@media screen and (max-width: 768px) {
  .head {
    display: none;
  }
  footer {
    display: none;
  }
  .pc,
  .pc-sousuo {
    display: none !important;
  }
  .xuanfu {
    display: none;
  }
  .mobile {
    display: block;
    width: 100%;
  }
  .sousuo {
    width: 200px !important;
    position: relative !important;
    right: 101px !important;
  }
  .big_img {
    width: 600px;
    height: 400px;
  }
  .main {
    width: 100%;
  }
  .nav_btn {
    display: block;
    position: fixed;
    width: 40px;
    height: 40px;
    top: 20px;
    right: 20px;
    background: rgba(0, 0, 0, 0.4) !important;
    border-radius: 50%;
  }
  .nav_btn::after,
  .nav_btn::before {
    content: "";
    position: absolute;
    top: 19px;
    left: 20%;
    width: 60%;
    height: 2px;
    background: #fff;
  }
  .nav_btn::after {
    top: 13px;
    background: transparent;
    border-top: 2px solid #fff;
    padding: 4px 0px;
    border-bottom: 2px solid #fff;
  }
  .navigation {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    left: 0;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 9;
    display: none;
  }
  .navigation ul {
    width: auto;
    padding-top: 40px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    align-items: center;
    height: auto;
  }
  .navigation ul li {
    width: 80%;
    float: left;
    height: 40px;
    display: inline;
    border: 0;
  }
  .navigation ul li a {
    display: block;
    font-size: 18px;
    color: #fff;
    line-height: 18px;
    margin-top: 11px;
    text-align: center;
    padding: 0 24px;
  }
  .navigation li.active {
    background-color: #dbdef1;
  }
  .navigation ul li:active a {
    color: #5254a0;
  }
  .meeting_back {
    padding: 20px;
    margin-top: 0;
  }
  .banner {
    width: 100%;
    height: auto;
    background: #fff;
    /* height: 160px;
        background-image: url(../img/mobile_banner.png);
        background-repeat: no-repeat;
        background-position: top;
        background-size: contain; */
  }
  .flex {
    display: flex;
    flex-wrap: wrap;
  }
  .flex video {
    width: 100%;
    height: 100%;
  }
  .title {
    margin-top: 20px;
    text-align: center;
    margin-bottom: 20px;
  }
  .title_item {
    display: block;
  }
  .schedule {
    padding: 20px;
  }
  .live_pictures {
    padding: 20px;
  }
  .show_pic img {
    width: 100%;
  }
  .show_pic img:nth-child(n + 5) {
    display: none;
  }
  .line {
    display: none;
  }
  .title_en {
    display: none;
  }
  .back_ins {
    margin-left: 0;
  }
  .guest_ins {
    display: block;
  }
  .media_reports {
    padding: 20px;
  }
  .news {
    flex-wrap: wrap;
  }
  .news_ins {
    width: 100%;
    display: flex;
    align-items: center;
  }
  .news_ins img {
    width: 120px;
    height: 76px;
    margin-right: 10px;
    border-radius: 4px;
    -webkit-border-radius: 4px;
    -moz-border-radius: 4px;
    -ms-border-radius: 4px;
    -o-border-radius: 4px;
  }
  .news_detail {
    flex: 1;
    margin-left: 0;
  }
  .news_detail .desc {
    line-height: 20px;
  }
  .news_ins:nth-child(2) {
    margin-top: 20px;
  }

