body,html{
  background-color: #fff;
}
.view_btn{
  margin-top: 25px;
  display: inline-block;
	width: 110px;
	height: 30px;
	background-color: #3873b9;
	border-radius: 3px;
	border: solid 1px #3873b9;
	font-size: 14px;
	line-height: 30px;
	color: #ffffff;
  text-align: center;
}
.view_btn:hover{
	background-color: #3873b9;
	border: solid 1px #3873b9;
	color: #ffffff;
}
.index_news_main .view_btn{
  margin-top: 10px;
}
.banner {
	height:600px;
	background:#daebff;
  overflow: hidden;
  position: relative;
}
.navHave {
	width: 280px;
	height: 540px;
	background-color: rgba(0, 71, 157,0.4);
  top: 20px;
  padding: 0 15px;
  position: absolute;
  z-index: 9;
}
.nav_test {
	height: 50px;
	font-size: 16px;
	color: #ffffff;
  line-height: 50px;
  text-align: center;
  border-bottom: 1px solid rgba(255,255,255,0.5);
}
.navHave_ul{
  padding: 10px 0;
  margin-left: -10px;
  margin-right: -10px;
}
.navHave_ul li {
  font-size:16px;
  color: #fff;
  list-style: none;
  padding-left: 10px;
  padding-top: 11px;
  padding-bottom: 11px;
  overflow: hidden;
}
.navHave_ul li:hover {
  background-color: rgba(255,255,255,0.1);
}
.navHave_ul li a{
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
  width: 100%;
  line-height: 1;
}
.navHave_icon{
  display: inline-block;
  width: 15px;
  height: 15px;
  margin-right: 20px;
}
.navHave_icon img{
  display: inline-block;
  max-width: 15px;
  max-height: 15px;
}
.banner_img, .banner_item{
  height: 600px;
}
.banner_item img{
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.banner_icon {
	/* position:absolute; */
	height:17px;
	/* text-align:center; */
	bottom:30px;
	/* width:100%; */
}
.banner_icon li {
	width: 17px;
	height: 17px;
  border-radius: 10px;
	background-color: #2c68b1;
	border: solid 1px #ffffff;
  display: inline-block;
  opacity: 1;
}
.banner_icon .active {
	width: 35px;
}
/* 标题 */
.index_title {
	margin-bottom:30px;
}
.title_icon{
  margin-right: 5px;
  display: inline-block;
  position: relative;
  top: -7px;
}
.index_tit_name {
	font-size: 30px;
	/* font-weight: bold; */
	color: #000000;
  display: inline-block;
}

/* 公司简介 */
.index_introduce{
  padding-top: 100px;
  padding-bottom: 100px;
  display: flex;
  justify-content: space-between;
}
.index_introduce_left{
  width: 650px;
}
.index_introduce_left p {
	text-indent:2em;
  font-size: 14px;
	line-height: 28px;
	color: #000000;
}
.index_introduce_apply,
.index_introduce_more{
  min-width: 160px;
	border-radius: 25px;
	font-size: 14px;
  text-align: center;
  margin-top: 60px;
  margin-right: 20px;
  padding: 10px 20px;
  display: inline-block;
}
.index_introduce_more{
	border: 1px solid currentColor;
  color: #333;
}
.index_introduce_apply {
  background-color: #3873b9;
  color: #ffffff;
}
.index_introduce_more:hover{
  color: #3873b9;
}
.index_introduce_apply:hover,
.index_introduce_apply:focus {
  color: #ffffff;
}
.index_introduce_Rt {
	width:480px;
	height:360px;
	position:relative;
}
.company_videos {
	width:100%;
}

/* 服务项目 */
.index_serve{
	background-color: #f8f8f8;
  padding-top: 60px;
  padding-bottom: 60px;
}
.index_serve_list{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.index_serve_item{
  display: inline-block;
  width: 280px;
	height: 190px;
	background-color: #ffffff;
  padding: 20px 25px;
  margin-bottom: 20px;
  list-style: none;
}
.index_serve_item:hover{
  box-shadow: 0 0 8px 2px rgba(0,0,0,0.1);
}
.index_serve_title{
  font-size: 16px;
	color: #000000;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
}
.serve_icon{
  width: 40px;
  max-width: 40px;
	max-height: 40px;
  margin-right: 22px;
}
.index_serve_text{
  font-size: 12px;
	line-height: 20px;
  height: 60px;
	color: #666666;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 10px;
  word-break: break-all;
}
.index_serve_link{
  font-size: 14px;
	font-weight: normal;
	font-stretch: normal;
	letter-spacing: 0px;
	color: #3873b9;
}

