* {
	padding: 0;
	margin: 0;
	font-family: "微软雅黑";
	font-size: 14px;
}
ul,li {
	list-style: none;
}
a {
	text-decoration: none;
	color: black;
}
.box{
	width: 100%;
	height: 420px;
	margin: 0 auto;
	overflow: hidden;
	position: relative;
}
.box-1 ul{

}
.box-1 ul li{
	width: 100%;
	height: 420px;
	position: relative;
	overflow: hidden;
}
.box-1 ul li img{
	display:block;
	width: 100%; 
	height: 420px;
}
.box-2{
	position: absolute;
	right: 10px;
	bottom: 14px;
	margin: 0 auto;
}
.box-2 ul li{
	float:left;
	width: 12px;
	height: 12px;
	overflow: hidden; 
	margin: 0 5px; 
	border-radius: 50%;
	background: rgba(0,0,0,0.5);
	text-indent: 100px;
	cursor: pointer;
}
.box-2 ul .on{
	background: rgba(255,255,255,0.6);
}
.box-3 span{
	position: absolute;color: 
	white;background: rgba(125,125,120,.3);
	width: 50px;
	height: 80px;
	top:50%; 
	font-family: "宋体";
	line-height: 80px;
	font-size:60px;
	margin-top: -40px;
	text-align: center;
	cursor: pointer;}
.box-3 .prev{
	left: 10px;
}
.box-3 .next{
	right: 10px;
}
.box-3 span::selection{
	background: transparent;
}
.box-3 span:hover{
	background: rgba(125,125,120,.8);
}