.odiv{
text-align: center;
font-family:'微软雅黑';
}
.odiv ul {
margin: 0 auto;
list-style-type: none;
}
.odiv ul li {
display: inline;
float:left;
line-height:30px;
width:100%;
text-align:center;
}
.odiv ul li a{
text-decoration:none;
display:block;
color:#000;font-size:14px;
}
.odiv li a {
    font-size: 14px;
    color: #282828;
    padding-left: 13px;
    font-family: Helvetica;
    height: 40px;
    line-height: 40px;
    border-bottom: 1px solid #d3d3d3;
    display: block;
}
.nav1 {
	margin:0 auto; 
	text-align:center; 
    width: 100%;
    height: 32px;
    border-bottom:2px #aaaaaa solid;
    cursor: pointer;
}
.nav1 img{ text-align:right; padding-right:6px;}