/* 使用类选择器避免全局样式冲突 */
      .case-study-container {
        max-width: 880px;
        margin: 0 auto;
        padding: 20px;
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Arial, sans-serif;
        line-height: 1.6;
        color: #333333;
        background-color: #ffffff;
      }

      .hero-section {
        background: linear-gradient(135deg, #223777 0%, #1a2a5e 100%);
        color: #ffffff;
        padding: 40px 30px;
        margin: -20px -20px 40px -20px;
        text-align: center;
        border-radius: 0;
      }

      .hero-section h1 {
        color: #ffffff;
        margin: 0 0 16px 0;
        font-weight: 700;
        font-size: clamp(1.5rem, 4vw, 2.2rem);
        line-height: 1.2;
      }

      .hero-section p {
        color: #e8f2ff;
        font-size: clamp(1rem, 2.5vw, 1.1rem);
        margin: 0;
      }

      .section-header {
        background-color: #223777;
        color: #ffffff;
        padding: 16px 24px;
        margin: 32px 0 20px 0;
        font-weight: 600;
        font-size: clamp(1.1rem, 2.5vw, 1.3rem);
        border-radius: 4px;
      }

      .content-section {
        background-color: #ffffff;
        padding: 24px;
        margin-bottom: 24px;
        border-left: 4px solid #223777;
        border-radius: 0 4px 4px 0;
        box-shadow: 0 2px 4px rgba(0,0,0,0.05);
      }

      .content-section h3 {
        color: #223777;
        margin: 0 0 16px 0;
        font-weight: 600;
        font-size: clamp(1.1rem, 2.5vw, 1.2rem);
      }

      .content-section p {
        color: #444444;
        line-height: 1.7;
        margin: 0 0 16px 0;
      }

      .content-section p:last-child {
        margin-bottom: 0;
      }

      .content-section ul {
        color: #444444;
        margin: 16px 0;
        padding-left: 20px;
      }

      .content-section li {
        color: #444444;
        line-height: 1.7;
        margin-bottom: 8px;
      }

      .image-container {
        text-align: center;
        margin: 32px 0;
        background-color: #f8f9fa;
        padding: 24px;
        border: 2px solid #e9ecef;
        border-radius: 8px;
      }

      .image-container img {
        max-width: 100%;
        height: auto;
        border: 3px solid #223777;
        border-radius: 4px;
        display: block;
        margin: 0 auto;
      }

      .image-caption {
        color: #223777;
        font-weight: 600;
        margin-top: 12px;
        font-size: clamp(1rem, 2vw, 1.1rem);
      }

      .service-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
        margin: 24px 0;
      }

      .service-item {
        background-color: #f8f9fa;
        padding: 20px;
        border-left: 4px solid #223777;
        border-radius: 0 4px 4px 0;
        transition: transform 0.2s ease, box-shadow 0.2s ease;
      }

      .service-item:hover {
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(34, 55, 119, 0.1);
      }

      .service-item h4 {
        color: #223777;
        margin: 0 0 10px 0;
        font-weight: 600;
        font-size: clamp(1rem, 2vw, 1.1rem);
      }

      .service-item p {
        color: #555555;
        margin: 0;
        line-height: 1.6;
      }

      .feedback-section {
        background: linear-gradient(135deg, #223777 0%, #1a2a5e 100%);
        color: #ffffff;
        padding: 32px;
        margin: 32px 0;
        text-align: center;
        border-radius: 8px;
      }

      .feedback-section h3 {
        color: #ffffff;
        margin: 0 0 20px 0;
        font-size: clamp(1.2rem, 3vw, 1.4rem);
      }

      .feedback-section p {
        color: #e8f2ff;
        font-size: clamp(1rem, 2.5vw, 1.1rem);
        font-style: italic;
        margin: 0 0 16px 0;
        line-height: 1.6;
      }

      .feedback-section p:last-child {
        margin-bottom: 0;
      }

      .cta-section {
        background-color: #223777;
        color: #ffffff;
        padding: 40px 30px;
        text-align: center;
        margin: 40px -20px -20px -20px;
        border-radius: 0;
      }

      .cta-section h2 {
        color: #ffffff;
        margin: 0 0 20px 0;
        font-size: clamp(1.3rem, 3.5vw, 1.8rem);
      }

      .cta-section p {
        color: #e8f2ff;
        margin: 0 0 24px 0;
        line-height: 1.6;
      }

      .contact-info {
        display: flex;
        justify-content: center;
        gap: 20px;
        flex-wrap: wrap;
        margin-top: 24px;
      }

      .contact-item {
        background-color: rgba(255, 255, 255, 0.1);
        padding: 16px 24px;
        border-radius: 8px;
        transition: background-color 0.2s ease;
      }

      .contact-item:hover {
        background-color: rgba(255, 255, 255, 0.15);
      }

      .contact-item div:first-child {
        font-size: 0.9rem;
        margin-bottom: 4px;
        opacity: 0.9;
      }

      .contact-item a {
        color: #ffffff;
        text-decoration: none;
        font-weight: 600;
      }

      .contact-item a:hover {
        text-decoration: underline;
      }

      .highlight-box {
        background-color: #e8f2ff;
        border: 2px solid #223777;
        padding: 20px;
        margin: 24px 0;
        text-align: center;
        border-radius: 8px;
      }

      .highlight-box p {
        color: #223777;
        font-weight: 600;
        margin: 0;
        line-height: 1.5;
      }

      .highlight-box a {
        color: #223777;
        text-decoration: underline;
      }

      /* 响应式设计优化 */
      @media (max-width: 768px) {
        .case-study-container {
          padding: 10px;
        }
        
        .hero-section,
        .cta-section {
          margin-left: -10px;
          margin-right: -10px;
          padding: 24px 15px;
        }
        
        .content-section {
          padding: 16px;
        }
        
        .contact-info {
          flex-direction: column;
          align-items: center;
          gap: 12px;
        }
        
        .contact-item {
          width: 100%;
          max-width: 280px;
          text-align: center;
        }
        
        .service-grid {
          grid-template-columns: 1fr;
        }
        
        .image-container {
          padding: 16px;
        }
      }
      
      @media (max-width: 480px) {
        .section-header {
          padding: 12px 16px;
          font-size: 1.1rem;
        }
        
        .service-item {
          padding: 16px;
        }
        
        .feedback-section {
          padding: 24px 16px;
        }
      }

      /* 确保在ueeshop环境中的兼容性 */
      .case-study-container * {
        box-sizing: border-box;
      }
      
      .case-study-container img {
        max-width: 100%;
        height: auto;
      }
      
      /* 防止与平台样式冲突的重置 */
      .case-study-container h1,
      .case-study-container h2,
      .case-study-container h3,
      .case-study-container h4,
      .case-study-container p,
      .case-study-container ul,
      .case-study-container li {
        margin-top: 0;
      }