:root {
  --ink: #111111;
  --ink-dim: #555555;
  --ink-muted: #999999;
  --ink-ghost: #cccccc;
  --bg: #fafaf7;
  --card: #ffffff;
  --rule: #e5e5e0;
  --rule-strong: #d4d4cf;
  --accent: #d64500;
  --font-sans: Inter, -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "JetBrains Mono", "SF Mono", Consolas, monospace;
  --sp-1: 4px;
  --sp-2: 8px;
  --sp-3: 12px;
  --sp-4: 16px;
  --sp-5: 20px;
  --sp-6: 24px;
  --sp-8: 32px;
  --sp-10: 40px;
  --sp-14: 56px;
  --sp-20: 80px;
  --tx: .12s ease;
}

* { box-sizing: border-box; }
html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.7;
}
a { color: inherit; text-decoration: none; }
button, input, select { font: inherit; }
button { cursor: pointer; }
.ink-dim { color: var(--ink-dim); }
.ink-muted { color: var(--ink-muted); }
.accent { color: var(--accent); }
.text-mono { font-family: var(--font-mono); font-size: 13px; }
.text-micro {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .04em;
  text-transform: uppercase;
}
.rule-bottom { border-bottom: 1px solid var(--rule); }
.container {
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 60px;
}

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  background: var(--bg);
}
.topbar__inner {
  height: 72px;
  display: flex;
  align-items: center;
  gap: 24px;
  justify-content: space-between;
  max-width: 1440px;
  margin: 0 auto;
  padding: 0 60px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.topbar__start {
  display: flex;
  align-items: center;
  gap: 20px;
  min-width: 0;
}
.brand__mark {
  width: 14px;
  height: 14px;
  background: var(--ink);
}
.brand__text {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.01em;
}
.topbar__actions {
  display: flex;
  align-items: center;
  gap: 14px;
  min-width: 0;
}
.bili-profile {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  min-width: 0;
  padding: 4px 0;
  color: var(--ink);
}
.bili-profile__avatar {
  display: block;
  width: 40px;
  height: 40px;
  object-fit: cover;
  border: 1px solid var(--rule-strong);
  border-radius: 50%;
  background: var(--card);
}
.bili-profile__name {
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}
.follow-button {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 14px;
  border: 1px solid var(--ink);
  background: var(--ink);
  color: var(--bg);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
  transition: background var(--tx), color var(--tx);
}
.follow-button:hover {
  background: var(--accent);
  border-color: var(--accent);
}
.database-link {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 0 4px;
  color: var(--ink-dim);
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.database-link:hover,
.database-link.is-active { color: var(--accent); }
.search-trigger {
  flex: 1;
  max-width: 560px;
  height: 44px;
  display: flex;
  align-items: center;
  gap: 12px;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink-muted);
  padding: 0 14px;
  text-align: left;
}
.search-trigger--link { cursor: pointer; }
.search-trigger:hover { border-color: var(--ink); }
.search-trigger kbd {
  margin-left: auto;
  border: 1px solid var(--rule);
  background: var(--bg);
  padding: 1px 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-muted);
}
.search-trigger__icon { font-size: 20px; line-height: 1; }
.nav {
  display: flex;
  gap: 24px;
  color: var(--ink-dim);
  font-size: 14px;
  white-space: nowrap;
}
.nav a:hover, .nav .is-active { color: var(--ink); }
.nav span { color: var(--ink-ghost); }

.hero { padding: 56px 0 40px; }
.hero h1 {
  margin: 12px 0 16px;
  font-size: 56px;
  line-height: 1.1;
  letter-spacing: -.02em;
}
.hero__sub {
  max-width: 720px;
  margin: 0;
}

