.navigation-tab dl dd{
    float: left;
 width: 136px;
 padding-left: 30px;;
 }
 .navigation-tab dl{
     float: left;
     width: 360px;
 }
 .navigation-tab dl dt.t2{
     text-indent: 128px;
     background: url(https://www.qihui.com/p/pt_style/css/img/banner-icons1.png) no-repeat 96px -166px !important;
 }
 .navigation-tab dl dt.t1{
     text-indent: 154px;
     background: url(https://www.qihui.com/p/pt_style/css/img/banner-icons2.png) no-repeat 117px -128px !important;
 }
 #sqbg{
     padding-left: 24px;
     box-sizing: border-box;
 }
 #services{
    width: 100%;
    padding: 60px 0;
    background: url(img/me-service-bg.jpg) no-repeat center center;
    background-size: 100% 100%;
 }