.smoke_sensor_container{width:1200px;margin:0 auto}.smoke_sensor_sec1{height:990px;background:url("2c4ac7202f70c4f467b2.jpg") center center no-repeat;text-align:center}.smoke_sensor_sec1 h1{font-size:42px;color:#333;text-align:center;margin-bottom:64px;padding-top:215px}.smoke_sensor_sec2{height:934px;background:url("0918bc9d044d35c4dd3a.jpg") center center no-repeat;text-align:center}.smoke_sensor_sec2 h1{padding-top:120px;font-size:36px;line-height:30px;color:#fff}.smoke_sensor_sec2 p{margin-top:48px;font-size:24px;line-height:36px;color:#fff}.smoke_sensor_sec3 h1,.smoke_sensor_sec4 h1{font-size:36px;line-height:45px;font-weight:400}.smoke_sensor_sec3{height:960px;background:url("46a6fef2320f71bb88ed.jpg") center center no-repeat;text-align:center}.smoke_sensor_sec3 h1{padding-top:626px;color:#333}.smoke_sensor_sec4{height:950px;background:url("7cbdd9c02e10022c9848.jpg") center center no-repeat;text-align:center}.smoke_sensor_sec4 h1{padding-top:64px;color:#333}.smoke_sensor_sec4 p{font-size:16px;line-height:24px;color:#333;margin-top:10px}.smoke_sensor_sec5{height:957px;background:url("7f8af5d1a4fdf0af038a.jpg") center center no-repeat;text-align:center}.smoke_sensor_sec5 h1{font-size:36px;font-weight:400;line-height:45px;color:#fff;padding-top:90px}.smoke_sensor_sec5 p{margin-top:40px;font-size:16px;line-height:24px;color:#fff}.smoke_sensor_sec6{height:959px;background:url("bd490f0b98891fddf3f9.jpg") center center no-repeat}.smoke_sensor_sec6 .smoke_sensor_container .txtbox{padding-top:346px;padding-left:660px;color:#333}.smoke_sensor_sec6 .smoke_sensor_container .txtbox h1{font-size:36px;line-height:45px;font-weight:400}.smoke_sensor_sec6 .smoke_sensor_container .txtbox p{margin-top:50px;font-size:18px;line-height:32px}.smoke_sensor_sec7{background-color:#f7f7f7}.smoke_sensor_sec7 h1{font-size:36px;font-weight:400;color:#333;padding-top:120px;text-align:center}.smoke_sensor_sec7 ul>li{width:25%;float:left;padding:170px 0 270px}.smoke_sensor_sec7 ul>li>i{width:146px;height:146px;display:block;margin:0 auto}.smoke_sensor_sec7 ul>li>i.gss7_icon1{background:url("b5e397ef4b43d34322c5.png") center center no-repeat}.smoke_sensor_sec7 ul>li>i.gss7_icon2{background:url("81fdb2b86f6bc379913a.png") center center no-repeat}.smoke_sensor_sec7 ul>li>i.gss7_icon3{background:url("c186a7839877832eb86b.png") center center no-repeat}.smoke_sensor_sec7 ul>li>i.gss7_icon4{background:url("39215d972b9d404ea9ff.png") center center no-repeat}.smoke_sensor_sec8 h1,.smoke_sensor_sec8 ul>li{background:url("9fa4903ff2a94d1bcfcb.png") bottom no-repeat}.smoke_sensor_sec7 ul>li>p{font-size:18px;color:#333;margin-top:40px;text-align:center}.smoke_sensor_sec8{margin-bottom:66px}.smoke_sensor_sec8 h1{padding-top:80px;padding-bottom:50px;text-align:center;font-size:42px;color:#333;font-weight:400}.smoke_sensor_sec8 ul>li{width:100%}.smoke_sensor_sec8 .smoke_sensors_row1 .smoke_sensors_label{padding-left:90px;padding-top:50px;font-size:18px;color:#2f2f2f;float:left}.smoke_sensor_sec8 .smoke_sensors_picbox{float:left;padding-left:326px}.smoke_sensor_sec8 .smoke_sensors_picbox .smoke_sensorsp_pic{display:block;width:143px;height:143px;padding-top:32px;background:url("e44dc1623941a1f98f1e.png") right no-repeat}.smoke_sensor_sec8 .smoke_sensors_picbox .smoke_sensorsp_title{text-align:center;padding-bottom:34px;padding-top:40px;font-size:16px;color:#666}.smoke_sensor_sec8 .smoke_sensors_lf,.smoke_sensor_sec8 .smoke_sensors_rt{float:left;width:506px;height:40px;padding-left:94px;padding-top:13px;padding-bottom:7px}.smoke_sensor_sec8 .smoke_sensors_rt{padding-left:164px;width:436px}.smoke_sensor_sec8 .smoke_sensors_lf .smoke_sensors_label,.smoke_sensor_sec8 .smoke_sensors_rt .smoke_sensors_label{font-size:18px;color:#2f2f2f}