#banner{height: 3.7rem;background: url(../img/phone-know_g3s-banner.png) no-repeat center;background-size: 100% 100%;}
#banner h3{font-weight: normal;color: white;font-size: .2rem;padding: 1.55rem 0 0 0rem;text-align: center;}


#main{height: 21.5rem;}
#main h3{font-size: .2rem;margin: .3rem 0 0 .25rem;}
#main ul{margin-left: .25rem;width: 3.25rem;border-top: 1px solid #b9b9b9;margin-top: .2rem;}
#main ul li{width: 3.25rem;border-bottom: 1px solid #b9b9b9;padding-bottom: .2rem;}
#main ul li h4{padding: .2rem 0 0 0;font-size: .14rem;font-weight: normal;color: #1d1d1b;}
#main ul li p{font-size: .13rem;color: #666666;margin: .12rem 0;}
#main ul li span{font-size: .13rem;color: #666666;}