@charset "utf-8";
/* CSS Document */
/* banner */
.bann_box{ width: 100%; height: 454px; background: #eee; overflow: hidden; position: relative; }
.b-img{ height: 454px; position: absolute; top: 0; left: 0; }
.b-img a{ display: block; height: 454px; float: left;}
.b-list{ height:50px; padding-top:420px; position:relative; margin:0 auto;z-index:1;}
.b-list span{ display:block;cursor:pointer; width:10px; height:10px; border-radius:50%; float:left; margin:0 5px; _margin:0 3px; background: #fff;}
.b-list .spcss{ background: #000000;}
.bar-left{ position:absolute; z-index:1; display:block; width:100px; height:100%; left:5%; background:none; top:0px; }
.bar-right{ position:absolute;z-index:1; display:block; width:100px; height:100%; right:5%; 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:190px;}
.bar-right em{ display:block; width:50px; height:100px; background:url(../images/arrow.png) -50px 0px no-repeat; margin:0 auto; margin-top:190px;}
.bar-left .emcss{ background-position:0px -100px;}
.bar-right .emcss{ background-position:-50px -100px;}

/* about */
.about_box{ width:100%; height:632px; background:#f4f4f4; border-bottom:solid 1px #efefef;}
.about_tit{ width:1100px; height:170px; margin:0 auto; text-align:center;}
.about_tit img{ width:326px; height:75px; padding-top:53px;}
.blank{ width:170px; height:170px; background:#FFF; float:right;}

.about_con{ width:1200px; margin:0 auto;}
.about_left{ width:585px; height:394px; float:left; margin-left:50px; line-height:26px;}
.about_left p{ margin:20px 0 40px 0;}
.about_right{ float:right;}

/* case */
.case_title{ width:1200px; margin:0 auto; text-align:center; height:178px;}
.case_title img{ width:173px; height:75px; padding-top:61px;}
.case{ width:1200px; margin:0 auto;}
.case ul{}
.case ul li{ display:block; width:400px; height:270px; float:left; position:relative;}
.case ul li .case_box1{ position:absolute; top:0; left:0; z-index:999; display:block; width:400px; height:270px; background-color:rgba(15,70,137,0.85); text-align:center; line-height:270px; font-size:20px; font-weight:bold; color:#FFF;}
.case ul li .case_box{ position:absolute; top:0; left:0; z-index:99; display:none; width:400px; height:270px; background-color:rgba(15,70,137,0.85); text-align:center; line-height:270px; font-size:20px; font-weight:bold; color:#FFF;}
.case ul li .case_box img{ margin-right:5px;}
.case ul li:hover .case_box{ display:block;}

/* pro */
.pro_box{ width:100%; min-height:428px; background:#f4f4f4; padding-bottom:30px;}
.pro_box .pro_title{ width:1200px; margin:0 auto; text-align:center; height:178px;}
.pro_box .pro_title img{ width:249px; height:75px; padding-top:61px;}