.about_wrap{
		position:fixed;z-index:10;
		left:50%; width:1022px; margin-left:-511px;
		font-size:14px;line-height:24px;
		color:#fff;text-align:center;
		bottom:13%;
		border:1px solid rgba(255,255,255,0.3);
		border-top:none;
		background:url(../images/about/topline.png) no-repeat center top;
	}
	.about_wrap .slogan{margin-top:-90px;position:relative;}
	.about_wrap .key{
		position:absolute; left:50%;margin-left:-50px;top:40px;
		 animation: keyMove 4s linear 0s infinite normal forwards;
	}
	@keyframes keyMove { 
		00.00%{transform: rotate(0deg)}  
		18.18%{transform: rotate(40deg)}  
		54.55%{transform: rotate(-40deg)}  
		72.73%{transform: rotate(180deg)}  
		100.00%{transform: rotate(180deg)}  
	}
	.about_wrap .sea1{
		position:absolute;right:-160px;bottom:0;
		animation: shellMove 5s linear 4s infinite normal forwards;
	}
	@keyframes shellMove { 
		00.00%{bottom:0px;}  
		03.00%{bottom:20px}  
		06.00%{bottom:0px}  
		100.00%{bottom:0px}  
	}
	.about_wrap .sea2{
		position:absolute;right:-135px;bottom:270px;
		 animation: starMove 5s linear 3s infinite normal forwards;
	}
	.about_wrap .sea3{
		position:absolute;right:-180px;bottom:250px;
		 animation: starMove 5s linear 3.3s infinite normal forwards;
	}
	@keyframes starMove { 
		00.00%{transform: rotate(0deg)}  
		03.00%{transform: rotate(20deg)}  
		06.00%{transform: rotate(0deg)}  
		100.00%{transform: rotate(0deg)}  
	}