/* 网课内页begin */

.aui-nav-list-item {
    display: block;
}

.course-cover-fl {
    border: 1px solid transparent;
}

.aui-nav-list-box .aui-current {
    color: #ff700a;
    background: transparent;
    font-weight: bold;
}

.aui-nav-list-box ul li:nth-child(2) {
    margin-left: 57%;
    border-left: solid 1px #e5e5e5;
}

.aui-nav-list-tab {
    display: flex;
    justify-content: space-between;
}

.aui-nav-list-tab .aui-nav-list-item:nth-child(1) {
    flex: 2;
    border-right: 1px solid #e5e5e5;
}

.aui-nav-list-tab div:nth-child(2) {
    flex: 1;
}

.yey-kc-jianjie {
    margin-right: 65px;
}



.width1180 {
    width: 1200px;
    margin: 0 auto;
}


a {
    color: #00bac7;
    background: transparent;
    text-decoration: none;
    outline: none;
    cursor: pointer;
    transition: color .2s ease;
}



li,
ol,
ul {
    list-style: none;
}


.ksrk {
    border-radius: 4px;
    display: -ms-flexbox;
    display: flex;
    background: #f2f4f8;
}

.ksrk .ksrk-l {
    border-radius: 4px;
    position: relative;
    width: 127px;
    background: url(https://t2.chei.com.cn/chsi/assets/gb/pc/images/ksrk.png) 50% no-repeat, linear-gradient(-30deg, #3ab2c2, #4fc8c3);
}

.ksrk .ksrk-l:after {
    position: absolute;
    display: block;
    content: "";
    height: 0;
    width: 0;
    border-left: 8px solid #3ab6c7;
    border-right: 8px solid transparent;
    border-top: 13px solid transparent;
    border-bottom: 13px solid transparent;
    top: 50%;
    margin-top: -13px;
    right: -16px;
}

.ksrk-r {
    -ms-flex: 1;
    flex: 1;
    display: -ms-flexbox;
    display: flex;
    -ms-flex-wrap: wrap;
    flex-wrap: wrap;
    padding: 10px 0 10px 30px;
}

.ksrk-r a {
    margin-right: 2em;
}

.ksrk-r a {
    padding: 2px 0;
    margin-right: 2em;
    font-size: 14px;
    line-height: 30px;
}

.clearfix:after {
    content: " ";
    display: block;
    clear: both;
    height: 0;
}

.click_pop {
    display: inline-block;
    height: 50px;
    font-size: 15px;
    line-height: 50px;
    margin-left: 30px;
    color: #f30;
}

/* 网课内页 end */

/* 首页 */
.ey_impor2,
.ey_impor3,
.ey_impor4,
.ey_impor5,
.ey_impor6 {
    padding-top: 20px !important;
    padding-bottom: 20px !important;
}

.ey_impor2,
.ey_impor4,
.ey_impor6 {
    background: #c6d7f9 !important;
}

.art_p {
    padding: 20px;
    text-align: center;
    font-size: 15px;
}