.scroll {
	width: 1200px;
	margin: 0 auto;
	position: relative;
	padding-top: 16px;
}
.scroll .t, .arr_left, .arr_right, .scroll_txt {
	position: absolute;
}
.arr_left {
	width: 80px;
	height: 80px;
	cursor: pointer;
	line-height: 400px;
	overflow: hidden;
	right: 42px;
	top: 400px;
	background:url(../images/ar1.png) center no-repeat #fff;
	opacity: 0.9;
    transition: opacity 300ms cubic-bezier(0.215, 0.61, 0.355, 1);
}
.arr_left: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;
}
.arr_right {
	width: 80px;
	height: 80px;
	cursor: pointer;
	line-height: 400px;
	overflow: hidden;
	right: -40px;
	top: 400px;
	background:url(../images/ar2.png) center no-repeat #fff;
	opacity: 0.9;
    transition: background 300ms cubic-bezier(0.215, 0.61, 0.355, 1);
}
.arr_right: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;
}
.scroll .box {
	float: left;
	width: 792px;
}
.scroll_cont {
	width: 792px;
	height: 506px;
	float: right;
}
.numList {
	vertical-align: middle;
	text-align: center;
	position: absolute;
	z-index: 2;
	right: 660px;
    top: 480px;
}
.numList span {
	display: inline-block;
	width: 25px;
	height:4px;
	margin-right: 5px;
	background: #cde9fa;
	cursor: pointer;
	line-height: 0;
	font-size: 0
}
.numList span.selected {
	background: #3ba6ef
}
.scroll_txt{
	left: 0;
	top: 0;
}
.btxt{
	padding-top: 110px;
}
.btxt h3{
	font-size: 48px;
	font-weight: bold;
}
.btxt p{
	font-size: 18px;
	padding-top: 40px;
	padding-bottom: 50px;
}
.btxt a{
	display: inline-block;
    margin: 5px 0;
    padding: 19px 40px;
    background-color: #3ba6ef;
    color: white;
    text-align: center;
    text-decoration: none;
    border: 0;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 100ms ease-out;
    -webkit-font-smoothing: antialiased;
}
.btxt a:hover{
    background-color: #7fc6f5;

}