/* 关于我们页面特定样式 */

.page-header {
  text-align: center;
  margin-bottom: 3rem;
  padding: 2rem 0;
  background: linear-gradient(135deg, rgba(99, 102, 241, 0.1), rgba(168, 85, 247, 0.1));
  border-radius: 12px;
}

.page-title {
  font-size: 2.5rem;
  font-weight: 700;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.page-subtitle {
  font-size: 1.1rem;
  color: #6b7280;
  margin: 0;
}

.about-section {
  margin-bottom: 3rem;
}

.section-title {
  font-size: 1.8rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 1.5rem;
  padding-bottom: 0.5rem;
  border-bottom: 2px solid #e5e7eb;
}

.content-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  line-height: 1.7;
}

.content-card p {
  margin-bottom: 1rem;
  color: #4b5563;
}

.content-card p:last-child {
  margin-bottom: 0;
}

/* 使命愿景网格 */
.mission-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 1.5rem;
}

.mission-card {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.mission-card:hover {
  transform: translateY(-4px);
  box-shadow: 0 10px 25px -3px rgba(0, 0, 0, 0.1);
}

.mission-icon {
  font-size: 3rem;
  margin-bottom: 1rem;
}

.mission-card h3 {
  font-size: 1.3rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 1rem;
}

.mission-card p {
  color: #6b7280;
  line-height: 1.6;
}



/* 联系网格 */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 1.5rem;
}

.contact-item {
  background: white;
  padding: 2rem;
  border-radius: 12px;
  box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
  text-align: center;
  transition: transform 0.3s ease;
}

.contact-item:hover {
  transform: translateY(-2px);
}

.contact-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
}

.contact-item h4 {
  font-size: 1.1rem;
  font-weight: 600;
  color: #1f2937;
  margin-bottom: 0.5rem;
}

.contact-item p {
  color: #6b7280;
  margin: 0;
}

/* 侧边栏样式 */
.quick-nav {
  list-style: none;
  padding: 0;
  margin: 0;
}

.quick-nav li {
  margin-bottom: 0.5rem;
}

.quick-nav a {
  color: #6b7280;
  text-decoration: none;
  padding: 0.5rem 0;
  display: block;
  transition: color 0.3s ease;
}

.quick-nav a:hover {
  color: #6366f1;
}

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

.stat-item {
  text-align: center;
  padding: 1rem;
  background: #f9fafb;
  border-radius: 8px;
}

.stat-number {
  font-size: 1.5rem;
  font-weight: 700;
  color: #6366f1;
  margin-bottom: 0.25rem;
}

.stat-label {
  font-size: 0.8rem;
  color: #6b7280;
}
/* 用户协议页面样式 */
.terms-section {
    margin-top: 30px;
    background: #fff;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
    padding: 25px;
}

.terms-section .section-title {
    color: #333;
    font-size: 24px;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 2px solid #4CAF50;
}

.terms-content h3 {
    color: #444;
    font-size: 18px;
    margin: 20px 0 10px;
    font-weight: 600;
}

.terms-content p {
    color: #666;
    line-height: 1.8;
    margin-bottom: 15px;
    font-size: 15px;
}

.terms-content ul {
    padding-left: 25px;
    margin-bottom: 15px;
}

.terms-content li {
    color: #666;
    line-height: 1.8;
    margin-bottom: 8px;
    font-size: 15px;
}

.terms-footer {
    margin-top: 30px;
    padding-top: 20px;
    border-top: 1px solid #eee;
    text-align: center;
}

.terms-footer p {
    color: #888;
    font-size: 14px;
    margin-bottom: 10px;
}

.terms-footer strong {
    color: #333;
}
/* 响应式设计 */
@media (max-width: 768px) {
   .terms-section {
        padding: 15px;
        margin: 15px;
    }
    
    .terms-content h3 {
        font-size: 16px;
    }
    
    .terms-content p,
    .terms-content li {
        font-size: 14px;
    }
  .page-title {
    font-size: 2rem;
  }

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

  .timeline {
    padding-left: 1.5rem;
  }

  .timeline-item {
    padding: 1rem;
  }

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

/* 导航激活状态 */
.nav a.active {
  color: #6366f1;
  font-weight: 600;
}