aliapp-demo/util/grid/index.acss

.grid {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
}

.grid-item {
    width: 28%;
    text-align: center;
    padding-top: 28%;
    margin-left: 4%; 
    margin-bottom: 4%;
    position: relative;
    box-shadow: 0 0 8rpx rgba(0, 0, 0, 0.1);
    border-radius: 10rpx;
    background-color: white;
}

.grid-item-wrapper {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}

.grid-icon {
    width: 64rpx;
    height: 64rpx;
}

.grid-text {
    color: #000;
    font-size: 28rpx;
    line-height: 1;
    margin-top: 28rpx;
}