@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: fixed;    
}
.header .logo img{
    height: 65px;
    margin-right: 10px;
    width: auto;
    transition: all .5s;  
}
.header{
    padding: 15px 0px;
    background: rgba(255,255,255,0.85);
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -o-transition: all 0.5s;       
}
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;
    font-size: 18px;
    text-transform: uppercase;
    color: #001b6d;
    font-weight: 400;
    padding: 0px 0px;   
    line-height: 65px;
    white-space: nowrap;
    transition: all 0.3s;
}
header .nav>ul>li:hover a,header .nav>ul>li.active a{
    color: #009bec;
    font-weight: 600;
}
header .nav>ul>li>a img{
    margin-right: 5px;
}
header .nav>ul>li.custom{
    color: #001b6d;
    padding: 0px 0px;
}
header .nav>ul>li.custom>a{
    padding: 8px 12px;
    font-size: 16px;
}
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;
    position: absolute;
    left: 0%;
    opacity: 0;
    top: 95%;   
    background: #f5f5f5;
    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{   
    padding-right: 3rem;
    margin: 0;
    flex-grow: 1;
    flex-shrink: 0;   
    display: flex;
    flex-direction: column;
    break-inside: avoid;
}
header .nav .submenu ul li h5{
    font-weight: 600;
    color: #001b6d;
    line-height: 40px;
    margin-bottom: 5px;
    border-bottom: 2px solid #001b6d;
}
header .nav ul li:hover .submenu{
    opacity: 1.0;
    height: auto;
    z-index: 15;
    padding: 2.5em 0;
}
header .nav ul li:hover .submenu ul li a{
    font-size: 14px;
    font-weight: 400;
    color: #333333;
    margin: 2px 0;
    cursor: pointer;
}
header .nav ul li:hover .submenu ul li a:hover{    
    color: #3c4a76;
}

@media(max-width:992px){
    .header {
        padding: 15px 0px;
    }
    .header .logo img{
        height: 35px;
    }
    header .nav{
        width: 65vw;
    }
    header .nav ul {
        padding-top: 60px;
        transition: all .5s;
        max-width: 100%;
    }
    header .nav ul li a.nav-link{
        font-size: 18px;
        line-height: 30px;
    }
    header .nav>ul>li.tel {
        padding-left: 0px;
        margin-left: -35px;         
    }
   
    header .nav{
        position: fixed;
        right:-100vw;
        top: 0px;
        width:100vw;
        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: 80px 20px 50px 55px;
        transition: all .5s;    
        counter-reset: offcanvas-counter; 
    }
    header .nav ul li{
        display: block;
        padding: 0 0px;    
        position: relative;
    }
    header .nav ul li a.nav-link{    
        display: block;
        position: relative;
        font-size: 16px;     
        line-height: 32px;
        font-weight: 600;
        counter-increment: offcanvas-counter;
    }
    header .nav ul li a.nav-link:before {
        content: counter(offcanvas-counter,decimal-leading-zero);
        position: absolute;
        top: 6px;
        left: -35px;
        color: #001b6d;
        font-size: 20px;
        font-weight: 600;
        line-height: 1;
        margin-right: 1.5625rem;
    }
    header .nav .submenu ,header .nav .sub-menu{
        display: none;
    }
    header .nav.show{
        right: 0;
    }
}
/* banner */

.banner-img{
    position: absolute;
    top: 0;     
    /*height: calc(100% - 80px);*/
    height: 100%;
    background-color: #fff; 
    overflow: hidden;   
}
.banner img,
.banner-img img{    
    width: 100%;
    height: 100%;
    max-width: none;
    transition: all .3s ease-out,right .2s ease-out;
}
.banner-img:before,.banner-img:after{
    position: absolute;
    content: "";
    height: 100%;
    top: 0;
    width: 60%;
    bottom: 0;
    left: -25%;
    right: inherit;
    opacity: .6;
    transform: skewX(-36deg);
    backface-visibility: hidden;
    background: #d7000f;
    z-index: 1;
}
.banner-img:after{    
    left: -23.5%;    
    transform: skewX(-33deg);
    transition: all .3s ease-out,right .2s ease-out;
}
.banner:hover .banner-img img {
    transform: scale(1.1);
}
.banner:hover .banner-img:after{    
    left: -23%;    
    transform: skewX(-33deg);
}
.banner .banner-txt{   
    text-align: left;
    width:100%;    
    position: absolute;
    left: 8%;
    top: 0px;
    color:#fff;
    padding-top:12%;
    z-index: 9;
}
.banner .banner-txt h3{
    font-size: 35px;  
   font-weight: 600;
   margin-bottom: 10%;
}
.banner .banner-txt h3 span{
    display: block;
    font-size: 45px;
    font-weight: 300;
    margin-top: 15px;
}

.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:992px){
    .homeLink{
        padding: 4px 40px;
    }
    .homeLink:hover{  padding: 4px 40px; color:#fff;}

    .banner .banner-txt{
        padding-top: 22%;
    }
    .banner .banner-txt h3{
        font-size: 14px;
    }
    .banner .banner-txt h3 span{       
        font-size: 12px;       
    }
    .banner .banner-txt p{
        font-size: 14px;
        margin: 10px 0px;       
    }
}