.home-hero {
  padding: 74px 0 58px;
}
.home-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 420px;
  gap: 72px;
  align-items: center;
}
.home-hero__intro h1 {
  max-width: 760px;
  margin: 16px 0 20px;
  font-size: clamp(48px, 6.4vw, 92px);
  line-height: .98;
  letter-spacing: -.055em;
}
.home-hero__intro h1 span {
  display: block;
  color: var(--accent);
}
.home-hero__sub {
  max-width: 720px;
  margin: 0;
  font-size: 17px;
}
.home-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}
.hero-button {
  display: inline-flex;
  align-items: center;
  min-height: 48px;
  padding: 0 20px;
  border: 1px solid var(--ink);
  background: transparent;
  color: var(--ink);
  font-weight: 700;
  transition: background var(--tx), color var(--tx), border-color var(--tx);
}
.hero-button--primary,
.hero-button:hover {
  background: var(--ink);
  color: var(--bg);
}
.hero-button--primary:hover {
  border-color: var(--accent);
  background: var(--accent);
}
.home-panel {
  display: grid;
  gap: 28px;
}
.stat-block__badge {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0 0 2px;
  padding-bottom: 20px;
  border-bottom: 2px solid var(--ink);
  font-size: clamp(28px, 3.4vw, 38px);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.06em;
  color: var(--ink);
}
.stat-block__badge::before {
  content: "";
  width: 12px;
  height: 12px;
  background: var(--accent);
  flex-shrink: 0;
}
.stat-list {
  margin: 0;
  display: grid;
  gap: 0;
}
.stat-list div {
  display: grid;
  grid-template-columns: 1fr auto;
  align-items: baseline;
  gap: 20px;
  padding: 13px 0;
  border-bottom: 1px solid var(--rule);
}
.stat-list dt {
  color: var(--ink-dim);
  font-size: 16px;
  font-weight: 600;
}
.stat-list dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 800;
}
.recommend-card {
  padding: 22px;
  border: 1px solid var(--rule);
  background: var(--card);
  display: grid;
  gap: 14px;
}
.recommend-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.recommend-card__refresh {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 0;
  background: transparent;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 600;
}
.recommend-card__refresh-icon {
  font-size: 14px;
  line-height: 1;
}
.recommend-card__refresh:hover { color: var(--accent); }
.recommend-card__body {
  display: grid;
  gap: 8px;
  min-height: 148px;
}
.recommend-card__body strong {
  font-size: 17px;
  line-height: 1.45;
}
.recommend-card__body:hover strong,
.recommend-card__body:hover .recommend-card__more { color: var(--accent); }
.recommend-card__body p {
  display: -webkit-box;
  margin: 0;
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.8;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
  overflow: hidden;
}
.recommend-card__more {
  font-size: 13px;
  font-weight: 650;
}
.recommend-card__nav {
  display: grid;
  grid-template-columns: 36px 1fr 36px;
  align-items: center;
  gap: 12px;
  padding-top: 4px;
}
.recommend-card__arrow {
  width: 36px;
  height: 36px;
  border: 1px solid var(--rule-strong);
  background: var(--bg);
  color: var(--ink-dim);
  font-size: 22px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: border-color var(--tx), color var(--tx);
}
.recommend-card__arrow:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.recommend-card__dots {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.recommend-card__dot {
  width: 8px;
  height: 8px;
  padding: 0;
  border: 0;
  border-radius: 50%;
  background: rgba(17, 17, 17, .16);
  transition: background var(--tx), transform var(--tx);
}
.recommend-card__dot.is-active {
  background: var(--accent);
  transform: scale(1.15);
}
.database-heading {
  scroll-margin-top: 72px;
  padding: 32px 0 24px;
}
.database-heading__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}
.database-heading h2 {
  margin: 6px 0 0;
  font-size: 32px;
  line-height: 1.15;
}
.database-heading p {
  max-width: 420px;
  margin: 0;
  text-align: right;
}

.filters {
  padding: 20px 0;
}
.filters__row {
  display: grid;
  grid-template-columns: minmax(280px, 1fr) 160px 190px 190px 220px;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 12px;
  height: 44px;
  background: var(--card);
  border: 1px solid var(--rule);
  padding: 0 16px;
  color: var(--ink-muted);
}
.search-box input {
  flex: 1;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--ink);
}
.select {
  min-width: 0;
  height: 44px;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink);
  padding: 0 14px;
}
.search-box:hover, .search-box:focus-within, .select:hover { border-color: var(--rule-strong); }

.table-section { padding: 20px 0 80px; }
.table-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-bottom: 14px;
  color: var(--ink-muted);
}
.table-meta button {
  border: 0;
  background: transparent;
  color: var(--accent);
}
.case-table__head, .case-row {
  display: grid;
  grid-template-columns: 56px 2.2fr 128px 1.15fr 1.15fr 1.6fr 88px;
  gap: 18px;
  align-items: center;
}
.case-table__head {
  padding: 14px 8px;
  border-bottom: 2px solid var(--ink);
}
.case-row {
  min-height: 72px;
  padding: 14px 8px;
  border-bottom: 1px solid var(--rule);
  transition: background var(--tx);
}
.case-row:hover { background: var(--card); }
.load-more {
  display: block;
  width: 100%;
  margin-top: 20px;
  padding: 15px 20px;
  border: 1px solid var(--rule-strong);
  background: transparent;
  color: var(--ink-dim);
  font-family: var(--font-mono);
  font-size: 12px;
  transition: color var(--tx), border-color var(--tx), background var(--tx);
}
.load-more:hover { border-color: var(--ink); background: var(--card); color: var(--ink); }
.load-more[hidden] { display: none; }
.case-row__num { color: var(--ink-muted); }
.case-row__title {
  min-width: 0;
  font-size: 16px;
  font-weight: 650;
  line-height: 1.35;
}
.case-row__title small {
  display: block;
  margin-top: 3px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chip-line {
  color: var(--ink-dim);
  font-size: 13px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.chip-line .dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  margin-right: 7px;
  background: var(--accent);
}
.duration { color: var(--ink-muted); }

.breadcrumb__inner {
  min-height: 56px;
  display: flex;
  align-items: center;
  gap: 12px;
}
.breadcrumb a { color: var(--ink-muted); }
.breadcrumb a:hover { color: var(--accent); }
.breadcrumb__meta {
  margin-left: auto;
  display: flex;
  gap: 16px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 320px minmax(0, 760px) 320px;
  gap: 0;
  max-width: 1440px;
  margin: 0 auto;
}
.detail-left, .detail-right {
  padding: 32px 24px;
  border-right: 1px solid var(--rule);
}
.detail-right {
  border-right: 0;
  border-left: 1px solid var(--rule);
}
.detail-main {
  padding: 48px 56px 80px;
}
.side-title {
  margin-bottom: 18px;
  font-weight: 650;
}
.side-title--spaced { margin-top: 32px; }
.side-list {
  list-style: none;
  padding: 0;
  margin: 0;
}
.side-list a {
  display: block;
  padding: 7px 10px;
  color: var(--ink-dim);
  line-height: 1.45;
}
.side-list__ord {
  display: block;
  margin-bottom: 2px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
}
.side-list li.is-active a {
  color: var(--ink);
  background: var(--card);
  font-weight: 700;
}
.side-list a:hover { color: var(--accent); }
.side-list__hint {
  display: block;
  margin-top: 2px;
  color: var(--ink-muted);
  font-size: 11px;
  font-weight: 500;
}

