section h2,section .sub{text-align:center}section .row{width:100%;margin:0;padding:0}.amc-what{max-width:1100px;margin:40px auto}.amc-what .row>div .item{position:relative;background:#f4f4f4;border-radius:8px;min-height:150px;padding:20px 20px 10px;margin-top:10px}.amc-what .row>div .item img{position:absolute;top:0;left:0;height:30px}@media screen and (max-width: 767px){.amc-what .row>div .item{min-height:auto}}.amc-step{max-width:1080px;margin:0 auto}.amc-step .maxw{max-width:1100px}.amc-step .maxw h2{padding:0 20px;margin:50px 0 40px}.amc-step .maxw .step{padding:0 20px}.amc-step .step{text-align:center}.amc-step .step .item{display:inline-block;width:calc(20% - 10px);min-width:180px;margin-right:10px}.amc-step .step .item:last-child{margin-right:0}@media screen and (max-width: 439px){.amc-step .step .item{width:calc(50% - 10px);min-width:148px}}@media screen and (max-width: 356px){.amc-step .step .item{min-width:120px}}.amc-step .step img{width:100%}.amc-step .intro{max-width:1000px;margin:30px auto}.amc-step .intro .amc-tab .tab-head{font-size:18px;font-weight:bold;border-bottom:solid 1px #d2d2d2;text-align:center;margin-bottom:15px}.amc-step .intro .amc-tab .tab-head span{position:relative;display:inline-block;width:33.333333%;height:40px;line-height:40px;cursor:pointer;-webkit-transition:all 300ms ease;transition:all 300ms ease}.amc-step .intro .amc-tab .tab-head span::after{position:absolute;display:inline-block;content:"";width:100%;height:3px;vertical-align:-5px;left:0;bottom:-2px;-webkit-transition:all 300ms ease;transition:all 300ms ease}@media screen and (min-width: 768px){.amc-step .intro .amc-tab .tab-head span:hover{color:#c52b44}.amc-step .intro .amc-tab .tab-head span:hover::after{background:#c52b44}}.amc-step .intro .amc-tab .tab-head span.on{color:#c52b44}.amc-step .intro .amc-tab .tab-head span.on::after{background:#c52b44}.amc-step .intro .amc-tab .tab-cont .item{display:none}.amc-step .intro .amc-tab .tab-cont .item.on{display:block}.amc-step .intro h4{margin:0 0 15px;height:40px;line-height:40px;border-bottom:solid 1px #d2d2d2}.amc-step .intro p{margin:10px 0}.fixedbg{background:url(/img/amc-bg.1994735.png) no-repeat center;background-size:cover}@media screen and (min-width: 768px){.fixedbg{background-attachment:fixed}}.fixedbg .join-amc{color:#fff}.fixedbg .join-amc .max-w{max-width:960px}.fixedbg .join-amc .tab{max-width:960px;margin:0 auto 50px}.fixedbg .join-amc .tab:before{content:'';display:table}.fixedbg .join-amc .tab:after{content:'';display:table;clear:both}.fixedbg .join-amc .tab .list{float:left;width:276px;margin:0;padding:0;text-indent:20px}.fixedbg .join-amc .tab .list li{height:64px;color:#fff;line-height:64px;background:rgba(0,0,0,0);cursor:pointer;-webkit-text-decoration:underline;text-decoration:underline}.fixedbg .join-amc .tab .list li.active{position:relative;background:rgba(0,0,0,.3);-webkit-text-decoration:none;text-decoration:none}.fixedbg .join-amc .tab .cont{width:calc(100% - 276px);float:left;height:256px;background:rgba(0,0,0,.3)}.fixedbg .join-amc .tab .cont .item{display:none;padding:20px}.fixedbg .join-amc .tab .cont .item.active{display:block}.fixedbg .join-amc .tab .cont .item h3{margin:0 0 20px}.fixedbg .join-amc .tab .cont .item p{margin:0 0 10px;line-height:24px;font-weight:300}.fixedbg .join-amc .tab .btn{display:none;position:absolute;width:80px;height:40px;right:2px;bottom:5px}.fixedbg .join-amc .tab .btn>div{width:24px;height:32px;background-size:100% 100%;float:left;margin:0 5px;cursor:pointer}.fixedbg .join-amc .tab .btn .prev{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAABECAMAAADEFod+AAAALVBMVEUAAAA1NTW0tLRXV1f09PTq6ure3t4YGBh5eXn+/v7JycmRkZGjo6MAAABHcEwrmuHyAAAAD3RSTlOAjsWa9ezhhqf+07K7LwDFFuQWAAAAZ0lEQVR42u3SMQ7AIAwEQdtgwEDy/+fmC1s4UiKx9XR3cjr9JDXmSnXqlLnWM90I6iZ1QlrJboelOoud6masZDcEVV0ZVC69clmY7Fy2N2QMKGeCBKMDCY6ZLHdYulwup9NHu2Bywx42uwc5UdZO5wAAAABJRU5ErkJggg==)}.fixedbg .join-amc .tab .btn .next{background-image:url(data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAACgAAABECAMAAADEFod+AAAALVBMVEUAAACoqKhERETq6ur09PQoKCje3t5qamoUFBT+/v7Nzc2MjIy8vLwAAABHcEx+ohjFAAAAD3RSTlOAvpPs9YrhoYX+1bDKLwALymSbAAAAcUlEQVR42u3TSw7AIAhFUVBU/LT7X263cE1s0ibc8ZnxkCj6aJogzAZl4bJaY9I3ZIdSBpU++hQWl2tDKpT6ilxQzg05uMSrQy7BdSbL1BXAHDppVqlz5Dpy3vpwepCzbiGn2Cl1Z58vT4min3TB5IY98HcHJRe3H2IAAAAASUVORK5CYII=)}@media screen and (min-width: 540px)and (max-width: 767px){.fixedbg .join-amc .tab p{font-size:16px !important;line-height:22px !important}}@media screen and (max-width: 374px){.fixedbg .join-amc .tab p{line-height:16px !important}}@media screen and (max-width: 991px){.fixedbg .join-amc .tab{width:100%}.fixedbg .join-amc .tab .list{display:none}.fixedbg .join-amc .tab .cont{position:relative;width:100%;height:294px;overflow-y:auto;overflow-x:hidden}.fixedbg .join-amc .tab .cont .item h3{font-size:20px;margin:0 0 10px}.fixedbg .join-amc .tab .cont .item p{margin:0 0 8px;font-size:14px;line-height:20px}.fixedbg .join-amc .tab .cont .btn{display:block}}@media screen and (min-width: 360px)and (max-width: 374px){.fixedbg .join-amc .tab .item p{line-height:20px !important}}.fixedbg .features{padding:30px 0;background:#fff}.fixedbg .features .maxw{max-width:960px;font-size:14px;margin:0 auto}.fixedbg .features .maxw h2{padding:0 20px;font-size:30px}@media screen and (max-width: 767px){.fixedbg .features .maxw h2{font-size:24px}}.fixedbg .features h4{position:relative;padding-left:14px}.fixedbg .features h4::before{position:absolute;left:0;top:0;bottom:0;display:inline-block;content:"";width:4px;height:100%;background:#c52b44}.fixedbg .features p{color:#686868}.fixedbg .footbar{max-width:1000px;margin:0 auto;text-align:left}.fixedbg .footbar .item{width:50%;float:left}.fixedbg .footbar img{width:80%;max-width:340px}