/* AI客服 / 联系我们 / 新闻动态：手机端按宽度完整显示整张 banner，禁止 cover 裁切。 */
@media (max-width: 800px) {
  .news-page,
  .smart-page,
  .contact-page {
    overflow-x: hidden;
  }
  .news-hero,
  .smart-hero,
  .contact-hero {
    display: block !important;
    width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    aspect-ratio: auto !important;
    overflow: visible !important;
  }
  .news-hero a,
  .news-hero picture,
  .smart-hero a,
  .smart-hero picture,
  .contact-hero a,
  .contact-hero picture {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
  }
  .news-hero img,
  .smart-hero img,
  .contact-hero img {
    display: block !important;
    width: 100% !important;
    max-width: 100% !important;
    height: auto !important;
    min-height: 0 !important;
    max-height: none !important;
    object-fit: contain !important;
    object-position: center center !important;
  }
}