body {
	height: 100vh;
	padding: 0px;
	margin: 0px;
	text-align: center;
	background: black;
	position: relative;
	perspective: 2000px;
	overflow-x: hidden;
}

#loading {
	position: fixed;
	top: 0;
	right: 0;
	bottom: 0;
	left: 0;
	margin: auto;
	width: 300px;
	height: 300px;
	background: url(../png/loading.gif) no-repeat center center;
	background-size: 450px 360px;
}

#center {
	width: 861px;
	margin: 0px auto;
	position: relative;
	top: -2000px;
	transition: transform 3s;
}

.rotate_X {
	transform: rotateX(80deg);
}

#center:hover {
	transform: rotateX(0deg);
}

#nav_img {
	width: 861px;
	height: 0px;
	margin: auto;
	overflow: hidden;
}

#head_k {
	width: 861px;
	height: 50px;
	margin: auto;
	background: black;
}

#header {
	width: 861px;
	height: 73px;
	margin: auto;
	background: url(../png/01.png) no-repeat;
}

#content {
	position: relative;
	width: 861px;
	height: auto;
	margin: auto;
	color: #33b;
	background: url(../png/03.png) repeat-y;
	overflow: hidden;
}

#lr_tel {
	width: 861px;
	height: 51px;
	margin: auto;
	background: url(../png/02.png) no-repeat;
}

#nav {
	width: 861px;
	margin: auto;
	clear: both;
}

#footer {
	width: 861px;
	height: 229px;
	margin: auto;
	background: url(../png/05.png) no-repeat;
}

a {
	text-decoration: none;
	outline: none;
	blr: expression(this.onFocus=this.blur());
	/*IE Remove frame*/
}

a:focus {
	outline: none;
}

/*FF Remove frame*/
area,
a {
	behavior: url(Scripts/sk.htc)
}

a,
img {
	border: 0;
}

#nav {
	height: 316px;
}

#nav span {
	float: left;
}

#nav span a {
	display: block;
	height: 316px;
	overflow: hidden;
	background-repeat: no-repeat;
}

#nav span a:hover {
	background-position: 0px -316px;
}

#nav span a:active {
	background-position: 0 -632px;
}

#nav_a a {
	width: 245px;
	background-image: url(../png/4-1.png);
}

#nav_b a {
	width: 183px;
	background-image: url(../png/4-2.png);
}

#nav_c a {
	width: 183px;
	background-image: url(../png/4-3.png);
}

#nav_d a {
	width: 250px;
	background-image: url(../png/4-4.png);
}

#works_a,
#works_b,
#works_c,
#works_d {
	position: relative;
	bottom: -1500px;
	width: 760px;
	height: 0px;
	margin: 0px auto;
	background: #060680;
	border: 1px solid #0d0d9c;
	overflow: hidden;
}

.kh {
	width: 760px;
	height: 0px;
	display: none;
}

.bt {
	width: 760px;
	height: 30px;
	margin: 10px auto 5px;
	font-size: 14px;
	vertical-align: middle;
	line-height: 30px;
}

.dk {
	width: 760px;
	height: 140px;
}

.xk {
	float: left;
	width: 190px;
	display: block;
}

.tp {
	width: 190px;
	display: block;
}

.smwz {
	width: 190px;
	height: 25px;
	color: #11c;
	font-size: 12px;
	vertical-align: middle;
	line-height: 25px;
}

.dk_190 {
	height: 190px;
}

.dk_220 {
	height: 220px;
}