/* 长内容页的阅读外壳；紧凑游戏/短文案和独立工具不加载此样式。 */
.reader-page {
  max-width: 100%;
  margin: auto;
  padding-top: 28px;
}
.reader-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 254px;
  grid-template-areas: 'heading sidebar' 'body sidebar' 'ending sidebar';
  column-gap: 56px;
  align-items: start;
}
.reader-heading {
  grid-area: heading;
  padding: 0 0 30px;
  border-bottom: 1px solid var(--line);
  min-width: 0;
}
.reader-heading .breadcrumb {
  margin-bottom: 28px;
}
.reader-heading h1 {
  font-size: clamp(28px, 2.6vw, 36px);
  line-height: 1.45;
  letter-spacing: -0.035em;
  margin: 10px 0 16px;
}
.reader-lead {
  font-size: 16px;
  line-height: 1.9;
  margin: 0 0 14px;
  color: var(--muted);
}
.reader-heading .resource-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 16px;
  list-style: none;
  font-size: 12px;
  color: var(--muted);
  padding: 0;
  margin: 0;
}
.reader-heading .resource-facts li {
  padding: 0;
  margin: 0;
}
.reader-quick-actions,
.reader-header-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 22px;
}
.reader-header-actions .reader-quick-actions {
  margin-top: 0;
}
.reader-quick-actions > a,
.reader-quick-actions > button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 16px;
  min-height: 46px;
  padding: 10px 16px;
  color: var(--accent);
  background: white;
  border: 1px solid #d8d1cb;
  border-radius: 6px;
  font: inherit;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}
.reader-quick-actions > .reader-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--brand-on-action);
}
.reader-quick-actions > a:hover,
.reader-quick-actions > button:hover {
  border-color: var(--accent);
}
.reader-quick-actions > .reader-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.reader-quick-actions .ui-icon {
  width: 18px;
  height: 18px;
}
.reader-header-actions > .button {
  font: inherit;
  font-size: 14px;
  min-height: 46px;
  background: var(--accent);
}
.reader-sidebar {
  grid-area: sidebar;
  position: sticky;
  top: 92px;
  max-height: calc(100dvh - 112px);
  overflow-y: auto;
  padding: 8px 5px 8px 0;
}
.reader-toc {
  padding: 18px 0 0;
}
.reader-toc > summary,
.reader-companions h2 {
  color: var(--ink);
  font-size: 15px;
  font-weight: 650;
  line-height: 1.5;
}
.reader-toc > summary {
  display: flex;
  align-items: center;
  gap: 12px;
  list-style: none;
}
.reader-toc > summary::-webkit-details-marker {
  display: none;
}
.reader-toc [data-reader-current],
.reader-toc > summary .ui-icon {
  display: none;
}
.reader-toc-links {
  display: grid;
  gap: 3px;
  margin-top: 14px;
}
.reader-toc-links a {
  display: flex;
  align-items: start;
  gap: 10px;
  border-radius: 5px;
  min-height: 44px;
  padding: 10px 12px;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
  text-decoration: none;
}
.reader-toc-links a > span {
  flex: 0 0 19px;
  font-size: 11px;
  padding-top: 1px;
  color: #9b9da2;
  font-variant-numeric: tabular-nums;
}
.reader-toc-links a:hover {
  background: #faf7f5;
  color: var(--accent);
}
.reader-toc-links a[aria-current] {
  background: var(--brand-tint);
  color: var(--accent);
  font-weight: 600;
  box-shadow: inset 2px 0 var(--accent);
}
.reader-toc-links a[aria-current] > span {
  color: var(--accent);
}
.reader-companions {
  padding: 28px 0 12px;
}
.reader-companions h2 {
  margin: 0 0 12px;
}
.reader-companions a {
  display: flex;
  align-items: start;
  gap: 12px;
  padding: 12px 0;
  color: var(--ink);
  text-decoration: none;
}
.reader-companions a + a {
  border-top: 1px solid var(--line);
}
.reader-companions a > span {
  min-width: 0;
  flex: 1;
}
.reader-companions strong {
  display: block;
  font-size: 13px;
  font-weight: 500;
}
.reader-companions small {
  display: block;
  margin-top: 5px;
  font-size: 12px;
  line-height: 1.75;
  color: var(--muted);
}
