body{color:#333;background:#fff;width:100vw;margin:0}nav{justify-content:space-between;width:90%;height:1.2rem;margin:auto;font-family:PingFangSC-Semibold,PingFang SC;font-size:.24rem;line-height:.6rem;display:flex}ol,ul,li{list-style:none}a{text-decoration:none}nav ul li a{color:#333;font-weight:400;display:block;position:relative}nav ul li a:hover,.active a{color:#fc003d}nav ul li a:hover:after,.active a:after{content:"";background:#fc003d;border-radius:.2rem;width:100%;height:.03rem;position:absolute;bottom:.1rem;left:50%;transform:translate(-50%)}header{z-index:2;width:100vw;position:fixed;top:0;left:0}.app-info{align-items:center;height:.6rem;margin-top:.2rem;display:flex}.app-info span{font-size:.36rem}#logo{background:url(img_logo.8a938e22.png) 0 0/100% no-repeat;width:.64rem;height:.64rem;margin-right:.08rem}.tab{justify-content:space-between;width:4rem;display:flex}#company-name{color:#fff;font-size:.5rem;font-weight:800;position:absolute;top:1.28rem;right:.2rem}.container{width:19.2rem;height:10.2rem}.container .index{background:url(bg_index.dc6bd017.png) 0 0/100% no-repeat;width:100%;height:100%}.container .introduction{background:url(bg_introduction.a078a783.png) 0 0/100% no-repeat;width:100%;height:100%}.container .about{background:url(bg_about.ec12dcad.png) 0 0/100% no-repeat;width:100%;height:100%}.footer{text-align:center;width:100%;height:.72rem;margin-top:.3rem;font-family:PingFangSC-Regular,PingFang SC;font-size:.13rem;font-weight:400;line-height:.35rem}