.page-video .video-list {
  display: flex;
  flex-wrap: wrap;
  display: -ms-flexbox;
  -ms-flex-wrap: wrap;
}
.page-video .video-list .video-item {
  margin-bottom: 12px;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  display: -ms-flexbox;
  -ms-flex-direction: column;
  -ms-flex-align: center;
  -ms-flex-pack: center;
  width: calc((100% - 60px) / 4);
  margin-left: 12px;
}
.page-video .video-list .video-item:nth-of-type($row + 0n) {
  margin-right: 12px;
}
.page-video .video-list .video-item .cover-image {
  width: 100%;
  height: 200px;
  position: relative;
}
.page-video .video-list .video-item .cover-image .cover {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-video .video-list .video-item .cover-image .play {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  border-radius: 50%;
  border: 4px solid #ffffff;
  background: url("../images/icon/play-one.svg") no-repeat center center;
  background-size: 80% 80%;
  filter: drop-shadow(0 0 10px rgba(0, 0, 0, 0.5));
}
.page-video .video-list .video-item .video-item-title {
  font-size: 16px;
  width: 100%;
  color: #333333;
  background-color: #efefef;
  padding: 8px 12px;
  text-align: center;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@media screen and (max-width: 768px) {
  .page-video .video-list {
    flex-direction: column;
    -ms-flex-direction: column;
  }
  .page-video .video-list .video-item {
    width: 100%;
    margin-left: 0;
    margin-right: 0;
  }
  .page-video .video-list .video-item:nth-of-type(4n) {
    margin-right: 0;
  }
}