.case-bg {
    width: 100%;
    height: 500px;
    background-image: url('../Image/case_bg.jpg');
    height: 500px;
    background-repeat: no-repeat;
    background-attachment: fixed;
    background-position: center 0;
}

.info_contact {
    margin-bottom: 100px;
}

.case-list .img-box-content {
    flex-basis: 50%;
    position: relative;
    height: auto;
}

.case-list .img-box-content .img-box {
    position: relative;
}

.case-list .img-box-content:hover span {
    opacity: 1;
}

.case-list .img-box-content span {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    color: #ffffff;
    opacity: 0;
}

.case-list .img-box-content .img-box::before {
    display: block;
    content: "";
    width: 100%;
    height: 0;
    top: 50%;
    position: absolute;
    background: rgba(17, 67, 176, 0.8);
    transition: all 0.4s;
    opacity: 0;
}

.case-list .img-box-content:hover .img-box::before {
    height: 100%;
    top: 0;
    opacity: 1;
}


.case-list .img-box-content .content {
    font-size: 18px;
    line-height: 50px;
    text-align: center;
    margin-bottom: 40px;
}


@media screen and (min-width: 992px) and (max-width: 1200px) {
    
}

@media screen and (min-width: 1200px) and (max-width: 1600px) {

}