.container{
    width: 1168px;
    margin: 0 auto;
}
.case{
    width:1200px;
    margin:0 auto;
    overflow: hidden;
}
.case-item{
    width: 378px;
    margin-bottom: 34px;
}
.case-img img{
    width: 378px;
    height: 215px;
}
.case-info{
    width: 376px;
    height: 80px;
    margin-top: 17px;
    position: relative;
}
.case li{
    float: left;
    margin-right: 20px;
}
.case li:nth-child(3n){
    margin-right: 0;
}
.case-txt {
    font-size: 20px;
    text-align: center;
    line-height: 80px;
    color: #414040;
}
.case-topleft,.case-bottomright{
    width: 40px;
    height: 30px;
    background:#f9f7f6;
    /*padding:0 10px;*/
}
.case-topleft{
    position: absolute;
    top: -1px;
    left: -1px;
}
.case-bottomright{
    position: absolute;
    bottom: -1px;
    right: -1px;
}
.case-topleft p{
    display: inline-block;
    margin-right: 3px;
    width: 12px;
    height: 20px;
    transform: skew(-30deg);
}
.case-bottomright p{
    display: inline-block;
    margin-top: 10px;
    margin-right: 3px;
    width: 12px;
    height: 20px;
    transform: skew(-30deg);
}