/* 阅读目录只作用于文章、播客、项目与工具；生活花园沿用原阅读布局。 */
.catalog-reader-shell { display: contents; }
.catalog-reader-sidebar[hidden] { display: none; }
#reader.has-catalog {
  width: min(1200px, calc(100vw - 50px));
  --catalog-line: var(--reader-line, #bacbd366);
  --catalog-ink: var(--reader-heading, #273c49);
  --catalog-muted: var(--reader-muted, #6b7d88);
  --catalog-accent: var(--reader-link, #315d76);
}
#reader.has-catalog .catalog-reader-shell {
  position: relative;
  display: flex;
  flex: 1;
  min-height: 0;
  overflow: hidden;
}
#reader.has-catalog .reader-scroll { min-width: 0; width: 100%; }
#reader.has-catalog .reading-page { max-width: 744px; padding: 48px 52px 64px; }
#reader.has-catalog .reader-toc {
  position: absolute;
  top: 28px;
  right: 12px;
  max-width: 184px;
  min-width: 0;
}
#reader.has-catalog .reader-toc nav { padding: 4px; }
#reader.has-catalog .reader-toc nav a { font-size: 11px; font-weight: 400; line-height: 1.65; }
#reader.has-catalog .reader-toc nav a[aria-current="location"] { font-weight: 600; }
.catalog-reader-sidebar {
  position: absolute;
  top: 28px;
  left: 12px;
  z-index: 4;
  max-width: calc(100% - 24px);
  min-width: 0;
  font-family: var(--serif);
  color: var(--catalog-ink);
}
.catalog-reader-sidebar.is-open {
  width: 252px;
  border: 1px solid var(--catalog-line);
  border-radius: 8px;
  background: var(--reader-paper);
  box-shadow: 0 10px 32px #142c4212;
}
.catalog-reader-summary {
  display: flex;
  align-items: center;
  gap: 9px;
  writing-mode: vertical-rl;
  cursor: pointer;
  border: 0;
  border-radius: 0;
  background: transparent;
  padding: 13px 8px;
  color: var(--catalog-muted);
  min-width: 32px;
}
.catalog-reader-label { font: 400 10px/1.5 var(--sans); letter-spacing: .15em; }
.catalog-reader-count { display: none; font: 11px/1.5 var(--sans); color: var(--catalog-muted); }
.catalog-reader-sidebar.is-open .catalog-reader-summary { writing-mode: horizontal-tb; width: 100%; padding: 14px 15px 10px; }
.catalog-reader-sidebar.is-open .catalog-reader-count { display: inline; }
.catalog-reader-sidebar.is-open .catalog-reader-summary::after { content: '−'; margin-left: auto; font-size: 15px; }
.catalog-reader-nav {
  display: grid;
  gap: 4px;
  max-height: calc(94svh - 210px);
  overflow-y: auto;
  overscroll-behavior: contain;
  scrollbar-width: thin;
  scrollbar-color: var(--catalog-line) transparent;
  padding: 0 8px 10px;
}
.catalog-reader-nav[hidden] { display: none; }
.catalog-reader-nav a { text-decoration: none; }
.catalog-reader-intro {
  display: block;
  padding: 10px 12px;
  margin-bottom: 6px;
  color: var(--catalog-muted);
  font-size: 12px;
  font-weight: 600;
  border-bottom: 1px solid var(--catalog-line);
}
.catalog-reader-item {
  display: grid;
  grid-template-columns: 19px minmax(0, 1fr) 9px;
  gap: 8px;
  align-items: baseline;
  padding: 12px 11px;
  border: 1px solid transparent;
  border-radius: 7px;
  color: var(--catalog-ink);
  font-size: 12px;
  font-weight: 600;
  line-height: 1.65;
  transition: background-color .18s ease, border-color .18s ease, translate .18s ease;
}
.catalog-reader-number { font-size: 10px; font-weight: 400; color: var(--catalog-muted); }
.catalog-reader-item-title { overflow-wrap: anywhere; }
.catalog-reader-arrow { color: var(--catalog-muted); transition: rotate .18s ease; }
.catalog-reader-item:hover { background: color-mix(in srgb, var(--catalog-accent) 6%, transparent); translate: 2px 0; }
.catalog-reader-item[aria-current="page"] {
  color: var(--catalog-accent);
  background: color-mix(in srgb, var(--catalog-accent) 7%, transparent);
  border-color: var(--catalog-line);
}
.catalog-reader-intro[aria-current="page"] { color: var(--catalog-accent); }
.catalog-reader-sidebar a:focus-visible,
