.vd_line {
  background: black;
}
.video_box {
  position: relative;
  margin: 0 0 0 20px;
  height: 700px;
}
/*视频和标题*/
.video_left {
  width: 760px;
  padding: 30px 0 0;
  color: white;
  min-height: 720px ;
}
.video_left .video_title {
  font-size: 24px;
  margin-bottom: 10px;
}
.video_left .video_con {
  width: 760px;
  height: 100%;
}
.video_left .video {
  width: 100%;
  height: 580px;
}
.emb {
  display: block;
  width: 760px;
  height: 580px;
  margin: auto;
  /* background: white; */
}
/*目录*/
.video_right {
  width: 400px;
  position: absolute;
  right: 0;
  top: 0;
  bottom: 0;
  background: #1E1E1E;
  color: white;
}
.video_right .video_tab {
  font-size: 24px;
  font-weight: 600;
  height: 70px;
  line-height: 70px;
  text-align: center;
}
.video_right ul {
  height: 630px;
  width: 100%;
  position: absolute;
  overflow: auto;
}
.video_right ul li {
  padding: 12px 15px;
}
.video_right ul li a {
  display: block;
  overflow: hidden;
  color: white;
}
.video_right ul li img {
  width: 160px;
  height: 100px;
  float: left;
  margin-right: 20px;
}
.video_right ul li p {
  font-size: 16px;
  margin-top: 13px;
}
/*热门推荐*/
.video_list {
  width: 100%;
}
.video_list .video_tag {
  height: 50px;
  border-bottom: 1px solid #b4b1b1;
  font-size: 24px;
  font-weight: 600;
  line-height: 50px;
  margin: 0 20px;
}
.video_list ul {
  overflow: hidden;
}
.video_list ul li {
  width: 20%;
  float: left;
  *display: "inline";
}
.video_list ul li a {
  padding: 20px;
  display: block;
  text-align: center;
}
.video_list ul li img {
  width: 200px;
  height: 150px;
}
.video_list ul li .line_title {
  height: 90px;
}
.video_list ul li p {
  margin-top: 13px;
}
.video_list ul li .line_time{
  color: #585858;
}
.video_btn {
  height: 50px;
  padding-right: 30px;
}
.video_btn .btn {
  line-height: 50px;
  float: right;
  margin: 0 20px;
}
.video_btn span {
  display: inline-block;
  vertical-align: middle;
  margin: 0 5px;
  line-height: 30px;
}
.video_btn img {
  vertical-align: middle;
  width: 20px;
}