/* 网站页脚样式 - 使用 px 单位 */

.site-footer {
  background: #0e0e0e;
  color: #fff;
}

/* CTA 区域 */
.footer-cta {
  padding: 80px 40px;
  text-align: center;
  background: linear-gradient(180deg, #1a1a2e 0%, #0e0e0e 100%);
  border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-cta-title {
  font-size: 28px;
  font-weight: 600;
  margin-bottom: 24px;
  color: #fff;
}

.footer-cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 14px 32px;
  border: 1px solid rgba(255, 255, 255, 0.5);
  border-radius: 50px;
  color: #fff;
  font-size: 16px;
  text-decoration: none;
  transition: all 0.3s ease;
}

.footer-cta-btn:hover {
  background: rgba(255, 255, 255, 0.1);
  border-color: #fff;
}

/* 链接区域 */
.footer-links {
  padding: 60px 40px 40px;
  max-width: 1200px;
  margin: 0 auto;
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 40px;
}

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

.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
}

.footer-col-link {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.6);
  text-decoration: none;
  margin-bottom: 10px;
  transition: color 0.2s ease;
}

.footer-col-link:hover {
  color: #22d3ee;
}

/* 底部版权 */
.footer-bottom {
  padding: 24px 40px;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  text-align: center;
}

.footer-copyright {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.5);
}

/* ==========================================
   响应式调整
   ========================================== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 768px) {
  .footer-cta {
    padding: 60px 24px;
  }
  
  .footer-cta-title {
    font-size: 22px;
  }
  
  .footer-links {
    padding: 40px 24px;
  }
  
  .footer-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
  }
}

@media (max-width: 480px) {
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}