.ztList {
  display: flex;
  flex-wrap: wrap;
  width: 1200px;
  margin: 0 auto;
}

.ztList li {
  width: 290px;
  height: 330px;
  float: left;
  margin: 0 13px 40px 0;
  border: 1px solid #e5e5e5;
  border-radius: 6px;
  overflow: hidden;
}
.ztList li:hover {
  box-shadow: 0px 8px 17px rgba(190, 190, 190, 0.3);
}

.ztList li:nth-child(4n) {
  margin-right: 0;
}

.ztList li img {
  width: 100%;
  height: 206px;
  vertical-align: top;
  margin-bottom: 25px;
  border-radius: 6px 6px 0 0;
}

.ztList li h2 {
  height: 20px;
  line-height: 1;
  font-size: 20px;
  text-align: center;
  margin-bottom: 18px;
  padding: 0 16px;
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ztList li p {
  line-height: 22px;
  color: #484848;
  padding: 0 16px;
  margin-bottom: 24px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  word-break: break-all;
  overflow: hidden;
  text-overflow: ellipsis;
}