/*盘面主体*/
#panmian {
    width: 70vw;
    height: 70vw;
    max-width: 350px;
    max-height: 350px;
    position: relative;
    z-index: 10;
    margin: 0rem auto;
}

#panmian #dazhuanpan {
    width: 100%;
    position: relative;
    z-index: 3
}

#panmian .start_cj {
    position: absolute;
    width: 2.5rem;
    height: 2.5rem;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    margin: auto;
    cursor: pointer;
    background-size: 100%;
    z-index: 4
}

#panmian .zhuanpan-r1 {
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background-size: 100%;
    ;
    z-index: 1
}

#panmian .zhuanpan-r2 {
    position: absolute;
    width: 89%;
    height: 89%;
    left: 0;
    right: 0;
    top: 0;
    bottom: 0;
    margin: auto;
    background-size: 100%;
    ;
    z-index: 2
}