body {
    margin: 0;
    -webkit-user-select: none;
    -webkit-text-size-adjust: 100%;
    background: #fff;
    padding-top: 80px;
}
.content-wrap {
    width: 100%;
    min-width: 1180px;
    height: 100%;
}
header {
    width: 100%;
    height: 80px;
    position: fixed;
    background-color: #fff;
    top: 0;
    z-index: 99;
}
header .header {
    width: 100%;
    max-width: 1200px;
    min-width: 900px;
    height: 80px;
    line-height: 80px;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}

header .header .logo-wrap .logo {
    width: 200px;
    height: 100%;
}
header .header .logo-wrap .logo a {
    display: inline-block;
    width: 100%;
    height: 100%;
}
header .header .logo-wrap .logo a img {
    width: 100%;
    margin-top: 12px;
}
header .header .nav-wrap {
    position: relative;
}
header .header .nav-wrap a {
    display: block;
    width: 100px;
    height: 80px;
    line-height: 80px;
    text-align: center;
    font-size: 16px;
    color: #9b9b9b;
    cursor: pointer;
}
header .header .nav-wrap ul {
    position: relative;
    z-index: 333;
}
header .header .nav-wrap .active a {
    color: #1d75bd;
    z-index: 22;
}
header .header .nav-wrap .underline {
    position: absolute;
    width: 100px;
    height: 80px;
    background:  #E9F6FF;
    top: 0;
    left: 0;
}
header .header .nav-wrap .underline .nav-line {
    width: 100px;
    height: 4px;
    position: absolute;
    background: #1d75bd;
    bottom: 0;
    left: 0;
}
.banner-wrap {
    width: 100%;
    max-height: 600px;
    margin: 0 auto;
}
.banner-wrap .swiper-container {
    width: 100%;
    min-width: 1180px;
    height: 100%;
}
.banner-wrap img {
    width: 100%;
    min-width: 1180px;
    height: 100%;
}

.aboutus-wrap{
    width: 100%;
    height: 365px;
    z-index: 5;
    position: relative;
    top: -100px;
}
.aboutus-wrap .about-us{
    height: 430px;
    width: 66%;
    min-width: 1180px;
    border-radius: 10px;
    margin: 0 auto;
    padding: 40px 50px;
    background: #1d75bd;
    box-shadow: 0 15px 20px #1d75bd;
    /*background: url(../images/aboutus.png) no-repeat;*/
    margin-bottom: -100px;
    background-size: 100% 400px;
    z-index: 5;
    color: #fff;
    font-size: 18px;
}
.aboutus-wrap .about-us-t3,.about-us-t4{
    line-height: 30px;
}
.aboutus-wrap .about-us-t3{
    margin: 16px 0 24px;
}

section .feature-wrap{
    width: 100%;
    height: 600px;
    /*background: #E9F6FF;*/
}
section .feature{
    width: 1180px;
    margin: 0 auto;
    height: 600px;
    padding: 45px 0 60px;
    color: #1d75bd;
}
section .feature-list-wrap{
    width: 1180px;
    display: flex;
    justify-content: space-between;
}
section .feature-wrap .feature-list{
    width: 280px;
}
section .feature-wrap .feature-list .feature-icon{
    width: 150px;
    height: 150px;
    background: url(../images/t3.png);
    background-size: 150px;
    margin-top: 70px;
    margin-left: 75px;
}
section .feature-wrap .feature-list .feature-icon1{
    width: 150px;
    height: 150px;
    background: url(../images/t1.png);
    background-size: 150px;
    margin-top: 70px;
    margin-left: 75px;
}
section .feature-wrap .feature-list .feature-icon2{
    width: 150px;
    height: 150px;
    background: url(../images/t2.png);
    background-size: 150px;
    margin-top: 70px;
}
section .feature-wrap h3{
    font-size: 24px;
    color: #1d75bd;
    line-height: 24px;
    margin: 40px 0;
}
section .feature-wrap ul li{
    font-size: 18px;
    line-height: 33px;
}
section .feature-wrap .cooperation {
    position: relative;
    padding-top: 55px;
}
section .feature-wrap .cooperation .cooperation-title {
    width: 204px;
    height: 42px;
    margin: 0 auto 30px;
}
section .feature-wrap .cooperation .cooperation-title img {
    width: 100%;
}
section .feature-wrap .cooperation .cooperation-arrow .arrow-left,
.feature-wrap .cooperation .cooperation-arrow .arrow-right {
    position: absolute;
    top: 140px;
    width: 20px;
    height: 20px;
}
section  .feature-wrap .cooperation .cooperation-arrow .arrow-left {
    border-left: 2px solid #1d75bd;
    border-top: 2px solid #1d75bd;
    transform: rotate(-45deg);
    left: 50px;
}
section  .feature-wrap .cooperation .cooperation-arrow .arrow-right {
    right: 50px;
    border-right: 2px solid #1d75bd;
    border-top: 2px solid #1d75bd;
    transform: rotate(45deg);
}
section .feature-wrap .cooperation .swiper-container {
    height: 42px;
    width: 966px;
    overflow: hidden;
    background-color:  #E9F6FF;
}
section .feature-wrap .cooperation .swiper-container .swiper-slide {
    height: 42px;
    background:  #E9F6FF ;
    position: relative;
}
section .feature-wrap .cooperation .swiper-container .swiper-slide img {
    width: 160px;
    /* height: 42px; */
}
section .news-wrap {
    /*color:#1d75bd;*/
    /*margin: 50px 0;*/
}