.detail-title {
  margin: 10px 0 4px;
  font-size: 56px;
  line-height: 1.1;
  letter-spacing: -.02em;
}
.detail-subtitle { margin-bottom: 32px; }
.case-video {
  margin: 28px 0 32px;
  padding: 20px 0 28px;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.case-video__label {
  margin-bottom: 14px;
}
.case-video__frame {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: 1px solid var(--rule);
  background: #000;
}
.lede {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 24px;
  margin: 32px 0;
  padding: 28px 0;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.lede__label {
  font-weight: 700;
}
.lede__body p {
  margin: 0;
  font-size: 20px;
  line-height: 1.65;
  font-weight: 500;
}
.prose section {
  padding-top: 32px;
  margin-top: 32px;
  border-top: 1px solid var(--rule);
}
.prose h2 {
  margin: 0 0 18px;
  color: var(--accent);
  font-size: 24px;
  font-weight: 700;
  line-height: 1.35;
}
.prose p { margin: 0 0 18px; }
.prose ul {
  margin: 0 0 18px;
  padding-left: 18px;
}
.prose li { margin-bottom: 8px; }
.prose blockquote {
  margin: 0 0 16px;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--accent);
  color: var(--ink-dim);
}
.prose strong { font-weight: 750; }
.info-list {
  margin: 0;
  display: grid;
  gap: 12px;
}
.info-list div {
  display: grid;
  grid-template-columns: 74px 1fr;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--rule);
}
.info-list dt { color: var(--ink-muted); }
.info-list dd { margin: 0; color: var(--ink); }
.tag-cloud {
  display: grid;
  gap: 18px;
}
.tag-group {
  display: grid;
  gap: 8px;
}
.tag-group__title {
  margin: 0;
  color: var(--ink-muted);
  font-size: 12px;
  font-weight: 650;
}
.tag-group__items {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  max-width: 100%;
  padding: 4px 8px;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink-dim);
  font-size: 12px;
}
.tag[data-kind="issue"] { color: var(--accent); }
.tag--link {
  transition: border-color var(--tx), color var(--tx), background var(--tx);
}
.tag--link:hover {
  border-color: var(--accent);
  background: var(--bg);
  color: var(--accent);
}

.raw-toolbar {
  display: flex;
  gap: 12px;
  margin: 28px 0 8px;
  padding: 16px 0;
  border-top: 3px solid var(--ink);
}
.raw-action {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 6px 12px;
  border: 1px solid var(--rule);
  background: var(--card);
  color: var(--ink-dim);
  font-size: 13px;
}
.raw-action:hover {
  border-color: var(--accent);
  color: var(--accent);
}
.raw-action.is-disabled {
  pointer-events: none;
  color: var(--ink-muted);
}
.transcript-list {
  display: grid;
  gap: 0;
}
.transcript-cue {
  display: grid;
  grid-template-columns: 136px 1fr;
  gap: 28px;
  padding: 22px 0;
  border-bottom: 1px solid var(--rule);
}
.transcript-cue:hover {
  background: linear-gradient(90deg, rgba(214, 69, 0, .06), transparent 65%);
}
.transcript-cue__meta {
  display: grid;
  align-content: start;
  gap: 4px;
  color: var(--ink-muted);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.45;
}
.transcript-cue__num {
  color: var(--accent);
  font-weight: 700;
  letter-spacing: .04em;
}
.transcript-cue__text {
  margin: 0;
  color: var(--ink);
  font-size: 18px;
  line-height: 1.85;
}
.raw-note {
  margin: 0;
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.8;
}
.empty-state {
  padding: 28px 0;
  color: var(--ink-muted);
  border-top: 1px solid var(--rule);
}

