@charset "utf-8";

header{
    width:100%; 
}
/*................*/
.header{
    padding: 0px 0px;
    max-width:1920px;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -o-transition: all 0.5s;
    z-index: 999;
    position: fixed;
    width: 100%;
    top: 0px;
    background: rgba(0,0,0,0.85);
}
.header .logo img{
    height: 80px;
    padding: 25px 0px;
    width: auto;
    transition: all .5s;
}
header .nav{
    padding: 0px 0px;    
    display: flex;
    align-items: center;
    justify-content: flex-end;
}
header .nav>ul{   
    transition: all .5s;
}
header .nav>ul>li{
    display: inline-block;   
    padding: 0px 1.2rem;
}
header .nav>ul>li>a{   
    position: relative;
    display: block;
    font-size: 1.25rem;
    color: #fff;
    text-transform: uppercase;
    padding: 0px 0px;   
    line-height: 80px;
    white-space: nowrap;
    transition: all 0.3s;
}
@media (max-width: 1280px){ 
    header .nav>ul>li{
       padding: 0px 0.6rem;
    }   
}

header .nav>ul>li:hover a,header .nav>ul>li.active a{
    color: #255ca8;
}
.header .nav>ul>li:hover .submenu{ opacity:1; visibility:visible}
.header .nav>ul>li .submenu li:hover a,header .header.on .nav>ul>li .submenu li:hover a {color:#255ca8}

.submenu { 
    width: 100%;
    background: rgba(0,0,0,0.9);
    left: 0%;
    padding: 30px 0px 30px;
    position: absolute;
    top: calc(100% + 0px);
    z-index: 0;
    height: 0px;
    visibility: hidden;
    overflow: hidden;
    transition: height .5s;
    border-top: 1px solid rgba(255,255,255,0.2);    
}
.submenu .t {
    font-size: 20px;
    color: #fff;
    font-weight: bold;
    margin-bottom: 5px;
}
.submenu .sub-menu{
    display: flex;
    flex-wrap: wrap;
}
.submenu .sub-menu li {
    width: 18%;
    margin-right: 2%;
    display: block;     
    opacity: 0; 
    -webkit-transition: opacity .4s, -webkit-transform .5s;
    -moz-transition: opacity .4s, -moz-transform .5s;
    -ms-transition: opacity .4s, -ms-transform .5s;
    -o-transition: opacity .4s, -o-transform .5s;
    transition: opacity .4s, transform .5s;
    text-align: left;
    display: flex;
    align-items: stretch;   
}
.header .nav .submenu .sub-menu li a{
    font-size: 14px;
    color: #fff;
    line-height: 1.2;
    padding: 10px 0px;
    display: flex;
    width: 100%;
    align-items: center;
    border-bottom: 1px solid rgba(255,255,255,0.2);
    display: block; transition: .6s;
}
.header .nav>ul>li:hover .submenu li, .header .nav>ul>li:focus .submenu li {
    opacity: 1;
    -webkit-transform: none;
    -moz-transform: none;
    -ms-transform: none;
    -o-transform: none;
    transform: none;
}
.header .nav>ul>li:hover .submenu, .header .nav>ul>li:focus .submenu {
    height: 200px;
    z-index: 10;
}
/*分享按钮*/
.shareicon{
    font-size: 1.142rem;
    color: #fff;
    white-space: nowrap;
}
.shareicon ul{
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}
.shareicon ul li{
    position: relative;
    margin-left: 15px;
}
.shareicon i,.shareicon a{    
    color: #fff;
    font-size: 16px;
    transition: all 0.5s;
}
.shareicon a{
    font-size: 18px;
}
.foot-text .shareicon ul li {
    position: relative;
    margin-left: 0px;
    margin-right: 15px;
}
header .header .shareicon a.weChat .er-box {
    position: absolute;
    top: 100%; 
    left: 0;   
    width: 10px;
    height: 10px;
    opacity: 0.0;
    transition: all 0.3s;
}
header .header .shareicon a.weChat:hover .er-box{
    opacity: 1.0;
    background: #fff;
    padding: 5px;
    width: 100px;
    height: 100px;
}
@media (max-width: 992px){  
    .header .logo img {
        height: 50px;
        padding: 15px 0px;
    }
    header .nav>ul{
        display: block;
    }  
    header .nav{
        position: absolute;
        left:-100vw;
        top: 100%;
        width:100%;
        height:calc(100vh - 60px);
        background: #343434;        
        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{        
        line-height: 45px;
        font-size: 16px;
        padding: 0px 10px;
        border-bottom: 1px solid #f8f8f8;
    }
    .submenu{
        display: none;
    }
    .shareicon ul li{
        margin-left: 0px;
    }
}
/* banner */
.banner{
    position: relative;
    width: 100%;
    background: #000;
    overflow: hidden;
}
.banner .banner-txt{  
    width:50%;    
    position: absolute;
    top: 28%;
    left: 0%;
    transform: translate(0%, -50%);
    padding: 0px 5%;
    z-index: 9;
    color:#fff;
}
.banner .banner-txt h3{
   font-size: 1.75rem;
   font-weight: 200;
   line-height: 1.0;
   color: #181818;   
}
.banner .banner-txt.txt3{  
    width:100%;
    left: 50%;
    transform: translate(-50%, -50%);
}
.banner .banner-txt.txt2 h3{
    color: #255ca8;
}

