#enterprise{background-color:#f5f6fa;padding:73px 0;}
#enterprise .item{margin:20px 0;}
#enterprise .item .item_sub .title{padding-left:144px;font-size: 18px;font-weight: bold;margin:0;line-height: 50px;}
#enterprise .item:nth-child(1) .item_sub .title{background:url(../../images/index/enterprise1.jpg)50px center no-repeat;background-size: 28px;}
#enterprise .item:nth-child(2) .item_sub .title{background:url(../../images/index/enterprise2.jpg)50px center no-repeat;background-size: 30px;}
#enterprise .item:nth-child(3) .item_sub .title{background:url(../../images/index/enterprise3.jpg)50px center no-repeat;background-size: 25px;}
#enterprise .item:nth-child(4) .item_sub .title{background:url(../../images/index/enterprise4.jpg)50px center no-repeat;background-size: 40px;}
#enterprise .item .item_sub .content{padding-left:144px;line-height: 28px;font-size: 12px;color:#999999;}

#development{padding:87px 0;overflow: hidden;}
#development .development_title{color:#353535;font-size: 20px;margin:37px 0;line-height: 20px;}
#development .development_content{font-size: 12px;line-height: 30px;color:#686868;font-weight: bold;}
#development .development_right{padding-top:94px;}
#development .development_right img{float: right;box-shadow: 130px -90px 0 #4273b5; }

#sales{background:url(../../images/index/sales_bg.jpg)0 0 no-repeat;background-size: cover;background-position: center;height:600px;padding-top:60px;margin-bottom:108px;}
#sales .item .bh{color:#ffffff;font-size: 22px;font-weight: bold;margin-bottom:40px;text-transform: capitalize;}
#sales .item .bb{color:#ffffff;font-size: 18px;line-height: 30px;min-height:210px;}
#sales .item .bf{margin-top:40px;}
#sales .item .bf .am-btn{background:none;color:#ffffff;font-size: 14px;border-color:#ffffff;padding: 7px 36px;}