.artwork-picker {
  position: absolute;
  top: 12px;
  right: 12px;
  z-index: 3;
  text-align: left;
  padding: 4px;
  font-size: 12px;
}
.artwork-trigger {
  display: flex;
  align-items: center;
  gap: 6px;
  min-height: 28px;
  padding: 5px 9px;
  border: 1px solid #ffffff70;
  border-radius: var(--control-radius);
  background: #172829c9;
  color: #fff;
  font: inherit;
  font-size: 11px;
  cursor: pointer;
  opacity: 0;
  transition: opacity 0.15s;
}
.artwork-trigger svg {
  width: 13px;
  height: 13px;
}
.artwork-picker:hover .artwork-trigger,
[data-artwork-hero]:hover .artwork-trigger,
.download-hero:hover .artwork-trigger,
.artwork-picker:focus-within .artwork-trigger,
.artwork-picker[data-open] .artwork-trigger {
  opacity: 1;
}
.artwork-panel {
  position: absolute;
  top: 100%;
  right: 4px;
  width: 480px;
  max-width: calc(100vw - 64px);
  max-height: calc(100dvh - 32px);
  overflow: auto;
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  box-shadow: 0 12px 32px #10202530;
}
.artwork-panel[hidden],
.artwork-pages[hidden] {
  display: none;
}
.artwork-panel p {
  font-size: 12px;
  line-height: 1.6;
  margin: 0 0 10px;
  color: var(--muted);
}
.artwork-panel-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 10px;
}
.artwork-panel-heading p {
  margin: 0;
}
.artwork-pages {
  display: flex;
  align-items: center;
  gap: 7px;
  flex-shrink: 0;
  color: var(--muted);
  font-size: 11px;
  font-variant-numeric: tabular-nums;
}
.artwork-pages button {
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
  background: #fff;
  color: var(--ink);
  font-size: 20px;
  line-height: 1;
  cursor: pointer;
}
.artwork-pages button:hover {
  background: var(--soft);
}
.artwork-option[hidden] {
  display: none;
}
.artwork-options {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 8px;
}
.artwork-option {
  min-width: 0;
  padding: 4px;
  border: 1px solid var(--line);
  border-radius: var(--control-radius);
  background: #fff;
  color: var(--ink);
  font: inherit;
  text-align: left;
  cursor: pointer;
}
.artwork-option img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2/1;
  object-fit: cover;
  border-radius: 4px;
}
.artwork-option span {
  display: block;
  padding: 5px 3px 1px;
  line-height: 1.4;
  font-size: 12px;
}
.artwork-option small {
  display: none;
}
.artwork-option:hover {
  background: var(--soft);
}
.artwork-option[aria-pressed="true"] {
  border-color: var(--accent);
  outline: 1px solid var(--accent);
  background: var(--soft);
}
.artwork-picker button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}
.artwork-panel .artwork-status {
  margin: 8px 0 0;
  font-size: 11px;
}
.artwork-save {
  display: flex;
  margin-top: 10px;
}
.artwork-save-button {
  padding: 6px 14px;
  border: 1px solid var(--accent);
  border-radius: var(--control-radius);
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-size: 12px;
  cursor: pointer;
}
.artwork-save-button:hover {
  filter: brightness(1.05);
}
.artwork-save-button:disabled {
  opacity: 0.6;
  cursor: default;
}
.download-hero::after {
  background: rgb(36 27 23 / var(--artwork-overlay-opacity, 0.48));
}
/* 组件用在横幅式头图（changelog-hero）上：选择面板越过横幅边界展开，
   背景图与蒙版改为继承圆角，不再依赖容器裁切；蒙版颜色跟随不透明度滑块。 */
.changelog-hero[data-artwork-hero] {
  overflow: visible;
}
.changelog-hero[data-artwork-hero] .category {
  color: #fff;
  opacity: 0.78;
}
.changelog-hero[data-artwork-hero][data-panel-open] {
  z-index: 20;
}
.changelog-hero[data-artwork-hero] .changelog-painting,
.changelog-hero[data-artwork-hero]::after {
  border-radius: inherit;
}
.changelog-hero[data-artwork-hero]::after {
  background: rgb(36 27 23 / var(--artwork-overlay-opacity, 0.48));
}
/* 关于/更新历史沿用原横幅的青绿蒙版（默认 36%）；其余保持暖棕 48%。 */
.changelog-hero.about-hero[data-artwork-hero]::after,
.changelog-hero.release-hero[data-artwork-hero]::after {
  background: rgb(16 44 34 / var(--artwork-overlay-opacity, 0.36));
}
/* 垂直位置滑块：默认值与各横幅现有裁切一致，仅在保存过选择时改变。 */
.changelog-hero[data-artwork-hero] .changelog-painting {
  object-position: center var(--artwork-position, 45%);
}
.download-hero[data-artwork-hero] .download-painting {
  object-position: center var(--artwork-position, 50%);
}
[data-artwork-hero] .coach-background {
  object-position: center var(--artwork-position, 50%);
}
.artwork-opacity {
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.artwork-opacity label {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: var(--ink);
}
.artwork-opacity input {
  display: block;
  width: 100%;
  height: 24px;
  margin: 5px 0 0;
  padding: 0;
  accent-color: var(--accent);
  cursor: ew-resize;
  touch-action: pan-y;
}
@media (hover: none), (pointer: coarse) {
  .artwork-trigger {
    opacity: 1;
  }
}
@media (max-width: 760px) {
  .artwork-picker {
    top: 6px;
    right: 6px;
  }
  .artwork-trigger {
    padding: 4px 8px;
    min-height: 26px;
  }
  .artwork-panel {
    width: 340px;
    padding: 10px;
  }
  .artwork-options {
    gap: 4px;
  }
  .artwork-option {
    padding: 2px;
  }
  .artwork-option span {
    font-size: 10px;
    padding-inline: 0;
    text-align: center;
    white-space: nowrap;
  }
}
@media (prefers-reduced-motion: reduce) {
  .artwork-trigger {
    transition: none;
  }
}

/* Every artwork picker exposes the same working image controls. */
[data-artwork-hero] > [data-artwork-image] {
  object-position: center var(--artwork-position, 50%);
  filter: blur(var(--artwork-blur, 0px));
}
[data-artwork-hero] > .download-intro,
[data-artwork-hero] > .closing-copy,
[data-artwork-hero] > h1,
[data-artwork-hero] > .lead {
  transform: scale(var(--product-scale-factor, 1));
  transform-origin: center;
}