.reader-companions .ui-icon {
  width: 16px;
  height: 16px;
  color: #9b9da2;
  margin-top: 5px;
}
.reader-companions a:hover strong {
  color: var(--accent);
  text-decoration: underline;
}
.reader-companions a:hover .ui-icon,
.reader-companions a:focus-visible .ui-icon {
  color: var(--accent);
}
.reader-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-size: 12px;
  color: var(--muted);
  text-decoration: none;
}
.reader-back:hover {
  color: var(--accent);
  text-decoration: underline;
}
.reader-sidebar-extra {
  border-top: 1px solid var(--line);
  padding-top: 18px;
}
.reader-download .button {
  font-size: 12px;
  padding: 10px 12px;
  background: var(--accent);
}
.reader-download p {
  color: var(--muted);
  font-size: 12px;
  margin: 10px 0 0;
}
.reader-download .button:hover,
.reader-header-actions > .button:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.reader-body {
  grid-area: body;
  min-width: 0;
  max-width: 100%;
}
.reader-body .detail-content > .content-section {
  padding: 32px 0;
}
.reader-body .detail-content > .content-section:first-child {
  padding-top: 30px;
}
.reader-body .detail-content h2 {
  font-size: 24px;
  line-height: 1.5;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.reader-body .content-section > p,
.reader-body .content-section > ul {
  font-size: 16px;
  line-height: 1.95;
}
.reader-body .content-section > ul {
  padding-left: 22px;
}
.reader-body .content-section > ul li {
  margin-bottom: 12px;
}
.reader-body .copy-box {
  border: 1px solid #e7d8d0;
  border-radius: 8px;
  box-shadow: none;
  margin-top: 20px;
  background: #fffcfa;
  overflow: hidden;
}
.reader-body .copy-heading {
  padding: 14px 18px;
  background: #faf3ef;
  border-bottom: 1px solid #eaded7;
}
.reader-body .copy-heading h3 {
  font-size: 14px;
  margin: 0;
}
.reader-body .copy-heading button {
  min-height: 44px;
  font-size: 12px;
  padding: 8px 12px;
}
.reader-body .copy-box pre {
  padding: 20px;
  font-size: 15px;
  line-height: 1.95;
  margin: 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}
.reader-body .example {
  border-left: 2px solid #e4d8d0;
  padding: 0 0 0 18px;
  margin: 24px 0;
}
.reader-body .example h3 {
  font-size: 16px;
  margin-bottom: 8px;
}
.reader-body .example p {
  font-size: 15px;
  line-height: 1.9;
  margin-bottom: 0;
}
.reader-body .usage-note {
  border-color: #e0d4cb;
  color: var(--muted);
  font-size: 12px;
}
.reader-page .detail-content [id] {
  scroll-margin-top: 18px;
}
.reader-page .content-section > h2[tabindex='-1']:focus,
.reader-page .content-section > h3[tabindex='-1']:focus {
  outline: none;
}
.reader-page .content-section:target > h2 {
  color: var(--accent);
}
.reader-page .copy-box.linked-content {
  outline: 1px solid var(--brand-focus);
  outline-offset: 3px;
  background: var(--brand-tint);
}
.reader-ending {
  grid-area: ending;
  min-width: 0;
}
.reader-next {
  padding: 30px 0;
  border-top: 1px solid var(--line);
}
.reader-next .ui-section-heading {
  align-items: end;
  gap: 12px;
}
.reader-next h2 {
  font-size: 23px;
}
.reader-next .ui-section-heading > a {
  font-size: 12px;
  white-space: nowrap;
  text-decoration: none;
}
.reader-next-links {
  display: grid;
  gap: 0;
}
.reader-next-links > a {
  display: flex;
  align-items: start;
  gap: 24px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
  color: var(--ink);
  text-decoration: none;
}
.reader-next-links > a > span {
  flex: 1;
  min-width: 0;
}
.reader-next-links strong {
  display: block;
  font-size: 15px;
  font-weight: 600;
}
.reader-next-links small {
  display: block;
  font-size: 12px;
  color: var(--muted);
  line-height: 1.85;
  margin-top: 5px;
}
.reader-next-links .ui-icon {
  width: 18px;
  height: 18px;
  color: var(--accent);
  margin-top: 4px;
}
.reader-next-links a:hover strong {
