.download-box-left,.download-box-right,.left,.main-content-left,.main-content-right{float:left}.banner{position:relative;overflow:hidden;width:100%;height:617px;background-color:#fff}
.banner .bannerBG{padding-top:41px;width:1920px;background:url(../download/bannerBG.png) no-repeat;
position:absolute;left:50%;margin-left:-960px}.main-content{width:1037px;margin:0 auto}.main-content-left{margin-right:105px}.main-content-right{padding-top:45px;position:relative;height:456px}.main-content-right h1{font-size:57px;font-weight:500;color:#fff}.download-box{width:452px;height:238px;background:url(../images/downloadBg.png) left top no-repeat;position:absolute;bottom:32px}.download-box-left{width:187px;height:238px;margin-left:25px}.download-box-left img{width:155px;height:155px}.download-box-right{width:240px}.download-box-right a{display:block;margin-bottom:20px}.download-box-title{height:62px;line-height:62px;color:#fff}.page-content{background-color:#fff}.page-content-main{width:1037px;margin:0 auto}
.page-content-main-1,.page-content-main-2,.page-content-main-3,.page-content-main-4,.page-content-main-5{position:relative;height:601px;background:url(../download/step1.jpg) right center no-repeat}

.page-content-main-1 .content-dec,
.page-content-main-2 .content-dec,
.page-content-main-3 .content-dec,
.page-content-main-4 .content-dec,
.page-content-main-5 .content-dec{position:absolute;top:245px;left:50px;text-align:right}

.page-content-main-1 .content-dec-title,
.page-content-main-2 .content-dec-title,
.page-content-main-3 .content-dec-title,
.page-content-main-4 .content-dec-title,
.page-content-main-5 .content-dec-title{font-size:45px;font-weight:600}

.page-content-main-1 .content-dec-p,
.page-content-main-2 .content-dec-p,
.page-content-main-3 .content-dec-p,
.page-content-main-4 .content-dec-p,
.page-content-main-5 .content-dec-p{margin-top:10px;font-size:28px;font-weight:300}

.page-content-main-2{height:645px;background:url(../download/step2.jpg) left center no-repeat}
.page-content-main-2 .content-dec{top:245px;left:650px;text-align:left}
.page-content-main-4 .content-dec{top:245px;left:596px;text-align:left}
.page-content-main-3{height:667px;background:url(../download/step4.jpg) right center no-repeat}
.page-content-main-4{height:667px;background:url(../download/step3.jpg) left center no-repeat}
.page-content-main-5{height:667px;background:url(../download/step5.jpg) right center no-repeat}
.page-content-main-3 .content-dec{top:180px}
.change-div{height:2px;background-image:-webkit-radial-gradient(#e8e8e8,#fff);background-image:radial-gradient(#e8e8e8,#fff)}.bottom-erweima{height:375px;width:100%;background-color:#f7f7f7;padding-top:40px}.bottom-erweima h2{text-align:center;font-size:45px;font-weight:500}.bottom-erweima-img{width:255px;height:255px;margin:20px auto;border:1px solid #d2d2d2;border-radius:3px;text-align:center}.bottom-erweima-img img{margin-top:22px;width:210px;height:210px}


.backindex {
	float: left;
	text-decoration: underline;
}