html,body,.app{
    width: 100%;
}
html,body {
    height:100%;
    background: linear-gradient(180deg, #292B2B, #1E2020);
}
h1{
    color: #fff;
    text-align: center;
    margin-top: 0.35rem;
}
.app {
    background-image: url("../images/img_download_bg.png");
    background-size: 100% auto;
    background-repeat: no-repeat;
    background-position: center top;
    min-height: 100%;
}
.content{
    width: 100%;
    background-size: 100% auto;
    overflow: hidden;
}

.content .qcnft-log {
    display: block;
    width: 23.5%;
    margin: 0.6rem auto 0;
}
.content .qcnft-banner {
    display: block;
    width: 80%;
    margin: 0.6rem auto 0;
}
.content .bg-img{
    display: block;
    width: 92%;
    margin: 0.35rem auto 0;
}
.content .down{
    display: block;
    margin-top: 0.3rem;
}
.content .down-t {
    margin-top: 0.6rem;
}
.content img.down-t {
    margin-top:1.1rem;
}

.content .testflight {
    margin-top:0.6rem;
}
.content .testflight .down-btn i {
    display: inline-block;
    width: 0.28rem;
    height: 0.28rem;
    background: url("../images/icon_download_test.png") no-repeat center;
    background-size: 100% 100%;
    border-radius: 0.03rem;
    vertical-align: middle;
    margin-right: 0.06rem;
}
#down .down-btn i{
    display: inline-block;
    width: 0.28rem;
    height: 0.28rem;
    background: url("../images/icon_download.png") no-repeat center top;
    background-size: 100% 100%;
    border-radius: 0.03rem;
    vertical-align: middle;
    margin-right: 0.06rem;
}
.share{
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0;
    top: 0;
    background-color: rgba(0,0,0,0.8);
    z-index: 99;
}
.share img{
    width: 100%;
}
.hide{
    display: none;
}

.bg-img{
    width: 100%;
    height: auto;
}
.content .testflight .down-btn {
    width: 56%;
    height: 0.44rem;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(270deg, #777777 0%, #555555 100%);
    border-radius: 0.22rem;
    color: #fff;
    font-size: 0.18rem;
    line-height: 0.44rem;
}

.content .down .down-btn{
    width: 80%;
    height: 0.44rem;
    margin: 0.6rem auto 0 auto;
    text-align: center;
    border-radius: 0.22rem;

    font-weight: 500;
    background: linear-gradient(90deg, #F7AAF0, #0FF8EE);
    color: #1E2020;
    font-size: 0.18rem;
    line-height: 0.44rem;
}


.content .careful{
    margin-top: 5.2%;
}
.content .careful b,.content .careful p,.content .careful span{
    display: block;
    text-align: center;
}
.content .careful b{
    width: 75%;
    margin: 0 auto;
    position: relative;
}
.content .careful b:before, .content .careful b:after {
    content: '';
    position: absolute;
    width: 40%;
    height: 0.01rem;
    top: 50%;
    background-color: rgba(51, 51, 51, 0.6);
}
.content .careful b:before {
    left: 0;
}
.content .careful b:after {
    right: 0;
}
.content .careful b i{
    font-style: normal;
    display: block;
    width: 0.56rem;
    margin: 0 auto;
    font-size: 0.12rem;
    color: rgba(51, 51, 51, 0.6);
}
.content .careful p{
    margin-top: 0.13rem;
}
.content .careful p,.content .careful span {
    color: #ffffff;
}
.content .careful span{
    margin-top: 0.1rem;
}
.content .careful2 span {
    color: #F0692E;
}

.content .testflight {
    margin-top: 0.2rem;
}
.content .testflight .down-btn {
    width: 56%;
    height: 0.44rem;
    margin: 0 auto;
    text-align: center;
    background: linear-gradient(90deg, #0085DE, #27DDC1);
    border-radius: 0.22rem;
    border: 0.02rem solid rgba(255,255,255,0.5);
    color: #fff;
    font-size: 0.18rem;
    line-height: 0.4rem;
}
.content .testflight .down-btn i {
    display: inline-block;
    width: 0.24rem;
    height: 0.24rem;
    background: url("../images/246x0w.png") no-repeat center;
    background-size: 100% 100%;
    border-radius: 0.03rem;
    vertical-align: middle;
    margin-right: 0.06rem;
}