.daohang {
	width: 1920px;
	height: 60px;
	left: 50%;
	margin-left: -960px;
	overflow: hidden;
	position: relative;
	background: url(../image/daohang.jpg) no-repeat center;
	background-position-x: center;
	background-position-y: center;
	background-position: 0px -0px;
}
#downloaddh {
	width: 1400px;
	height: 51px;
	position: absolute;
	top: -5px;
	left: 50%;
	margin-left: 280px;
	z-index: 1500;
}
#downloaddha {
	float: left;
	width: 1400px;
	height: 51px;
	overflow: hidden;
	margin-right: 20px;
	margin-top: 10px;
}
#downloaddha .btn_downa {
	float: left;
	width: 110px;
	height: 51px;
	position: relative;
	text-indent: -9999em;
	background: url(../image/d1.png) no-repeat left bottom;
	display: block;
}
#downloaddha .btn_downa:hover {
	text-decoration: none;
	background: url(../image/d1.png) no-repeat left top;
}
#downloaddha .btn_downb {
	float: left;
	width: 110px;
	height: 51px;
	position: relative;
	text-indent: -9999em;
	background: url(../image/d2.png) no-repeat left bottom;
	display: block;
	margin-left: 20px;
}
#downloaddha .btn_downb:hover {
	text-decoration: none;
	background: url(../image/d2.png) no-repeat left top;
}
#downloaddha .btn_downc {
	float: left;
	width: 110px;
	height: 51px;
	position: relative;
	text-indent: -9999em;
	background: url(../image/d3.png) no-repeat left bottom;
	display: block;
	margin-left: 20px;
}
#downloaddha .btn_downc:hover {
	text-decoration: none;
	background: url(../image/d3.png) no-repeat left top;
}
#downloaddha .btn_downd {
	float: left;
	width: 110px;
	height: 51px;
	position: relative;
	text-indent: -9999em;
	background: url(../image/d4.png) no-repeat left bottom;
	display: block;
	margin-left: 20px;
}
#downloaddha .btn_downd:hover {
	text-decoration: none;
	background: url(../image/d4.png) no-repeat left top;
}

#Download {
	width: 764px;
	height: 172px;
	text-align: center;
	position: absolute;
	
	left: 50%;
	margin-left: -396px;
	z-index: 5100;
	border-radius: 5px;
	background: url("../image/918psdown.png") no-repeat left top;
}
#Download .btn_down_s1 {
	float: left;
	width: 240px;
	height: 87px;
	text-indent: -999em;
	margin-left: 107px;
	margin-top: 43px;
}
#Download .btn_down_s2 {
	float: left;
	width: 99px;
	height: 91px;
	text-indent: -999em;
	margin-left: -10px;
	margin-top: 39px;
}
#Download .btn_down_s3 {
	float: left;
	width: 99px;
	height: 101px;
	text-indent: -999em;
	margin-left: 4px;
	margin-top: 35px;
}
#Download .btn_down_s4 {
	float: left;
	width: 99px;
	height: 89px;
	text-indent: -999em;
	margin-left: 4px;
	margin-top: 42px;
}

#Version {
	width: 100%;
	height: 1010px;
	position: relative;
	overflow: hidden;
	z-index: -3;
}
#guodu {
	width: 1920px;
	height: 1010px;
	position: absolute;
	left: 50%;
	z-index: 3;
	margin-left: -960px;
	background: url() no-repeat center bottom;
}
#Flash {
	width: 1920px;
	height: 1010px;
	position: absolute;
	left: 50%;
	margin: 0px auto -272px -960px;
	z-index: -1;
}
#Header {
	margin: 0 auto -290px -960px;
	width: 1920px;
	height: 1010px;
	position: absolute;
	left: 50%;
	z-index: -2;
	line-height: 0px;
}

.zhuangbeishow {
	width: 659px;
	height: 345px;
	margin: 0px auto;
	position: absolute;
	top: 100px;
	left: 100px;
	z-index: 996;
}
.zhuangbei_ul {
}
.zhuangbei_ul li {
	width: 0px;
	height: 0px;
	float: left;
	margin-top: 0px;
	margin-right: 2px;
}
.zhuangbei_ul .container-item {
	width: 118px;
	height: 104px;
	background: url();
}
.zhuangbei_ul .container-item img {
	padding-top: 30px;
	padding-left: 38px;
}

