#meau>li:nth-child(3)>a{
    color: #039dff;
    border-bottom: 5px solid #039dff;
}

section{
    min-height: 800px;
    /*background: #f1f1f1;*/
}
div.img{
    background: url('../images/cgal.png') top center no-repeat;
}
.case-box{
    width: 1200px;
    margin: 0 auto;
    font-size: 0;
}
.case-box span{
    position: absolute;
    display: block;
    width: 100%;
    height: 50px;
    line-height: 50px;
    text-align: center;
    font-size: 18px;
    word-spacing: 2px;
    letter-spacing: 2px;
    bottom: -50px;
    left: 0;
    background: rgba(0,0,0,.6);
    color: #fffefe;
    transition: all .2s linear;
}
.case-box a:hover span{
    bottom: 0;
}
.case-box a{
    width: 48%;
    display: inline-block;
    margin-top: 20px;
    position: relative;
    overflow: hidden;
}
.case-box img{
    width: 100%;
    display: inline-block;
}