/* Write by Ching-Tao Lee, 2018 */
.mainmenu{
	position: relative;
	background: #000000;
	z-index: 200;
}
.nav{
	position: relative;
	z-index: 200;
}
.nav ul{
	list-style: none;
	margin: 0;
	padding: 0;
}
.nav ul.menu li{
	display: inline-block;
	margin-left: -4px;
	border-right: 1px solid #333333;
}
.nav ul.menu li:last-child{
	border-right: none;
}
.nav ul.menu li:first-child{
	margin-left: 0
}
.nav ul.menu li ul li{
	display: block;
	border-top: solid 1px #333333;
	margin-left: 0;
}
.nav ul.menu li ul{
	position: absolute;
	display: none;
	z-index: 200;
	box-shadow: 1px 1px 6px #999; /* Opera 10.5 + */ 
	-moz-box-shadow: 1px 1px 6px #999; /* Firefox */
	-webkit-box-shadow: 1px 1px 6px #999; /* Safari 和 Chrome */
	filter:progid:DXImageTransform.Microsoft.Shadow(color='#aaaaaa', Direction=135, Strength=4); /* ie */
}
.nav a{
	display: block;
	padding: 10px 15px;
	background: #000000;
	font-weight: bold;
	color: #FFFFFF;
	text-decoration: none;
}
.nav a:hover,
.nav a:focus{
	background: #5B8ED3;
	color: #FFFFFF;
	transition: background 150ms linear;
}