@charset "utf-8";
header{
    width:100%;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    z-index: 9;
    position: relative;
}
.absolute_top1{
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
}
.index_top_bar{
    background-color: transparent;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
    color: #fff;
}
.head_top_bg {
    background-color: #ffcb04;
}
.index_top_bar .head_top{
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 0.875rem;
}
.index_top_bar .head_top a{
    color: #fff;
}
.index_top_bar .head_top .left span {
    margin-right: 2vw;
}
.head_langauge{
    position: relative;
    padding: 10px 0px;
}
.head_langauge ul {
    position: absolute;
    display: block;
    right: 0;
    top: 100%;
    opacity: 0;
    visibility: hidden;
    transition: all .5s;
    padding: 10px 10px;
    background-color: #fff;
    border: 1px solid #e5e5e5;
    z-index: 9;
}
#lang_ul li {
    padding: 5px 15px;
    position: relative;
    border-bottom: 1px solid #e5e5e5;
    background-color: #fff;
    color: #2b2b2b;
    font-size: 14px;
}
#lang_ul li a{
    display: block;
    color: #2b2b2b;
}
#lang_ul li a:hover{
    color: #ffcb04;
}
.head_langauge:hover ul {
    opacity: 1;
    visibility: visible;
}
.header .logo img{
    height: 60px;
    margin-right: 10px;
    width: auto;
    transition: all .5s;
}
.header .logo img:nth-child(2){
    display: none;
}
.header .logo img:nth-child(3){
    display: none;
}

.header{
    width: 100%;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
}
.header .logo{
    padding: 20px 0;
}
.header.on{
   position: absolute;
   top: 44px;
}
.header.on1{
   background: rgba(255,255,255,1.0);
   border-bottom: 1px solid #eaeaea;
   box-shadow: 0 3px 8px 0px rgba(34, 34, 34, 0.1);
}
.header .nav{
    padding: 0px 0px;
    display: flex;
    justify-content: flex-end;
}
.header .nav>ul{
    transition: all .5s;
    display: flex;
    justify-content: flex-end;
    flex-wrap: nowrap;
}
.header .nav>ul>li{
    display: inline-block;
    padding: 0px 20px;
}
.header .nav>ul>li>a{
    position: relative;
    display: block;
    font-size: 1.125rem;
    font-weight: 750;
    text-transform: uppercase;
    color: #fff;
    padding: 20px 0px;
    line-height: 65px;
    white-space: nowrap;
    transition: all 0.3s;
}
.header.on1 .nav>ul>li>a{
    color: #2a2a2a;
}
.header .nav>ul>li:hover a,.header .nav>ul>li.active a{
    color: #ffcb04;
    font-weight: 600;
}
header .nav>ul>li>a img{
    margin-right: 5px;
}
header .nav>ul>li.custom{
    color: #001b6d;
    padding: 20px 0px 20px 10px;
}
header .nav>ul>li.custom>a{
    padding: 0px 0px;
    font-size: 16px;
    display: flex;
    align-items: center;
}
header .nav ul.sub-menu {
    display: none;
    position: absolute;
    left: -10%;
    top: 95%;
    width: 120%;
    background: #fff;
    border-radius: 2px;
}
header .nav ul.sub-menu li{width:100%; border-bottom:1px solid rgba(0,0,0,.05);}
header .nav ul.sub-menu li a{display:block;font-size:14px;font-weight: 300; background: #fff; color:#444; line-height:20px; padding:12px 2%; text-align:center; }
header .nav ul.sub-menu li a:hover{color:#3c4a76; background:#f2fcfa;}
header .nav>ul>li:hover ul.sub-menu {
    display: block;
}
.has-children:not(.sub-menu) {
    position: relative;
}
header .nav .submenu {
    /* display: block; */
    display: none;
    position: absolute;
    left: 0%;
    opacity: 0;
    top: 98%;
    background: #ffcb04;
    padding: 2.5rem 0;
    border-radius: 0px;
    transition: .3s;
    z-index: 1;
    height: 0;
    width: 100%;
    overflow: hidden;
}
header .nav .submenu ul{
    flex: 1;
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
}
header .nav .submenu ul li{
    width: calc(25% - 3rem);
    padding-right: 3rem;
    margin: 0;
    flex-grow: 1;
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    break-inside: avoid;
