.longText20154 .content .text_icon_but .center {
    /* width: 1180px; */
    width: 60%;
    height: auto;
    position: absolute;
    left: 50%;
    transform: translate(-50%, 0);
}
.longText20154 .content .text_icon_but .text1 {
    margin-top: 2.7%;
    font-size: 38px;
    color: #FFFFFF;
    letter-spacing: 0;
    line-height: 52px;
    width: 100%;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}
.longText20154 .content .text_icon_but .text2 {
    opacity: 0.85;
    font-size: 14px;
    color: #FFFFFF;
    letter-spacing: 0;
    line-height: 30px;
    width: 60%;    /* 子元素宽度60% */
    float: left;
    padding-bottom: 20px;
}