.section-padding {
    padding: var(--spacing-xxxl) 0;
  }
  
  .section-title {
    text-align: center;
    margin-bottom: var(--spacing-xxl);
  }
  
  .section-title h2 {
    font-size: var(--font-size-xlarge);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
    position: relative;
    display: inline-block;
  }
  
  .section-title h2::after {
    content: '';
    position: absolute;
    bottom: -12px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--color-primary);
  }
  
  .section-title p {
    font-size: var(--font-size-large);
    color: var(--color-text-light);
    max-width: 700px;
    margin: var(--spacing-xl) auto 0;
  }
  
  .btn {
    display: inline-block;
    background: var(--color-primary);
    color: white;
    padding: var(--spacing-sm) var(--spacing-lg);
    border-radius: var(--border-radius-md);
    text-decoration: none;
    font-weight: var(--font-weight-bold);
    transition: var(--transition-normal);
    border: none;
    cursor: pointer;
    font-size: var(--font-size-base);
  }
  
  .btn:hover {
    background: var(--color-primary-dark);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(229, 57, 53, 0.3);
  }
  
  .btn-outline {
    background: transparent;
    border: 2px solid var(--color-primary);
    color: var(--color-primary);
  }
  
  .btn-outline:hover {
    background: var(--color-primary);
    color: white;
  }
  
  /* 服务导航 */
  .service-nav {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: var(--spacing-sm);
    margin: var(--spacing-xl) 0 var(--spacing-xxl);
    position: sticky;
    top: 20px;
    z-index: 100;
  }
  
  .service-nav a {
    display: block;
    padding: var(--spacing-sm) var(--spacing-lg);
    background: var(--color-background-light);
    color: var(--color-text);
    text-decoration: none;
    border-radius: var(--border-radius-md);
    transition: var(--transition-normal);
    font-weight: var(--font-weight-bold);
    border: 1px solid var(--color-border);
    min-width: 150px;
    text-align: center;
  }
  
  .service-nav a:hover,
  .service-nav a.active {
    background: var(--color-primary);
    color: white;
    border-color: var(--color-primary);
  }
  
  /* 服务分类区域 */
  .service-category {
    margin-bottom: var(--spacing-xxxl);
    padding: var(--spacing-xxl) 0;
    border-bottom: 1px solid var(--color-border);
  }
  
  .service-header {
    display: flex;
    align-items: center;
    margin-bottom: var(--spacing-xl);
  }
  
  .service-icon {
    width: 70px;
    height: 70px;
    background: rgba(229, 57, 53, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: var(--font-size-xlarge);
    color: var(--color-primary);
    margin-right: var(--spacing-lg);
  }
  
  .service-title {
    font-size: var(--font-size-xlarge);
    color: var(--color-secondary);
  }
  
  .service-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-xl);
  }
  
  .service-description {
    font-size: var(--font-size-large);
    color: var(--color-text);
    line-height: 1.7;
    margin-bottom: var(--spacing-xl);
  }
  
  .service-image {
    height: 350px;
    border-radius: var(--border-radius-lg);
    overflow: hidden;
    box-shadow: var(--box-shadow-md);
  }
  
  .service-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: var(--transition-slow);
  }
  
  .service-image:hover img {
    transform: scale(1.05);
  }
  
  .service-features {
    list-style: none;
    margin-bottom: var(--spacing-xl);
  }
  
  .service-features li {
    display: flex;
    align-items: flex-start;
    margin-bottom: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-border);
  }
  
  .service-features li i {
    color: var(--color-primary);
    font-size: var(--font-size-large);
    min-width: 30px;
    margin-top: var(--spacing-xs);
  }
  
  .feature-text h4 {
    font-size: var(--font-size-large);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-xs);
  }
  
  /* 流程部分 */
  .process-section {
    background: var(--color-background-light);
    border-radius: var(--border-radius-lg);
    padding: var(--spacing-xl);
    margin-top: var(--spacing-xl);
  }
  
  .process-title {
    font-size: var(--font-size-large);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-lg);
    text-align: center;
    position: relative;
  }
  
  .process-title::after {
    content: '';
    position: absolute;
    bottom: -10px;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background: var(--color-primary);
  }
  
  .process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: var(--spacing-lg);
    counter-reset: step;
  }
  
  .process-step {
    position: relative;
    padding: var(--spacing-lg);
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    box-shadow: var(--box-shadow-sm);
    text-align: center;
  }
  
  .process-step::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -20px;
    left: 50%;
    transform: translateX(-50%);
    width: 40px;
    height: 40px;
    background: var(--color-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: var(--font-weight-bold);
    font-size: var(--font-size-large);
  }
  
  .step-icon {
    font-size: var(--font-size-xlarge);
    color: var(--color-primary);
    margin-bottom: var(--spacing-md);
  }
  
  .step-title {
    font-size: var(--font-size-large);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
  }
  
  /* 服务优势 */
  .benefits-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: var(--spacing-lg);
    margin-top: var(--spacing-xl);
  }
  
  .benefit-card {
    background: var(--color-background);
    border-radius: var(--border-radius-md);
    padding: var(--spacing-lg);
    text-align: center;
    box-shadow: var(--box-shadow-sm);
    border-top: 4px solid var(--color-primary);
    transition: var(--transition-normal);
  }
  
  .benefit-card:hover {
    transform: translateY(-10px);
    box-shadow: var(--box-shadow-md);
  }
  
  .benefit-icon {
    width: 60px;
    height: 60px;
    background: rgba(229, 57, 53, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto var(--spacing-lg);
    font-size: var(--font-size-xlarge);
    color: var(--color-primary);
  }
  
  .benefit-card h4 {
    font-size: var(--font-size-large);
    color: var(--color-secondary);
    margin-bottom: var(--spacing-sm);
  }
  
  /* 响应式设计 */
  @media (max-width: 992px) {
    .service-content {
      grid-template-columns: 1fr;
    }
    
    .service-image {
      order: -1;
    }
  }
  
  @media (max-width: 768px) {
    .section-padding {
      padding: var(--spacing-xxl) 0;
    }
    
    .service-nav {
      position: static;
      flex-direction: column;
      align-items: center;
      max-width: 300px;
      margin: var(--spacing-xl) auto;
    }
    
    .service-nav a {
      width: 100%;
    }
    
    .service-header {
      flex-direction: column;
      text-align: center;
    }
    
    .service-icon {
      margin-right: 0;
      margin-bottom: var(--spacing-md);
    }
  }
  
  @media (max-width: 576px) {
    .section-title h2 {
      font-size: var(--font-size-large);
    }
    
    .section-title p {
      font-size: var(--font-size-base);
    }
    
    .service-title {
      font-size: var(--font-size-large);
    }
    
    .service-description {
      font-size: var(--font-size-base);
    }
  }

  .btn-lg {
    padding: var(--spacing-md) var(--spacing-xl);
    font-size: var(--font-size-large);
  }