.LineHide {
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  word-break: break-all;
}
.clearfix:after {
  content: "";
  clear: both;
  height: 0;
  overflow: hidden;
  visibility: hidden;
  display: block;
}
.clearfix {
  zoom: 1;
}
.headbanner {
  background: url(../images/ppxm.png) no-repeat;
  background-size: cover;
}
.ppxm {
  margin-bottom: 76px;
}
.ppxm .tit {
  margin-bottom: 31px;
}
.ppxm .active {
  display: block;
}
.ppxm ul {
  display: none;
}
.ppxm ul li {
  float: left;
  margin-right: 19px;
  margin-bottom: 49px;
  overflow: hidden;
  border-radius: 10px;
}
.ppxm ul li:hover a img {
  transform: scale(1.2);
}
.ppxm ul li:nth-child(4n) {
  margin-right: 0;
}
.ppxm ul li a {
  display: block;
}
.ppxm ul li a img {
  width: 284px;
  height: 164px;
  border-radius: 10px;
  transition: all .3s;
}