.support{margin-bottom:90px}.support .select{margin:40px 0 90px}.support .select .name{font-size:16px;margin-bottom:12px}.support .select .li{width:calc(50% - 15px)}.support .select select{outline:none;width:100%;padding:15px 35px 15px 20px;border:1px solid #E1E1E1;color:var(--text-one);font-size:16px;position:relative;appearance:none;-moz-appearance:none;-webkit-appearance:none;background-image:url("data:image/svg+xml;charset=UTF-8,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='%23333'%3e%3cpath d='M7 10l5 5 5-5z'/%3e%3c/svg%3e");background-repeat:no-repeat;background-position:right 5px center;background-size:30px}.support .select select option{color:var(--text-one);font-size:16px;padding:10px 20px}.support .tab{border-bottom:1px #eee solid;color:var(--text-two);margin-bottom:60px}.support .tab .li{cursor:pointer;margin:0 35px;line-height:50px}.support .tab .li p{font-size:20px;white-space:nowrap}.support .tab .li span{height:2px;background:var(--second-hover);opacity:0;position:relative;bottom:-1px;width:100%;display:block}.support .tab .li:hover p,.support .tab .active{color:var(--second-hover)}.support .tab .active span{opacity:1}.support .tabcot .item{display:none}.support .tabcot .active{display:flex}.support .tabcot .item .li{width:calc(50% - 15px)}.support .tabcot .item .li .name{width:calc(100% - 40px);background:#F7F9FC;font-size:22px;color:#3d3d3d;font-weight:600;padding:9px 20px}.support .tabcot .item .li .cot{font-size:16px;color:var(--text-one);width:calc(100% - 40px);padding:20px}.support .tabcot .item .li .cot p{margin-bottom:16px;line-height:26px}.support .tabcot .item .videobox{position:relative;width:100%;margin-top:40px}.support .tabcot .item video{width:780px;object-fit:cover}.support .tabcot .item .play{width:65px;height:65px;background:#fff;border-radius:50%;position:absolute;left:calc(50% - 32.5px)}.support .tabcot .item .play .icon{font-size:20px;color:var(--second-hover)}.support .tabcot .item .down{width:100%;margin-top:40px;cursor:pointer}.support .tabcot .item .down .btn{padding:18px 60px;background:var(--second-hover);color:#fff;font-size:18px}.support .tabcot .item .down .btn:hover{background:#24bdc9}.support .tabcot .item .down .desc{font-size:16px;color:var(--text-one);margin-top:16px}@media screen and (max-width:1200px){.support{margin-bottom:60px}.support .tab{margin-bottom:40px}.support .tab .li{margin:0 30px;line-height:40px}.support .tab .li p{font-size:18px}.support .select{margin:40px 0}.support .tabcot .item .li .name{font-size:18px}.support .tabcot .item .down .btn{padding:15px 40px;font-size:16px}}@media screen and (max-width:800px){.support .tabcot .item video{width:100%}}@media screen and (max-width:750px){.support{margin-bottom:30px}.support .tab{margin-bottom:20px}.support .tab .li{margin:0 10px}.support .tab .li p{font-size:14px}.support .select{margin:20px 0;flex-direction:column}.support .select .li{width:100%}.support .select .li:last-child{margin-top:20px}.support .select select{padding:10px;font-size:14px}.support .tabcot .item .li{width:100%}.support .tabcot .item .li .name{font-size:16px;width:calc(100% - 20px);padding:9px 10px}.support .tabcot .item .li .cot{font-size:14px;width:calc(100% - 20px);padding:10px}.support .tabcot .item .videobox,.support .tabcot .item .down{margin-top:20px}.support .tabcot .item .down .btn{padding:10px 40px;font-size:14px}.support .tabcot .item .down .desc{font-size:14px}}