.swiper_pc {
  display: block;
}

.swiper_mobile {
  display: none;
}

@media (max-width: 750px) {
  html {
    font-size: 13.3333vw;
    width: 100vw;
  }

  #siteTop {
    display: none;
  }

  .index_nav {
    position: fixed;
    left: 0px;
    top: 0px;
    width: 100%;
    z-index: 9;
  }

  .w12 {
    width: 100vw;
    box-sizing: border-box;
  }
  .havDrop {
    position: relative;
  }

  .havDrop>a {
    position: static;
    padding-right: 0px;
  }

  .havDrop>a::after {
    content: '<';
    left: 0.3rem;
    top: 0px;
    border: none;
    width: auto;
    height: auto;
    right: auto;
    line-height: 0.88rem;
  }

  #sectionSummary, #sectionAgenda, #sectionSpeakers, #registBtn {
    margin-top: 0;
    top: -0.88rem;
  }

  .share {
    display: none;
    width: 100vw;
  }

  .part {
    padding: 0 0.3rem;
    overflow: hidden;
    box-sizing: border-box;
  }

  .partTitle {
    height: 0.84rem;
    margin-bottom: 0.45rem;
    margin-top: 0.8rem;
    padding-left: 0.92rem;
    padding-top: 0;
  }

  .partTitle::before {
    top: 0.05rem;
    width: 0.72rem;
    height: 0.72rem;
  }

  .partTitle h3 {
    font-size: 0.36rem;
    line-height: 0.5rem;
  }

  .partTitle div {
    margin-top: 0;
    font-size: 0.24rem;
    color: #dee0e5;
    line-height: 0.33rem;
  }

  .partContent1 {
    width: 100%;
    height: auto;
    flex-direction: column;
  }

  .partContent1 img {
    display: block;
    margin-bottom: 0.8rem;
    width: 6.9rem;
    height: 3.5rem;
  }

  .partContent1>div {
    padding-bottom: 0.44rem;
    width: 100%;
    box-sizing: border-box;
    font-size: 0.28rem;
    font-weight: 400;
    text-align: justify;
    color: #ffffff;
    line-height: 0.5rem;
    order: 1;
  }

  .fixRight {
    right: 0;
    width: 1.2rem;
    height: 1.2rem;
  }

  .fixRight a {
    width: 100%;
    height: 100%;
    background: url(../images/right3.png) left top no-repeat;
    background-size: 100% 100%;
  }

  .fixRight span {
    width: 0.32rem;
    height: 0.32rem;
    right: 50%;
    bottom: -0.42rem;
    top: auto;
    margin-right: -0.16rem;
  }

  .partContent2 {
    position: relative;
    padding-left: 0;
    padding-right: 0;
  }

  .partContent2>div {
    display: block;
    padding-left: 0.3rem;
    padding-right: 0.3rem;
  }

  .partContent2>div:nth-child(2) {
    padding-top: 0.6rem;
  }

  .modeTr span:first-child::before,
  .modeTr span:first-child::after,
  .modeTr span:nth-child(2)::before {
    display: none;
  }

  .modeTr {
    padding: 0.24rem 0;
  }

  .modeTr:nth-child(2n-1) {}

  .modeTr span {
    display: block;
    padding-left: 0 !important;
  }

  .modeTh {
    display: none !important;
  }

  .modeTr span {
    width: 100% !important;
    border: none;
  }

  .modeTr {
    height: auto;
    line-height: 0.4rem;
  }

  .modeTr span:nth-child(2) {
    font-size: 0.32rem;
    font-family: PingFang SC, PingFang SC-Bold;
    font-weight: 700;
    text-align: left;
    color: #ffffff;
    line-height: 0.44rem;
  }

  .modeTr span:first-child {
    font-size: 0.28rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #FFFFFF;
    line-height: 0.4rem;
    margin-bottom: 0.08rem;
  }

  .modeTr span:nth-child(3), .modeTr span:nth-child(4) {
    font-size: 0.28rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #DEE0E5;
    display: inline-block;
    width: auto !important;
    line-height: 0.4rem;
    margin-top: 0.08rem;
  }

  .modeTr span:nth-child(3) {
    margin-right: 0.1rem;
  }

  .line2 div {
    display: inline-block;
    margin-left: 0.1rem;
  }

  .swiper_pc {
    display: none;
  }

  .swiper_mobile {
    display: block;
  }

  .partContent3 .swiper {
    width: 100%;
    margin-left: 0;
    padding-bottom: 0 !important;
    position: relative;
  }

  .partContent3 .swiper-button-prev,
  .partContent3 .swiper-button-next {
    display: none;
  }

  .swiperItem {
    width: 3.3rem;
    height: 4.42rem;
    overflow: hidden;
    border-radius: 0.06rem;
  }

  .swiperItem img {
    display: block;
    width: 100%;
    height: 100%;
  }

  .personDesc {
    position: absolute;
    left: 0px;
    bottom: 0px;
    background-size: 100% 100%;
    padding: 0.2rem 0.23rem;
    box-sizing: border-box;
    width: 100%;
    height: 1.5rem;
  }

  .personDesc h3 {
    font-size: 0.3rem;
    font-family: PingFang SC, PingFang SC-Bold;
    font-weight: 700;
    text-align: right;
    color: #ffffff;
    line-height: 0.42rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-break: break-all;
  }

  .personDesc div {
    font-size: 0.24rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: right;
    color: #ffffff;
    line-height: 0.32rem;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    word-break: break-all;
  }