}
header .nav .submenu ul li a{
    display: block;
    color: #fff;
    line-height: 40px;
    border-bottom: 1px solid #fff;
    transition: all 0.3s;
}
header .nav .submenu ul li p{
    padding-top: 0.8rem;
}
header .nav .submenu ul li p a,.header .nav>ul>li:hover .submenu p a, .header .nav>ul>li.active .submenu p a{   
    display: block;
    font-size: 0.95rem;   
    line-height: 32px;
    font-weight: normal;
    transition: .3s ease;
    border-bottom: none;
}
header .nav .submenu ul li p a:hover{
    color: #000;
    border-bottom: none;
}
.header .nav>ul>li:hover .submenu a,.header .nav>ul>li.active .submenu a{
    color: #fff;
}
.header .nav>ul>li:hover .submenu a:hover,.header .nav>ul>li.active .submenu a:hover{
    color: #000;
}
header .nav .submenu ul li a:hover{
    color: #000;
    border-bottom: 1px solid #000;
}
header .nav ul li:hover .submenu{
    display: block;
    opacity: 1.0;
    height: auto;
    z-index: 15;
}
header .nav .submenu .navbtn {
    display: block;
    text-align: center;
    margin: 40px auto;
}
header .nav .submenu .navbtn a {
    display: inline-block;
    width: 195px;
    padding: 8px 0;
    text-align: center;
}
header .nav .submenu .navbtn a.c-btn {
    font-size: 16px;
    line-height: 28px;
    border: 1px solid #fff;
    border-radius: 4px;
    transition: .3s ease;
}
@media(max-width:1260px){
    .header .nav>ul>li {
        padding: 0px 12px;
    }
    .header .nav>ul>li>a{
        font-size: 14px;
    }
}
@media(max-width:992px){
    .header {
        padding: 15px 0px;
        background: #fff;
    }
    .header .logo{
        padding: 0;
    }
    .header.on{
        top: 0;
    }
    .index_top_bar{
        display: none;
    }
    .index_top_bar .head_top a{
        color: #2a2a2a;
    }
    .header .logo img{
        height: 35px;
    }
    .header .logo img:nth-child(1){
        display: none;
    }
    .header.on .logo img:nth-child(2){
        display: none;
    }
    .header .logo img:nth-child(3){
        display: block;
    }
    header .nav{
        width: 65vw;
    }
    .header .nav>ul>li {
        padding: 0px;
    }
    header .nav ul {
        padding-top: 60px;
        transition: all .5s;
        max-width: 100%;
        box-sizing: border-box;
    }
    .header .nav>ul{
        position: relative;
        z-index: 100;
        height: 100vh;
        overflow-y: auto;
        justify-content: flex-start;
    }
    .header .nav>ul>li>a{
        color: #2b2b2b;
    }
    header .nav{
        position: fixed;
        right:-100%;
        /* right:-100vw; */
        /* width:100vw; */
        width:100%;
        top: 0px;
        height:calc(100vh - 0px);
        background:#fff;
        transform: translateX(0);
        overflow: hidden;
        background: -o-linear-gradient(60deg,#fff,#fff 100%);
        background: linear-gradient(60deg,#fff,#fff 100%);
        z-index:-1;
        transition: all 0.5s;
        -webkit-transition: all 0.5s;
        -o-transition: all 0.5s;
    }
    header .nav ul{
        display: block;
        padding: 66px 20px 0;
        transition: all .5s;
        counter-reset: offcanvas-counter;
        flex-direction: column;
    }
    header .nav ul li{
        display: block;
        padding: 0 0px;
        position: relative;
        border-bottom: 1px solid #eaeaea;
    }
    header .nav ul li a.nav-link{
        display: block;
        position: relative;
        font-size: 16px;
        counter-increment: offcanvas-counter;
    }
    header .nav ul li a{
        background: url(../img/heise.png) no-repeat right 15px center;
        background-size: 8px;
    }
    header .nav .submenu ,header .nav .sub-menu{
        display: none;
    }
    .header .nav>ul>li:nth-child(2) .submenu{
        display: block;
        opacity: inherit;
        height: auto;
        position: relative;
        top: 0;
