.main {
    width: 100%;
    min-height: 620px;
    background-color: #fff;
}

.main .content-top {
    width: 1200px;
    overflow: hidden;
    margin: 30px auto 0
}
.main .content-top ul li {
    overflow: hidden;
    float: left;
    position: relative
}

.main .content-top ul li h5 {
    width: 200px;
    line-height: 30px;
    font-size: 20px;
    text-align: left;
    color: #ffffff;
    font-weight: 600;
    margin-left: 22px;
    position: absolute;
    top: 65px
}

.main .content-top ul li img {
    transition: all 0.6s
}

.main .content-top ul li img:hover {
    transform: scale(1.1);
    cursor: pointer
}

.main .content-top ul li:nth-child(2) {
    margin: 0 15px
}

.main .content {
    width: 1200px;
    margin: 30px auto 30px;
    overflow: hidden
}

.main .content ul li {
    float: left;
    text-align: left;
    border:1px solid rgba(204,204,204,1);
    width: 387px;
    border-radius:8px;
    max-height:650px;
    padding: 35px 23px;
    position: relative;
}

.main .content ul li:nth-child(2) {
    margin: 0 15px
}

.main .content ul li h4 {
    width: 360px;
    height: 40px;
    margin-bottom: 5px;
    color: #1b252d;
    font-size: 18px;
    font-weight: 600;
}

.main .content ul li h4 .iconfont {
    font-size: 18px
}
.main .content ul li p {
    line-height: 30px;
}
.main .content ul li p a {
    color: #535967;
    font-size: 15px
}
.main .content ul li p a:hover {
    color: #439DF8
}
.main .content ul li .more {
    color: #535967;
    font-size: 16px
}
.main .content ul li .more:hover {
    color: #439DF8
}
.main .content ul li p .readMore{
    color: #333;
    font-size: 16px;
    margin-top: 10px;
    display: inline-block;
    position: absolute;
    bottom: 10px;
    left: 20px;
}
.main .content ul li p .readMore:hover{
    color: #429DF8;
}
.main .content ul li .help-p2{
    max-height: 500px;
    overflow: hidden;
}