/* PC「下载 APP」— Figma 51065:402589
   宽屏锚定内容区右缘（gap 优先 86px）；侧空不足时贴视口右缘，浮在内容之上，避免缩窗后看不见 */
.pc-home-download-app {
  --pc-download-w: 178px;
  --pc-download-edge: 16px;
  --pc-download-gap-figma: 86px;
  --pc-content-span: min(var(--pc-content-width, 1200px), calc(100vw - 48px));
  --pc-side-room: max(0px, calc((100vw - var(--pc-content-span)) / 2));
  /* 侧空放得下：优先 86px；不够则收到「侧空 − 按钮 − 边距」，下限 12px */
  --pc-home-download-gap: min(
    var(--pc-download-gap-figma),
    max(12px, calc(var(--pc-side-room) - var(--pc-download-w) - var(--pc-download-edge)))
  );
  /* 内容锚定 left，但不超过视口右安全边，窄屏时压在主内容上 */
  --pc-home-download-left: min(
    calc(50% + (var(--pc-content-span) / 2) + var(--pc-home-download-gap)),
    calc(100vw - var(--pc-download-w) - var(--pc-download-edge))
  );
  position: fixed;
  z-index: 120;
  top: 58%;
  left: var(--pc-home-download-left);
  right: auto;
  display: none;
  width: var(--pc-download-w);
  height: 60px;
  transform: translateY(-50%);
  transition: filter 0.16s ease, opacity 0.16s ease, left 0.16s ease;
}

.pc-home-download-app img {
  display: block;
  width: 100%;
  height: 60px;
}

/* PC 视口始终显示；侧空不足时由 left clamp 浮在页面上 */
@media (min-width: 769px) {
  .pc-long-list-page .pc-home-download-app,
  .pc-long-detail-page .pc-home-download-app {
    display: block;
  }

  .pc-home-download-app:hover,
  .pc-home-download-app:focus-visible {
    filter: brightness(1.08);
    outline: none;
  }
}

@media (min-width: 769px) and (prefers-reduced-motion: reduce) {
  .pc-home-download-app {
    transition: none;
  }
}