@media screen and (max-width: 365px) {
  .case_conten_item {
    width: 100%;
  }
  .newstxt {
    width: 100%;
  }
  .newshome .newsimg {
    position: relative;
    text-align: center;
  }
  .newshome .newsul {
    width: 100%;
    margin: 0 0 80px 0;
    /* min-width: 740px; */
    border-bottom: 1px solid #ddd;
    padding-bottom: 40px;
  }
  .newshome {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }
  .picList li {
    cursor: pointer;
    width: 100% !important;
    height: 100%;
  }
  .service .bd .picList {
    width: 80%;
    overflow: hidden;
    margin: 0 auto;
    zoom: 1;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
  }
  #banner {
    height: 250px;
  }

  /* 广告 */
  .advertising {
    display: none;
  }
  .service_title h2 {
    padding: 70px 0 20px 0;
  }
}
@media screen and (min-width: 365px) {
  .case_conten_item {
    width: 100%;
  }

  .newstxt {
    width: 100%;
  }
  .newshome .newsimg {
    position: relative;
    text-align: center;
  }
  .newshome .newsul {
    width: 100%;
    margin: 0 0 80px 0;
    /* min-width: 740px; */
    border-bottom: 1px solid #ddd;
    padding-bottom: 40px;
  }
  .newshome {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }
  .picList li {
    cursor: pointer;
    width: 100% !important;
    height: 100%;
  }
  .service .bd .picList {
    width: 80%;
    overflow: hidden;
    margin: 0 auto;
    zoom: 1;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
  }
  #banner {
    height: 350px;
  }
  /* 广告 */
  .advertising {
    display: none;
  }
  .service_title h2 {
    padding: 70px 0 20px 0;
  }
}
@media screen and (min-width: 768px) {
  .case_conten_item {
    width: 44%;
  }
  .newstxt {
    width: 50%;
  }
  .newshome .newsimg {
    width: 50%;
    position: relative;
    text-align: center;
  }
  .newshome .newsul {
    display: flex;
    width: 100%;
    margin: 0 0 80px 0;
    /* min-width: 740px; */
    border-bottom: 1px solid #ddd;
    padding-bottom: 40px;
  }
  .newshome {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
  }
  .picList li {
    cursor: pointer;
    width: 30% !important;
    height: 100%;
  }
  .service .bd .picList {
    width: 80%;
    overflow: hidden;
    margin: 0 auto;
    zoom: 1;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
  }
  .service_title h2 {
    padding: 100px 0 20px 0;
  }
  #banner {
    height: 700px;
  }
  /* 广告 */
  .advertising {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 999;
    margin-bottom: -0.5px;
  }
}
@media screen and (min-width: 1114px) {
  .case_conten_item {
    width: 30%;
  }
  .newstxt {
    width: 50%;
  }
  .newshome .newsimg {
    width: 50%;
    position: relative;
    text-align: center;
  }
  .newshome .newsul {
    display: flex;
    width: 48%;
    margin: 0 0 80px 0;
    /* min-width: 740px; */
    border-bottom: 1px solid #ddd;
    padding-bottom: 40px;
  }
  .newshome {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .picList li {
    cursor: pointer;
    width: 30% !important;
    height: 100%;
  }
  .service .bd .picList {
    width: 80%;
    overflow: hidden;
    margin: 0 auto;
    zoom: 1;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
  }
  /* 广告 */
  .advertising {
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 999;
    margin-bottom: -0.5px;
  }
  #banner {
    height: 780px;
  }
}
/* pc */
@media screen and (min-width: 1280px) {
  .case_conten_item {
    width: 30%;
  }
  .newstxt {
    width: 50%;
  }
  .newshome .newsimg {
    width: 40%;
    position: relative;
    text-align: center;
  }
  .newshome .newsul {
    justify-content: space-evenly;
    display: flex;
    width: 48%;
    margin: 0 0 80px 0;
    /* min-width: 740px; */
    border-bottom: 1px solid #ddd;
    padding-bottom: 40px;
  }
  .newshome {
    width: 80%;
    margin: 0 auto;
    overflow: hidden;
    padding-top: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  .picList li {
    cursor: pointer;
    width: 30% !important;
    height: 100%;
  }
  .service .bd .picList {
    width: 80%;
    overflow: hidden;
    margin: 0 auto;
    zoom: 1;
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    flex-wrap: wrap;
  }
  /* 广告 */
  .advertising {
    display: block;
    position: fixed;
    bottom: 0;
    width: 100%;
    z-index: 999;
    margin-bottom: -0.5px;
  }

  .advertising img {
    display: block;
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .advertising .close {
    position: absolute;
    bottom: 59%;
    right: 20%;
    cursor: pointer;
    color: #fff;
    font-size: 24px;
    font-style: normal;
    -webkit-font-smoothing: antialiased;
    font-family: SimSun !important;
  }

  #banner {
    height: 980px;
  }
}