/* 企业页面标题样式 */
.page-header {
  background: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('../images/about-header.jpg');
  background-size: cover;
  background-position: center;
  height: 300px;
  display: flex;
  align-items: center;
  text-align: center;
  color: white;
  margin-top: 80px;
}

.page-header h1 {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.page-header p {
  font-size: 1.2rem;
  opacity: 0.9;
}

/* 企业介绍部分 */
.about-section {
  padding: 5rem 0;
  background-color: #f9f9f9;
}

.about-section h2 {
  color: #333;
  font-size: 2rem;
  margin-bottom: 2rem;
  text-align: center;
}

/* 企业简介 */
.about-intro {
  display: flex;
  align-items: center;
  gap: 4rem;
  margin-bottom: 4rem;
}

.about-content {
  flex: 1;
}

.about-content p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 1.5rem;
}

.about-image {
  flex: 1;
}

.about-image img {
  width: 100%;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

/* 发展历程 */
.history-section {
  margin-bottom: 4rem;
}

.timeline {
  position: relative;
  max-width: 800px;
  margin: 0 auto;
  padding: 2rem 0;
}

.timeline::before {
  content: '';
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background-color: #e74c3c;
}

.timeline-item {
  display: flex;
  justify-content: center;
  align-items: center;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:nth-child(odd) {
  flex-direction: row-reverse;
}

.year {
  background-color: #e74c3c;
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 20px;
  font-weight: bold;
  margin: 0 2rem;
  position: relative;
  z-index: 1;
}

.content {
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
  width: 45%;
}

.content h3 {
  color: #333;
  margin-bottom: 1rem;
}

.content p {
  color: #666;
  line-height: 1.6;
}

/* 企业价值观 */
.values-section {
  margin-bottom: 4rem;
}

.values-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.value-item {
  text-align: center;
  padding: 2rem;
  background: white;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.value-item i {
  font-size: 2.5rem;
  color: #e74c3c;
  margin-bottom: 1rem;
}

.value-item h3 {
  color: #333;
  margin-bottom: 1rem;
}

.value-item p {
  color: #666;
  line-height: 1.6;
}

/* 企业荣誉 */
.honors-section {
  margin-bottom: 4rem;
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
}

.honor-item {
  text-align: center;
  background: white;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: 0 3px 15px rgba(0, 0, 0, 0.1);
}

.honor-item img {
  width: 150px;
  height: 150px;
  object-fit: cover;
  border-radius: 5px;
  margin-bottom: 1rem;
}

.honor-item h3 {
  color: #333;
  margin-bottom: 0.5rem;
}

.honor-item p {
  color: #666;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .page-header {
    height: 200px;
  }

  .page-header h1 {
    font-size: 2rem;
  }

  .about-intro {
    flex-direction: column;
    gap: 2rem;
  }

  .timeline::before {
    left: 0;
  }

  .timeline-item {
    flex-direction: column;
    align-items: flex-start;
  }

  .timeline-item:nth-child(odd) {
    flex-direction: column;
    align-items: flex-start;
  }

  .year {
    margin: 0 0 1rem 0;
  }

  .content {
    width: 100%;
  }

  .values-grid,
  .honors-grid {
    grid-template-columns: 1fr;
  }
}