/* Home framework */
.home-framework {
  scroll-margin-top: 72px;
  padding: 84px 0 0;
  background:
    linear-gradient(110deg, rgba(214, 69, 0, .035), transparent 42%),
    var(--bg);
}
.framework-head {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(320px, .8fr);
  gap: 72px;
  align-items: end;
  padding-bottom: 44px;
  border-bottom: 3px solid var(--ink);
}
.framework-head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(42px, 5vw, 72px);
  font-weight: 700;
  line-height: 1.08;
  letter-spacing: -.045em;
}
.framework-head__lead {
  margin: 0;
  max-width: 540px;
  font-size: 17px;
  line-height: 1.9;
}
.framework-source {
  position: relative;
  margin-top: 10px;
  padding: 42px 0 46px;
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.framework-source__note {
  display: grid;
  grid-template-columns: minmax(150px, .24fr) minmax(0, .76fr);
  gap: 52px;
  align-items: start;
  max-width: 1160px;
}
.framework-source__eyebrow {
  display: block;
  position: sticky;
  top: 96px;
  padding-top: 4px;
  line-height: 1.7;
}
.framework-source__copy {
  max-width: 840px;
}
.framework-source__note p {
  margin: 0 0 14px;
  color: var(--ink-dim);
  font-size: 18px;
  line-height: 1.95;
  letter-spacing: .01em;
}
.framework-source__note .framework-source__lead {
  color: var(--ink);
  font-family: var(--font-display);
  font-size: clamp(24px, 2.4vw, 34px);
  font-weight: 700;
  line-height: 1.45;
}
.framework-source__note a,
.framework-who__link,
.framework-foot a {
  display: inline-block;
  margin-top: 12px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}
.framework-source__link {
  grid-column: 2;
  width: fit-content;
  padding-top: 6px;
  border-top: 1px solid var(--accent);
}
.framework-main {
  display: grid;
  grid-template-columns: minmax(300px, .78fr) minmax(0, 1.22fr);
  border-bottom: 3px solid var(--ink);
}
.framework-who {
  padding: 56px 64px 56px 0;
  border-right: 1px solid var(--rule);
}
.framework-index { display: block; margin-bottom: 28px; }
.framework-who h3 {
  margin: 0 0 28px;
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.25;
}
.framework-who p {
  margin: 0 0 16px;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.85;
}
.framework-who strong { color: var(--ink); font-weight: 700; }
.framework-who__link {
  margin-top: 16px;
  padding-top: 6px;
  border-top: 1px solid var(--accent);
}
.framework-principles { padding: 56px 0 56px 64px; }
.framework-principles__head {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 24px;
  margin-bottom: 26px;
}
.framework-principles__title {
  max-width: 420px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(28px, 3vw, 40px);
  line-height: 1.2;
}
.framework-principles ol { margin: 0; padding: 0; list-style: none; }
.framework-principles li {
  display: grid;
  grid-template-columns: 48px 1fr;
  gap: 20px;
  align-items: baseline;
  padding: 19px 0;
  border-top: 1px solid var(--rule);
}
.framework-principles li:first-child { border-top: 2px solid var(--ink); }
.framework-principles li span {
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 12px;
}
.framework-principles li strong {
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.45;
}
.framework-foot {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 180px;
  gap: 40px;
  align-items: start;
  padding: 32px 0 40px;
}
.framework-foot strong { font-family: var(--font-display); font-size: 20px; }
.framework-foot p { margin: 0; color: var(--ink-dim); font-size: 14px; line-height: 1.8; }
.framework-foot a { margin: 0; text-align: right; }
.framework-library { scroll-margin-top: 72px; padding: 64px 0 0; }
.framework-library__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(280px, 440px);
  gap: 48px;
  align-items: end;
  padding-bottom: 28px;
  border-bottom: 3px solid var(--ink);
}
.framework-library__head h3 {
  margin: 8px 0 0;
  font-family: var(--font-display);
  font-size: 36px;
  line-height: 1.2;
}
.framework-library__head p { margin: 0; text-align: right; line-height: 1.75; }
.framework-chapter { border-bottom: 1px solid var(--rule); }
.framework-chapter summary {
  display: grid;
  grid-template-columns: 52px minmax(190px, .7fr) minmax(280px, 1.3fr) 32px;
  gap: 24px;
  align-items: center;
  min-height: 94px;
  padding: 22px 8px;
  cursor: pointer;
  list-style: none;
  transition: color var(--tx), background var(--tx);
}
.framework-chapter summary::-webkit-details-marker { display: none; }
.framework-chapter summary:hover { color: var(--accent); background: rgba(255, 255, 255, .22); }
.framework-chapter__num { color: var(--accent); font-family: var(--font-mono); font-size: 13px; }
.framework-chapter__title { font-family: var(--font-display); font-size: 23px; font-weight: 700; }
.framework-chapter__summary { color: var(--ink-dim); font-size: 15px; line-height: 1.7; }
.framework-chapter__toggle {
  position: relative;
  width: 24px;
  height: 24px;
  justify-self: end;
}
.framework-chapter__toggle::before,
