.main {
  padding: 0 20px;
  box-sizing: border-box;
  min-height: 900px;
  background: #fff;
}
.tabBox {
  padding-top: 30px;
  border-bottom: 1px solid #C11402;
}
.tabBox .tabItem {
  float: left;
  margin-right: 10px;
  width: 146px;
  height: 40px;
  text-align: center;
  line-height: 40px;
  background-color: #E5E5E5;
  color: #C11402;
  border-radius: 2px;
  cursor: pointer;
}
.tabBox .tabItem.active {
  background-color: #C11402;
  color: #ffffff;
}
.videoBox {
  margin-top: 35px;
  padding: 5px;
  box-sizing: border-box;
}
.videoBox .videoItem {
  margin-right: 23px;
  margin-bottom: 25px;
  float: left;
}
.videoBox .videoItem:nth-child(4n) {
  margin-right: 0;
}
.videoBox .videoItem a {
  display: block;
  width: 270px;
}
.videoBox .videoItem a img {
  display: block;
  width: 100%;
  height: 160px;
}
.videoBox .videoItem a p {
  line-height: 40px;
}