header{
    width: 100%;
    height: 56px;
    background-color: #2A2A35;
}
.container{
    width: 1200px;
    margin: 0px auto;
}
.GXJD_Logo{
    margin-top: 7px;
}
.headerSec{
    display: flex;
    justify-content:space-between;
}
.GXJD_Banner{
    height: 360px;
    background: url(../images/banner.png) center top no-repeat;
}
.courseRes_lis{
    width: 100%;
    height: auto;
    background: #ffffff;
}
.courseRes_lis_Bg{
    width: 100%;
}
.courseRes_lis h3.courseIntroTitle{
    display: flex;
    justify-content: flex-start;
    font-size: 18px;
    margin-bottom: 30px;
    margin-top: 36px;
    font-size: 24px;
    color: #000;
}
.courseRes_lis h3.courseIntroTitle i{
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background: url(../images/courseIntro_icon.png) no-repeat;
}
.courseRes_lis h3.courseContentITitle{
    display: flex;
    justify-content: flex-start;
    font-size: 18px;
    margin-bottom: 30px;
    margin-top: 36px;
    font-size: 24px;
    color: #000;
}
.courseRes_lis h3.courseContentITitle i{
    display: inline-block;
    width: 24px;
    height: 24px;
    margin-right: 10px;
    background: url(../images/courseContent_icon.png) no-repeat;
}
.courseRes_lis h3 span{
    display: inline-block;
    line-height: 18px;
    border-bottom: 6px solid #34D47F;
}
.courseRes_lis p.courseIntro{
    line-height: 33px;
    color: #333333;
    margin-bottom: 70px;
    font-size: 18px;
}
.course_chapter_header{
    /* height: 60px;
    line-height: 60px; */
    font-size: 24px;
    color: #333333;
    border-bottom: 1px solid #CCCCCC;
    margin-bottom: 10px;
    font-weight: bold;
}

.course_chapter_header h3 span{
    display: inline-block;
    /* background: url(../images/courseContent_icon.png) 2px no-repeat; */
    border-bottom: 6px solid #34D47F;
}
.chapter_Summary{
    font-size: ;
}

.chapter_items{
    width: 1200px;
    height: auto;
    margin: 0px auto;
    margin-top: 20px;
    margin-bottom: 50px;
}
.courseRes_lis h3.chapterNumOne{
    color: #666666;
    font-size: 16px;
    line-height: 47px;
    margin: 0;
    cursor: pointer;
    padding-left: 30px;
    background: url(../images/shrinkIcon.png) 0 13px no-repeat;
    border-bottom: 1px solid #E0E0E0;
}
.courseRes_lis h3.chapterNumOne.chapterNumOneCurrent {
    background: url(../images/unfoldIcon.png) 0 13px no-repeat;
    color: #333333;
    border-bottom: 0;
}
.chapter_items_contents .course_chapter_item h3 {
    background: url(../images/shrinkIcon.png) 31px 10px no-repeat;
    vertical-align: middle;
    padding-left: 60px;
    line-height: 40px;
    margin-bottom: 0px;
    color: #666666;
    font-size: 16px;
    font-weight: normal;
    margin-top: 0;
    cursor: pointer;
    border-bottom: 1px solid #E0E0E0;
}
.chapter_items_contents .course_chapter_item h3.twoLevelCurrent {
    background: url(../images/unfoldIcon.png) 31px 10px no-repeat;
    color: #333333;
    border-bottom: 0;
}
.chapter_items_contents .course_chapter_item .threeLevelList {
    display: none;
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid #E0E0E0;
}
.chapter_items_contents .course_chapter_item .threeLevelList a {
    display: block;
    padding-left: 62px;
    line-height: 38px;
    font-size: 16px;
    /* margin-bottom: 10px; */
    text-decoration: none;
    color: #666666;
}
.chapter_items_contents .course_chapter_item a:hover, .chapter_items_contents .course_chapter_item a.aCurr {
    color: #C38B37;
    background: #E2E2E2;
}
.chapter_items_contents{
    display: none;
}

/*详情页样式*/
.backList{
    line-height: 56px;
}
.backList a {
    color: #CCCCFF;
    text-decoration: none;
}
.backList a i {
    display: inline-block;
    width: 18px;
    height: 10px;
    margin-left: 16px;
    margin-right: 5px;
    background: url(../images/backIcon.png) no-repeat;
}
.backList span {
    margin-left: 54px;
    font-size: 22px;
    color: #CCCCFF;
}
/*左侧导航栏样式*/
.resource_Assort {
    display: flex;
    width: 100%;
    margin-top: 5px;
    position: fixed;
}
.resource_Assort_lis {
    width: 321px;
    height: auto;
    margin-right: 11px;
    overflow: auto;
    background: #26292C;
}
.resource_Assort_lis_items {
    margin: 15px 6px;
    margin-left: 8px;
}
.resource_Assort_lis_items .chapterNum {
    font-size: 15px;
    color: #999999;
    cursor: pointer;
    line-height: 50px;
    border-bottom: 1px solid #333333;
    font-weight: normal;
    padding-left: 25px;
    background: url(../images/shrinkIcon2.png) 0 15px no-repeat;
}
.resource_Assort_lis_items .chapterNum.chapterNumCurrent {
    color: #ffffff;
    background: url(../images/unfoldIcon2.png) 0 15px no-repeat;
}
.resource_detailContent {
    display: none;
    /* margin-left: 20px; */
}
.resource_detailContent .course_chapter_item {
    margin-left: 0px;
}
.resource_detailContent .course_chapter_item h3 {
    background: url(../images/shrinkIcon2.png) 15px 10px no-repeat;
    vertical-align: middle;
    padding-left: 42px;
    line-height: 40px;
    /* margin-bottom: 15px; */
    color: #CCCCCC;
    font-size: 15px;
    font-weight: normal;
    cursor: pointer;
    border-bottom: 1px solid #383B3F;
}
.resource_detailContent .course_chapter_item h3.dtCurr {
    background: url(../images/unfoldIcon2.png) 15px 10px no-repeat;
    color: #ffffff;
    border-bottom: 0;
}
.resource_detailContent .course_chapter_item .threeLevelList {
    display: none;
    padding-bottom: 5px;
    border-bottom: 1px solid #383B3F;
}
.resource_detailContent .course_chapter_item .threeLevelList a {
    display: block;
    margin-left: 42px;
    line-height: 30px;
    font-size: 15px;
    /* margin-bottom: 10px; */
    text-decoration: none;
    color: #999999;
}
.resource_detailContent .course_chapter_item a:hover, 
.resource_detailContent .course_chapter_item a.aCurr {
    color: #C38B37;
}