/* .nav_list{
    display: none;
} */
.index_section{
    width:100%;
    padding-top: 100px;
    border-bottom: 2px solid #eee;
    padding-bottom: 100px;
}
.index_titbox{
    width:100%;
    /* padding-bottom: 20px;
    border-bottom: 2px solid #122447;
    display: flex;
    justify-content: space-between;
    align-items: center; */
    margin-bottom: 20px;
}

.index_tit{
    /* font-size: 96px;
    color:#000; */
    font-size: 48px;
    color:rgb(121, 120, 120);
    text-align: center;
}
/* .index_tit_en{
    text-align: right;
}
.index_tit_en p{
    font-size: 48px;
    color:#000;
    line-height: 1;
} */
.index_content {
    width: 100%;
    padding: 0 3.5%;
}
.banner {
    width: 100%;
    height: calc(100vh - 150px);
    margin-top: 150px;
    overflow: hidden;
    position: relative;
}
.banner.scroll{
    /* height: calc(100vh - 75px); */
    margin-top: 75px;
}
.swiper-slide {
    display: flex;
    justify-content: center;
    align-items: center;
}
.swiper-slide img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.swiper-pagination-bullet{
    width: 16px;
    height:16px;
    background: #fff;
    opacity: .5;
}
.swiper-pagination-bullet-active{
    background: #fff;
    opacity: 1;
}
.index_nav {
    width: 100%;
    display: flex;
    justify-content: space-between;
    /* background-color: green; */
}
.index_nav .index_nav_left {
    width: 45%;
    padding-top: 90px;
    padding-bottom: 20px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    /* background-color: red; */
}
.index_nav .index_nav_right {
    width: 45%;
    padding-top: 90px;
    /* background-color: red; */
}
.slogan{
    font-size: 82px;
    color:#000;
    width:100%;
    display: inline-block;
	text-align-last: justify;
    line-height: 1;
}
.business{
    display: flex;
    justify-content: space-between;
}
.business li{
    width:33.33%;
    height:100px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.business li p a{
    color:#000;
    font-size: 30px;
}
/* .nav{
    height:100px;
    padding-top: 20px;
} */

.index_case{
    padding-top: 100px;
    width:100%;
    padding-bottom: 50px;
    border-bottom: 2px solid #eee;
}
.index_service{
    /* border-bottom: 2px solid #eee;
    padding-bottom: 50px; */
}
.index_service ul{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    padding-top: 20px;
}
.index_service ul li{
    width:16.66%;
    text-align: center;
}
.index_service ul li a{
    font-size: 30px;
    color:#000;
    line-height: 2;
}
.index_service ul li:nth-child(6n){
    text-align: right;
}
.index_service ul li:nth-child(6n+1){
    text-align: left;
}

.client_content{
    width:100%;
    height:auto;
    margin-top: 50px;
}
.client_content img{
    width:100%;
    height:auto;
}


.news_content{
    width:100%;
    height:500px;
    padding-top:50px;
    padding-bottom: 50px;
    display: flex;
    justify-content: space-between;
}
.news_content .news_pic{
    width:45%;
    margin-right: 5%;
    height:100%;
    cursor: pointer;
}
.news_content .news_pic img{
    width:100%;
    height:100%;
    object-fit: cover;
}
.news_content .news_block_box{
    width:50%;
    height:100%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-content:space-between;
}
.news_type_tit{
    font-size: 18px;
    color:#000;
    margin-bottom: 15px;
}
.news_block{
    width:33.33%;
    height:calc(50% - 12px);
    border-bottom: 1px solid #eee;
}
.news_block:not(:nth-child(3n)){
    padding-right:30px;
}
.news_block li{
    line-height: 2;
}
.news_block li a{
    font-size: 14px;
    color:rgb(149, 149, 149);
}

@media (max-width:1768px) {
    .slogan{
        font-size: 76px;
    }

    .index_tit{
        font-size: 46px;
    }
    /* .index_tit_en p{
        font-size: 46px;
    } */
}
@media (max-width:1680px){
    .slogan {
        font-size: 72px;
    }
    .index_tit {
        font-size: 42px;
    }
    /* .index_tit_en p{
        font-size: 42px;
    } */
}
@media (max-width:1600px){
}
@media (max-width:1440px){
    .slogan {
        font-size: 62px;
    }
    .business li{
        height:80px;
    }
    .business li p a{
        font-size: 24px;
    }
    .about p{
        font-size: 18px;
        margin-bottom: 15px;
    }

