.cl {
	clear:both;
}
.left {
	float:left;
}
.right {
	float:right;
}

/* banner */
.banner {
	margin-top:1px;
	height:318px;
}
.banner_left {
	width:1000px;
	height:318px;
	position:relative;
}

.banner_prev_f {
	width:1000px;
	height:318px;
	position:relative;
}

.banner_img {
}
.banner_img li {
	position:absolute;
	display:none;
	z-index:9;
    width:1000px;
    height:318px;
    overflow:hidden;
}
.banner_prev {
	position:absolute;
	z-index:10;
	left:0;
	top:50%;
	margin-top:-44px;
	cursor:pointer;
	filter:alpha(opacity=75);  /*支持 IE 浏览器*/
	-moz-opacity:0.75; /*支持 FireFox 浏览器*/
	opacity:0.75;  /*支持 Chrome, Opera, Safari 等浏览器*/
}
.banner_next {
	position:absolute;
	z-index:10;
	top:50%;
	margin-top:-44px;
	right:0;
	cursor:pointer;
	filter:alpha(opacity=75);  /*支持 IE 浏览器*/
	-moz-opacity:0.75; /*支持 FireFox 浏览器*/
	opacity:0.75;  /*支持 Chrome, Opera, Safari 等浏览器*/
}

.banner_bt {
    position:absolute;
    z-index:10;
    left:47%;
    bottom:15px;
}
.banner_bt li {
    width:12px;
    height:12px;
    background:#000;
    filter:alpha(opacity=80);  /*支持 IE 浏览器*/
	-moz-opacity:0.80; /*支持 FireFox 浏览器*/
	opacity:0.80;  /*支持 Chrome, Opera, Safari 等浏览器*/
    float:left;
    margin:3px;
    background:url(../images/ban_bt_s.png) center center no-repeat;
}
.banner_bt li.now {
    background:#f60;
     filter:alpha(opacity=100);  /*支持 IE 浏览器*/
	-moz-opacity:1.0; /*支持 FireFox 浏览器*/
	opacity:1.0;  /*支持 Chrome, Opera, Safari 等浏览器*/
    background:url(../images/ban_bt.png) center center no-repeat;
}

.w1280 {
	width:1000px;
	margin:0 auto;
	overflow:hidden;
}