.tabs_aa {
	overflow: hidden;
	width: 239px;
	margin: 20px auto;
	padding: 0;
	list-style: none;
}

.tabs_aa li {
	float: left;
	margin: 0 20px 0 0;
	background: #cccccc;
}

.tabs_aa a {
	float: left;
	position: relative;
	padding: 0 20px;
	
	line-height: 25px;
	text-transform: uppercase;
	text-decoration: none;
	color: #000;
	/*border-right: 30px solid transparent;*/
	
	font-size: 12px;
	border-bottom-color: #7779;
	
}

.tabs_aa a:hover,.tabs_aa a:focus {
     color: #fff !important;
     background: #00a0ea;
}

.tabs_aa a:focus {
	outline: 0;
}

.tabs_aa .current {
	z-index: 3;
	border-color: #3d3d3d;
	opacity: 1;
	filter: alpha(opacity =       100);
}

.content_aa {
	background: url(../img/BG.png);
	padding-top: 10px;
	font-size: 12px;
}

.content_aa h2,.content_aa h3,.content_aa p {
	margin: 0 0 15px 0;
}

.about {
	color: #999;
	text-align: center;
	font: 0.9em Arial, Helvetica;
}

.about a {
	color: #777;
}
.tab1_1{ width: 1200px; height: 2500px; margin: 0 auto;}

.tab-4-timeline li{    background: none;
    margin: 10px 0;
    display: inline-block;
    font-family: "微软雅黑";
    height: 198px;
    width: 1200px;
    }
.tab-4-timeline li:hover{    background: none;}
.line_ww1{height: 90px !important;}

.tab-4-timeline li{padding-left: 170px;}
.tab-4-timeline li h4{ font-size: 22px; float: left; margin-left: 20px;line-height: 198px;}

.tab-4-timeline li p {height:16px;width:16px;background:#fff;display:block;margin:91px 0 0 12px;border-radius:18px;border:2px solid #00a0ea;
	-webkit-transition:all 0.1s linear;
	-moz-transition:all 0.1s linear;
	-o-transition:all 0.1s linear;
	transition:all 0.1s linear;
	position:relative;
	top:0;left:0;
float: left;
line-height: 198px;}
.line_ww1 b{margin:0px 0 0 316px;}
.tab-4-timeline li img{margin-left: 60px;}