.bg2 {
    background-color: #f0f4f5;
    background-image: url(../img/solution/bg1.jpg);
    background-position: center bottom;
    background-repeat: no-repeat;
}

.bg3 ul li {
    margin-top: 20px;
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.bg3 ul li img {
    width: 100%;
    margin-bottom: 20px;
}

.bg3 ul li h3 {
    font-size: 24px;
    margin-bottom: 14px;
}

.bg3 ul li p {
    width: 100%;
    line-height: 24px;
    display: flex;
    align-items: center;
}

.bg3 ul li p .txt2 {
    flex: 1;
    overflow: hidden;
    -webkit-line-clamp: 2;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
}

.bg3 ul li p .more {
    font-size: 12px;
    padding-left: 8px;
    color: #84898E;
    text-align: right;
}

.bg3 ul li p .fewer {
    font-size: 12px;
    color: #84898E;
    display: none;
}