* {	margin: 0;padding: 0;}
.nav {margin-top:30px ;float: right;}
@media only screen and (min-width: 900px) and (max-width: 1450px) {
.nav {
		margin-top: 30px;
		margin-left: 2%;
		width: 50%;
		float: right;
		min-width: 780px;
	}
}
@media only screen and (min-width: 1450px) {
	.nav {
		margin-top: 30px;
		margin-left: 2%;
		width: 55%;
		float: right;
		
	}
	
}
/* 需要的css样式 */
.menu, .menu ul {
	list-style: none;
	padding: 0;
	margin: 0;
	
}
.menu {
	height: 58px;
}
.menu li {
	background: -moz-linear-gradient(#fff, #fff);
	background: -ms-linear-gradient(#fff, #fff);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #fff), color-stop(100%, #fff));
	background: -webkit-linear-gradient(#fff, #fff);
	background: -o-linear-gradient(#fff, #fff);
 filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#292929', endColorstr='#252525');
	-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#292929', endColorstr='#252525')";
	background: linear-gradient(#fff, #fff);
	min-width: 130px;
}
.menu > li {
	display: block;
	float: left;
	position: relative;
}
.menu > li:first-child {
	border-radius: 5px 0 0;
}
.menu a {
	border-left: 3px solid rgba(0, 0, 0, 0);
	color: #000;
	display: block;
	font-family: 'Lucida Console';
	font-size: 18px;
	line-height: 54px;
	padding: 0 25px;
	text-decoration: none;
	text-transform: uppercase;
	font-family: "微软雅黑";
	font-size: 19px;
}
.menu li:hover {
	background-color: #1c1c1c;
	background: -moz-linear-gradient(#3399cc, #3399cc);
	background: -ms-linear-gradient(#3399cc, #3399cc);
	background: -webkit-gradient(linear, left top, left bottom, color-stop(0%, #3399cc), color-stop(100%, #3399cc));
	background: -webkit-linear-gradient(#3399cc, #3399cc);
	background: -o-linear-gradient(#3399cc, #3399cc);
    filter: progid:DXImageTransform.Microsoft.gradient(startColorstr='#3399cc', endColorstr='#3399cc');
	-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr='#3399cc', endColorstr='#3399cc')";
	background: linear-gradient(#3399cc, #3399cc);
	
