.pdf-footnote {
  display: inline-flex;
  vertical-align: super;
  margin-left: 0.18rem;
}

.pdf-footnote__trigger {
  appearance: none;
  border: 0;
  min-width: 1.55rem;
  height: 1.55rem;
  padding: 0 0.42rem;
  border-radius: 999px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.72rem;
  font-weight: 700;
  line-height: 1;
  cursor: pointer;
  transition: transform 180ms ease, box-shadow 180ms ease, background-color 180ms ease;
  box-shadow: 0 4px 10px rgba(20, 54, 50, 0.12);
}

.pdf-footnote__trigger:hover,
.pdf-footnote__trigger:focus-visible {
  transform: translateY(-1px);
  box-shadow: 0 10px 18px rgba(20, 54, 50, 0.16);
  outline: none;
}

.pdf-footnote__trigger--mint {
  background: #dff5eb;
  color: #14624e;
}

.pdf-footnote__trigger--sky {
  background: #deeffc;
  color: #155883;
}

.pdf-footnote__trigger--amber {
  background: #fff0ca;
  color: #8b5a06;
}

.footnotes .pdf-footnote {
  margin-left: 0.36rem;
  vertical-align: baseline;
}

.footnotes .pdf-footnote__trigger {
  min-width: 0;
  height: 1.22rem;
  padding: 0 0.48rem;
  font-size: 0.66rem;
  box-shadow: none;
}

.pdf-footnote-modal {
  position: fixed;
  inset: 0;
  z-index: 120;
  display: none;
}

.pdf-footnote-modal.is-open {
  display: block;
}

.pdf-footnote-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(8, 24, 22, 0.52);
  backdrop-filter: blur(6px);
}

.pdf-footnote-modal__dialog {
  position: relative;
  margin: clamp(18px, 4vw, 44px);
  height: calc(100vh - clamp(36px, 8vw, 88px));
  border-radius: 28px;
  overflow: hidden;
  background: rgba(248, 251, 253, 0.98);
  box-shadow: 0 34px 70px rgba(3, 18, 17, 0.22);
}

.pdf-footnote-modal__chrome {
  height: 100%;
  display: flex;
  flex-direction: column;
}

.pdf-footnote-modal__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.15rem 1.35rem 1rem;
  border-bottom: 1px solid rgba(22, 54, 72, 0.08);
  background: rgba(255, 255, 255, 0.9);
}

.pdf-footnote-modal__eyebrow {
  margin: 0 0 0.3rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #5c7280;
}

.pdf-footnote-modal__title {
  margin: 0;
  font-size: clamp(1.05rem, 1.4vw, 1.35rem);
  color: #203440;
}

.pdf-footnote-modal__meta {
  margin-top: 0.38rem;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.7rem;
  font-size: 0.84rem;
  color: #667b89;
}

.pdf-footnote-modal__link {
  color: #147aa2;
  text-decoration: none;
  font-weight: 700;
}

.pdf-footnote-modal__link:hover {
  text-decoration: underline;
}

.pdf-footnote-modal__close {
  appearance: none;
  border: 0;
  background: rgba(27, 71, 98, 0.08);
  color: #214253;
  width: 2.4rem;
  height: 2.4rem;
  border-radius: 999px;
  font-size: 1.35rem;
  line-height: 1;
  cursor: pointer;
}

.pdf-footnote-modal__frame-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  background:
    linear-gradient(180deg, rgba(240, 245, 249, 0.82), rgba(248, 251, 253, 0.96)),
    #f8fbfd;
}

.pdf-footnote-modal__frame {
  width: 100%;
  height: 100%;
  border: 0;
  display: block;
  background: transparent;
}

.pdf-footnote-modal__loading {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #36586d;
  font-weight: 600;
  background: rgba(248, 251, 253, 0.78);
  z-index: 1;
}