        background: #fff;
        border-top: 1px solid #eaeaea;
        padding: 0rem 0rem;
    }
    header .nav .submenu ul li{
        border-bottom: 1px solid #fff;
    }
    .header .nav>ul>li:nth-child(2) .submenu a{
        color: #333;
        background: url(../img/heise.png) no-repeat left 5px center;
        background-size: 7px;
        padding-left: 30px;
        height: 50px;
        line-height: 50px;
    }
    .header .nav>ul>.custom a{
        background: none;
    }
    .header .nav>ul>li>a{
        padding: 0 0 0 10px;
        line-height: 50px;
    }
    header .nav>ul>li.custom{
        padding: 0 0 0 10px;
    }
    header .nav .submenu ul{
        padding: 0;
        background: #fff;
    }
    header .nav .submenu ul li h5{
        color: #2a2a2a;
        border-bottom: 1px solid #fff;
    }
    header .nav .submenu ul li:hover h5{
        border-bottom: 1px solid #fff;
    }
    header .nav.show{
        right: 0;
    }
}
/* banner */
.banner{
    position: relative;
    width: 100%;
    /* height: calc(100% - 80px); */
    height: 100vh;
    background-color: #000;
    overflow: hidden;
}
.ban{
    width: 100%;
    height: 100%;
    position: absolute;

}
.ban-prev,.ban-next{
    width: 30px;
    height: 45px;
}
.ban-prev{
    background: url(../img/ban-left.png) no-repeat center center;
    background-size: 100%;
    left: 11%;
}
.ban-next{
    background: url(../img/ban-right.png) no-repeat center center;
    background-size: 100%;
    right: 11%;
}
.banner video{
    width: 100%;
    opacity: 0.7;
    height: 100%;
    object-fit: cover;
    margin-top: 0px;
    transition: all .3s ease-out,right .2s ease-out;
}
.banner img{
    width: 100%;
    opacity: 0.7;
    max-width: auto;
}
.banner .banner-txt{
    text-align: left;
    width:100%;
    position: absolute;
    left: 0px;
    top: 60%;
    transform: translateY(-50%);
    color:#fff;
    /* z-index: 9; */
}
.banner .banner-txt h3{
    font-size: 40px;
    font-weight: 600;
    line-height: 1.1;
}
.banner .banner-txt h3 span{
    font-size: 50px;
    margin-left: 12rem;
    margin-right: 10px;
    color: #ffcb04;
}

.homeLink{
    position:relative;
    display: inline-block;
    line-height:40px;
    font-size: 18px;
    font-weight: 500;
    font-style: italic;
    overflow:hidden;
    color:#fff;
    transition: all 0.3s ease-in-out;
}
.banner:hover .homeLink{padding-left: 10px; color:#fff;}
@media(max-width:1500px){
    .ban-prev{
        left: 7%;
    }
    .ban-next{
        right: 7%;
    }
}
@media(max-width:1280px){
    .ban-prev{
        left: 5%;
    }
    .ban-next{
        right: 5%;
    }
}
@media(max-width:992px){
    .absolute_top,.absolute_top1{
        position: fixed;
        top: 0;
        z-index: 15;
    }
    .homeLink{
        padding: 4px 40px;
    }
    .homeLink:hover{  padding: 4px 40px; color:#fff;}
    .banner{
        height: auto;
        margin-top: 66px;
    }
    .banner .banner-txt{
        padding-top: 10%;
    }
    .banner .banner-txt h3{
        font-size: 16px;
    }
    .banner .banner-txt h3 span{
        font-size: 20px;
        margin-left: 40px;
    }
    .banner .banner-txt p{
        font-size: 14px;
        margin: 10px 0px;
    }
    .ban-prev,.ban-next{
        width: 20px;
    }
    .ban-prev{
        left: 3%;
    }
    .ban-next{
        right: 3%;
    }
}

.common{
    padding-top:80px;
    padding-bottom:80px;
}
.title{
    font-size: 30px;
    line-height:1.0;
    position: relative;
    font-weight: 800;
    margin-bottom: 30px;
}
.title span{
    font-size: 55px;
    color: #d1d1d1;
    text-transform: uppercase;
    display: block;
}
@media (max-width:767px){
    .common{
       padding-top:25px;
       padding-bottom:25px;
    }
    .title{
        font-size: 22px;
    }
    .title span {
        font-size: 30px;
    }
}
/* 标语 */
.adv-slogan{
    background: #e8e8e8;
