/**顶部导航**/
.m_plate_top{
	 width:100%;
	 height:44px; 
	 top:0px;
	 position:absolute;
	 z-index:7; 
	 background:url(../default/m_top_bg13.png);
	 background-size: 100% 100%; 
}
.m_plate_top h1{ 
	line-height:44px; 
	text-align:center; 
	color:#FFF; 
	font-size:16px;
}
.top_left_btn, .top_right_btn {
	width: 48px;
    height: 36px;
    line-height: 36px;
    margin: 4px;
    position: absolute;
    text-align: center;
	color:#FFF;
    top: 0;
    display: block;
	background:url(../default/m_top_btn13.png);
	background-size: 100% 100%;
}
.top_left_btn {
    left: 0;
}
.top_right_btn {
    right: 0;
}