/* 控制 */
.control{
	border-bottom: 1px solid #ccc;
	background-color: #eee;
	text-align: center;
	padding: 20px 0; /* 上下距离20px 左右0 */
}
#showmsg{
	font-size: 25px;
}
.roll{
	width: 100%;
	/*height: 308px;*/
	margin: 10px auto;
	position: relative;
}
.roll ul{
	position: absolute;
	top: 0;
	left: 0px;

}
.roll li{
	float: left;
	width: 182px;
	height: 108px;
margin-right:10px;
	
}
.roll li a:hover{
	position: relative;
	top: 2px;
}
.roll .wrap{
	height: 108px;
	position: relative;
	margin: 0 auto;
	overflow: hidden;
}
/* 左按钮 */
.btn_left{
	display: block;
	width: 68px;
	height: 68px;
	background: url(../images/btn.jpg) no-repeat -70px -69px ;
	position: absolute;/* //绝对定位会脱标 不会占据位置 */
	top: 20px;
	left: 1px;
	z-index: 1;
}
.btn_left:hover{
	background-position: -70px 0;
}
.btn_right{
	width: 68px;
	height: 68px;
	background: url(../images/btn.jpg) no-repeat 1px -69px;
	position: absolute;
	right: 1px;
	top: 20px;
	z-index: 1;
}
.btn_right:hover{
	background-position: 1px 0;
}