.vidersetup{
    text-align: center;
}
.vidersetup>div{
    margin: 3rem auto;
    width: 100%;
    max-width: 18rem;
    display: inline-block;
    border: 1px solid #ddd;
    padding: 1rem;
    border-radius: 3px;
}
.night .vidersetup>div{
    background-color: #222;
    border: 1px solid #444;
}
.vidersetup>div>span{
    height: 3.4rem;
    line-height: 3.4rem;
    background-color: #2196f3;
    display: inline-block;
    color: #fff;
    width: 100%;
    font-size: 1.3rem;
    text-align: center;
    border-radius: 6px;
    cursor: pointer;
}
.vidersetup>div>span i{
    font-size: 1.3rem;
    margin-right: 1rem;
}
.vidersetup>div>div{
    margin-top: 1rem;
    text-align: left;
    cursor: pointer;
}
.vidersetup>div>div>label{
    position: relative;
    padding-left: 1.2rem;
    margin-bottom: 1rem;
}

.vidersetup input[type="radio"]{
    display: none;
}

.vidersetup input[type="radio"] + span {
    position: absolute;
    left: 0;
    top: 0px;
    width: 16px;
    height: 16px;
    border: 1px solid #ddd;
    display: inline-block;
    box-sizing: border-box;
    overflow: hidden;
    border-radius: 50%;
}

.vidersetup input[type="radio"]:checked + span{
    border: 1px solid #2196f3;
}
.vidersetup input[type="radio"]:checked + span:after {
    position: absolute;
    left: 2px;
    top: 2px;
    content: ' ';
    width: 10px;
    height: 10px;
    box-sizing: border-box;
    background-color: #2196f3;
    border-radius: 50%;
}

.viderdiv{
    width: 100%;
    max-width: 32rem;
    margin: auto;
    background-color: #000;
    border-radius: 4px;
    overflow: hidden;
    display: none;
}
.viderdiv video{
    width: 100%;
    height: 16rem;
    margin: 0;
    background-color: #000;
    padding: 0.5rem;
    display: block;
}

.noplay{
    background-color: #ff7503 !important;
}

.viderdiv .butdivs{
    text-align: left;
    margin: 0;
    background-color: #000000;
    padding: 0.5rem;
    border: 1px solid #000;
    border-top: 1px solid #444;
    border-radius: 0 0 6px 6px;
}
.viderdiv .butdivs span{
    height: 1.6rem;
    line-height: 1.6rem;
    display: inline-block;
    padding: 0 1rem;
    border-radius: 3px;
    cursor: pointer;
    color: #ccc;
    background-color: #333;
    border: 1px solid #444;
}
.npowers{
    width: 30rem;
    padding: 1rem;
}
.npowers h4{
    height: 1.8rem;
    line-height: 1.8rem;
    padding-left: 0.5rem;
}
.npowers ul{
   
}
.npowers ul li{
    width: 50%;
    float: left;
    padding: 0.5rem;
    display: inline-block;
}
.npowers ul li h5{
    font-size: 0.6rem;
    margin-bottom: 0.5rem;
}
.npowers ul li img{
    width: 100%;
    border: 1px solid #ccc;
}
.night .npowers ul li img{
    opacity: 0.8;
}
.npowers>p{
    font-size: 0.6rem;
    padding-left: 0.5rem;
    margin-top: 0.5rem;
}
@media screen and (max-width: 465px){
    .vidersetup>div{
        margin: 0;
        max-width:100%;
    }
}