.flood_row {
  overflow: hidden;
  margin-bottom: 15px;
}
.flood_block {
  float: left;
  border: 1px solid #d2d3dc;
  width: 32.83333333%;
  width: 32%\9;
  margin-right: 5px;
  height: 318px;
  overflow: hidden;
}
.flood_block:nth-child(3n) {
  margin-right: 0;
}
.flood_title {
  background: #4d4e62;
  color: #fff;
  overflow: hidden;
  transition: background 0.5s;
  -webkit-transition: background 0.5s;
  -o-transition: background 0.5s;
  -moz-transition: background 0.5s;
}
.flood_title div {
  width: 10px;
  height: 10px;
  background: #000;
  float: left;
  margin: 15px;
}
.flood_title span {
  display: block;
  float: left;
  margin-top: 10px;
}
.flood_title:hover {
  background: #2d2e42;
}
.flood_block_list {
  padding: 15px;
}
.flood_block_list li {
  line-height: 35px;
}
.flood_block_list a {
  color: #2f2f2f;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
  width: 100%;
  transition: color 0.5s;
  -webkit-transition: color 0.5s;
  -o-transition: color 0.5s;
  -moz-transition: color 0.5s;
}
.flood_block_list a:hover {
  color: red;
}
.topic_flood_long_img {
  width: 100%;
  margin: 0 auto;
  vertical-align: bottom;
}
.flood_video_title {
  margin: 10px 15px;
  color: #000;
  font-size: 1.1em;
}
.flood_video {
  width: 90%;
  margin: 0 auto;
  position: relative;
}
.flood_video > img {
  width: 100%;
  margin: 0 auto;
  vertical-align: bottom;
}
.flood_video_btn {
  position: absolute;
  height: 100%;
  width: 100%;
  background: rgba(0, 0, 0, 0.2);
  text-align: center;
  top: 0;
  left: 0;
  transition: background 0.5s;
  -webkit-transition: background 0.5s;
  -o-transition: background 0.5s;
  -moz-transition: background 0.5s;
}
.flood_video_btn:hover {
  background: rgba(0, 0, 0, 0);
}
.flood_video_btn img {
  margin-top: 16%;
}
.news_wrap_bottom {
  position: absolute;
  bottom: 0;
  left: 0;
  background: rgba(0, 0, 0, 0.5);
  width: 100%;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.news_wrap_bottom a {
  color: #fff;
  padding: 10px;
}
.news_wrap {
  position: relative;
}
.swiper-slide {
  height: auto !important;
  position: relative;
}
.swiper-slide img {
  width: 100%;
  height: 278px;
  vertical-align: bottom;
}
.swiper-wrapper {
  height: auto !important;
}
.swiper-container {
  position: relative;
}
.pagination {
  position: absolute;
  z-index: 20;
  right: 10px;
  bottom: 40px;
}
.swiper-pagination-switch {
  display: inline-block;
  width: 8px;
  height: 8px;
  background: #fff;
  margin-right: 5px;
  cursor: pointer;
}
.swiper-visible-switch {
  background: #aaa;
}
.swiper-active-switch {
  background: red;
}
.arrow-left {
  position: absolute;
  left: 10px;
  top: 45%;
  margin-top: -15px;
  width: 17px;
  height: 30px;
  font-size: 3em;
  color: rgba(34, 34, 34, 0.5);
}
.arrow-right {
  position: absolute;
  right: 10px;
  top: 45%;
  margin-top: -15px;
  width: 17px;
  height: 30px;
  font-size: 3em;
  color: rgba(34, 34, 34, 0.5);
}
@media screen and (max-width: 414px) {
  .row {
    margin-top: 2%;
  }
  .activity .content {
    width: 98%;
  }
  .activity img {
    width: 100%;
  }
  .activity .pagination {
    position: absolute;
    z-index: 20;
    left: 46%;
    bottom: 5px;
  }
  .activity .arrow-left,
  .activity .arrow-right {
    top: 25%;
  }
}