/* 内容区域 */
    .about-content-section {
      padding: 60px 0;
    }
    
    .about-content-section .about-intro {
      background-color: white;
      padding: 40px;
      border-radius: 8px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      margin-bottom: 30px;
    }
    
    .about-content-section .about-intro h3 {
      color: var(--primary-dark);
      margin-bottom: 25px;
      font-size: 1.8rem;
      position: relative;
      padding-bottom: 15px;
    }
    
    .about-content-section .about-intro h3::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 60px;
      height: 3px;
      background-color: var(--primary-color);
    }
    
    .about-content-section .about-intro p {
      line-height: 1.8;
      margin-bottom: 20px;
      color: #555;
    }
    
    .about-content-section .about-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      margin-top: 40px;
    }
    
    .about-content-section .stat-item {
      flex: 1;
      min-width: 200px;
      text-align: center;
      padding: 20px;
      background-color: var(--primary-light);
      border-radius: 8px;
      transition: transform 0.3s ease;
    }
    
    .about-content-section .stat-item:hover {
      transform: translateY(-5px);
    }
    
    .about-content-section .stat-number {
      font-size: 2.5rem;
      font-weight: 700;
      color: var(--primary-dark);
      margin-bottom: 10px;
    }
    
    .about-content-section .stat-text {
      color: #555;
      font-weight: 500;
    }
    

    
    /* 荣誉证书轮播区域 - 优化版 */
    .certificates-section {
      padding: 80px 0;
      background-color: var(--gray-light);
      position: relative;
    }
    
    /* 轮播容器外包裹，增加左右边距 */
    .certificates-container {
      padding: 0 20px; /* 减少内边距，为外部箭头留出空间 */
      max-width: 1600px; /* 限制最大宽度，避免过宽 */
      margin: 0 auto;
      position: relative; /* 相对定位，让箭头可以绝对定位 */
    }
    
    /* Swiper容器样式 */
    .certificates-swiper {
      width: 100%;
      padding: 30px 0 60px; /* 增加底部padding确保轮播点显示 */
      position: relative;
    }
    
    /* 轮播项样式 */
    .swiper-slide {
      display: flex;
      justify-content: center;
      padding: 0 15px;
    }
    
    .certificate-item {
      background-color: white;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      width: 100%;
      max-width: 320px; /* 增大证书卡片宽度 */
    }
    
    .certificate-item:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    }
    
    .certificate-img {
      height: 240px; /* 增大图片高度 */
      overflow: hidden;
    }
    
    .certificate-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    
    .certificate-item:hover .certificate-img img {
      transform: scale(1.05);
    }
    
    .certificate-info {
      padding: 25px; /* 增加内边距 */
      text-align: center;
    }
    
    .certificate-info h4 {
      font-size: 1.3rem; /* 增大标题字体 */
      margin-bottom: 12px;
      color: var(--primary-dark);
    }
    
    .certificate-info p.text-muted {
      font-size: 1.05rem; /* 增大描述字体 */
    }
    
    /* 轮播箭头样式 - 优化版 */
    .swiper-button-prev,
    .swiper-button-next {
      width: 40px; /* 缩小箭头尺寸 */
      height: 40px;
      background-color: var(--primary-color); /* 浅蓝色背景 */
      border-radius: 50%;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
      color: white; /* 白色箭头 */
      top: 50%;
      transform: translateY(-50%);
      transition: all 0.3s ease;
      z-index: 10; /* 确保箭头在最上层 */
    }
    
    /* 箭头位置调整到轮播图外侧 */
    .swiper-button-prev {
      left: -20px; /* 向左移动到轮播外侧 */
    }
    
    .swiper-button-next {
      right: -20px; /* 向右移动到轮播外侧 */
    }
    
    /* 缩小箭头图标大小 */
    .swiper-button-next svg, 
    .swiper-button-prev svg {
        height: 50%;
        width: 50%;
    }
    
    .swiper-button-prev:hover,
    .swiper-button-next:hover {
      background-color: var(--primary-dark); /* 深色背景hover效果 */
      transform: translateY(-50%) scale(1.1);
      color: white; /* 保持白色 */
    }
    
    .swiper-button-prev::after,
    .swiper-button-next::after {
      font-size: 1rem; /* 缩小箭头图标 */
      font-weight: bold;
    }
    
    /* 轮播点样式 */
    .swiper-pagination {
      bottom: 0 !important; /* 调整位置确保显示 */
      position: relative !important; /* 修复定位问题 */
      margin-top: 20px;
    }
    
