.about_title {
  text-align: center;
  margin-bottom: 1em;
}

.about_title span {
  display: inline-block;
  padding-bottom: 14px;
  font-weight: lighter;
  border-bottom: 1px solid #000000;
}

.about_content {
  margin-bottom: 1em;
}

.about_content .l, .about_content .r {
  float: left;
  width: calc(50% - 1em);
  margin-right: 1em;
}

.about_content .r {
  margin-right: 0;
  padding: 0.75em 0;
}

.about_content .l img {
  width: 100%;
  height: auto;
}

.about_content .r .r_text {
  color: #030303;
  line-height: 1.5em;
  margin-top: 1em;
}
.font_w{
  font-weight: bold;
}

@media only screen and (max-width:1024px) {
  .about_content .l, .about_content .r {
    width: 100%;
    margin-right: 0;
  }
}