.banner .banner-txt h3 span{  
    display: block;
    font-weight: 600; 
    font-size: 3.0rem;
    margin-bottom: 0.5rem;
    color: #255ca8;
}
@media(max-width:1299px){
    .banner .banner-txt h3{
        font-size: 32px;
    }
    .banner .banner-txt h3 span{
        font-size: 18px;       
    }
}
@media(max-width:991px){
    .banner .banner-txt{
        top: 55%;
        width: 100%;
    }
    .banner .banner-txt h3{
        font-size: 14px;
    }
    .banner .banner-txt h3 span{
        font-size: 18px;
    }
}

.common{
    padding-top: 100px;
    padding-bottom: 100px;
}
.commonT{
    padding-top: 100px;    
}
.title{
    font-size: 1.875rem;
    line-height: 1.2;
    font-weight: 600;
    position: relative;
    text-transform: uppercase; 
    margin-bottom: 30px;
}
.title span{
    display: block;
    font-weight: 300;
    font-size: 1.25rem;
    width: 75%;
    margin: 0px auto;
}
.more{
    margin-top: 1.5rem;
}
.more a{    
    display: block;
    border-radius: 35px;    
    padding: 15px 0px;
    opacity: 0.8;
    border: 1px solid #d8d8d8;    
    font-size: 1.125rem;
    transition: all 0.3s ease-in-out;     
}
.more a:hover{
    background: #255ca8;
    color: #fff;
}

@media (max-width:992px){    
    .common{
       padding-top:30px;
       padding-bottom:30px;
    }
    .commonT{
        padding-top: 40px;    
    }
    .title{
        margin-bottom: 10px;
    }
    .title span{
        font-size: 1.125rem;
        width: 100%;
    }
    .more a{
        font-size: 1.25rem;
    }
}
/*产品分类*/
.product{
    overflow: hidden;
    background: #fff;
    position: relative; 
}
/*首页关于我们*/
.about{
    position: relative;
    background: url(../img/about.jpg) no-repeat top center #fff;
    overflow: hidden;
    background-size: cover; 
}
.about .title{
    color: #255ca8;
    font-size: 1.75rem;
    margin-top: 3rem;
}
.about .about-txt{
    width: 40%;    
    line-height: 1.4;
    margin: -1.5rem 0px 12rem;
    font-size: 1.125rem;
}
.about .about-txt h5{
    font-size: 2.8rem;
    line-height: 1.0;
    font-weight: 700;
    margin: 0px 0px 2rem;
}
.about a.more{
    display: inline-block;
    background: #255ca8;
    color: #fff;
    font-size: 1.125rem;
    padding: 15px 3rem;
    border-radius: 35px;
    transition: all 0.3s ease-in-out;
    margin-bottom: 5rem;
}
.about a.more:hover{
    padding: 15px 3.5rem;
}
@media (max-width:767px){
    .about .about-txt h5{
        font-size: 2.15rem;
    }
    .about .about-txt{
        width: 100%;
        margin: 1rem 0px 1rem;
        font-size: 1.125rem;
    }
    .about .about-txt .txt{
        width: 100%;
    } 
}
/* 新闻 */
.news{
    background: #fff;
    overflow: hidden;
}

.news .n-img{
    overflow: hidden;
    border-radius: 15px;
    position: relative; 
    margin-bottom: 1rem;
}
.news .n-img img {    
    width: 100%;    
    transition: all 0.6s;
}
.news .n-img:hover img {
    transform: scale(1.1);
}
.news .news-title{    
    font-size: 1.25rem;
    text-overflow: ellipsis;
    white-space: nowrap;
    overflow: hidden;    
    transition: all 0.6s;
}
.news .news-time span{  
    font-size: 0.875rem;
}
.news .news-more span,.product-list .more{    
    display: inline-block;    
    color: #255ca8;
    line-height: 1.0;
    padding: 5px 8px;
    font-weight: 600;
    border-radius: 100%;
    border: 1px solid #d8d8d8;
    font-size: 1.5rem;
    transition: all 0.3s ease-in-out;
    margin: 1rem 0rem 2rem;     
}
.product-list .more{
    float: right;
     margin: 0rem 0rem 0rem;
}
.news .news-more span:hover,.product-list .more:hover{  
    color: #fff;
    background: #255ca8;
    border: 1px solid #255ca8;
}
@media (max-width:991px){ 
    .news .n-img{
        margin-top: 1rem;
    }
}
/*立即咨询*/
.adv{
    background: url(../img/adv.jpg) no-repeat center;   
    background-size: cover;
    padding: 4.0rem 3rem;
    color: #fff;
    border-radius: 15px;
}
.adv .adv-txt{
    font-size: 2.15rem;
    line-height: 1.1;
    font-weight: 800;
    margin: 0rem 0px 2.5rem 0px;
}
.adv .adv-txt span{
    display: block;
}
.adv .adv-more{ 
    font-size: 1.125rem;
    line-height: 1.0;
    white-space: nowrap; 
    transition: all 0.6s;    
}
.adv .adv-more span{
    display: block;
    font-size: 1.875rem;
}
.adv .adv-more:hover{
    padding: 0px 0px 0px 10px;
}
@media (max-width:991px){ 
    .adv{        
        padding: 2.0rem 1.5rem;
    }
    .adv .adv-txt{
        font-size: 1.60rem;
    }
    .adv .adv-more {
        display: inline-block;
        font-size: 1.475rem;
    }
}