.pdf-footnote-modal__loading[hidden] {
  display: none !important;
}

.guideline-shelf {
  margin: 2rem 0 2.4rem;
  padding: 1.1rem 1.15rem 1.2rem;
  border-radius: 24px;
  background:
    radial-gradient(circle at top left, rgba(49, 169, 150, 0.12), transparent 38%),
    linear-gradient(180deg, rgba(244, 251, 249, 0.98), rgba(255, 255, 255, 0.98));
  border: 1px solid rgba(20, 84, 73, 0.08);
  box-shadow: 0 18px 36px rgba(8, 38, 34, 0.06);
}

.guideline-shelf__header {
  display: flex;
  flex-wrap: wrap;
  align-items: end;
  justify-content: space-between;
  gap: 0.8rem 1.2rem;
  margin-bottom: 1rem;
}

.guideline-shelf__eyebrow {
  margin: 0 0 0.35rem;
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: #4c746d;
}

.guideline-shelf__title {
  margin: 0;
  font-size: clamp(1.15rem, 1.8vw, 1.55rem);
  color: #153f39;
}

.guideline-shelf__intro {
  margin: 0;
  max-width: 38rem;
  color: #4f6965;
  line-height: 1.7;
}

.guideline-shelf__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 0.95rem;
}

.guideline-card {
  display: grid;
  grid-template-columns: 64px minmax(0, 1fr);
  gap: 0.9rem;
  align-items: start;
  padding: 1rem;
  min-height: 100%;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid rgba(20, 84, 73, 0.08);
  box-shadow: 0 12px 24px rgba(10, 38, 34, 0.06);
}

.guideline-card__frame {
  color: #1a7b67;
}

.guideline-card--sky .guideline-card__frame {
  color: #2074a4;
}

.guideline-card--amber .guideline-card__frame {
  color: #b5730a;
}

.guideline-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-bottom: 0.55rem;
}

.guideline-card__tag,
.guideline-card__source {
  font-size: 0.76rem;
  line-height: 1;
  padding: 0.34rem 0.56rem;
  border-radius: 999px;
}

.guideline-card__tag {
  background: #dff5eb;
  color: #15604e;
  font-weight: 700;
}

.guideline-card--sky .guideline-card__tag {
  background: #deeffc;
  color: #145a84;
}

.guideline-card--amber .guideline-card__tag {
  background: #fff0ca;
  color: #8e5b08;
}

.guideline-card__source {
  background: rgba(19, 80, 71, 0.06);
  color: #536d69;
}

.guideline-card__title {
  margin: 0 0 0.45rem;
  font-size: 1rem;
  line-height: 1.45;
  color: #193f39;
}

.guideline-card__body {
  color: #4c6763;
  line-height: 1.66;
  font-size: 0.92rem;
}

.guideline-card__body > :first-child {
  margin-top: 0;
}

.guideline-card__body > :last-child {
  margin-bottom: 0;
}

.guideline-card__link {
  margin-top: 0.9rem;
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: #0e6557;
  text-decoration: none;
  font-weight: 700;
}

.guideline-card__link:hover {
  text-decoration: underline;
}

.guideline-card__subactions {
  margin-top: 0.65rem;
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  align-items: center;
}

.guideline-card__raw-link,
.guideline-card__admin-link {
  font-size: 0.82rem;
  color: #56706c;
  text-decoration: none;
}

.guideline-card__raw-link:hover,
.guideline-card__admin-link:hover {
  text-decoration: underline;
}

.guideline-card__admin-link {
  color: #0e6557;
  font-weight: 700;
}

.sidebar_guideline_shelf {
  margin-top: 0.6rem;
  padding: 1rem 1.05rem 1.15rem;
  border-radius: 16px;
  border: 1px solid rgba(14, 101, 87, 0.14);
  background: linear-gradient(165deg, rgba(15, 161, 133, 0.08), rgba(16, 58, 87, 0.03));
}

