*{margin:0;padding:0;font-family: 微软雅黑;}
.clear{
    clear:both;
}

.top_bg{
    width:100%;
    margin:0 auto;
    height:42px;
    background: #859dc4;
}
.top{
    width:1200px;
    margin: 0 auto;
}
.top1{
    float:left;
    width:400px;
    line-height: 42px;
    color:white;
}
.top2{
    float:left;
    width:100px;
    margin-left:300px;
    /* line-height: 42px; */
}
.top3{
    float:left;
    width:100px;
}
.top2 a{
    margin-top:6px;
    /* margin-left:20px; */
    display: block;
    width:85px;
    height:30px;
    background: #748aad;
    border-radius: 15px;
    text-decoration: none;
    color:white;
}
.top3 a{
    margin-top:6px;
    display: block;
    width:85px;
    height:30px;
    /*background: #748aad;*/
    /* border-radius: 15px; */
    text-decoration: none;
    color:white;
}
.top4{
    float:left;
    width:300px;
    line-height: 42px;
}
.header{
    width:1200px;
    margin: 0 auto;
    margin-top: 20px;
    margin-bottom: 30px;
}
.logo{
    float:left;
    width:254px;
}
.desc{
    float:left;
    margin-left: 35px;
    margin-top:20px;
}

.nav_bg{
    width:100%;
    margin:0 auto;
    height:56px;
    
}
.nav{
    width:1200px;
    margin:0 auto;
    
    /* line-height: 120px; */
    /* margin-top: 30px; */
}
.nav li{
   list-style-type:none;/* 去掉li前的点 */
   float: left;/*将li设置成做浮动，变为联动*/
   color:white;
}
.nav a{
   display: block;/*将a变成块状*/
   width: 146px;/*设置块的宽度*/
   height: 56px;/*设置块的长度*/
   font-family: Microsoft Yahei;
   line-height: 56px;/*设置字体在块中的高度*/
   margin: 0px 0px;/*块里的高宽通过margin设置*/
   color:white;
   text-align: center;/*字体居中*/
   text-decoration: none;/*去掉下划线*/
   font-size: 16px;

}
.nav a:hover{
    background-color: #f0f0f0;
    color:red;
}

.product_type{
    width:1200px;
    margin: 0 auto;  
    margin-top: 56px;
    

}
.type_item{
    width:160px;height:59px;
    border:1px solid #d0d0d0;
    background: white;
    text-align: left;
    line-height: 59px;
    padding-left: 20px;
}




.type_item_series1{
    color:black;
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
}

/*.series1 .type_item_series1{
    display:none;
}*/
.series1 :hover{
    color:#669fd7;
}
.series2 :hover{
    color:#669fd7;
}
.series3 :hover{
    color:#669fd7;
}
.series4 :hover{
    color:#669fd7;
}
.series5 :hover{
    color:#669fd7;
}
.series6 :hover{
    color:#669fd7;
}
.series7 :hover{
    color:#669fd7;
}
.series8 :hover{
    color:#669fd7;
}

.type_item_series2{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
    
}

.type_item_series3{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;  
}

.type_item_series4{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
    
}

.type_item_series5{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
    
}

.type_item_series6{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
    
}

.type_item_series7{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
    
}
.type_item_series8{
    padding-top: 12px;
    float:left;
    width:330px;
    height:490px;
    background-color: white;
    display: none;
    
}
.series_item{
    border-bottom: 1px solid grey;
    width:30px;
    float:left;
    margin-left: 21px;
    font-size: 12px;
    text-align: center;
    margin-top: 15px;
}
/* 轮播图 */
.banner{
    width:100%;
    min-width: 1200px;
    height: 544px;
    margin-top: 20px;
}

.swiper1 {
    width: 100%;
    height: 100%;
}
 
  /*主营现货*/
  .main_sale{
    width:1200px;
    margin: 0 auto;
    margin-top:80px;
  }
  .main_sale_content{
    margin-top: 45px;
  }
  .main_sale_a{
    display: block;
    float:left;
    width:136px;
    height:45px;
    font-size: 16px;
    color:white;
    background-color:#a10000;
    text-align: center;
    line-height: 45px;
    text-decoration:none;
    margin-left: 10px;
  }
  .main_item{
    width:280px;
    height:254px;
    border:1px solid #d2d2d2;
    overflow: hidden;
    float:left;
    margin-left: 20px;
    margin-top: 20px;
  }
  .main_item  img:hover{
    transform:scale(1.06);transition: all 0.5s;
  }
/* 产品优势 */
  .advantage_bg{
    width:100%;
    min-width: 1200px;
    margin: 0 auto;
    background-image: url('../images/advantage_bg.png');
    height:558px;