section .news-wrap .news-tit{
    color:#1d75bd;
    margin: 50px 0;
}

section .news-wrap .news{
    max-width: 1180px;
    margin: 0 auto;
    overflow: hidden;
}
section .news-wrap .news li{
    overflow: hidden;
    width: 100%;
    float: left;
}
section .news-wrap .news .left{
    width: 70px;
    border-right: 1px #979797 solid;
    height: 350px;
    text-align: right;
    float: left;
    padding-right: 10px;

}
section .news-wrap .news .left span:nth-child(1){
    font-size: 36px;
    color: #999999;
    display: block;
    margin-top: 15px
}
section .news-wrap .news .left span:nth-child(2){
    font-size: 20px;
    color: #999999;
    display: block;
    margin-top: 20px
}
section .news-wrap .news .left span:nth-child(3){
    font-size: 20px;
    color: #999999;
    display: block;
    margin-top: 50px
}
section .news-wrap .news .center{
    width: 500px;
    float: left;
    margin-left: 30px;
    letter-spacing: 1px
}
section .news-wrap .news .center img{
    width: 500px;
    height: 350px;
    float: left;
}
section .news-wrap .news .right{
    width: calc(100% - 550px - 90px);
    float: left;
    margin-left: 30px;
    letter-spacing: 1px
}

section .news-wrap .news .right h4{
    float: left;
    margin-top: 15px
}

section .news-wrap .news .right h4 a{
    color: #333333;
    font-size: 16px;

}
section .news-wrap .news .right p{
    margin-top: 60px;
    overflow: hidden;
    text-overflow: ellipsis;
    text-align: justify;
}
section .news-wrap .news .right p a{
    color: #999999;
    font-size: 14px
}
section .news-wrap .news .right>a{
    color: #1d75bd;
    font-size: 12px;
    margin-top: 20px;
    display: block
}

section .introduction-wrap{
    width: 100%;
    min-height: 1200px;

}
section .introduction-wrap .introduction-tit{
    color: #1d75bd;
    margin: 50px 0;
}
section .introduction-wrap .introduction{
    max-width: 1180px;
    /* height: 1200px; */
    margin: 0 auto;
    /*background: url(../images/2.png) no-repeat 0 300px;*/
    background-size: 100%;
}
section .introduction-wrap .introduction .intr-content1{
    width: 100%;
    position: relative;
    height: 400px;
}
section .introduction-wrap .introduction .intr-content1:nth-of-type(3){

    height: 400px;
}
section .introduction-wrap .introduction .intr-content1 .fk-tit{
    width: 600px;
    margin-top: 20px;
    line-height: 30px;
}
section .introduction-wrap .introduction .intr-content1 .phone1{
    margin: 30px 30px 0 120px;
    height: 560px;
}
section .introduction-wrap .introduction .intr-content1 .phone2{
    margin: 30px 60px 0 0px;
    height: 380px;
}
section .introduction-wrap .introduction .intr-content1 .phone3{
    margin: 30px 30px 0 60px;
    width: 380px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap {
    margin-top: 210px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap-wc {
    margin-top: 60px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap .fk-wrap-top{
    height: 80px;
    line-height: 80px;
    font-size: 24px;
    color: #666666;
    letter-spacing: 1px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap .fk-wrap-btm{
    height: 105px;
    font-size: 16px;
    line-height: 24px;
    color: #666666;
    letter-spacing: 1px;
    margin-top: 36px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap .fk-wrap-top .fk-icon{
    height: 72px;
    margin: 0 20px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap .fk-wrap-btm .fk-code{
    height: 145px;
}

section .introduction-wrap .introduction .intr-content1 .fk-wrap .fk-wrap-top .af-icon{
    height: 80px;
    margin:0 40px;
}
section .introduction-wrap .introduction .intr-content1 .fk-wrap .fk-wrap-btm .af-code{
    height: 145px;
}




