.intro-section {
  padding: 100px 0;
}

.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 80px;
  align-items: center;
}

.intro-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  aspect-ratio: 4/3;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
}

.intro-image-inner {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  display: flex;
  align-items: center;
  justify-content: center;
}

.intro-image-inner svg {
  width: 50%;
  opacity: 0.12;
  stroke: var(--color-accent);
}

.intro-image-accent {
  position: absolute;
  top: -20px;
  right: -20px;
  width: 120px;
  height: 120px;
  border: 2px solid var(--color-accent);
  border-radius: var(--radius-md);
  opacity: 0.2;
  z-index: -1;
}

.intro-content .section-label {
  text-align: left;
}

.intro-content .section-title {
  text-align: left;
  margin-bottom: 24px;
}

.intro-text {
  font-size: 16px;
  line-height: 1.9;
  color: var(--color-text-light);
  margin-bottom: 16px;
}

.intro-text strong {
  color: var(--color-primary);
  font-weight: 600;
}

.intro-highlights {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 32px;
}

.intro-highlight {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px;
  background: var(--color-bg);
  border-radius: var(--radius-sm);
}

.intro-highlight svg {
  width: 24px;
  height: 24px;
  stroke: var(--color-accent);
  flex-shrink: 0;
}

.intro-highlight span {
  font-size: 14px;
  font-weight: 500;
  color: var(--color-primary);
}

.timeline-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}

.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 2px;
  height: 100%;
  background: linear-gradient(to bottom, var(--color-accent), var(--color-border));
}

.timeline-item {
  position: relative;
  display: flex;
  align-items: flex-start;
  margin-bottom: 60px;
}

.timeline-item:last-child {
  margin-bottom: 0;
}

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

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

.timeline-dot {
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  width: 16px;
  height: 16px;
  background: var(--color-accent);
  border-radius: 50%;
  border: 3px solid var(--color-bg);
  z-index: 1;
}

.timeline-dot::after {
  content: '';
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 30px;
  height: 30px;
  border: 1px solid rgba(102, 126, 234, 0.3);
  border-radius: 50%;
}

.timeline-content {
  width: 42%;
  padding: 28px;
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition-base);
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}

.timeline-year {
  font-family: var(--font-en);
  font-size: 28px;
  font-weight: 700;
  color: var(--color-accent);
  margin-bottom: 8px;
}

.timeline-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.timeline-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.culture-section {
  padding: 100px 0;
}

.culture-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.culture-card {
  padding: 40px 30px;
  border-radius: var(--radius-md);
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  text-align: center;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.culture-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.culture-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.culture-card:hover::before {
  transform: scaleX(1);
}

.culture-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 24px;
  background: linear-gradient(135deg, rgba(102, 126, 234, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.culture-icon svg {
  width: 30px;
  height: 30px;
  stroke: var(--color-accent);
}

.culture-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.culture-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.7;
}

.rd-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.rd-stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 40px;
}

.rd-stat-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  text-align: center;
  transition: all var(--transition-smooth);
  position: relative;
  overflow: hidden;
}

.rd-stat-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--color-accent), var(--color-accent-light));
  transform: scaleX(0);
  transition: transform var(--transition-base);
}

.rd-stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.rd-stat-card:hover::before {
  transform: scaleX(1);
}

.rd-stat-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.1) 0%, rgba(118, 75, 162, 0.05) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rd-stat-icon svg {
  width: 28px;
  height: 28px;
  stroke: var(--color-accent);
}

.rd-stat-number {
  font-family: var(--font-en);
  font-size: 36px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 8px;
}

.rd-stat-label {
  font-size: 14px;
  color: var(--color-text-light);
}

.rd-tech-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
  margin-top: 60px;
}

.rd-tech-card {
  background: var(--color-bg-white);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: 32px 24px;
  transition: all var(--transition-smooth);
}

.rd-tech-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--color-accent);
}

.rd-tech-icon {
  width: 64px;
  height: 64px;
  margin-bottom: 20px;
  background: linear-gradient(135deg, rgba(139, 92, 246, 0.08) 0%, rgba(102, 126, 234, 0.08) 100%);
  border-radius: var(--radius-md);
  display: flex;
  align-items: center;
  justify-content: center;
}

.rd-tech-icon svg {
  width: 32px;
  height: 32px;
  stroke: var(--color-accent);
}

.rd-tech-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 12px;
}

.rd-tech-desc {
  font-size: 14px;
  color: var(--color-text-light);
  line-height: 1.6;
}

.honors-section {
  padding: 100px 0;
}

.honors-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.honor-card {
  padding: 32px 20px;
  border-radius: var(--radius-md);
  background: var(--color-bg);
  text-align: center;
  transition: all var(--transition-smooth);
  border: 1px solid transparent;
}

.honor-card:hover {
  background: var(--color-bg-white);
  box-shadow: var(--shadow-md);
  border-color: var(--color-border);
  transform: translateY(-4px);
}

.honor-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 16px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.honor-icon svg {
  width: 36px;
  height: 36px;
  stroke: var(--color-accent);
}

.honor-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.honor-desc {
  font-size: 13px;
  color: var(--color-text-light);
}

.team-section {
  padding: 100px 0;
  background: var(--color-bg);
}

.team-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}

.team-card {
  background: var(--color-bg-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: all var(--transition-smooth);
  border: 1px solid var(--color-border);
}

.team-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  border-color: transparent;
}

.team-card-avatar {
  height: 200px;
  background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
}

.team-card-avatar svg {
  width: 60px;
  height: 60px;
  stroke: var(--color-accent);
  opacity: 0.3;
}

.team-card-info {
  padding: 24px;
  text-align: center;
}

.team-card-name {
  font-size: 18px;
  font-weight: 700;
  color: var(--color-primary);
  margin-bottom: 6px;
}

.team-card-role {
  font-size: 14px;
  color: var(--color-accent);
  margin-bottom: 12px;
}

.team-card-desc {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
}

@media (max-width: 992px) {
  .intro-grid {
    grid-template-columns: 1fr;
    gap: 40px;
  }
  .intro-content .section-label,
  .intro-content .section-title {
    text-align: center;
  }
  .intro-text {
    text-align: center;
  }
  .intro-highlights {
    grid-template-columns: 1fr;
  }
  .timeline::before {
    left: 20px;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    flex-direction: row;
    padding-left: 60px;
  }
  .timeline-dot {
    left: 20px;
  }
  .timeline-content {
    width: 100%;
  }
  .culture-grid {
    grid-template-columns: 1fr;
  }
  .rd-stats-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .rd-tech-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .honors-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .team-grid {
    grid-template-columns: 1fr;
    max-width: 400px;
    margin: 0 auto;
  }
}

@media (max-width: 768px) {
  .honors-grid {
    grid-template-columns: 1fr;
  }
  .rd-stats-grid {
    grid-template-columns: 1fr;
  }
  .rd-tech-grid {
    grid-template-columns: 1fr;
  }
}