.oc_banner_aside {
  position: relative;
}
.oc_banner_aside > li {
  position: unset;
}
._oc_banner_aside-box {
  width: 634px;
  height: auto;
  top: 100%;
  border-radius: 2px;
  display: flex;
  position: absolute;
  left: 0;
  z-index: 99;
}
._oc_banner_aside-l {
  width: 120px;
  height: 100%;
  padding: 12px 0;
  border: 1px solid #E8E8E8;
  border-right: 0;
  background: #FFFFFF;
}
._oc_banner_aside-l li {
  padding: 8px 15px;
  line-height: 20px;
  margin-bottom: 4px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  white-space: nowrap;
}
._oc_banner_aside-l li.active-li {
  background: #FFF6F0;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 600;
  color: #FF6600;
}
._oc_banner_aside-r {
  flex: 1;
  padding: 20px 15px;
  border: 1px solid #E8E8E8;
  background: #FFFFFF;
  padding-bottom: 174px;
}
._oc_banner_aside-r > li {
  display: none;
  height: 100%;
  flex-direction: column;
  justify-content: space-between;
}
._oc_banner_aside-r > li:first-child {
  display: flex;
}
._oc_banner_aside-r > li li {
  display: flex;
  margin-bottom: 8px;
}
._oc_banner_aside-r > li li > a {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  line-height: 16px;
  margin-right: 32px;
  white-space: nowrap;
}
._oc_banner_aside-r > li li dl {
  display: flex;
  flex-wrap: wrap;
}
._oc_banner_aside-r > li li dl dd {
  margin-right: 12px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  margin-bottom: 8px;
}
._oc_banner_aside-r > li li dl dd a {
  color: #999999;
  white-space: nowrap;
}
._oc_banner_aside-r > li li dl dd a:hover {
  color: #FF6600;
}
.online-course-condition {
  flex-wrap: wrap;
  padding-bottom: 25px;
}
.online-course-condition .condition-ul {
  display: flex;
  flex-wrap: wrap;
}
.online-course-condition .condition-ul > li {
  margin-right: 16px;
  margin-bottom: 12px;
}
.online-course-condition .condition-ul > li a {
  line-height: 28px;
}
.online-course-condition .condition-ul > li a.active {
  font-weight: 600;
  background: #FFF6F0;
  border-radius: 4px;
  color: #FF6600;
}
.condition-children-box {
  margin-top: 12px;
  width: calc(100% - 120px);
  margin-left: auto;
}
.online-course-condition .condition-children-ul {
  position: unset;
  flex-wrap: wrap;
  padding-top: 6px;
  padding: 6px 8px 0;
}
.online-course-condition .condition-children-ul li {
  margin-right: 16px;
  margin-bottom: 6px;
  position: relative;
}
.online-course-condition .condition-children-ul li > a,
.online-course-condition .condition-children-ul li > span {
  display: block;
  white-space: nowrap;
  height: 24px;
  line-height: 20px;
  padding: 2px 8px;
  font-size: 14px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
  cursor: pointer;
}
.online-course-condition .condition-children-ul li > a i,
.online-course-condition .condition-children-ul li > span i {
  font-size: 12px;
}
.online-course-condition .condition-children-ul li > a.active,
.online-course-condition .condition-children-ul li > span.active {
  font-weight: 400;
  background: #FFFFFF;
  border-radius: 2px;
  border: 1px solid #FF6600;
  color: #FF6600;
}
.online-course-condition .condition-children-ul li .subclass-box {
  width: 280px;
  position: absolute;
  top: 28px;
  left: 0;
  z-index: 99;
  padding: 12px;
  background: #FFFFFF;
  border-radius: 4px;
  border: 1px solid #EEEEEE;
  display: none;
}
.online-course-condition .condition-children-ul li .subclass-box h6 {
  font-size: 12px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 600;
  color: #333333;
  line-height: 16px;
}
.online-course-condition .condition-children-ul li .subclass-box dl {
  display: flex;
  flex-wrap: wrap;
}
.online-course-condition .condition-children-ul li .subclass-box dl dd {
  margin: 8px 16px 0 0;
}
.online-course-condition .condition-children-ul li .subclass-box dl dd a {
  height: auto;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #999999;
  line-height: 16px;
}
.online-course-condition .condition-children-ul li .subclass-box dl dd a:hover,
.online-course-condition .condition-children-ul li .subclass-box dl dd .active {
  color: #FF6600;
}
.children_ul {
  width: 520px;
  min-height: 368px;
  background: rgba(255, 255, 255, 0.98);
  padding: 16px 24px;
  padding-bottom: 168px;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  display: none;
}
.children_ul li {
  display: flex;
}
.children_ul li > a {
  width: 80px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 600;
  color: #333333;
  margin-top: 8px;
  flex-shrink: 0;
}
.children_ul li a {
  font-size: 14px;
  white-space: nowrap;
  padding: 0;
  height: auto;
  line-height: unset;
}
.children_ul li a:hover {
  background-color: unset;
}
.children_ul li dl {
  display: flex;
  flex-wrap: wrap;
  margin-top: 8px;
}
.children_ul li dl dd {
  margin-left: 12px;
  margin-bottom: 8px;
}
.children_ul li dl dd a {
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #666666;
}
.recommend-course {
  margin-top: 8px;
  width: 472px;
  position: absolute;
  bottom: 16px;
  right: 24px;
}
.recommend-course .recommend-course-tit {
  display: flex;
  font-size: 14px;
  font-family: PingFangSC-Medium, PingFang SC;
  font-weight: 600;
  color: #FF6600;
  line-height: 20px;
}
.recommend-course .recommend-course-tit img {
  width: 16px;
  height: 16px;
  margin-right: 4px;
}
.recommend-course ol {
  margin-top: 12px;
  display: flex;
}
.recommend-course ol dd {
  width: calc((100% - 40px) / 3);
  margin-right: 20px;
}
.recommend-course ol dd a {
  height: auto;
  padding: 0;
  line-height: unset;
}
.recommend-course ol dd a:hover {
  background-color: unset;
}
.recommend-course ol dd .recommend-course-img {
  width: 100%;
  height: 80px;
  position: relative;
  border-radius: 4px;
}
.recommend-course ol dd .recommend-course-img img {
  width: 100%;
  height: 100%;
  border-radius: 4px;
}
.recommend-course ol dd .recommend-course-img em {
  display: block;
  position: absolute;
  left: 0;
  top: 0;
  padding: 2px 4px;
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #FF6600;
  background: rgba(255, 237, 225, 0.8);
  border-radius: 4px 0px 4px 0px;
}
.recommend-course ol dd p {
  font-size: 12px;
  font-family: PingFangSC-Regular, PingFang SC;
  font-weight: 400;
  color: #333333;
  line-height: 17px;
  margin-top: 8px;
}
.recommend-course ol dd:last-child {
  margin-right: 0;
}
.oc_banner_aside > li {
  height: 50px;
}
.oc_banner_aside > li {
  padding: 0 16px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.oc_banner_aside > li i {
  font-size: 16px;
  color: #fff;
}
.classify-box .classify-first {
  margin-bottom: 1px;
}
.classify-box .classify-first a {
  font-size: 14px;
  font-weight: bold;
  color: #FFFFFF;
  line-height: 16px;
}
.classify-box .classify-second a {
  font-size: 12px;
  color: #999999;
}
.oc_banner_aside li.active .classify-second a {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
}
.online-course-crumbs a:not(:last-child):hover {
  color: #FF6600;
}
.condition-ul li a:hover {
  font-weight: 600;
  background: #FFF6F0;
  border-radius: 4px;
  color: #FF6600;
}