section .development-wrap{
    width: 100%;
    height: 1000px;
    margin-top: -100px;
    /*background-color:  #E9F6FF;*/
}
section .development-wrap .development-tit{
    color: #1d75bd;
    padding: 36px 0 80px;
}
section .development-wrap .dev-history{
    width: 1120px;
    margin: 0 auto;
    height:900px;
    background: url(../images/1.png) bottom center no-repeat;
    background-size: 1120px;
    position: relative;
}
section .development-wrap .dev-history .development ul li{
    width: 1120px;
    height: 60px;
    line-height: 60px;
    font-size: 15px;
    color: #FFFFFF;
    margin-bottom: 25px;
}
section .development-wrap .dev-history .development ul li:nth-of-type(odd){
    background: url(../images/4.png) left no-repeat;
    background-size: 511px 60px;
    text-align: right;
    padding-right: 545px;
}
section .development-wrap .dev-history .development ul li:nth-of-type(even){
    background: url(../images/3.png) right no-repeat;
    background-size: 511px 60px;
    padding-left: 545px;
}
section .development-wrap .dev-history .development ul .min-icon{
    width: 20px;
    vertical-align: middle;
    margin-left: 80px;
}
section .development-wrap .dev-history .development ul .max-icon{
    width: 40px;
    vertical-align: middle;
    margin-right: 60px;
}
section .development-wrap .dev-history .dev-line{
    width: 2px;
    height:600px;
    background: #1d75bd;
    position: absolute;
    top: 200px;
    left: 564px;
}
section .development-wrap .institutions-tit{
    width: 204px;
    margin: 0 auto 20px;
}

section .development-wrap .institutions .institutions-list{
    width: 1120px;
    height: 170px;
    background: #FFFFFF;
    box-shadow: 0 16px 18px 0 rgba(29, 189, 177, 0.36);
    border-radius: 10px;
    margin: 0 auto 30px;
    padding: 0 18px;
    display: table;

}
section .development-wrap .institutions .institutions-list .institutions-icon{
    display: table-cell;
    width: 203px;
    margin-right: 20px;
    vertical-align: middle;
    text-align: center;
}
section .development-wrap .institutions .institutions-list .institutions-txt {
    /* align-items: center; */
    display: table-cell;
    vertical-align: middle;
    font-size: 16px;
    color: #9B9B9B;
    line-height: 26px;
    width: 860px;
}


section .address-wrap{
    width: 100%;
    min-width: 1180px;
    position: relative;
}
section .address-wrap img{
    width: 100%;
}

section .address-tit{
    color: #fff;
    position: absolute;
    left: 50%;
    top: 50px;
    transform: translateX(-50%)
}
section .address-tit1{
    width: 520px;
    height: 180px;
    background: #FFFFFF;
    border: none;
    box-shadow: 0px 16px 18px 0px rgba(18, 161, 231, 0.36);
    border-radius: 10px;
    position: absolute;
    top: 35%;
    right: 52%;
    padding: 42px 50px;
    font-size: 20px;
    color: #2E464D;
}
section .address-tit1 p{
    line-height: 48px;
}

@media screen and (max-width:1600px){
    .address-tit1{
        transform: scale(.8,.8)
    }
}
/* footer */
footer {
    width: 100%;
    background: #2e464d;
}
footer .footer-wrap {
    max-width: 1180px;
    min-width: 1020px;
    height: 325px;
    margin: 0 auto;

}
footer .footer-wrap .footer {
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: space-around;
}
footer .footer-wrap .footer ul li {
    font-size: 14px;
    line-height: 28px;
    color: #1d75bd;
    margin: 12px 0;
}
footer .footer-wrap .footer ul .tel-num {
    font-size: 28px;
}
footer .footer-wrap .footer ul .e-mail {
    font-size: 20px;
}
footer .footer-wrap .footer ul li:first-child {
    font-size: 20px;
    margin: 36px 0;
}
footer .footer-wrap .footer .wx-code {
    vertical-align: middle;
    width: 20px;
}
footer .footer-wrap .footer .qr-code {
    width: 80px;
    margin-left: 6px;
}
/* footer-line */
footer .footer-line {
    width: 100%;
    min-width: 1020px;
    height: 75px;
    font-size: 12px;
    color: #ffffff;
    line-height: 12px;
    background:  #4682B4;
    text-align: center;
    padding: 15px;
    line-height: 24px;
}
footer .footer-line a {
    color: #fff;
    text-decoration: underline;
    margin-right: 10px;
}
footer .footer-line .icon {
    width: auto;
    height: 20px;
    padding-right: 5px;
    vertical-align: -5px;
}