.sidebar_guideline_title_link {
  color: #102a43;
  text-decoration: none;
}

.sidebar_guideline_title_link:hover {
  text-decoration: underline;
}

.sidebar_guideline_intro {
  margin: 0.28rem 0 0.85rem;
  color: #5a6f6b;
  line-height: 1.6;
  font-size: 0.88rem;
}

.sidebar_guideline_entry_button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.84rem;
  line-height: 1;
  padding: 0.58rem 0.85rem;
  border-radius: 999px;
}

.guideline-room__empty {
  border: 1px dashed rgba(16, 58, 87, 0.24);
  border-radius: 16px;
  padding: 1rem;
  color: #42605c;
  background: rgba(240, 248, 247, 0.65);
}

/* Prevent long unbroken text/URLs from overflowing list cards */
.excerpt_footer.partition > * {
  min-width: 0;
}

.excerpt_footer .pale,
.excerpt_footer .pale p,
.excerpt_footer .pale a,
.excerpt_footer .pale li {
  max-width: 100%;
  overflow-wrap: anywhere;
  word-break: break-word;
}

@media (max-width: 1200px) {
  .sidebar_guideline_shelf {
    padding: 0.95rem 0.95rem 1.05rem;
  }
}

@media (max-width: 980px) {
  .pdf-footnote-modal__dialog {
    margin: 14px;
    height: calc(100vh - 28px);
  }
}

@media (max-width: 720px) {
  .guideline-card {
    grid-template-columns: 1fr;
  }

}

@media (prefers-reduced-motion: reduce) {
  .pdf-footnote__trigger,
  .pdf-footnote-modal,
  .guideline-card {
    transition: none;
  }
}

/* ==========================================================================
   Guideline 集散地（.gh）— 主題磚 + 搜尋 + 年份時間軸
   使用 hallmark 主題的 token（--color-paper / --color-ink / --font-display …）
   ========================================================================== */

#guideline-hub {
  --gh-accent: var(--color-accent, #fe6a01);
  --gh-accent-ink: var(--color-accent-ink, #b22800);
  --gh-tint: rgba(254, 106, 1, 0.08);
  margin: 0.5rem 0 2rem;
  font-family: var(--font-body-zh, "Noto Sans TC", system-ui, sans-serif);
  color: var(--color-ink, #0b121a);
}
#guideline-hub [hidden] { display: none !important; }
#guideline-hub a { text-decoration: none; border-bottom: 0; }
#guideline-hub h2::before, #guideline-hub h3::before, #guideline-hub h4::before { content: none !important; }
#guideline-hub h3, #guideline-hub h4 { border-top: 0; padding-top: 0; }
#guideline-hub a { padding-bottom: 0; }
#guideline-hub ol, #guideline-hub ul { list-style: none; margin: 0; padding: 0; }
#guideline-hub li { margin: 0; }
#guideline-hub p { margin: 0; }

