.pz_main {background: #f5f5f5;}

.canye_box{margin-top: 20px;padding-bottom: 100px;}

.tit_3{overflow: hidden;margin-top: 0px;}

.qiyeroy ul{margin-top: 40px;overflow: hidden;}

.qiyeroy li div{position: relative;}



.royu1 li img{width: 100%;top: 0;position: absolute;width: 100%;height: 100%;}

.royu1 li div::before{display: block;content: '';width: 100%;padding-top:67%;}



.chanynr4{display: block;}

.qiyeroy li{width: 25%;float: left;padding: 0 15px;margin-bottom: 40px;}

.qiyeroy li p{font-size: 14px;text-align: center; overflow: hidden;background: #fff;

    text-overflow: ellipsis;

    display: -webkit-box;

    -webkit-line-clamp:2;

    -webkit-box-orient:vertical;color: #333;padding-top: 10px;height: 52px;}



.qiyeroy li::before{display: block;content: '';width: 100%;}

.qiyeroy li:hover p{color: #fff;background:#da2827;}



.gongyi .qiyeroy li:hover p {

    color: #fff;



}

@media (max-width: 767px) {





    .tit_3{overflow: hidden;margin-top: 30px;}

    .chanynr{display: block;}

    .canye_box{margin-top: 30px;padding-bottom: 30px;}

    .qiyeroy ul{margin-top: 20px;}



    .qiyeroy li{width: 50%;padding: 0 10px;margin-bottom: 15px;}

    .qiyeroy li p{font-size: 12px;line-height: 18px;padding-top: 5px;
    height: 44px;}

}