.mian{width:80%; margin:10px auto; color:#5e5e5e;}
.content-left{float: left;width: 20%;color:#4a4a4a;margin-right: 40px;}
.content-left li{margin:13px auto;}
.content-left a{font-size: 18px;
font-family: 宋体;
font-weight: bold;
color: #4a4a4a;
font-style: initial;

}
.content-middle{margin-left: 25%;}
.sub-title{margin:13px auto;font-size: 20px;color:#000}
.sub-title a{float: right;font-size: 14px;color: #1067cc;}
.sub-content{color:#000;}