@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: 999;
    background: #fff;
    position: relative;
}
.top-bar{
    padding: 5px 0px 5px;
    color: #fff;
    background: #000;
    max-width:1920px;
}
.top-bar .other{
    font-size: 14px; 
    font-weight: 500;
}
.top-bar .language{ 
    color: #fff;
    display: flex;
    justify-content: flex-end;    
}
.top-bar .language li{ 
    font-size: 16px;   
    padding-left: 15px;
}
.top-bar .language i{
    font-size: 16px;  
}
.top-bar .language span{
    color: #ff1b1b;
    font-weight: 500;
}
.top-bar .language a{
    font-size: 16px;
    color: #fff;
}
.en-link{
     border-left: 1px solid #fff;
     padding-left: 6px;
     margin-left: 6px;
}
.header .logo {
    padding: 0px 0px;
}
.header .logo img{
    height: 80px;
    width: auto;
    transition: all .5s;  
}
@media(max-width:767px){
    .top-bar .language li,.top-bar .language a{
        font-size: 13px;
    }
    .top-bar .language i{
        font-size: 14px;  
    }
    .header .logo {
        padding: 2px 0px;
    }
    .header .logo img{ 
        height: 55px;
    }
}
.header{
    padding:0px 0px;
    max-width:1920px;
}
header .nav{
    padding: 25px 0px 0px;
}
header .nav>ul{
    margin:0px auto 0px auto;
    transition: all .5s;
    display: flex;
    justify-content: flex-end;
    flex-wrap: nowrap;
}
header .nav>ul>li{
    display: inline-block;   
    padding-left: 45px;
    position: relative;
}
header .nav>ul>li>a{   
    position: relative;
    font-size: 18px;
    font-weight: 500;
    padding: 10px 0px;   
    line-height: 40px;
}

header .nav>ul>li:hover a,header .nav>ul>li.active a{
    color: #1f52a3;
}
header .nav>ul>li:hover a>b{
    transform: rotateY(0);
    -webkit-transform: rotateY(0);
    -o-transform: rotateY(0);
}
header .nav>ul>li.has-children > a::after {
    content: "\f107";
    font-family: FontAwesome;
    font-size: 12px;
    font-weight: normal;
    margin-left: 5px;
    margin-top: 5px;
    float: right;
}
header .nav ul.submenu {
    display: none;
    position: absolute;
    left: 50%;
    top: 100%;
    margin-left: -80px;
    width: 190px;
    background: #fff;
    border-radius: 4px;
    overflow: hidden;
}
header .nav ul.submenu li{width:100%; border-bottom:1px solid rgba(0,0,0,.05);}
header .nav ul.submenu li a{display:block;font-size:14px; color:#444; line-height:20px; padding:12px 2%; text-align:center; }
header .nav ul.submenu li a:hover{color:#3c4a76; background:#f2fcfa;}
header .nav>ul>li:hover ul.submenu{
    display: block;
}
header.on{
    position: fixed;
}
header.on .nav{
    padding: 12px 0px 0px;
}
header.on .header .logo img{
    height: 60px;
}
@media(max-width:767px){
    header.on .header .logo img{
        height: 55px;
    }
}
@media (max-width: 1199px){
    .header .nav>ul>li{
        padding-left:10px;
    }
}
@media (max-width: 992px){  
    .header{
        position: relative;
        padding:0;
    }
    header .nav>ul{
        display: block;
    }    
    header.on .header .logo img, .header .logo img{
        height:60px !important;
    }
    .header .header-mail {
        margin: 8px 45px 0px;
        line-height: 45px;
    }
    header .nav{
        position: absolute;
        left:-100vw;
        top:64px;
        width:70%;
        height:calc(100vh - 60px);
        background:#fff;
        box-shadow: 0 0 10px #eee;
        z-index:999;
        transition: all 0.5s;
        -webkit-transition: all 0.5s;
        -o-transition: all 0.5s;
        padding-top:20px;
    }
    header .nav.show{
        left:0;
        transition: all 0.5s;
        -webkit-transition: all 0.5s;
        -o-transition: all 0.5s;
    }
    header .nav ul li{
        display: block !important; 
        padding:0 20px;
    }
    header .nav ul li a{
        color:#424242;
        font-size: 14px;
    }
    header .nav>ul>li::before,
    header .nav>ul>li:last-child::after{
        border-left: 0px dotted #c1c1c1;
    } 
}
@media(max-width:1200px){
    .header .nav .submenu li {
        display: none !important;
    }
}
@media (max-width: 540px){
    header.on .header .logo .logo, .header .logo .logo {
        height: 45px !important;
        margin-top: 10px;
    }
}
/* banner */
.banner{
    position: relative;
    overflow: hidden;
}