/* 报价申请 */
.offer_apply{
	height: 650px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
  padding-top: 80px;
  padding-bottom: 130px;
}
.offer_apply_box{
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 30px;
}
.offer_apply_L{
  text-align: center;
  padding-left: 80px;
  padding-right: 80px;
  color: #fff;
  font-size: 21px;
  flex-shrink: 0;
  position: relative;
  top: -20px;
}
.offer_apply_L h5{
  font-size: 37px;
  margin-bottom: 8px;
}
.offer_apply_R{
  width: 663px;
  display: inline-block;
}
.offer_apply_R .apply-input,
.offer_apply_R .apply-textarea{
	width: 100%;
	height: 48px;
	background-color: #ffffff;
	border-radius: 3px;
	border: solid 1px #4888d4;
  font-size: 14px;
	/* color: #ffffff; */
  padding: 10px 5px; 
}
.offer_apply_R .apply-textarea{
  height: 96px;
}
.offer_apply_R .form-box .help-block{
  /* color: #fff; */
  left: 5px;
  text-align: left;
}
.offer_apply_R ::-webkit-input-placeholder {
  color: #666666;
}
.apply-btn{
  width: 137px;
	height: 48px;
	border-radius: 3px;
	border: solid 2px #ffffff;
  background-color: #3873b9;
	font-size: 14px;
	font-weight: bold;
	color: #ffffff;
}
.apply-btn:hover{
  background-color: #2c68b1;
}
/* 检测案例 */
.index_box{
  padding-top: 95px;
}
.tab-title{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.tab-item{
  display: flex;
  justify-content: flex-end;
  margin-bottom: 30px;
}
.tab-item-link{
  display: inline-block;
  font-size: 16px;
	color: #666666;
  margin-left: 40px;
  cursor: pointer;
}
.tab-item-link.active{
	color: #3873b9;
  font-weight: bold;
}

.tab-item-more{
  display: inline-block;
  font-size: 16px;
	color: #3873b9;
  margin-left: 40px;
}
.index_case_ul{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  margin-right: -12px;
}
.index_case_ul::after{
  content: "";
  height: 0;
  width: 228px;
  flex-grow: 1;
}
.index_case_ul li {
	width: 228px;
	height: 240px;
	background-color: #f8f8f8;
  margin-right: 12px;
  padding: 25px 14px;
  text-align: center;
  position: relative;
  overflow: hidden;
  margin-bottom: 14px;
  box-sizing: border-box;
}
.index_case_ul li:hover{
  box-shadow: 0 0 8px 2px rgba(0,0,0,0.1);
}

