.imgs_box {
    padding:2rem 0;
    display: flex;
    flex-wrap: wrap;
    justify-content: flex-start;
}
.imgs_box dt {
    border: 1px solid #e5e5e5;
    background: #fff;
    position: relative;
}
.imgs_box dt a {
    width:100%;
    height:100%;
    display: flex;
    justify-content: center;
    align-items: center;
    overflow: hidden;
}
.imgs_box dl dt a img{
    display: block;
    width: 100%;
}
.imgs_box dd{
    height: 3rem;
    font-size: 0.9rem;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 0 0.4rem;
    overflow: hidden;
    text-overflow: ellipsis;
    /*white-space: nowrap;*/
    background: #f0f0f0;
    cursor:pointer;
}

@media  screen and (min-width: 1200px){
    .imgs_box dl{
        width: 18.4%;
        margin-right: 2%;
        margin-bottom: 2rem;
    }
    .imgs_box dl dt{
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .imgs_box dl:nth-child(5n){
        margin-right: 0;
    }
}
@media  screen and (min-width: 765px) and (max-width: 1200px){
    .imgs_box dl{
        width: 23.5%;
        margin-right: 2%;
        margin-bottom: 2rem;
    }
    .imgs_box dl:nth-child(4n){
        margin-right: 0;
    }
}
@media  screen and (min-width: 500px) and (max-width: 765px){
    .imgs_box dl{
        width: 32%;
        margin-right: 2%;
        margin-bottom: 2rem;
    }
    .imgs_box dl:nth-child(3n){
        margin-right: 0;
    }
}

@media  screen and (max-width: 500px){
    .imgs_box dl{
        width: 48%;
        margin-right: 4%;
        margin-bottom: 2rem;
    }
    .imgs_box dl:nth-child(2n){
        margin-right: 0;
    }
}



.case {padding:3rem 0;}
.case_types {display: flex;justify-content: space-between;padding-top: 2rem;}
.case_types li {width:19%;box-shadow: 0 2px 12px 0 rgba(0, 0, 0, .1);padding:1.5rem 0;}
.case_types li a {display: flex;align-items: center;justify-content: space-around;flex-direction: column;}
.case_types li a p {margin-top: 1rem;}
.case_types li.act {background:var(--comcolor);color:#fff;}
.case_types li.act a {color:#fff;}
.case_types li.act .img1,
.case_types li .img2
{display: none}
.case_types li .img1,
.case_types li.act .img2
{display: block}
.case {display: flex;flex-wrap: wrap;}
.case li {width:48%;margin-right:4%;margin-bottom: 2rem;
    background: #F5F6F8;
    position: relative;
    padding: 1rem;}
.case li:nth-child(2n) {margin-right: 0;}
.case li img {width:100%;}
.case li .title{font-size: 1.5rem;line-height: 3rem;text-align: center;}
.case li:hover a .title{color:var(--comcolor);}

@media  screen and (max-width: 765px){
    .case_types li {padding:1rem 0;}
    .case_types li img { width:50%;margin: 0 auto }
    .case_types li a p {font-size: 0.8rem;}

    .case li {display: block;width:100%;margin-right: 0;}
    .case li .title{font-size: 1rem;line-height: 2rem;}

}