@media screen and (max-width: 750px) {
    .banner
      .banner_con
      #banner_swiper
      .swiper-slide
      .swiper_slide_con
      .swiper_item_info
      .banner_title {
      font-size: 25px;
    }
  
    .product_line_part
      #product_line_swiper
      .product_line_head
      .product_line_head_info
      .product_line_title {
      font-size: 24px;
      line-height: 1.2;
    }
  
    .product_line_part
      #product_line_swiper
      .product_line_head
      .product_line_head_right
      .product_line_tag_list {
      flex-direction: column;
    }
    .product_line_part
      #product_line_swiper
      .product_line_head
      .product_line_head_right
      .product_line_tag_list
      .product_line_tag_item {
      display: flex;
      justify-content: space-between;
      align-items: center;
      margin-bottom: 10px;
    }
    .product_line_part
      #product_line_swiper
      .product_line_head
      .product_line_head_right
      .product_line_tag_list
      .product_line_tag_item
      .tag_top {
      flex-shrink: 0;
    }
    .product_line_part
      #product_line_swiper
      .product_line_head
      .product_line_head_right
      .product_line_tag_list
      .product_line_tag_item
      .tag_font {
      flex: 1;
      margin-left: 10px;
    }
  }