.index_case_ul img{
	width: 100%;
	height: 124px;
  display: inline-block;
  background-color: #a9a9a9;
}
.case_name {
	font-size: 14px;
	font-weight: bold;
	color: #3873b9;
  margin-top: 20px;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
}
.case-btn-box{
  background-color: #f8f8f8;
  height: 35px;
  width: 100%;
  text-align: center;
  position: absolute;
  left: 0;
  bottom: -35px;
  padding-top: 2px;
  transition: bottom linear 0.15s;
}
.index_case_ul li:hover .case-btn-box{
  bottom: 0;
}
.index_case_a, .index_case_a:hover{
  display: inline-block;
	width: 53px;
	height: 23px;
	background-color: #3873b9;
	border-radius: 3px;
	border: solid 1px #3873b9;
	font-size: 12px;
	line-height: 23px;
	color: #ffffff;
  text-align: center; 
}
/* 检测标准 */
.index_standard{
  padding-top: 95px;
  padding-bottom: 95px;
}
.index_standard_ul{
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}
.index_standard_ul::after{
  content: "";
  height: 0;
  width: 33.33%;
  flex-grow: 1;
}
.standard-item{
  width: 33.33%;
  flex-grow: 1;
	height: 250px;
  overflow: hidden;
  box-sizing: border-box;
  position: relative;
}
.index_standard_img{
  display: inline-block;
  width: 100%;
  height: 250px;
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1;
}
.item-text{
  width: 100%;
  height: 250px;
  padding: 50px 20px 20px;
  text-align: center;
  position: relative;
  z-index: 2;
}
.standard-item:nth-child(1) .item-text{
  border-left: solid 1px #ccc;
  border-top: solid 1px #ccc;
}
.standard-item:nth-child(3) .item-text{
  border-right: solid 1px #ccc;
  border-top: solid 1px #ccc;
}
.standard-item:nth-child(5) .item-text{
  border-top: none;
  border-bottom: solid 1px #ccc;
}
/* .standard-item:nth-child(2n) .item-text{
  background-color: rgb(56, 115, 185, 0.5);
}
.standard-item:nth-child(2n) .standard_name,
.standard-item:nth-child(2n) .index_standard_p{
  color: #fff;
} */
.standard_name{
  font-size: 16px;
	font-weight: bold;
	color: #3873b9;
  margin-bottom: 20px;
}
.index_standard_p{
 	font-size: 14px;
	line-height: 24px;
	color: #666666; 
}
/* 新闻动态 */
.index_news {
  padding-top: 95px;
  padding-bottom: 20px;
}
.index_news_main{
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.index_news_L{
  width: 528px;
  flex-shrink: 0;
  margin-right: 10px;
}
.index_news_main img{
  display: inline-block;
 	width: 100%;
	height: 330px;
	background-color: #eee; 
  margin-bottom: 20px;
  border: 1px solid #eee;
}
.index_news_title{
	font-size: 16px;
	font-weight: bold;
	color: #3873b9;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  width: 100%;
  margin-bottom: 10px;
}
.index_news_title:hover{
	color: #3873b9;
}
.index_news_text{
	font-size: 14px;
	line-height: 28px;
	color: #666666;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  text-overflow: ellipsis;
  height: 84px;
}
.index_news_R{
  width: 45%;
  flex-grow: 1;
  padding-left: 30px;
}
.index_news_R li{
  display: flex;
  justify-content: space-between;
  height: 42px;
  list-style: disc;
  font-size: 16px;
  line-height: 1;
}
.index_news_R li:hover{
  font-weight: bold;
}
.mediaList_text{
  width: 100%;
  display: flex;
  justify-content: space-between;
}
.news_link{
  display: inline-block;
	color: #000000;
  width: 80%;
  white-space:nowrap;
  overflow:hidden;
  text-overflow:ellipsis;
}

.news_time{
	color: #666666;
  width: 94px;
  text-align: right;
  flex-shrink: 0;
}
/* 合作单位 */
.index_partners {
	/* background-color: #f8f8f8; */
  padding-top: 60px;
  padding-bottom: 80px;
}
.index_partners_list{
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.index_partLi {
	width:270px;
	height:142px;
	overflow:hidden;
  background-color: #021428;
  display: flex;
  flex-direction: column;
  justify-content: center;
  position: relative;
}
.index_partImg{
  width: 100%;
  height: 100%;
  position:absolute;
  top: 0;
  left: 0;
}
.index_partxt {
	width:100%;
	text-align:center;
	font-size: 16px;
	font-weight: bold;
	line-height: 24px;
	color: #ffffff;
  position: relative;
}

