/* - - - - - - - - - 各浏览器样式默认值标准化 - - - - - - - - -*/
html,
body,
span,
object,
iframe,
h1,
h2,
h3,
h4,
h5,
p,
blockquote,
pre,
a,
address,
code,
del,
em,
img,
dl,
dt,
dd,
ol,
ul,
li,
fieldset,
form,
label {
	margin: 0;
	padding: 0;
	border: 0;
	font-style: inherit;
	font-family: inherit;
	vertical-align: baseline;
}
article,
aside,
details,
figcaption,
figure,
footer,
header,
hgroup,
menu,
nav,
section,
summary,
audio,
video {
	margin: 0;
	padding: 0;
	display: block;
}
html {
	-webkit-text-size-adjust: none;
}
img {
	border: none;
	vertical-align: middle;
}
input,
select,
button {
	padding: 0;
	margin: 0;
	outline: none;
	font-family: inherit;
	vertical-align: middle;
}
textarea {
	font-family: inherit;
	padding: 0;
	margin: 0;
}
button {
	cursor: pointer;
}
html {
	overflow-x: hidden;
}
body {
	font-size: 12px;
	background: #100f1d url() repeat-y center top;
	font-family: "Microsoft YaHei";
}
ul,
ol {
	list-style-type: none;
}
h1 {
	font-size: 24px;
}
h2 {
	font-size: 18px;
}
h3,
h4 {
	font-size: 14px;
}
h5 {
	font-size: 12px;
}
i,
em,
address {
	font-style: normal;
}
a {
	text-decoration: none;
	color: #ffffff;
}
a:hover {
	text-decoration: underline;
	transition: color 200ms linear 0s, background-color 200ms linear 0s, border-color 200ms linear 0s;
}
/*鼠标悬停时*/
a:active {
}
/*点击与释放时*/
a:visited {
}
/* 访问过*/ /* - - - - - - - - - 常用类样式 - - - - - - - - -*/
.photo_fullsize img {
	display: block;
	width: 100%;
	height: 100%;
}
/*图片全尺寸*/
.no_bor {
	border: none !important;
}
/*无边框*/
.no_bg {
	background: none !important;
}
/*无背景*/
.clear {
	display: block;
	height: 0;
	line-height: 0;
	overflow: hidden;
	clear: both;
	font-size: 0;
}
/*清除浮动*/
.clear_::after {
	content: "";
	display: block;
	clear: both;
	height: 0;
	line-height: 0;
	overflow: hidden;
}
/*清除浮动*/
.center {
	margin: 0 auto;
	width: 1280px;
}
#centera {
	margin: 0 auto;
	width: 1280px;
}
.center4 {
	margin: 0 auto;
	width: 1280px;
}
/*让内容区块居中*/ /*图片全尺寸*/
.photo,
.photo_fullsize {
	display: block;
	overflow: hidden;
}
.photo img,
.photo_fullsize img {
	display: block;
	width: 100%;
	height: 100%;
}
/*图片自适应尺寸*/
.photo_autosize {
	text-align: center;
	display: block;
	overflow: hidden;
}
.photo_autosize::after {
	height: 100%;
	width: 0;
	overflow: hidden;
	font-size: 0;
	line-height: 0;
	display: inline-block;
	vertical-align: middle;
	content: "";
}
.photo_autosize img {
	max-width: 100%;
	max-height: 100%;
}
/*图片自适应全尺寸*/
.photo_autofullsize {
	overflow: hidden;
	display: block;
	background-size: cover !important;
}
.photo_autofullsize img {
	display: none;
}
#backtop {
	display: none;
	background: url() no-repeat left top;
	cursor: pointer;
	height: 50px;
	width: 50px;
	position: fixed;
	_position: absolute;
	bottom: 20px;
	_top: expression(eval(document.documentElement.scrollTop document.documentElement.clientHeight-this.offsetHeight-(parseInt(this.currentStyle.marginTop, 10) ||0)- (parseInt(this.currentStyle.marginBottom, 10) ||0)));
	_bottom: auto;
	z-index: 11500;
	right: 20px;
}
#backtop:hover {
	background-position: left bottom;
}