.framework-chapter__toggle::after {
  content: "";
  position: absolute;
  top: 11px;
  left: 4px;
  width: 16px;
  height: 1px;
  background: currentColor;
  transition: transform var(--tx);
}
.framework-chapter__toggle::after { transform: rotate(90deg); }
.framework-chapter[open] { background: rgba(255, 255, 255, .2); }
.framework-chapter[open] summary { color: var(--accent); border-bottom: 1px solid var(--rule); }
.framework-chapter[open] .framework-chapter__toggle::after { transform: rotate(0); }
.framework-chapter__body { padding: 40px 60px 48px 84px; }
.framework-chapter__lead {
  max-width: 780px;
  margin: 0 0 28px;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.85;
}
.framework-chapter__lead--full { grid-column: 1 / -1; }
.framework-chapter__context {
  max-width: 880px;
  margin: 26px 0 0;
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.85;
}
.framework-chapter__points {
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.framework-chapter__points--four { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.framework-chapter__points > div { padding: 24px; border-right: 1px solid var(--rule); }
.framework-chapter__points > div:last-child { border-right: 0; }
.framework-chapter__points b {
  display: block;
  margin-bottom: 18px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}
.framework-chapter__points strong { display: block; font-family: var(--font-display); font-size: 18px; line-height: 1.4; }
.framework-chapter__points p { margin: 12px 0 0; color: var(--ink-muted); font-size: 13px; line-height: 1.7; }
.framework-numbered-list { max-width: 920px; margin: 0; padding: 0; list-style: none; counter-reset: chapter-point; }
.framework-numbered-list li {
  display: grid;
  grid-template-columns: minmax(220px, .8fr) minmax(280px, 1.2fr);
  gap: 36px;
  padding: 18px 0;
  border-top: 1px solid var(--rule);
  counter-increment: chapter-point;
}
.framework-numbered-list li:first-child { border-top: 2px solid var(--ink); }
.framework-numbered-list b { font-family: var(--font-display); font-size: 17px; }
.framework-numbered-list span { color: var(--ink-muted); font-size: 14px; line-height: 1.65; }
.framework-legs { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); border-top: 2px solid var(--ink); }
.framework-legs div { min-height: 180px; padding: 26px; border-right: 1px solid var(--rule); border-bottom: 1px solid var(--rule); }
.framework-legs div:last-child { border-right: 0; }
.framework-legs span { display: block; margin-bottom: 36px; color: var(--accent); font-family: var(--font-mono); font-size: 11px; }
.framework-legs strong { display: block; font-family: var(--font-display); font-size: 20px; }
.framework-legs p { margin: 12px 0 0; color: var(--ink-muted); font-size: 13px; }
.framework-chapter blockquote {
  margin: 28px 0 0;
  padding: 4px 0 4px 18px;
  border-left: 3px solid var(--accent);
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.65;
}
.framework-chapter__body--split { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0; }
.framework-chapter__body--split > div { padding: 24px; border-top: 2px solid var(--ink); border-bottom: 1px solid var(--rule); }
.framework-chapter__body--split > div:first-child { border-right: 1px solid var(--rule); }
.framework-chapter__body--split strong { font-family: var(--font-display); font-size: 20px; }
.framework-chapter__body--split p { margin: 10px 0 0; color: var(--ink-muted); font-size: 14px; line-height: 1.7; }
.framework-chapter__body--split blockquote { grid-column: 1 / -1; }
.framework-chapter__statement { max-width: 820px; margin: 0; font-family: var(--font-display); font-size: 21px; line-height: 1.8; }
.framework-chapter__notice { max-width: 820px; margin: 24px 0 0; color: var(--ink-muted); font-size: 12px; line-height: 1.7; }
.framework-chapter__contrast {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 920px;
  margin-top: 28px;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.framework-chapter__contrast > div { padding: 24px; }
.framework-chapter__contrast > div:first-child { border-right: 1px solid var(--rule); }
.framework-chapter__contrast b {
  display: block;
  margin-bottom: 14px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 11px;
}
.framework-chapter__contrast strong { display: block; font-family: var(--font-display); font-size: 18px; }
.framework-chapter__contrast p { margin: 10px 0 0; color: var(--ink-muted); font-size: 13px; line-height: 1.7; }
.framework-chapter__signals {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  max-width: 920px;
  margin: 0 0 28px;
  border-top: 2px solid var(--ink);
}
.framework-chapter__signals span {
  padding: 16px 18px;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  color: var(--ink-dim);
  font-size: 13px;
  line-height: 1.6;
}
.framework-chapter__signals span:nth-child(2n) { border-right: 0; }
.framework-chapter__signals span::before {
  content: "◆";
  margin-right: 10px;
  color: var(--accent);
  font-size: 8px;
}