    padding: 40px 0;
}
.index_title{
    font-size: 35px;
    padding-bottom: 7px;
    font-weight: bold;
}
.index_sub_title {
    font-size: 20px;
    font-weight: normal;
}
.other_more {
    border: 0;
    font-size: 16px;
    padding: 12px 45px;
    border-radius: 0;
    background: #ffcb04;
    color: #333;
    justify-content: center;
}
.other_more i{
    font-size: 18px;
}
.other_more:hover{
    color: #fff;
}
/*简介*/
.about{
    position: relative;
    overflow: hidden;
    background: url(../img/about.jpg) no-repeat center top;
}
.about .about-txt{
    width: 48%;
    margin-bottom: 2%;
}
.about .about-txt h5{
    color: #333;
    font-size: 1.25rem;
    line-height: 2;
    margin-bottom: 50px;
}
.about .more {
    border: 1px solid #333;
    color: #333;
    position: relative;
    margin-top: 10px;
    display: inline-block;
    letter-spacing: .5px;
    padding: 15px 50px;
    transition: all 0.3s ease-in-out;
}
.about .more:before {
    content: "";
    position: absolute;
    display: block;
    z-index: -1;
    transition: all .5s ease;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 0;
}
.about .more:hover{
    color: #fff;
    z-index: 9;
}
.about .more:hover:before {
    height: 100%;
    background-color: #ffcb04;
}
@media (max-width:992px){
    .index_title{
        font-size: 22px;
        /* font-weight: bold; */
        text-align: center;
    }
    .index_sub_title{
        font-size: 16px;
        text-align: center;
        margin-bottom: 20px;
    }
    .other_more{
        font-size: 16px;
        padding: 10px 40px;
        width: 100%;
        text-align: center;
    }
    .about{
        background: url(../img/about.jpg) no-repeat left top;
        background-size: 200% 100%;
    }
    .about .about-txt{
        width: 100%;
        padding-top: 20px;
    }
    .about .about-txt h5{
        font-size: 18px;
        margin-bottom: 30px;
        padding: 0 15px;
    }
    .about .about-txt p {
        text-align: center;
    }
    .about .more {
        padding: 10px 40px;
    }
}
/*明星产品*/
.product {
    position: relative;
    overflow: hidden;
    background: #fff;
}
.product-box{
    position: relative;
}
.product .swiper-slide{
    background: #eeeef0;
    border: 3px solid #eeeef0;
    box-shadow: 0.5px 0.866px 5px 0px rgb(179 179 179 / 30%);
    margin-bottom: 15px;
    transition: all 0.3s;
}
.product .nav-img{
    background-color: #fff;
    padding: 2.0rem 1.5rem;
    overflow: hidden;
    transition: all 0.5s;
}
.product .nav-img img{
    transition: all 0.5s;
}
.product .nav-img:hover img{
    transform: scale(1.1);
}
.product .nav-title {
    text-align: center;
    color: #333;
    font-size: 16px;
    margin: 20px 0;
}
.product .swiper-slide:hover{
    background: #ffcb04;
    border: 3px solid #ffcb04;
}
.product .swiper-button-next,.case .swiper-button-next,.about-case .swiper-button-next{
    right: -60px;
}
.product .swiper-button-prev,.case .swiper-button-prev,.about-case .swiper-button-prev{
    left: -60px;
}
.case .swiper-button-prev,.about-case .swiper-button-prev,.about-case-prev{
    background: url(../img/left.png) no-repeat center center;
    background-size: 100%;
}
.case .swiper-button-next,.about-case .swiper-button-next,.about-case-next{
    background: url(../img/right.png) no-repeat center center;
    background-size: 100%;
}
@media(max-width:1475px){
    .case .swiper-button-next,.about-case .swiper-button-next{
        right: -30px;
    }
    .case .swiper-button-prev,.about-case .swiper-button-prev{
        left: -30px;
    }
}
@media(max-width:992px){
    .case .swiper-button-next,.about-case .swiper-button-next{
        right: 5px;
    }
    .case .swiper-button-prev,.about-case .swiper-button-prev{
        left: 5px;
    }
}
/* 案例 */
.case{
    background-color: #efefef;
    overflow: hidden;
}
.case .case-list{
    margin-bottom: 0;
