.pro_main .key_box {
	background: #fff;
	width: 100%;
	text-align: center;
	padding-bottom: 30px;
}

.pro_main .key_box .p1 {
	padding-top: 30px;
	font-size: 28px;
	color: #353535;
}

.pro_main .key_box .p2 {
	padding-top: 23px;
	font-size: 16px;
	color: #8e8e8e;
	line-height: 30px;
}

.pro_main .key_list_box {
	background: #f7f7f7;
	width: 100%;
	height: 626px;
}

.pro_main .key_list_box .in {
	width: 1200px;
	margin: 0 auto;
	position: relative;
	min-height: 517px;
}

.pro_main .key_list_box .key_nav {
	position: absolute;
	top: -14px;
	left: 0;
	width: 238px;
	height: 650px;
	background: #fff;
	border: 1px solid #ececed;
}

.pro_main .key_list_box .key_nav li {}

.pro_main .key_list_box .key_nav li a {
	color: #353535;
	font-size: 16px;
	display: block;
	height: 54px;
	line-height: 54px;
	text-indent: 20px;
}

.pro_main .key_list_box .key_nav li .on {
	color: #e60012;
	background: #fce5e7;
	border-right: 3px solid #e60012;
}

.pro_main .key_list_con {
	padding-left: 272px;
	padding-top: 62px;
}

.pro_main .key_list_con .hd {
	font-size: 22px;
	color: #e60012;
	margin-bottom: 20px;
}

.pro_main .key_list_con .bd p {
	font-size: 14px;
	color: #666;
	margin-bottom: 20px;
	line-height: 24px;
}

.pro_main .key_list_con .bd .p2 {
	font-size: 16px;
	color: #3a3a3a;
	margin-bottom: 52px;
	width: 372px;
	line-height: 24px;
}

.pro_main .key_list_con .ft a {
	display: inline-block;
	margin-right: 25px;
}

.pro_main .key_list_con .ft .btn {
	width: 126px;
	height: 40px;
	line-height: 40px;
	text-align: center;
	border: 1px solid #e00000;
	color: #e00000;
	font-size: 16px;
}

.pro_main .key_list_con .ft .btn:hover {
	background: #ff192b;
	color: #fff;
}

.pro_main .key_list_con .ft .link {
	color: #929292;
	font-size: 16px;
	text-decoration: underline;
}

.pro_main .key_list_con .ft .link:hover {
	color: #ff192b;
}

.pro_main .key_list_con .item {
	display: none;
}

.pro_main .key_list_con .item .ft {
	padding-top: 40px;
}

.pro_main .dev_history {
	background: #ececec;
	width: 100%;
}

.pro_main .dev_history .in {
	width: 1200px;
	margin: 0 auto;
	text-align: center;
	padding: 55px 0 40px;
}

.pro_main .dev_history .in p {
	background: transparent!important;
	margin: 0 auto;
}

.pro_main .dev_history p {
	font-size: 28px;
	color: #4c4c4c;
	margin-bottom: 25px;
}

.pro_main .dev_history .p2 {
	font-size: 16px;
	color: #757575;
	margin-bottom: 34px;
	line-height: 24px;
}

.pro_main .dev_history .img {
	width: 283px;
	position: relative;
	margin: 0 auto;
}

.pro_main .dev_history .img i {
	position: absolute;
	width: 40px;
	height: 40px;
	left: 50%;
	top: 50%;
	margin: -20px 0 0 -20px;
	background: url(../images/i23.png) no-repeat 0 center;
}