.inner-header {
	background-color: rgba(0, 0, 0, 1);
	width: 100%;
	height: 50px;
	position: absolute;
	top: 0px;
	left: 0px;
}

.inner-header-icon {
	color: #369A94;
	height: 50px;
	font-size: 25px;
	text-align: center;
	float: right;
	width: 50px;
	position: relative;
	-webkit-transition: background 0.5s;
	-moz-transition: background 0.5s;
	-o-transition: background 0.5s;
	transition: background 0.5s;
}

.inner-header-icon:hover {
	background-color: rgba(255, 255, 255, 0.2);
	cursor: pointer;
}

.inner-header-icon span {
	position: absolute;
	left: calc((100% - 25px) / 2);
	top: calc((100% - 2px) / 2);
	width: 25px;
	height: 2px;
	background-color: #369A94;
}

.inner-header-icon span:nth-child(1) {
	transform: translateY(8px) rotate(0deg);
}

.inner-header-icon span:nth-child(2) {
	opacity: 0;
}

.inner-header-icon span:nth-child(3) {
	transform: translateY(-8px) rotate(0deg);
}


.inner-header-icon-click span:nth-child(1) {
	animation-duration: 0.5s;
	animation-fill-mode: both;
	animation-name: clickfirst;
}

.inner-header-icon-click span:nth-child(2) {
	animation-duration: 0.5s;
	animation-fill-mode: both;
	animation-name: clicksecond;
}

.inner-header-icon-click span:nth-child(3) {
	animation-duration: 0.5s;
	animation-fill-mode: both;
	animation-name: clickthird;
}


/*第一条线旋转动画*/
@keyframes clickfirst {
	0% {
		transform: translateY(8px) rotate(0deg);

	}

	100% {
		transform: translateY(0) rotate(45deg);
	}
}

/*第二条线淡入淡出动画动画*/
@keyframes clicksecond {
	0% {
		opacity: 1;
	}

	100% {
		opacity: 0;
	}
}

/*第三条线旋转动画*/
@keyframes clickthird {
	0% {
		transform: translateY(-8px) rotate(0deg);
	}

	100% {
		transform: translateY(0) rotate(-45deg);
	}
}

.inner-header-icon-out span:nth-child(1) {
	animation-duration: 0.5s;
	animation-fill-mode: both;
	animation-name: outfirst;
}

.inner-header-icon-out span:nth-child(2) {
	animation-duration: 0.5s;
	animation-fill-mode: both;
	animation-name: outsecond;
}

.inner-header-icon-out span:nth-child(3) {
	animation-duration: 0.5s;
	animation-fill-mode: both;
	animation-name: outthird;
}

@keyframes outfirst {
	0% {
		transform: translateY(0) rotate(-45deg);
	}

	100% {
		transform: translateY(-8px) rotate(0deg);
	}
}

@keyframes outsecond {
	0% {
		opacity: 0;
	}

	100% {
		opacity: 1;
	}
}

@keyframes outthird {
	0% {
		transform: translateY(0) rotate(45deg);
	}

	100% {
		transform: translateY(8px) rotate(0deg);
	}
}

.inner-nav {
	background-color: rgba(0, 0, 0, 0.9);
	width: 100%;
	position: absolute;
	top: 50px;
	left: 0px;
	padding-top: 30px;
	padding-bottom: 80px;
	display: none;
}

.inner-nav a {
	display: inline-block;
	line-height: 50px;
	text-decoration: none;
	width: 80%;
	margin-left: 10%;
	color: #FFFFFF;
	border-bottom: solid 1px rgba(255, 255, 255, 0.3);
	-webkit-transition: all 0.5s;
	-moz-transition: all 0.5s;
	-o-transition: all 0.5s;
	transition: all 0.5s;
	font-weight: 300;
}

.inner-nav a:hover {
	color: rgba(255, 255, 255, 0.4);
	border-bottom: solid 1px rgba(255, 255, 255, 0.2);
}