html,
body {
    height: 100%;
    font-family: PingFangSC-Regular;
    color: #ffffff;
    font-size: 32rpx;
}
.box {
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    background: #000000;
}
.menu {
    width: 100%;
    height: 88rpx;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    padding: 0 32rpx 40rpx;
}
.menu-X{
    width: 100%;
    height: 156rpx;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-sizing: border-box;
    padding: 0 32rpx 40rpx;
}
.bg{
    flex: 1;
    display: flex;
    align-items: center;
}
canvas{
    width: 750rpx;
    position: absolute;
    top: 0;
    bottom:0;
    left: 0;
    right: 0;
    margin: auto;
}