@media screen and (min-width:1200px){
    .content{
        background-color: #e9ecf0;
        color: #444444;;
    }
    .newArr{
        display: flex;
        flex-wrap: wrap;
        /* justify-content: space-between; */
        padding: 60px 30px 30px 30px; 
        background-color: #ffffff;
    }
    .item_box{
        width: 31%;
        height: 615px;
        margin: 0 1% 30px;
        border: 1px solid #ccc;
        cursor: pointer;
        display: flex;
        flex-direction: column;
    }
    .item_box img{
        margin-left: -1px;
        margin-top: -1px;
        width: calc(100% + 2px);
    }
    .news_box_text{
        padding: 20px 20px 30px;
        display: flex;
        flex: 1;
        flex-direction: column;
        overflow: hidden;
    }
    .item-text{
        flex: 1;
        /* max-height: 50px; */
        overflow: hidden;
    }
    .read_more{
        color: #ff0000;
        background: url("../img/home_energy_right.png") no-repeat right center;
        padding-right: 21px;
    }
    .newArr{
        min-height: calc(100vh - 402px);
    }
}

@media screen and (max-width:1200px) and (min-width:768px){
    .content{
        background-color: #e9ecf0;
        color: #444444;;
    }
    .newArr{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        padding: 60px 30px 30px 30px; 
        background-color: #ffffff;
    }
    .item_box{
        width: 48%;
        height: 615px;
        margin-bottom: 30px;
        border: 1px solid #ccc;
        display: flex;
        flex-direction: column;
    }
    .item_box img{
        margin-left: -1px;
        margin-top: -1px;
        width: calc(100% + 2px);
    }
    .news_box_text{
        padding: 20px 20px 30px;
        display: flex;
        flex: 1;
        flex-direction: column;
        overflow: hidden;
    }
    .item-text{
        flex: 1;
        overflow: hidden;
    }
    .read_more{
        color: #ff0000;
        background: url("../img/home_energy_right.png") no-repeat right center;
        padding-right: 21px;
    }
    .newArr{
        min-height: calc(100vh - 402px);
    }
}
@media screen and (max-width:768px){
    .content{
        background-color: #e9ecf0;
        color: #444444;;
    }
    .newArr{
        display: flex;
        flex-wrap: wrap;
        justify-content: space-between;
        justify-content: space-between;
        padding: 60px 10px 10px 30px; 
        background-color: #ffffff;
    }
    .item_box{
        width: 98%;
        height: 615px;
        margin-bottom: 30px;
        border: 1px solid #ccc;
        display: flex;
        flex-direction: column;
    }
    .item_box img{
        margin-left: -1px;
        margin-top: -1px;
        width: calc(100% + 2px);
    }
    .news_box_text{
        padding: 20px 20px 30px;
        display: flex;
        flex: 1;
        flex-direction: column;
        overflow: hidden;
    }
    .item-text{
        flex: 1;
        overflow: hidden;
    }
    .read_more{
        color: #ff0000;
        background: url("../img/home_energy_right.png") no-repeat right center;
        padding-right: 21px;
    }
    .newArr{
        min-height: calc(100vh - 380px);
    }
}