body {
	overflow-y: scroll;
	*overflow-y: auto;
}
body, div, dl, dt, dd, ul, ol, li, h1, h2, h3, h4, h5, h6, pre, code, form, fieldset, legend, input, textarea, p, blockquote, th, td, hr, button, article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
	margin: 0;
	padding: 0;
}
article, aside, details, figcaption, figure, footer, header, hgroup, menu, nav, section {
	display: block;
}
body, button, input, select, textarea, pre {
	font: 12px/1.5 arial, '宋体', tahoma, \5b8b\4f53;
}
input, select, textarea {
	font-size: 100%;
}
th {
	text-align: inherit;
}
fieldset, img {
	border: 0;
}
img {
	vertical-align: top;
}
iframe {
	display: block;
}
abbr, acronym {
	border: 0;
	font-variant: normal;
}
a:focus {
	outline: none;
}
del {
	text-decoration: line-through;
}
address, caption, cite, code, dfn, em, th, var {
	font-style: normal;
	font-weight: 500;
}
ol, ul {
	list-style: none;
}
caption, th {
	text-align: left;
}
h1, h2, h3, h4, h5, h6 {
	font-size: 100%;
	font-weight: 500;
}
.cf:after {
	visibility: hidden;
	display: block;
	font-size: 0;
	content: " ";
	clear: both;
	height: 0;
}
.cf {
	zoom: 1;
}
.fn-hide {
	display: none;
}
.fl {
	float: left;
}
.fr {
	float: right;
}
a {
	color: #333;
	text-decoration: none;
	outline: none;
	blr: expression(this.onFocus=this.blur());
}/* 默认不显示下划线，保持页面简洁 */
a:hover {
	text-decoration: underline;
}
i {
	font-style: normal;
}
input:focus {
	outline: none;
}
.mt10 {
	margin-top: 10px;
}
.mt20 {
	margin-top: 20px;
}
.mt30 {
	margin-top: 30px;
}
.mt40 {
	margin-top: 40px;
}
.mt50 {
	margin-top: 50px;
}