.helpCenter {
    padding: 120px 0;
    background: #F6F7F9;
}
.helpList ul li {
    float: left;
    width: 380px;
    height: 342px;
    background: #FFF;
    box-shadow: 0px 0px 29px 2px rgba(156, 164, 185, 0.2);
    margin-right: 30px;
    margin-bottom: 40px;
}
.helpList ul li:nth-child(3n) {
    margin-right: 0;
}
.helpList ul li a {
    display: block;
    cursor: pointer;
    padding: 40px 30px 30px;
}
.helpList .pic {
    text-align: center;
}
.helpList .name {
    font-size: 24px;
    font-weight: bold;
    color: #333333;
    margin-top: 28px;
    text-align: center;
}
.helpList .txt {
    font-size: 16px;
    font-weight: 400;
    color: #666;
    line-height: 30px;
    height: 60px;
    margin: 12px 0;
}
.helpList .arrow {
    text-align: right;
}
.helpList li:hover { cursor: pointer; transform: translate3d(0,-10px,0); transition: all 0.3s; }