.ld-banner {
  width: 100%;
  height: 460px;
  background-image: url("../image/aboutus/banner.jpg");
  background-position: center center;
  background-size: cover;
  background-repeat: no-repeat;
  overflow: hidden;
  text-align: center;
  color: #fff;
  font-size: 100px;
  letter-spacing: 15px;
  font-weight: bold;
  line-height: 460px;
}

.navigation-page {
  width: 100%;
  height: 60px;
  line-height: 60px;
  font-size: 16px;
  color: #666666;
  background-color: #EFF2F6;
}

.navigation-page img {
  width: 100%;
}

.navigation-center {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-between;
}

.navigation-current {
  color: #333333;
  font-weight: bold;
}

.navigation-list>ul {
  display: flex;
  height: 100%;
}

.navigation-list>ul li {
  margin-left: 30px;
  height: 58px;
}

.navigation-list>ul li.active {
  color: #307CFF;
  border-bottom: 2px solid #307CFF;
}

.item-box {
  padding: 80px 0;
}

.item-title {
  text-align: center;
  margin-bottom: 50px;
}

.item-title h2 {
  color: #333333;
  font-size: 50px;
}

.title-line {
  width: 150px;
  height: 6px;
  background-color: #2F7CFF;
  margin: 15px auto;
  border-radius: 4px;
}

.item-title p {
  color: #999999;
  font-size: 24px;
}

.news-tab {
  width: 100%;
  height: 60px;
  background-color: #f2f2f2;
}

.news-tab-list {
  width: 1200px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
  line-height: 58px;
  text-align: center;
  font-size: 14px;
  color: #666;
}

.news-tab-list li {
  cursor: pointer;
}

.news-tab-list>li.active {
  color: #2F7CFF;
  font-weight: bold;
  border-bottom: 2px solid #2F7CFF;
}

.ldgh-main li {
  margin-bottom: 10px;
}

.ldgh-main li .ldgh-center {
  background-color: #fff;
  box-shadow: 0px 2px 4px 0px rgba(0, 32, 86, 0.11);
  /* height: 380px; */
}

.ldgh-center .ldgh-img {
  width: 100%;
  height: 200px;
  overflow: hidden;
}
.ldgh-center .ldgh-img img{
  height: 100%;
}
.ldgh-message {
  padding: 15px 13px;
  height: 140px;
  overflow: hidden;
}

.ldgh-message h5 {
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
  color: #222222;
  font-size: 20px;
  margin-bottom: 6px;
}

.ldgh-message p {
  min-height: 42px;
  color: #666666;
  font-size: 14px;
  overflow: hidden;
  display: -webkit-box;
  text-overflow: ellipsis;
  -webkit-line-clamp: 2;
  /*要显示的行数*/
  -webkit-box-orient: vertical;
}

.ldgh-message b {
  color: #307DFF;
  font-size: 16px;
}

.pagination {
  float: right;
}


@media (max-width: 1200px) {
  .navigation-center {
    width: 100%;
    padding: 0 15px;
  }

  .item-title h2 {
    font-size: 24px;
  }
}

@media (max-width: 768px) {
  .ld-banner {
    font-size: 40px;
    height: 300px;
    line-height: 300px;
  }

  .ldgh-center .ldgh-img {
    height: 100px;
  }

  .ldgh-message {
    height: 130px;
    padding:  15px 8px;

  }

  .ldgh-message h5 {
    font-size: 0.8em;
  }

  .ldgh-message p,
  .ldgh-message b {
    font-size: 0.8em;
    min-height: auto;
  }

  .news-tab-list {
    width: 100%;
  }
  .ldgh-message p{
    margin-bottom: 8px;
  }
  .content img{
    width: 100% !important;
    height: auto !important;
  }
}