/*
思路：
大局观
HTML写结构，css写样式
HTML先写布局再写内容
由外到内
*/
/*最外层的容器开始*/
.element {
   
	overflow: hidden;
  }
.top{
    width:100%;
    max-width: 1920px;
    min-width: 1280px;
 
}


/*最外层的容器结束*/

/*头部样式开始*/
.header{
    position: relative;
    top: 0;
    left: 0;
    width:100%; 
    height: 70px;
   /*一行文字垂直居中*/
   line-height: 70px;
}
a{
    text-decoration:none;
    color:#000;
}
.menu{
   position:absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 70px;
    background-color: #fff;
    color:#fff;
    
}
    
.tit{
    position: absolute;
    top: 0;
    width:100%; 
    height: 55px;
    font-size:24px;
    text-align: center;
    color: #0477ad;
    /*一行文字垂直居中*/
   line-height: 100px;
}
.email{
    position: absolute;
    top: 30px;
    right: 80px;
   width: 100px; 
   border-left: 2px solid #dadada;
   border-right: 2px solid #dadada;
   height: 30px;
  /* color: #333;
   font: size 12PX;*/
    /*修改光标为小手*/
   cursor: pointer;
   text-align: center;
   /*一行文字垂直居中*/
   line-height: 30px;
    
}
.email:hover{
    color: #bc2e2e;
    border-bottom: 2px solid #bc2e2e;
    background-color: #f3f3f3;

}
/*头部样式结束*/

/*banner样式开始*/
.banner{
    width: 100%;
    height: 650px;
    }
.nav{
    width: 100%;
    height: 60px;
    background: url(../images/top/ditu.jpg)center top no-repeat;
}
/*.banner-box{
    overflow: hidden;
    position: relative;
    width: 100%;
    height: 650px;
}*/
.nav-wrap{
    margin: 0 auto;
    width: 1280px;
    height: 60px;
    line-height: 60px;
}
.nav-wrap li{
   float: left;
    width: 170px;
    font-size: 14px;
}
 .nav-wrap a{
    color: #fff;
}
/*.nav-active{
        background: url("../images/top/1_r12_c4.jpg") center top no-repeat;
}*/
.nav-active>a{
     color: #000;
}
.nav-wrap li:hover{
    background: url("../images/top/yidongkuang.png") center top no-repeat;
    color: #000;
}
.nav-wrap li:hover>a{
    color: #000;
}
.nav:hover>.nav-list{
    display: block;
}
.nav-list img{
    margin: 24px 10px 0;
}

*{
    margin: 0 auto;
    top: 2px;
    padding: 0;
    box-sizing: border-box;
}
.slideshow-container {
    position: relative;
    width: 100%;
    height: 591px;
    overflow: hidden;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    margin: 0 auto;
    width: 100%;
    height: 100%;
    opacity: 0;
    transition: opacity 3s ease;
}

.slide.active {
    opacity: 1;
}

.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.footer {
    background-color: #333;
    color: #fff;
    padding: 20px;
    text-align: center;
}

/*banner样式结束*/
/*主体样式开始*/
.up{
    width: 1920px;
    height: 1930px;
    margin: 0 auto;
    
}

/*主体样式结束*/
/*产品样式开始*/
.chanpin{
    position: relative;
    top: 50px;
    width: 1800px;
    left: -10px;
    height: 1000px;
    background-color: #f7f7f7;
   }
    

.chanpin-title{
    top: 20px;
    left: 800px;
    position: absolute;
    width: 300px;
    height: 100px;
    background: url("../images/img/cpzs.png");


}
.chanpin-tu{
    position: relative;
    top: 200px;
    left: 0;
    width: 100%;
    height: 300px;
  
    }

.chanpin-tu1{
    position: absolute;
    list-style: none;
    text-align: center;
    top: 0;
    left: 25px;
    width: 400px;
    height: 300px;
    background: url("../images/chanpin/KS-3.jpg");
    
}
.chanpin-tu2{
    position: absolute;
    left: 470px;
    width: 400px;
    height: 300px;
    background: url("../images/chanpin/DS-100-BX.jpg");
    
