.RelatedCourses {
    width: 740px;
    margin-top: 39px;
    display: none;
}

.RelatedCourses > .tabA {
    width: 100%;
}

.RelatedCourses > .tabA > a {
    float: left;
    box-sizing: border-box;
    width: 110px;
    height: 40px;
    border: 1px solid #EA4245;
    color: #EA4245;
    background-color: #fff;
    font-size: 18px;
    font-weight: bold;
    text-align: center;
    line-height: 37px;
    margin: 0 0 22px 22px;
    overflow: hidden;
}

.activeTa {
    background-color: #EA4245 !important;
    color: #fff !important;
}

.ml0 {
    margin-left: 0 !important;
}

.guanggao {
    width: 348px;
    height: 255px;
    position: absolute;
    left: 0;
    bottom: 0;
    transform: rotateY(-180deg);
}

.guanggao img {
    width: 100%;
    height: 100%;
    display: block;
    border: none;
}

.btn-try {
    position: absolute;
    left: 113px;
    bottom: 10px;
    width: 120px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    font-size: 16px;
    color: #fff;
    background: #eb4245;
    margin: 0 auto;
    border-radius: 30px;
}

.courses-list ul li > div {
    transition: all 0.6s ease-out;
    transform-style: preserve-3d;
    backface-visibility: hidden;
}

.courses-list ul li {
    margin-left: 40px;
    margin-bottom: 33px;
    position: relative;
    background: #fff;
    width: 348px;
    height: 255px;
    perspective: 800px;
}

/*.courses-list ul li:hover .guanggao {*/
/*transform: rotateY(0deg);*/
/*}*/

.courses-list ul li .guanggao > a:first-of-type {
    display: block;
    width: 100%;
    height: 100%;
}

/*.courses-list ul li:hover .li-wrap {*/
/*transform: rotateY(-180deg);*/
/*}*/

.courses-list ul li:hover .courses-img {
    box-shadow: 0 -3px 5px rgba(0, 0, 0, 0.3);
}


.courses-list ul li:hover .courses-content {
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.5);
}

.courses-list ul li .courses-content {
    width: 348px;
    height: 210px;
    border: 1px solid #d9d9d9;
    box-sizing: border-box;
    padding: 50px 0 10px 0;
    position: relative;
    transition: all 0.2s ease-out;
    background: #fff;
}

.li-wrap {
    background: #fff;
    padding-top: 42px;
    position: absolute;
    z-index: 1;
    transform: rotateY(0deg);
    height: 252px;
}

.courses-content h3 {
    font-size: 22px;
    color: #333;
    text-align: center;
    margin: 0;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 348px;
    padding: 0 10px;
}

.info {
    padding-left: 20px;
    margin-top: 16px;
}

.c-con-right {
    margin-left: 30px;
}

.c-con-left span,
.c-con-right span {
    display: block;
    font-size: 14px;
    color: #666;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 150px;
}

.marTop {
    margin-top: 13px;
}

.view-detail {
    display: block;
    width: 120px;
    height: 35px;
    line-height: 35px;
    text-align: center;
    font-size: 16px;
    color: #fff;
    background: #eb4245;
    margin: 0 auto;
    border-radius: 30px;
    margin-top: 16px;
}

.courses-img {
    width: 88px;
    height: 88px;
    position: absolute;
    left: 129px;
    top: -44px;
    border: 1px solid transparent;
    box-sizing: border-box;
    border-radius: 50%;
    transition: all 0.2s;
}

.courses-img img {
    display: block;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    border-radius: 50%;
}

.courses-nav {
    width: 160px;
    margin-top: 39px;
}

.all-courses {
    font-size: 15px;
    color: #ef423e;
    height: 40px;
    line-height: 40px;
    box-sizing: border-box;
    position: relative;
}

.lineGrey {
    display: block;
    height: 2px;
    background: #e0e1e5;
    position: absolute;
    bottom: 0;
    width: 100%;
}

.lineRed {
    display: block;
    height: 2px;
    background: #e74248;
    position: absolute;
    bottom: 0;
    z-index: 1;
    width: 48px;
}

.sbg {
    padding-left: 26px;
    display: block;
    background: url(/assets/images/change/common/kcdh.png) no-repeat 0 0;
    font-weight: bold;
}