  }
  .advantage{
    /*padding-top: 60px;*/
  }
  
  .advantage_content{
    margin-top:60px;
    width:1200px;
    margin: 0 auto;
}
.advantage_title{
    padding-top:60px;
    color:white;
    text-align: center;
}

.advantage_left{
    float:left;
    width:480px;
    height:240px;
    /* margin-top:60px; */
   
}
.advantage_right{
    float:left;
}
.pk_img{
    margin-left:10px;
}
.advantage_type{
    width:445px;
    height:240px;
    background: white;
}
.type_i{
    height:60px;
    border-bottom: 1px solid #ededed;
    line-height: 60px;
    padding-left:35px;
    font-size:16px;
}
 .type_arrow{
    display: block;
} 
/*.type_i:hover{
    background: red;
    color:white;
}*/
/* .box{
    width: 180px;
    height: 100%;
    background-color: #6a8bbc;
} */

menu {
width: 250px;
height: calc(height-50);
max-height: 100%;
overflow: auto;
float:left;
/* background-color: #6a8bbc; */

}    
menu .menu-item {
position: relative;
/* margin-top: 10px; */
border-bottom:1px solid #e5e5e5;
}
menu .menu-item > input {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 46px;
opacity: 0;
cursor: pointer;
}
/* menu .menu-parent:hover{
background: #2a68ad;
} */
.menu-child a{

    text-decoration: none;
    color:grey;
    
}
menu .menu-parent{
    /* background: #2a68ad; */
    color:black;
    padding-left: 20px;
    
    }
menu .menu-parent:active{
color: #fff;
background-color: #5375f1;
}
menu .menu-parent:visited{
color: #fff;
background-color: #5375f1;
}
menu span {
display: block;
padding: 5px 10px;
font-size: 14px;
line-height: 36px;
cursor: pointer;
}
menu span:hover {
background: #1A2940;
color: #fff;
}
menu span:active{
color: #fff;
background-color: #5375f1;
}
menu span.menu-child {
font-size: 14px;
text-indent: 20px;
/* border-bottom:1px dashed grey; */
}
menu .menu-item-list {
max-height: 0;
overflow: hidden;
transition: all .3s ease;
}
menu :checked + .menu-item-list {
max-height: 500px;
}
.tdcolor { color:red }

.product_list{
    float:right;
    margin-top: 50px;
    width:948px;
}
.product_d{
    float:left;
    margin-left: 13px;
    text-align: center;
    margin-bottom: 20px;
    
}
.product_img{
    width:300px;
    height:224px;
    border:1px solid #e5e5e5;
    overflow: hidden;
}
.product_d p{
    margin-top: 10px;
    width:300px;
    height:35px;
    background: #1c97db;
    line-height: 35px;
    color:white;
}
.product_d img:hover{transform:scale(1.06);transition: all 0.5s;}
.left_2{
    width:250px;
}
.left_3{
    margin-top: 20px;
    
    
}
 .left_2_3{
    width:250px;
    height:80px;
    /* border:1px solid grey; */
    margin-top: 0px;
    background: #056fb8;
   
} 
/* 产品优势 */
.advantage_bg{
    width:100%;
    min-width: 1200px;
    margin: 0 auto;
    background-image: url('../images/advantage_bg.png');
    height:517px;
}
.advantage{
    width:1200px;
    margin: 0 auto;

}
.advantage_content{
    margin-top:60px;
}
.advantage_title{
    padding-top:60px;
    color:white;
    text-align: center;
}

.advantage_left{
    float:left;
    width:480px;
    height:240px;
    /* margin-top:60px; */
   
}
.advantage_right{
    float:left;
}
.pk_img{
    margin-left:10px;
}
.advantage_type{
    width:445px;
    height:240px;
    background: white;
}
.type_i{
    height:60px;
    border-bottom: 1px solid #ededed;
    line-height: 60px;
    padding-left:35px;
    font-size:16px;
}
 .type_arrow{
    display: block;
} 
.type_i:hover{
    background: #ff8400;
    color:white;
}

/*choose*/
 .choose{
    width:100%;
    min-width: 1200px;
    margin: 0 auto;
    margin-top: 70px;
 }
.choose_title{
    width:1200px;
    margin: 0 auto;
}
.choose_content{
    margin-top: 60px;
}
.advantage_item1_left{
    float:left;
    width:600px;
    margin-top:60px;
}
.num_img{
    float:left;
    width:100px;
}
.advantage_item1{
    width:1200px;
    margin:0 auto;
}
.advantage_item2_bg{
    width:100%;
    margin:0 auto;
    min-width: 1200px;
}
.advantage_item2{
   
    width:1200px;
    margin:0 auto;
}
.advantage_item1_left p{
    line-height: 29px;
}
.advantage_item1_2{
    margin-top:60px;
}

