html, body {
	margin: 0px;
	padding: 0px;
	font-family: "microsoft yahei";
	font-size: 14px;
	color: #333;
	height: 100%;
}
a {
	text-decoration: none;
}
img {
	border: 0px;
}
ul,li {
	list-style: none;
}
p{
	margin: 5px 0px;
}
.box {
	display: flex;
	display: inline-flex;
	display: -webkit-flex;
}
.fix{
	flex: 1;
}
.f-wrap {
	flex-wrap:wrap;
}
.f-content-c {
	justify-content: center;
}
.f-content-s {
	justify-content: space-between;
}
.f-content-a {
	justify-content: space-around;
}

.f-items-c{
	align-items: center;
}
.i-title{
	width: 1200px;
	font-size: 24px;
	padding: 50px 0px;
	margin: auto;
}
.i-title >span {
	font-size: 14px;
	color: #666;
	font-style: italic;
	margin-left: 10px;
}
.border-bottom{
	border-bottom: 1px solid #EEEEEE;
}
.padding-t50{
	padding-top: 50px;
}
.mar-l30{
	margin-left: 30px;
}
.padding-b50 {
	padding-bottom: 50px;
}