/* Home issue catalog */
.home-topics {
  scroll-margin-top: 72px;
  padding: 56px 0 72px;
}
.home-topics__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 420px);
  gap: 32px;
  align-items: end;
  margin-bottom: 36px;
}
.home-topics__head h2 {
  margin: 8px 0 0;
  font-size: 32px;
  line-height: 1.15;
  letter-spacing: -.02em;
}
.home-topics__intro {
  margin: 0;
  text-align: right;
}
.issue-section-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  border-top: 2px solid var(--ink);
}
.issue-catalog {
  border-top: 2px solid var(--ink);
}
.issue-catalog-row {
  display: grid;
  grid-template-columns: 56px minmax(0, 1fr) 72px 28px;
  gap: 24px;
  align-items: start;
  padding: 28px 8px;
  border-bottom: 1px solid var(--rule);
  transition: background var(--tx);
}
.issue-catalog-row:hover {
  background: var(--card);
}
.issue-catalog-row:hover .issue-catalog-row__arrow { color: var(--accent); }
.issue-catalog-row__index {
  padding-top: 6px;
  font-size: 13px;
}
.issue-catalog-row__body strong {
  display: block;
  margin-bottom: 8px;
  font-size: 22px;
  line-height: 1.25;
}
.issue-catalog-row__body p {
  margin: 0 0 12px;
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.65;
}
.issue-catalog-row__topics {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 0;
  margin-bottom: 10px;
  font-size: 13px;
  line-height: 1.6;
}
.catalog-dots {
  display: inline-block;
  width: 28px;
  margin: 0 10px;
  border-bottom: 1px dotted var(--ink-ghost);
  transform: translateY(-3px);
}
.issue-catalog-row__meta {
  font-size: 12px;
}
.issue-catalog-row__count {
  padding-top: 4px;
  font-size: 42px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -.04em;
  text-align: right;
}
.issue-catalog-row__arrow {
  padding-top: 10px;
  font-size: 20px;
  font-weight: 700;
}
.issue-section-card {
  display: grid;
  grid-template-columns: 48px 1fr auto;
  gap: 20px;
  align-items: start;
  padding: 28px 24px;
  border-bottom: 1px solid var(--rule);
  border-right: 1px solid var(--rule);
  background: transparent;
  transition: background var(--tx);
}
.issue-section-card:nth-child(2n) { border-right: 0; }
.issue-section-card:hover {
  background: var(--card);
}
.issue-section-card:hover .issue-section-card__arrow { color: var(--accent); }
.issue-section-card__index {
  padding-top: 4px;
  font-size: 13px;
}
.issue-section-card__body strong {
  display: block;
  margin-bottom: 8px;
  font-size: 20px;
  line-height: 1.3;
}
.issue-section-card__body p {
  margin: 0 0 12px;
  color: var(--ink-dim);
  font-size: 14px;
  line-height: 1.65;
}
.issue-section-card__meta {
  font-size: 12px;
}
.issue-section-card__arrow {
  padding-top: 6px;
  font-size: 20px;
  font-weight: 700;
  transition: color var(--tx);
}

