/* 现代应用与启示页面专用样式 */

.transformation-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.transformation-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.transformation-card {
  background: #fff;
  border-radius: 10px;
  padding: 2rem;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.card-icon {
  width: 60px;
  height: 60px;
  background: linear-gradient(135deg, var(--secondary-color), #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  color: #fff;
  margin-bottom: 1.5rem;
}

.transformation-card h3 {
  color: var(--primary-color);
  margin-bottom: 1.5rem;
  font-size: 1.3rem;
}

.card-content {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.ancient-tech,
.modern-app {
  background: var(--bg-light);
  padding: 1rem;
  border-radius: 5px;
}

.ancient-tech h4,
.modern-app h4 {
  color: var(--primary-color);
  margin-bottom: 0.5rem;
  font-size: 1rem;
}

.ancient-tech p,
.modern-app p {
  color: var(--text-light);
  font-size: 0.9rem;
  line-height: 1.6;
}

.arrow {
  text-align: center;
  color: var(--secondary-color);
  font-size: 1.5rem;
}

.benefits {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.benefit-tag {
  background: var(--secondary-color);
  color: #fff;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
}

.read-more-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--secondary-color);
  text-decoration: none;
  font-weight: bold;
  transition: var(--transition);
}

.read-more-btn:hover {
  gap: 1rem;
  color: var(--primary-color);
}

/* 可持续发展区域 */
.sustainability-section {
  padding: 4rem 0;
  background: #fff;
}

.sustainability-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.sustainability-card {
  background: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.sustainability-image {
  width: 100%;
  height: 200px;
  overflow: hidden;
}

.sustainability-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: var(--transition);
}

.sustainability-card:hover .sustainability-image img {
  transform: scale(1.1);
}

.sustainability-content {
  padding: 1.5rem;
}

.sustainability-content h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.feature-list {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0;
}

.feature-list li {
  padding: 0.5rem 0;
  color: var(--text-light);
  display: flex;
  align-items: center;
  gap: 0.5rem;
}

.feature-list i {
  color: #27ae60;
}

.impact-stats {
  display: flex;
  gap: 2rem;
  margin-top: 1.5rem;
  padding-top: 1.5rem;
  border-top: 1px solid var(--border-color);
}

.stat {
  text-align: center;
}

.stat-value {
  display: block;
  font-size: 2rem;
  font-weight: bold;
  color: var(--secondary-color);
}

.stat-label {
  display: block;
  font-size: 0.9rem;
  color: var(--text-light);
  margin-top: 0.5rem;
}

/* 教育课程区域 */
.education-section {
  padding: 4rem 0;
  background: var(--bg-light);
}

.education-tabs {
  display: flex;
  justify-content: center;
  gap: 1rem;
  margin-bottom: 2rem;
  flex-wrap: wrap;
}

.edu-tab {
  padding: 0.75rem 1.5rem;
  background: #fff;
  border: 2px solid var(--border-color);
  border-radius: 5px;
  cursor: pointer;
  transition: var(--transition);
  font-size: 1rem;
  color: var(--text-color);
}

.edu-tab:hover,
.edu-tab.active {
  background: var(--secondary-color);
  color: #fff;
  border-color: var(--secondary-color);
}

.edu-tab-content {
  display: none;
}

.edu-tab-content.active {
  display: block;
}

.course-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.course-card {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

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

.course-level {
  display: inline-block;
  background: var(--secondary-color);
  color: #fff;
  padding: 0.3rem 0.8rem;
  border-radius: 15px;
  font-size: 0.85rem;
  margin-bottom: 1rem;
}

.course-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.course-topics {
  list-style: none;
  padding-left: 0;
  margin: 1rem 0;
}

.course-topics li {
  padding: 0.3rem 0;
  color: var(--text-light);
  position: relative;
  padding-left: 1.5rem;
}

.course-topics li::before {
  content: "•";
  color: var(--secondary-color);
  font-weight: bold;
  position: absolute;
  left: 0;
}

.course-info {
  display: flex;
  gap: 1.5rem;
  margin: 1.5rem 0;
  flex-wrap: wrap;
}

.course-info span {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  color: var(--text-light);
  font-size: 0.9rem;
}

.course-info i {
  color: var(--secondary-color);
}

/* 技术伦理区域 */
.ethics-section {
  padding: 4rem 0;
  background: #fff;
}

.ethics-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2rem;
}

.ethics-card {
  background: #fff;
  padding: 2rem;
  border-radius: 10px;
  box-shadow: var(--shadow);
  text-align: center;
  transition: var(--transition);
}

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

.ethics-icon {
  width: 80px;
  height: 80px;
  margin: 0 auto 1.5rem;
  background: linear-gradient(135deg, var(--secondary-color), #764ba2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2rem;
  color: #fff;
}

.ethics-card h3 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.ethics-card p {
  color: var(--text-light);
  line-height: 1.6;
  margin-bottom: 1.5rem;
}

.ethics-discussion {
  background: var(--bg-light);
  padding: 1.5rem;
  border-radius: 5px;
  margin-top: 1rem;
}

.ethics-discussion h4 {
  color: var(--primary-color);
  margin-bottom: 1rem;
}

.discussion-points {
  list-style: none;
  padding-left: 0;
  text-align: left;
}

.discussion-points li {
  padding: 0.5rem 0;
  color: var(--text-light);
  position: relative;
  padding-left: 1.5rem;
}

.discussion-points li::before {
  content: "→";
  color: var(--secondary-color);
  position: absolute;
  left: 0;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .transformation-grid,
  .sustainability-grid,
  .course-grid,
  .ethics-grid {
    grid-template-columns: 1fr;
  }

  .card-content {
    flex-direction: column;
  }

  .arrow {
    transform: rotate(90deg);
  }

  .education-tabs {
    flex-direction: column;
  }

  .edu-tab {
    width: 100%;
  }
}