/*服务优势  */
.serve_advantage{
  padding-top: 80px;
  padding-bottom: 130px;
  background-repeat: no-repeat;
  background-position: center;
  background-size: cover;
}
.advantage_box{
  display: flex;
  justify-content: space-around;
}
.advantage_item{
  text-align: center;
  padding-top: 10px;
}
.advantage_item_pic{
  width: 88px;
	height: 88px;
  border-radius: 50%;
  margin-bottom: 30px;
}
.advantage_item_text{
  font-size: 16px;
	font-weight: bold;
	color: #ffffff;
}
.mediaList:first-child{
  display: none;
}
/* 在线工具 */
.index_tools_list {
  display: flex;
  flex-wrap: wrap;
  margin-right: -15px;
}
.index_tools_list .item-tools{
  width: 185px;
  padding: 10px 5px;
	border: solid 1px #cccccc;
  color: #2a62a4;
  font-size: 14px;
  margin-right: 15px;
  margin-bottom: 15px;
  text-align: center;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.index_tools_list .item-tools:hover{
  text-decoration: underline;
}
/* 自适应 移动端 */
@media (max-width: 767px) {
  .banner, .banner_img, .banner_item{
    height: 160px;
  }
  /* 标题 */
  .index_title{
    padding-left: 12px;
    margin-bottom: 12px;
  }
  .index_title.text-center{
    text-align: left !important;
  }
  .index_tit_name{
    font-size: 20px;
  }
  .title_icon{
    height: 20px;
    width: auto;
    top: -3px;
  }
  .tab-item{
    margin-bottom: 12px;
  }
  .tab-item-more{
     white-space:nowrap;
     font-size: 12px;
     padding-right: 12px;
  }
  /* 服务项目 */
  .index_serve{
    padding-top: 30px;
    padding-bottom: 30px;    
  }
  .index_serve_text{
    display: none;
  }
  .index_serve_link{
    display: none;
  }
  .index_serve_list{
    padding: 0 12px;
  }
  .index_serve_list li{
    width: 25%;
    height: 90px;
  }
  .index_serve_item{
    width: 100%;
    height: 100%;
    margin-bottom: 0;
    padding: 12px 0;
    border: 1px solid #e9e9e9;
    box-sizing: border-box;
  }
  .index_serve_title{
    display: block;
    height: 100% !important;
    text-align: center;
    position: relative;
  }
  .serve_icon{
    width: 30px;
    max-width: 30px;
    max-height: 30px;
    margin-right: 0;
    margin-bottom: 6px;
  }
  .index_serve_title span{
    font-size: 12px;
    display: block;
    position: absolute;
    height: 19px;
    width: 100%;
    bottom: 0;
    white-space:nowrap;
    overflow:hidden;
    text-overflow:ellipsis;
    padding: 0 3px;
  }
  .index_case {
    padding-top: 0;
  }
  body,html{
    background-color: #f8f8f8;
  }
  /* 测试案例 */
  .index_case_ul {
    padding: 0 12px;
    margin-right: 0;
  }
  .index_case_ul li{
    width: 49%;
    height: 200px;
    margin-right: 0;
    background-color: #fff;
    border-radius: 6px;
    overflow: hidden;
    padding: 0;
    text-align: left;
  }
  .index_case_ul li:nth-child(5){
    display: none;
  }
  .index_case_ul img{
    height: auto;
    max-height: 120px;
  }
  .case_name{
    padding: 0 12px;
    margin-top: 12px;
  }
  .case-btn-box{
    bottom: 0;
    background-color: transparent;
  }
  /* 服务优势 */
  .serve_advantage{
    padding: 40px 12px;
  }
  .advantage_item{
    width: 30%;
  }
  .advantage_item_pic{
    width: 60px;
    height: 60px;
    margin-bottom: 12px;    
  }
  .advantage_item_text{
    font-size: 14px;
  }
  /* 新闻 */
  .index_news{
    padding-top: 20px;
    padding-bottom: 20px !important;
  }
  .index_news_main{
    flex-wrap: wrap;
  }
  .index_news_L{
    display: none;
    width: 100%;
    padding: 0 12px 12px;
  }
  .index_news_main img{
    height: auto;
  }
  .index_news_R{
    background-color: #fff;
    width: 100%;
    padding: 20px 12px;
    display: block;
  }
  .index_news_R .mediaList{
    display: flex;
    justify-content: space-between;
    padding-top: 20px;
    height: initial;
  }
  .mediaList:first-child{
    padding-top: 0;
  }
  .mediaList:last-child .mediaList_text{
    border-bottom: none;
    padding-bottom: 0;
  }
  .mediaList_text{
    display: block;
    width: 50%;
    flex-grow: 1;
    padding-bottom: 10px;
    border-bottom: 1px solid  #dddddd;
    position: relative;
    padding-bottom: 20px;
  }
  .mediaList_text .news_link{
    white-space: initial;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 12px;
    width: 100%;
    line-height: 1.5;
    font-size: 16px;
  }
  .mediaList_text .news_link > i{
    display: none;
  }
  .mediaList_text .news_time{
    font-size: 12px;
    color: #999999;
    line-height: 1;
    margin-bottom: 10px;
    text-align: left;
  }
  .index_tools_list{
    padding: 0 15px;
    margin-right: 0;
    justify-content: space-between;
  }
  .index_tools_list .item-tools {
    width: 48%;
    margin-right: 0;
  }
}