/* Issue detail page */
.issue-hero {
  padding: 40px 0 36px;
}
.issue-hero__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
}
.issue-hero__title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 10px 0 12px;
  font-size: clamp(36px, 4.8vw, 56px);
  line-height: 1.05;
  letter-spacing: -.03em;
}
.issue-hero__mark {
  width: 14px;
  height: 14px;
  background: var(--accent);
  flex-shrink: 0;
}
.issue-hero__desc {
  max-width: 640px;
  margin: 0;
  font-size: 16px;
}
.issue-hero__stat {
  display: grid;
  gap: 4px;
  text-align: right;
}
.issue-hero__stat strong {
  font-family: var(--font-mono);
  font-size: 48px;
  line-height: 1;
  letter-spacing: -.04em;
}
.issue-topics {
  padding: 40px 0 80px;
}
.issue-topics__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 420px);
  gap: 32px;
  align-items: end;
  margin-bottom: 28px;
}
.issue-topics__head h2 {
  margin: 8px 0 0;
  font-size: 28px;
  line-height: 1.15;
}
.issue-topics__hint {
  margin: 0;
  text-align: right;
}
.topic-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.topic-catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
}
.topic-catalog-card {
  display: grid;
  gap: 10px;
  min-height: 180px;
  padding: 24px;
  border: 1px solid var(--rule);
  background: var(--card);
  transition: border-color var(--tx), transform var(--tx);
}
.topic-catalog-card:hover {
  border-color: var(--accent);
}
.topic-catalog-card__head {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}
.topic-catalog-card__head strong {
  font-size: 20px;
  line-height: 1.35;
}
.topic-catalog-card__count {
  color: var(--ink-muted);
  font-size: 14px;
}
.topic-catalog-card__tags {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
}
.topic-catalog-card__desc {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
}
.topic-catalog-card__more {
  margin-top: auto;
  font-size: 13px;
  font-weight: 650;
}
.topic-catalog-card:hover .topic-catalog-card__more,
.topic-catalog-card:hover .topic-catalog-card__head strong { color: var(--accent); }

/* Topic detail page */
.topic-hero {
  padding: 36px 0 0;
}
.topic-hero__inner {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 32px;
  padding-bottom: 24px;
}
.topic-hero__title {
  display: flex;
  align-items: center;
  gap: 16px;
  margin: 10px 0 12px;
  font-size: clamp(40px, 5vw, 64px);
  line-height: 1.02;
  letter-spacing: -.04em;
}
.topic-hero__mark {
  width: 14px;
  height: 14px;
  background: var(--accent);
  flex-shrink: 0;
}
.topic-hero__desc {
  max-width: 640px;
  margin: 0;
  font-size: 16px;
}
.topic-hero__stat {
  display: grid;
  gap: 4px;
  text-align: right;
}
.topic-hero__stat strong {
  font-family: var(--font-mono);
  font-size: 48px;
  line-height: 1;
  letter-spacing: -.04em;
}
.topic-hero__meta-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 16px 0 28px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
}
.topic-hero__jump {
  font-size: 13px;
  font-weight: 650;
  white-space: nowrap;
}
.topic-views {
  padding: 48px 0 56px;
  background: var(--card);
  border-top: 3px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.topic-views__inner {
  max-width: 760px;
}
.topic-views__label {
  margin-bottom: 28px;
}
.topic-insights {
  display: grid;
  gap: 28px;
}
.topic-insight h3 {
  margin: 0 0 10px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
  font-size: 18px;
  line-height: 1.45;
}
.topic-insight p {
  margin: 0 0 10px;
  color: var(--ink-dim);
  font-size: 16px;
  line-height: 1.75;
}
.topic-insight__source {
  font-size: 12px;
}
.topic-insight__source:hover { color: var(--accent); }
.topic-insights__empty {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
}
.topic-quotes__block {
  margin-top: 36px;
  padding-top: 28px;
  border-top: 1px solid var(--rule);
  display: grid;
  gap: 16px;
}
.topic-quote {
  margin: 0;
  padding: 0 0 0 18px;
  border-left: 3px solid var(--accent);
}
.topic-quote p {
  margin: 0 0 8px;
  color: var(--ink);
  font-size: 17px;
  line-height: 1.7;
  font-weight: 500;
}
.topic-quote footer {
  font-size: 12px;
}
.topic-quote footer a {
  color: var(--ink-muted);
}
.topic-quote footer a:hover { color: var(--accent); }
.topic-cases {
  padding: 48px 0 80px;
}
.topic-cases__head {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(240px, 360px);
  gap: 24px;
  align-items: end;
  margin-bottom: 20px;
}
.topic-cases__head h2 {
  margin: 8px 0 0;
  font-size: 28px;
  line-height: 1.15;
}
.topic-cases__hint {
  margin: 0;
  text-align: right;
  font-size: 14px;
}
.topic-cases__database-link {
  color: var(--accent);
  font-size: 12px;
}
.rule-top {
  border-top: 1px solid var(--rule);
}
.topic-card {
  display: grid;
  gap: 10px;
  min-height: 148px;
  padding: 22px;
  border: 1px solid var(--rule);
  background: var(--card);
  transition: border-color var(--tx), background var(--tx);
}
.topic-card:hover {
  border-color: var(--accent);
}
.topic-card__top {
  display: flex;
  align-items: start;
  justify-content: space-between;
  gap: 12px;
}
.topic-card__top strong {
  font-size: 17px;
  line-height: 1.4;
}
.topic-card__count {
  color: var(--ink-muted);
  font-size: 13px;
  white-space: nowrap;
}
.topic-card__tags {
  margin: 0;
  font-size: 12px;
  line-height: 1.6;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
}
.topic-card__more {
  margin-top: auto;
  font-size: 13px;
  font-weight: 650;
}
.topic-card:hover .topic-card__more,
.topic-card:hover .topic-card__top strong { color: var(--accent); }