.preview {
	z-index: 999;
	position: absolute;
}
.zhuangbei_ul .container-item .shine {
	position: absolute;
	background-image: url(../image/icon_shine.png);
	background-repeat: no-repeat;
	top: 30px;
	left: 38px;
	width: 42px;
	height: 42px;
	background-position: -99px 0;
	-webkit-animation: shine 3s infinite;
	animation: shine 3s infinite;
	z-index: 1;
}
.fixed-size-image {
	width: 42px;
	height: 42px;
}
.zhuangbei_ul .container-item:hover .shine {
	background-image: none;
}

@-webkit-keyframes shine {
	0% {
		background-position: -99px 0;
	}
	100% {
		background-position: 99px 0;
	}
}

@keyframes shine {
	0% {
		background-position: -99px 0;
	}
	100% {
		background-position: 99px 0;
	}
}

#sb_01 {
	width: 1130px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 183px;
	left: 135px;
}
#sb_01 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_02 {
	width: 768px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 689px;
	left: 800px;
}
#sb_02 li {
	width: 74.5px;
	height: 116px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_03 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1010px;
	left: 615px;
}
#sb_03 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_04 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1238px;
	left: 65px;
}
#sb_04 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_05 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1238px;
	left: 612px;
}
#sb_05 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_06 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1238px;
	left: 1157px;
}
#sb_06 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_07 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1388px;
	left: 65px;
}
#sb_07 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_08 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1388px;
	left: 612px;
}
#sb_08 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_09 {
	width: 480px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1388px;
	left: 1157px;
}
#sb_09 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_010 {
	width: 550px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1568px;
	left: 259px;
}
#sb_010 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_011 {
	width: 550px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1568px;
	left: 880px;
}
#sb_011 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

#sb_012 {
	width: 1300px;
	height: 340px;
	margin: 0px auto;
	position: absolute;
	top: 1740px;
	left: 207px;
}
#sb_012 li {
	width: 74.5px;
	height: 119px;
	float: left;
	margin-top: 0px;
	margin-left: 0px;
	margin-right: 0px;
	display: inline-block;
	position: relative;
}

.jsmg {
	width: 1920px;
	left: 50%;
	margin-left: -960px;
	position: relative;
	background: url(../image/918ps.png) no-repeat center;
	background-position-x: center;
	background-position-y: center;
	background-position: 0px 0px;
	margin-top: -0px;
	z-index: 3;
}

.jsmg_02 {
	width: 1920px;
	height: 1200px;
}
.jsmg_03 {
	width: 1920px;
	height: 750px;
}
.jsmg_04 {
	width: 1920px;
	height: 1000px;
}
.jsmg_05 {
	width: 1920px;
	height: 800px;
}
.jsmg_06 {
	width: 1920px;
	height: 2000px;
}
.jsmg_07 {
	width: 1920px;
	height: 1400px;
}
.jsmg_08 {
	width: 1920px;
	height: 1230px;
}
.jsmg_09 {
	width: 1920px;
	height: 1100px;
}
.jsmg_10 {
	width: 1920px;
	height: 1100px;
}

.jsmg_02 .jsshow {
	position: absolute;
	z-index: 2;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_03 .jsshow {
	position: absolute;
	z-index: 3;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_04 .jsshow {
	position: absolute;
	z-index: 4;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_05 .jsshow {
	position: absolute;
	z-index: 5;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_06 .jsshow {
	position: absolute;
	z-index: 6;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_07 .jsshow {
	position: absolute;
	z-index: 7;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_08 .jsshow {
	position: absolute;
	z-index: 8;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_09 .jsshow {
	position: absolute;
	z-index: 9;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}
.jsmg_10 .jsshow {
	position: absolute;
	z-index: 10;
	padding-top: 0px;
	left: 50%;
	margin-left: -960px;
}

.jsmg_02 .mkbg {
	width: 1920px;
	height: 1280px;
	background: url(../image/sx.png) no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 0px;
	z-index: 0;
}
.jsmg_03 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 0px;
	z-index: 0;
}
.jsmg_04 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 0px;
	z-index: 0;
}
.jsmg_05 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 100px;
	z-index: 0;
}
.jsmg_06 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 150px;
	z-index: 0;
}
.jsmg_07 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 0px;
	z-index: 0;
}
.jsmg_08 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 100px;
	z-index: 0;
}
.jsmg_09 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 100px;
	z-index: 0;
}
.jsmg_10 .mkbg {
	width: 1920px;
	height: 0px;
	background: url() no-repeat;
	position: absolute;
	left: 50%;
	margin-left: -960px;
	margin-top: 100px;
	z-index: 0;
}

