.video_down_main {
  width: 100%;
}
.video_down_main > ul {
  display: flex;
  flex-wrap: wrap;
  gap: 33px;
}
.video_down_main > ul .video_down_main_item {
  width: calc(100% / 3 - 33px * 2 / 3);
  background: #ffffff;
  border: 1px solid #e5e5e5;
  padding: 60px 35px 30px;
  cursor: pointer;
}
.video_down_main > ul .video_down_main_item.active_go,
.video_down_main > ul .video_down_main_item:hover {
  background: #8b6745;
}
.video_down_main > ul .video_down_main_item.active_go .pdf_img,
.video_down_main > ul .video_down_main_item:hover .pdf_img {
  background: url(../images/pdf_active.png) no-repeat;
}
.video_down_main > ul .video_down_main_item.active_go .title a,
.video_down_main > ul .video_down_main_item:hover .title a {
  color: #fff;
}
.video_down_main > ul .video_down_main_item.active_go .title a:hover,
.video_down_main > ul .video_down_main_item:hover .title a:hover {
  color: #fff !important;
  text-decoration: underline;
}
.video_down_main > ul .video_down_main_item.active_go .desc,
.video_down_main > ul .video_down_main_item:hover .desc {
  color: #e5e5e5;
}
.video_down_main > ul .video_down_main_item.active_go .cell .cell_img.cell_down,
.video_down_main > ul .video_down_main_item:hover .cell .cell_img.cell_down {
  background: url(../images/icon9.png) no-repeat;
}
.video_down_main > ul .video_down_main_item.active_go .cell .cell_img.cell_eye,
.video_down_main > ul .video_down_main_item:hover .cell .cell_img.cell_eye {
  background: url(../images/icon15.png) no-repeat;
}
.video_down_main > ul .video_down_main_item .pdf_img {
  width: 40px;
  height: 40px;
  background: url(../images/pdf_default.png) no-repeat;
}
.video_down_main > ul .video_down_main_item .title {
  margin-top: 20px;
}
.video_down_main > ul .video_down_main_item .title a {
  font-weight: bold;
  font-size: 20px;
  color: #333333;
  line-height: 26px;
  font-family: Akzidenz-Grotesk BQ;
}
.video_down_main > ul .video_down_main_item .desc {
  font-weight: 400;
  color: #666666;
  line-height: 24px;
  margin: 14px 0 30px 0;
}
.video_down_main > ul .video_down_main_item .cell {
  display: flex;
}
.video_down_main > ul .video_down_main_item .cell > a:not(:first-child) {
  margin-left: 37px;
}
.video_down_main > ul .video_down_main_item .cell .cell_img {
  width: 30px;
  height: 27px;
}
.video_down_main > ul .video_down_main_item .cell .cell_img.cell_down {
  background: url(../images/icon10.png) no-repeat;
}
.video_down_main > ul .video_down_main_item .cell .cell_img.cell_eye {
  background: url(../images/icon16.png) no-repeat;
}
.page_size {
  justify-content: flex-start;
}
@media screen and (max-width: 1700px) {
  .video_down_main > ul {
    gap: 25px;
  }
  .video_down_main > ul .video_down_main_item {
    width: calc(100% / 2 - 25px / 2);
  }
}
@media screen and (max-width: 1550px) {
  .float_position,
  .content_aside {
    display: none !important;
  }
}
@media screen and (max-width: 830px) {
  .video_down_main {
    padding: 0 20px;
  }
  .video_down_main > ul .video_down_main_item {
    width: 100%;
  }
  .video_down_main > ul .video_down_main_item .title,
  .video_down_main > ul .video_down_main_item .desc {
    -webkit-line-clamp: unset;
  }
  .layout {
    width: 100%;
  }
  .news-main .layout .content_main {
    margin-top: 30px;
  }
}
@media screen and (max-width: 414px) {
  .video_down_main > ul {
    gap: 20px;
  }
}