@font-face {
  font-family: 'CTLaoSongSJ';
  src: url('../font/MSLSJ.woff') format('woff');
  font-weight: bold;
  font-style: normal;
  font-display: swap;
}

article {
  margin-top: 0;
}

.intr {
  width: 100%;
  height: 482px;
  background: url(../img/intr_bg.png) no-repeat;
  background-position: center;
}

.intr .content {
  width: 1200px;
  margin: 0 auto;
  padding-top: 40px;
  align-items: flex-start;
}

.intr .content .item_icon {
  width: 440px;
  height: 360px;
  background: url(../img/item_icon.png) no-repeat;
  background-size: 100%;
  padding: 40px 20px 20px;
}

.intr .content .item_icon img {
  width: 400px;
  height: 300px;
  border-radius: 6px;
}

.intr .content .detail {
  width: 720px;
  height: 325px;
  background: linear-gradient(to bottom, #ffffff 60%, rgba(255, 255, 255, 0));
  border-radius: 6px;
  margin-top: 35px;
  padding-top: 30px;
  position: relative;
}

.intr .content .intr_name {
  font-family: 'CTLaoSongSJ';
  margin-left: -15px;
  margin-bottom: 48px;
}

.intr .content .intr_name span {
  font-size: 20px;
  width: 70px;
  height: 36px;
  background-image: linear-gradient(0deg,
      #ff4e19 0%,
      #ff8a00 100%);
  border-radius: 4px;
  color: #ffffff;
  margin-right: 32px;
}

.intr .content .intr_name h2 {
  font-size: 30px;
  color: #1a1a1a;
}

.intr .content .desc {
  font-size: 16px;
  line-height: 30px;
  color: #575757;
  padding-left: 89px;
  padding-right: 94px;
}
.intr .content .remark{
  color: #8b8b8b;
  font-size: 12px;
  position: absolute;
  bottom: 15px;
  left: 0;
  /* transform: translateX(-50%); */
  padding-left: 89px;
}
.intr .content .remark em{
  display: inline-block;
  margin-right: 10px;
}
.video_box .content {
  width: 1200px;
  margin: 30px auto 0;
}

.video_box .sub_box {
  height: 56px;
  display: none;
}

.video_box .sub_list li {
  width: 140px;
  height: 61px;
  background-color: #999999;
  border-radius: 12px 12px 0px 0px;
  font-size: 18px;
  margin-right: 8px;
  cursor: pointer;
  padding-bottom: 5px;
  color: #ffffff;
}
.video_box .sub_list li.active,
.video_box .sub_list li:hover {
  background-image: linear-gradient(0deg,
      #ff4e19 0%,
      #ff8a00 100%);
}

.video_box .sub {
  display: none;
}

.video_box .sub>span {
  width: 111px;
  height: 36px;
  background-image: linear-gradient(0deg,
      #ff4e19 0%,
      #ff8a00 100%);
  border-radius: 4px;
  font-family: CTLaoSongSJ;
  font-size: 20px;
  color: #ffffff;
  margin-bottom: 20px;
}

.videoList {
  padding: 40px 30px 10px;
  background-color: #ffffff;
  border-radius: 6px;
  position: relative;
  z-index: 3;
  flex-wrap: wrap;
  min-height: 457px;
}

.videoList .load {
  width: 100px;
  /*animation: spin infinite 2s;*/
}

@keyframes spin {
  0% {
    transform: rotate(0);
  }

  100% {
    transform: rotate(360deg);
  }
}

.videoList .video {
  width: 212px;
  height: 376px;
  margin-right: 20px;
  background: #000000;
  position: relative;
  margin-bottom: 30px;
  border-radius: 10px;
}
.videoList .video a{
  width: 100%;
  height: 100%;
  overflow: hidden;
  border-radius: 8px;
}
.videoList .video video {
  width: 100%;
  height: 100%;
  border-radius: 8px;
}

.videoList .video:nth-child(5n) {
  margin-right: 0;
}

.videoList .video p {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 50px;
  background: rgba(0, 0, 0, .8);
  padding: 0 15px;
  border-radius: 0 0 8px 8px;
}

.videoList .video p span {
  font-size: 12px;
  line-height: 17px;
  color: #ffffff;
  text-align: center;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
}

.videoList img.play {
  width: 45px;
  z-index: -1;
}

.videoList .video:hover img.play {
  z-index: 1;
}

.videoList img.istop {
  width: 9px;
  height: 13px;
  position: absolute;
  bottom: 11px;
  right: 11px;
}
.videoList .remark{
  font-size: 15px;
  text-align: center;
  width: 100%;
  color: #666666;
}