  .ellipsis_3 {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  .ellipsis_2 {
    text-overflow: -o-ellipsis-lastline;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    line-clamp: 1;
    -webkit-box-orient: vertical;
  }
  .guest {
    padding: 20px;
  }
  .img_all_pc {
    /* display: none; */
  }
  .img_all_mobile {
    display: flex;
    flex-wrap: wrap;
  }
  .img_item {
    width: 100%;
    margin-right: 10px;
  }
  .img_item img {
    width: 100%;
  }
  .guest_ins {
    background-color: #fff;
    color: #000;
    width: auto;
    height: auto;
    padding: 20px 0;
  }
  .kg {
    display: none;
  }
  .toTop {
    width: 48px;
    height: 48px;
    position: fixed;
    bottom: 40px;
    right: 20px;
    z-index: 5;
    background-color: rgba(0, 0, 0, 0.4);
    border-radius: 50%;
    display: none;
  }
  .pc-pagination {
    display: none;
  }
  .mobile-pagination {
    display: block;
  }
  /* 灞曚細涓撹 */
  .exhibition_title,
  .xwbd_title,
  .ex-shopping_title {
    width: 95%;
    height: 60px;
    background: url(../img/mobile-title.png) no-repeat;
    padding-bottom: 42px;
    line-height: 55px;
    text-align: center;
    font-size: 18px;
    font-family: SourceHanSansCN-Heavy, SourceHanSansCN;
    font-weight: 800;
    color: #ffffff;
    margin: auto;
    background-size: 100%;
  }
  .exhibition_content_left {
    width: 100%;
    margin: auto;
  }
  .exhibition_content_left p img {
    width: 32%;
  }
  .exhibition {
    width: 100%;
    height: auto;
    background: #f6f6f6;
    margin-top: 40px;
    padding-bottom: 23px;
  }
  .exhibition_content_left .content_left_text {
    width: 100%;
    height: 170px;
    font-size: 15px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #363636;
    line-height: 34px;
    margin-top: 18px;
  }
  .exhibition_content_right {
    width: 100%;
    margin-top: 27px;
  }
  .exhibition_content {
    width: 95%;
    display: flex;
    flex-wrap: wrap;
    margin: auto;
  }
  .exhibition_content_right p {
    width: 100%;
    height: 60px;
    font-size: 15px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #363636;
    line-height: 30px;
    margin-top: 44px;
  }
  /* 瑙嗛鐩存挱 */
  .liveVideoBox {
    display: flex;
    flex-wrap: wrap;
  }
  .LiveVideo_left {
    width: 95%;
    margin: auto;
  }
  .LiveVideo_left h2 {
    font-size: 17px;
    font-family: SourceHanSansCN-Medium, SourceHanSansCN;
    font-weight: 500;
    color: #363636;
    padding-bottom: 12px;
  }
  .LiveVideo_left p {
    width: 95%;
    font-size: 14px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #363636;
    line-height: 30px;
    padding-bottom: 37px;
  }
  .LiveVideo_right {
    margin-top: 10px;
  }
  .LiveVideo_right p img {
    width: 47%;
    float: left;
    padding: 5px;
  }
  /* 绋夸欢鍙戝竷 */
  .manuscriptPublishing {
    width: 95%;
    margin: auto;
    height: auto;
  }
  .manuscriptPublishing ul li {
    list-style-type: none;
    font-size: 16px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #363636;
    line-height: 30px;
    padding-bottom: 15px;
  }
  .shangjialogo p {
    width: 400px;
    height: 70px;
    background: #ffffff;
    border: 1px solid #dfdfdf;
    text-align: center;
    line-height: 70px;
    font-size: 14px;
    font-family: SourceHanSansCN-Regular, SourceHanSansCN;
    font-weight: 400;
    color: #959595;
  }
  /* 新闻报道 */
  .xwbd {
    width: 95%;
    margin: auto;
    margin-top: 30px;
  }
  .news_report_content ul {
    width: 100%;
  }
  .news_report_content ul li {
    width: 100%;
    align-items: center;
  }
  .news_report_content ul li .img {
    width: 135px;
  }
  .news_report_content ul li .img img {
    max-width: 100%;
  }
  .news_report_content ul li .text {
    max-width: 63%;
    margin-left: 10px;
  }
  .news_report_content ul .text h4 {
    line-height: 22px;
  }
  .news_report_content ul .text p {
    line-height: 19px;
    margin-top: 5px;
  }
  /* 展会专访 */
  .zhzf_content {
    flex-wrap: wrap;
  }
  .zhzf_content_item {
    width: 95%;
  }
  .zhzf_content_item video {
    width: 100%;
    height: 221px;
  }
  .zhzf_content_item p {
    line-height: 28px;
    margin: 6px 0 10px 0;
  }
  .ex-shopping {
    margin: 41px 0 52px 0;
  }
  .sbgz-swiper{
      width: 95%;
      margin: auto;
  }
  .character_posters {
    padding: 0 20px;
}

.swiper_posters {
  width: 95%;
  margin-bottom: 0;
  margin: auto;
}
.swiper_posters .swiper-slide {
    border: 0;
}
.swiper_posters .swiper-slide img {
  display: block;
  width: 86%;
  cursor: zoom-in;
  margin: auto;
}
.clone{
  right: 5%;
  top: -12%;
}
.big_sbgzimg {
  max-width: 80%;
}

}