/* 主題色 */
#guideline-hub .gh__tile--rose, #guideline-hub .gh__topic--rose, #guideline-hub .gh__chip--rose { --gh-accent: #d9480f; --gh-accent-ink: #a8380a; --gh-tint: rgba(217, 72, 15, 0.09); }
#guideline-hub .gh__tile--violet, #guideline-hub .gh__topic--violet, #guideline-hub .gh__chip--violet { --gh-accent: #6d28d9; --gh-accent-ink: #4c1d95; --gh-tint: rgba(109, 40, 217, 0.09); }
#guideline-hub .gh__tile--indigo, #guideline-hub .gh__topic--indigo, #guideline-hub .gh__chip--indigo { --gh-accent: #3451b2; --gh-accent-ink: #253a86; --gh-tint: rgba(52, 81, 178, 0.10); }
#guideline-hub .gh__tile--amber, #guideline-hub .gh__topic--amber, #guideline-hub .gh__chip--amber { --gh-accent: #0f766e; --gh-accent-ink: #115e59; --gh-tint: rgba(15, 118, 110, 0.10); }
#guideline-hub .gh__tile--sky, #guideline-hub .gh__topic--sky, #guideline-hub .gh__chip--sky { --gh-accent: #0284c7; --gh-accent-ink: #075985; --gh-tint: rgba(2, 132, 199, 0.10); }
#guideline-hub .gh__tile--slate, #guideline-hub .gh__topic--slate, #guideline-hub .gh__chip--slate { --gh-accent: #475569; --gh-accent-ink: #1e293b; --gh-tint: rgba(71, 85, 105, 0.12); }
#guideline-hub .gh__tile--orange, #guideline-hub .gh__topic--orange, #guideline-hub .gh__chip--orange { --gh-accent: #ea580c; --gh-accent-ink: #9a3412; --gh-tint: rgba(234, 88, 12, 0.10); }
#guideline-hub .gh__tile--teal, #guideline-hub .gh__topic--teal, #guideline-hub .gh__chip--teal { --gh-accent: #0d9488; --gh-accent-ink: #115e59; --gh-tint: rgba(13, 148, 136, 0.10); }
#guideline-hub .gh__tile--cyan, #guideline-hub .gh__topic--cyan, #guideline-hub .gh__chip--cyan { --gh-accent: #0e7490; --gh-accent-ink: #155e75; --gh-tint: rgba(14, 116, 144, 0.10); }

/* ---- Hero ---- */
#guideline-hub .gh__hero { display: grid; gap: 1rem; margin-bottom: 2.25rem; }
#guideline-hub .gh__eyebrow {
  font-size: 0.72rem; font-weight: 700; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-accent-ink, #b22800);
}
#guideline-hub .gh__intro { font-size: 1rem; line-height: 1.8; color: var(--color-ink-2, #353b42); max-width: 44rem; }

#guideline-hub .gh__search {
  display: flex; align-items: center; gap: 0.6rem;
  padding: 0.55rem 0.75rem 0.55rem 0.9rem;
  border: 1.5px solid var(--color-rule-bold, #a39e94);
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 1px 0 rgba(11, 18, 26, 0.04);
  transition: border-color 120ms ease, box-shadow 120ms ease;
}
#guideline-hub .gh__search:focus-within { border-color: var(--color-accent, #fe6a01); box-shadow: 0 0 0 4px rgba(254, 106, 1, 0.14); }
#guideline-hub .gh__search-icon { width: 20px; height: 20px; flex: none; color: var(--color-ink-3, #6c7278); }
#guideline-hub .gh__search input {
  flex: 1 1 auto; min-width: 0; border: 0; outline: 0; background: transparent;
  font: inherit; font-size: 1.05rem; color: var(--color-ink, #0b121a);
}
#guideline-hub .gh__search input::placeholder { color: var(--color-ink-3, #6c7278); }
#guideline-hub .gh__search input::-webkit-search-cancel-button { -webkit-appearance: none; }
#guideline-hub .gh__count {
  flex: none; font-variant-numeric: tabular-nums; font-size: 0.8rem; font-weight: 600;
  color: var(--color-ink-3, #6c7278); padding: 0.15rem 0.5rem; border-radius: 999px;
  background: var(--color-paper-2, #f3eee6);
}
#guideline-hub .gh__clear {
  flex: none; border: 0; background: transparent; cursor: pointer; font: inherit; font-size: 0.85rem;
  font-weight: 600; color: var(--color-accent-ink, #b22800); padding: 0.2rem 0.4rem;
}

