.course-banner {
  background: url(../images/course-top-banner.png) no-repeat center center;
  background-position: center center;
  background-repeat: no-repeat;
  background-size: cover;
  margin: 0 auto;
}
.course-banner-tit {
  font-weight: bold;
  font-size: 32px;
  color: #6c0;
  line-height: 40px;
}
.course-banner-tit img {
  vertical-align: bottom;
}
.course-list .news-left-list-txt:hover {
  color: #6c0;
}
.course-list .news-left-list-txt {
  max-height: 54px !important;
  -webkit-line-clamp: 3 !important;
}
.course-list li .news-left-list-img-box {
  width: 260px !important;
  height: 173px !important;
}
.exp-list-top-box a:first-child {
  color: #999999 !important;
}
.course-list-box {
  margin: 0 auto;
  width: 1200px;
}
.course-list {
  border: none;
  margin-bottom: 0;
  margin-top: 20px;
}
.course-list-box-bottom {
  margin-top: 16px;
  float: left;
}
.course-list-box-bottom img {
  height: 13px;
  vertical-align: middle;
}
.course-list-box-bottom span {
  font-size: 14px;
  color: #999999;
  line-height: 20px;
  margin-right: 16px;
}
.course-banner-mask {
  width: 1200px;
  height: 260px;
  /* background: rgba(0, 0, 0, 0.4); */
  margin: 0 auto;
}
.course-list-top {
  float: none;
  margin: 0px auto;
  width: 1200px;
  padding: 10px 0px;
}
.course-list li .news-left-list-con {
  width: 920px !important;
}
.course-banner-txt {
  font-size: 16px;
  color: #fff;
  line-height: 24px;
  text-align: center;
  margin: 24px 0 0 0;
  float: left;
  width: 100%;
  padding: 0 100px;
  box-sizing: border-box;
}