.container,body{width:100%;overflow:hidden}*{margin:0;padding:0;box-sizing:border-box}html{width:100%;height:100%;overflow-x:hidden;font-size:10px}body{height:auto;background-image:url(../images/bg.webp);background-color:#241d1a;background-repeat:no-repeat;background-position:top;background-size:100%;font-weight:100}.container{max-width:700px;margin:0 auto 6rem;display:block}.header{margin-top:9%;text-align:center}.header .icon{width:2.52rem;height:2.52rem;vertical-align:top;display:inline-block;background:url(../images/icon.webp) no-repeat;background-size:100% 100%}.header .title-wrap{display:inline-block;line-height:1.2;margin-left:.2rem}.header .title-wrap .title-1{color:#fff;font-weight:700;font-size:1.4rem;text-align:left}.header .title-wrap .title-2{font-size:.7rem;color:#fff;text-align:left}.subtitle-1{width:80%;margin:12% auto 0;text-align:center;color:#fffbf3;font-size:1rem;line-height:1.5rem;font-weight:100}.main-pic{width:18rem;height:16.25rem;display:block;margin:0 auto 10%;background:url(../images/main.webp) no-repeat;background-size:100% 100%}.btn-group{width:100%;text-align:center;background-color:#241d1a;position:fixed;bottom:0}.btn-group .text{height:2rem;padding-top:.4rem}.btn-group .text i{color:#726a67;font-weight:300;font-size:.8rem}.btn-group .btn-update{height:4rem;padding-top:.5rem}.btn-group .btn-update .btn-download{height:2.5rem;background-color:#FF2C33;font-size:.8rem;color:#fff;width:30%;border-radius:5px;border:none}