    .swiper-pagination-bullet {
      width: 12px;
      height: 12px;
      background-color: #ddd;
      opacity: 1;
      margin: 0 6px !important;
      transition: all 0.3s ease;
    }
    
    .swiper-pagination-bullet-active {
      background-color: var(--primary-color);
      width: 35px;
      border-radius: 6px;
    }
    
    /* 我们的业务区域 */
    .our-business-section {
      padding: 100px 0;
      background-color: white;
      position: relative;
      z-index: 1;
    }
    
    .business-wrapper {
      max-width: 1600px;
      margin: 0 auto;
      padding: 0 20px;
    }
    
    .business-cards {
      display: grid;
      grid-template-columns: repeat(3, 1fr); /* 固定三列布局 */
      gap: 40px;
    }
    
    .business-card {
      background-color: white;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    
    .business-card:hover {
      transform: translateY(-10px);
      box-shadow: 0 15px 30px rgba(77, 166, 255, 0.15);
    }
    
    .business-img {
      height: 280px;
      overflow: hidden;
    }
    
    .business-img img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    
    .business-card:hover .business-img img {
      transform: scale(1.05);
    }
    
    .business-content {
      padding: 35px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }
    
    .business-content h3 {
      color: var(--primary-dark);
      margin-bottom: 20px;
      font-size: 1.6rem;
      text-align: center;
    }
    
    .business-content p {
      color: #555;
      line-height: 1.8;
      margin-bottom: 30px;
      font-size: 1.05rem;
      text-align: center;
      flex: 1;
    }
    
    .business-link-container {
      text-align: center;
      margin-top: auto;
    }
    
    .business-link {
      display: inline-block;
      color: var(--primary-color);
      text-decoration: none;
      font-weight: 500;
      transition: all 0.3s ease;
      font-size: 1.05rem;
      position: relative;
      padding: 5px 0;
    }
    
    .business-link::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      width: 0;
      height: 2px;
      background-color: var(--primary-color);
      transition: width 0.3s ease;
    }
    
    .business-link:hover {
      color: var(--primary-dark);
      padding-left: 0;
    }
    
    .business-link:hover::after {
      width: 100%;
    }
    
    .business-link i {
      margin-left: 5px;
      transition: transform 0.3s ease;
    }
    
    .business-link:hover i {
      transform: translateX(5px);
    }
    
    /* 响应式调整 */

    
    @media (max-width: 1200px) {
      .business-cards {
        grid-template-columns: repeat(2, 1fr); /* 中等屏幕两列 */
      }
    }
    
    @media (max-width: 992px) {
      .business-img {
        height: 240px;
      }
      
      /* 平板屏幕箭头位置调整 */
      .swiper-button-prev {
        left: -15px;
      }
      
      .swiper-button-next {
        right: -15px;
      }
    }
    
    @media (max-width: 768px) {
     
      .section-padding {
        padding: 50px 0;
      }
      
      .our-business-section {
        padding: 70px 0;
      }

      .business-img {
        height: 200px;
      }
    }
    
    @media (max-width: 576px) {
      
      .stat-number {
        font-size: 2rem;
      }
      
      .business-cards {
        grid-template-columns: 1fr; /* 手机屏幕单列 */
      }
      
      .breadcrumb-search input {
        width: 150px;
      }
      


      .business-img {
        height: 180px;
      }
      
      /* 手机屏幕箭头位置和大小调整 */
      .swiper-button-prev,
      .swiper-button-next {
        width: 36px;
        height: 36px;
        left: -10px;
        right: -10px;
      }
    }

    /* 荣誉资质版块 */
    .certificates-list-section {
      padding: 80px 0;
      background-color: white;
    }
    
    .certificates-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 30px;
      margin-bottom: 40px;
    }
    
    .certificate-grid-item {
      background-color: white;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
      transition: all 0.3s ease;
      text-align: center;
    }
    
    .certificate-grid-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .certificate-thumb {
      height: 200px;
      overflow: hidden;
    }
    
    .certificate-thumb img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }
    
    .certificate-grid-item:hover .certificate-thumb img {
      transform: scale(1.05);
    }
    
    .certificate-grid-title {
      padding: 20px 15px;
      font-weight: 500;
      color: var(--text-dark);
    }
    

    @media (max-width: 1200px) {
      .certificates-grid {
        grid-template-columns: repeat(3, 1fr);
      }
    }
    
    @media (max-width: 992px) {
     
      .certificates-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }
    
    @media (max-width: 768px) {

      .section-padding {
        padding: 50px 0;
      }
    }
    
    @media (max-width: 576px) {
      /* 荣誉资质 */
      .certificates-grid {
        grid-template-columns: 1fr;
      }
    }