#key {
	background-image: url(../img/about/kv.jpg);
}
#sec1 {
	margin: 135px 0 116px 0;
}
#sec1 h2 {
	margin-bottom: 57px;
}
#sec1 .txt {
	width: 500px;
}
#sec1 .txt li {
	margin-bottom: 35px;
}
#sec1 .txt li:last-of-type {
	margin-bottom: 0;
}
#sec1 .sec1_img {
	position: absolute;
	top: 0;
	right: -300px;
}
#sec2 {
	background: #fff;
	padding: 105px 0 82px 0;
}
#sec2 .fl {
	margin-left: -10px;
}
#sec2 .fr {
	width: 320px;
}
#sec2 .fr .txt {
	width: 204px;
	height: 508px;
	margin-top: 98px;
	float: left;
}
#sec2 .fr h2 {
	float: right;
}
#sec3 {
	background: #fff;
	padding-bottom: 112px;
	color: #000;
}
#sec3 h2 {
	margin-bottom: 60px;
}
#sec3 .detail .fl {
	width: 410px;
	margin-top: 30px;
}
#sec3 .detail .fl .txt {
	margin-bottom: 65px;
}
#sec3 .detail .fl .sec3_img {
	margin-left: -69px;
}
#sec3 .detail .fr {
	width: 510px;
}
#sec3 .detail .fr .btn_link {
	margin-top: 70px;
}
#sec4 {
	background: #434343;
	padding: 117px 0 90px 0;
}
#sec4 .detail {
	margin: 0 0 53px 575px;
	width: 425px;
}
#sec4 .detail .txt {
	width: 214px;
	height: 414px;
	margin: 80px 35px 0 55px;
}
#sec4 .detail .btn_link {
	margin-top: 119px;
	position:relative;
	z-index:3;
}
#sec4 .sec4_img2 {
	margin-right: -117px;
}
#sec4 .sec4_img1 {
	position: absolute;
	top: 0;
	left: -536px;
}
#sec5 {
	padding: 135px 0;
	background-image: url(../img/about/s5_bg.jpg);
	background-position: center top;
	background-repeat: no-repeat;
	background-size: cover;
}
#sec5 .box {
	background: #fff;
	width: 456px;
	padding: 70px 72px 73px 72px;
}
#sec5 .box .txt {
	margin: 42px 0 48px 0;
}
#sec6 {
	position: relative;
	padding-bottom: 157px;
}
#sec6:before {
	content: "";
	position: absolute;
	bottom: 0;
	left: 0;
	/*background: #fff;*/
	width: 100%;
	height: 320px;
}
#sec6 .fl {
	margin: 124px 0 0 0;
}
#sec6 .fr {
	margin: 124px 30px 0 0;
	width: 438px;
}
#sec6 .fr .txt {
	width: 307px;
	height: 535px;
	float: left;
	margin-top: 62px;
}
#sec6 .fr h2 {
	float: right;
}
#sec6 .prof{
	color:#000;
	margin-top: 50px;
}
#sec6 .prof h3{
	font-weight: bold;
	font-size: 18px;;
}
#sec6 .prof th,td{
	border:1px solid #000;
	padding:5px 10px;
}
#sec6 .prof th{
	width:180px;
}
#sec6 .prof td{
	width:790px;
}