@charset "utf-8";
.clearfix:after {
  visibility: hidden;
  display: block;
  font-size: 0;
  content: " ";
  clear: both;
  height: 0;
}
.sidebar_left {
  float: left;
  width: 243px;
}
.sidebar_left .sidebar_list {
  width: 100%;
  height: auto;
  box-sizing: border-box;
  border-right: 1px solid #E6DCDC;
}
.sidebar_left .sidebar_list a {
  display: block;
  font-size: 16px;
  color: #857878;
  line-height: 21px;
}
.sidebar_left .sidebar_list .item {
  box-sizing: border-box;
  width: 242px;
  text-indent: 47px;
  position: relative;
}
.sidebar_left .sidebar_list .item a {
  padding-top: 20px;
  padding-bottom: 19px;
  position: relative;
}
.sidebar_left .sidebar_list .item a:before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 230px;
  height: 1px;
  background: #E8E4E4;
}
.sidebar_left .sidebar_list .item i {
  position: absolute;
  left: 16px;
  top: 28px;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: #E6DCDC;
}
.sidebar_left .sidebar_list .item .item_children_list {
  display: none;
}
.sidebar_left .sidebar_list .item_active .item_head {
  color: #fa7d3c;
  font-weight: bold;
}
.sidebar_left .sidebar_list .item_active i {
  background: #fa7d3c;
}
.sidebar_left .sidebar_list .item_active .item_children_list {
  display: block;
}
.sidebar_left .sidebar_list .item_children_subitem {
  box-sizing: border-box;
  width: 242px;
  height: 60px;
  position: relative;
}
.sidebar_left .sidebar_list .item_children_subitem a {
  padding-top: 20px;
  padding-bottom: 19px;
}
.sidebar_left .sidebar_list .item_children_active,
.sidebar_left .sidebar_list .item_children_subitem:hover {
  background: linear-gradient(90deg, rgba(255, 255, 255, 0) 0%, #ffffff 100%);
}
.sidebar_left .sidebar_list .item_children_active a,
.sidebar_left .sidebar_list .item_children_subitem:hover a {
  color: #fa7d3c;
}
.container_wrap {
  padding-top: 50px;
  padding-bottom: 60px;
  min-width: 1180px;
  overflow: hidden;
}
.main_content {
  float: right;
  box-sizing: border-box;
  width: 878px;
  height: auto;
}
.course_moduler {
  width: 100%;
}
.course_moduler .main_body {
  width: 100%;
}
.course_moduler .list {
  width: 912px;
}
.course_moduler a {
  display: block;
}
.course_moduler .item {
  float: left;
  width: 270px;
  height: 263px;
  border: 1px solid #E6DCDC;
  box-sizing: border-box;
  margin-right: 34px;
  margin-bottom: 36px;
  -webkit-transition: all .5s ease;
  -o-transition: all .5s ease;
  -moz-transition: all .5s ease;
  transition: all .5s ease;
}
.course_moduler .item .img {
  width: 268px;
  height: 160px;
}
.course_moduler .item .img img {
  width: 100%;
  height: 100%;
}
.course_moduler .item .item_dl {
  width: 100%;
  background: #fff;
  height: 101px;
  box-sizing: border-box;
  padding: 18px 25px 0 19px;
}
.course_moduler .item .item_title {
  max-height: 38px;
  font-size: 14px;
  color: #342525;
  line-height: 19px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-all;
}
.course_moduler .item .item_name {
  margin-top: 10px;
  height: 19px;
  font-size: 14px;
  color: #7B6C6C;
  line-height: 19px;
}
.course_moduler .item:hover {
  -webkit-transform: scale(1.05);
  -moz-transform: scale(1.05);
  -ms-transform: scale(1.05);
  -o-transform: scale(1.05);
  transform: scale(1.05);
}
.course_moduler .item:hover .item_title {
  color: #fa7d3c;
}