.top-img{    width: 100%; position: relative;}.gongyi-content{    width: 100%;}.jzgy{    width: 100%;    height: 1124px;    background:url('../images/gonyi/jztx_bg.png') no-repeat center center;}.wid-1200{    width: 1200px;    margin: 0 auto;}.gongyi-content .jzgy .title{    width: 100%;    text-align: center;    padding-top: 70px;}.gongyi-content .jzgy .title p{    color:#ffffff;    font-size:18px;    width: 666px;    margin: 0 auto;    padding: 30px 0 45px 0}.jzgy .img-list li{    float: left;    width: 286px;    overflow: hidden;    margin-right: 15px;    margin-bottom: 15px;}.jzgy .img-list li:nth-child(4n){    margin-right: 0;}.jzgy .img-list li img{    width: 100%;}.jzgy .img-list li .desc{    padding: 20px 10px;    background: #f0ebd4;    color: #333333;    height: 140px;}.jzgy .img-list li h3,p{    width: 100%;}.jzgy .img-list li h3{   text-align: center;    font-size: 18px;    padding-bottom: 14px;}.jzgy .img-list li p{    text-align: left;    font-size: 14px;}/***精选主材***/.gyzl{    width: 100%;    height: 1989px;    background:url('../images/gonyi/jztx_bg02.png') no-repeat center center;}.jxzc .title{    width: 100%;    text-align: center;    padding: 80px 0 64px 0 ;}.img-box{    overflow: hidden;}.fzgy .title{    width: 100%;    text-align: center;    padding: 80px 0 5px 0 ;}.gongyi-content .fzgy .title p{    color:#ffffff;    font-size:18px;    width: 666px;    margin: 0 auto;    padding: 30px 0 45px 0}.fzgy .img-list li{    float: left;    width: 380px;    overflow: hidden;    margin-right: 30px;    margin-bottom: 35px;}.fzgy .img-list li:nth-child(3n){    margin-right: 0;}.fzgy .img-list li img{    width: 100%;}.fzgy .img-list li  .img-content{    background: #FFFFFF;}.fzgy .img-list li  .img-content img{   padding: 0 15px;}.fzgy .img-list li .name{    width: 100%;    text-align: center;    font-size: 24px;    padding: 30px 0;}.fzgy .img-list li .desc{    padding: 20px 15px;    color: #333333;    height: 140px;}.fzgy .img-list li p{    width: 100%;}.fzgy .img-list li h3{    text-align: center;    font-size: 18px;    padding-bottom: 14px;}.fzgy .img-list li p{    text-align: left;    font-size: 14px;    letter-spacing:1px;}.advantage{ height: 525px;    margin-bottom: 80px;}.advantage .title{    width: 100%;    text-align: center;    padding: 80px 0 64px 0 ;}.advantage .img-box-1,.advantage .img-box-2{    width: 100%;    margin: 0 auto;    float: left;}.advantage .img-box-1{    padding:0 192px;}.advantage .img-box-2{    padding:0 270px;}.advantage .img-box-1 li,.advantage .img-box-2 li{    width: 162px;    display: block;    float: left;    border-right: 1px solid #444444;    text-align: center;    margin: 0 auto;}.advantage .img-box-1 li:last-child,.advantage .img-box-2 li:last-child{   border-right: 0;}.advantage .img-box-1 li img,.advantage .img-box-2 li img{    float: left;    text-align: center;    margin: 0 auto;    width: 100%;    height: 95px;    padding: 0 23px;}.advantage .img-box-1 li span,.advantage .img-box-2 li span{    width: 100%;    float: left;    font-size: 18px;    color: #444444;    text-align: center;    margin: 0 auto;}