  color: var(--accent);
  text-decoration: underline;
}
.reader-page > .source-note {
  border-top: 1px solid var(--line);
  margin: 0 310px 24px 0;
  padding: 16px 0;
}
@media (min-width: 901px) {
  .reader-toc > summary {
    pointer-events: none;
  }
}
@media (max-width: 1100px) {
  .reader-layout {
    grid-template-columns: minmax(0, 1fr) 224px;
    column-gap: 32px;
  }
  .reader-page > .source-note {
    margin-right: 256px;
  }
  .reader-heading h1 {
    font-size: 30px;
  }
}
@media (max-width: 900px) {
  .reader-layout {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas: 'heading' 'sidebar' 'body' 'ending';
  }
  .reader-sidebar {
    position: static;
    max-height: none;
    overflow: visible;
    padding: 0;
  }
  .reader-toc {
    padding: 0;
  }
  .reader-toc > summary {
    min-height: 52px;
    padding: 10px 0;
    cursor: pointer;
  }
  .reader-toc [data-reader-current] {
    display: block;
    margin-left: auto;
    max-width: 50%;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    color: var(--muted);
    font-size: 12px;
    font-weight: 400;
  }
  .reader-toc > summary .ui-icon {
    display: block;
    width: 15px;
    height: 15px;
    color: var(--muted);
    transform: rotate(90deg);
  }
  .reader-toc[open] > summary .ui-icon {
    transform: rotate(-90deg);
  }
  .reader-toc-links {
    margin: 0 0 12px;
  }
  .reader-companions {
    display: grid;
    grid-template-columns: 74px minmax(0, 1fr);
    gap: 8px;
    padding: 14px 0;
    border-top: 0;
    border-bottom: 1px solid var(--line);
  }
  .reader-companions h2 {
    align-self: start;
    padding: 10px 0;
    margin: 0;
    white-space: nowrap;
  }
  .reader-companions small {
    display: none;
  }
  .reader-companions a {
    padding: 8px 0;
    min-height: 44px;
    align-items: center;
  }
  .reader-companions a + a {
    border-top: none;
  }
  .reader-companions .ui-icon {
    margin-top: 0;
    width: 14px;
    height: 14px;
  }
  .reader-back {
    display: none;
  }
  .reader-sidebar-extra {
    padding: 14px 0;
    border-top: 0;
    border-bottom: 1px solid var(--line);
  }
  .reader-sidebar-extra p {
    display: none;
  }
  .reader-page > .source-note {
    margin-right: 0;
  }
}
@media (max-width: 600px) {
  .reader-page {
    padding-top: 20px;
  }
  .reader-heading {
    padding-bottom: 22px;
  }
  .reader-heading .breadcrumb {
    margin-bottom: 22px;
  }
  .reader-heading h1 {
    font-size: 27px;
    margin: 10px 0 14px;
  }
  .reader-lead {
    font-size: 14px;
    line-height: 1.9;
  }
  .reader-heading .resource-facts {
    font-size: 11px;
    gap: 6px 12px;
  }
  .reader-quick-actions {
    gap: 10px;
    margin-top: 18px;
  }
  .reader-quick-actions > a,
  .reader-quick-actions > button {
    font-size: 12px;
    padding: 10px 12px;
    gap: 10px;
  }
  .reader-quick-actions .ui-icon {
    width: 16px;
    height: 16px;
  }
  .reader-header-actions {
    align-items: start;
  }
  .reader-body .detail-content > .content-section {
    padding: 26px 0;
  }
  .reader-body .detail-content h2 {
    font-size: 21px;
  }
  .reader-body .content-section > p,
  .reader-body .content-section > ul {
    font-size: 15px;
  }
  .reader-body .copy-heading {
    padding: 12px 14px;
    gap: 12px;
  }
  .reader-body .copy-box pre {
    padding: 16px;
    font-size: 14px;
  }
  .reader-next .ui-section-heading {
    align-items: start;
  }
}
@media print {
  .reader-layout {
    display: block;
  }
  .reader-sidebar,
  .reader-quick-actions,
  .reader-header-actions,
  .reader-ending,
  .reader-body .copy-heading button,
  .reader-page > .source-note {
    display: none;
  }
  .reader-heading {
    padding-bottom: 16px;
  }
  .reader-body .copy-box {
    break-inside: auto;
  }
  .reader-page .content-section > h2 {
    color: var(--ink);
  }
}