/* ===== 页脚样式 ===== */

.site-footer {
  background: #F3F4F6;
  padding: 60px 0 32px;
  margin-top: 80px;
  border-top: 1px solid var(--border-light);
}

.footer-content {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 48px;
  margin-bottom: 40px;
}

.footer-col {
  display: flex;
  flex-direction: column;
}

.footer-title {
  font-size: var(--text-base);
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 20px;
}

.footer-links {
  list-style: none;
  padding: 0;
  margin: 0;
}

.footer-links li {
  margin-bottom: 12px;
}

.footer-links a {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  transition: color 0.2s ease;
}

.footer-links a:hover {
  color: var(--color-primary);
}

.footer-desc {
  color: var(--text-secondary);
  font-size: var(--text-sm);
  line-height: 1.8;
}

.social-links {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.social-btn {
  padding: 8px 16px;
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  font-size: var(--text-sm);
  color: var(--text-secondary);
  transition: all 0.2s ease;
  text-decoration: none;
}

.social-btn:hover {
  background: var(--color-primary);
  color: white;
}

.footer-qrcode {
  width: 120px;
  height: 120px;
  border-radius: var(--radius-md);
  border: 2px solid var(--border-light);
}

.footer-bottom {
  text-align: center;
  padding-top: 32px;
  border-top: 1px solid var(--border-dark);
}

.footer-bottom-links {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  margin-bottom: 16px;
}

.footer-bottom-links a {
  color: var(--text-muted);
  font-size: var(--text-sm);
}

.footer-bottom-links a:hover {
  color: var(--color-primary);
}

.copyright,
.icp {
  font-size: var(--text-sm);
  color: var(--text-muted);
  margin-bottom: 8px;
}

/* 响应式 */
@media (max-width: 992px) {
  .footer-content {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 576px) {
  .footer-content {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .footer-bottom-links {
    flex-direction: column;
    gap: 12px;
  }
}