*{
    padding: 0;
    margin: 0;
}
body,html {
    width: 100%;
    height: 100%;
}
.page {
    position: absolute;
    top:0;
    width: 100%;
    height: 3930px;
}
.pg {
    position: absolute;
}

.top-title {
    width: 100%;
    height: 136px;
    background: url('../images/1.png') no-repeat;
}
.product {
    top:174px;
    width: 100%;
    height: 1100px;
    background: url('../images/smart.jpg') no-repeat;
}
.product-introduce {
    top:375px;
    width: 100%;
    height: 320px;
  
}
.product-introduce2 {
    top:1490px;
    width: 100%;
    height: 1100px;
    background: url('../images/tv.jpg') no-repeat;
}
.product-introduce3 {
    top:2803px;
    width: 100%;
    height: 1100px;
    background: url('../images/clear.jpg') no-repeat;
}
.product-photo {
    top:727px;
    width: 100%;
    height: 409px;
    
}
.download {
    top:1335px;
    width: 100%;
    height: 63px;
    background: url('../images/5.png') no-repeat;
}
.download2 {
    top:2656px;
    width: 100%;
    height: 63px;
    background: url('../images/5.png') no-repeat;
}

.download3 {
    top:3787px;
    width: 100%;
    height: 63px;
    background: url('../images/5.png') no-repeat;
}
.download-btn {
    width: 225px;
    height: 63px;
}
.ios-btn {
    left: 122px;
}
.android-btn {
    left: 412px;
}
.ios2-btn {
    left: 122px;
}
.android2-btn {
    left: 412px;
}
.ios3-btn {
    left: 122px;
}
.android3-btn {
    left: 412px;
}
.tips {
    width: 100%;
    height: 567px;
    background: url('../images/6.png') no-repeat;
}
.floating {
    position: absolute;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.66);
    display: none;
}