html {
	font-family: sans-serif;
	-webkit-text-size-adjust: 100%;
	-ms-text-size-adjust: 100%
}
body {
	margin: 0;
	font-family: microsoft yahei,Arial,Helvetica,sans-serif;
}
audio, canvas, progress, video {
	display: inline-block;
	vertical-align: baseline
}
a {
	background-color: transparent;
	color: inherit;
	text-decoration: none
}
a:active, a:hover {
	outline: 0
}
sub, sup {
	position: relative;
	font-size: 75%;
	line-height: 0;
	vertical-align: baseline
}
sup {
	top: -.5em
}
sub {
	bottom: -.25em
}
img {
	border: 0;
	max-width: 100%;
	vertical-align: middle
}
button,  optgroup, textarea {
	-webkit-appearance: none;
	appearance: none;
	-o-appearance: none;
	-moz-appearance: none;
	-ms-appearance: none;
	-webkit-tap-highlight-color: transparent;
	margin: 0;
	font: inherit;
	color: inherit;
	vertical-align: middle
}
button {
	overflow: visible
}
button {
	text-transform: none
}
fieldset {
	padding: .35em .625em .75em;
	margin: 0 2px;
	border: 1px solid silver
}
legend {
	padding: 0;
	border: 0
}
textarea {
	overflow: auto
}
optgroup {
	font-weight: 700
}
table {
	border-spacing: 0;
	border-collapse: collapse
}
td, th {
	padding: 0
}
ul, li {
	list-style: none;
	padding: 0;
	margin: 0
}
.body-content {
	max-width: 1140px;
	margin: 0 auto;
	position: relative
}
.full-content {
	max-width: 1920px;
	margin: 0 auto;
	position: relative;
	overflow: hidden
}
.clear:after {
	clear: both;
	display: block;
	content: ""
}
.pull-left {
	width: auto;
	float: left
}
.pull-right {
	width: auto;
	float: right
}
.t-center {
	text-align: center
}
.contain-img, .cover-img {
	background-position: center center;
	background-repeat: no-repeat;
	background-attachment: scroll
}
.contain-img {
	background-size: contain
}
.cover-img {
	background-size: cover
}