@media screen and (min-width: 751px) {
    .product-scene  {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .product-scene  .title {
        font-size: 54px;
        font-weight: 600;
        text-align: center;
        color: #000000;
        line-height: 75px;
    }
    
    .product-scene  .list-container {
        position: relative;
        margin-top: 60px;
        display: flex;
        flex-direction: row;
        flex-flow: wrap;
    }
    
    .product-scene  .list-item {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 60px;
        margin-right: 24px;
    }

    .product-scene  .list-item:nth-child(3n){
        /* 尽量让item在list中居中，两边都没有margin */
        margin-right: 0;
    }
    
    .product-scene  .icon {
        width: 402px;
        height: 302px;
    }
    
    .product-scene  .text {
        font-size: 24px;
        font-weight: 400;
        text-align: center;
        color: #000000;
        line-height: 42px;
        margin-top: 32px;
    }
}

@media screen and (max-width: 750px) {
    .product-scene  {
        display: flex;
        flex-direction: column;
        align-items: center;
    }
    
    .product-scene  .title {
        font-size: 27px;
        font-weight: 600;
        width: 100%;
        text-align: left;
        color: #000000;
        line-height: 38px;
        margin-top: 40px;
    }
    
    .product-scene  .list-container {
        position: relative;
        display: flex;
        flex-direction: row;
        justify-content: space-around;
        margin-bottom: 40px;
        flex-flow: wrap;
    }
    
    .product-scene  .list-item {
        position: relative;
        display: flex;
        flex-direction: column;
        align-items: center;
        margin-top: 30px;
        width: 30%;
    }
    
    .product-scene  .icon {
        width: 106px;
        height: 81px;
    }
    
    .product-scene  .text {
        font-size: 12px;
        font-weight: 400;
        text-align: left;
        color: #000000;
        line-height: 21px;
        margin-top: 16px;
    }
    
}