.font24{
    font-size: 24px;
}

.ml10 {
    margin-left: 10px;
}

.header-nav-index  ul,.header-nav-index1  ul{
    padding-left: 0;
}
.header-nav-index  li:first-child,.header-nav-index1 li:first-child{
    position: relative;
}
.gpx_le li:first-child .first-child {
    left: 400px !important;
    top: 65px !important;
}


.header-nav-index li{
    float: left;
    height: 80px;
    padding:0 18px;
    /*position: relative;*/
}
.header-nav-index1{
    margin-bottom: 10px;
}
.header-nav-index1 li{
    float: left;
    height: 44px;
}
.header-nav-index li a,.header-nav-index1 li a{
    position: relative;
}

.box1 .box1_right .gpx_box .img1{
    position: absolute;
    width: 40px;
    right: -28px;
    top: -20px !important;

}

.header-nav-index .nav-item,.header-nav-index1 .nav-item{
    line-height: 80px;
    font-size: 16px;
    color: #333;
}
/*.header-nav-index .nav-more,.header-nav-index1 .nav-more{*/
    /*cursor:default;*/
/*}*/
.header-nav-index li.active .nav-item,.header-nav-index1 li.active .nav-item,.header-nav-index li:hover .nav-item,.header-nav-index1 li:hover .nav-item{
    color: #4e9cff;
}
.nav-more .slideToggle_btn{
    display: inline-block;
    vertical-align: middle;
    width: 9px;
    height: 5px;
    margin-left: 5px;
    background-image: url(https://www.niuacc.com/static/common/images/header/icon_header.png);
    background-position: -91px 0;
}
.nav-more.active .slideToggle_btn{
    background-position: -110px 0;
}
.nav-item-child-mask{
    display: none;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    position: fixed;
    left: 0;
    top: 80px;
    z-index: 9999;
}
.nav-item-child-index{
    display: none;
    width: 865px;
    position: absolute;
    left: 685px;
    margin-left: -384px;
    top: 155px;
    z-index: 9991;
    padding-top: 10px;
}

.nav-item-child-index1{
    width: 865px;
    position: absolute;
    left: -242px;
    margin-left: -384px;
    top: -4px;
    z-index: 9991;
    padding-top: 10px;
}

.nav-item-child-index .ct, .nav-item-child-index1_c .ct, .nav-item-child-index1 .ct{
    background-color: #fff;
    box-shadow: 0px 4px 10px 0px rgb(57 57 57 / 11%);
    border:1px solid #f1f1f1;
    background-image: url(/static/shanghu2/image/nav_top.png);
    background-repeat: no-repeat;
    background-position: left top;
    background-size: 100%;
    border-radius: 25px;
    padding: 20px 30px 10px 30px;
}

.child-title{
    font-family: Microsoft YaHei;
    color: #B7C6D7;
    line-height:60px;
}
.index-course-fenlei {
    max-height: 400px;
    overflow-y: scroll;
}
.index-course-fenlei::-webkit-scrollbar {
    width: 0;
    height: 1px;
}
.index-course-fenlei::-webkit-scrollbar-thumb {
    border-radius: 10px;
    box-shadow: inset 0 0 5px rgba(163, 133, 133, 0.2);
    background: #EEEEEE;
}
.index-course-fenlei::-webkit-scrollbar-track {
    box-shadow: inset 0 0 5px rgba(163, 133, 133, 0.2);
    border-radius: 10px;
    background: #FFFFFF;
}
.index-course-fenlei dl{
    min-height: 30px;
    padding-left: 146px;
    margin-bottom: 23px;
    position: relative;
}
.index-course-fenlei img{
    width: 20px;
    height: 20px;
}
.index-course-fenlei dt{
    position: absolute;
    left: 0;
    top: 0;
    width: 120px;
    padding-left: 40px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 600;
    color: #333;
    line-height: 30px;
}
.index-course-fenlei dt:after{
    content: "";
    display: block;
    position: absolute;
    right: 0;
    top: 50%;
    margin-top: -8px;
    width: 1px;
    height: 16px;
    background-color: #e5e5e5;
}
.nav-item-a{
    display: inline-block;
    min-width: 130px;
    height: 30px;
    padding: 0 5px;
    margin-bottom: 11px;
    margin-right: 15px;
    background: #FFFFFF;
    border: 1px solid #E0E2E4;
    border-radius: 15px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333;
    line-height: 28px;
    text-align: center;
}
.nav-item-a:hover{
    background-color: #4e9fff;
    color: #fff !important;
}
.index-course-fenlei dt .icon_fenlei{
    position: absolute;
    left: 0;
    top: 5px;
}

.nav-item-child-close{
    width: 50px;
    height: 50px;
    position: absolute;
    right: 0;
    top: 10px;
    z-index: 9991;
    background-image: url(/static/shanghu2/image/active_close.png);
    background-position: center;
    background-repeat: no-repeat;
    background-size: 22px auto;
    cursor: pointer;
}
.show_tk ul li{
    height: 40px;
    line-height: 40px;
    margin-left: 20px;
}
.show_tk ul.xixi li a:not(.nav-item-a) {
    line-height: 40px !important;
}
.userimg img{
    border-radius: 50%;
}

.nav-item-child-index1_c{
    left: -111px !important;
    top: 5px !important;
    display: none;
    width: 865px;
    position: absolute;
    margin-left: -384px;
    z-index: 9991;
    padding-top: 10px;
}
.header-nav-index1_c li {
    float: left;
}
.gpx_le_c li:first-child .first-child-c {
    top: 72px !important;
    left: 394px !important;
}
.gpx_le_c li a img{
    position: absolute;
    width: 40px;
    right: -28px;
    top: -20px !important;
}