.section{
    overflow: hidden;
}
.section .wrap{
    width: 1420px;
    margin: 28px auto 96px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.section .wrap .images{
    width: 680px;
    height: 580px;
}
.section .wrap .images img{
    width: 100%;
    height: 100%;
}
.section .wrap .introduce .text span{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 43px 0;
}
.section .wrap .introduce .text p{
    width: 679px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
    line-height: 32px;
}
.section .wrap .introduce .link{
    margin: 72px 0 0 0;
}
.section .wrap .introduce .link{
    display: flex;
    align-items: center;
    margin: 66px 0 0 0;
}
.section .wrap .introduce .link a{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #004BAA;
    display: flex;
    align-items: center;
    margin: 0 50px 0 0;
}
.section .wrap .introduce .link a .iconfont{
    margin: 0 0 0 7px;
    font-size: 12px;
    color: rgba(0, 75, 170, 1);
}
.section2{
    overflow: hidden;
}
.section2 .wrap{
    width: 1420px;
    margin: 0 auto 97px;
}
.section2 .wrap .title{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    margin: 0 0 44px 0;
}
.section2 .wrap .content{
    display: flex;
    flex-wrap: wrap;
}
.section2 .wrap .content .item{
    width: 440px;
    margin: 0 50px 81px 0;
    position: relative;
    cursor: pointer;
}
.section2 .wrap .content .item:nth-child(3n) {
    margin: 0 0 81px 0;
}
.section2 .wrap .content .item .images{
    width: 440px;
    height: 270px;
    overflow: hidden;
}
.section2 .wrap .content .item .images img{
    width: 100%;
    height: 100%;
    transition: 1.5s;
}