#guideline-hub .gh__tiles { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0.75rem; }
#guideline-hub .gh__tile {
  position: relative; display: grid; grid-template-rows: auto auto 1fr auto; gap: 0.3rem;
  min-height: 9.5rem; padding: 1rem 1rem 0.9rem;
  border-radius: 16px; border: 1px solid var(--color-rule, #d1cdc7);
  background: linear-gradient(160deg, var(--gh-tint), transparent 70%), #fff;
  color: var(--color-ink, #0b121a);
  transition: transform 160ms var(--ease-out, ease), box-shadow 160ms ease, border-color 160ms ease;
}
#guideline-hub .gh__tile:hover { transform: translateY(-2px); box-shadow: 0 10px 24px rgba(11, 18, 26, 0.08); border-color: var(--gh-accent); color: var(--color-ink, #0b121a); }
#guideline-hub .gh__tile-icon { display: inline-flex; width: 34px; height: 34px; align-items: center; justify-content: center; border-radius: 10px; background: var(--gh-tint); color: var(--gh-accent-ink); }
#guideline-hub .gh__tile-icon svg { width: 20px; height: 20px; }
#guideline-hub .gh__tile-name { font-family: var(--font-display-zh, serif); font-weight: 600; font-size: 1.15rem; line-height: 1.25; letter-spacing: -0.01em; }
#guideline-hub .gh__tile-sub { font-size: 0.78rem; line-height: 1.5; color: var(--color-ink-3, #6c7278); }
#guideline-hub .gh__tile-meta { font-size: 0.78rem; color: var(--color-ink-2, #353b42); padding-top: 0.35rem; border-top: 1px dashed var(--color-rule, #d1cdc7); }
#guideline-hub .gh__tile-meta b { font-family: var(--font-display, serif); font-size: 1.05rem; color: var(--gh-accent-ink); }

#guideline-hub .gh__recent { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem 0.6rem; padding: 0.75rem 0.9rem; border-radius: 12px; background: var(--color-paper-2, #f3eee6); }
#guideline-hub .gh__recent-label { font-size: 0.72rem; font-weight: 700; letter-spacing: 0.14em; text-transform: uppercase; color: var(--color-ink-3, #6c7278); flex: none; }
#guideline-hub .gh__recent-list { display: flex; flex-wrap: wrap; gap: 0.45rem; min-width: 0; }
#guideline-hub .gh__chip {
  display: inline-flex; align-items: center; gap: 0.4rem; max-width: 100%;
  padding: 0.3rem 0.7rem 0.3rem 0.4rem; border-radius: 999px;
  border: 1px solid var(--color-rule, #d1cdc7); background: #fff; color: var(--color-ink, #0b121a);
  font-size: 0.82rem; line-height: 1.3;
}
#guideline-hub .gh__chip:hover { border-color: var(--gh-accent); color: var(--gh-accent-ink); }
#guideline-hub .gh__chip-new { flex: none; font-size: 0.62rem; font-weight: 800; letter-spacing: 0.08em; padding: 0.15rem 0.4rem; border-radius: 999px; background: var(--gh-accent); color: #fff; }

/* ---- Topic ---- */
#guideline-hub .gh__topic { margin-top: 2.5rem; scroll-margin-top: 5rem; }
#guideline-hub .gh__topic-head {
  display: flex; align-items: center; gap: 0.85rem;
  padding-bottom: 0.75rem; margin-bottom: 1.1rem;
  border-bottom: 2px solid var(--gh-accent);
}
#guideline-hub .gh__topic-icon { display: inline-flex; width: 42px; height: 42px; flex: none; align-items: center; justify-content: center; border-radius: 12px; background: var(--gh-tint); color: var(--gh-accent-ink); }
#guideline-hub .gh__topic-icon svg { width: 24px; height: 24px; }
#guideline-hub .gh__topic-text { min-width: 0; flex: 1 1 auto; }
#guideline-hub .gh__topic-title { margin: 0; font-family: var(--font-display-zh, serif); font-weight: 600; font-size: 1.5rem; line-height: 1.2; letter-spacing: -0.01em; }
#guideline-hub .gh__topic-sub { margin: 0.15rem 0 0; font-size: 0.85rem; color: var(--color-ink-3, #6c7278); }
#guideline-hub .gh__topic-count { flex: none; font-variant-numeric: tabular-nums; font-size: 0.8rem; font-weight: 700; color: var(--gh-accent-ink); padding: 0.25rem 0.65rem; border-radius: 999px; background: var(--gh-tint); }

