#about-us {
  position: relative;
  margin: 30px auto;
  width: 1080px;
}

.about-us-text {
  position: relative;
  padding: 0px 30px;
  width: 1020px;
  text-align: justify;
  text-justify: inter-word;
}

#about-us-text-chi {
  display: block;
  position: relative;
  padding: 0px 30px;
  width: 1020px;
  text-align: justify;
  text-justify: inter-word;
}

#about-us-text-eng {
  display: none;
  position: relative;
  padding: 0px 30px;
  width: 1020px;
  text-align: justify;
  text-justify: inter-word;
}

#switch-lang-chi {
  background: none;
  border: none;
  padding: 0;
  font-size: 12pt;
  cursor: pointer;
}

#switch-lang-eng {
  background: none;
  border: none;
  padding: 0;
  font-size: 12pt;
  cursor: pointer;
}