*{-webkit-box-sizing:border-box;box-sizing:border-box;color:#141a26;font-size:0.24rem;font-family:Arial, Helvetica, sans-serif}a{text-decoration:none}body{visibility:hidden;margin:0 auto;max-width:1920px;min-width:1200px}.box-center,header,header nav,section.contact form .input-group{display:-webkit-box;display:-ms-flexbox;display:flex;-webkit-box-align:center;-ms-flex-align:center;align-items:center;-webkit-box-pack:center;-ms-flex-pack:center;justify-content:center}.btn{width:2.5rem;height:0.52rem;cursor:pointer}.btn:hover{-webkit-transform:scale(0.9);transform:scale(0.9)}.btn.top{background:url(../img/btn-contact-top.png) no-repeat center/contain}.btn.bottom{background:url(../img/btn-contact.png) no-repeat center/contain}.title{font-size:0.4rem;font-weight:bold}header{-webkit-box-pack:justify;-ms-flex-pack:justify;justify-content:space-between;padding:0 1.5rem 0 0.8rem;height:0.7rem;background-color:#1681ed}header .logo{width:1.13rem;height:0.42rem;background:url(../img/logo.png) no-repeat center/contain}header .link{color:#fff;font-size:0.18rem;cursor:pointer}header .link:nth-child(2){margin:0 0.36rem}main{height:32.4rem;background:url(../img/bg.png) no-repeat top/contain}section.top{padding:1.18rem 0 0 4.1rem;height:6.5rem}section.top .h1{font-size:0.56rem;font-weight:bold;line-height:0.62rem}section.top .list{margin:0.16rem 0 0.3rem}section.features{padding-top:0.6rem}section.features .h2{margin:0 auto 0.5rem;width:11rem;text-align:center;border-bottom:5px solid #dee3df}section.features .feature{margin-bottom:1rem;height:6.2rem;background:url(../img/bg-1.png) no-repeat top left/contain}section.features .feature .content{padding:1.2rem 0 0 10.7rem}section.features .feature .content .title{margin-bottom:0.3rem}section.features .feature .content .article{line-height:0.38rem}section.features .feature-2{background:url(../img/bg-2.png) no-repeat top right/contain}section.features .feature-2 .content{padding-left:4.1rem}section.contact{padding-top:0.5rem;height:8.01rem;background:url(../img/bg-3.png) no-repeat center/contain}section.contact .title{text-align:center}section.contact .title span{font-weight:500}section.contact form{margin:0.32rem auto 0;padding-top:0.5rem;width:8.5rem}section.contact form input,section.contact form textarea{padding-left:0.25rem;border-radius:10px;border:solid 1px #adadad;font-size:0.18rem}section.contact form .input-group input{margin-bottom:0.1rem;width:4.75rem;height:0.6rem}section.contact form .input-group input:nth-child(1){margin-right:0.1rem;width:2.65rem}section.contact form #remark{display:block;margin:0 auto 1rem;padding-top:0.3rem;width:7.5rem;height:2.1rem}section.contact form .btn{display:block;margin:0 auto;border:none}footer p{margin:0;font-size:0.18rem;text-align:center}footer p:first-child{margin:0.6rem 0 0.2rem}