/*.courses-nav ul li:before {*/
/*content: "";*/
/*background: #cdced0;*/
/*width: 4px;*/
/*height: 4px;*/
/*border-radius: 50%;*/
/*display: inline-block;*/
/*vertical-align: middle;*/
/*margin-right: 10px;*/
/*}*/

.courses-nav ul li {
    font-size: 14px;
    color: #333;
    line-height: 40px;
    border-top: 1px solid #ebecf0;
    padding-left: 26px;
    background: #f7f8fa;
    font-weight: bold;
    cursor: pointer;
}

.courses-nav ul li a {
    display: inline-block;
    width: 100%;
    font-size: 14px;
    color: #333;
}

.sbg > a {
    color: #333;
}

.courses-nav ul li h2 {
    width: 100%;
    display: inline-block;
}

.courses-nav ul .active {
    background: #eb4245;
}

.courses-nav ul .active a {
    color: #fff;

}

.courses-nav ul .active:before {
    background: #fff;
}

.courses-nav ul li:first-child {
    border-top: none;
}

.marginLeft0 {
    margin-left: 0 !important;
}

.fixedNav {
    position: fixed;
    top: 90px;
    z-index: 99;
    margin-top: 0;
}

.asb0 {
    position: absolute;
    bottom: 0;
    z-index: 99;
    margin-top: 0;
}

/* 课程改 */
.course_page {
    background-color: #f6f7fa;
    width: 100%;
}

.course_main {
    width: 1200px;
    background-color: #fff;
    margin: auto;
    height: 100%;
}

.course_header {
    background-color: #f6f7fa;
    width: 100%;
    height: 86px;
    overflow: hidden;

}

.course_box {
    width: 1160px;
    /* height: 312px; */
    margin: 20px;
    font-size: 15px;
    display: flex;
    background-color: #FBFCFD;
    box-sizing: border-box;
    padding: 30px;
    box-shadow:4px 1px 12px #c9c9c9;
    /* display: none; */
}

.course_img_new{
    width:200px;
    height:140px;
}

.course_img {
    width: 361px;
    height: 252px;
}

.course_con {
    width: 960px;
    padding: 10px 22px;
    box-sizing: border-box;
    color: #333333;
}

.df-s {
    display: flex;
    justify-content: space-between;
    margin-bottom: 25px;
}

.course_title {
    font-size: 30px;
    font-weight: bold;
    line-height: 25px;
	color: #333333;
}

.course_col {
    font-size: 16px;
    font-weight: 400;
    line-height: 25px;
    color: #ED5253;
}

.course_int {
    font-size: 15px;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
	color: #333333;
}

.course_span {
    border: 1px solid #ED5253;
    color: #ED5253;
    padding: 1px 7px;
    font-size: 15px
}

.course_zx {
    border-radius: 20px;
    height: 40px;
    width: 110px;
    line-height: 40px;
    padding: 0px 14px;
    text-align: center;
    font-size: 18px;
    cursor: pointer;
    background-color: #ea4245;
    color: #fff;
    box-shadow: 0px 1px 5px #df2a28;
    position: relative;
    top: -12px;

}

.course_header_ul {
    display: flex;
    margin: 25px 0;
    cursor: pointer;
    flex-wrap: wrap;
    position: relative;
}

.course_header_ul li {
    min-width: 100px;
    height: 40px;
    /* padding: 0 10px; */
    line-height: 40px;
    border: 1px solid #F86B7D;
    color: #F86B7D;
    text-align: center;
    border-radius: 20px;
    margin: 0 38px 24px 0;
}

.course_header_ul li a {
    color: #F86B7D;
    width: 100px;
    height: 37px;
    display: block;
    border-radius: 20px;
}

.color_ff {
    color: #fff !important;
}

.course_header_ul .course_a {
    background-color: #ea4245;
    color: #fff;
    box-shadow: 0px 1px 5px #df2a28;
}

.cou_her {
    display: none;
}

.cou_show {
    display: flex;
}

.cou_zk {
    color: #999999;
    text-align: center;
    height: 40px;
    line-height: 40px;
    align-items: center;
    justify-content: center;
    position: absolute;
    right: 38px;
}

.course_img img {
    width: 100%;
    height: 100%;
}

.course_c {
    overflow: hidden;
}

.com-call-num {
    color: #fff;
}

.df_div > div {
    /* max-width: 200px; */
    width: 200px;
}

/* 课程改 */