.jsmg_02 .role {
	width: 850px;
	height: 0px;
	background: url() no-repeat left top;
	animation: light_1 3s linear infinite;
	z-index: 2;
	margin-top: 0px;
	margin-left: 80px;
}

.js_bt {
	width: 1000px;
	height: 180px;
	text-indent: -99em;
	overflow: hidden;
	margin: auto auto 10px;
	background: url(../image/jsbt.png) left top no-repeat;
	position: absolute;
	z-index: 5;
}
.jsmg_02 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px 0px;
	margin-left: 460px;
}
.jsmg_03 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -180px;
	margin-left: 460px;
}
.jsmg_04 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -360px;
	margin-left: 460px;
}
.jsmg_05 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -540px;
	margin-left: 460px;
}
.jsmg_06 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -720px;
	margin-left: 460px;
}
.jsmg_07 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -900px;
	margin-left: 460px;
}
.jsmg_08 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -1010px;
	margin-left: 460px;
}
.jsmg_09 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -833px;
	margin-left: 460px;
}
.jsmg_10 .js_bt.icon {
	margin-bottom: 0px;
	background-position: 0px -1260px;
	margin-left: 460px;
}
.bg_01 {
	width: 1920px;
	height: 142px;
	left: 50%;
	margin-left: -960px;
	overflow: hidden;
	position: relative;
	background: url() no-repeat center;
	background-position-x: center;
	background-position-y: center;
	background-position: 0px -0px;
}
.bg_02 {
	width: 1920px;
	height: 877px;
	left: 50%;
	margin-left: -960px;
	overflow: hidden;
	position: relative;
	background: url() no-repeat center;
	background-position-x: center;
	background-position-y: center;
	background-position: 0px -0px;
}

@keyframes light_1 {
	50% {
		transform: translatey(-15px) scale(1.005);
		opacity: 1;
	}
	100% {
		transform: translatey(0px) scale(1);
		opacity: 1;
	}
}

.pview {
	position: relative;
	display: block;
	margin: 0 auto;
	width: 1600px;
	top: 220px;
	left: 200px;
}
.items {
	display: block;
	position: absolute;
	top: 0px;
	left: 0px;
}
.items a {
	display: block;
	float: left;
	width: 108px;
	height: 108px;
	background: url() left top no-repeat;
	margin-right: 50px;
	margin-bottom: 60px;
	text-align: center;
}
.items a:nth-child(10n) {
	margin-right: 0px;
}
.items a img {
	display: inline-block;
	margin: 30px;
	padding: 0;
	border: 0;
}

#preview {
	position: absolute;
	border: 1px solid #614635;
	background: #3c2116;
	padding: 5px;
	display: none;
	color: #fff;
	z-index: 200;
}

.NewsList {
	margin: 0 18px;
	width: 800px;
	height: 506px;
	position: absolute;
	top: 210px;
	margin-left: 690px;
	transition: all 0.1s linear;
}
.NewsList li:hover {
	transform: translatex(5px);
	background-color: #f5f1e7;
}
.NewsList li {
	width: 800px;
	height: 62px;
	line-height: 65px;
	overflow: hidden;
	color: #7d200d;
	padding-right: 8px;
	border-bottom: 1px dotted #7d200d;
	font-size: 16px;
	list-style: none;
}
.NewsList li a {
	margin-left: 5px;
	color: #7d200d;
}

#Layer2 {
	position: absolute;
	width: 1018px;
	height: 565px;
	z-index: 2;
	left: 450px;
	top: 80px;
}
#Layer4 {
	position: absolute;
	width: 1920px;
	height: 132px;
	z-index: 2;
	left: 50%;
	margin-left: -960px;
	background-image: url(../image/bj_07.jpg);
	background-repeat: no-repeat;
}

#Layer5 {
	position: absolute;
	width: 700px;
	height: 90px;
	z-index: 1;
	left: 777px;
	top: 24px;
}

