@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: relative;
    width: 100%;
    top: 0px;
    background: #fff;    
}
.header .logo img{
    height: 100px;
    width: auto;
    transition: all .5s;  
}
@media(max-width:767px){   
    .header .logo img{ 
        height: 55px;
    }
}
header .nav{
    padding: 0px 0px;    
    display: flex;
    justify-content: flex-end;
}
header .nav>ul{
    display: flex;
    justify-content: flex-end;  
    transition: all .5s;
}
header .nav>ul>li{    
    position: relative;
}
header .nav>ul>li>a{   
    position: relative;
    font-size: 18px;
    text-transform: uppercase;    
    font-weight: 400;
    padding: 0px 15px;   
    line-height: 100px;
    display: block;
    white-space: nowrap;
    transition: all 0.3s;
}
header .nav>ul>li:hover a,header .nav>ul>li.active a{
    background: #ffc600;
    color: #2b2b2b;
}
header .nav>ul>li:hover a>b{
    transform: rotateY(0);
    -webkit-transform: rotateY(0);
    -o-transform: rotateY(0);
}
header .nav ul.submenu li a.has-children:after {
    content: "\f105";
    font-family: FontAwesome;
    font-size: 12px;
    font-weight: normal;
    margin-left: 5px;
    margin-top: 5px;
    position: absolute;
    right: 15px;
    top: 7px;
}
header .nav ul.submenu {
    display: none;
    position: absolute;
    left: 0%;
    top: 100%;
    margin-left: 0px;
    min-width: 120px;
    background: #fff;
    border-radius: 2px;    
}
header .nav ul.submenu li{width:100%; position: relative; border-bottom:1px solid rgba(0,0,0,.05);}
header .nav ul.submenu li a{
    font-weight: 300;
    background: #fff;    
    display:block;font-size:14px; 
    color:#444; line-height:20px;
    padding:12px 25px; text-align:left;
    white-space: nowrap;
    text-overflow: ellipsis;
}
header .nav ul.submenu li a:hover{color:#2b2b2b; background:#ffc600;}
header .nav>ul>li:hover ul.submenu{
    display: block;
}
header .nav ul.xmenu{
    position: absolute;
    display: none;
    top: 0px;
    left: 100%;    
    background: #fff;
    border-radius: 4px;
    box-shadow: 2px 2px 2px rgba(0,0,0,0.25);
}
header .nav ul.submenu li:hover ul.xmenu{
    display: block;
}
header .nav ul.xmenu li{
    float: none;    
}
header .nav ul.xmenu li a{
    display: block;
    text-align: left;
    font-size: 14px;
    padding: 10px 10px;
    line-height: 1;
    text-transform: uppercase;
    white-space: nowrap;
    text-overflow: ellipsis;    
    font-weight: normal;
}

.header.on{
    position: fixed;
    background: rgba(0,0,0,0.8);
}

@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;       
        background: #fff;
    }
    header .nav>ul{
        display: block;
    }  
    header .nav{
        position: absolute;
        left:-100vw;
        top:100%;
        width:70%;
        height:calc(100vh - 55px);
        background:#000;        
        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:#fff;
        line-height: 40px;
        font-size: 14px;
    }
}
@media(max-width:1200px){
    .header .nav .submenu li {
        display: none !important;
    }
}
/* banner */
.banner{
    position: relative;
    overflow: hidden;
}
.commont{
    padding-top: 50px;
}
.common{
    padding-top: 50px;
    padding-bottom: 50px;
}
.title{
    font-size: 18px;     
    position: relative;
    font-weight: 500;    
    padding: 5px 0px;
}
@media (max-width:767px){
    .common{
       padding-top:30px;
       padding-bottom:30px;
    }
    .title{
        font-size: 16px;
        padding-bottom: 10px;
    }        
}

/*首页关于我们*/
.contactus{
    position: relative;
    padding: 10px 10px;  
    background: url(../img/contact.jpg) no-repeat center bottom #fff;
}
/*产品类别*/
.process .nav-list .nav-img{
    position: relative;
    background: #000;
    overflow: hidden;
}
.process .nav-list .nav-img img{
    width: 100%;
    opacity: 0.8;    
    transition: all 0.6s;
}
.process .nav-list:hover .nav-img img{
    transform: scale(1.1);
    -webkit-transform: scale(1.1);
    -o-transform: scale(1.1);
}
.nav-txt{
    padding: 20px 10px;
    text-align: center;
    background: url(../img/a.jpg) no-repeat center #fff;
    transition: all 0.6s;
}
.nav-txt:hover{
    color: #fff;   
    background: url(../img/a_hover.jpg) no-repeat center #fff;
}
.nav-txt h4{
   font-size: 16px;
}
@media (max-width:991px){
    .process .nav-list{
        margin-bottom: 15px;
    }
    .nav-txt {        
        padding: 15px 10px;
    }
    .nav-txt h4 {
        font-size: 14px;
    }    
}

/*首页关于我们*/
.about,.news{
    position: relative;   
    background: #fff;
    display: flex;
    justify-content: space-between;
}
.about .picList,.news .picList{
    width: 48.5%;
}

.about-nav ul li{
    margin: 5px 0px;
    padding-left: 10px;
    position: relative;
}
.about-nav ul li:before{
    position: absolute;
    top:5px;
    left: 0px;
    content: "\f0da";
    font: normal normal normal 12px/1 FontAwesome;
    font-size: 12px;
    text-rendering: auto;
    -webkit-font-smoothing: antialiased;
}
.about-nav ul li h5 span{
    display: block;
}
@media (max-width:992px){  
    .about,.news{
        margin-bottom: 15px;
    }
    .about-nav ul li {
        margin: 0px 0px;
    }
}
/*展会  新闻 */
.about-nav,.newslist{
    width: 50%;
    padding: 10px 10px;
}
.newslist ul li{    
    font-size: 14px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;   
}
@media (max-width:991px){
    .newslist ul li:last-child{
        display: none;
    }    
}