/*case*/
    .case-item-box {
        margin: 16px 0;
        border-radius: 4px;
        border: 1px solid rgba(221, 221, 221, 1);
        cursor: pointer;
    }
    .case-item-box:hover {
        box-shadow: 0 6px 20px rgba(221, 221, 221, 0.2);

        -webkit-transition-duration: 0.3s;
        -moz-transition-duration: 0.3s;
        -ms-transition-duration: 0.3s;
        -o-transition-duration: 0.3s;
        transition-duration: 0.3s;

        -webkit-transform: translateY(-5px);
        -moz-transform: translateY(-5px);
        -ms-transform: translateY(-5px);
        -o-transform: translateY(-5px);
        transform: translateY(-5px);
    }
    .case-content {
        padding-top: 18px;
        padding-left: 24px;
        padding-right: 24px;
    }
    .case-title {
        margin-top: 0;
        font-size: 18px;
        line-height: 26px;
        font-weight: 500;
        margin-bottom: 8px;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        word-wrap: break-word;
    }
    .case-introduction p {
        font-size: 16px;
        line-height: 22px;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        word-wrap: break-word;
        min-height: 44px;
    }
    .case-tags {
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        word-wrap: break-word;
    }
    .case-tag {
        font-size: 12px;
        color: rgba(153, 153, 153, 1);
        line-height: 17px;
    }
    .case-cover {
        width: 100%;
        height: auto;
        border-radius: 4px 4px 0 0;
        background-image: url("../images/case-default-cover.png");
        background-repeat: no-repeat;
        background-position: center;
        background-size: cover;
    }
    .case-cover .case-cover-top {
        width: 100%;
        padding-bottom: 43.24%;
        background-color: rgba(0, 0, 0, 0.08);
        position: relative;
    }
    .case-cover .case-cover-top .rank {
        position: absolute;
        top: 16px;
        left: 16px;
    }
    .case-cover .case-cover-top .rank img {
        height: 30px;
    }
	.pagelist {
		margin:30px auto;	
	}
	
	.bot .box{width:720px;height:270px;background: #44BBEE;border-radius: 10px;margin: 0 auto;}
.bot .box .file{width:760px;height:250px;overflow:hidden;padding:40px;box-sizing:border-box;background: #28e;border-radius: 10px;position: relative;top:10px;left:-18px;}
.bot .box .file .cont{width:113%;}
.file-item{width:140px;margin-right:40px;margin-bottom:40px;float: left}
.file-item .pic{width:100%;height:90px;background:#ccc;border-radius:8px;background-repeat: no-repeat;background-size: cover;background-position: center center;}
.file-item .text{height:60px;margin-top:17px;color:#fff;text-align:center;line-height:20px;font-size:14px;overflow: hidden;text-overflow: ellipsis;display: -webkit-box;-webkit-line-clamp: 3;-webkit-box-orient: vertical;}
.btn-more{margin-top:60px;}
.mt50 {
	margin: 50px auto;
}