*{
    padding: 0;
    margin: 0;
}
body{
    font-size: 14px;
    font-family: "微软雅黑";
    min-width: 1200px;
}

.header{
    width: 100%;
    background-color: #2270E2;
}

.header_con{
    width: 1160px;
    margin: 0px auto;
}
.header_con>li>img{
    width:100%;

}
ul,li{
    list-style-type: none;
}
.jdfont{
    color: #fff;
}
.top{
    background-color: #0a5497;
    width: 100%;
    height: 45px;
    line-height: 45px;

}
.top_nav{
    width: 1200px;
    margin: 0 auto;
}
.welcome{
    display: inline-block;
    color: #fff;
    font-size: 17px;
}
.switch{
    float: right;
    display: inline-block;
    color: #fff;
}
.switch>a{
    color: #ffffff;
    text-decoration: none;
    padding:0 10px;
    font-size: 16px;
}

.nav_wrap{
    width: 100%;
    height: 45px;
    background-color: #0a5497;
}
.nav{
    width: 1300px;
    margin: 0 auto;
    text-align: center;
}
.clear>li{
    height: 100%;
    display: inline-block;
    color: white;
    position: relative;
    cursor: pointer;
    line-height: 45px;
    padding: 0 9px;
    font-size: 15px;
    transition: all 1s;
}
.clear>li:hover{
    background-color: #0862b3;
}
.clear>li>a,.son>li>a{
    color: #fff;
    text-decoration: none;
}

ul.son {
    width:150px;
    background-color: #0862b3;
    position: absolute;
    left: 0;
    top: 45px;
    line-height: 30px;
    height:0;
    transition: 2s;
    display: none;
}
ul.son>li:hover,.Grandson>li :hover{
    background-color: #2270E2;
    z-index: 888;
}
.hover_li:hover .son{
    z-index: 888;
    height: auto;
    display: block;
}
.hover_li2:hover .Grandson{
    z-index: 888;
    height: auto;
    display: block;
}

ul.son>li>a,.Grandson>li>a{
    font-size: 14px;
}

.Grandson{
    width:130px;
    max-width: 130px;
    background-color: #0862b3;
    position: absolute;
    left: -130px;
    top: 0px;
    line-height: 30px;
    height:0;
    transition: 2s;
    display: none;
}
.Grandson>li{
   width:130px;
}
.Grandson>li>a{
 display : block;
   color: #fff;
   text-decoration: none;
}


.footer-box{
 background-color: #2270E2;
    width:100%;
}
.footer-box .footer {
 overflow: hidden;
 color: #fff;
 padding: 10px 0;
 line-height: 25px;
 margin: 0 auto;
    width: 1200px;
    height: 120px;
 position: relative;
}
.ewm,.contact{
    position: absolute;
    height:100%;  
    top: 0;
}
.footer-box .footer .school{
 margin: 0 auto;
    width: 400px;
}
.footer-box .footer .school .img-school{
 width: 80%;
 margin-top: -20px;
}
.footer-box .footer .contact { 
 margin-top: 30px;
 left: 0;
    width: 220px;
    text-align: left;

}
.footer-box .footer .contact ul li a{
    color: #ffffff;
    text-decoration: none;
}
.footer-box .footer .contact ul li a :hover{
    text-decoration: underline;
}


.footer-box .footer .title {
 width: 210px;
    font-size: 24px;
    color: #ffffff;
    margin-top: 5px;
    margin-bottom: 23px;
}
.footer-box .footer .contact ul {
    line-height: 0px;
    width: 100%;
}
.footer-box .footer .contact ul li {
    width: 100%;
    margin-bottom: 30px;
    font-size: 14px;
}
.footer-box .footer .jidian {
 position: absolute;
 right: 120px;
 width: 100px;
 top: 40px;
 text-align: center;
 font-size: 14px;
 line-height: 30px;
}
.footer-box .footer .ewm{
 margin-top: 15px;
 right: 0;
    width: 112px;
}
.footer-box .footer .ewm .img-ewm{
 width: 100px;
}
.copyRight {
 line-height: 22px;
 padding: 8px 0;
 text-align: center;
 background-color: #0a5497;
 color: #fff;
}

.search{
    position: relative;
    float: right;
}
.search_i{
    
    position: absolute;
    right: 12px;
    top: -12px;
}
input{
    padding:0 8px;
    outline: none;
    height:30px;
    border-radius: 5px;
    background-color: #ffffff;
}