.bg-swiper {
          width: 100%;
          height: 560px;
          min-width: 1300px;
          position: relative;
          /* z-index: 999; */
      }
      .bg-swiper .swiper-slide img {
          width: 100%;

          height: 560px;
          object-fit: cover;
      }
      .swiper-slide:hover{
        opacity: 1;
      }
      .swiper-slide-title{
        position: absolute;
        bottom: 160px;
        z-index: 10;
        width: 100%;
        text-align: center;
        color: #fff;
        font-weight: 500;
        font-size: 20px;
      }
      .bg-swiper .bg-swiper-pagination {
          position: absolute;
          bottom: 200px; /* 距离底部20px */
          left: 0;
          width: 100%;
          text-align: center;
          z-index: 20;
  
      }
      .search-box{
          position: absolute;
          bottom: 0;
          width: 100%;
          height: 95px;
          display: flex;
          justify-content: center;
          z-index: 1;
      }
 
      .main-section {
        display: flex;
        justify-content: space-between;
        align-items: flex-start;
        width: 100%;
        margin: 60px auto;
        gap: 30px;
      }
      .main-left, .main-right {
        width: 23%;
        background: #fff;
      }
      .main-center {
        width: 50%;
        background: #fff;
        display: flex;
        flex-direction: column;
        align-items: center;
      }
      .main-title {
        font-weight: 400;
        font-size: 18px;
        color: #111111;
        margin: 16px 0;
        padding-left: 10px;
          display: flex;
          justify-content: space-between;
      }
      .main-title span {
        color: #999;
        font-size: 16px;
        margin-left: 8px;
      }
      .main-news-list, .main-notice-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
      }
      .main-news-item, .main-notice-item {
        display: flex;
        flex-direction: column;
        gap: 6px;
       
        padding-bottom: 8px;
      }
      .main-news-item img, .main-notice-item img {
        width: 100%;
        height: 180px;
        object-fit: cover;
        border-radius: 4px;
        margin-bottom: 10px;
      }
      .main-news-title, .main-notice-title {
        font-size: 16px;
        color: #222;
        line-height: 55px;
        height: 60px;
        border-bottom: 1px solid #eee;
      }

      .main-news-title, .main-notice-title:hover {
          color: #3FA6E9;
      }
      .main-swiper {
        width: 100%;
        height: 420px;
  
      }
      .main-swiper-btm{
        display: flex;
        width: 100%;
        flex-direction: column;
        border-left: 1px solid #f1f1f1;
        border-right: 1px solid #f1f1f1;
      }
      .main-swiper-typetitle{
        font-size: 18px;
        margin: 15px 0 0;
        color: #3FA6E9;
        text-align: center;
      }
    .main-swiper-title {
      text-align: center;
      font-weight: 400;
      font-size: 20px;
      color: #111111;
      min-height: 60px;
      margin-top: 20px;
      padding: 0 20px;
    }
      .main-swiper-desc {
        text-align: center;
        font-weight: 400;
        font-size: 16px;
        color: #999999;
        min-height: 46px;
        padding: 0 20px;
        margin-top: 10px;
      }
      .main-swiper-buttons {
        display: flex;
        width: 100%;
        justify-content: space-between;
        padding: 0 40px;
        align-items: center;
        margin: 50px 0 0 0;
        gap: 30px;
      }
      .swiper-button-prev, .swiper-button-next {
        position: static !important; /* 取消默认绝对定位 */
        width: 27px;
        height: 15px;
        color: #fff;
  
      }
      .main-swiper-pagination {
        position: static !important;
        margin: -16px 20px 0;
      }
      .main-swiper-pagination .swiper-pagination-bullet{
        margin: 0 10px;
      }

      .external-links{
          display: flex;
          gap: 10px;
          flex-wrap: wrap;
      }
      .external-links li{
          width: 16%;
      }

      .external-links li a{
          background: #D0E6FF;
          display: flex;
          height: 80px;
          align-items: center;
          padding: 0 16px;
          border-radius: 4px;
      }
      .external-links-title{
          font-size: 16px;
          color: #333333;
          margin-left: 10px;
      }
      .external-links li a img{

        border-radius: 4px;
          width: 50px;
          height: 50px;
      }
      .research-section {
        margin: 70px auto ;
        background: #F2F6F9;
        padding: 80px 0;
          min-width: 1300px;
      }
     
    
      .research-content {
        display: flex;
        flex-wrap: wrap;
        gap: 24px 4%; /* 行间距24px，列间距4% */
      }
      .research-item {
        display: flex;
        align-items: center;
        border-bottom: 1px solid #eaeaea;
        padding-bottom: 12px;
        width: 48%;
        box-sizing: border-box;
      }
      .research-date {
        min-width: 60px;
        text-align: center;
        margin-right: 18px;
      }
      .research-date .day {
        display: block;
        font-size: 42px;
        color: #3fa6e9;
        font-weight: 400;
        line-height: 1;
      }
      .research-date .month {
        display: block;
        font-size: 12px;
        color: #3fa6e9;
        margin-top: 2px;
      }
      .research-text {
        font-size: 16px;
        color: #222;
        overflow: hidden;
        text-overflow: ellipsis;
        flex: 1;
      }
     
  
      .trade-union{
        margin: 70px auto ;
        background: #F2F6F9;
        padding: 80px 0;
          min-width: 1300px;
      }
  
      .news-img-list-wrap {
        display: flex;
        gap: 40px;
        align-items: stretch; /* 让左右两侧等高 */
      }
      .news-img-list {
        width: 50%;
        list-style: none;
        padding: 0;
        margin-top: 20px;
      }

      .news-img-list li {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-radius: 6px;
        padding: 0 32px 0 18px;
        height: 90px;
        font-size: 18px;
        cursor: pointer;
        transition: background 0.2s;
        position: relative;
      }
      .news-img-list li.active, .news-img-list li:hover {
        background: #fff;
      }

      .news-img-list li.active a,
      .news-img-list li:hover a,
      .news-img-list li.active .news-date,
      .news-img-list li:hover .news-date {
        color: #3fa6e9;
      }
      .news-img-list li a {
        color: #222;
        text-decoration: none;
        flex: 1;
        z-index: 4;
        font-size: 18px;
        transition: color 0.2s;
      }
      .news-img-list .news-date {
        color: #999;
        font-size: 16px;
        margin-left: 24px;
        flex-shrink: 0;
        transition: color 0.2s;
        z-index: 4;
      }
      .news-img-list-img {
        width: 50%;
        display: flex;
        align-items: center;
        height: 400px;
      }
      .news-img-list-img img {
        width: 100%;
        height: 100%;
        border-radius: 8px;
        object-fit: cover;
        background: #eee;
        display: none;
      }
      .news-img-item { display: none; }
      .news-img-item.active { display: block; }