.index_focus {

	position: relative;

	width: 100%;

	margin:0 auto;

	overflow: hidden;

	text-align: center;

	z-index:5;

}

.index_focus .bd li {

	display: none;

	position: absolute;

	width: 100%;

	left: 0;

	top: 0;

}

.index_focus_post {

	z-index: 10;

}

.index_focus_pre, .index_focus_next {

	display: none;

	position: absolute;

	top: 50%;

	margin-top: -36px;

	width: 72px;

	height: 72px;

	text-indent: 100%;

	white-space: nowrap;

	overflow: hidden;

	z-index: 10;

	background:url(../images/ban/ico_sliding.png) no-repeat;

}

.index_focus_pre {

	left: 30px;

	background-position: 0 0;

}

.index_focus_pre:hover {

	background-position: 0 -144px;

}

.index_focus_next {

	right: 30px;

	background-position: 0 -72px;

}

.index_focus_next:hover {

	background-position: 0 -216px;

}

@media screen and (max-width:1366px){

	.index_focus {height:501px;}

	.index_focus .bd li {height:501px;}

	.ban_bg1{ background:url(../images/ban/1366/1.jpg) center no-repeat;}

	.ban_bg2{ background:url(../images/ban/1366/2.jpg) center no-repeat;}

	.ban_bg3{ background:url(../images/ban/1366/3.jpg) center no-repeat;}

	.index_focus .bd li a{ display:block; float:left; width:100%; height:501px;}

}

@media screen and (max-width:1440px) and (min-width:1367px){

	.index_focus {height:528px;}

	.index_focus .bd li {height:px;}

	.ban_bg1{ background:url(../images/ban/1440/1.jpg) center no-repeat;}

	.ban_bg2{ background:url(../images/ban/1440/2.jpg) center no-repeat;}

	.ban_bg3{ background:url(../images/ban/1440/3.jpg) center no-repeat;}

	.index_focus .bd li a{ display:block; float:left; width:100%; height:528px;}

}

@media screen and (max-width:1600px) and (min-width:1441px){

	.index_focus {height:587px;}

	.index_focus .bd li {height:587px;}

	.ban_bg1{ background:url(../images/ban/1600/1.jpg) center no-repeat;}

	.ban_bg2{ background:url(../images/ban/1600/2.jpg) center no-repeat;}

	.ban_bg3{ background:url(../images/ban/1600/3.jpg) center no-repeat;}

	.index_focus .bd li a{ display:block; float:left; width:100%; height:587px;}

}

@media screen and (min-width:1601px){

	.index_focus {height:704px;}

	.index_focus .bd li {height:704px;}

	.ban_bg1{ background:url(../images/ban/1.jpg) center no-repeat;}

	.ban_bg2{ background:url(../images/ban/2.jpg) center no-repeat;}

	.ban_bg3{ background:url(../images/ban/3.jpg) center no-repeat;}

}