#content
{
    margin: 0 auto;
    width: 100%;
    height: 52px;
    background-color: #660798;
}
.main_nav
{
    margin: 0 auto;
    width: 1150px;
    height: 52px;
}

.main_nav ul
{
    float: left;
    width: 1151px;
    height: 52px;
}
.main_nav ul li
{
    float: left;
    color: #660798;
    line-height: 52px;
}
.main_nav ul li
{
    float: left;
    height: 52px;
    text-align: center;
    line-height: 52px;
    position: relative;
    width: 111px;
}
.main_nav ul li a{
 font-size: 16px;
}
.main_nav ul li a
{
    display: block;
    height: 52px;
    font-size: 16px;
    line-height: 52px;
    text-align: center;
    color: #fff;
}
ul.sub-menu {
    display: none;
}
.main_nav ul li a:hover
{
    display: block;
    background: url(../images/nav_hover.png) no-repeat;
}
.main_nav ul li dl
{
    position: absolute;
    left: 0;
    top: 52px;
    width: 140px;
    display: none;
    z-index: 9999;
    padding-bottom: 10px;
    background: url(../image/nav-bg.png);
    border: 1px solid #fff;
}
.main_nav ul li dl dd
{
    height: 35px;
    border-bottom: 1px dashed #0CF;
}
.main_nav ul li dl dd a
{
    display: block;
    height: 35px;
    font-size: 14px;
    line-height: 35px;
    text-align: center;
    color: #fff;
}
.main_nav ul li dl dd a:hover
{
    display: block;
    height: 35px;
    font-size: 14px;
    line-height: 35px;
    color: #bf0101;
}
.main_nav ul li:hover
{
    background: #BF0101;
}