header {
  padding-bottom: 0px;
}

.topcre {
  margin-top: 24px;
}
.main_jianto,
.zuo_jianto,
.flate {
  display: none;
}
.maintopicrightlenteng {
  width: 100%;
  flex-wrap: wrap;
  justify-content: space-between;
  margin-top: 24px;
}
.maeatar dl dt {
    height: 140px;
}
.maeatar {
    grid-template-columns: repeat(6, 1fr);
}

.aa dt { margin-bottom: 0px;
}
.h2 {
  margin: 0 auto;
  padding-bottom: 24px;
  padding-top: 24px;
}

@media (max-width: 1020px) {
  .ul_lhome {
    display: block;
  }
}
@media (max-width: 1000px) {
  .aa {
    width: 23%;
  }
  .maeatar dl dt {
    height: 106px;
}
}
@media (max-width: 765px) {
    .main {
    padding-top: 1px;
    }
    .aa {
    width: 31%;
    }
    .maintopicrightlenteng {
    gap: 10px;
    }
    .maeatar {
    grid-template-columns: repeat(3, 1fr);
    }
    }

@media (max-width: 345px) {
  .aa dt {
    width: 100px;
    height: 100px;
  }
}