body,h3,span,p,div {
	font-family: 'PingFang SC', 'HiraginoSansGB-W3', 'STHeitiSC-Light', 'Microsoft YaHei', SimHei, 'Helvetica Neue', Helvetica, Arial, sans-serif;
}
.b-f {
	background: #fff;
}
.t-c {
	text-align: center
}
.w100 {
	width: 100%;
}
.list1_nav {
	position: relative;
}
.back {
	position: absolute;
	right: 18px;
}
.back a {
	display: block;
	background: #999;
	height: 16px;
	line-height: 15px;
	width: 50px;
	border-radius: 5px;
	text-align: center;
}
h3 {
	font-size: 14px;
	letter-spacing: 0.1rem;
	color: #333;
	margin: 0;
	padding: 0;
	margin-bottom: 3px;
}
.con-center {
	max-width: 1000px;
	width: 100%;
	margin: 0 auto;
	padding: 40px;
	padding-bottom: 0;
}
.con-bottom {
	width: 100%;
	height: 30px;
}
.notes {
	padding: 10px 0;
	color: #ccc;
	border-bottom: 1px #eee solid;
	margin-bottom: 15px;
	padding-bottom: 10px;
}
.notes a {
	color: #ccc;
	margin-right: 20px;
}
.con-content {
	margin-bottom: 40px;
}
.con-content img {
	margin: 10px 0;
}
.con-content video {
	width: 100%;
	margin: 10px 0;
}
.con-content p {
	max-width: 540px;
	margin: 10px auto;
	line-height: 24px;
	color: #333;
	font-size:14px;
}
.social-icons-wrap {
	#background: #ddd;
    position: relative;
    padding-top: 25px;
    overflow: hidden;
    z-index: 1000;
}
.social-icons-wrap ul {
    margin: 0;
    padding: 0;
}
.social-icons-wrap li {
    float: left;
    margin-right: 25px;
    list-style: none;
}
.social-icons-wrap li p {
    cursor: pointer;
    width: 100%;
    height: 100%;
}
.social-icons-wrap li img {
    width: 18px;
    height: 16px;
}
.social-icons-wrap li:nth-child(4) img {
    width: 11px;
    height: 15px;
}
.social-icons-top {
	position: fixed;
	bottom: 220px;
}
.social-icons-top a {
	width: 100%;
}
.social-icons-top a, .social-icons-bottom a {
	color: #999;
}
.social-icons-bottom {
	display: none;
}
@media only screen and (min-width: 1400px) {
	.social-icons-wrap {
	    position: fixed;
	    top: 220px;
	    right: 0;
	    border: 0;
	    padding: 0;
	}
	.social-icons-wrap li {
	    float: none;
	    width: 50px;
	    height: 50px;
	    border-radius: 50px;
	    margin-right: 21px;
	    background: #fff;
	    position: relative;
	    margin-bottom: 10px;
	}
	.social-icons-wrap li img {
	    position: absolute;
	    top: 50%;
	    left: 50%;
	    margin-top: -8px;
	    margin-left: -8px;
	}
	.social-icons-wrap li:nth-child(4) img {
		margin-left: -5.5px;
	}
}
@media only screen and (max-width: 1400px) {
	.con-center {
		padding: 40px 0;
	}
	.con-center h3, .con-content p, .social-icons-wrap {
		padding: 0;
	}
	.social-icons-wrap {
		padding: 0 20px;
	}
	.social-icons-wrap {
		padding-top: 25px;
		background: #fff;
	}
	.social-icons-wrap ul {
		width: 165px;
		margin: 0 auto;
	}
}
@media only screen and (max-width: 1020px) {
	.con-center h3, .con-content p, .social-icons-wrap {
		padding: 0 20px;
	}
	.social-icons-wrap {
		padding-top: 25px;
	}
}
@media only screen and (max-width: 800px) {
	.social-icons-top {
		display: none;
	}
	.social-icons-bottom {
		display: block;
		text-align: right;
		color: #999;
		background: #fff;
		font-size: 16px;
	}
}
footer {
	color: #555;
	line-height: 3rem;
}