.main > div:first-child,
.main_list {
  width: 1200px;
}
.main > div:first-child {
  position: absolute;
  top: 0;
}
.main_title {
  height: 37px;
  font-size: 33px;
  line-height: 37px;
  margin-bottom: 50px;
  text-align: center;
}
.main_content {
  width: 1200px;
  line-height: 30px;
}
.main_content img {
  width: 100%;
}
.main_content h3 {
  font-size: 22px;
}
@media (max-width: 1220px) {
  .main > div:first-child,
  .main_list,
  .main_content {
    width: 800px !important;
  }
}
@media (max-width: 819px) {
  .main > div:first-child,
  .main_list,
  .main_content {
    width: 100% !important;
  }
  .main_content {
    line-height: 22px !important;
  }
  .main_title {
    font-size: 25px !important;
  }
  .main_content h3 {
    margin-bottom: 10px !important;
  }
  .main_content p.txtid-3 {
    text-indent: 0em !important;
  }
  .main_content p.txtid-5 {
    text-indent: 2em !important;
  }
}