.content {
    width: 90%;
    max-width: 1200px;
    margin: 30px auto;
    display: flex;
    flex-wrap: wrap;

}

.content .contentList {
    display: flex;
    flex-wrap: wrap;

}

.content .contentList li {
    width: 50%;
    position: relative;
}

.content .contentList li a {
    display: block;
    width: 100%;
    height: 100%;
}

.content .contentList li .nr {
    position: absolute;
    width: 100%;
    height: 100%;
    transition: all .6s;
    left: 0;
    right: 0;
    bottom: 0;
    top: 0;
    background: #FF0000;
    opacity: 0;
    z-index: 10;
    display: flex;
}

.content .contentList li .nr p {
    margin: auto;
    font-size: 0.25rem;
    color: #fff;
}

.content .contentList li:hover .nr {
    opacity: 1;
}

.content .contentList li:nth-child(3n-2) {
    width: 100%;
}

.content .contentList li img {
    height: 100%;
    object-fit: cover;
}
.case_qidai{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    font-size: 20px;
    text-align: center;
    margin: 0 auto 30px;
    padding: 0% 2%;
    width: 80%;
    max-width: 490px;

    line-height: 49px;
    text-align: center;
    box-shadow: 0 5px 10px 0px #ff4106;
    font-size: 20px;
    background-image: linear-gradient(45deg, #ff4106 0%, #ff4106 100%);
    background-image: -webkit-linear-gradient(45deg, #ff4106 0%, #ff4106 100%);
    margin: 50px auto;
    color: #FFF;
    animation: fdsx 3s ease-out both infinite;
    cursor: pointer;
    border-radius: 6px;
}
.case_qidai span{
    display: block;
    text-align: center;
    color: #fff;
    font-size: 18px;
}
@keyframes fdsx {
    0% {
        transform: scale(0.8);
    }
    50% {
        transform: scale(1);
    }
    100% {
        transform: scale(0.8);
    }
}


@media only screen and (max-width:1440px) {}

@media only screen and (max-width:768px) {
    .content .contentList li {
        width: 100%;
    }

    .content .page span,
    .content .page a.first,
    .content .page a.last {
        font-size: 14px;
    }

    .banner {
        position: relative;
        overflow: hidden;
    }

   
    .content .contentList li img{height: 196px;   object-fit: cover;}
    .content{
        margin:  30px auto 0;
    }

}

.content .page {
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
     margin: 20px auto;
 
}

.content .page span,
.content .page a.first,
.content .page a.last {
    width: 54px;
    height: 37px;
    line-height: 37px;
    text-align: center;
    border-radius: 8px;
    border: solid 1px #cccccc;
    margin: 0 8px;

}

.content .page a {
    width: 32px;
    height: 37px;
    line-height: 37px;
    border-radius: 8px;
    text-align: center;
    border: solid 1px #cccccc;
    margin: 0 8px;
}


.content .page a.page_target,
.content .page a:hover {
    background-color: #ff4106;
    color: #fff;
    border: 1px solid #ff4106;
}