/* 关于我们页面样式 */

/* 公司简介 */
.about-intro {
  display: grid;
  grid-template-columns: 1fr 2fr;
  gap: 60px;
  align-items: start;
}

.about-intro-left h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.about-subtitle {
  font-size: 16px;
  color: var(--primary-color);
  font-weight: 500;
}

.about-intro-right p {
  font-size: 16px;
  line-height: 1.8;
  color: var(--gray-dark);
  margin-bottom: 20px;
}

/* 核心数据 */
.stats-section {
  padding: 80px 0;
  background: var(--primary-color);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}

.stat-item {
  color: var(--white);
}

.stat-number {
  font-size: 56px;
  font-weight: 700;
  margin-bottom: 10px;
}

.stat-label {
  font-size: 16px;
  opacity: 0.9;
}

/* 章节标题 */
.section-header {
  text-align: center;
  margin-bottom: 50px;
}

.section-header h2 {
  font-size: 32px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.section-header p {
  font-size: 16px;
  color: var(--gray-dark);
}

.section-header.light h2,
.section-header.light p {
  color: var(--white);
}

/* 优势卡片 */
.advantages-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.advantage-card {
  background: var(--white);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(9, 81, 155, 0.08);
  transition: all 0.3s ease;
}

.advantage-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 10px 30px rgba(9, 81, 155, 0.1);
}

.advantage-icon {
  width: 60px;
  height: 60px;
  background: rgba(9, 81, 155, 0.06);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  margin-bottom: 20px;
}

.advantage-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 12px;
}

.advantage-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-dark);
}

/* 全球布局 */
.global-section {
  padding: 80px 0;
  background: var(--gray-light);
}

.global-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.global-card {
  background: var(--white);
  border-radius: 16px;
  padding: 30px;
  border: 1px solid rgba(9, 81, 155, 0.08);
  transition: all 0.3s ease;
}

.global-card:hover {
  box-shadow: 0 10px 30px rgba(9, 81, 155, 0.1);
  transform: translateY(-3px);
}

.global-flag {
  width: 48px;
  height: 48px;
  margin-bottom: 20px;
}

.global-flag img {
  width: 100%;
  height: 100%;
  object-fit: contain;
  border-radius: 8px;
}

.global-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 10px;
}

.global-company {
  font-size: 14px;
  color: var(--primary-color);
  margin-bottom: 5px;
}

.global-location {
  font-size: 14px;
  color: var(--gray-dark);
}

/* 核心团队 */
.team-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.team-card {
  background: var(--white);
  border-radius: 16px;
  padding: 40px 30px;
  text-align: center;
  border: 1px solid rgba(9, 81, 155, 0.08);
  transition: all 0.3s ease;
}

.team-card:hover {
  box-shadow: 0 10px 30px rgba(9, 81, 155, 0.1);
  transform: translateY(-3px);
}

.team-avatar {
  width: 100px;
  height: 100px;
  background: rgba(9, 81, 155, 0.06);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--primary-color);
  margin: 0 auto 20px;
  overflow: hidden;
}

.team-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.yubohan-avatar img {
  object-position: center 20%;
}

.team-card h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 5px;
}

.team-title {
  font-size: 14px;
  color: var(--primary-color);
  font-weight: 500;
  margin-bottom: 15px;
}

.team-desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--gray-dark);
}

/* 发展历程 */
.timeline-section {
  padding: 80px 0;
  background: var(--primary-color);
}

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

.timeline::before {
  content: "";
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: rgba(255, 255, 255, 0.2);
}

.timeline-item {
  display: flex;
  justify-content: flex-end;
  padding-right: 50%;
  position: relative;
  margin-bottom: 40px;
}

.timeline-item:nth-child(even) {
  justify-content: flex-start;
  padding-right: 0;
  padding-left: 50%;
}

.timeline-year {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 60px;
  background: var(--white);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--primary-color);
  z-index: 1;
}

.timeline-content {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 12px;
  padding: 20px 25px;
  max-width: 300px;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: 50px;
}

.timeline-item:nth-child(odd) .timeline-content {
  margin-right: 50px;
}

.timeline-content h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--white);
  margin-bottom: 12px;
}

.timeline-content p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.8;
}

/* CTA Section */
.cta-section {
  padding: 100px 0;
  background: var(--gray-light);
  text-align: center;
}

.cta-content h2 {
  font-size: 36px;
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 15px;
}

.cta-content p {
  font-size: 18px;
  color: var(--gray-dark);
  margin-bottom: 30px;
}

/* 响应式 */
@media (max-width: 1200px) {
  .about-intro {
    grid-template-columns: 1fr;
    gap: 30px;
  }

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

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

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

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

  .timeline::before {
    left: 30px;
  }

  .timeline-item,
  .timeline-item:nth-child(even) {
    justify-content: flex-start;
    padding-left: 80px;
    padding-right: 0;
  }

  .timeline-year {
    left: 30px;
    transform: translateX(-50%);
  }

  .timeline-content,
  .timeline-item:nth-child(even) .timeline-content,
  .timeline-item:nth-child(odd) .timeline-content {
    margin-left: 0;
    margin-right: 0;
    max-width: 100%;
  }
}

@media (max-width: 768px) {
  .advantages-grid {
    grid-template-columns: 1fr;
  }

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

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
  }

  .stat-number {
    font-size: 40px;
  }

  .about-intro-left h2 {
    font-size: 28px;
  }

  .cta-content h2 {
    font-size: 28px;
  }
}