/* 独立于通用 modal，透明 PNG 可直接展示，不添加白色底板。 */
.home-ad[hidden] { display: none !important; }
.home-ad {
  position: fixed;
  inset: 0;
  z-index: 10000;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 72px 32px;
  box-sizing: border-box;
  background: rgba(0, 0, 0, .68);
}
.home-ad-panel { position: relative; max-width: 100%; }
.home-ad-controls {
  position: absolute;
  bottom: calc(100% + 16px);
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  flex-direction: column;
  gap: 8px;
  color: #fff;
  font-size: 13px;
  line-height: 18px;
  white-space: nowrap;
}
.home-ad-close {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border: 2px solid rgba(255, 255, 255, .85);
  border-radius: 50%;
  background: transparent;
  color: #fff;
  font: 30px/1 Arial, sans-serif;
  cursor: pointer;
}
.home-ad-close:hover { background: rgba(255, 255, 255, .18); }
.home-ad-close:focus { outline: none; box-shadow: none; }
.home-ad-close:focus-visible { background: rgba(255, 255, 255, .18); border-color: #fff; }
.home-ad-link:focus-visible { outline: 2px solid #fff; outline-offset: 5px; }
.home-ad-link { display: block; }
.home-ad-image {
  display: block;
  width: auto;
  height: auto;
  max-width: min(960px, calc(100vw - 64px));
  max-height: calc(100dvh - 180px);
  object-fit: contain;
}