.gas_sensor_container{
	width:1200px;
	margin:0 auto
}

.gas_sensor_sec1{
	height:986px;
	background:url(../images/gas_bg_01-434c2e6544.jpg) center center no-repeat;
	text-align:center
}

.gas_sensor_sec1 h1{
	font-size:42px;
	color:#333;
	text-align:center;
	margin-bottom:63px;
	padding-top:172px
}

.gas_sensor_sec2{
	height:935px;
	background:url(../images/gas_bg_02-7f1b5b7d6f.jpg) center center no-repeat;
	text-align:center
}

.gas_sensor_sec2 h1{
	padding-top:360px;
	font-size:36px;
	line-height:30px;
	color:#fff
}

.gas_sensor_sec2 p{
	margin-top:48px;
	font-size:24px;
	line-height:36px;
	color:#fff
}

.gas_sensor_sec3 h1,.gas_sensor_sec4 h1{
	font-size:36px;
	line-height:45px;
	font-weight:400
}

.gas_sensor_sec3{
	height:960px;
	background:url(../images/gas_bg_03-16f2d95966.jpg) center center no-repeat;
	text-align:center
}

.gas_sensor_sec3 h1{
	padding-top:626px;
	color:#333
}

.gas_sensor_sec4{
	height:951px;
	background:url(../images/gas_bg_04-3912665008.jpg) center center no-repeat;
	text-align:center
}

.gas_sensor_sec4 h1{
	padding-top:70px;
	color:#333
}

.gas_sensor_sec4 p{
	font-size:16px;
	line-height:24px;
	color:#333;
	margin-top:10px
}
.gas_sensor_sec5{
	height:959px;
	background:url(../images/gas_bg_05-a4cb64c912.jpg) center center no-repeat;
	text-align:center
}

.gas_sensor_sec5 h1{
	font-size:36px;
	font-weight:400;
	line-height:45px;
	color:#333;
	padding-top:90px
}

.gas_sensor_sec5 p{
	margin-top:40px;
	font-size:16px;
	line-height:24px;
	color:#333
}

.gas_sensor_sec6{
	height:959px;
	background:url(../images/gas_bg_06-59632193ff.jpg) center center no-repeat
}

.gas_sensor_sec6 .gas_sensor_container .txtbox{
	padding-top:346px;
	padding-left:660px;
	color:#333
}

.gas_sensor_sec6 
.gas_sensor_container 
.txtbox h1{font-size:36px;
	line-height:45px;
	font-weight:400
}

.gas_sensor_sec6 .gas_sensor_container .txtbox p{
	margin-top:50px;
	font-size:18px;
	line-height:32px
}

.gas_sensor_sec7{
	background-color:#f7f7f7
}

.gas_sensor_sec7 h1{
	font-size:36px;
	font-weight:400;
	color:#333;
	padding-top:120px;
	text-align:center
}

.gas_sensor_sec7 ul>li{
	width:25%;
	float:left;
	padding:170px 0 270px
}

.gas_sensor_sec7 ul>li>i{
	width:146px;
	height:146px;
	display:block;
	margin:0 auto
}

.gas_sensor_sec7 ul>li>i.gss7_icon1{
	background:url(../images/icon_01-c0815f1d33.png) center center no-repeat
}

.gas_sensor_sec7 ul>li>i.gss7_icon2{
	background:url(../images/icon_02-be6560e6de.png) center center no-repeat
}

.gas_sensor_sec7 ul>li>i.gss7_icon3{
	background:url(../images/icon_03-c9e85d7c84.png) center center no-repeat
}

.gas_sensor_sec7 ul>li>i.gss7_icon4{background:url(../images/icon_04-8d8fb43026.png) center center no-repeat}.gas_sensor_sec8 h1,.gas_sensor_sec8 ul>li{background:url(../images/sp_line-ebf3d5a353.png) bottom no-repeat}.gas_sensor_sec7 ul>li>p{font-size:18px;color:#333;margin-top:40px;text-align:center}.gas_sensor_sec8{margin-bottom:66px}.gas_sensor_sec8 h1{padding-top:80px;padding-bottom:50px;text-align:center;font-size:42px;color:#2f2f2f}.gas_sensor_sec8 ul>li{width:100%}.gas_sensor_sec8 .gas_sensors_row1 .gas_sensors_label{padding-left:90px;padding-top:50px;font-size:18px;color:#2f2f2f;float:left}.gas_sensor_sec8 .gas_sensors_picbox{float:left;padding-left:326px}.gas_sensor_sec8 .gas_sensors_picbox .gas_sensorsp_pic{display:block;width:124px;height:143px;padding-top:32px;background:url(../images/gas_sensor_icon-5a57408469.png) right no-repeat}.gas_sensor_sec8 .gas_sensors_picbox .gas_sensorsp_title{text-align:center;padding-bottom:34px;padding-top:40px;font-size:16px;color:#666}.gas_sensor_sec8 .gas_sensors_lf,.gas_sensor_sec8 .gas_sensors_rt{float:left;width:506px;height:40px;padding-left:94px;padding-top:13px;padding-bottom:7px}.gas_sensor_sec8 .gas_sensors_rt{padding-left:164px;width:436px}.gas_sensor_sec8 .gas_sensors_lf .gas_sensors_label,.gas_sensor_sec8 .gas_sensors_rt .gas_sensors_label{font-size:18px;color:#2f2f2f}