body, html { font-size: 100%; 	padding: 0; margin: 0;}

/* Reset */
*,
*:after,
*:before {
	-webkit-box-sizing: border-box;
	-moz-box-sizing: border-box;
	box-sizing: border-box;
}

/* Clearfix hack by Nicolas Gallagher: http://nicolasgallagher.com/micro-clearfix-hack/ */
.clearfix:before,
.clearfix:after {
	content: " ";
	display: table;
}

.clearfix:after {
	clear: both;
}

body{
	/* background: #bdd9f5; */
	color: #D5D6E2;
	font-weight: 500;
	font-size: 1.05em;
	font-family: "Microsoft YaHei","Segoe UI", "Lucida Grande", Helvetica, Arial,sans-serif;
}
.demo{padding: 2em 0;}
.main-timeline{
	overflow: hidden;
	position: relative;
}
.main-timeline:before{
	content: "";
	width: 7px;
	height: 100%;
	background: #909090;
	position: absolute;
	top: 0;
	left: 50%;
	transform: translateX(-50%);
}
.main-timeline .timeline{
	width: 50%;
	padding-left: 50px;
	float: right;
	position: relative;
}
.main-timeline .timeline:before{
	content: "";
	width: 30px;
	height: 30px;
	border-radius: 50%;
	background: #cecece;
	border: 7px solid #fff;
	position: absolute;
	top: 50%;
	left: -15px;
	transform: translateY(-50%);
}
.main-timeline .timeline:after{
	content: "";
	display: block;
	border-right: 30px solid #eeeeee;
	border-top: 20px solid transparent;
	border-bottom: 20px solid transparent;
	position: absolute;
	top: 50%;
	left: 24px;
	transform: translateY(-50%);
}
.main-timeline .timeline-content{
	display: block;
	padding: 25px;
	/* border-radius: 100px; */
	background: #fcfcfc;    border: 1px solid #e7e7e7;
	position: relative;
}
.main-timeline .timeline-content:before,
.main-timeline .timeline-content:after{
	content: "";
	display: block;
	width: 100%;
	clear: both;
}
.main-timeline .timeline-content:hover{ text-decoration: none; }
.main-timeline .inner-content{
	width: 70%;
	float: right;
	padding: 15px 20px 15px 15px;
	background: #fff;
	/* border-radius: 0 100px 100px 0; */
	color: #000000;
}
.main-timeline .year{
	display: inline-block;
	font-size: 50px;
	font-weight: 600;
	color: rgb(0, 0, 0);
	position: absolute;
	top: 50%;
	left: 7%;
	transform: translateY(-50%);
}
.main-timeline .title{
	font-size: 24px;
	font-weight: 600;
	text-transform: uppercase;
	margin: 0 0 5px 0;
}
.main-timeline .description{
	font-size: 14px;
	margin: 0 0 5px 0;
}
.main-timeline .timeline:nth-child(2n){ padding: 0 50px 0 0; }
.main-timeline .timeline:nth-child(2n):before,
.main-timeline .timeline:nth-child(2n) .year{
	left: auto;
	right: -15px;
}
.main-timeline .timeline:nth-child(2n) .year{ right: 7%; }
.main-timeline .timeline:nth-child(2n):after{
	border-right: none;
	border-left: 30px solid #eeeeee;
	left: auto;
	right: 24px;
}
.main-timeline .timeline:nth-child(2n) .inner-content{
	float: none;
	/* border-radius: 100px 0 0 100px; */
	text-align: right;
}
.main-timeline .timeline:nth-child(2){ margin-top: 130px; }
.main-timeline .timeline:nth-child(odd){ margin: -130px 0 0 0; }
.main-timeline .timeline:nth-child(even){ margin-bottom: 80px; }
.main-timeline .timeline:first-child,
.main-timeline .timeline:last-child:nth-child(even){ margin: 0; }
.main-timeline .timeline:nth-child(2n) .timeline-content{ background: #fcfcfc;    border: 1px solid #e7e7e7; }
.main-timeline .timeline:nth-child(2n),
/* .main-timeline .timeline:nth-child(2n) .inner-content{ color: #f68829; }
.main-timeline .timeline:nth-child(2n):after{ border-left-color: #f68829; }
.main-timeline .timeline:nth-child(3n) .timeline-content{ background: #2991d0; }
.main-timeline .timeline:nth-child(3n),
.main-timeline .timeline:nth-child(3n) .inner-content{ color: #2991d0; }
.main-timeline .timeline:nth-child(3n):after{ border-right-color: #2991d0; }
.main-timeline .timeline:nth-child(4n) .timeline-content{ background: #9361aa; }
.main-timeline .timeline:nth-child(4n),
.main-timeline .timeline:nth-child(4n) .inner-content{ color: #9361aa; }
.main-timeline .timeline:nth-child(4n):after{ border-left-color: #9361aa; }
.main-timeline .timeline:nth-child(5n) .timeline-content{ background: #a7be26; }
.main-timeline .timeline:nth-child(5n),
.main-timeline .timeline:nth-child(5n) .inner-content{ color: #a7be26; }
.main-timeline .timeline:nth-child(5n):after{ border-right-color: #a7be26; } */
@media only screen and (max-width: 1200px){
	.main-timeline .inner-content{ width: 80%; }
	.main-timeline .year{
		font-size: 45px;
		left: 10px;
		transform: translateY(-50%) rotate(-90deg);
	}
	.main-timeline .timeline:nth-child(2n) .year{ right: 10px; }
}
@media only screen and (max-width: 990px){
	.main-timeline .year{
		font-size: 40px;
		left: 0;
	}
	.main-timeline .timeline:nth-child(2n) .year{ right: 0; }
}
@media only screen and (max-width: 767px){
	.main-timeline:before,
	.main-timeline .timeline:before{
		left: 10px;
		transform: translateX(0);
	}
	.main-timeline .timeline:nth-child(2n):after{
		border-left: none;
		border-right: 30px solid #ee4423;
		right: auto;
		left: 24px;
	}
	.main-timeline .timeline,
	.main-timeline .timeline:nth-child(even),
	.main-timeline .timeline:nth-child(odd){
		width: 100%;
		float: none;
		margin: 0 0 30px 0;
	}
	.main-timeline .timeline:last-child{ margin-bottom: 0; }
	.main-timeline .timeline:nth-child(2n){ padding: 0 0 0 50px; }
	.main-timeline .timeline:before,
	.main-timeline .timeline:nth-child(2n):before{ left: -2px; }
	.main-timeline .inner-content{ width: 85%; }
	.main-timeline .timeline:nth-child(2n) .inner-content{
		float: right;
		/* border-radius: 0 100px 100px 0; */
		text-align: left;
	}
	.main-timeline .timeline:nth-child(2n) .year{
		right: auto;
		left: 0;
	}
	.main-timeline .timeline:nth-child(2n):after{ border-right-color: #f68829; }
	.main-timeline .timeline:nth-child(3n):after{ border-left-color: #2991d0; }
	.main-timeline .timeline:nth-child(4n):after{ border-right-color: #9361aa; }
	.main-timeline .timeline:nth-child(5n):after{ border-left-color: #a7be26; }
}
 
@media only screen and (max-width: 479px){
	.main-timeline .timeline-content{ padding: 15px; }
	.main-timeline .inner-content{ width: 80%; }
	.main-timeline .year{ font-size: 30px; }
}