    box-shadow: 0 0 0px 0 rgba(0, 0, 0, 0.0);
    border-radius: 3px;
    overflow: hidden;
    border: 2px solid #d1d1d1;
}
.case .case-list .case-img{
    border: 0px solid #fff;
}
.case .case-list p{
    background-color: #ffcb04;
}
.case .case-list:hover .case-img{
    border: 0px solid #ffcb04;
}
.case .case-list:hover p{
    color: #2b2b2b;
}
.case .more{
    color: #333;
    position: relative;
    margin-top: 30px;
    display: inline-block;
    letter-spacing: .5px;
    padding: 15px 50px;
    transition: all 0.3s ease-in-out;
    background: #ffcb04;
}
.case .more:hover{
    color: #fff;
}
@media (max-width:992px) {
    .case .more {
        padding: 10px 40px;
    }
}
/*项目服务*/
.service{
    background: #e8e8e8;
}
.service-swiper{
    padding-bottom: 30px;
}
.case-pag{
    display: none;
}
.service ul li .ser-box{
    margin: 10px 0px 30px;
    background: #55636c;
    border: 5px solid #9dacb4;
    box-shadow: 0px 18px 25px -11px #ccc;
    padding: 40px 5px;
    text-align: center;
    transition: all 0.3s ease-in-out;
}
.service ul li .ser-title{
    font-size: 18px;
    color: #fff;
    margin: 15px 0px;
}
.service .ser-box:hover{
    border-color: #ffcb04;
    box-shadow: 0 0 4px #d6d6d6, 0 4px 4px #e3e3e3;
    -webkit-transform: translate3d(0, -6px, 0);
    transform: translate3d(0, -6px, 0);
    -webkit-transition: all 0.3s ease-in-out;
    transition: all 0.3s ease-in-out;
}
.service .swiper-pagination-bullet{
    width: 10px;
    height: 10px;
}
.service .swiper-container-horizontal>.swiper-pagination-bullets{
    bottom: 0px;
}

.service .s-more{
    position: relative;
    display: block;
    text-align: right;
    line-height: 40px;
    font-size: 20px;
    font-weight: 400;
    overflow: hidden;
    color: #fff;
    margin-top: 20px;
}

@media (max-width:992px){
    .case-pag{
        display: block;
    }
    .service ul li .ser-box{
        display: flex;
        flex-direction: column;
        justify-content: flex-start;
        align-items: center;
        padding: 45px 20px;
        margin-bottom: 15px;
    }
    .service ul li .ser-box img{
        width: 60px;
    }
    .service ul li .ser-title {
        font-size: 18px;
        line-height: 1.2;
        margin: 25px 10px 0;
    }
}
/* 新闻 */
.news{
    background: #fff;
}
.news-top{
    display: flex;
    flex-wrap: nowrap;
    justify-content: space-between;
}
.news .news-nav{
    display: inline-block;
    display: flex;
    flex-wrap: nowrap;
    justify-content: flex-end;
}
.news .news-nav li a{
    font-size: 20px;
    margin-left: 15px;
    padding-left: 15px;
    border-left: 1px solid #2b2b2b;
}
.news .news-con{
    border: 1px solid #efefef;
    padding-bottom: 20px;
}
.news .n-title{
    font-size: 16px;
    font-weight: 500;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    white-space: nowrap;
    transition: all 0.6s;
}
.news .n-time{
    font-weight: lighter;
    font-size: 14px;
    transition: all 0.6s;
}
.news .n-img{
    width: 100%;
    padding-top: calc(200 / 373* 100%);
    position: relative;
    border-radius: var(--border20) var(--border20) 0 0;
    overflow: hidden;
}
.news .n-img img{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all ease-in-out 0.5s;
}
.news .news-con:hover .n-img img{
    transform: scale(1.05);
}
.news .n-desc{
    padding: 20px 20px 0px;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    line-clamp: 3;
    -webkit-box-orient: vertical;
}
@media (max-width:991px){
    .news .news-con a{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
    }
    .news .news-con a .n-img{
        width: 100%;
        margin-bottom: 0px;
    }
    .news .news-con a .n-desc{
        width: 100%;
        margin: 0px 0px;
        -webkit-line-clamp: 2;
    }
    .news .news-con {
        padding-bottom: 15px;
        margin-bottom: 15px;
    }
    .news .n-more{
        font-size: 14px;
    }
}