.advantage_item2_2{
    margin-top:60px;
}
.advantage_item2{
    margin-top:60px;
}
.advantage_item1_right{
    float:left;
    width:600px;
}
.advantage_item2_left{
    width:600px;
    float:left;
}
.advantage_item2_right{
    width:600px;
    float:left;
}


/*应用领域*/
.apply{
    width:1200px;
    margin: 0 auto;
    margin-top: 70px;
}

.apply_content{
    margin-top:50px;
}
.plan_content_left{
    float:left;
    width:300px;
}
.plan_content_right{
    float:left;
    width:890px;
    margin-left:10px;
}
.plan_item1{
    width:385px;
    height:95px;
    background: #a10000;
    position: relative;
}
.plan_item2{
    border:1px solid grey;
    margin-top:16.5px;
    width:294px;
    height:95px;
    
}
.plan_item3{
    width:895px;
    height:124px;
    position:absolute;
    background-color: rgb(20, 18,18,0.5);
    margin-top:-128px;
    
}
.plan_item3_title{
    width:670px;
    float:left;
    color:white;
    margin-top:45px;
    margin-left:50px;
}
.plan_div{
    width:70px;
    height:70px;
    border: 1px solid #3598db;
    float:left;
    text-align: center;
    margin-top:30px;
    margin-left:30px;

}
.plan_div a{
    display: block;
    width:60px;
    height:52px;
    background: #a10000;
    text-decoration: none;
    color:white;
    margin-top:5px;
    margin-left:5px;
    
}
.en_desc{
    color:grey;
}

/* 四大服务承诺 */
/* .service_img p{
    text-align: center;
} */
/* 关于我们 */
.about_bg{
    height:558px;
    width:100%;
    margin:0 auto;
    margin-top:100px;
}
.about{

    width:1200px;
    margin:0 auto;
    margin-top:50px;
    color:white;
    /*padding-top: 90px;*/
    height:365px;
    background-color: white;
}
.about_left{
    float:left;
    width:600px;
    text-align: center;
}
.about_right{
    width:600px;
    float:left;
    color:white;
    margin-top:40px; 

}
.about_left img:hover{transform:scale(1.08);transition: all 0.5s;}
.about_title{
    padding-top:50px;
}
.about_content{
    margin-top:60px;
}
.about_more{
    margin-top:20px;
    width:125px;
    height:36px;
    border:1px solid #c80000;
    display: block;
    text-align: center;
    color:#666666;
    text-decoration: none;
    line-height: 36px;
    border-radius: 20px;
}

.partner{
    width:1200px;
    margin: 0 auto;
    margin-top: 90px;
}
.partner_content{
    margin-top: 45px;
}
/* 新闻中心 */
.news{
    width:1200px;
    margin: 0 auto;
    margin-top:100px;
}
.news_content{
    margin-top:50px;
}
.news_item{
    width:288px;
    height:360px;
    border: 1px solid #e5e5e5;
    text-align: center;
    float:left;
}
.more_news{
    width:1200px;
    height:48px;
    background-color: #ededed;
    display: block;
    line-height: 48px;
    color:black;
    text-align: center;
    text-decoration:none;
    margin-top: 35px;
}
.footer_bg{
    background: #323232;
}
.footer{
    width:1200px;
    margin:0 auto; 
    color:white;
}
/* 快捷导航 */
.fast_nav_bg{
    width:100%;
    margin:0 auto;
    height:72px;
    background:#f5f5f5;
}
.fast_nav{
    height:72px;
    width:1200px;
    margin:0 auto;
    
}
.fast_nav li{
    list-style-type: none;
    float:left;

}
.fast_nav li a{
    display: block;
    width:120px;
    text-align: center;
    text-decoration: none;
    color:black;
    line-height: 72px;
}

.footer_bg{
    width:100%;
    margin:0 auto;
    background: #202020;
    height:450px;
    margin-top: 100px;
}
.footer{
    width:1200px;
    margin:0 auto;
    padding-top: 80px;
    height:325px;
}
.footer p{
    line-height: 22px;
}

.bottom{
    width:1200px;
    margin: 0 auto;
    height:45px;
}



/*产品中心*/
.product_item{
   width:280px;
   margin-left: 24px; 
   float:left;
   margin-top: 10px;
}
.product_title1{
    height:40px;
    border-bottom: 1px solid white;
   
    line-height: 40px;
    padding-left: 10px;
}
.product_desc1{
    height:80px;
   
    padding-left: 10px;
    padding-top: 5px;
}
.product_i{
     background-color: #d0d0d0;
     width:280px;
}
.product_i:hover{
     background-color:#0e5bce;
     color:white;
}
.product_item img:hover{
    transform:scale(1.06);transition: all 0.5s;
}