@media screen and (max-width: 768px) {
  .fix_sai .line {
    border: none;
  }
  .fix_sai .news_date {
    width: 100%;
    border-bottom: 1px solid #5b5c57;
    border-top: 1px solid #5b5c57;
    line-height: 1;
    margin-bottom: 14px;
    padding: 14px 0;
  }
  .fix_sai #news li {
    height: 100%;
    line-height: 1;
    margin-bottom: 24px;
    border-bottom: none;
  }
  .fix_sai .news_txt {
    white-space: normal;
    text-overflow: inherit;
    line-height: 28px;
    min-width: 100%;
    max-width: 100%;
    max-height: 100%;
    overflow: hidden;
    margin-bottom: 24px;
  }
}