.ztzl-content {
  background: #fff;
  margin-top: 14px;
  min-height: 630px;
  box-shadow: 3px 3px 15px #262626;
}

.list {
  width: 960px;
  margin: 0 auto;
  display: flex;
  flex-wrap: wrap;
}

.list-item {
  width: 33.33%;
  padding: 15px;
  box-sizing: border-box;
}

.list-item a {
  display: block;
  padding-top: 67.4%;
  position: relative;
}
.list-item-img {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.list-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.list-item p {
  text-align: center;
  font-size: 16px;
  color: #000;
  margin-top: 10px;
}

@media screen and (max-width: 768px) {
  .list {
    width: 100%;
  }
  .list-item {
    width: 50%;
    padding: .2rem;
  }
  .ztzl-content{
    min-height: 8rem;
  }
}