.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;
}

.main {
  max-width: 1920px;
  margin: 40px auto 0;
  background: url(../images/bacakground.png) no-repeat;
  background-size: 100% 100%;
}

.main .layout .linehead {
  margin-bottom: 44px;
}

.main .layout .linehead img {
  margin: 0 auto;
  display: block;
  width: 360px;
}

.main .layout .box .contentbox .content ul {
  padding-bottom: 150px;
}

.main .layout .box .contentbox .content ul li {
  float: left;
  margin-right: 19px;
  margin-top: 43px;
  border-radius: 8px;
  box-shadow: 0px 2px 4px 0px rgba(186, 186, 186, 0.5);
  overflow: hidden;
}

.main .layout .box .contentbox .content ul li:nth-child(1),
.main .layout .box .contentbox .content ul li:nth-child(2),
.main .layout .box .contentbox .content ul li:nth-child(3) {
  margin-top: 0;
}

.main .layout .box .contentbox .content ul li:nth-child(3n) {
  margin-right: 0;
}

.main .layout .box .contentbox .content ul li:hover a .content .title {
  color: #B80100;
}

.main .layout .box .contentbox .content ul li a {
  display: block;
}

.main .layout .box .contentbox .content ul li a .imgbox {
  width: 387px;
  height: 221px;
}

.main .layout .box .contentbox .content ul li a .imgbox img {
  display: block;
  width: 100%;
  height: 100%;
}

.main .layout .box .contentbox .content ul li a .detail {
  padding: 15px 15px 20px;
  background: #FFFFFF;
}

.main .layout .box .contentbox .content ul li a .detail .title {
  width: 354px;
  height: 48px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 16px;
  color: #333333;
  line-height: 24px;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  text-overflow: ellipsis;
  word-break: break-all;
}

.main .layout .box .contentbox .content ul li a .detail .writer {
  margin-top: 10px;
  font-family: PingFangSC, PingFang SC;
  font-weight: 400;
  font-size: 14px;
  color: #999999;
}

.main .layout .box .tab {
  margin-bottom: 30px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.main .layout .box .tab li {
  padding: 10px 32px;
  cursor: pointer;
  border-radius: 26px;
}

.main .layout .box .tab li.on{
  background-color: #B80100;
}

.main .layout .box .tab li.on img{
  display: none;
}

.main .layout .box .tab li.on img.on{
  display: block;
}

.main .layout .box .tab li img {
  display: block;
  height: 28px;
}

.main .layout .box .tab li img.on {
  display: none;
}