.part_one {
    background: url(../img/customer_case/bg.png);
}

.part_two {
    padding-top: 99px;
    padding-bottom: 136px;
}

.part_two ul {
    display: flex;
    flex-flow: wrap;
    justify-content: space-between;
    perspective: 1000px;
    transform-style: preserve-3d;
}

.part_two ul li {
    width: 383px;
    margin-bottom: 24px;
    transition: .3s;
}

.part_two ul li img {
    width: 100%;
    height: 282px;
}

.part_two ul li:hover {
    box-shadow: 0 0 20px rgba(0,0,0,.3);
    transform: translateZ(10px);
}

.part_two ul li .intro {
    padding: 0 28px 0 20px;
    background: #fff;
    font-size: 17px;
    height: 138px;
}

.part_two .intro h5 {
    line-height: 53px;
}

.part_two .intro p {
    font-size: 12px;
    line-height: 17px;
    color: #4d4d4d;
    display: -webkit-box;
    overflow: hidden;
    text-overflow: ellipsis;
    word-wrap: break-word;
    white-space: normal !important;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    margin-bottom: 25px;
}

.part_two .intro a {
    display: block;
    color: #000;
    font-size: 12px;
    line-height: 12px;
    text-align: right;
    padding-bottom: 14px;
}