@media screen and (min-width: 1100px) {
  .page .big_news {
    width: 100%;
    margin-bottom: 180px;
  }
  .page .big_news .title {
    font-size: 36px;
    font-weight: 500;
    color: #231916;
    letter-spacing: 4px;
    width: 100%;
    text-align: center;
    margin-bottom: 10px;
  }
  .page .big_news .sub_title {
    font-size: 16px;
    font-weight: 400;
    color: #231916;
    width: 100%;
    text-align: center;
    margin-bottom: 60px;
    text-transform: uppercase;
  }
  .page .big_news .inner {
    width: 1240px;
    height: 534px;
    margin: 0 auto;
    position: relative;
  }
  .page .big_news .inner .big_img {
    width: 100%;
    height: 100%;
    background-color: antiquewhite;
  }
  .page .big_news .inner .text {
    font-size: 20px;
    font-weight: 500;
    color: #000000;
    letter-spacing: 1px;
    width: 100%;
    text-align: center;
    margin-top: 46px;
    display: flex;
  }
  .page .big_news .inner .text_box {
    width: 420px;
    height: 280px;
    background: #f4f3f3;
    position: absolute;
    top: -109px;
    right: 0;
    padding: 28px 35px 18px;
  }
  .page .big_news .inner .text_box .title {
    font-size: 22px;
    font-weight: 400;
    color: #231916;
    line-height: 33px;
    margin-bottom: 20px;
    letter-spacing: 1px;
  }
  .page .big_news .inner .text_box .desc {
    font-size: 14px;
    font-weight: 300;
    color: #231916;
    line-height: 26px;
  }
  .page .big_news .inner .text_box .desc_1 {
    font-size: 14px;
    font-weight: 700;
    color: #000000;
    line-height: 22px;
  }
  .page .big_news .flex_img {
    width: 1220px;
    margin: 0 auto;
    display: block;
    margin-bottom: 40px;
  }
  .page .big_news .flex_img_1 {
    display: none;
  }
}
@media screen and (max-width: 1100px) {
  .page .banner {
    background: url('img/banners/11-对消费者益处.png') no-repeat center;
    background-size: cover;
    margin-bottom: 50px !important;
  }
  .page .big_news {
    width: 100%;
    margin-bottom: 50px;
  }
  .page .big_news .title {
    font-size: 18px;
    font-weight: 700;
    color: #231916;
    letter-spacing: 2px;
    width: 100%;
    text-align: center;
    margin-bottom: 5px;
  }
  .page .big_news .sub_title {
    font-size: 8px;
    font-weight: 400;
    color: #231916;
    letter-spacing: 1px;
    width: 100%;
    text-align: center;
    margin-bottom: 26px;
    text-transform: uppercase;
  }
  .page .big_news .inner {
    width: 331px;
    margin: 0 auto;
    position: relative;
  }
  .page .big_news .inner .big_img {
    width: 331px;
    height: 145px;
    background-color: antiquewhite;
  }
  .page .big_news .inner .text {
    font-size: 12px;
    font-weight: 700;
    color: #000000;
    line-height: 19px;
    letter-spacing: 1px;
  }
  .page .big_news .inner .text .div {
    margin: 20px 0;
  }
  .page .big_news .inner .text_box {
    width: 331px;
    height: 201px;
    background: #f4f3f3;
    padding: 22px;
  }
  .page .big_news .inner .text_box .title {
    font-size: 13px;
    font-weight: 700;
    color: #000000;
    line-height: 19px;
    letter-spacing: 1px;
    margin-bottom: 15px;
  }
  .page .big_news .inner .text_box .desc {
    width: 290px;
    font-size: 12px;
    font-weight: 300;
    color: #000000;
    line-height: 19px;
    letter-spacing: 1px;
  }
  .page .big_news .inner .text_box .desc_1 {
    width: 290px;
    font-size: 12px;
    font-weight: 300;
    color: #000000;
    line-height: 19px;
    letter-spacing: 1px;
  }
  .page .big_news .flex_img {
    display: none;
  }
  .page .big_news .flex_img_1 {
    width: 335px;
    margin: 0 auto 28px;
    display: block;
  }
}