a, a:focus,a:hover {
    text-decoration: none;
}
.i-slide {
    position: relative;
}
.menu-wrap {
    width: 240px;
    height: 420px;
    position: absolute;
    top: 0;
    left: 50%;
    margin-left: -575px;
    border-radius: 10px;
    z-index: 9999;
}
.menu-list {
    float: left;
    width: 240px;
    height: 420px;
    padding: 20px 0px 10px;
    background: rgba(0,0,0,.8);
}
.menu-list li {margin-left: 15px; position: relative;height:65px;  }

.menu-list li a {padding-left: 20px;font-size: 1.4rem;font-weight: 600;line-height: 60px;  color: #ccc;}
.menu-list li:hover a {
    display: block;
    height: 60px;
    width: 100%;
    border-top-left-radius: 4px;
    border-bottom-left-radius: 4px;
    color: red;
    color: #fff;
    background-color: #6c7176;
}
.menu-list i {
    position: absolute;
    top: 13px;
    right: 20px;
    font-size: 20px;
    color: #ccc;
    z-index: 99999;

}
/* 菜单内容 - 开始 */
.menu-content {
    float: left;
    width: 910px;
    height: 420px;
    background-color: #fff;
    display: none;
}
.menu-content li {
    display: none;
}
.menu-content li .menu-course-page {
    float: left;
    width: 770px;
    height: 420px;
}
/* 全部课程 */
.menu-content li .menu-course-page .all-course {
    height: 180px;
    padding-top: 20px;
}
.menu-content li .menu-course-page .all-course dl:nth-child(n+11) {
    display: none;
}
.menu-content li .menu-course-page .all-course dl {
    margin:0px 10px 8px 30px;
}
.menu-content li .menu-course-page .all-course dl dt {
    display: inline-block;
    margin: 5px 0px;
}
.menu-content li .menu-course-page .all-course dl dt a {
    color: #5595df;
    margin-right: 15px;
    font-size: 1.4rem;
}
.menu-content li .menu-course-page .all-course dl dt a:hover {
    text-decoration: underline;
    color: #5595df;
    font-size: 1.4rem;
}
.menu-content li .menu-course-page .all-course dl dd {
    display: inline-block;
    width: 600px;
    vertical-align: top;
    margin-top: 0px;
}
.menu-content li .menu-course-page .all-course dl dd a{
    display: block;
    float: left;
    line-height: 1.4rem;
    border-left: 1px solid #eee;
    padding: 0px 10px;
    color: #444;
    margin: 8px 0px;
    font-size: 1.4rem;
}
.menu-content li .menu-course-page .all-course dl dd a:hover{
    text-decoration: underline;
    color: #5595df;
}
.menu-content li .menu-course-page .recommend-course h4.title,
.menu-content li .menu-course-page .all-course h4.title {
    width: 70px;
    height: 30px;
    line-height: 30px;
    margin: 20px 0px 0px 30px;
    text-align: center;
    font-size: 1rem;
    border: 1px solid #5595df;
    border-radius: 15px;
    color: #5595df;
}
/* 推荐课程 */
.menu-content li .menu-course-page .recommend-course {
    height: 240px;
    background-color: #f8fafc;

}
.menu-content li .menu-course-page .recommend-course .course-box .item {
    float: left;
    width: 50%;
    padding: 20px 30px;
}
.menu-content li .menu-course-page .recommend-course .course-box .item .left-pic {
    width: 65px;
    height: 40px;
    padding-right: 10px;
}
.menu-content li .menu-course-page .recommend-course .course-box .item .left-pic img {
    border-radius: 4px;width:80px;
}
.menu-content li .menu-course-page .recommend-course .course-box .item .right-con {
    color: #686868;

}
.menu-content li .menu-course-page .recommend-course .course-box .item .right-con .course-name{
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}
.menu-content li .menu-course-page .recommend-course .course-box .item .right-con:hover {
    color: #5595df;
}


/* 广告 */
.menu-content li .menu-intro-banner {
    float: left;
    width: 240px;
    height: 420px;
    padding-left: 20px;
    border-top-right-radius: 10px;
    border-bottom-right-radius: 10px;
    background-color: #f7f7f7;
}
.menu-content li .menu-intro-banner h5.title {
    line-height: 70px;
}
.menu-content li .menu-intro-banner .img-box img{
    width: 200px;
    height: 320px;
}