.video{
    background: #000;
    display: block;
    position: relative;
    margin-top: 78px;
}
.video-img img{
    width: 100%;
    position: relative;
    margin-top: 78px;
}

@media(max-width:991px){
    .video-img img{
        width: 100%;
        position: relative;
        margin-top: 58px;
    }
    .video{
        margin-top: 58px;
    }
}
.banner .banner-txt{   
    text-align: left;
    width:100%;    
    position: absolute;
    left:0%;
    top: 0px;
    color:#fff;
    padding-top:12%;
    height: 100%;
    background: rgba(0,0,0,0.4);
}

@media(max-width:991px){
    .banner .banner-txt{
        padding-top:18%;
    }
}
.banner .banner-txt h3{
    font-size: 75px;  
   font-weight: bolder;
}
.banner .banner-txt p{
    font-size: 40px;
    line-height: 1.2;
    margin:20px 0px;
    width: 56%;
}
@media(max-width:1299px){
    .banner .banner-txt h3{
        font-size: 54px;
    }
    .banner .banner-txt p{
        font-size: 32px;
        width: 100%;
    }
}
@media(max-width:991px){
    .banner .banner-txt h3{
        font-size: 46px;
    }
    .banner .banner-txt p{
        font-size: 26px;
        width: 100%;
    }
}
@media(max-width:767px){
    .banner .banner-txt h3{
        font-size: 28px;
    }
    .banner .banner-txt p{
        font-size: 16px;
        width: 100%;
    }
}
.banner .banner-txt p span{
    font-weight: bolder;
    display: block;
}
.homeLink{
    position:relative; 
    display: inline-block;
    line-height:40px;
    font-size:18px;
    font-weight: bold;
    text-align: center;
    border-radius:35px;
    padding: 4px 100px;
    overflow:hidden;
    color:#fff; 
    background:#54ac06;
    transition: all 0.3s ease-in-out;
}
.homeLink:hover{  padding: 4px 150px; color:#fff;}
@media(max-width:767px){
    .homeLink{
        padding: 4px 80px;
    }
    .homeLink:hover{  padding: 4px 80px; color:#fff;}
}
@media(max-width:512px){
    .homeLink{
        font-size: 14px;
        line-height:20px;
        padding: 4px 20px;
    }
}

.common{
    padding-top: 70px;
    padding-bottom: 70px;
}
.title{
    font-size: 90px;
    text-transform: uppercase;
    position: relative;
    font-weight: 900;   
    color: #f4f4f4;
}
.title span{
    display: block;
    width: 100%;    
    font-size: 45px;
    position: absolute;
    color: #132faa;
    text-align: center;
    top: 45%;
}
.pro-info:after {
    display: block;
    content: "";
    width: 60px;
    height: 3px;
    background: #e63837;
    margin: 8px auto;
}
.pro-info{font-size: 18px;margin-bottom: 20px;}
@media (max-width:767px){
    .common{
       padding-top:30px;
       padding-bottom:30px;
    }
    .title{
        font-size: 26px;
        padding-bottom: 0px;
    }
    .title span{       
        font-size: 18px;
    }
    .pro-info {
        font-size: 14px;
    } 
}

/*首页关于我们*/
.about{
    background: url(../img/about.jpg) no-repeat bottom center #fff;   
    text-align: center;
}
.about .pro-info{
    font-size: 24px;
    line-height: 1.2;
}
.about .about-txt{    
    font-size: 13px;
    line-height: 2;    
    margin-bottom: 250px;    
}
.adv-tel{
    color: #fff;
    display: inline-block;
    background: #ff1b1b;
    border-radius: 40px;
    padding: 20px 40px;
    text-align: center;
    font-size: 30px;
    line-height: 1.2;
    transition: all 0.3s ease-in-out;
    margin-bottom:70px; 
}
.adv-tel span{ 
    font-weight: 700;
}
.adv-tel:hover{ padding: 20px 50px;}

