.case2{
    background: #fff;
}



.case2 ul{
    display: flex;
    flex-wrap: wrap;
} 
.case2 ul li{
    width: 50%;
    position: relative;
}


.case2 ul i{
    display:block;
    background: #000;
}
.case2 ul i img{
    width: 100%;
    opacity: 0.85;
}

.case-li-layer{
    display: none;
}


.case2-title{
    background: #0097ff;
}
.case2-title-name{
    position: absolute;
    z-index: 1;
    right: 15px;
    bottom: 30px;
}
.case2-title-name::before{
    content: "";
    position: absolute;
    right: 0;
    top: -8px;
    width: 60px;
    height: 1px;
    background: #fff;
}

.case2-title-name p{
    font-size: 16px;
    line-height: 24px;
    color: #fff;
    text-align: right;
}
@media (min-width: 768px) {
    
.case2 ul{
    display: flex;
    flex-wrap: wrap;
} 
.case2 ul li{
    width: 25%;
    position: relative;
}


.case2 ul i{
    display:block;
}
.case2 ul i img{
    width: 100%;
}

.case-li-layer{
    display: flex;
    align-items: center;
    justify-content: center;
    position: absolute;
    z-index: 10;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
   background: #0097ff;
   cursor: pointer;
   opacity: 0;
   transition: 1s;
}
.case-li-name{
    padding: 1vw;
    font-size: 1.5vw;
    line-height: 1.2;
    color: #fff;
}
.case2 ul li:hover .case-li-layer{
    opacity: 0.9;
}


.case2-title{
    background: #0097ff;
}
.case2-title-name{
    position: absolute;
    z-index: 1;
    right: 2vw;
    bottom: 2vw;
}
.case2-title-name::before{
    content: "";
    position: absolute;
    right: 0;
    top: -0.5vw;
    width: 4.8vw;
    height: 2px;
    background: #fff;
}

.case2-title-name p{
    font-size: 1.2vw;
    line-height: 1.4vw;
    color: #fff;
    text-align: right;
}
    
}