.nav-item {
    width: 270px;
    height: 130px;
    text-align: center;
    margin-bottom: 25px;
    cursor: pointer;
}

.item-title {
    width: 163px;
    font-size: 20px;
    line-height: 30px;
    display: block;
    text-align: left;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #FFF;
    margin-top: 15px;
    margin-left: 15px;
}