@charset "utf-8";
.news_list{
  width:auto;
  height:auto;
  overflow:hidden;
  display:grid;
  grid-template-columns:calc(25% - 60px/4 ) calc(25% - 60px/4 ) calc(25% - 60px/4 ) calc(25% - 60px/4 );
  row-gap:20px;
  column-gap:20px;
  margin:auto;
  margin-top:30px;
  margin-bottom: 30px;
  max-width: 86%;
}
@media (max-width:767px){
  .news_list{
    grid-template-columns:auto;
  }
}
.news_tb{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
}
a.news_pic{
  display:block;
  overflow:hidden;
  width:auto;
  height:auto;
  background-size: cover;
  background-repeat: no-repeat;
  padding-bottom: 60%;
  background-color: #f5f5f5;
}
a.news_name{
  display:block;
  overflow:hidden;
  width:auto;
  height:auto;
  font-size: 1.4rem;
  white-space: nowrap;
  margin-top: 20px;
}
.news_miaoshu{
  display:-webkit-box;
  -webkit-line-clamp:3;
  -webkit-box-orient: vertical;
  overflow:hidden;
  width:auto;
  height:auto;
  line-height: 1.5;
  color:#999;
}
/*
关于我们
*/
.about{
  max-width:1200px;
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  margin:auto;
  padding-top:40px;
  padding-bottom:40px;
}
.about_title{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  margin:auto;
  font-size:2rem;
  text-align:center;
  line-height:1.5;
}

.about_miaoshu{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  margin:auto;
  font-size:1rem;
  line-height:200%;
  text-align:center;
  font-family:Arial, Helvetica, sans-serif;
}

.about_tb{
  width:auto;
  height:auto;
  overflow:hidden;
  display:grid;
  grid-template-columns:55% auto;
  column-gap:40px;
  margin:auto;
  margin-top:40px;
}
@media (max-width:767px){.about_tb{grid-template-columns:auto;column-gap:unset;row-gap:40px;}}
.about_pic{
  width:100%;
  height:auto;
  overflow:hidden;
  display:block;
  vertical-align:top;
}
.about_content{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
}
@media (max-width:767px){.about_miaoshu{padding:10px;}}
/*快捷导航*/
#quandi_daohang_back{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  margin:auto;
  background-color:#eee;
}
.cate_list{
	margin:auto;
  width:auto;
  height:auto;
  overflow:hidden;
  display:flex;
  display:-webkit-flex;
  flex-wrap:wrap;
  max-width:1200px;
}

a.daohang_name{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  font-size:1rem;
  text-align:center;
  padding:10px;
  white-space:nowrap;
  padding-left:20px;
  padding-right:20px;
}
a.daohang_name:hover{
	background-color:#e5e5e5;
	border-radius:5px;
}
#tb{
  max-width:1200px;
  width:auto;
  height:auto;
  overflow:hidden;
  margin:auto;
  display:grid;
  grid-template-columns:55% auto;
  column-gap:40px;
  row-gap:20px;
  margin-top:40px;
  margin-bottom:40px;
}
@media (max-width:767px){#tb{grid-template-columns:auto;padding:10px;}}
#quandi_case{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
}
@media (max-width:767px){#quandi_case{width:auto;display:block;}}
.case_back{
  width:auto;
  height:252px;
  background-position:top center;
  background-repeat:no-repeat;
  background-size:cover;
  overflow:hidden;
  margin:auto;
  display:flex;
  display:-webkit-flex;
  flex-direction:column;
  justify-content:center;
  align-items:center;
  background-color:#f5f5f5;
}
.thead{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  text-align:center;
}
.case_title{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  font-size:2rem;
}
.case_miaoshu{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  font-size:1rem;
  color:#999;
}
.case_list{
  width:auto;
  height:auto;
  overflow:hidden;
  margin:auto;
  display:flex;
  display:-webkit-flex;
  justify-content:center;
  align-items:flex-start;
  flex-direction:row;
  flex-wrap:wrap;
  display:grid;
  grid-template-columns:calc(25% - (30px/4)) calc(25% - (30px/4)) calc(25% - (30px/4)) calc(25% - (30px/4));
  column-gap:10px;
  row-gap:10px;
  margin-top:10px;
}
.case_tb{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
 
}
.case_pic{
  width:auto;
  height:auto;
  overflow:hidden;
  display:block;
  background-position:center;
  background-repeat:no-repeat;
  background-size:cover;
  position:relative;
  padding-bottom:75%;
}
.case_name{
  width:auto;
  height:auto;
  overflow:hidden;
  margin:auto;
  display:block;
  font-size:2rem;
  line-height:120%;
  color:#003b77;
  margin-top:80px;
}
.case_miaoshu{
  width:auto;
  height:auto;
  overflow:hidden;
  margin:auto;
  display:block;
  font-size:1rem;
  line-height:120%;
  color:#999;
  margin-top:20px;
}