.cont {


    background-image: url(/static/cn/img/qy_qywhbj.jpg);
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;

    }
.qywhminelist {

    display: flex;
    flex-wrap: wrap;
}


.qywhminelist li {

    position: relative;
    border-radius: 20px;
    overflow: hidden;
    margin-right: 1.38%;
    width: 27.8%;
    box-sizing: border-box;
    margin-bottom: 20px;
    
}
.qywhminelist li img {

    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.4s;
} 
.qywhminelist li:hover img {

    transform: scale(1.05);
}
.qywhminelist li:nth-child(1) {

width: 41.63%;

}
.qywhminelist li:nth-child(6) {

width: 41.63%;

}
.qywhminelist li:nth-child(3n) {

          margin-right: 0%;
}

.qywhminelist li .e_txt {

    position: absolute;
     top: 0; 
    left: 0;
    width: 100%;
    height: 100%;
    padding: 2vw 1.8vw;
    color: #ffffff;

    display: flex
;
    flex-direction: column;
    justify-content: end;
}


.qywhminelist li .e_txt .e_p {

    font-weight: bold;
    margin-top: 15px;
}
@media only screen and (max-width: 1440px) {   
   .qywhminelist li .e_txt {
       
           padding: 2vw 1.2vw;
   } 
    .qywhminelist li .e_txt .e_p {
        
            margin-top: 5px;
    }
}

@media only screen and (max-width: 1200px) {  
 .qywhminelist li .e_txt {
     
         padding: 2vw 1vw;
 } .qywhminelist li .e_txt .e_p {
     
     margin-top: 10px;
 }  
    
}

@media only screen and (max-width: 768px) { 


    .qywhminelist li {
        width: 100% !important;
        height: 250px;
    }
    .qywhminelist li .e_txt {

            padding: 20px 15px;
    }

    .qywhminelist li .e_txt .e_p {
        font-size: 18px;
            margin-top: 10px;
    }
}
<!--ºÄʱ1773914130.1727Ãë-->