.video-tab {
  margin: 50px auto;
}
.video-tab .video-tab-item {
  width: calc((100% - 60px) / 7);
  margin-right: 10px;
  -webkit-box-sizing: border-box;
  -moz-box-sizing: border-box;
  box-sizing: border-box;
  border: 1px solid #e4e4e4;
  padding: 15px;
  float: left;
  height: 160px;
  text-align: center;
}
.video-tab .video-tab-item i {
  font-size: 40px;
  color: #c30f1d;
  display: inline-block;
  margin-bottom: 5px;
}
.video-tab .video-tab-item p {
  font-size: 0.75rem;
}
.video-tab .video-tab-item.active {
  color: #fff;
  background-color: #c30f1d;
}
.video-tab .video-tab-item.active i {
  color: #fff;
}
.video-tab .video-tab-item:last-child {
  margin-right: 0;
}
.video-tab .qrcode {
  text-align: center;
  margin-bottom: 5px;
}
.video-tab .qrcode img {
  display: block;
  margin: 0 auto;
}
/* 列表 */
.classP {
  width: calc((100% - 100px) / 4);
  margin-right: 33.3333px;
  font-size: 0.75rem;
  margin-bottom: 35px;
  border: 1px solid #e5eaf1;
  border-radius: 0.25rem;
  overflow: hidden;
  display: block;
}
.classP:nth-child(4n) {
  margin-right: 0;
}
.classP .pic {
  width: 100%;
  height: 8rem;
  overflow: hidden;
  background-color: #e9e9e9;
  position: relative;
}
.classP .pic img {
  height: 100%;
}
.classP .pic:before {
  font-family: 'iconfont';
  content: '\e641';
  opacity: 0.7;
  width: 40px;
  height: 40px;
  background-color: rgba(0, 0, 0, 0.5);
  border-radius: 40px;
  line-height: 40px;
  text-align: center;
  color: #fff;
  font-size: 18px;
  position: absolute;
  left: calc(50% - 15px);
  top: calc(50% - 15px);
}
.classP .pic-mess {
  padding: 0.3rem;
  padding-top: 0.25rem;
  padding-bottom: 0.32rem;
}
.classP .pic-mess h2 {
  line-height: 1rem;
  height: 2rem;
  color: #000;
  text-align: left;
}
.classP .pic-mess .teacher {
  color: #a09fa7;
  font-size: 0.6rem;
  margin-top: 0.32rem;
}
.classP .lookBtn {
  display: block;
  width: 100%;
  height: 100%;
  border-top: 1px solid #e5eaf1;
  background-color: #f9fafc;
  padding: 0.4rem;
  padding-top: 0.6rem;
  padding-bottom: 0.6rem;
}
.classP .lookBtn .money {
  font-size: 0.6rem;
  color: #f37241;
  font-weight: bold;
}
.classP .lookBtn .lookCount {
  color: #888791;
  font-size: 0.6rem;
}
/* 组织建设 */
.org-tab {
  margin: 30px auto;
}
.org-tab .video-tab-item {
  width: calc((100% - 100px) / 3);
  margin-right: 50px;
}
.org-tab .video-tab-item p {
  font-size: 0.85rem;
}
.org-tab .video-tab-item:hover {
  color: #fff;
  background-color: #c30f1d;
}
.org-tab .video-tab-item:hover i {
  color: #fff;
}
.org-tab .video-tab-item:last-child {
  margin-right: 0;
}