@charset "utf-8";
/* CSS Document */
body{margin:0;padding:0;font-size:14px;line-height:22px;font-family:Microsoft YaHei,黑体,Verdana,Arial,sans-serif;-webkit-text-size-adjust:none;color:#333;background:#f5f5f5;}
html,body,div,dl,dt,dd,ul,ol,li,h1,h2,h3,h4,h5,h6,pre,form,fieldset,input,textarea,p,blockquote,th,td,p{margin:0;padding:0;}
img{border:0;vertical-align:bottom;}
ul,li{list-style-type:none;}
a{color:#333;text-decoration:none;transition:all 0.3s;}
input:focus,select:focus,option:focus,textarea:focus{ outline:none;}
textarea,input[type=date],input[type=number]{ resize:none; border: none;}
button:hover,input[class*=b]:hover{ cursor:pointer;}
i,u{font-style: normal;font-weight: normal;}
.tl{text-align:left;}.tc{text-align:center;}.tr{text-align:right;}
.fl{float:left;}.fr{float:right;}.cl{clear:both;}.fb{font-weight:bold;}
.f12{font-size:12px;}
.f16{font-size:16px;}
.f18{font-size:18px;}
.f20{font-size:20px;}
.f24{font-size:24px;}
.rel{position:relative;}
.min_w{min-width:1200px;}
.container{width:1200px;margin:0 auto;}
.mar30{margin-bottom:30px;}
.white_bg{background:#fff;padding-bottom:20px;}
.grey9{color:#999;}
/*header*/
.top_bg{height:130px;background:#fff;}
.nav_list{width:720px;}
.nav_list li{width:90px;height:130px;line-height:130px;float:left;}
.nav_list li a{display:block;}
.nav_list li a:hover{background:#315cc4;color:#fff;}

/* banner */
.banner{ width:100%; height:542px; overflow:hidden; position:relative;}
.b-img{ height:542px;  position:absolute; left:0; top:0;}
.b-img a{ display:block; height:542px; float:left;}
.b-list{ height:50px; padding-top:560px; position:relative; margin:0 auto;z-index:1;}
.b-list span{ display:block;cursor:pointer; width:14px; height:14px; border-radius:7px; float:left; margin:0 5px; _margin:0 3px;background:#fff;}
.b-list .spcss{width:30px;background:#315cc4;}
.bar-left{ position:absolute; z-index:1; display:block; width:100px; height:100%; left:0px; background:none; top:0px; }
.bar-right{ position:absolute;z-index:1; display:block; width:100px; height:100%; right:0px; background:none; top:0px; }
.bar-left em{ display:block; width:50px; height:100px; background:url(../images/arrow.png) 0px 0px no-repeat; margin:0 auto; margin-top:225px;}
.bar-right em{ display:block; width:50px; height:100px; background:url(../images/arrow.png) -50px 0px no-repeat; margin:0 auto; margin-top:225px;}
.bar-left .emcss{ background-position:0px -100px;}
.bar-right .emcss{ background-position:-50px -100px;}

/*index*/
.index_type{height:240px;}
.index_type li{width:320px;float:left;padding:20px 40px;position:relative;top:-50px;}
.index_type li a{display:block;color:#fff;height:200px;text-transform:uppercase;}
.index_type_tit{height:60px;line-height:60px;border-bottom:#448aca solid 1px;}
.index_type_text{line-height:40px;height:120px;padding-top:10px;}
.index_type_bg01{background:url(../images/a01.png) no-repeat right bottom #3460cb;}
.index_type_bg02{background:url(../images/a02.png) no-repeat right bottom #335ec7;}
.index_type_bg03{background:url(../images/a03.png) no-repeat right bottom #315cc4;}

.index_tit{padding:20px 0;border-bottom:#ddd solid 1px;margin-bottom:10px;}
.index_tit dt{line-height:50px;font-size:28px;}
.index_tit dd{line-height:30px;color:#999;font-size:16px;text-transform:uppercase;}
.index_tit_blue{position:absolute;left:50%;bottom:-3px;margin-left:-13px;line-height:0;}
.pro_type{margin:50px 0;}
.pro_type a{display:inline-block;height:40px;line-height:40px;padding:0 30px;margin:0 10px;background:#fff;}
.pro_type a:hover{background:#315cc4;color:#fff;}

.pro_list{margin-left:-18px;}
.pro_list li{width:388px;float:left;margin-left:18px;line-height:60px;margin-bottom:30px;background:#fff;}
.index_more{display:block;margin:50px auto;width:100px;padding-right:44px;height:40px;line-height:40px;background:#fff url(../images/more.jpg) no-repeat right center;box-shadow:0 0 20px #ddd;}
.index_more:hover{box-shadow:0 0 20px #bbb;}

.about_bg{background:url(../images/about_bg.jpg) no-repeat center top;padding-top:120px;}
.about_box{height:380px;background:#315cc4 url(../images/a04.png) no-repeat right bottom;;padding:20px 40px;}
.about_pic{width:550px;}
.about_pic img{position:relative;top:-40px;}
.about_con{width:540px;color:#fff;}
.about_tit{height:30px;line-height:30px;padding:15px 0;border-bottom:#448aca solid 1px;text-transform:uppercase;}
.about_text{line-height:40px;padding:20px 0;}

.case_big{width:600px;height:490px;}
.case_big:hover .case_name{height:100%;padding-top:220px;background:rgba(0,0,0,.5) url(../images/eye.png) no-repeat center 260px;}

.case_list{width:600px;}
.case_list li{width:290px;height:240px;float:left;margin-left:10px;margin-bottom:10px;position:relative;transition:all .8s linear;}
.case_name{position:absolute;left:0;top:0;width:100%;height:0;background:rgba(0,0,0,.5) url(../images/eye.png) no-repeat center 280px;color:#fff;line-height:40px;transition:all .5s linear;box-sizing:border-box;overflow:hidden;}
.case_list li:hover .case_name{height:100%;padding-top:90px;background:rgba(0,0,0,.5) url(../images/eye.png) no-repeat center 140px;}

.news_list{padding:50px 0;margin-left:-20px;}
.news_list li{width:590px;float:left;margin-left:20px;margin-bottom:20px;}
.news_list li a{display:block;border:#ddd solid 1px;padding:15px;transition:all .5s linear;}
.news_list li a:hover{color:#fff;background:#315cc4;}
.news_list_pic{width:180px;height:120px;}
.news_list_con{/*width:360px;*/}
.news_list_con h3{line-height:40px;}
.news_list_text{line-height:30px;height:60px;overflow:hidden;}

/*footer*/
.bot_bg{background:url(../images/bot_bg.jpg);padding:20px 0;color:#b1b1b1;}
.bot_tel{background:url(../images/tel.png) no-repeat left center;padding-left:40px;line-height:90px;font-size:20px;}
.copyright{padding:30px 0 0;line-height:30px;border-top:#626262 solid 1px;margin-top:20px;}
 
/*main*/
.main_con{min-height:500px;line-height:30px;}
.main_page{margin:30px 0 50px;}
.main_page a{display:inline-block;margin:0 5px;border:#ddd solid 1px;padding:0 15px;height:30px;line-height:30px;}
.main_page a:hover{background:#315cc4;color:#fff;border:#315cc4 solid 1px;}

.main_news li{padding:15px;background:#fff;margin-bottom:30px;}
.main_news_pic{width:180px;height:120px;}
.main_news_con{width:960px;}
.main_news_con h3{line-height:40px;}
.main_news_text{line-height:25px;height:50px;overflow:hidden;color:#666;}