/* 修改导航菜单悬停行为 */
 .nav>ul>li>div {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 8;
    line-height: normal;
    visibility: hidden;
    opacity: 0;
    transition: all .5s;
    z-index: -999;
  }
  
  /* 当鼠标悬停在特定菜单项上时，只显示该菜单的子菜单 */
  .nav>ul>li:hover>div {
    visibility: visible;
    opacity: 1;
    z-index: 9;
  }
  
  /* 移除原有的全部显示机制 */
  .nav-bj {
    position: absolute;
    left: 50%;
    transform: translateX(-50%) scaleY(0);
    top: 100%;
    width: 100%;
    z-index: -999;
    height: 300px;
    background: rgba(255, 255, 255, .5);
    transition: all 0.5s;
    transform-origin: center top;
  }
  
  .nav>ul>li:hover ~ .nav-bj,
  .nav:hover .nav-bj {
    transform: translateX(-50%) scaleY(1);
    z-index: 1;
  }
  
  
  
  /* 底部社交图标样式 */
  .foot-r {
    display: flex;
    justify-content: space-between;
    align-items: center;
  }
  
  .foot-info {
    flex: 1;
  }
  
  .foot-social {
    margin-left: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 100%;
  }
  
  .social-icons {
    display: flex;
    flex-direction: row;
    align-items: center;
  }
  
  .social-icons .icon-item {
    position: relative;
    margin-right: 25px;
    margin-bottom: 0;
    cursor: pointer;
  }
  
  .social-icons .icon-item img {
    width: 45px;
    height: 45px;
    transition: transform 0.3s;
  }
  
  .social-icons .icon-item:hover img {
    transform: scale(1.1);
  }
  
  .social-icons .qrcode {
    position: absolute;
    bottom: 20px;
    right: auto;
    top: auto;
    left: 0%;
    transform: translateX(-50%) scale(0);
    background-color: #fff;
    padding: 8px;
    border-radius: 4px;
    box-shadow: 0 0 10px rgba(0,0,0,0.2);
    opacity: 0;
    transition: all 0.3s;
    pointer-events: none;
    z-index: 10;
  }
  
  .social-icons .qrcode img {
    width: 120px;
    height: 120px;
  }
  
  .social-icons .icon-item:hover .qrcode {
    opacity: 1;
    transform: translateY(-50%) scale(1);
  }
  
  /* 移动端适配 */
  @media screen and (max-width: 768px) {
    .foot-r {
      flex-direction: column;
    }
    
    .foot-social {
      margin-left: 0;
      margin-top: 20px;
    }
    
    .social-icons {
      flex-direction: row;
    }
    
    .social-icons .icon-item {
      margin-right: 15px;
      margin-bottom: 0;
    }
    
    .social-icons .qrcode {
      right: auto;
      bottom: 40px;
      top: auto;
      left: 50%;
      transform: translateX(-50%) scale(0);
    }
    
    .social-icons .icon-item:hover .qrcode {
      transform: translateX(-50%) scale(1);
    }
  }
  
  /* 图文列表样式 */
  .list-container {
    display: flex;
    flex-wrap: wrap;
    margin: -10px;  /* 减小间距 */
    padding: 30px 0;
  }
  
  .list-item {
    width: calc(20% - 20px);  /* 改为5个一行 */
    margin: 10px;  /* 减小间距 */
    background: #fff;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    transition: all 0.3s ease;
    position: relative; /* 添加相对定位 */
  }
  
  .list-item a {
    display: block;
    text-decoration: none;
    color: inherit;
    height: 100%;
  }
  
  .list-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 5px 20px rgba(0,0,0,0.15);
  }
  
  .list-item-image {
    position: relative;
    padding-bottom: 133.33%; /* 3:4比例 */
    overflow: hidden;
  }
  
  .list-item-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s ease;
  }
  
  .list-item:hover .list-item-image img {
    transform: scale(1.05);
  }
  
  .list-item-content {
    padding: 15px;  /* 减小内边距 */
  }
  
  .list-item-title {
    font-size: 16px;  /* 稍微减小字号 */
    color: #333;
    margin-bottom: 8px;
    font-weight: bold;
    line-height: 1.4;
    height: 44px;
    overflow: hidden;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
  }
  
  .list-item-position {
    font-size: 14px;
    color: #666;
    line-height: 1.4;
  }
  
  /* 响应式布局 */
  @media screen and (max-width: 1400px) {
    .list-item {
      width: calc(25% - 20px);  /* 4个一行 */
    }
  }
  
  @media screen and (max-width: 1200px) {
    .list-item {
      width: calc(33.33% - 20px);  /* 3个一行 */
    }
  }
  
  @media screen and (max-width: 992px) {
    .list-item {
      width: calc(50% - 20px);  /* 2个一行 */
    }
  }
  
  @media screen and (max-width: 576px) {
    .list-item {
      width: calc(100% - 20px);  /* 1个一行 */
    }
  }