body{color:#fff;font-size:14px;overflow:hidden}.banner{width:1920px;height:500px;padding-top:91px;margin:0 auto;background:url(../images/son/banner.jpg) center;background-size:cover;box-sizing:border-box}@media (max-width:1600px){.banner{width:100%}}.banner .left{width:490px;padding-top:104px}.banner .left .tip{display:flex;align-items:center;margin-bottom:19px}.banner .left .tab{padding:1px 7px;font-size:18px;border-radius:3px;background-color:rgba(38,90,156,1)}.banner .left .tip p{margin-left:10px;color:rgba(204,204,204,1)}h1{font-size:50px;line-height:66px;padding-left:70px;font-weight:400;margin-bottom:10px;position:relative}h2,h3{font-weight:400}h1 img{position:absolute;left:27px;top:23px}.banner .left>p{padding-left:70px;line-height:18px;color:rgba(204,204,204,1)}.main-mb{padding:20px 0 40px;background-color:rgba(245,250,255,1)}.mb-tab-nav{font-size:16px;color:rgba(102,102,102,1)}.mb-tab-nav a{color:rgba(102,102,102,1)}.mb-cont{text-align:center}.mb-cont h2{font-size:26px;margin:55px 0 15px;line-height:34px;color:#3c3c3c}.mb-cont p{color:#7d7b7b}.main-data{padding:70px 0}.main-data img.left{float:left;width:533px;height:300px;display:block;object-fit:cover;margin-right:40px}.main-data .right{float:left;width:604px}.main-data .right>h2{margin:10px 0 15px;font-size:32px;color:#3c3c3c}.main-data .right>p{color:#7d7b7b}.main-data .right .txt-p{margin-top:57px;color:#5b5b5b}.title-box{text-align:center}.h2-title{font-size:32px;line-height:42px;margin-bottom:15px;color:#3c3c3c}.p-title{line-height:18px;color:rgba(125,123,123,1)}.main-scene{padding:64px 0 70px;background-color:rgba(245,250,255,1)}.scene-inner{margin-top:72px}.tab{display:flex;align-items:center;justify-content:center;border-bottom:1px solid rgba(0,0,0,.2)}.tab .tab-item{cursor:pointer;font-size:16px;line-height:21px;margin-right:100px;padding-bottom:30px;color:rgba(91,91,91,.7)}.tab .tab-item:last-of-type{margin-right:0}.tab .tab-item.act{font-size:20px;line-height:26px;color:rgba(43,124,154,1);border-bottom:1px solid rgba(43,124,154,1)}.scene-inner .tab-and{display:none}.scene-inner .tab-and.act{display:block}.scene-inner h3,.scene-inner p{width:604px;text-align:center;margin:0 auto}.scene-inner h3{font-size:24px;color:#3c3c3c;padding:70px 0 15px}.scene-inner p{line-height:18px;color:#7d7b7b;margin-bottom:28px}.scene-inner div>img{width:847px;display:block;margin:0 auto 26px}.scene-inner div>span{display:block;text-align:center;color:rgba(125,123,123,1)}.main-password{padding-top:64px}.pass-img{width:100%;height:688px;margin-top:40px;background:url(../images/son/pass-img.png) center;background-size:cover}.main-project{padding:94px 0}.project-list{margin-top:40px}.project-list .project-item{float:left;width:620px;margin-right:40px;text-align:center}.project-list .project-item:last-of-type{margin-right:0}.project-list .project-item img{width:100%;height:330px;display:block;margin-bottom:20px}.project-list .project-item p{color:rgba(125,123,123,1)}.main-box{padding-bottom:120px}.main-box .container>p{color:rgba(125,123,123,1)}