:root {
  color-scheme: dark;
  --page-bg: #180000;
  --toast-bg: rgba(20, 10, 10, 0.94);
  --toast-text: #fff;
}

* {
  box-sizing: border-box;
}

html,
body {
  min-height: 100%;
  margin: 0;
  background: var(--page-bg);
}

body {
  color: var(--toast-text);
  font-family: Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
  -webkit-font-smoothing: antialiased;
}

.page {
  width: 100%;
  max-width: 1080px;
  margin: 0 auto;
  background: var(--page-bg);
}

.download-link {
  display: block;
  width: 100%;
  line-height: 0;
  -webkit-tap-highlight-color: transparent;
}

.download-link:focus-visible {
  outline: 3px solid #ff755f;
  outline-offset: -3px;
}

.download-link[aria-disabled="true"] {
  cursor: not-allowed;
}

.top-download {
  position: sticky;
  top: 0;
  z-index: 10;
}

.download-link img {
  display: block;
  width: 100%;
  height: auto;
  border: 0;
  user-select: none;
  -webkit-user-drag: none;
}

.download-toast {
  position: fixed;
  left: 50%;
  bottom: max(28px, env(safe-area-inset-bottom));
  z-index: 100;
  width: max-content;
  max-width: calc(100% - 40px);
  padding: 11px 16px;
  border: 1px solid rgba(255, 117, 95, 0.35);
  border-radius: 9px;
  background: var(--toast-bg);
  box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
  color: var(--toast-text);
  font-size: 14px;
  line-height: 1.45;
  text-align: center;
  pointer-events: none;
  opacity: 0;
  transform: translate(-50%, 8px);
  transition: opacity 0.18s ease, transform 0.18s ease;
}

.download-toast.is-visible {
  opacity: 1;
  transform: translate(-50%, 0);
}

.noscript-message {
  position: fixed;
  right: 20px;
  bottom: 20px;
  left: 20px;
  z-index: 110;
  margin: 0 auto;
  max-width: 520px;
  padding: 12px 16px;
  border-radius: 8px;
  background: var(--toast-bg);
  color: #fff;
  font-size: 14px;
  line-height: 1.5;
  text-align: center;
}

@media (prefers-reduced-motion: reduce) {
  .download-toast {
    transition: none;
  }
}