/* ---- Group ---- */
#guideline-hub .gh__group + .gh__group { margin-top: 1.4rem; }
#guideline-hub .gh__group-head { display: flex; flex-wrap: wrap; align-items: baseline; gap: 0.5rem 0.65rem; margin-bottom: 0.4rem; }
#guideline-hub .gh__group-title { margin: 0; font-family: var(--font-body, sans-serif); font-weight: 700; font-size: 1rem; letter-spacing: 0.01em; }
#guideline-hub .gh__badge { font-size: 0.7rem; font-weight: 700; letter-spacing: 0.06em; padding: 0.12rem 0.5rem; border-radius: 999px; background: var(--color-paper-3, #e7e0d6); color: var(--color-ink-2, #353b42); }
#guideline-hub .gh__group-span { font-size: 0.78rem; color: var(--color-ink-3, #6c7278); font-variant-numeric: tabular-nums; margin-left: auto; }

/* ---- Timeline ---- */
#guideline-hub .gh__timeline { position: relative; }
#guideline-hub .gh__timeline::before {
  content: ""; position: absolute; top: 0.9rem; bottom: 0.9rem; left: 4.6rem;
  border-left: 2px solid var(--color-rule, #d1cdc7);
}
#guideline-hub .gh__entry {
  position: relative; display: grid; grid-template-columns: 4rem 1fr; gap: 0 1.5rem;
  padding: 0.7rem 0.6rem 0.75rem 0;
  border-radius: 12px;
  transition: background-color 120ms ease;
}
#guideline-hub .gh__entry:hover { background: rgba(255, 255, 255, 0.75); }
#guideline-hub .gh__entry::before {
  content: ""; position: absolute; top: 1.15rem; left: calc(4.6rem - 5px);
  width: 8px; height: 8px; border-radius: 50%;
  background: var(--color-paper, #fbf8f3); border: 2px solid var(--color-rule-bold, #a39e94);
}
#guideline-hub .gh__entry--latest::before { background: var(--gh-accent); border-color: var(--gh-accent); box-shadow: 0 0 0 4px var(--gh-tint); }
#guideline-hub .gh__entry--latest { background: #fff; border: 1px solid var(--color-rule, #d1cdc7); box-shadow: 0 6px 18px rgba(11, 18, 26, 0.05); padding-left: 0; }
#guideline-hub .gh__entry--latest + .gh__entry { margin-top: 0.35rem; }

#guideline-hub .gh__year { text-align: right; padding-top: 0.15rem; }
#guideline-hub .gh__year-num {
  font-family: var(--font-display, serif); font-weight: 600; font-size: 1.35rem; line-height: 1;
  letter-spacing: -0.02em; color: var(--color-ink-3, #6c7278); font-variant-numeric: tabular-nums;
}
#guideline-hub .gh__entry--latest .gh__year-num { color: var(--gh-accent-ink); font-size: 1.55rem; }

#guideline-hub .gh__body { min-width: 0; }
#guideline-hub .gh__flags { display: flex; gap: 0.35rem; margin-bottom: 0.3rem; }
#guideline-hub .gh__flag { font-size: 0.66rem; font-weight: 800; letter-spacing: 0.1em; padding: 0.15rem 0.45rem; border-radius: 999px; background: var(--gh-tint); color: var(--gh-accent-ink); }
#guideline-hub .gh__flag--new { background: var(--gh-accent); color: #fff; }
#guideline-hub .gh__flag--fast { background: #fff3c4; color: #7a4d00; }
#guideline-hub .gh__entry-title {
  display: block; font-weight: 600; font-size: 1.02rem; line-height: 1.5; color: var(--color-ink, #0b121a);
  overflow-wrap: anywhere;
}
#guideline-hub a.gh__entry-title:hover { color: var(--gh-accent-ink); }
#guideline-hub .gh__entry--latest .gh__entry-title { font-size: 1.08rem; }
#guideline-hub .gh__entry-meta { margin-top: 0.15rem; font-size: 0.82rem; color: var(--color-ink-3, #6c7278); font-family: var(--font-display, serif); font-style: italic; }
#guideline-hub .gh__entry-note { margin-top: 0.3rem; font-size: 0.88rem; line-height: 1.65; color: var(--color-ink-2, #353b42); }

