.introduce{
	width: 1100px;
	margin: 0 auto;
	position: relative;
	height: 130px;
}
.introduce p{
	position: absolute;
	top: -53px;
	left: 0;
	height: 120px;
	padding:20px 50px 40px 50px;
	background: url(../images/service2016/adv_service.jpg) center bottom no-repeat #fff;
	font:normal 16px/26px "microsoft yahei";
}
.introduce p b{
	margin-right: 21px;
	font:normal 22px/26px "microsoft yahei";
}
.main{
	width: 1100px;
	margin: 0 auto 40px;
}
.leftNav{
	float: left;
	width: 220px;
}
.leftNav li{
	margin-bottom: 10px;
	float: left;
}
.leftNav li a{
	width: 218px;
	float: left;
	text-align: center;
	background-color: #eeeeee;
	color: #333333;
	height: 48px;
	font:normal 16px/48px "microsoft yahei";
	border: 1px solid #dcdcdc;
}
.leftNav li span{
	font:normal 24px/50px "microsoft yahei";
	color: #fff;
	width: 218px;
	text-align: center;
	background-color: #ff6600;
	float: left;
}
.leftNav li a:hover{
	color: #FF6600;
}
.mainRight{
	float: right;
	width: 840px;
}
.rt_top{
	position: relative;
	height: 50px;
	border-top: 2px solid #dcdcdc;
}
.rt_top h3{
	position: absolute;
	top: -2px;
}
.rt_top h3 a{
	padding: 0 25px;
	display: inline-block;
	background-color: #eeeeee;
	font:normal 16px/50px "microsoft yahei";
}

.rt_top h3 a.on{
	background-color: #FF6600;
	color: #fff;
}
.rt_content{
	margin-top: 20px;
}
.footer {
	background-color: #242a37;
	padding: 40px 0;
	font-family: "Microsoft YaHei";
}
.foot {
	margin: 0 auto;
	overflow: hidden;
	width: 1100px;
}

.foot-nav {
	width: 570px;
	float: left;
}

.foot-txt {
	overflow: hidden;
	padding: 15px 0 0 0;
}

.foot-txt li {
	width: 14%;
	float: left;
	font-size: 14px;
	line-height: 30px;
	height: 30px;
	overflow: hidden;
}

.foot-txt li a {
	color: #999;
}

.foot-txt li a:hover {
	color: #4385f5;
}

.copyright {
	color: #999;
	padding: 15px 0;
	text-align: center;
	background-color: #1b1f29;
	font-size: 14px;
	font-family: "Microsoft YaHei";
}

.copyright a {
	color: #999;
}

.copyright a:hover {
	color: #ff6600;
}

.foot-img {
	overflow: hidden;
	width: calc(100% + 20px);
	background: url('../../../../Images/Index/Version/2020/copyright.png') no-repeat 0 0;
	background-size: auto 100%;
	margin-top: 12px;
}

.foot-img li {
	width: 83px;
	height: 33px;
	float: left;
	margin-right: 8px;
}

.foot-img li a {
	display: block;
	height: 33px;
	color: #333;
	border-radius: 3px;
	overflow: hidden;
}

.police {
	text-align: left;
	color: #888888;
	margin-top: 12px;
	line-height: 20px;
}

.police img {
	display: inline-block;
	margin-right: 10px;
	vertical-align: top;
}

.police a {
	color: #888888;
}

.hot-line {
	width: 293px;
	height: 256px;
	padding-top: 10px;
	float: left;
	margin-left: 200px;
	color: #999;
}

.hot-line i {
	font-size: 66px;

}

.hot-line p {
	font-size: 14px;
	line-height: 28px;
}

.hot-line p a {
	display: inline-block;
	width: 18px;
	height: 21px;
	vertical-align: top;
	margin-top: 3px;
	background: url("https://www.chem17.com/images/Index/2019/main.png") no-repeat 100% -223px;
}

.hot-line span {
	display: block;
	font-size: 13px;
	line-height: 36px;
}

.hot-line>b {
	display: block;
	font-size: 30px;
	color: #fff;
	margin-top: 20px;
}

.qr-code {
	float: right;
	padding-top: 10px;
}

.qr-code li {
	float: left;
	padding: 0 0 0 40px;
}

.foot h2 {
	color: #999;
	font-size: 18px;
	height: 30px;
	font-weight: bold;
}

.foot h2 b {
	border-bottom: 3px solid #387ee8;
	height: 30px;
	display: inline-block;
}

.qr-code h2 {
	padding-left: 40px;
}

.qr-code ul {
	margin-top: 28px;
}

.qr-code li span {
	display: block;
	width: 144px;
	height: 144px;
	background-color: #fff;
}

.qr-code li span img {
	width: 100%;
	height: 100%;
}

.qr-code li p {
	text-align: center;
	font-size: 14px;
	color: #999;
	margin-top: 16px;
}

.foot-nav p {
	font-size: 14px;
	color: #999;
	line-height: 30px;
}

.foot-nav p a {
	color: #999;
}

.foot-nav p a img {
	margin-left: 8px;
}

.foot-nav p a:hover {
	color: #f90;
}

.foot-img {
	overflow: hidden;
	width: calc(100% + 20px);
	background: url('https://www.chem17.com/Images/Index/Version/2020/copyright.png') no-repeat 0 0;
	background-size: auto 100%;
	margin-top: 12px;
}

.foot-img li {
	width: 83px;
	height: 33px;
	float: left;
	margin-right: 8px;
}

.foot-img li a {
	display: block;
	height: 33px;
	color: #333;
	border-radius: 3px;
	overflow: hidden;
}
.foot-nav {
	width: 540px;
}
.foot-img li {
	width: 78px;
	height: 31px;
	margin-right: 7px;
}
.foot-img li a {
	height: 31px;
}
.hot-line {
	width: 235px;
	margin-left: 24px;
}
.qr-code li {
	padding: 0 0 0 30px;
}
.interview--hot ul li {
	margin-top: 12px;
}
.qr-code li span {
	width: 114px;
	height: 114px;
}
.qr-code h2 {
	padding-left: 30px;
}
.hot-line p {
	font-size: 13px;
}