.list {
  width: 1200px;
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 20px;
}
.list li {
  margin: 0 30px 42px 0;
}
.list li:nth-child(3n) {
  margin: 0;
}
.item:hover .img img {
  transform: scale(1.2);
}
.item {
  width: 380px;
}
.item .img {
  width: 100%;
  height: 184px;
  margin-bottom: 40px;
  overflow: hidden;
}
.item img {
  width: 100%;
  height: 100%;
  transition: all 0.3s ease;
}
.title {
  font-size: 18px;
  height: 18px;
  line-height: 18px;
  margin-bottom: 9px;
  overflow: hidden;
}
.content {
  color: #7790b1;
  height: 32px;
  line-height: 16px;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  text-align: justify;
}
.line {
  width: 100%;
  height: 1px;
  background-color: #cde6f7;
  margin: 50px 0 24px;
}
.date {
  height: 16px;
  line-height: 16px;
  color: #186daa;
}
@media (max-width: 1220px) {
  .list {
    width: 800px;
  }
  .list li {
    margin-right: 0;
    margin-bottom: 40px;
  }
  .list li:nth-child(odd) {
    margin-right: 30px;
  }
  .item {
    width: 385px;
  }
}
@media (max-width: 819px) {
  .list {
    width: 100%;
  }
  .list li {
    margin-right: 0;
    margin-bottom: 30px;
  }
  .list li:nth-child(3n) {
    margin-bottom: 30px;
  }
  .list li:nth-child(odd) {
    margin-right: 0;
  }
  .list li:last-child {
    margin-bottom: 0;
  }
  .item {
    width: 100%;
  }
  .item .img {
    margin-bottom: 20px;
  }
  .line {
    margin: 15px 0 10px;
  }
}
<!--ºÄÊ±1755556169.1527Ãë-->