.footer.footer-reference {
  position: relative;
  display: block;
  width: 100%;
  padding: 0;
  overflow: hidden;
  background: #02070b;
}
.footer.footer-reference > img { display: block; width: 100%; height: auto; filter: none; }
.footer.footer-reference > .footer-marketing-qr { position: absolute; z-index: 2; left: 68.4%; top: 24.8%; width: 7.7%; height: auto; border-radius: 5px; }
.footer-boss-hotspot { position: absolute; z-index: 2; left: 49.4%; top: 74.5%; width: 5.8%; height: 11%; border-radius: 4px; }
.footer-boss-hotspot:focus-visible { outline: 2px solid #66baff; outline-offset: 2px; }
@media (max-width: 700px) {
  .footer.footer-reference { overflow: visible; }
  .footer.footer-reference > img { width: 100%; height: auto; object-fit: contain; }
  .footer-boss-hotspot { left: 48%; width: 8%; }
}

/* 手机端方法论标签保持在卡片可视范围内，避免英文被裁切。 */
@media (max-width: 800px) {
  .service-model { overflow: visible; }
  .method-orbit { width: min(86vw, 360px); }
  .method-brand { top: 5%; left: 50%; transform: translateX(-50%); }
  .method-content { right: 7%; bottom: 20%; }
  .method-growth { left: 7%; top: 48%; }
}