#Floatingbar {
	width: 157px;
	position: fixed;
	top: 50%;
	right: 0px;
	margin-top: -150px;
	background-color: #e5e5e5;
	box-shadow: 0 3px 14px rgba(0, 0, 0, 0.4);
	z-index: 150000;
	font-size: 12px;
	background-color: #ffffff;
	font-family: "Microsoft YaHei";
}
#Floatingbar .ewm {
	padding: 22px 0 15px;
	line-height: 24px;
	text-align: center;
	color: #fff;
	background-color: #333333;
}
#Floatingbar .ewm img {
	width: 117px;
	height: 117px;
	margin: 0 auto;
	display: block;
}
#Floatingbar ul {
	padding: 14px 0;
	background: url() no-repeat center bottom;
	list-style-type: none;
	background-color: #333333;
	color: white;
}
#Floatingbar ul li {
	height: 22px;
	line-height: 22px;
	text-align: center;
	margin-bottom: 7px;
	cursor: pointer;
}
#Floatingbar ul li a {
	color: white;
}
#Floatingbar ul li a:hover {
	color: white;
}
#Floatingbar ul li img {
	margin-left: 5px;
	vertical-align: middle;
}
#Floatingbar .btn_backtop {
	height: 31px;
	line-height: 31px;
	text-align: center;
	color: #fff;
	background-color: #676767;
	display: block;
}
#Floatingbar .btn_backtop:hover {
	background-color: #507129;
}
#Floatingbar .btn {
	width: 15px;
	height: 130px;
	position: absolute;
	top: 23px;
	left: -15px;
	background: url() no-repeat right top;
	cursor: pointer;
}
#Floatingbar .btn.change {
	background-position: left top;
}

.PartTitle2 {
	padding: 14px 0 14px 38px;
	height: 35px;
	line-height: 35px;
	position: relative;
	font-size: 19px;
	font-weight: normal;
	color: #ffe9c1;
	background: url(../image/icon_.png) no-repeat left center;
	border-bottom: 1px solid #edd8b4;
}
.zb_zb {
	width: 1350px;
	height: auto;
	overflow: hidden;
	margin: 0 auto;
	padding: 10px 00px 00px 00px;
	padding-top: 10px;
	padding-top: 10px;
	padding-bottom: 10px;
}
.ml10 {
	margin-left: 10px;
}
.zb_zb_3bg {
	padding: 10px 10px 10px;
	width: 423px;
	height: auto;
	overflow: hidden;
	float: left;
	background-color: #980f0a;
	position: relative;
	margin-top: 10px;
}
.zb_zb_3 {
	padding: 10px 10px 10px 10px;
	width: 403px;
	height: auto;
	overflow: hidden;
	float: left;
	position: relative;
	overflow: hidden;
	background-color: #200704;
	box-shadow: 0 0px 14px rgba(0, 0, 0, 100.3) inset;
}
.zb_zb_33 {
	padding: 5px 5px 5px 5px;
}

.zb_zb_2bg {
	padding: 10px 10px 10px;
	width: 650px;
	height: auto;
	overflow: hidden;
	float: left;
	background-color: #340d0b;
	position: relative;
}
.zb_zb_2 {
	padding: 10px 10px 10px 10px;
	width: 630px;
	height: auto;
	overflow: hidden;
	float: left;
	position: relative;
	overflow: hidden;
	background-color: #3c2c0e;
	box-shadow: 0 0px 14px rgba(0, 0, 0, 100.3) inset;
}

.zb_zb_1bg {
	padding: 10px 10px 10px;
	width: 1330px;
	height: auto;
	overflow: hidden;
	float: left;
	background-color: #980f0a;
	position: relative;
	margin-top: 10px;
}
.zb_zb_1 {
	padding: 10px 10px 10px 10px;
	width: 1310px;
	height: auto;
	overflow: hidden;
	float: left;
	position: relative;
	overflow: hidden;
	background-color: #200704;
	box-shadow: 0 0px 14px rgba(0, 0, 0, 100.3) inset;
}
.zb_zb_11 {
	padding: 5px 5px 5px 5px;
}
.zb_zb_111 {
	background-color: #000000;
}

#music_btn {
	color: #ffffff;
	margin-left: 58px;
}
.slide1 .uls li img {
	transition: all 0.5s;
	object-fit: fill;
}
.slide1 .uls li img:hover {
	transform: scale(1.03);
}
/* - - - - - - - - - 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: #000000 url(../image/body.jpg) 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;
}
p {
	text-decoration: none;
	color: #ffffff;
}
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;
}