/* 中部内容 */
.content_nav{background-color: #fff;width: 240px;float: left;position: relative;box-shadow: -2px 2px 4px #f1f1f1;}
.content_nav ul li h3 {color: #333;font-size: 16px;font-weight: bold;line-height: 44px;}
.content_nav>ul>li h3::before{content: "";display: inline-block;width: 17px;height: 17px;margin-right: 10px;}
.content_nav>ul>li h3.i_cwgz::before{background: url(../img/cwgz.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_fsbl::before{background: url(../img/fsbl.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_gdst::before{background: url(../img/gdst.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_jzbj::before{background: url(../img/jzbj.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_mcwx::before{background: url(../img/mcwx.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_qmfx::before{background: url(../img/qmfx.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_sdaz::before{background: url(../img/sdaz.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_zxsj::before{background: url(../img/zxsj.png) no-repeat;background-size: 100%;}
.content_nav>ul>li h3.i_jdqx::before{background: url(../img/jdqx.png) no-repeat;background-size: 100%;}
.content_nav>ul>li {cursor: pointer;border-bottom: 1px solid #f1f1f1;background: #fff;padding: 0 20px;}
.content_nav>ul>li p {font-size: 13px;color: #999;line-height: 24px;padding-left: 28px;}
.content_nav>ul>li p a {margin-right: 12px;color: #999;}

.content_nav ul li:last-child {border: none;}


.content_nav ul>li>dl{display: none;width: 540px;position: absolute;box-shadow: 0 0 6px #dedede;left: 238px;top: 0;z-index: 55;background: #fff;height: 492px;padding: 20px;box-sizing: border-box;}
.content_nav ul>li:hover{box-shadow: -2px 0 2px #dedede;z-index: 56;-webkit-transition: all .2s;transition: all .2s;}
.content_nav ul>li:hover>dl{display: block;}
.content_nav ul>li:hover>dl::before{content: '';width: 5px;height: 104px;display: inline-block;position: absolute;background-color: #fff;top: 0;left: -4px;}



.content_nav ul>li dl dt{font-size: 14px;font-weight: bold;}
.content_nav ul>li dl dd {display: flex; float: left;width: 205px;height: 60px;padding: 10px;border: 1px solid #f1f1f1;margin-top: 15px;position: relative;border-radius: 4px;}
.content_nav ul>li dl dd:nth-of-type(2n){float: right;}
.content_nav ul>li dl dd img{width: 48px;height: 48px;margin-top: 5px;}

.content_nav ul>li dl dd p{flex: 1;font-size: 14px;font-weight: bold; line-height: 60px;}

.content_middle{width: 740px;}

.content_middle .banner{padding: 10px;width: 100%;height: 280px;overflow: hidden; box-sizing: border-box;}
.content_middle .banner a img{width: 100%;height: 260px;}

.region {width: 100%;padding: 0 10px;height: 192px; box-sizing: border-box;}



.region .region_box{width: 49%;height: 208px; background-color: #fff;padding: 0 20px;box-sizing: border-box;font-size: 14px;line-height: 3;}
.region .region_box h3{font-size: 16px;text-align: center;}
.region .region_box ul li{float: left;width: 25%;}
.region .region_box ul li a{color: #999;}


.content_login{width: 210px;}
.content_login .weixin{padding: 10px; background-color: #fff;width: 100%;box-sizing: border-box;margin-top: 10px;}
.content_login .weixin img{width: 150px;display: block;margin: 0 auto;}

.content_login .weixin p{text-align: center;line-height: 2;color: #999;font-size: 14px;}


/* 产品中心 */

.mian_bg{width: 100%;margin-top: 35px;height: 602px;}
.mian .mian_fl{width: 240px;}
.mian .mian_fl h2{line-height: 42px;color: #333;font-size: 22px;font-weight: bold;}

.mian .mian_fl .img{height: 560px;width: 100%;}
.mian .mian_fl .img img{height: 560px;width: 100%;}


.mian_fr{width: 950px;}

.mian_fr .mian_fr_top{font-size: 18px;line-height: 42px;}
.mian_fr .mian_fr_top span{margin-right: 64px;cursor:pointer}