    .index_tit {
        font-size: 32px;
    }
    /* .index_tit_en p {
        font-size: 32px;
    } */
    .index_service ul li a{
        font-size: 24px;
    }
    .news_block li{
        font-size: 16px;
    }
    .news_block li::before{
        top:14px;
    }
    .news_content {
        height: 450px;
        padding-top: 40px;
        padding-bottom: 40px;
    }
    .client_content{
        height:600px;
        margin-top: 60px;
    }
    .index_section{
        padding-top: 60px;
    }
    .index_case{
        padding-top: 80px;
    }
    .banner {
        height: calc(100vh - 120px);
        margin-top: 120px;
    }
}
@media (max-width: 1366px) {
    .slogan {
        font-size: 56px;
    }
    .index_tit {
        font-size: 30px;
    }
    .index_service ul li a{
        font-size: 22px;
    }
}
@media (max-width: 1280px){
    .slogan {
        font-size: 50px;
    }
    .business li p a {
        font-size: 22px;
    }
    .index_tit {
        font-size: 28px;
    }
    .client_content {
        height: 500px;
        margin-top: 50px;
    }
    .index_case {
        padding-top: 60px;
    }
}
@media (max-width:1024px)  {
    .wap-nav-open{
        display: block;
    }
    .index_content {
        width: 100%;
        padding: 0 2% 50px;
    }
    .banner {
        height: calc(100vh - 360px);
        margin-top: 60px;
    }
    .banner.scroll{
        height: calc(100vh - 360px);
        margin-top: 60px;
    }
    .index_case{
        padding-top: 0;
    }
    .slogan_wap{
        padding:50px 0;
    }
    .slogan_wap_cn{
        font-size: 100px;
        color:#000;
    }
    .slogan_wap_en{
        font-size: 48px;
        color:#000;
        line-height: 1.5;
    }

    .index_section {
        padding-top: 40px;
        padding-bottom: 50px;
    }
    .index_tit {
        font-size: 26px;
    }
    /* .index_tit_en p {
        font-size: 28px;
    } */
    .index_service ul li{
        width:25%;
    }
    .index_service ul li a{
        font-size: 24px;
    }
    .index_service ul li:nth-child(6n),
    .index_service ul li:nth-child(6n+1){
        text-align: center;
    }
    .index_service ul li:nth-child(4n+1){
        text-align: left;
    }
    .index_service ul li:nth-child(4n){
        text-align: right;
    }
    .client_content {
        height: auto;
        margin-top: 0;
    }
    .client_content img{
        width:100%;
        height:auto;
    }
    .case_content{
        margin-top: 30px;
    }
}
@media (max-width:912px){
    .index_service ul li a{
        font-size: 22px;
    }
}
@media (max-width:820px){
    .slogan_wap_cn{
        font-size: 88px;
    }
    .slogan_wap_en{
        font-size: 40px;
    }
}
@media (max-width:768px){
    .slogan_wap_cn {
        font-size: 72px;
    }
    .slogan_wap_en {
        font-size: 36px;
    }
    .index_tit {
        font-size: 20px;
    }
    .index_titbox{
        padding-bottom: 10px;
    }
    /* .index_tit_en p {
        font-size: 24px;
    } */
    .client_list li{
        height:80px;
    }
    .index_service ul li a{
        font-size: 20px;
    }

    .banner {
        height: calc(100vh - 310px);
    }
    .banner.scroll{
        height: calc(100vh - 310px);
    }
}
@media (max-width:640px){
    .slogan_wap_cn {
        font-size: 60px;
    }
    .slogan_wap_en {
        font-size: 30px;
    }
    .index_tit {
        font-size: 18px;
    }
    /* .index_tit_en p {
        font-size: 20px;
    } */
    .index_service ul li a{
        font-size: 16px;
    }
}
@media (max-width:480px){
    .slogan_wap_cn {
        font-size: 48px;
    }
    .slogan_wap_en {
        font-size: 24px;
    }
    .slogan_wap {
        padding: 30px 0;
    }

    .index_section {
        padding-top: 20px;
    }
    .index_service ul li a{
        font-size: 14px;
    }
    .client_list li {
        height: 60px;
        margin-bottom: 10px;
    }

    .banner {
        height: calc(100vh - 220px);
    }
    .banner.scroll{
        height: calc(100vh - 220px);
    }
}
@media (max-width:440px){
    .slogan_wap_cn {
        font-size: 40px;
    }
    .slogan_wap_en {
        font-size: 20px;
    }

    .index_service ul li{
        width: 33.33%;
    }
    .index_service ul li:nth-child(6n),
    .index_service ul li:nth-child(6n+1),
    .index_service ul li:nth-child(4n+1),
    .index_service ul li:nth-child(4n){
        text-align: center;
    }
    .index_service ul li:nth-child(3n+1){
        text-align: left;
    }
    .index_service ul li:nth-child(3n){
        text-align: right;
    }
}
@media (max-width:375px){

    .client_list li{
        height:50px;
    }
    .banner {
        height: calc(100vh - 200px);
    }
    .banner.scroll{
        height: calc(100vh - 200px);
    }
}