.course-container{
    margin-top: 70px;
    margin-bottom: 70px;
}
.course-list{
    width: 1100px;
    margin: 0 auto;
}

    .course-list ul{
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
    }
    .course-list ul li{
        display: inline-block;
        width: 50%;
        margin-bottom: 3%;
    }
    .course-list ul li>div{
        margin: 0 40px;
        background: #f8f8f8;
    }

    .course-list ul li>div .list-img{
        display: inline-block;
        width: 100%;
        padding-bottom: 57.377%;
        position: relative;
    }
    .course-list ul li>div .list-img a{
        display: inline-block;
        width: 100%;
        height: 100%;
        position: absolute;
        left: 0;
        top: 0;
        overflow: hidden;
    }
    .course-list ul li>div .list-img a img{
        display: inline-block;
        width: 100%;
        height: 100%;
        transition: .5s;
        -webkit-transition: .5s;
        -moz-transition: .5s;
        -ms-transition: .5s;
        -o-transition: .5s;
    }
    .course-list ul li>div:hover .list-img a img{
        transform: scale(1.05);
        -webkit-transform: scale(1.05);
        -moz-transform: scale(1.05);
        -ms-transform: scale(1.05);
        -o-transform: scale(1.05);
    }
    .course-list ul li>div .list-txt {
        padding: 5% 5% 4.5%;
    }
    .course-list ul li>div .list-txt h1 a{
        display: block;
        font-size: 18px;
        color: #333;
        margin-bottom: 20px;
        overflow: hidden;
        text-overflow:ellipsis;
        white-space: nowrap;
    }
    .course-list ul li>div .list-txt p a{
        display: block;
        height: 45px;
        font-size: 12px;
        line-height: 24px;
        color: #666;
        margin-bottom: 25px;
        overflow: hidden;
    }
    .course-list ul li>div .list-txt span{
        display: block;
        text-align: right;
    }
    .course-list ul li>div .list-txt span a{
        color: #666;
        font-size: 16px;
    }
    .course-list ul li>div:hover{
        background: white;
        box-shadow: 0 0 16px rgba(0, 0, 0, .1);
    }
    .course-list ul li>div:hover .list-txt h1 a{
        color: #28a9d6;
    }
    .course-list ul li>div:hover .list-txt span a{
        color: #28a9d6;
    }




/* 案例详情 */
.casesd-container{
    margin-top: 80px;
    margin-bottom: 120px;
}
.casesd-top{
    width: 1400px;
    margin: 0 auto;
}

    .casesd-title{
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-bottom: 30px;
        border-bottom: 1px solid #b5b5b5;
    }
    .casesd-title h1{
        font-size: 30px;
        font-weight: normal;
        color: #28a9d6;
    }
    .casesd-title a{
        display: inline-block;
        padding-left: 25px;
        background: url(../img/back.png) no-repeat left center;
        color: #000;
        font-size: 16px;
    }
    .casesd-title a:hover{
        color: #28a9d6;
    }
    .casesd-edit{
        padding: 60px 150px;
        border-bottom: 1px solid #b5b5b5;
    }

/* 相关案例 */
.casesd-other{
    width: 1400px;
    margin: 0 auto;
}
    .casesd-other-title p{
        text-align: center;
        padding-bottom: 25px;
        padding-top: 25px;
        border-bottom: 1px solid #b5b5b5;
        font-size: 30px;
        font-weight: normal;
        color: #28a9d6;
        margin-bottom: 55px;
    }
    .casesd-lbt .item{
        position: relative;
    }
    .casesd-lbt .item .item-img {
        display: inline-block;
        width: 100%;
        padding-bottom: 88.235%;
        position: relative;
    }
    .casesd-lbt .item .item-img a{
        position: absolute;
        top: 0;
        left: 0;
        display: inline-block;
        width: 100%;
        height: 100%;
        overflow: hidden;
    }
    .casesd-lbt .item .item-img a img{
        display: inline-block;
        width: 100%;
        height: 100%;
        transition: .5s;
        -webkit-transition: .5s;
        -moz-transition: .5s;
        -ms-transition: .5s;
        -o-transition: .5s;
    }    
    
    .casesd-lbt .item:hover .item-img a img{
        transform: scale(1.08);
        -webkit-transform: scale(1.08);
        -moz-transform: scale(1.08);
        -ms-transform: scale(1.08);
        -o-transform: scale(1.08);
    }
    .casesd-lbt .item .item-name{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        background: rgba(0, 0, 0, .7);
        opacity: 0;
        transition: 0.8s;
        -webkit-transition: 0.8s;
        -moz-transition: 0.8s;
        -ms-transition: 0.8s;
        -o-transition: 0.8s;
}
    .casesd-lbt .item .item-name a{
        position: absolute;
        top: 0;
        left: 0;
        width: 100%;
        height: 100%;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .casesd-lbt .item .item-name a p{
        display: block;
        color: #fff;
        font-size: 26px;
        font-weight: normal;
        padding: 0 30px;
        text-align: center;
    }
    .casesd-lbt .item:hover .item-name{
        opacity: 1;
    }