/****课程列表****/
.course-list{
  padding: 18px 0 18px 24px;
}
.course-item{
  margin-bottom:26px; 
}
.course-item-header{
  line-height: 1;
  font-size: 16px;
  color: #111;
  padding-bottom: 16px;
  font-size: 0;
  overflow: hidden;
  padding-right: 24px;
}
.course-item-header-title::before{
  content: '';
  width: 14px;
  height: 10px;
  vertical-align: middle;
  display: inline-block;
  margin-right: 12px;
  background: url(../images/course-icon.png);
}
.course-item-header-time{
  font-size: 14px;
  color: #333;
}
.course-item-header-title-name{
  font-size: 16px;
  vertical-align: middle;
  margin-right: 20px;
}
.course-detail-item{
  margin-left: 26px;
  background: #f4f4f4;
  line-height: 50px;
  font-size: 0px;
  color: #444;
  margin-bottom: 10px;
  padding: 0 24px;
  box-sizing: border-box;
  overflow: hidden;
}
.course-detail-item-text{
  font-size: 14px;
  vertical-align: middle;
}
.course-detail-item-img{
  display: inline-block;
  width: 14px;
  vertical-align: middle;
  margin-right: 12px;
}
.color_333{
  color: #333;
}
.mr18{
  margin-right: 18px;
}