a{text-decoration:none;color: #595959;}
a:hover{color:#0070bc;}

/*nav部分*/
.nav{width:100%;}

.nav_all{height:112px;margin:0 auto;width: 1200px;line-height: 112px;}
.nav_img{float:left;}
.nav_img img{width: 100px;height: 100px;}
.logoname{font-size: 36px;margin-left: 25px;color: #b9c1cf;font-weight: bold;}
.nav_ul{float:right;overflow:hidden;padding:0 25px;}
.nav_ul a{color:#a6a7aa;text-decoration:none;}
.nav_ul li{float:left;margin:0 16px;font-size:18px;}
.nav_ul_border{border-bottom:2px solid #0070bc;padding-bottom:5px;}

.baner{width: 100%;background-color: #333;height: 560px; float: left; background:url("../images/ba.jpg") 50% 50%  no-repeat; background-size: cover;}
.ba{width: 1550px;margin: 0 auto;}
.sj_bf{position: relative;padding-top: 20px;width:430px;float: right;}
.jietu{position: absolute;left: 74px;top: 80px;}
.xz_js{width: 550px;float: right;padding-top:90px;color: #577cab; }
.xz_js h1{font-weight: 500;font-size: 45px;line-height: 55px;color: #ffffff;-webkit-margin-before: 0;-webkit-margin-after: 0.83em;-webkit-margin-start: 0px;-webkit-margin-end: 0px;}
.wz_js{font-weight: 200;font-size: 18px;line-height: 25.2px;margin: 30px 0;text-align: justify;color: #ffffff;line-height: 36px;font-weight: 600;}


/*nav中内页*/
.nav_detail{width:100%;border-bottom: 1px solid #ececec;box-shadow: 0px 0px 1px 1px #ececec;}

/*main部分*/
.about_us{background-color: #f6f6f6;height: 1182px;}
.about_us_connent{width: 1200px;margin: 0 auto;height: 1250px;}
.about_us_left{width: 700px;padding: 30px 40px;display: inline-block;}
.about_us_left h3{color: #b9c1cf;padding-top:10px;font-weight: bold;}
.about_us_left h2{font-size: 36px;font-weight: bold;color: #b9c1cf;}
.about_us_left p{font-size: 16px;line-height: 32px;color: #626262;margin-top: 10px;}
.about_us_detail{font-size: 14px;font-weight: bold;margin-top: 30px;width:160px;text-align: center;}
.about_us_detail a{background-color: #fff;text-align: center;width:140px;padding: 25px 10px ;color: #000;display:inline-block;border: 1px solid #000;}
.about_us_detail a:hover{background-color: #0070bc;color: #fff;border:0px;width:140px;padding: 16px 10px;}
.about_us_right{width: 340px;float: right;margin:10px auto;padding-top:40px;}
.about_us_right img{width: 300px;border-radius: 50%;}

.footer_top {height:300px;background-color: #f6f6f6;}

/*页脚部分*/
.footer{width:100%;height:150px;background:#2c2c2c;font-size:14px;clear:both;float: left;}
.footer_all{width: 1200px;margin:0 auto;color:#fff;}
.footer_cf{width: 120px;float: left;display: inline-block;font-size: 14px;}
.footer_cf img{width: 100px;margin-top: 30px;}
.footer_tf{width: 1000px;text-align: right;float: right;color: #fff;    margin-top: 20px;}
.footer_i{padding-left: 15px;font-size: 30px;}
.footer_tf a{color: #fff;}
.footer_all h4{font-size: 16px;}
.footer_all p{margin-top:15px;}



.about_pic{width: 900px;height: 300px;margin:0 auto;}
.about_pic img{width: 900px;height: 300px;}
.about_content{margin:30px 0;font-size: 16px;line-height: 28px;color: #595959;}
.app_about_us{position: relative;font-size: 16px;color:#626262; border-radius: 15px;margin-bottom: 100px;padding: 140px 20px 20px 0;margin-left: 40px;}
.app_about_us .app_title{position: absolute;top:-30px;color: #b9c1cf;font-weight:600;font-size: 35px;background-color:#f6f6f6;left:0;padding: 100px 0 0 0;}
.app_about_us p {text-indent:2em;padding-bottom:5px}