*{
    padding:0;
    margin:0;
}
ul li {
    list-style: none;
}
a {
    text-decoration: none;
}
img{
    border: none;
}

header {
    width: 1000px;
    margin:0 auto;
}
header .header_div{
    line-height: 50px;
    margin-top: 20px;
}
header nav {
    background: #fff;
    height: 50px;
}

header nav .header_ul{
    float: right;
}
header nav .header_ul li{
    width: 100px;
    line-height: 50px;
    font-size: 16px;
    text-align: center;
    float: left;
    /*margin-left: 23px;*/
    cursor: pointer;
}
header nav .header_ul li a{
    color: #6e6e6e;
    display: inline;
    position: static;
    padding: 0;
}
header nav .header_ul li .active{
    color: #0a9dfd;
    background-color:#fff;
}
header nav .header_ul a:hover{
    color: #0a9dfd;
    /*background-color:#fff;*/
}
/*中间大图*/
.image_title{
    width: 100%;
    height: 100%;
}

/*产品中心*/
.product_div{
    width: 1000px;
    margin:0 auto;
    margin-top:30px;
}
.product_div div{
    white-space:nowrap;
    margin-top:20px;
}

.product_div div a img{
    width: 19.6%;
}
.product_more{
    text-align: center;
    padding-top: 30px;
}
.product_more a{
    padding-top: 8px;
    padding-bottom: 8px;
    padding-left: 20px;
    padding-right: 20px;
    background-color:#2689c9 ;
    color:#fff;
}
.cooperator_div{
    margin-top: 70px;
    background-color: #dadada;
}
.cooperator_div_image{
     width: 1000px;
     margin:0 auto;
 }
.cooperator_div_image img{
    width: 100%;
}

.solution_dev{
    width: 1000px;
    margin:0 auto;
    margin-top:50px;
}
.solution_dev_upper{
    margin-top:30px;
    display: flex;
    flex-wrap: nowrap;
    justify-content:space-between;
}
.solution_dev_lower{
    display: flex;
    flex-wrap: nowrap;
    justify-content:space-between;
}
.solution_dev img{
    width: 100%;
}

/*尾部*/
.tail_div{
    margin-top: 70px;
    background-color:#2689c9;
}
.tail_div div{
    width: 1000px;
    margin:0 auto;
    display: flex;
    flex-wrap: nowrap;
    padding-top: 30px;
    /*padding-bottom: 10px;*/
}
.tail_div div a{
    color: white;
    font-size: 15px;
}
.tail_div_img{
    margin-left: auto;
}

.tail_div div a:hover{
    color: #0a9dfd;
    /*background-color:#fff;*/
}

.index_bottom{
    color: #333333;
    background-color:#dadada;
    font-size: 12px;
    text-align:center;
    line-height: 45px;
    height: 45px;
}

/*关于我们*/
.about_div{
    width: 1000px;
    margin:0 auto;
    display: flex;
    height: 100%;
    flex-wrap: nowrap;
}

.about_div .about_left_1{
    padding: 15px;
    width: 130px;
    background: #0a9dfd;
    font-size: 16px;
    color: white
}
.about_div .about_left_2{
    width: 130px;
    height: 80%;
    margin-top:5px;
    padding: 15px;
    background: #e8e8e8;
    color: #3e3a39;
    align-items:stretch;
}
.about_left_2 > div{
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #c8d1d6;
}
/*p  span  */
.about_left_p{
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    /*margin-left: auto;*/
    font-size: 14px;
}
.about_left_2 p:hover{
    color: #0a9dfd;
}
/*//自定义圆角*/
/*.radio{*/
    /*display: inline-block;*/
    /*width: 8px;*/
    /*height: 8px;*/
    /*border-radius: 50%;*/
    /*background: #0a9dfd;*/
/*}*/

.about_div_img{
    width: 100%;
    height: 100%;
}

/* 解决方案*/

.solution_div{
    width: 1000px;
    margin:0 auto;
    display: flex;
    height: 100%;
    flex-wrap: nowrap;
}

.solution_div .solution_left_1{
    padding: 15px;
    width: 130px;
    background: #0a9dfd;
    font-size: 16px;
    color: white
}
.solution_div .solution_left_2{
    width: 130px;
    height: 93.1%;
    margin-top:5px;
    padding: 15px;
    background: #e8e8e8;
    color: #3e3a39;
    align-items:stretch;
}
.solution_left_2 > div{
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 1px solid #c8d1d6;
}

.solution_left_p{
    height: 40px;
    line-height: 40px;
    text-align: center;
    cursor: pointer;
    /*margin-left: auto;*/
    font-size: 14px;
}

.about_left_2 p:hover{
    color: #0a9dfd;
}

/***----------产品列表弹出----------------**/
.trans_fadeout{
    -webkit-transition:all 0.5s linear;
    -moz-transition:all 0.5s linear;
    -ms-transition:all 0.5s linear;
    -o-transition:all 0.5s linear;
    transition:all 0.5s linear;
}

.menu_btn_v{
    color:#fff;
}

.menu_item_v{
    width:100%;
    height:680px;
    left: 0;
    margin-top:1px;
    margin-left:0px;
    position:absolute;
    visibility:hidden;
    opacity:1;
    background-color:#FFF;
    border-top:1px solid #dadada;
    border-bottom:1px solid #dadada;
}
.menu_btn_v:hover+.menu_item_v{
    visibility:visible;
}
.menu_item_v:hover{
    visibility: visible;
}

.menu_item_ul {
    margin-top: 30px;
    display: inline-block;
}
.menu_item_ul div{
    float:left
}
.menu_item_ul_1{
    line-height: 25px;
    text-align:left;
    font-size: 13px;
}
menu_item_ul_1 p{
    font-size: 13px;
}
menu_item_ul_1 a:hover{
    color: #0a9dfd;
}