.catalog-reader-summary:focus-visible { outline: 2px solid var(--catalog-accent); outline-offset: 2px; border-radius: 4px; }
#reader.catalog-resource-page #reader-body img { width: auto; max-width: min(100%, 420px); max-height: 400px; object-fit: contain; margin: 24px 0; }
#reader #reader-body img[src*="mac-tools-"][src*="-logo."] { width: 88px; height: 88px; object-fit: contain; margin: 22px 0; border: 0; border-radius: 16px; }
#reader.catalog-resource-page #reader-body h2:first-child { margin-top: 0; }
#reader.catalog-resource-page #reader-body a { font: 600 14px/1.8 var(--sans); }
#reader.has-catalog #reader-source,
#reader.has-catalog #reader-body a { font-size: 14px; font-weight: 600; }
#reader.has-catalog #reader-body a :is(b, strong) { font-weight: inherit; }
@media (min-width: 761px) and (max-width: 1100px) {
  #reader.has-catalog .reading-page { padding-inline: 58px; }
}
@media (max-width: 760px) {
  #reader.has-catalog { width: calc(100vw - 12px); }
  .catalog-reader-sidebar { top: 6px; left: 12px; }
  .catalog-reader-sidebar.is-open { width: min(280px, calc(100vw - 64px)); }
  .catalog-reader-summary { writing-mode: horizontal-tb; min-height: 40px; padding: 10px 5px; }
  .catalog-reader-nav { max-height: min(60svh, 440px); }
  .catalog-reader-item { padding: 11px 12px; }
  #reader.has-catalog .reader-toc { top: 6px; right: 12px; max-width: min(260px, calc(100vw - 64px)); }
  #reader.has-catalog .reader-toc-trigger { writing-mode: horizontal-tb; padding: 12px 5px; margin-bottom: 0; min-height: 40px; }
  #reader.has-catalog .reader-toc nav { max-height: min(60svh, 440px); padding: 6px; border: 1px solid var(--catalog-line); border-radius: 6px; }
  #reader.has-catalog .reader-scroll { min-height: 0; }
  #reader.has-catalog .reading-page { padding: 58px 23px 45px; }
  #reader.has-catalog #reader-title { font-size: min(var(--reading-title-size, 36px), 28px); }
}
@media (prefers-reduced-motion: reduce) {
  .catalog-reader-item, .catalog-reader-arrow { transition: none; }
  .catalog-reader-item:hover { translate: none; }
}

/* 文章全屏阅读：左侧文字索引，右侧常驻圆点目录。 */
.reader-hover-hint,
.reader-entry-chevron,
.article-stepper[hidden],
.article-pagination[hidden] { display: none; }
#reader.article-reader-page {
  position: fixed;
  inset: 0;
  width: 100vw;
  max-width: none;
  height: 100dvh;
  max-height: none;
  margin: 0;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}
#reader.article-reader-page .dialog-bar { padding-inline: 28px; }
#reader.article-reader-page .reading-page { padding-top: 64px; }
#reader.article-reader-page .reader-scroll { transition: opacity .18s ease; }
#reader.article-reader-page .catalog-reader-sidebar { top: 24px; left: 28px; }
#reader.article-reader-page .catalog-reader-sidebar.is-open {
  width: clamp(180px, calc((100vw - 640px) / 2 - 60px), 264px);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
#reader.article-reader-page .catalog-reader-summary {
  display: grid;
  grid-template-columns: auto auto auto;
  align-items: center;
  justify-content: start;
  gap: 4px 8px;
  writing-mode: horizontal-tb;
  min-width: 128px;
  min-height: 56px;
  padding: 9px 0;
  margin: 0;
  color: var(--catalog-ink);
  text-align: left;
  letter-spacing: .02em;
  border-radius: 0;
  background: none;
}
#reader.article-reader-page .catalog-reader-label {
  grid-column: 1;
  grid-row: 1;
  font: 600 13px/1.5 var(--sans);
  letter-spacing: .02em;
}
#reader.article-reader-page .catalog-reader-count { grid-column: 2; grid-row: 1; }
#reader.article-reader-page .catalog-reader-summary .reader-hover-hint {
  display: block;
  grid-column: 1 / -1;
  grid-row: 2;
  color: var(--catalog-muted);
  font: 400 10px/1.5 var(--sans);
  letter-spacing: .03em;
}
.reader-hover-hint .hint-touch { display: none; }
#reader.article-reader-page .catalog-reader-summary .reader-entry-chevron {
  display: block;
