header {
    height: 70px;
    background: #ffffff;
    padding-top: 30px;
    text-align: center;
    display: flex;
    position: fixed;
    justify-content: center;
    width: 100%;
    top: 0;
    z-index: 10;
}

body {
    margin: 0 auto;
}

header .logo {

    height: 48px;

    margin-right: 10%;
}

a {
    text-decoration: none;
    color: #333;
}

.content {
    margin-top: 100px;
}

.nav-item {
    width: 110px;
    height: 100%;
    font-size: 22px;
    text-align: center;
    font-family: SourceHanSansCN;
    font-weight: 400;
    color: #333333;
    line-height: 45px;
    margin-right: 30px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;

}

.active {
    color: #62c3d0;
    font-weight: bold;
}

.active-line {
    width: 55px;
    height: 3px;
    background: #404040;
    border-radius: 2px;
    margin: 0 auto;
}

.bg {
    width: 100%;
    text-align: center;
    padding-top: 30px;
    height: 576px;
    background: url("../png/bg.png") no-repeat;
    background-size: 100%;

}

.bg img {
    width: 697px;
    height: auto;
}

.shouye-2 {
    width: 100%;
    text-align: center;
}

.shouye-2 img {
    max-width: 1200px;
}

.shouye-3 {

}
.banner1 img{
    width: 100%;
    height: auto;
}
.banner1{
    text-align: center;
}
.shouye-3 img {
    width: 100%;
    height: auto;
}

.news {
    margin: 0 auto;
    max-width: 1300px;
    text-align: center;
    width: 100%;
    padding-top: 20px;
}

.news_title {
    width: 213px;
    height: 48px;
    font-size: 40px;
    font-family: SourceHanSansCN;
    font-weight: bold;
    color: #393939;
    margin: 0 auto;
    line-height: 47px;
}

.news_group_group_first {
    width: 637px;
    display: flex;
    flex-direction: column;


}

.news_group_group_second {
    width: 571px;
    display: flex;
    flex-direction: column;
}
.news_group_group_second_item{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-bottom: 39px;
    border-bottom: #DDDDDD 1px solid;
}
.news_group_group_second_item img {
    width: 55px;
    height: 43px;
}

.news_group_group_second_item .date {
    width: 102px;
    height: 102px;
    background: #62c3d0;
    border-radius: 3px;
    display: flex;
    flex-direction: column;
    align-items: center;

}

.news_group_group_second_item .title {
    display: flex;
    flex-direction: column;
    width: 312px;
}

.shenglue3 {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    overflow: hidden;
    /*! autoprefixer: off */
    -webkit-box-orient: vertical;
}

.date .date_first {
    font-size: 42px;
    font-family: SourceHanSansSC;
    font-weight: 400;
    color: #FFFFFF;
}

.date .date_second {
    font-size: 19px;
    font-family: SourceHanSansSC;
    font-weight: 400;
    color: #FFFFFF;
}


.news_group_group_first img {
    width: 637px;
    height: 345px;
    margin-bottom: 23px;
}

.news_group {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    max-width: 1200px;
    margin-top: 59px;
    margin-bottom: 70px;

}

.news_group_group {
    display: flex;
    margin-top: 60px;
    justify-content: space-between;

}

.news_title_title {
    font-size: 24px;
    font-family: SourceHanSansSC;
    font-weight: bold;
    color: #62c3d0;
    text-align: left;
    float: left;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    overflow: hidden;
    /*! autoprefixer: off */
    -webkit-box-orient: vertical;
}

.news_title_desc {
    margin-top: 16px;
    font-size: 14px;
    font-family: SourceHanSansSC;
    font-weight: 400;
    color: #7B7B7B;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    overflow: hidden;
    /*! autoprefixer: off */
    -webkit-box-orient: vertical;
}

.news_fu_title {

    font-size: 20px;
    font-family: SourceHanSansCN;
    font-weight: 500;
    color: #62c3d0;
    line-height: 30px;
    margin: 0 auto;
}

.news_item {


    display: flex;

    text-align: left;
    margin-bottom: 60px;

}
.news_item img{
    width: 379px;
    height: 202px;
}
.news_item_title {

    font-size: 25px;
    font-family: SourceHanSansCN;
    font-weight: bold;
    color: #333333;
    line-height: 48px;
}

.news_item_desc {

    font-size: 17px;
    font-family: SourceHanSansCN;
    font-weight: 400;
    color: #999899;
    line-height: 20px;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;

}

.more {
    width: 485px;
    height: 82px;
    background: #084285;
    border-radius: 41px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    font-size: 28px;
    font-family: SourceHanSansCN;
    font-weight: 400;
    color: #FFFFFF;
    line-height: 30px;
}

.news_item img {
    width: 552px;
    height: 202px;
}

footer {
    margin-top: 30px;
    background: #292929;
    width: 100%;
    text-align: center;
    position: relative;
}

.footer_main {
    max-width: 1200px;
    margin: 0 auto;
}


footer .phone {
    position: relative;
    top: -40px;
    display: flex;

}

.phoneimg {
    width: 80%;
}

.erweima {
    position: relative;
    bottom: -70px;
    width: 135px;
    height: auto;
}

.content-box {
    max-width: 1200px;
    margin: 0 auto;
    text-align: center;
}

.detail-title {
    font-size: 45px;
    font-family: SourceHanSansCN;
    font-weight: bold;
    color: #363636;
    line-height: 103px;
}

.detail-time {

    font-size: 30px;
    font-family: SourceHanSansCN;
    font-weight: 400;
    color: #B3B3B3;
    line-height: 60px;
}

.detail-content {

}