.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;
    }   
}

/*关于卡文斯*/
.about{
    position: relative;
    overflow: hidden;
    background: url(../img/about.jpg) no-repeat top 100px center;
}
.about .about-txt{
    margin-bottom: 2%;
}
.about .more {
    padding-bottom: 1px;
    padding-top: 3px;
    position: relative;
    text-transform: uppercase;
    font-weight: 800;
    color: #0179c5;
    font-size: 20px;
    margin-top: 10px;
    display: inline-block;
    letter-spacing: .5px;    
    line-height: 1;
    transition: all 0.3s ease-in-out;
}
.about .sign{
    margin-top: 50px;
    text-align: center;
    display: flex;
    justify-content: space-between;
}
.about .sign h5{
    font-size: 16px;
    line-height: 2;
}
.about .about-sign{
    margin-top: 80px;
    font-size: 30px;
    color: #0179c5;
    text-align: right;
    line-height: 1.1;
    font-weight: 800;
}
@media (max-width:992px){  
    
}
/*明星产品*/

.product {  
    position: relative;
    overflow: hidden;
    background: url(../img/product.jpg) no-repeat top center; 
}
.product .case-nav li{
    width: 100%;
}
.product .case-nav li.on a{ 
    font-weight: 900;  
}
.product .case-nav li a{
    display: block;
    padding: 11.5px 0px;   
    line-height: 1.2;
    font-size: 18px;   
    position: relative; 
    border-bottom:1px solid #ebebeb;
    transition: all .5s;
}
.product .case-nav li a i{
    float: right;
    line-height: 45px;
}
.case-r{
    position: absolute;
    top: 0px;
    z-index: 0;
    width: 100%;
    height: 100%;
    opacity: 0.0;
    transition: .6s;   
}
.case-r ul{
    display: flex;
    justify-content: space-between;
    align-items: stretch;
}
.case-r ul li:first-child{
    width: 36%;
    background: url(../img/probg.jpg) no-repeat #00206b;
    position: relative;
    border-left: 10px solid #0179c5;
}
.case-r ul li:last-child{
    width: 74%;
}
.case-r.on{
    opacity: 1.0;
    z-index: 2;
}
.case-img{
    position: relative;
}
.case-img img{
    width: 100%;
    max-width: none;
}
.case-r .overview{
    line-height: 1.6;    
    bottom: 0px;
    padding: 50px 40px;
    color: #fff;
    z-index: 99;
}
.case-r .overview h5{
    font-size: 24px;
    font-weight: 600;
    margin-bottom: 15px;
}
.case-r .overview .more{
    display: block;
    position: absolute;
    bottom: 50px;
    color: #fff;
    font-size: 18px;
    margin-top: 15px;
    font-weight: 600;
}

@media(max-width:992px){    
    .product .case-nav li a { 
        font-size: 14px;    
        padding: 8px 0px;
    }
}

/*项目服务*/
.service{
    background: url(../img/service.jpg) no-repeat left center #fff;
}
.service ul li .ser-box{
    background: url(../img/serbg.jpg) no-repeat #fff;
    padding: 50px 40px;
    transition: all 0.3s ease-in-out;
}
.service ul li .ser-cate {
    text-transform: uppercase;
    font-size: 20px;
    color: #d1d1d1;
    line-height: 1.1;
    margin-bottom: 80px;
}
.service ul li .ser-cate span{
    font-size: 35px;
    font-weight: 800;
    display: block;
}
.service ul li .ser-title{    
    font-size: 25px;
    font-weight: 900;
    margin: 15px 0px;    
}
.service ul li .ser-desc{  
    height: 170px;
    position: relative;   
}
.service .ser-desc:after{   
    position: absolute;
    bottom: 0px;    
    content: "";
    display: block;
    width: 50px;
    height: 2px;
    background: #d1d1d1;   
}
.service .ser-box:hover{  transform:translateY(-8px);}


.guo-tech .service ul,.service .title{
    margin: 10% 0px 0px 0px;
}
.service .title,.service .title span{    
    color: #fff;
}
.service .title {
    border-right: 4px solid #fff;
    transition: all 0.3s ease-in-out;
}
.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;
    
}
.service:hover .title{
    padding-right: 15px;
}
@media (max-width:992px){
    .service ul li .ser-box{
        display: flex;
        justify-content: flex-start;
        align-items: center;
        padding: 30px 20px;
        margin-bottom: 15px;
    }
    .service ul li .ser-title {
        font-size: 18px;
        margin: 15px 10px;
    }
}
/* 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 {
    padding-bottom: 25px;
    border-bottom: 5px solid #00206b; 
}
.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{    
    margin-bottom: 20px;   
}
.news .n-desc{    
    margin: 10px 0px;
    overflow: hidden;
    text-overflow: -o-ellipsis-lastline;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical; 
}
@media (max-width:991px){     
    .news .news-con a{
        display: flex;
        justify-content: space-between;
    }
    .news .news-con a .n-img{
        width: 44%;        
        margin-bottom: 0px;
    }
    .news .news-con a .n-desc{
        width: 54%;
        margin: 0px 0px;
        -webkit-line-clamp: 2;
    }
    .news .news-con {
        padding-bottom: 15px;
        margin-bottom: 15px;
    }
    .news .n-more{
        font-size: 14px;
    }    
}
/*页面漂浮*/
    #float-img{
	width: 200px;
	height: 174px;
	/*3.为了移动设置位置*/
	position: absolute;
	top: 0;
	left: 0;
	z-index: 999;
	}
    #close{
	width: 15px;
	height: 15px;
	position: absolute;
    top: 0px;
    right: 0px;
	}
@media(max-width:769px){
    #float-img{
	width: 100px;
	height: 65px;
    }
}