/* 客户案例页面样式 */

.page-header {
  padding: 140px 0 80px;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary-color) 100%);
  color: white;
  text-align: center;
}

.page-title {
  font-size: 3rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.page-description {
  font-size: 1.25rem;
  opacity: 0.95;
}

/* 统计区域 */
.stats-section {
  padding: 3rem 0;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 2rem;
}

.stat-box {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  transition: all 0.3s ease;
}

.stat-box:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.stat-box-number {
  font-size: 3rem;
  font-weight: 900;
  color: var(--primary-color);
  margin-bottom: 0.5rem;
}

.stat-box-label {
  color: var(--text-secondary);
  font-weight: 600;
}

/* 案例卡片 */
.case-card {
  background: white;
  border-radius: var(--radius-xl);
  box-shadow: var(--shadow-lg);
  overflow: hidden;
  margin-bottom: 3rem;
  transition: all 0.3s ease;
}

.case-card:hover {
  box-shadow: var(--shadow-xl);
  transform: translateY(-5px);
}

.case-header {
  display: flex;
  align-items: center;
  gap: 2rem;
  padding: 2.5rem;
  background: linear-gradient(135deg, #f9fafb, #f3f4f6);
  border-bottom: 1px solid var(--border-color);
}

.case-logo {
  font-size: 4rem;
  flex-shrink: 0;
}

.case-title {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 0.75rem;
}

.case-meta {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.case-meta span {
  padding: 0.375rem 0.875rem;
  background: white;
  border-radius: var(--radius-md);
  font-size: 0.875rem;
  color: var(--text-secondary);
  font-weight: 600;
}

.case-body {
  padding: 2.5rem;
}

.case-body h4 {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 1rem;
}

.case-challenge,
.case-solution,
.case-results {
  margin-bottom: 2rem;
}

.case-challenge ul {
  list-style: none;
}

.case-challenge ul li {
  padding: 0.5rem 0;
  color: var(--text-secondary);
  position: relative;
  padding-left: 1.5rem;
}

.case-challenge ul li::before {
  content: '⚠';
  position: absolute;
  left: 0;
  color: var(--accent-color);
}

.case-solution p {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.0625rem;
}

/* 结果展示 */
.results-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 1.5rem;
  margin-top: 1.5rem;
}

.result-item {
  text-align: center;
  padding: 1.5rem;
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.05), rgba(16, 185, 129, 0.05));
  border-radius: var(--radius-lg);
  transition: all 0.3s ease;
}

.result-item:hover {
  background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(16, 185, 129, 0.1));
  transform: scale(1.05);
}

.result-number {
  font-size: 2.5rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--primary-color), var(--secondary-color));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  margin-bottom: 0.5rem;
}

.result-text {
  font-size: 0.9375rem;
  color: var(--text-secondary);
  font-weight: 600;
}

/* 客户评价 */
.testimonial-card {
  background: white;
  padding: 2.5rem;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  position: relative;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-xl);
}

.testimonial-quote {
  font-size: 5rem;
  line-height: 1;
  color: var(--primary-color);
  opacity: 0.2;
  font-family: Georgia, serif;
  margin-bottom: 1rem;
}

.testimonial-text {
  color: var(--text-secondary);
  line-height: 1.8;
  font-size: 1.0625rem;
  margin-bottom: 2rem;
}

.testimonial-author {
  border-top: 2px solid var(--border-color);
  padding-top: 1.5rem;
}

.author-name {
  font-weight: 700;
  color: var(--text-primary);
  font-size: 1.125rem;
  margin-bottom: 0.25rem;
}

.author-title {
  color: var(--text-secondary);
  font-size: 0.9375rem;
}

/* CTA区域 */
.cta-section {
  background: linear-gradient(135deg, #1e40af 0%, #2563eb 100%);
  color: white;
  text-align: center;
}

.cta-title {
  font-size: 2.5rem;
  font-weight: 900;
  margin-bottom: 1rem;
}

.cta-description {
  font-size: 1.25rem;
  margin-bottom: 2.5rem;
  opacity: 0.95;
}

.cta-actions {
  display: flex;
  gap: 1rem;
  justify-content: center;
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .results-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 768px) {
  .page-header {
    padding: 120px 0 60px;
  }

  .page-title {
    font-size: 2.25rem;
  }

  .stats-grid {
    grid-template-columns: 1fr;
  }

  .case-header {
    flex-direction: column;
    text-align: center;
    padding: 2rem;
  }

  .case-title {
    font-size: 1.5rem;
  }

  .case-meta {
    justify-content: center;
  }

  .case-body {
    padding: 2rem;
  }

  .results-grid {
    grid-template-columns: 1fr;
  }

  .cta-title {
    font-size: 2rem;
  }

  .cta-actions {
    flex-direction: column;
  }

  .cta-actions .btn {
    width: 100%;
  }
}

@media (max-width: 480px) {
  .page-title {
    font-size: 1.875rem;
  }

  .case-logo {
    font-size: 3rem;
  }

  .case-title {
    font-size: 1.25rem;
  }

  .stat-box-number,
  .result-number {
    font-size: 2rem;
  }

  .testimonial-card {
    padding: 2rem;
  }

  .testimonial-quote {
    font-size: 4rem;
  }
}