/* pc端中间部分 */
.pc-main{
    width: 100%;
    height: calc(100vh - 14rem);
    /* box-shadow: 0px 0px 20px rgb(255, 255, 255); */
    overflow: auto;
    box-sizing: border-box;
    position: relative;
    /* margin: 0 auto; */
    display: flex;
    /* border-radius: 15px; */
    display: flex;
    align-items: center;
}
.pc-main .pc-right{
    box-sizing: border-box;
    width: 100%;
    height: 100%;
    /* border: 10px solid rgb(255, 255, 255); */
    /* box-shadow: 0px 0px 20px rgb(0, 0, 0); */
    background-color: rgb(0, 0, 0);
    opacity:0.7;
    margin: 0 auto;
}
#myCanvas {
    position: absolute;
    top: 0;
    left: 0;
}
/* 移动端中间部分 */
.mob-main{
    box-sizing: border-box;
    width: 100%;
    height: calc(100vh - 8rem);
    overflow: auto;
    position: relative;
}
.mob-main .mobbar{
    width: 100%;
    height: 100%;
    background-color: black;
    opacity: 0.7;
}