@media (max-width:991px){    
    .adv-tel{ 
        font-size: 17px;        
        padding: 10px 25px;
        margin-bottom: 20px;        
    }    
    .about{
        padding-top: 30px;
    }
    .about .about-txt{
        width: 100%;     
        margin-bottom: 50px;
    }
    .about a{        
        padding: 10px 15px;
        margin-bottom: 15px;      
    }
    .about .pro-info {
        font-size: 14px;
    }
}
/*产品*/
.product{
    background: url(../img/product.jpg) no-repeat top center #f4f4f4;
    overflow: hidden;    
}
.product .title{
    color: #4358ba;
    line-height: 1.2;
}
.product .title span,.product .pro-info{
    color: #fff;
}
.product .pro-tab{    
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    margin: 0px 0px 15px;
}
.product .pro-tab li{
    width: 14%;
}
.product .pro-tab li a{ 
    padding: 8px 25px;
    margin: 5px 10px;   
    text-align: center;
    color: #000;
    background: rgba(255,255,255,0.95);     
    font-size: 16px;
    font-weight: 500;
    border-radius: 5px;
    display: block;
    transition: all 0.6s;
}
@media (max-width:767px){  
    .product .pro-tab li{
        display: table;
    }
    .product .pro-tab li a{  
        padding: 8px 5px;
        font-size: 14px;
        line-height: 1.0;
        font-weight: 200;
        display: table-cell;
        vertical-align: middle;
        height: 60px;
    }
}
.pro-tab li.active a,.pro-tab li a:hover{     
    background: #ff1b1b;
    color: #fff;
}
.pro-more{
    background: rgba(255,255,255,0);
    border: 1px solid #e0e0e0;
    color: #b3b3b3;
    border-radius: 5px;
    display: block;
    padding: 10px 15px;
    font-size: 18px;
    font-weight: 600;    
    text-align: center;
    margin-top: 50px;
}
/*应用领域*/
.application{
    position: relative;
    overflow: hidden;
}
.application .title{
    color: rgba(255,255,255,0.2);
}
.application .title span{
    color: #fff;   
}
.app-img{
    position: absolute;
    width: 100%;
    top: 0;
    left: 0;
    opacity: 0;
    transition: all 1s; 
}
.app-img img{
    width: 100%;    
    object-fit: cover;
}
.app-img.on{
    opacity: 1
}
.application .app-con{
    position: absolute;
    width: 100%;
    color: #fff;
    left: 0px;
    top: 0px;
}
.app-nav{
    position: absolute;
    width: 100%;
    left: 0;
    bottom: 10%;
}
.app-nav .app-li{
    background: #fff;
    text-align: center;
    padding: 12px 10px;
    font-size: 18px;
    margin-bottom: 15px;
    transition: all 0.5s;
    display: block;
    position: relative;
    cursor: pointer;
}
.app-nav .on .app-li{
    background: #ff1b1b;
    color: #fff;
}
/* 新闻 */
.news .news-box{
    margin-bottom: 30px;
}
.news-box .news-time{
    font-size: 14px;
    color: #ff1b1b; 
    font-weight: 800;    
}
.news-box .news-time:after {
    content: "";
    display: block;
    background: #ff1b1b;
    width: 30px;
    height: 2px;
    transition: all 0.6s;
    margin: 5px 0px;
}
.news-box .news-title{
    overflow: hidden;    
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;    
    -webkit-box-orient: vertical;
    font-size: 18px;
    font-weight: 500;
    line-height: 1.4;
}
.news-box .news-img img {
    overflow: hidden;
    width: 100%;
    margin-bottom: 10px;
}
@media (max-width:991px){
   .news-content {  
        padding: 20px;
    } 
    .news-box .news-title{
        font-size: 15px;
    }
    .news-box .news-time,.news-box .news-desc{
        font-size: 12px;
    }
    .news-box .news-con{
        margin-bottom: 10px;
    }
}
/*产品知识*/
.ktitle{
    font-size: 25px;
    font-weight: 700;
    color:#2b2b2b;
    line-height: 1;
    margin-bottom: 25px;
    text-align: center;
}
.ktitle:after{
    content: "";
    width: 60px;
    height: 3px;
    background: #ff1b1b;
    margin: 10px auto;
    display: block;
}
.knowledge .know-con{
    background-color: #fafafa;
    padding: 15px;
    margin: 15px 0px;
}
.knowledge .know-con .know-title{
    overflow: hidden;    
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.knowledge .know-title i{
    color: #ff1b1b;
    font-size: 18px;
    margin-right: 5px;
}
.knowledge .know-title span{
    display: block;
    padding-left: 20px;
}