.courseBox {
  background: #f5f6f9;
  overflow: hidden;
}
.courseBox .studyInfoTop {
  background: #fff;
  margin: 24px 0;
  padding: 24px;
  display: flex;
}
.courseBox .studyInfoTop img {
  margin-right: 16px;
  border-radius: 6px;
  height: 180px;
  width: 320px;
}
.studyInfoTop dd {
  color: #333;
  font-size: 24px;
  font-weight: 500;
  height: 40px;
  line-height: 32px;
  padding-bottom: 8px;
}
.studyInfoTop dt h4 {
  color: #999;
  font-size: 16px;
  font-weight: 400;
  margin-bottom: 8px;
}
.studyInfoTop dt .priceNormal {
  background-color: #f5f5f5;
  display: flex;
  align-items: center;
}
.studyInfoTop dt .priceNormal span {
  font-family: D-DIN;
  font-size: 20px;
  color: #ff5024;
}
.studyInfoTop dt .priceNormal {
  font-family: D-DIN;
  font-size: 28px;
  color: #ff5024;
  height: 40px;
  padding: 0 16px;
  display: flex;
  align-items: center;
  margin-bottom: 28px;
}
.studyInfoTop dt .priceNormal i {
  text-decoration: line-through;
  color: #999;
  font-size: 14px;
  font-weight: 400;
  text-align: left;
  line-height: 20px;
  font-style: normal;
  margin-left: 8px;
}
.studyInfoCon {
  background: #fff;
  margin: 24px 0;
  padding: 0 24px 24px;
}
.studyInfoEmpty {
  margin-top: 80px;
  text-align: center;
  margin-bottom: 80px;
  color: #999;
  font-size: 16px;
  font-weight: 400;
}
.studyInfoEmpty img {
  margin-bottom: 24px;
}
.courseListTop {
  display: flex;
  justify-content: space-between;
  align-items: top;
}
.courseListTop h4 {
  font-size: 18px;
  margin-bottom: 8xp;
}
.courseListTopSearch {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.courseList li {
  border-bottom: 1px solid #ebebeb;
}
.courseList li a {
  padding: 12px;
  display: block;
}
.courseList li a:hover {
  background: #f5f9ff;
}
.courseList li a h5 {
  font-size: 14px;
  color: rgb(51, 51, 51);
}
.courseList li a p {
  font-size: 12px;
  color: rgb(153, 153, 153);
  margin-top: 8px;
}
.courseLock {
  background: url("/static/images/lock.svg") no-repeat right center;
}
.courseList li a p span {
  border-right: 1px solid #eee;
  padding-right: 6px;
  margin-right: 6px;
}
.courseListTopSearch {
  position: relative;
}
.courseListTopSearch .layui-icon {
  position: absolute;
  right: 84px;
  color: #999;
}
.courseListTopFilter {
  display: flex;
  align-items: center;
  color: #999;
  margin-left: 6px;
  width: 98px;
  justify-content: center;
  cursor: pointer;
}
.courseListSort {
  display: flex;
  margin-bottom: 24px;
}

.courseListSort button {
  width: 280px;
  height: 80px;
  display: flex;
  align-items: center;
  background: #f5f7fa;
  border-radius: 4px;
  color: #333;
  text-align: left;
  position: relative;
  margin-right: 24px;
}

.courseListSort button img{
  border-radius: 4px;
  margin-right: 6px;
}

.courseListSort button .checked-icon {
  position: absolute;
  right: 0;
  top: 0;
  display: none;
}

.courseListSort input[type="radio"]:checked + button .checked-icon{
  background: url('/static/images/checked.png') no-repeat center;
  display: block;
  width: 18px;
  height: 18px;
  background-size: 18px;
}
.courseListSort input[type="radio"]:checked + button{
  border: 1px solid #1472ff;
}
.courseListSort input[type="radio"] {
  width: 0;
  height: 0;
}

.studyVedioCon{
  width: 1200px;
  margin: 0 auto;
}
@media (max-width: 576px) {
  .courseListTopSearch{
    margin: 8px 0;
  }
  .studyVedioCon{width: 100%;}
  .player-container-id-dimensions{
    width: 100%;
    height: 320px;
    /* height: fit-content; */
  }
  .studyInfoTop{
    flex-direction: column;
  }
  .webHeaderInner{
    padding: 0 10px;
  }
  .webHeaderInner .layui-nav .layui-nav-item a{
    padding: 0 12px;
  }
  .courseListTop{
    display: block;
  }
  .studyInfoTop dd{
    margin-top: 16px;
  }
  .studyInfoTop dt .priceNormal{
    margin-bottom: 18px;
  }
  .courseListSort{
    flex-direction: column;
  }
  .courseListSort button{
    width: 100%;
  }
}

@media (min-width: 576px) and (max-width: 991px) {
  .studyVedioCon{width: 100%;}
  .player-container-id-dimensions{
    width: 100%;
    height: 480px;
    /* height: fit-content; */
  }
  .webHeaderInner .layui-nav .layui-nav-item a{
    padding: 0 12px;
  }
  .webHeaderInner{
    padding: 0 10px;
  }
  .courseListTop{
    display: block;
  }
  .courseListTop{
    display: block;
  }
  .studyInfoTop dd{
    margin-top: 16px;
  }
  .studyInfoTop dt .priceNormal{
    margin-bottom: 18px;
  }
  .courseListSort{
    flex-direction: column;
  }
  .courseListSort button{
    width: 100%;
  }
}


@media (min-width: 991px) and (max-width: 1200px) {
  
}

@media screen and (min-width: 1200px) {
  
}