/* 关于页面样式 */
.about-container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.about-header {
  text-align: center;
  margin-bottom: 50px;
}

.about-header h1 {
  font-size: 2.8rem;
  color: var(--accent);
  margin-bottom: 15px;
}

.about-header .subtitle {
  font-size: 1.2rem;
  color: var(--text-secondary);
  max-width: 600px;
  margin: 0 auto;
}

.about-content {
  display: grid;
  grid-template-columns: 1fr 380px;
  gap: 50px;
  align-items: start;
}

/* 侧边栏样式 */
.about-sidebar {
  position: sticky;
  top: 100px;
}

.team-card,
.contact-card,
.stats-card,
.social-card {
  background: var(--primary);
  border-radius: 12px;
  padding: 25px;
  margin-bottom: 25px;
  box-shadow: var(--card-shadow);
  border: var(--border);
}

.team-card h3,
.contact-card h3,
.stats-card h3,
.social-card h3 {
  margin-top: 0;
  margin-bottom: 20px;
  color: var(--accent);
  font-size: 1.3rem;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--secondary);
}

/* 团队成员样式 */
.team-member {
  display: flex;
  align-items: center;
  margin-bottom: 20px;
  padding: 15px;
  background: var(--secondary);
  border-radius: 10px;
  transition: var(--transition);
}

.team-member:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.team-member:last-child {
  margin-bottom: 0;
}

.member-avatar {
  width: 70px;
  height: 70px;
  border-radius: 50%;
  overflow: hidden;
  margin-right: 15px;
  flex-shrink: 0;
  border: 3px solid var(--accent);
  box-shadow: 0 3px 10px rgba(0, 0, 0, 0.1);
}

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

.member-info h4 {
  margin: 0 0 5px;
  color: var(--text);
  font-size: 1.1rem;
}

.member-info p {
  margin: 0;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.4;
}

/* 联系信息样式 */
.contact-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.contact-list li {
  display: flex;
  align-items: center;
  margin-bottom: 15px;
  padding: 10px;
  background: var(--secondary);
  border-radius: 8px;
}

.contact-list li:last-child {
  margin-bottom: 0;
}

.contact-icon {
  width: 20px;
  height: 20px;
  margin-right: 12px;
  fill: var(--accent);
  flex-shrink: 0;
}

/* 统计数据样式 */
.stats-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 15px;
}

.stat-item {
  text-align: center;
  padding: 15px;
  background: var(--secondary);
  border-radius: 8px;
  transition: var(--transition);
}

.stat-item:hover {
  transform: translateY(-3px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.stat-number {
  font-size: 1.8rem;
  font-weight: bold;
  color: var(--accent);
  margin-bottom: 5px;
}

.stat-label {
  font-size: 0.9rem;
  color: var(--text-secondary);
}

/* 社交媒体样式 */
.social-links {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.social-link {
  display: flex;
  align-items: center;
  padding: 12px 15px;
  background: var(--secondary);
  border-radius: 8px;
  text-decoration: none;
  color: var(--text);
  transition: var(--transition);
}

.social-link:hover {
  background: var(--accent);
  color: white;
  transform: translateX(5px);
}

.social-link img {
  width: 24px;
  height: 24px;
  margin-right: 12px;
  border-radius: 4px;
}

/* 响应式设计 */
@media (max-width: 992px) {
  .about-content {
    grid-template-columns: 1fr;
    gap: 30px;
  }

  .about-sidebar {
    position: static;
    order: -1;
    margin-bottom: 40px;
  }

  .stats-grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (max-width: 768px) {
  .about-header h1 {
    font-size: 2.2rem;
  }

  .about-header .subtitle {
    font-size: 1.1rem;
  }

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

  .team-member {
    flex-direction: column;
    text-align: center;
  }

  .member-avatar {
    margin-right: 0;
    margin-bottom: 15px;
  }

  .social-links {
    flex-direction: row;
    flex-wrap: wrap;
    justify-content: center;
  }

  .social-link {
    flex: 1;
    min-width: 120px;
    justify-content: center;
    flex-direction: column;
    text-align: center;
    padding: 15px 10px;
  }

  .social-link img {
    margin-right: 0;
    margin-bottom: 8px;
  }
}

@media (max-width: 576px) {
  .stats-grid {
    grid-template-columns: 1fr;
  }

  .team-card,
  .contact-card,
  .stats-card,
  .social-card {
    padding: 20px 15px;
  }
}

/* Markdown内容区域 */
.markdown-content {
  background: var(--primary);
  border-radius: 12px;
  padding: 35px;
  box-shadow: var(--card-shadow);
  border: var(--border);
}

.loading {
  text-align: center;
  padding: 40px;
  color: var(--text-secondary);
  font-style: italic;
}