span#shadowbox {
	position: fixed;
	-webkit-transition: all 0.5s ease;
	-o-transition: all 0.5s ease;
	transition: all 0.5s ease;
	z-index: 99;
	filter:alpha(opacity=0);  /*支持 IE 浏览器*/
	opacity:0;
}
span#shadowbox.visible {
	background: rgba(0,0,0,1);
	filter:alpha(opacity=80);  /*支持 IE 浏览器*/
	opacity:0.8;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
}
.top_bg nav {
	position: fixed;
	top: 0;
	bottom: 0;
	right:0;
	z-index: 100;
	width: 0;
}
.top_bg nav button#navBtn {
	position: fixed;
	background-color: #00a0e9;
	width: 64px;
	height: 64px;
	padding: 10px 16px;
	right: 0;
	top: 0px;
	cursor: pointer;
	-webkit-transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
	-o-transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
	transition: all 0.5s cubic-bezier(0.19, 1, 0.22, 1);
	border: none;
	border-radius: 0px;
	outline: none;
}
.top_bg nav button#navBtn div {
	background: #fff;
	width: 100%;
	height: 3px;
	margin: 5px 0 0 0;
	float: left;
	border-radius: 2px;
	-webkit-transition: all 0.2s ease;
	-o-transition: all 0.2s ease;
	transition: all 0.2s ease;
}
.top_bg nav button#navBtn div:nth-child(3) {
	margin: -3px 0 0 0;
}
.top_bg nav button#navBtn div:first-child {
	margin: 0;
}
.top_bg nav button#navBtn.navOpen {
	right: 280px;
	background: rgba(255,255,255,0);
	-webkit-transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
	-o-transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
	transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
}
.top_bg nav button#navBtn.navOpen div {
	margin: 0;
}
.top_bg nav button#navBtn.navOpen div:nth-child(1), nav button#navBtn.navOpen div:nth-child(4) {
	background: transparent;
}
.top_bg nav button#navBtn.navOpen div:nth-child(2) {
	-webkit-transform: rotate(45deg);
	-ms-transform: rotate(45deg);
	-o-transform: rotate(45deg);
	transform: rotate(45deg);
}
.top_bg nav button#navBtn.navOpen div:nth-child(3) {
	margin: -3px 0 0 0;
	-webkit-transform: rotate(-45deg);
	-ms-transform: rotate(-45deg);
	-o-transform: rotate(-45deg);
	transform: rotate(-45deg);
}
.top_bg nav #listMenu {
	padding: 0;
	margin: 0;
	position: absolute;
	background-color: #00a0e9;
	width: 280px;
	top: 0;
	bottom: 0;
	right: -280px;
	overflow-y: auto;
	overflow-x: hidden;
	-webkit-transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
	-o-transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
	transition: 0.5s cubic-bezier(0.19, 1, 0.22, 1);
	-webkit-overflow-scrolling: touch;
	padding-top: 56px;
}
.top_bg nav #listMenu.listOpen {
	right: 0px;
	-moz-box-shadow: 0 0 10px rgba(0,0,0,0.8);
	-webkit-box-shadow: 0 0 10px rgba(0,0,0,0.8);
	box-shadow: 0 0 10px rgba(0,0,0,0.8);	
	-webkit-transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
	-o-transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
	transition: 1s cubic-bezier(0.19, 1, 0.22, 1);
}
/*星空*/
.top_bg nav #listMenu .pg-canvas {
	position: absolute;
	width: 100%;
}
/*.top_bg nav ul#listMenu li {
	width: 100%;
	padding: 0 20px;
	float: left;
	box-sizing: border-box;
	list-style-type: none;
}
.top_bg nav ul#listMenu li a {
	width: 100%;
	color: #fff;
	padding: 20px 10px 10px 10px;
	border-bottom: 1px solid #fff;
	float: left;
	box-sizing: border-box;
}
.top_bg nav ul#listMenu li:last-child a {
	border: none;
}*/