.caseItem{
    border-bottom: 1px solid #E4E4E8;
    box-sizing: border-box;
    padding: 40px 0;
    transition: all .5s;
    position: relative;
}

.caseItem::after{
    content: "";
    width: 100%;
    height: 2px;
    background: #333333;
    position: absolute;
    left: 0;
    bottom: 0;
    transition: all 0.2s ease-out 0s;
    transform: scaleX(0);
    transform-origin: center top;
}

.caseCover{
    width: 260px;
    height: 196px;
    overflow: hidden;
}

.caseCover img{
    width: 100%;
    height: inherit;
    transition: all .5s;
}

.caseLeft{
    width: calc(100% - 260px);
    height: auto;
    box-sizing: border-box;
    padding-right: 3%;
}

.caseTitle h3{
    flex-shrink: 0;
    font-size: 30px;
    font-family: TianShiBaoDiaoTiJian;
    color: #8F9297;
}

.caseTitle .line{
    flex-shrink: 0;
    width: 60px;
    height: 1px;
    background: #8F9297;
    margin: 0 30px;
    transition: all .5s;
}

.caseTitle p{
    font-size: 18px;
    color: #333333;
}

.caseLeft > p{
    font-size: 16px;
    color: #5D5F62;
    line-height: 35px;
    height: 70px;
    margin-top: 20px;
}

.moreCase{
    width: 60px;
    height: 60px;
    text-align: center;
    line-height: 60px;
    margin-top: 20px;
}

.moreCase img{
    width: 18px;
    height: 18px;
}

.moreCase img:nth-child(2){
    display: none;
}

.caseItem:hover::after{
    transform: none;
}

.caseItem:hover .caseTitle h3{
    color: #333333;
}
.caseItem:hover .caseTitle .line{
    width: 80px;
    background: #333333;
}
.caseItem:hover .caseTitle p{
    font-weight: bold;
}
.caseItem:hover .caseLeft > p{
    color: #333333;
}
.caseItem:hover .moreCase{
    background: #C7001A;
}
.caseItem:hover .moreCase img:nth-child(1){
    display: none;
}

.caseItem:hover .moreCase img:nth-child(2){
    display: inline-block;
}

.caseItem:hover .caseCover img{
    transform: scale(1.1);
}

@media screen and (max-width: 768px){
    .caseTitle{
        flex-wrap: wrap;
    }

    .caseTitle .line{
        display: none;
    }

    .caseTitle h3{
        margin-bottom: 10px;
    }

    .moreCase{
        display: none;
    }

    .caseItem{
        padding: 20px 0;
    }
}

@media screen and (max-width: 540px){
    .caseCover{
        width: 110px;
        height: 83px;
    }

    .caseLeft{
        width: calc(100% - 110px);
    }

    .caseTitle h3{
        font-size: 15px;
    }

    .caseTitle p{
        font-size: 14px;
    }

    .caseLeft > p{
        font-size: 12px;
        line-height: 20px;
        height: 40px;
        margin-top: 10px;
    }
}