.section2 .wrap .content .item:hover .images img{
    transform: scale(1.1);
}

.section2 .wrap .content .item .text{
    width: 380px;
    height: 70px;
    background: #FFFFFF;
    box-shadow: 0px 0px 20px 0px rgba(0,0,0,0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: -35px;
}
.kep_more{
    width: 270px;
    height: 50px;
    background: #004BAA;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 60px auto 0;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #FFFFFF;
}
.section3{
    overflow: hidden;
    background: #F5F5F5;
}
.section3 .wrap{
    width: 1420px;
    margin: 78px auto 47px;
}
.section3 .wrap .title{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    text-align: center;
    margin: 0 0 29px 0;
}
.section3 .wrap .content{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.section3 .wrap .content .item{
    width: 690px;
    margin: 0 0 49px 0;
    cursor: pointer;
}
.section3 .wrap .content .item .images{
    width: 100%;
    height: 270px;
    overflow: hidden;
}
.section3 .wrap .content .item .images img{
    width: 100%;
    height: 100%;
    transition: 1.5s;
}
.section3 .wrap .content .item .text{
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    margin: 24px 0 0 0;
}
.section3 .wrap .content .item:hover .images img{
    transform: scale(1.1);
}
.section4{
    overflow: hidden;
}
.section4 .wrap{
    width: 1420px;
    margin: 76px auto;
}
.section4 .wrap .title{
    font-size: 40px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    margin: 0 0 38px 0;
    text-align: center;
}
.section4 .wrap .content{
    display: flex;
    flex-wrap: wrap;
}
.section4 .wrap .content .item{
    width: 440px;
    margin: 0 50px 30px 0;
}
.section4 .wrap .content .item:nth-child(3n) {
    margin: 0 0 30px 0;
}
.section4 .wrap .content .item .picture{
    width: 100%;
    height: 270px;
    overflow: hidden;
}
.section4 .wrap .content .item .picture img{
    width: 100%;
    height: 100%;
    transition: 1.5s;
}
.section4 .wrap .content .item .text{
    margin: 25px 0 0 0;
}
.section4 .wrap .content .item .text span{
    font-size: 22px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    color: #333333;
    display: block;
    margin: 0 0 15px 0;
    min-height: 29px;
}
.section4 .wrap .content .item .text p{
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    color: #666666;
}
@media screen and (max-width: 1600px) {
    .section .wrap .introduce .text span,.section2 .wrap .title,.section3 .wrap .title,.section4 .wrap .title,.common_service .wrap .title,.common_issue .wrap .title span，.kep_contact .text h2,.kep_contact .text h2 {
        font-size: 32px;
    }
    .section .wrap,.section2 .wrap,.section3 .wrap,.section4 .wrap,.section4 .wrap {
        width: 90%;
    }
    .section2 .wrap .content .item {
        width: 32%;
        margin: 0 1.33% 81px 0;
    }
    .section2 .wrap .content .item .images {
        width: 100%;
        height: auto;
    }
    .section2 .wrap .content .item .text{
        width: 90%;
        font-size: 18px;
        height: 60px;
    }
    .kep_more {
        margin: 25px auto 0;
    }
    .section2 .wrap {
        margin: 0 auto 40px;
    }
    .section3 .wrap .content .item {
        width: 48%;
    }
    .section3 .wrap .content .item .text {
        font-size: 18px;
    }
    .section4 .wrap .content .item {
        width: 32%;
        margin: 0 1.3% 30px 0;
    }
    .section4 .wrap .content .item .text span {
        font-size: 18px;
    }
    .section4 .wrap .content .item .text p {
        font-size: 14px;
    }
    .section .wrap .images,.section .wrap .introduce {
        width: 48%;
    }
    .section .wrap .introduce .text p,.section .wrap .introduce .text {
        width: 100%;
    }
}
@media screen and (max-width: 1300px) {
    .section .wrap .introduce .text span, .section2 .wrap .title, .section3 .wrap .title, .section4 .wrap .title, .common_service .wrap .title, .common_issue .wrap .title span，.kep_contact .text h2, .kep_contact .text h2 {
        font-size: 24px;
    }
    .section .wrap {
        margin: 28px auto 40px;
    }
    .section4 .wrap .content .item {
        width: 30%;
        margin: 0 3.3% 30px 0;
    }
    .section4 .wrap .content .item .picture{
        height: auto;
    }
}
@media screen and (max-width: 1000px) {
    .section .wrap {
        flex-direction: column;
    }
    .section .wrap .images, .section .wrap .introduce {
        width: 100%;
        margin-bottom: 20px;
    }
    .common_peak .wrap .navigation {
        flex-wrap: wrap;
    }
    .common_peak .wrap .navigation a {
        width: 33.33%;
        padding: 0 5px;
        margin: 0 0 15px;
    }
    .common_peak .wrap .navigation a {
        text-align: center;
        font-size: 12px;
    }
}
@media screen and (max-width: 800px) {
    .section .wrap .introduce .link a {
        font-size: 14px;
        margin: 0;
    }
    .section .wrap .introduce .link {
        justify-content: space-between;
    }
    .section .wrap .introduce .text span, .section2 .wrap .title, .section3 .wrap .title, .section4 .wrap .title, .common_service .wrap .title, .common_issue .wrap .title span，.kep_contact .text h2, .kep_contact .text h2 {
        font-size: 20px;
    }
    .section2 .wrap .content .item {
        width: 100%;
        margin: 0 0% 81px 0;
    }
    .section2 .wrap .content .item .text {
        font-size: 14px;
        height: 40px;
    }
    .kep_more {
        margin: 0px auto 0;
        font-size: 14px;
    }
    .section3 .wrap .content .item {
        width: 100%;
    }
    .section3 .wrap {
        margin: 40px auto;
    }
    .section3 .wrap .content .item .text {
        font-size: 14px;
        margin: 16px 0 0 0;
    }
    .section3 .wrap .content .item{
        margin: 0 0 25px 0;
    }
    .section4 .wrap .content .item {
        width: 100%;
        margin: 0 0% 30px 0;
    }
    .section4 .wrap {
        margin: 40px auto;
    }
    .common_service .wrap .content {
        grid-template-columns: repeat(1,1fr);
    }
    .common_service .wrap .content {
        display: block;
    }
    .common_service .wrap .content .cut_big .text a:not(.more) {
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .common_issue .wrap .title span {
        font-size: 20px;
    }
    .kep_contact .text h2{
        font-size: 20px;
    }

}