@media screen and (max-width: 768px) {
  .banner {
    height: 200px;
    width: 100%;
    overflow: hidden;
  }
  .banner h2 {
    width: 100%;
    height: 100%;
  }
  .banner .menu_box {
    position: absolute;
    left: 0;
    bottom: 0;
    padding-left: 10px;
    width: 100%;
    display: flex;
    flex-wrap: wrap;
    padding-bottom: 5px;
  }
  .box_1,
  .box_3,
  .box_4,
  .box_5,
  .box_6,
  .box_8 img,
  .box_5_wrap {
    width: 100%;
    overflow: hidden;
    /* border: 1px solid red; */
  }
  .banner {
    width: 100%;
  }
  .banner h2 {
    width: 100%;
  }
  .banner .menu_box {
    width: 100%;
  }

  .box_5 .content,
  .box_5 .content .item {
    width: 100%;
  }

  .box_6 .img_box {
    display: block;
  }
  .box_6 .img_box img {
    width: 100%;
  }
  .box_1 .title{
    padding-top: 20px;
  }
  .box_1 .img_wrap {
    flex-wrap: wrap;
    padding: 0 20px;
  }
  .box_1 .img_wrap .img_box {
    display: block;
    width: 140px;
    flex-shrink: 0;
    flex-basis: 140px;
    overflow: hidden;
  }
  .box_1 .img_wrap .img_box:nth-child(odd) {
    padding-top: 0;
  }
  .box_3 {
    padding-top: 20px;
  }
  .box_4 {
    padding: 0 20px;
    padding-top: 20px;
  }
  .box_4 img {
    width: 45%;
  }
  .box_5 {
    margin-top: 20px;
  }
  .box_5 .title {
    padding-top: 20px;
  }
  .box_5 .sub_title {
    padding-bottom: 20px;
  }
  .box_5 .content .item {
    flex-direction: column;
    padding: 0 20px;
  }
  .box_5 .content .item:nth-child(1),
  .box_5 .content .item:nth-child(3) {
    margin-left: 0;
  }
  .box_5 .content .item img,
  .box_5 .content .item .txt,
  .box_5 .content .item .tag {
    width: 100%;
    height: auto;
  }
  .box_5 .content .item .txt {
    font-size: 30px;
  }
  .box_5 .content .item .tag {
    padding: 20px 0;
  }
  .box_6 {
    padding-bottom: 0;
  }
  .box_6 .title {
    padding-top: 20px;
  }
  .box_8 {
    padding: 0;
  }
}