.abright{
	background: #fff;
}

.content .abright {
    width: 1009px;
}
.am-title{
	font-weight: bold;
	font-size: 26px;
	margin: 5px 65px;
}
.am-content {
    margin: 50px 80px 50px 130px;
}
.year {
    width: 10%;
    float: left;
    text-align: center;
}
.year .y1{
	font-size: 18px;
    font-weight: bolder;
    color: #2b2b2b;
    margin-top: 19px;
    display: block;
}
.year .y2{
    font-size: 18px;
    font-weight: bolder;
    color: #2b2b2b;
    margin-top: 3px;
    display: block;
}
.round{
	width: 10%;
	float: left;
	margin-top: 22px;
}
.round1{
	width: 10%;
	float: left;
	margin-top: 6px;
}
.element{
	margin: 0 auto;
	position: relative;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    border: 1px solid #bbbbbb;
}
.child{
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background-color: #dcdcdc;
    position: relative;
    top: 3px;
    left: 3px;
}
.line-top{
	position: absolute;
	height: 50px;
    border-right: 1px solid #dcdcdc;
    left: 50%;
    bottom: 13px;
}
.line-bottom{
	position: absolute;
    height: 50px;
    border-right: 1px solid #dcdcdc;
    left: 50%;
}
.discribe {
    width: 80%;
    float: right;
}
.discribe p{
	color: #2c2c2c;
	font-size: 16px;
	line-height: 1.8;
}
.map-content{
	text-align: center;
	margin: 80px 0 40px 0;
}