*{padding: 0;margin: 0;list-style: none;}
.center-wrapper{position:relative;top:0;width:1080px;height:100%;margin:0 auto}
.s3t-first{background:url(../../images/airwheel_s3t_wheel.jpg) center no-repeat ;height: 500px;}
.left{float: left;}
.clear-float:after{content: '';display: block;clear: both;}
.s3t-second .left,.s3t-fifth .left,.s3t-sixth .left,.s3t-seventh .left{width: 50%;box-sizing: border-box;padding: 0 15px;}
.img-responsive{display:block;max-width: 100%;margin: auto;}
.s3t-second .left:first-child{text-align: right;padding-right: 10%;padding-top: 20%;}
.s3t-second .left:first-child h2{font-size: 50px;font-weight: 500;line-height: 50px;}
.s3t-second .left:first-child h3{font-size: 24px;font-weight: 500;}
    .s3t-second .left:first-child p span{    color: #c2c2c2;
    font-size: 16px;}
    .s3t-second .left:first-child p{margin-bottom: 20px;}
    .s3t-second .left:first-child a{text-decoration: none;color: #FF913F;padding: 5px 10px;
    border: 2px solid #FF913F; border-radius: 30px;}
    .s3t-third{height: 630px;background-image: url(../../images/Airwheel-s3t-4-1.jpg);
    background-repeat:no-repeat;background-position: center;text-align: center;}
    .s3t-third h1{font-size: 50px;font-weight: 500;}
    .s3t-third h1 span{font-size: 80px; color: #636363;font-weight: 500;}
    .s3t-third h1 span sub{font-size: 20px;    position: relative;font-weight: 500;
    right: 10px;
    bottom: 16px;}
    .s3t-fourth{margin-bottom: 50px;}
    .s3t-fourth li{float: left;text-align: center;width: 33.33%;}
    .s3t-fourth li:before{
    	content: '';
    	display: block;
    	margin: auto;
    	width: 62px;
    	height: 58px;
    	background: url(../../images/Airwheel-s3t-icon.jpg) center no-repeat;
    	margin-bottom: 10px;
    }
    .s3t-fourth li:nth-child(1):before{
    	background-position: 0 8px;
    }
    .s3t-fourth li:nth-child(2):before{
    	width: 34px;
    	background-position: -67px 0;
    }
    .s3t-fourth li:nth-child(3):before{
    	width: 32px;
    	background-position: -108px 0;
    }
    .s3t-fifth{height: 640px;background: url(../../images/Airwheel-s3t-6.jpg) center no-repeat;color: #fff;}
    .s3t-fifth h1{font-size: 44px;font-weight: 500;}
    .s3t-fifth h2{font-size: 30px;margin-bottom: 30px;font-weight: 500;}
    .s3t-fifth p span{    color: #e66126;
    font-size: 32px;margin: 20px 0;display: block;}
    .s3t-fifth p.small{font-size: 12px;}
    .s3t-fifth .left:last-child{padding-top: 100px;}
    .s3t-sixth{text-align: center;padding: 50px 0;}
    .s3t-sixth .left:first-child{padding-top: 60px;}
    .s3t-sixth h1{font-size: 60px;
    color: #636363;font-weight: 500;}
    .s3t-sixth h2{
    	font-size: 24px;
    color: #636363;font-weight: 500;margin-bottom: 10px;
    }
        
    .s3t-sixth h2 b{font-size: 36px;
    background-color: #ff8e29;
    color: #FFF;}
    .s3t-sixth h2 span{
    	color: #c2c2c2;
    font-size: 16px;
    }
.s3t-seventh .left:last-child{padding-top: 10%;}   
.s3t-seventh{padding-bottom: 30px;}     
        

@media only screen and (max-width:1200px ) {
	.center-wrapper{width: 990px;}

}
@media only screen and (max-width: 992px) {
	.center-wrapper{width: 780px;}
	.s3t-sixth .left:first-child{padding-top: 0;}
	.s3t-first{background:url(../../images/airwheel_s3t_wheel-m.jpg) center no-repeat;}
	
}
@media only screen and (max-width: 790px) {
	.center-wrapper{width: 98%;margin: auto;}
	}
	@media only screen and (max-width: 768px) {
.s3t-second .left,.s3t-fifth .left,.s3t-sixth .left,.s3t-seventh .left{width: 100%;}
.s3t-second .left:first-child{padding-top: 10px;padding-right: 0;text-align: center;}
.s3t-third h1{font-size: 30px}
.s3t-third h1 span {
    font-size: 60px;
}
.s3t-third h1 span sub {
    font-size: 14px;
    right: 16px;
    bottom: 13px;
}
p{    font-size: 0.8rem;
    line-height: 20px;}
    .s3t-first{height: 278px;background: url(../../images/airwheel_s3t_wheel-s.jpg) center no-repeat;}
   .s3t-fifth .left:first-child{display: none;}
	}
	@media only screen and (max-width:414px ) {
    .s3t-first{height: 345px;background: url(../../images/airwheel_s3t_wheel-s-m.jpg) center no-repeat;}
		.s3t-third{height:270px ;background: url(../../images/Airwheel-s3t-4-s.jpg) center no-repeat;padding-top:10px ;}
		.s3t-third h1,.s3t-fifth h1,.s3t-fifth h2{font-size: 1rem;
    line-height: 1.2rem;
    margin-bottom: 5px}
    .s3t-third h1 span {
    font-size: 1rem;
}
.s3t-third h1 span sub {
    font-size: .8rem;
    right: 2px;
    bottom: 0;
}
.s3t-fifth p span{font-size: 1.2rem;margin: 8px 0;}
.s3t-fifth .left:last-child{padding-top:10px ;}
	.s3t-fifth{background: url(../../images/Airwheel-s3t-6-s.jpg) center no-repeat;height: 244px;}	
	.s3t-sixth h1{font-size: 30px;}
	.s3t-sixth h2 b{font-size: 20px}
	}