.aboutBox,.servicesBox,.iNorton{
    height:500px;
    background: url("../img/about.jpg") no-repeat center/100% auto;
}
.aboutBox aside,.servicesBox aside{
    width:40%;
    position: relative;
    top:170px;
    left:30%;
}
.aboutBox h3{
    font-size:7em;
    font-weight:bold;
}
.aboutBox p{
    font-size:1.8em;
}
.ltdBox{
    padding:7em 10em;
    font-size:1.8em;
    line-height: 2em;
}
.ltdBox p{
    margin-bottom:1em;
    text-indent: 2em;
} 
.ltdBox ul{
    margin-left:4em;
}
.creTiBox aside{
    display: inline-block;
    width:43%;
    float:left;
    margin:0 3% 8em 3%;
}
.creTiBox aside img{
    width:100%;
}
/* 服务 */
.servicesBox{
    background-image: url("../img/services.jpg");
}
.services{
    padding:6em 8em 6em 12em;
}
.icon-addr{
    font-size: 7em;
    color:dimgrey;
    float: left;
    margin-right:.5em;
}
.services h3{font-size:3em;font-weight:bold;margin-bottom:.2em}
.services p{font-size:1.8em;}
.addrBox{margin:5em auto;}
.addrBox h4{margin-left:230px;font-size:2em}
.addrBox ul{margin:2em 230px;background-color: #f4f1ed;padding:3em 5em;font-size:1.6em;line-height: 2em;border-radius: 10px;}
.servicesLx{display: flex;}
.servicesLx aside{width:26%;margin:5em 3%;text-align: center;background-color: #f4f1ed;border-radius: 10px;padding:2.6em 2em;}
.servicesLx aside .iconfont{color:#999;font-size:6em;margin-bottom:.3em}
.servicesLx aside h4,.servicesLx aside a{font-size:1.8em;color:#666;margin-bottom:.6em}
.iNorton{background-image: url("../img/iNorton.jpg");}
.iNortonTxt{background-color: #feeb29;padding:2em 3em;margin-top:10em;border-radius: 1em;}
.iNortonTxt h3{font-size:3em;font-weight: bold;margin-bottom:.1em}
.iNortonTxt p{font-size: 1.8em;}
.iNortonBox{padding:5em 5%;line-height: 2em;text-indent: 2em;font-size:1.6em}
.iNortonBox p{margin-top:1em}
.iNortonBox h4{margin-top:1em}
.nText{margin:5em 3em;}
.nText h4{font-size:4em;}
.nText p{font-size:1.8em;margin-top:2em;}
.nText h5{font-size:2.5em;margin-top:.5em}
.iNortonLogo{display: flex;margin:5em auto 15em auto;}
.iNortonLogo>div{flex: 0 0 50%;}
.nLogo{background: #feeb29 url("../img/logo0.png") no-repeat center/60% auto;min-height: 400px;border-radius: 3em;}
@media screen and (max-width:1280px) {
    .aboutBox, .servicesBox, .iNorton{background-size:auto 100%;height:400px} 
    .aboutBox aside, .servicesBox aside{width:100%;left:5%;text-shadow: 0 1px 2px 2px #fff;}  
    .ltdBox{padding:4em 0;} 
    .ltdBox ul{margin-left:1em;}
    .services {
        padding: 4em 0;
    }
    .icon-addr {
        font-size: 2.6em;
    }
    .services h3{font-size:2em}
    .addrBox h4{margin-left:0}
    .addrBox ul{margin:2em 0 0 0;padding:2em 1em}
    .servicesLx {
        display: block;
    }
    .servicesLx aside{width:100%;margin:4em 0;}
    .iNortonTxt{margin-top:5em}
    .iNortonBox{padding:2em 2%}
    .iNortonLogo{display: block;margin:2em auto 4em auto}
    .nText {
        margin: 4em 1em;
    }
}