float: right;
}


.section-3 .right  .img {
    width: 514px;
    height: 290px;
    text-align: center;
    cursor: pointer;
}

.section-3 .right .img img {
    width: 520px;
    height: 413px;
    margin-top: 100px;
}


.section-4 .img-list ul li{
    width: 273px;
    height: 410px;
    background: #FFFFFF;
    box-shadow: 0px 0px 20px rgba(26, 67, 149, 0.16);
    opacity: 1;
    border-radius: 8px;
    margin-left: 26px;
    padding: 0;
}
.section-4 .img-list ul li h4{
    margin-top: 20px;
}
.section-4 .img-list ul li p{
        text-align: center;
        margin: 20px 24px 0px 24px;
        height: 100px;
        font-size: 14px;
        font-family: MicrosoftYaHei;
        line-height: 19px;
        color: #8591A3;
        opacity: 1;
}
.section-4 .img-list ul li .iconfont{
    margin-top: 60px;
}

.section-5 .content {
    position: relative;
    height: 400px;
    margin-top: 80px;
}

.section-5 .map {
    width: 941px;
    height: 400px;
    float: left;
    position: relative;
    z-index: 2;
    text-align: left;
    left: -90px;
}

.section-5 .about-contact {
    width: 316px;
    height: 400px;
    background: rgba(255, 255, 255, 1);
    box-shadow: 0px 0px 8px rgba(26, 67, 149, 0.16);
    border-radius: 3px;
    position: absolute;
    right: 0;
    z-index: 9;
    padding: 30px;
    box-sizing: border-box;
}

.section-5 .about-contact h1 {
    font-size: 24px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    line-height: 40px;
    color: #021940;
    opacity: 1;
}

.section-5 .about-contact .item {
    font-size: 16px;
    color: #333;
    overflow: hidden;
    margin-top: 30px;
}

.section-5 .about-contact .item span {
    display: block;
    float: left;
    width: calc(100% - 30px);
    margin-left: 6px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    line-height: 19px;
    color: #021940;
    opacity: 1;
}

.section-5 .about-contact .item i {
    width: 24px;
    height: 24px;
    display: inline-block;
    float: left;
}

.section-5 .about-contact .item1 i {
    background-position: 0 3px;
}

.section-5 .about-contact .item2 i {
    background-position: -20px 0px;
}

.section-5 .about-contact .item3 i {
    background-position: -45px 0;
}

.section-5 .about-contact .btn {
    width: 140px;
    height: 44px;
    background: #fa6c00;
    display: block;
    text-align: center;
    line-height: 44px;
    color: #fff;
    font-size: 16px;
    margin-top: 30px;
}