  grid-column: 3;
  grid-row: 1;
  font: 400 14px/1 var(--sans);
  color: var(--catalog-muted);
  transition: rotate .18s ease;
}
#reader.article-reader-page .catalog-reader-summary::after { content: none; }
#reader.article-reader-page .catalog-reader-sidebar.is-open .reader-entry-chevron { rotate: 180deg; }
#reader.article-reader-page .catalog-reader-sidebar.is-open .catalog-reader-summary { width: 100%; }
#reader.article-reader-page .catalog-reader-nav {
  max-height: calc(100dvh - 200px);
  padding: 4px 6px 12px 0;
  gap: 5px;
  background: transparent;
  border: 0;
  scrollbar-width: thin;
  scrollbar-color: var(--catalog-line) transparent;
  overscroll-behavior: contain;
}
#reader.article-reader-page .catalog-reader-sidebar.is-open .catalog-reader-nav { animation: article-index-in .2s ease both; }
#reader.article-reader-page .catalog-reader-intro {
  padding: 7px 0 10px;
  margin: 0;
  border: 0;
  font-weight: 400;
  font-size: 11px;
}
#reader.article-reader-page .catalog-reader-item {
  grid-template-columns: 18px minmax(0, 1fr) 8px;
  gap: 7px;
  padding: 10px 0;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.75;
  color: var(--catalog-muted);
  border: 0;
  border-radius: 0;
  background: transparent;
}
#reader.article-reader-page .catalog-reader-item:is(:hover, :focus-visible, [aria-current="page"]) {
  color: var(--catalog-ink);
  background: transparent;
  border: 0;
}
#reader.article-reader-page .catalog-reader-item[aria-current="page"] { font-weight: 700; }
#reader.article-reader-page .catalog-reader-number { font: italic 11px/1.6 Georgia, serif; }
#reader.article-reader-page .catalog-reader-arrow { opacity: 0; }
#reader.article-reader-page .catalog-reader-item:is(:hover, :focus-visible) .catalog-reader-arrow { opacity: 1; }
@keyframes article-index-in {
  from { opacity: 0; transform: translateX(-6px); }
  to { opacity: 1; transform: translateX(0); }
}

/* 每个圆点独立显示章节名，不再展开整个目录面板。 */
#reader.article-reader-page .reader-toc,
#reader.article-reader-page .reader-toc.is-open {
  position: absolute;
  top: 50%;
  right: 20px;
  width: 44px;
  max-width: none;
  transform: translateY(-50%);
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}
#reader.article-reader-page .reader-toc-trigger { display: none; }
#reader.article-reader-page .reader-toc nav {
  display: flex;
  flex-direction: column;
  gap: 0;
  padding: 0;
  max-height: none;
  overflow: visible;
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}
#reader.article-reader-page .reader-toc nav a {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 44px;
  height: clamp(16px, calc((100dvh - 180px) / var(--reader-dot-count, 10)), 30px);
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: var(--catalog-muted);
  text-decoration: none;
}
#reader.article-reader-page .reader-toc-dot {
  display: block;
  width: 5px;
  height: 5px;
  border-radius: 99px;
  background: currentColor;
  opacity: .48;
  transition: width .18s ease, opacity .18s ease, color .18s ease;
}
#reader.article-reader-page .reader-toc nav a[aria-current="location"] .reader-toc-dot {
  width: 18px;
  opacity: 1;
  color: var(--catalog-accent);
}
#reader.article-reader-page .reader-toc nav a:is(:hover, :focus-visible) .reader-toc-dot { width: 14px; opacity: 1; }
#reader.article-reader-page .reader-toc-dot-label {
  position: absolute;
  right: 40px;
  top: 50%;
  width: max-content;
  max-width: min(300px, calc(100vw - 90px));
  padding: 6px 8px;
  color: var(--catalog-ink);
  background: var(--reader-paper);
  box-shadow: 0 0 14px 6px var(--reader-paper);
  font: 400 12px/1.7 var(--sans);
  text-align: right;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transform: translate(8px, -50%);
  transition: opacity .18s ease, transform .18s ease, visibility .18s ease;
}