.mian_fr .mian_fr_top em a{color: #999;}
.mian_fr .mian_fr_top em::after{margin-right: 20px;content: '';border: 4px solid transparent;border-right-color: #333;background: 0 0;width: 0;height: 0;-webkit-transform: rotate(-180deg);-ms-transform: rotate(-180deg);transform: rotate(-180deg);margin-left: 4px;display: inline-block;vertical-align: middle;}



.mian_fr .mian_pro{width: 950px;height: 560px;background-color: #fff;}


.mian_fr .mian_pro li dl dd{width: 290px;height: 270px;margin-left: 13.3333px;margin-right: 13.3333px;margin-top: 10px;-webkit-transition: all .5s;transition: all .5s;float: left;}
.mian_fr .mian_pro li dl dd:hover {box-shadow: 0 4px 8px #ededed;-webkit-transform: translateY(-5px);-ms-transform: translateY(-5px);transform: translateY(-5px);-webkit-transition: all .5s;transition: all .5s;box-shadow: 0 4px 8px #ededed;}
.mian_fr .mian_pro li dl dd h2{padding: 0 10px;box-sizing: border-box;font-size: 16px;font-weight: 700;}
.mian_fr .mian_pro li dl dd p{padding: 0 10px;box-sizing: border-box;font-size: 14px;color: #999999;}

.mian_fr .mian_pro li dl dd img{width: 100%; height: 185px;}

.mian_fr .mian_fr_top .bg{color: #1da4e6;}

/* 检测知识 */

.knowledge{margin-top: 30px;}
.knowledge h2{line-height: 42px;color: #333;font-size: 22px;font-weight: bold;}
.knowledge_list{width: 352px;border-radius: 4px;background: #fff;padding: 20px 20px 15px 20px;overflow: hidden;float: left;margin-right: 11px;}
.knowledge_list:last-of-type{margin-right: 0;}
.knowledge_list h3{font-size: 18px; color: #38b5f1;line-height: 1;}
.knowledge_list>ul li:first-child{margin-bottom: 20px;margin-top: 30px;}


.knowledge_list>ul li:first-child p {color: #333;font-size: 16px;line-height: 32px;height: 32px;overflow: hidden;overflow: hidden;white-space: nowrap;text-overflow: ellipsis;}

.knowledge_list>ul li:first-child img{width: 352px;height: 130px;}

.knowledge_list>ul li {line-height: 28px;}
.guide .news_list li a {display: block;display: -webkit-flex;display: -webkit-box;display: -ms-flexbox;display: flex;-webkit-box-pack: justify;-webkit-justify-content: space-between;-ms-flex-pack: justify;justify-content: space-between;}
.knowledge_list>ul li a span{font-size: 14px;line-height: 2;}
.knowledge_list>ul li a span:nth-of-type(1) {float: left;width: 252px;overflow: hidden;white-space: nowrap;text-overflow: ellipsis;}
.knowledge_list>ul li a span:nth-of-type(2) {color: #b4b4b4;float: right;}

/* 合作伙伴 */
.partner_bg{background-color: #fff;width: 100%;margin-top: 30px;}

.partner p:first-child{text-align: center;padding: 54px 0 15px 0;font-size: 20px;}

.partner p:first-child span{cursor: pointer;}
.partner p:first-child em{color: #5c5c5c;margin: 0 20px;cursor: pointer;}
.partner p:nth-of-type(2){text-align: center;color: #999;font-size: 14px;line-height: 24px;}

.partner .partner_img{margin-top: 30px;}

.partner .partner_img a {border: 1px solid #fff;margin-right: 8px;float: left;margin-bottom: 8px;background: #fff;transition: all .5s;}
.partner .partner_img a:hover {box-shadow: 0 4px 8px #ededed;transform: translateY(-5px);transition: all .5s;box-shadow: 0 4px 8px #ededed;}
.partner .partner_img a img{width: 228px;height: 70px;}

/* 友情链接 */

.links_bg{margin-top: 30px;}
.links .linkstop{border-bottom: 1px solid #ccc;}
.links .linkstop span{font-size: 16px;margin-right: 9px;line-height: 33px;cursor: pointer;padding: 0 5px;padding-bottom: 5px;}
.links .linkstop span.on{border-bottom: 2px solid #1da4e6;}

.links .linkslist{font-size: 12px;line-height: 2;margin-top: 20px;}

.links .linkslist a{display: inline-block;padding: 0 5px;color: #999;}