.share_txt>h3, .share_txt>p {
    text-align: center;
}
.share_title {
    font-size: 25px;
    color: #0069b7;
    padding-top: 20px;
    /* padding-bottom: 20px; */
}
.technology_txt {
    text-align: left;
    font-size: 14px;
    line-height: 25px;
    overflow: hidden;
    margin-bottom: 50px;
    padding: 0 40px;
}
.back li:first-child {
    text-align: left;
}
.back {
    padding: 0 20px 20px 20px;
}
.back li>a {
    color: #0069b7;
}
.back li:last-child {
    text-align: right;
}
.help{
  height: 30px;
  line-height: 30px;
  text-align: left;
  font-size: 14px;
}