#reader.article-reader-page .reader-toc nav a:is(:hover, :focus-visible) .reader-toc-dot-label {
  opacity: 1;
  visibility: visible;
  transform: translate(0, -50%);
}
#reader.article-reader-page .reader-toc nav a:focus-visible { outline: 1px solid var(--catalog-accent); outline-offset: 0; border-radius: 4px; }

.article-stepper {
  display: flex;
  align-items: center;
  gap: 5px;
  margin-left: 12px;
  padding-left: 22px;
  border-left: 1px solid var(--catalog-line);
}
.article-stepper-button {
  display: grid;
  place-items: center;
  width: 34px;
  height: 34px;
  padding: 0;
  border-radius: 50%;
  font: 400 18px/1 var(--sans);
  transition: background-color .18s ease;
}
.article-stepper-button:hover:not(:disabled) { background: color-mix(in srgb, var(--catalog-accent) 8%, transparent); }
.article-stepper-button:disabled { opacity: .3; cursor: default; }
.article-stepper-position { min-width: 36px; text-align: center; font: 12px/1.5 Georgia, serif; color: var(--catalog-muted); }
.article-pagination {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 32px;
  margin-top: 56px;
  padding-top: 24px;
  border-top: 1px solid var(--catalog-line);
}
.article-pagination-link { min-width: 0; color: var(--catalog-ink); }
.article-pagination-link.is-placeholder { visibility: hidden; }
.article-pagination-link.is-next { grid-column: 2; text-align: right; }
.article-pagination-direction { display: block; margin-bottom: 10px; font: 600 13px/1.5 var(--sans); color: var(--catalog-accent); }
.article-pagination-title { display: block; font: 400 15px/1.7 var(--serif); overflow-wrap: anywhere; }
.article-pagination-link:hover .article-pagination-title { text-decoration: underline; text-underline-offset: 4px; }
#reader.article-reader-page .reader-end { margin-top: 36px; }
@media (max-width: 1100px) {
  #reader.article-reader-page .reader-scroll { margin-top: 76px; }
  #reader.article-reader-page .reading-page { padding-top: 28px; }
  #reader.article-reader-page .catalog-reader-sidebar { top: 14px; left: 20px; }
  #reader.article-reader-page .catalog-reader-sidebar.is-open { width: min(310px, calc(100vw - 80px)); }
  #reader.article-reader-page:has(.catalog-reader-sidebar.is-open) .reader-scroll { opacity: 0; pointer-events: none; }

}
@media (max-width: 760px) {
  #reader.article-reader-page .dialog-bar { flex-wrap: wrap; gap: 4px 10px; padding: 8px 12px; }
  #reader.article-reader-page .reader-return { white-space: nowrap; }
  #reader.article-reader-page .reading-theme { width: 30px; height: 32px; }
  #reader.article-reader-page .icon-button { width: 32px; height: 34px; }
  #reader.article-reader-page .article-stepper {
    order: 5;
    flex-basis: 100%;
    justify-content: center;
    margin: 0;
    padding: 0;
    border: 0;
  }
  #reader.article-reader-page .article-stepper-button { width: 44px; }
  #reader.article-reader-page .catalog-reader-sidebar { left: 10px; top: 10px; }
  #reader.article-reader-page .reader-toc { right: 1px; }
  #reader.article-reader-page .reader-scroll { margin-top: 68px; }
  #reader.article-reader-page .reading-page { padding: 20px 45px 45px 23px; }
  #reader.article-reader-page .catalog-reader-summary { min-width: 118px; }
  .article-pagination { gap: 24px; }
  .article-pagination-title { font-size: 14px; }
}
@media (hover: none), (pointer: coarse) {
  .reader-hover-hint .hint-pointer { display: none; }
  .reader-hover-hint .hint-touch { display: inline; }
}
@media (prefers-reduced-motion: reduce) {
  #reader.article-reader-page .reader-entry-chevron,
  #reader.article-reader-page .reader-scroll,
  #reader.article-reader-page .reader-toc-dot,
  #reader.article-reader-page .reader-toc-dot-label,
  .article-stepper-button { transition: none; }
  #reader.article-reader-page .catalog-reader-sidebar.is-open .catalog-reader-nav { animation: none; }
}