.about-item {
    padding-bottom: 30px;
}

.invest-list ul {
    font-size: 0;
    text-align: center;
    display: flex;
    justify-content: space-around;
}

.invest-list li {
    width: 30%;
    display: inline-block;
    -webkit-transition: all .2s linear;
    transition: all .2s linear;
    overflow: hidden;
    background: #fff;
}

.invest-list li:first-child {
    margin-left: 0;
}
.invest-list li:last-child img{
    width: 77%;
    height: 38%;
    margin: 16% auto 0;
}
.invest-list li:nth-child(2) img{
    width: 125%;
    margin-left: -30px;
}

.invest-list li img {
    display: block;
    width: 100%;
    height: 100%;
}

.invest-list li:hover {
    position: relative;
    z-index: 2;
    box-shadow: 0 20px 25px 0 rgba(0, 0, 0, 0.1);
    -webkit-transform: translate3d(0, -3px, 0);
    transform: translate3d(0, -3px, 0);
}