.pub-page .header {
	height: 200px;
	line-height: 80px;
	position: fixed;
	width: 100%;
	top: 0;
	z-index: 11;
	transition: 0.5s all;
	-webkit-transition: 0.5s all;
	background: url(../images/header.jpg) center top repeat;
}

.header .header_avatar {
	width: 30px;
	border-radius: 50%;
	height: 30px;
	overflow: hidden;
	display: block;
	float: left;
	margin-top: 3px;
	margin-left: 5px;
}
.header .header_avatar img {
	display: block;
	max-width: 100%;
}
.header .login a {
	padding: 0 10px 0 10px;
	color: #fff;
}
.header .md-show {
	display: none;
}
.header_scroll {
	transition: 0.4s all;
	-webkit-transition: 0.4s all;
}

.header .mobileMenuBtn.active {
	right: 220px;
}
.header .mobileMenuBtn span {
	display: block;
	width: 100%;
	height: 3px;
	background: #fff;
	margin-bottom: 8px;
	transition: 0.3s all;
	-webkit-transition: 0.3s all;
}
.header .mobileMenuBtn span:last-child {
	margin: 0;
}
.header .mobileMenuBtn span:first-child, .header .mobileMenuBtn span:last-child {
	transform-origin: 100% 50%;
	-webkit-transform-origin: 100% 50%;
	transform: rotate(0);
	-webkit-transform: rotate(0);
}
.header .mobileMenuBtn.active span:first-child {
	transform: rotate(-43deg);
	-webkit-transform: rotate(-43deg);
}
.header .mobileMenuBtn.active span:last-child {
	transform: rotate(43deg);
	-webkit-transform: rotate(43deg);
}
.header .mobileMenuBtn span:nth-child(2) {
	transform: translateX(0);
	-webkit-transform: translateX(0);
}
.header .mobileMenuBtn.active span:nth-child(2) {
	transform: translateX(80px);
	-webkit-transform: translateX(80px);
	opacity: 0;
}
.bd{
	height: 1600px;

}

.page-main img{
	padding-bottom:20px;
}