#guideline-hub .gh__actions { display: flex; flex-wrap: wrap; align-items: center; gap: 0.45rem; margin-top: 0.6rem; }
#guideline-hub .gh__btn {
  display: inline-flex; align-items: center; gap: 0.3rem; min-height: 32px; padding: 0.3rem 0.8rem;
  border-radius: 999px; border: 1px solid var(--color-rule-bold, #a39e94); background: #fff;
  color: var(--color-ink, #0b121a); font-size: 0.82rem; font-weight: 600; line-height: 1;
  transition: background-color 120ms ease, border-color 120ms ease, color 120ms ease;
}
#guideline-hub .gh__btn svg { width: 13px; height: 13px; }
#guideline-hub .gh__btn:hover { border-color: var(--gh-accent); color: var(--gh-accent-ink); background: #fff; }
#guideline-hub .gh__btn--primary { background: var(--color-ink, #0b121a); border-color: var(--color-ink, #0b121a); color: #fff; }
#guideline-hub .gh__btn--primary:hover { background: var(--gh-accent-ink); border-color: var(--gh-accent-ink); color: #fff; }
#guideline-hub .gh__btn--admin { border-style: dashed; color: var(--color-ink-3, #6c7278); }
#guideline-hub .gh__btn--disabled { border-style: dashed; color: var(--color-ink-3, #6c7278); background: transparent; }

#guideline-hub .gh__empty { padding: 1.5rem 1rem; text-align: center; color: var(--color-ink-3, #6c7278); border: 1px dashed var(--color-rule-bold, #a39e94); border-radius: 12px; }
#guideline-hub.gh--filtering .gh__recent { display: none; }

/* ---- 手機 ---- */
@media (max-width: 900px) {
  #guideline-hub .gh__tiles { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}
@media (max-width: 640px) {
  #guideline-hub .gh__tiles { grid-template-columns: 1fr 1fr; gap: 0.5rem; }
  #guideline-hub .gh__tile { min-height: 0; padding: 0.8rem 0.8rem 0.7rem; }
  #guideline-hub .gh__tile-sub { display: none; }
  #guideline-hub .gh__search { padding: 0.45rem 0.6rem; }
  #guideline-hub .gh__search input { font-size: 0.98rem; }
  #guideline-hub .gh__count { display: none; }
  #guideline-hub .gh__topic-title { font-size: 1.3rem; }
  #guideline-hub .gh__group-span { margin-left: 0; width: 100%; }
  #guideline-hub .gh__timeline::before { left: 3.05rem; }
  #guideline-hub .gh__entry { grid-template-columns: 2.6rem 1fr; gap: 0 1rem; padding-right: 0.4rem; }
  #guideline-hub .gh__entry::before { left: calc(3.05rem - 5px); }
  #guideline-hub .gh__year-num { font-size: 1.05rem; }
  #guideline-hub .gh__entry--latest .gh__year-num { font-size: 1.15rem; }
  #guideline-hub .gh__entry-title, #guideline-hub .gh__entry--latest .gh__entry-title { font-size: 0.98rem; }
}
@media (prefers-reduced-motion: reduce) {
  #guideline-hub .gh__tile, #guideline-hub .gh__btn, #guideline-hub .gh__entry, #guideline-hub .gh__search { transition: none; }
  #guideline-hub .gh__tile:hover { transform: none; }
}