.level-item_active {
    color: #333;
    background: #fff;
    position: relative;
    overflow: unset;

    &::after {
        position: absolute;
        right: 0;
        bottom: 100%;
        width: 16rpx;
        height: 16rpx;
        background: radial-gradient(circle at 0% 0%, transparent 16rpx, #fff 0);
        content: ''
    }

    &::before {
        position: absolute;
        top: 100%;
        right: 0;
        width: 16rpx;
        height: 16rpx;
        background: radial-gradient(circle at 0% 100%, transparent 16rpx, #fff 0);
        content: ''
    }
}