.case-list {
    margin: 0 auto;
    max-width: 1250px;
}
.case-list .item {
    width: 20%;
    margin: 0 -1px 0 0;
}
.case-list .item a {
    max-width: 250px;
    margin: 0 auto 50px;
    padding-bottom: 20px;
    border: 1px solid #444444;
}
.case-list .pic {
    position: relative;
}
.case-list .pic:after{
    content: '';
    position: absolute;
    top: 86%;
    right: 0;
    bottom: 0;
    left: 0;
    background: rgba(0,0,0,.85) url(../images/case/cover_bottom.png)15px bottom no-repeat;
}
.case-list a:hover .pic:after{
    content: '';
    position: absolute;
    top: 0;
    right: 0;
    bottom: 0;
    left: 0;
    background: url(../images/case/cover_bottom.png)15px bottom no-repeat ,url(../images/case/cover.png)center no-repeat, rgba(0,0,0,.85);
}
.case-list .txt{
    padding: 0 15px;
    background: url(../images/case/border.png)top no-repeat;
    margin-top: 3px;
    padding-top: 20px;
}
.case-list .name {
    color: #C39000;
    font-size: 17px;
    margin-bottom: 10px;
    line-height: 25px;
    white-space: nowrap;
    text-overflow: ellipsis;
    overflow: hidden;
	height:25px;
}
.case-list .description {
    font-size: 14px;
    color: #AAAAAA;
    letter-spacing: 0;
    line-height: 1.5;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    height: 40px;
}




.product-detail{
    max-width: 1067px;
    margin: 0 auto;
}
@media screen and (max-width: 1000px) {
    .case-list .item {
        width: 33.33%;
    }
    .case-list .item a {
        margin-bottom: 40px;
    }
    .news-detail{
        padding: 0 10px 70px;
    }
}
@media screen and (max-width: 750px) {
	.case-list .pic:after{
		display:none;
	}
	.case-list a:hover .pic:after{
		display:block;
	}
}

@media screen and (max-width: 500px) {
    .case-list .item {
        width: auto;
        float: none;
    }
    .case-list .name {
        height: auto;
    }
    .case-list .description {
        height: auto;
        max-height: 57px;
    }
}