*{ margin:0; padding:0; text-decoration:none; font-family:Gotham, "Helvetica Neue", Helvetica, Arial, sans-serif;list-style:none;}
body{ min-width:1170px;}
.header{ width:1170px; height:80px; margin:0 auto;}
.logo{ float:left;}
.logo img{height:75px;}
.leader{ float:right; margin:auto 0;}
.leader ul li{ float:left;}
.leader ul li a{font-size:16px; line-height:80px;display:block; padding:0 30px; color:#3E3E3E;font-weight:600;}
.leader ul li.active a{ color:#23467e;} 
.leader ul li.tab-item a{background-color:#23467e; color:white;}
/*banner*/
.little-banner{ width:100%;height:200px; margin:0 auto;background:url(../images/little-banner.png) no-repeat center center;}
/*标题*/
.title{ width:500px; text-align:center; margin:40px auto 30px;}
h2{ font-size:30px; letter-spacing:4px;}
.title p{ font-size:18px;}
.title span{ width:20px; height:1px; background:red; display:block; margin:8px auto;}
/*内容区*/
.content{ width:1170px; margin:30px auto 52px;}
.left_box{ width:1170px; font-size:12px;}
.box1{ display:block; color:#1F1F1F;white-space:normal; overflow:hidden; padding:20px 0px 50px;}
.date{ float:left; width:100px; height:110px; background:rgba(215,215,215,1.00); padding:0px 0 0 10px;}
.date h1{ font-size:46px;color:#23467e;}
.written{ float:left; width:750px;margin-left:20px;overflow: hidden; line-height:22px; height:110px;}
.written h2{ font-size:20px; letter-spacing:normal; line-height:40px;}
.left_box .picture{ width:170px; height:110px; background:#8C8C8C; display:inline-block; float:right;}
.left_box .picture img{ height:120px;}
/*底部区*/
/*底部*/
.footer{ width:100%; height:300px; background:#23467e; margin-top:40px; padding-top:20px;}
.footer ul{ list-style:none; width:1170px; height:100px; margin:0 auto; display:block;}
.footer ul li{ float:left; margin-right:30px; width:170px; height:64px; overflow:hidden; display:inline-block;}
.footer ul .first img{ margin-top:-20px;}
.footer ul .last{ margin-right:0;}
.footer p{ display:block; color:white; font:20px "微软雅黑"; text-align:center; line-height:60px; border-bottom:1px solid #172a49; width:1170px;margin:0 auto; margin-bottom:20px;}
.address{ color:white; font:12px; text-align:center; line-height:20px;}