html, body {
    -ms-touch-action: none;
    background: #888888;
    padding: 0;
    margin: 0;
    border: 0;
    width:100%;
    height: 100%;
    overflow: hidden;
}

/* 背景图 */
 #bg{
    width: 100%;
    height: 100%;
    vertical-align: middle;
    text-align: center;
    position: relative;
}
#bg_img{
    width: 100%;
    height: 100%;
    object-fit: cover;
    object-position: center;
}
/* 遮罩层 */
#bg2{
    display: none;
    width: 100%;
    height: 100%;
    background-image:url('../images/mask.jpg');
    background-size:100% 100%;
    background-position: center center;
    background-repeat: no-repeat;
    position: absolute;
    top:0;
    left: 0;
}
#apple_bg{
    display: none;
}
/* 下载按钮 */
#download_url{
    display: inline-block;
    position: absolute;
    top: 35%;
    left: 0; 
    right: 0;
    vertical-align: middle;
    cursor: inherit;
    text-decoration:none;
    animation: jump 1s linear infinite;
}

#play{
    display: inline-block;
    position: absolute;
    top: 55%;
    left: 0; 
    right: 0;
    vertical-align: middle;
    cursor: inherit;
    text-decoration:none;
    animation: jump 1s linear infinite;
}

#qrcode{
    display: inline-block;
    position: absolute;
    top: 30%;
    left: 0; 
    right: 0;
    vertical-align: middle;
    cursor: inherit;
    text-decoration:none;
}

@keyframes jump{
    0%{
        transform: scale(0.6,0.6);
        opacity: 1;
    }
    25%{
        transform: scale(0.3,0.3);
        opacity: 0.8;
    }
    100%{
        transform: scale(0.6,0.6);
        opacity: 1;
    }
}

.spinner {
    margin: 100px auto;
    width: 40px;
    height: 40px;
    position: relative;
}

.container1 > div, .container2 > div, .container3 > div {
    width: 10px;
    height: 10px;
    background-color: greenyellow;

    border-radius: 100%;
    position: absolute;
    -webkit-animation: bouncedelay 1.2s infinite ease-in-out;
    animation: bouncedelay 1.2s infinite ease-in-out;
    -webkit-animation-fill-mode: both;
    animation-fill-mode: both;
}

.spinner .spinner-container {
    position: absolute;
    width: 100%;
    height: 100%;
}

.container2 {
    -webkit-transform: rotateZ(45deg);
    transform: rotateZ(45deg);
}

.container3 {
    -webkit-transform: rotateZ(90deg);
    transform: rotateZ(90deg);
}

.circle1 { top: 0; left: 0; }
.circle2 { top: 0; right: 0; }
.circle3 { right: 0; bottom: 0; }
.circle4 { left: 0; bottom: 0; }

.container2 .circle1 {
    -webkit-animation-delay: -1.1s;
    animation-delay: -1.1s;
}

.container3 .circle1 {
    -webkit-animation-delay: -1.0s;
    animation-delay: -1.0s;
}

.container1 .circle2 {
    -webkit-animation-delay: -0.9s;
    animation-delay: -0.9s;
}

.container2 .circle2 {
    -webkit-animation-delay: -0.8s;
    animation-delay: -0.8s;
}

.container3 .circle2 {
    -webkit-animation-delay: -0.7s;
    animation-delay: -0.7s;
}

.container1 .circle3 {
    -webkit-animation-delay: -0.6s;
    animation-delay: -0.6s;
}

.container2 .circle3 {
    -webkit-animation-delay: -0.5s;
    animation-delay: -0.5s;
}

.container3 .circle3 {
    -webkit-animation-delay: -0.4s;
    animation-delay: -0.4s;
}

.container1 .circle4 {
    -webkit-animation-delay: -0.3s;
    animation-delay: -0.3s;
}

.container2 .circle4 {
    -webkit-animation-delay: -0.2s;
    animation-delay: -0.2s;
}

.container3 .circle4 {
    -webkit-animation-delay: -0.1s;
    animation-delay: -0.1s;
}

@-webkit-keyframes bouncedelay {
    0%, 80%, 100% { -webkit-transform: scale(0.0) }
    40% { -webkit-transform: scale(1.0) }
}

@keyframes bouncedelay {
    0%, 80%, 100% {
        transform: scale(0.0);
        -webkit-transform: scale(0.0);
    } 40% {
        transform: scale(1.0);
        -webkit-transform: scale(1.0);
    }
}
#loading{
	position: absolute;
	top:  50%;
	left: 45%;
	display: none;
}