.nav_left{width: 195px;margin: 18px 0 0 10px;background-color: #f4f4f4;z-index: -1;float: left;clear: both;}
.nav_left ul{margin: 5px 0 0 -10px;}
.nav_left ul img{float: right;margin-top: -30px;margin-right: 12px;display: none;}
.nav_left ul li{font-size: 16px;width: 165px;text-align: center;height: 50px;line-height: 50px;color: #5f83b3;margin-left: 10px;}
.arrow-left {width:0;height:0;border-top:10px solid transparent;border-bottom:10px solid transparent;border-right:10px solid #0d4985;
 margin-top: -10px;overflow: hidden;z-index: -1;position: relative;}
 
.about_href{clear: both;padding-top: 50px;width: 200px;min-height: 280px;}
.about_href ul{width: 165px;margin-left: 18px;}
.about_href a{color: #1a5b9d;}
.about_href li{padding: 20px 0 0 0;}

.leftbox{float: left;width: 220px;}

.content{width: 78%;position: relative;float: right;margin-top: 18px;padding: 0 30px 0 0;}

/*.content .title{color: #195ca0; font-size: 32px;padding: 20px 0 28px 0;border-bottom: 3px solid #195ca0;}*/
.content .title{ font-size: 14px;}
.content .title_blue{font-size: 24px;color: #1a5ca0;margin-top: 10px;border-bottom: 1px solid #ccc;padding-bottom: 25px;text-align: center;}
.content a{color: #333;}
.content ul li{width: 230px;height: 310px;border: 1px solid #CCCCCC;float: left;margin: 25px 40px 25px 40px;padding: 8px;overflow: hidden;}
.content ul li:hover{box-shadow:  0 0 18px #ccc;}
.content .png_box{width: 230px;}
.who{text-align: center;font-size: 20px;padding: 5px 0 5px 0;overflow: hidden;white-space: nowrap;text-overflow: ellipsis;}
.des{font-size: 14px;color: #666;}
.png_box img{width: 100%;height: 150px;}

.num{  padding: 5px 8px;
    border: 1px solid #666;margin:0 3px 0 3px;border-radius: 4px}
.num:hover{color: #fff;background-color: #195ca0;}
.current{  padding: 5px 8px;
    border: 1px solid #666;margin:0 5px;background-color: #195ca0;color: #fff;border-radius: 4px}
.pages>div{float: left;}