.download_block {
  margin-bottom: 50px;
  padding-top: 0;
}
.download_block .tab_hd {
  display: flex;
  align-items: center;
}
.download_block .tab_hd .item {
  position: relative;
  color: #333333;
  font-size: 18px;
  padding: 0 11px;
  line-height: 35px;
  border: 1px solid #fff;
  cursor: pointer;
}
.download_block .tab_hd .item::before {
  content: '';
  display: block;
  width: 1px;
  height: 20px;
  background: rgba(226, 0, 5, 0.6);
  position: absolute;
  left: 0;
  top: 50%;
  margin-top: -10px;
}
.download_block .tab_hd .item:first-child::before {
  display: none;
}
.download_block .tab_hd .item.on {
  box-shadow: 0px 16px 10px -10px rgba(226, 0, 5, 0.3633);
  border-radius: 0px 0px 0px 0px;
  border: 1px solid #E20005;
  font-weight: bold;
  color: #E20005;
}
.download_block .tab_hd .item.on::before {
  display: none;
}
.download_block .tab_hd .item.on.item + .item::before {
  display: none;
}
.download_block .tab_con {
  margin-top: 23px;
}
.download_block .download_ul {
  display: none;
}
.download_block .show {
  display: block !important;
}
.download_block .download_list .item {
  display: block;
  position: relative;
  padding-left: 30px;
  padding-right: 150px;
  margin-bottom: 6px;
}
.download_block .download_list .item .word {
  display: flex;
  align-items: center;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 40px;
  transition: all 0.3s;
}
.download_block .download_list .item .word .text {
  max-width: 96%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.download_block .download_list .item .word .icon {
  width: 16px;
  height: 16px;
  background: url(../images/icon_download.png) no-repeat;
  background-size: 100% 100%;
  margin-left: 10px;
}
.download_block .download_list .item .time {
  position: absolute;
  right: 0;
  top: 50%;
  transform: translateY(-50%);
  font-weight: 400;
  font-size: 16px;
  color: #999999;
  line-height: 40px;
}
.download_block .download_list .item::before {
  content: '';
  display: block;
  width: 10px;
  height: 10px;
  background: #F8400C;
  border-radius: 50%;
  position: absolute;
  left: 0;
  top: 15px;
}
.download_block .download_list .item:hover .word {
  color: #E20005;
}
.download_block .video_list {
  margin: 0 -12px;
}
.download_block .video_list .item {
  float: left;
  width: 33.3333%;
  padding: 0 12px;
  margin-bottom: 30px;
}
.download_block .video_list .item .inbox {
  display: block;
}
.download_block .video_list .item .img_box {
  height: 220px;
}
.download_block .video_list .item .img_box .img {
  display: block;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.4);
}
.download_block .video_list .item .word {
  margin-top: 16px;
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 1.5em;
  height: 3em;
  text-align: justify;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  transition: all 0.3s;
}
.download_block .video_list .item:hover .word {
  color: #E20005;
}
.clearfix:after {
  content: " ";
  display: block;
  height: 0;
  clear: both;
  visibility: hidden;
  overflow: hidden;
}
.download_detail {
  padding-bottom: 150px;
}
.download_detail .title_hd {
  text-align: center;
  border-bottom: 1px solid #E20005;
  padding-bottom: 40px;
  position: relative;
}
.download_detail .title_hd .title {
  font-weight: 600;
  font-size: 32px;
  color: #E20005;
  line-height: 45px;
}
.download_detail .title_hd .p {
  font-weight: 400;
  font-size: 16px;
  color: #666666;
  line-height: 28px;
  margin-top: 12px;
}
.download_detail .title_hd .p span {
  margin: 0 10px;
}
.download_detail .title_hd::before {
  content: '';
  display: block;
  width: 100%;
  height: 4px;
  background: #E20005;
  position: absolute;
  bottom: 6px;
  left: 0;
}
.download_detail .video_body {
  margin-top: 58px;
  position: relative;
}
.download_detail .video_body #myVideo {
  height: 675px;
  background: #000;
}
.download_detail .video_body .btn_play {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 100px;
  height: 100px;
  margin-top: -50px;
  margin-left: -50px;
  background: url(../images/icon_player.png) no-repeat;
  background-size: 100% 100%;
  cursor: pointer;
}
@media (max-width: 768px) {
  .download_block .download_list .item {
    padding-right: 0;
    padding-left: 20px;
  }
  .download_block .download_list .item .time {
    position: static;
    transform: translateY(0);
    font-size: 14px;
    line-height: 1.8em;
  }
  .download_block .download_list .item .word {
    display: block;
    font-size: 14px;
    line-height: 1.8em;
  }
  .download_block .download_list .item .word .text {
    height: auto;
    text-overflow: initial;
    white-space: normal;
    width: 100%;
    max-width: 100%;
  }
  .download_block .download_list .item .word .icon {
    position: absolute;
    right: 0;
    bottom: 10px;
  }
  .over {
    overflow-x: auto;
  }
  .over::-webkit-scrollbar {
    display: none;
  }
  .download_block {
    padding-top: 15px;
    padding-bottom: 50px;
  }
  .download_block .tab_hd {
    white-space: nowrap;
  }
  .download_block .video_list .item {
    float: none;
    width: 100%;
    margin-bottom: 20px;
  }
  .download_block .video_list .item .img_box {
    height: 180px;
  }
  .download_block .video_list .item .word {
    margin-top: 10px;
  }
  .download_detail .title_hd .title {
    font-size: 18px;
    line-height: 1.5em;
  }
  .download_detail .title_hd .p {
    font-size: 14px;
    line-height: 1.5em;
    margin-top: 6px;
  }
  .download_detail .title_hd .p span {
    margin: 0 3px;
  }
  .download_detail .title_hd {
    padding-bottom: 20px;
  }
  .download_detail .video_body {
    margin-top: 25px;
  }
  .download_detail .video_body #myVideo {
    height: 300px !important;
  }
}