#four_flash {
	position: relative;
	width: 1200px;
	height: 450px;
	margin: 0 auto;

}
#four_flash .flashBg {
	width: 1200px;
	height: 450px;
	margin: 0 auto;
	position: relative;
	overflow: hidden;
}
#four_flash .flashBg ul.mobile {
	width: 2000%;
	height: 450px;
	position: absolute;
	top: 15;
	left: 0;
}
#four_flash .flashBg ul.mobile li {
	float: left;
	width: 380px;
	height: 450px;
	margin-left: 10px;
	margin-right:10px;
	color: #6C6E85;
	text-align: center;
	font-size: 14px;
	line-height: 12px;
}
#four_flash .flashBg ul.mobile li:hover {
	
}
#four_flash .flashBg ul.mobile li img {
	width: 238px;
	height: 260px;
	display: block;
	margin: 0 auto;
}
#four_flash .but_left,#four_flash .but_right{
	width: 80px;
	float: left;
	position: absolute;
	top: 440px;
}
#four_flash .but_left{
	right: 42px;
}
#four_flash .but_right{
	right: -40px;
}
#four_flash .but_left a{
	display: block;
	width: 80px;
	height: 80px;
	cursor: pointer;
	line-height: 400px;
	overflow: hidden;
	background:url(../images/ar1.png) center no-repeat #fff;
	opacity: 0.9;
    transition: opacity 300ms cubic-bezier(0.215, 0.61, 0.355, 1);
}
#four_flash .but_right a{
	display: block;
	width: 80px;
	height: 80px;
	cursor: pointer;
	line-height: 400px;
	overflow: hidden;
	background:url(../images/ar2.png) center no-repeat #fff;
	opacity: 0.9;
    transition: background 300ms cubic-bezier(0.215, 0.61, 0.355, 1);
}
#four_flash .but_left a:hover {
	background:url(../images/ar1.png) center no-repeat #777;
    transition: background 300ms cubic-bezier(0.215, 0.61, 0.355, 1);
    opacity: 0.7;
}
#four_flash .but_right a:hover {
	background:url(../images/ar2.png) center no-repeat #777;
    transition: background 300ms cubic-bezier(0.215, 0.61, 0.355, 1);
    opacity: 0.7;
}