.wapper {
  width: 100%;
}

.inner {
  width: 1200px;
  margin: auto;
}

.video-wapper {
  width: 100%;
  height: 446px;
  margin-top: 24px;
  position: relative;
}

.video-wapper .inner {
  position: relative;
}

.video-wapper .left {
  width: 790px;
  display: inline-block;
  height: 100%;
}

.video-wapper .left .video {
  width: 100%;
  height: 344px;
  background: red;
  position: relative;
}

.video-wapper .left .video .palybtn {
  width: 100px;
}

.video-wapper .left .subtitle {
  width: 100%;
  height: 100px;
  padding-left: 20px;
  background-color: #333;
  overflow: hidden;
}

.video-wapper .left .subtitle h1 {
  color: white;
  margin: 14px 0 18px 0;
  font-size: 20px;
}

.video-wapper .left .subtitle h2 {
  font-weight: normal;
  color: #ddd;
  font-size: 20px;
}

.video-wapper .right {
  display: inline-block;
  width: 380px;
  height: 100%;
  overflow-y: scroll;
  position: absolute;
  top: 0;
  right: 0;
}

.video-wapper .right .btn-item {
  width: 358px;
  height: 99px;
  line-height: 99px;
  margin-bottom: 16px;
  border: 2px solid #dddddd;
  padding-left: 35px;
  position: relative;
  font-size: 22px;
  font-weight: bold;
  color: #666666;
  cursor: pointer;
}

.video-wapper .right .btn-item img {
  position: absolute;
  width: 24px;
  top: 7px;
  bottom: 0;
  left: 4px;
  margin: auto;
}

.video-wapper .right .btn-item.select {
  background: #fff8e8;
  border: 2px solid #fdba12;
  color: #FDBA12;
}

.video-wapper .right::-webkit-scrollbar-button {
  display: none;
}

.video-wapper .right::-webkit-scrollbar {
  width: 11px;
  height: 100%;
  background: #eeeeee;
  border-radius: 5px;
}

.video-wapper .right::-webkit-scrollbar-thumb {
  width: 10px;
  height: 134px;
  background: #dddddd;
  border-radius: 5px;
}

.video-list .title-box {
  margin: 68px 0 12px;
}

.video-list .title-box h1 {
  font-size: 36px;
}

.video-list .nav {
  width: 100%;
  height: 65px;
  padding: 0 32px;
  position: relative;
  border-bottom: 1px solid #F0AB00;
}

.video-list .nav .inner {
  position: relative;
  height: 100%;
}

.video-list .nav .item {
  width: 200px;
  height: 100%;
  font-size: 24px;
  font-weight: 500;
  color: #333333;
  line-height: 42px;
  text-align: center;
  float: left;
}

.video-list .nav .item.select {
  color: #F0AB00;
}

.video-list .nav .line {
  width: 130px;
  height: 4px;
  display: block;
  position: absolute;
  bottom: 0;
  left: 35px;
  -webkit-transition: all 0.25s ease;
  transition: all 0.25s ease;
  background: #f0ab00;
}

.video-list .inner .list {
  width: 100%;
  margin-top: 20px;
}

.video-list .inner .list .item {
  width: 230px;
  float: left;
  margin-right: 10px;
  margin-bottom: 20px;
  position: relative;
}

.video-list .inner .list .item:nth-of-type(5n) {
  margin-right: 0;
}

.video-list .inner .list .item .video-cover {
  width: 100%;
  height: 130px;
  background-color: red;
}

.video-list .inner .list .item .cover {
  width: 100%;
  height: 130px;
  position: absolute;
  z-index: 1;
  background-color: rgba(0, 0, 0, 0.25);
  left: 0;
  top: 0;
}

.video-list .inner .list .item .play {
  width: 48px;
}

.video-list .inner .list .item .desp {
  width: 100%;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 16px;
  font-weight: 400;
  color: #333333;
  line-height: 22px;
}