}
.chanpin-tu3{
    position: absolute;
    left: 925px;
    width: 400px;
    height: 300px;
    background: url("../images/chanpin/B-DS100.jpg");
    
}
.chanpin-tu4{
    position: absolute;
    left: 1370px;
    width: 400px;
    height: 300px;
    background: url("../images/chanpin/DS-100.jpg");  
}
.tu-wenzi{
    position: relative;
    list-style: none;
    text-align: center;
    margin: 0 auto;
    top: 220px;
    left: 0;
    width: 1750px;
    height: 50px;
   
}
.wenzi1{
    position: absolute;
    left: 0;
    width: 400px;
    height: 50px;
}
.wenzi2{
    position: absolute;
    left: 450px;
    width: 400px;
    height: 50px;
}
.wenzi3{
    position: absolute;
    left: 900px;
    width: 400px;
    height: 50px;
}
.wenzi4{
    position: absolute;
    left: 1350px;
    width: 400px;
    height: 50px;
}
.chanpin-tuc{
    position: relative;
    top: 75px;
    left: -25px;
    width: 100%;
    height: 300px;
}
.chanpin-tu5{
    position: absolute;
    list-style: none;
    text-align: center;
    top: 0px;
    left: 25px;
    width: 400px;
    height: 300px;
    
    background: url("../images/chanpin/BTY-DK-4.jpg");  
}
.chanpin-tu6{
    position: absolute;
    left: 470px;
    width: 400px;
    height: 300px;
   
    background: url("../images/chanpin/BB-6.jpg");  
}
.chanpin-tu7{
    position: absolute;
    left: 925px;
    width: 400px;
    height: 300px;
  
    background: url("../images/chanpin/BB-7.jpg");  
}
.chanpin-tu8{
    position: absolute;
    left: 1370px;
    width: 400px;
    height: 300px;
    
    background: url("../images/chanpin/T500.jpg");  
}
.wenzi-c{
    position: relative;
    list-style: none;
    text-align: center;
    margin: 0 auto;
    top:320px;
    left: 0;
    width: 1750px;
    height: 50px;
}
.wenzi-c1{
    position: absolute;
    left: 0;
    width: 420px;
    height: 50px;
 
}
.wenzi-c2{
    position: absolute;
    left: 480px;
    width: 400px;
    height: 50px;
  
}
.wenzi-c3{
    position: absolute;
    left: 920px;
    width:400px;
    height: 50px;
}
.wenzi-c4{
    position: absolute;
    left: 1370px;
    width: 400px;
    height: 50px;
}

/*产品样式结束*/
/*检修案例K开始*/
.anli{
    position: relative;
    top: 230px;
    left: -23px;
    width: 1800px;
    height: 800px;
    background-color: #f7f7f7;
 
}

.anli-biaoti{
    top: 20px;
    left: 800px;
    position: absolute;
    width: 227px;
    height: 96px;
    background: url("../images/img/xmal.png");
    
}
/*检修案例K结束*/

/*底部开始*/
.dibu{
    position: relative;
    margin: 0 auto;
    width: 1920px;
    height: 350px;
    
  }
.dibu-a{
    position: absolute;
    width: 100%;
    height: 300px;
    background-color: #f7f7f7;
    border-bottom: 5px solid #000;
}
  .dibu-z{
    position: absolute;
    top: 0; 
    left:350px;
    width: 1600PX;
    height: 300px;
    background-color: #535353;
    border-bottom: 5px solid #000;
    
  }
.shengming{
    position: absolute;
    top:40PX;
    left: -300px;
    width: 240px;
    height: 200px;
    background: url("../images/top/logo2.png");
   
}
.tit{
    position: absolute;
    left: 900px;
}
.zhushi1{
    position: absolute;
    top:150PX;
    left: 950px;
    width: 1000px;
    font-size: 11px;
    
}

.zhushi2{
    position: absolute;
    top:170PX;
    left: 910px;
    width: 1000px;
    font-size: 11px;
}
.zhushi3{
    position: absolute;
    top:190PX;
    left: 905px;
    width: 1000px;
    font-size: 11px;
}
/*底部结束*/