body{overflow-x: hidden; position: relative;}
.wumainmenu{position: relative; zoom:1; font-family: "微软雅黑";}
.wumainmenu .bg,
.wumainmenu .line{background: #005BAC;  position: absolute; width: 100%; left: 0;}
.wumainmenu-s1 .bg,
.wumainmenu-s1 .line{
	width: 3000px; left: 50%; margin-left: -1500px;
}
.wumainmenu .bg{top: 0; height: 100%;}
.wumainmenu .line{bottom: 0;}
.wumainmenu dl,
.wumainmenu dd{margin: 0;}
.wumainmenu .bd{position: relative;}
.wumainmenu ul{ overflow: hidden;}
.wumainmenu li{float:left; width: 150px; }
.wumainmenu dt a{border-right: 1px solid #004587;}
.wumainmenu a{
    display: block;  
    text-align: center; 
    text-decoration: none;
    line-height: 50px; 
    white-space: nowrap; 
    color: #fff; 
    font-size: 14px; 
    zoom: 1;
    /* 保留原有样式，仅删除线条相关注释 */
    position: relative;
    width: 100%;
    box-sizing: border-box;
}
/* 仅保留背景色，删除线条相关样式 */
.wumainmenu a.active,
.wumainmenu a:hover{
    background: #ff7e00;
}

.wumainmenu dt{overflow: hidden;}
.wumainmenu dt a span{
    line-height: 20px; 
    color: #B9CEDF; 
    display: block;
    text-align:center; 
    font-size: 12px; 
    width: 100%; 
    font-family: Arial; 
    position: absolute;
}

.wumainmenu dd{
    position: absolute; 
    top: 100%; 
    background: #005BAC; 
    _zoom: 1; 
    display: none; 
    box-sizing: border-box;
}
.wumainmenu dd a{
    line-height: 28px; 
    font-size: 12px;
}

.fixedtop{
	width: 100%; top: 0;
	position: fixed !important;
}