body {
    margin: 0 auto;
    width: 100%;
    height: 100%;
    min-height: 100vh;
    max-width: 580px;
    background: white;
}

.header {
    position: fixed;
    z-index: 99;
    top: 0;
    width: 100%;
    max-width: 580px;
}

.header>img {
    width: 100%;
    display: block;
}

.footer {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 99;
    max-width: 580px;
}

.footer>img {
    width: 100%;
    display: block;
}

.content {}

.content img {
    width: 100%;
}

.play-item {
    position: relative;
}

.play-item img {
    width: 100%;
}

.play-item .play-btn {
    display: inline-block;
    width: 50px;
    position: absolute;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
}

#a-download {
    display: none;
}

.zw {
    height: 1.2rem;
}

.mbtn {}

.tips {
    display: none;
    width: 100%;
    text-align: center;
    color: #039;
    font-size: 18px;
    padding: 20px 0px;
}


/*position: fixed; bottom: 10px;*/

.jc {
    display: none;
    position: absolute;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 99;
    color: white;
    background-color: rgb(39, 39, 39);
}

.jc {
    text-align: center;
    padding: 75px 0;
}

.jc img {
    width: 95%;
}

.close {
    position: absolute;
    top: 0px;
    right: 20px;
    font-size: 50px;
    transform: rotate(45deg);
}