.banner_3 .list-wrapper {
  width: 1200px;
  min-width: 1200px;
  margin: 60px auto !important;
  margin-bottom: 20px !important;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.banner_3 .list-wrapper .list-item {
  width: 290px;
  height: 270px;
  position: relative;
  cursor: pointer;
  margin-bottom: 40px;
}

.banner_3 .list-wrapper .list-item>a .img-box {
  width: 290px;
  height: 220px;
}

.banner_3 .list-wrapper .list-item>a .img-box>img {
  width: 290px;
  height: 220px;
}

.banner_3 .list-wrapper .list-item>a .title {
  width: 290px;
  height: 52px;
  color: #333;
  font-size: 18px;
  line-height: 52px;
  background-color: #f8f8f8;
}


.banner_3 .list-wrapper .list-item:hover .title {
  color: #fff;
  background-color: #1e9fff;
}

.banner_3 .list-wrapper .list-item:hover .mask {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 220px;
  width: 290px;
  background-color: #69b3eb;
  opacity: 0.6;
  filter: alpha(opacity=60);
}

.banner_3 .list-wrapper .list-item>a .title>span {
  display: block;
  padding: 0 16px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}