.banner{
	position: relative;
	z-index: 2;
	width: 100%;
	height: 550px;
	overflow: hidden;
}
.bannerContent{
	position: relative;
	height: 100%;
}
.banner_item{
	display: none;
	width: 100%;
	height: 100%;
	opacity: 0;
	filter:alpha(opacity=0);
	position: absolute;
	background-position: center;
	background-size: cover;
	background-repeat: no-repeat;
	/*切换动画*/
	transition-duration: .6s;
	transition-property: opacity;
	transition-timing-function: ease;
}
.banner_item a, .banner_item a img{
	display: block;
}
/*banner 当前项目样式*/
.banner_active{
	display: block;
	opacity: 1;
	filter:alpha(opacity=100);
}

.navigator{
	position: absolute;
	bottom: 10px;
	width: 100%;
}
.navigator_list{
	width: 40%;
	text-align: center;
	margin: auto;
	font-size: 0;
}
.navigator_item{
	/*指示器普通样式*/
	display: inline-block;
	margin-left: 10px;
	width: 10px;
	height: 10px;
    border-radius: 7px;
	font-size: 14px;
	line-height: 10px;
	color: #ffffff;
	text-align: center;
	border: 2px solid #FFFFFF;
	background: #333333;
	cursor: pointer;
}
.navigator_item{
	/*兼容ie7*/
	*display: inline;
}
.navigator_item_active{
	/*指示器活动样式*/
	background: #FFFFFF;
}