.train-content ul li {
  width: calc(50% - 30px);
  margin-right: 60px;
  float: left;
  margin-bottom: 60px;
  background-color: #f5f5f5;
  transition: all 0.3s;
}
.train-content ul li:nth-child(2n) {
  margin-right: 0;
}
.train-content ul li .left-img {
  width: 280px;
}
.train-content ul li .left-img .img-box {
  width: 100%;
  padding-bottom: 65%;
  position: relative;
  overflow: hidden;
}
.train-content ul li .left-img .img-box img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  top: 0;
  left: 0;
  transition: all 0.5s;
}
.train-content ul li .right-info {
  width: calc(100% - 280px);
  padding: 40px;
}
.train-content ul li .right-info .date {
  font-size: 16px;
  line-height: 1;
  margin-bottom: 22px;
  color: #999999;
  font-family: "Arial";
  transition: all 0.3s;
}
.train-content ul li .right-info h3 {
  font-size: 22px;
  line-height: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  display: block;
  white-space: nowrap;
  color: #3e3a39;
  transition: all 0.3s;
}
.train-content ul li .right-info .news-more {
  margin-top: 24px;
  font-size: 16px;
  line-height: 1;
  color: #999;
  transition: all 0.3s;
}
.train-content ul li .right-info .news-more i {
  font-size: 16px;
  line-height: 1;
  margin-left: 12px;
  vertical-align: middle;
}
.train-content ul li:hover {
  background-color: #fff3f3;
}
.train-content ul li:hover .left-img .img-box img {
  transform: scale(1.1);
}
.train-content ul li:hover .right-info h3,
.train-content ul li:hover .right-info .date {
  color: #333;
}
.train-content ul li:hover .right-info .news-more {
  color: #333;
}
.list-more {
  display: none;
}
@media (max-width: 1440px) {
  .train-content ul li .left-img {
    width: 220px;
  }
  .train-content ul li .right-info {
    width: calc(100% - 220px);
    padding: 20px;
  }
  .train-content ul li .right-info h3 {
    font-size: 18px;
  }
  .train-content ul li .right-info .news-more,
  .train-content ul li .right-info .date,
  .train-content ul li .right-info .news-more i {
    font-size: 14px;
  }
}
@media (max-width: 1080px) {
  .train-content ul li {
    width: 100%;
    margin-right: 0;
    margin-bottom: 20px;
  }
  .train-content ul li:last-child {
    margin-bottom: 0;
  }
  .list-more {
    display: block;
  }
}
@media (max-width: 768px) {
  .train-content ul li .left-img {
    width: 100%;
  }
  .train-content ul li .right-info {
    width: 100%;
  }
}
@media (max-width: 550px) {
  .train-content ul li .right-info .news-more,
  .train-content ul li .right-info .date,
  .train-content ul li .right-info .news-more i {
    font-size: 12px;
  }
  .train-content ul li .right-info .date {
    margin-bottom: 10px;
  }
  .train-content ul li .right-info .news-more {
    margin-top: 15px;
  }
  .train-content ul li .right-info h3 {
    font-size: 16px;
  }
}