}
.menu li:hover > a {
	border-radius: 5px 0 0 0;
	border-left: 3px solid #C4302B;
	color: #fff;
}
.submenu {
	left: 0;
	max-height: 0;
	position: absolute;
	top: 100%;
	z-index: 0;
	-webkit-perspective: 400px;
	-moz-perspective: 400px;
	-ms-perspective: 400px;
	-o-perspective: 400px;
	perspective: 400px;
}
.submenu li {
	opacity: 0;
	-webkit-transform: rotateY(90deg);
	-moz-transform: rotateY(90deg);
	-ms-transform: rotateY(90deg);
	-o-transform: rotateY(90deg);
	transform: rotateY(90deg);
 -webkit-transition: opacity .4s, -webkit-transform .5s;
 -moz-transition: opacity .4s, -moz-transform .5s;
 -ms-transition: opacity .4s, -ms-transform .5s;
 -o-transition: opacity .4s, -o-transform .5s;
 transition: opacity .4s, transform .5s;
}
.menu .submenu li:hover a {
	border-left: 3px solid #454545;
	border-radius: 0;
	color: #ffffff;
}
.menu > li:hover .submenu, .menu > li:focus .submenu {
	max-height: 1800px;
	z-index: 10;
}
.menu > li:hover .submenu li, .menu > li:focus .submenu li {
	opacity: 1;
	-webkit-transform: none;
	-moz-transform: none;
	-ms-transform: none;
	-o-transform: none;
	transform: none;
}
 .menu li:hover .submenu li:nth-child(1) {
 -webkit-transition-delay: 0s;
 -moz-transition-delay: 0s;
 -ms-transition-delay: 0s;
 -o-transition-delay: 0s;
 transition-delay: 0s;
}
.menu li:hover .submenu li:nth-child(2) {
 -webkit-transition-delay: 50ms;
 -moz-transition-delay: 50ms;
 -ms-transition-delay: 50ms;
 -o-transition-delay: 50ms;
 transition-delay: 50ms;
}
.menu li:hover .submenu li:nth-child(3) {
 -webkit-transition-delay: 100ms;
 -moz-transition-delay: 100ms;
 -ms-transition-delay: 100ms;
 -o-transition-delay: 100ms;
 transition-delay: 100ms;
}
.menu li:hover .submenu li:nth-child(4) {
 -webkit-transition-delay: 150ms;
 -moz-transition-delay: 150ms;
 -ms-transition-delay: 150ms;
 -o-transition-delay: 150ms;
 transition-delay: 150ms;
}
.menu li:hover .submenu li:nth-child(5) {
 -webkit-transition-delay: 180ms;
 -moz-transition-delay: 180ms;
 -ms-transition-delay: 180ms;
 -o-transition-delay: 180ms;
 transition-delay: 180ms;
}
.menu li:hover .submenu li:nth-child(6) {
 -webkit-transition-delay: 220ms;
 -moz-transition-delay: 220ms;
 -ms-transition-delay: 220ms;
 -o-transition-delay: 220ms;
 transition-delay: 220ms;
}
.menu li:hover .submenu li:nth-child(7) {
 -webkit-transition-delay: 250ms;
 -moz-transition-delay: 250ms;
 -ms-transition-delay: 250ms;
 -o-transition-delay: 250ms;
 transition-delay: 250ms;
}
.menu li:hover .submenu li:nth-child(8) {
 -webkit-transition-delay: 300ms;
 -moz-transition-delay: 300ms;
 -ms-transition-delay: 300ms;
 -o-transition-delay: 300ms;
 transition-delay: 300ms;
}
 .submenu li:nth-child(1) {
 -webkit-transition-delay: 0ms;
 -moz-transition-delay: 0ms;
 -ms-transition-delay: 0ms;
 -o-transition-delay: 0ms;
 transition-delay: 0ms;
}
.submenu li:nth-child(2) {
 -webkit-transition-delay: 250ms;
 -moz-transition-delay: 250ms;
 -ms-transition-delay: 250ms;
 -o-transition-delay: 250ms;
 transition-delay: 250ms;
}
.submenu li:nth-child(3) {
 -webkit-transition-delay: 220ms;
 -moz-transition-delay: 220ms;
 -ms-transition-delay: 220ms;
 -o-transition-delay: 220ms;
 transition-delay: 220ms;
}
.submenu li:nth-child(4) {
 -webkit-transition-delay: 180ms;
 -moz-transition-delay: 180ms;
 -ms-transition-delay: 180ms;
 -o-transition-delay: 180ms;
 transition-delay: 180ms;
}
.submenu li:nth-child(5) {
 -webkit-transition-delay: 150ms;
 -moz-transition-delay: 150ms;
 -ms-transition-delay: 150ms;
 -o-transition-delay: 150ms;
 transition-delay: 150ms;
}
.submenu li:nth-child(6) {
 -webkit-transition-delay: 100ms;
 -moz-transition-delay: 100ms;
 -ms-transition-delay: 100ms;
 -o-transition-delay: 100ms;
 transition-delay: 100ms;
}
.submenu li:nth-child(7) {
 -webkit-transition-delay: 50ms;
 -moz-transition-delay: 50ms;
 -ms-transition-delay: 50ms;
 -o-transition-delay: 50ms;
 transition-delay: 50ms;
}
.submenu li:nth-child(8) {
 -webkit-transition-delay: 0s;
 -moz-transition-delay: 0s;
 -ms-transition-delay: 0s;
 -o-transition-delay: 0s;
 transition-delay: 0s;
}