  .part3 .swiper-pagination {
    padding-top: 0.4rem;
  }

  .partContent3 {
    padding-bottom: 1.68rem
  }

  .part3 .swiper-button-next, .part3 .swiper-button-prev {
    width: 0.48rem;
    height: 0.48rem;
    top: auto;
    bottom: 0.8rem;
  }

  .part3 .swiper-button-prev {
    left: 2.23rem;
  }

  .part3 .swiper-button-next {
    right: 2.23rem;
  }

  .part3 .swiper-pagination-bullet {
    width: 0.16rem;
    height: 0.08rem;
    opacity: 0.2;
    background: #ffffff;
    border-radius: 0.04rem;
  }

  .part3 .swiper-pagination-bullet-active {
    background: #F8BC24;
    opacity: 1;
  }

  .part3 .tips {
    display: none;
  }

  .partTitle4 {
    margin-bottom: 0.4rem;
  }

  .partTip4 {
    width: 2.64rem;
    right: 0.3rem;
    top: 0.89rem;
    font-size: 0.24rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #B5B6BA;
    line-height: 0.32rem;
  }

  .partContent4 {
    width: 100%;
    height: auto;
    background: none;
  }

  .partContent4 ul {
    padding: 0;
  }

  .partContent4 ul li {
    display: block;
    margin-top: 0px;
  }

  .partContent4 ul li span {
    width: 1.2rem;
    font-size: 0.3rem;
  }

  .partContent4 ul li .qItem {
    margin-top: 0.4rem;
    font-size: 0.3rem;
  }

  .partContent4 button {
    display: block;
    border: none;
    width: 6.3rem;
    height: 0.88rem;
    line-height: 0.88rem;
    background: var(--apply-btn-color);
    border-radius: 0.08rem;
    margin: 0.8rem auto 0;
    font-size: 0.3rem;
    font-weight: 400;
    color: var(--apply-color);
    margin-top: 0.4rem;
    margin-bottom: 0.8rem;
  }

  .partContent5 {
    margin-left: -0.3rem;
    width: 100vw;
    height: 5.6rem;
    background: url(../images/home/map_m.png) 0 0 no-repeat;
    background-size: 100% 100%;
  }

  .partContent6 {
    height: auto;
    padding: 0.1rem;
    border-radius: 0;
  }

  .part7 {
    padding-bottom: 0.8rem;
  }

  /* 鑱旂郴鎴戜滑 */
  .contact {
    padding: 0 0.3rem 0.6rem;
    height: auto;
  }

  .contact .w12 {
    padding-top: 0;
  }

  .t8 {
    width: 2.26rem;
    height: 1.25rem;
  }

  .content_left {
    font-size: 16px;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #cedae6;
    line-height: 25px;
    padding-left: 0px;
  }

  .contactWrap, .contactWrap .content_left {
    display: block;
  }

  .content_left>ul:first-child {
    margin-top: 0.52rem;
    margin-right: 0;
  }

  .content_left>ul li:first-child {
    margin-bottom: 0.16rem;
    font-size: 0.3rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #FFFFFF;
    line-height: 0.42rem;
    opacity: 1;
  }

  .content_left ul li {
    font-size: 0.28rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: left;
    color: #FFFFFF;
    opacity: 0.8;
    line-height: 0.46rem;
  }

  .content_left>ul:last-child {
    margin-top: 0.4rem;
    margin-bottom: 0.4rem;
  }

  .content_right {
    align-items: center;
    justify-content: space-between;
    margin-top: 0.4rem;
  }

  .content_right>div {
    margin-left: 0px;
  }

  .content_right img {
    width: 2.6rem;
    height: 2.6rem;
  }

  .content_right>div p {
    font-size: 0.26rem;
    font-family: PingFang SC, PingFang SC-Regular;
    font-weight: 400;
    text-align: center;
    color: #cedae6;
    line-height: 0.37rem;
    margin-top: 0.2rem;
  }

  /* footer */
  .footer {
    display: none;
  }

  #address_select {
    display: flex;
    flex: 1;
    overflow: hidden;
  }

  #address_select .province {
    margin-right: 10px;
  }

  .partContent4 ul li .qItem>input,
  .partContent4 ul li .qItem>select {
    flex: 1;
    font-size: 0.3rem;
    height: 0.8rem;
    line-height: 0.8rem;
  }

  .tips {
    text-align: center;
    font-size: 0.24rem;
    padding: 0.3rem 0 0.8rem;
  }

  .form_tips {
    width: 100%;
    margin-top: 0.4rem;
    font-size: 0.24rem;
    color: #FFFFFF;
    opacity: 0.8;
    line-height: 0.32rem;
  }

  .czcs_content li img {
    width: 2rem;
    height: 0.75rem;
    margin-right: 0.18rem;
  }

  .part7 h4 {
    font-size: 0.28rem;
    padding-top: 0.4rem;
    padding-bottom: 0.18rem;
    line-height: 0.4rem;
    margin-top: 0px;
    margin-bottom: 0px;
  }

  .sponsor {
    width: 1.7rem;
    height: 0.72rem;
    background: url(../images/sponsor/1-2.png) left top no-repeat;
    background-size: 100% 100%;
  }

  .support {
    width: 6.9rem;
    height: 0.72rem;
    background: url(../images/sponsor/2-2.png) left top no-repeat;
    background-size: 100% 100%;
  }

  .media {
    height: 3rem;
    background: url(../images/sponsor/3-2.png) left top no-repeat;
    background-size: 100% 100%;
  }

  .contact .w12 {
    width: 100%;
  }
}