/* Database topic filter banner */
.topic-filter-banner {
  padding: 18px 0;
  background: var(--card);
}
.topic-filter-banner__inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.topic-filter-banner__label {
  margin: 4px 0 0;
  font-size: 18px;
  line-height: 1.4;
}
.topic-filter-banner__back {
  color: var(--ink-dim);
  font-size: 14px;
  font-weight: 650;
  white-space: nowrap;
}
.topic-filter-banner__back:hover { color: var(--accent); }

.site-disclaimer {
  padding: 36px 0 48px;
  border-top: 1px solid var(--rule);
  background: var(--bg);
}
.site-disclaimer__inner {
  max-width: none;
  margin: 0 auto;
  text-align: center;
}
.site-disclaimer p {
  margin: 0;
  color: var(--accent);
  font-size: 12px;
  line-height: 1.8;
  white-space: nowrap;
}
.site-disclaimer p + p {
  margin-top: 6px;
}

@media (max-width: 1100px) {
  .bili-profile__name { display: none; }
  .framework-head { grid-template-columns: 1fr; gap: 24px; }
  .framework-head__lead { max-width: 720px; }
  .framework-source__note { grid-template-columns: minmax(120px, .24fr) minmax(0, .76fr); gap: 32px; }
  .framework-main { grid-template-columns: 1fr; }
  .framework-who { padding-right: 0; border-right: 0; border-bottom: 1px solid var(--rule); }
  .framework-principles { padding-left: 0; }
  .framework-chapter summary { grid-template-columns: 44px minmax(180px, .65fr) minmax(240px, 1.35fr) 28px; gap: 16px; }
  .framework-chapter__body { padding-left: 60px; padding-right: 0; }
  .framework-chapter__points--four { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .framework-chapter__points > div:nth-child(2) { border-right: 0; }
  .framework-chapter__points > div:nth-child(-n+2) { border-bottom: 1px solid var(--rule); }
  .home-hero__grid {
    grid-template-columns: 1fr;
    gap: 42px;
  }
  .home-panel {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
  .filters__row { grid-template-columns: 1fr 1fr; }
  .case-table__head { display: none; }
  .case-row {
    grid-template-columns: 48px 1fr;
  }
  .case-row > :nth-child(n+3) { display: none; }
  .detail-layout { grid-template-columns: 1fr; }
  .detail-main { order: 1; }
  .detail-right { order: 2; }
  .detail-left { order: 3; }
  .detail-left, .detail-right {
    border: 0;
    border-bottom: 1px solid var(--rule);
  }
  .transcript-cue { grid-template-columns: 1fr; gap: 8px; }
  .home-topics__head,
  .issue-topics__head,
  .issue-hero__inner {
    grid-template-columns: 1fr;
    display: grid;
    gap: 12px;
  }
  .home-topics__intro,
  .issue-topics__hint {
    text-align: left;
  }
  .issue-hero__stat {
    text-align: left;
  }
  .issue-section-grid { grid-template-columns: 1fr; }
  .issue-section-card { border-right: 0; }
  .issue-catalog-row {
    grid-template-columns: 40px 1fr;
    gap: 16px;
  }
  .issue-catalog-row__count,
  .issue-catalog-row__arrow { display: none; }
  .topic-grid,
  .topic-catalog-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .topic-cases__head,
  .topic-hero__inner {
    display: grid;
    gap: 12px;
  }
  .topic-cases__hint,
  .topic-hero__stat {
    text-align: left;
  }
  .topic-hero__meta-row {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (max-width: 700px) {
  .container, .topbar__inner { padding: 0 16px; }
  .topbar__inner { gap: 12px; }
  .topbar__start { gap: 10px; }
  .brand__text { display: none; }
  .topbar__actions { display: none; }
  .database-link { padding: 0 2px; font-size: 12px; }
  .bili-profile { display: none; }
  .home-framework { scroll-margin-top: 56px; padding-top: 54px; }
  .framework-head { padding-bottom: 30px; }
  .framework-head h2 { font-size: 39px; }
  .framework-head__lead { font-size: 15px; line-height: 1.8; }
  .framework-source { padding: 32px 0 36px; }
  .framework-source__note { grid-template-columns: 1fr; gap: 18px; }
  .framework-source__eyebrow { position: static; }
  .framework-source__note p { font-size: 15px; }
  .framework-source__note .framework-source__lead { font-size: 24px; }
  .framework-source__link { grid-column: auto; }
  .framework-who { padding: 40px 0 32px; }
  .framework-who h3 { font-size: 30px; }
  .framework-principles { padding: 40px 0; }
  .framework-principles__head { margin-bottom: 4px; }
  .framework-principles li { grid-template-columns: 30px 1fr; gap: 10px; }
  .framework-principles li strong { font-size: 18px; }
  .framework-foot { grid-template-columns: 1fr; gap: 14px; }
  .framework-foot a { text-align: left; }
  .framework-library { padding-top: 44px; }
  .framework-library { scroll-margin-top: 56px; }
  .framework-library__head { grid-template-columns: 1fr; gap: 10px; }
  .framework-library__head h3 { font-size: 30px; }
  .framework-library__head p { text-align: left; font-size: 15px; }
  .framework-chapter summary {
    grid-template-columns: 28px 1fr 24px;
    gap: 10px;
    min-height: 86px;
    padding: 18px 0;
  }
  .framework-chapter__title { font-size: 20px; }
  .framework-chapter__summary { grid-column: 2 / 4; font-size: 14px; }
  .framework-chapter__toggle { grid-column: 3; grid-row: 1; }
  .framework-chapter__body { padding: 28px 0 36px; }
  .framework-chapter__lead { font-size: 15px; }
  .framework-chapter__points--four,
  .framework-legs,
  .framework-chapter__body--split { grid-template-columns: 1fr; }
  .framework-chapter__points > div,
  .framework-chapter__points > div:nth-child(2),
  .framework-legs div,
  .framework-chapter__body--split > div:first-child {
    border-right: 0;
    border-bottom: 1px solid var(--rule);
  }
  .framework-legs div { min-height: 0; }
  .framework-legs span { margin-bottom: 18px; }
  .framework-numbered-list li { grid-template-columns: 1fr; gap: 8px; }
  .framework-chapter__body--split blockquote { grid-column: auto; }
  .framework-chapter__lead--full { grid-column: auto; }
  .framework-chapter__contrast,
  .framework-chapter__signals { grid-template-columns: 1fr; }
  .framework-chapter__contrast > div:first-child,
  .framework-chapter__signals span { border-right: 0; }
  .framework-chapter blockquote,
  .framework-chapter__statement { font-size: 18px; }
  .home-hero { padding: 48px 0 36px; }
  .home-hero__intro h1 { font-size: 44px; }
  .home-hero__sub { font-size: 15px; }
  .stat-block__badge { font-size: 26px; padding-bottom: 16px; }
  .home-panel { grid-template-columns: 1fr; }
  .database-heading__inner {
    display: grid;
    gap: 12px;
  }
  .database-heading p { text-align: left; }
  .hero h1, .detail-title { font-size: 36px; }
  .filters__row { grid-template-columns: 1fr; }
  .detail-main { padding: 32px 20px 64px; }
  .lede { grid-template-columns: 1fr; gap: 8px; }
  .topic-grid,
  .topic-catalog-grid { grid-template-columns: 1fr; }
  .topic-filter-banner__inner {
    display: grid;
    gap: 12px;
  }
  .site-disclaimer p {
    white-space: normal;
  }
}

/* Editorial issue index */
:root {
  --bg: #f3efe6;
  --card: #fbf8f1;
  --ink: #181713;
  --ink-dim: #625d53;
  --ink-muted: #7d7569;
  --rule: #d8d0c3;
  --accent: #d64a1d;
  --font-display: "Songti SC", "STSong", "Noto Serif CJK SC", serif;
}

body {
  background-color: var(--bg);
  background-image:
    radial-gradient(circle at 8% 14%, rgba(214, 74, 29, .045), transparent 26%),
    repeating-linear-gradient(0deg, transparent 0, transparent 31px, rgba(24, 23, 19, .018) 32px);
}

.home-topics__head h2,
.issue-hero__title,
.issue-topics__head h2,
.topic-hero__title,
.topic-views__heading h2,
.topic-catalog-card__head strong,
.issue-catalog-row__body strong {
  font-family: var(--font-display);
  font-weight: 700;
}

.home-topics { padding: 72px 0 88px; }
.home-topics__head { margin-bottom: 24px; }
.home-topics__intro { max-width: 460px; justify-self: end; font-size: 16px; line-height: 1.8; }

.issue-quick-nav {
  position: sticky;
  top: 63px;
  z-index: 5;
  display: flex;
  overflow-x: auto;
  gap: 28px;
  padding: 17px 8px 15px;
  border-top: 1px solid var(--ink);
  border-bottom: 1px solid var(--rule);
  background: rgba(243, 239, 230, .94);
  backdrop-filter: blur(10px);
  scrollbar-width: none;
}
.issue-quick-nav::-webkit-scrollbar { display: none; }
.issue-quick-nav__item {
  display: flex;
  align-items: center;
  gap: 7px;
  flex: 0 0 auto;
  color: var(--ink-dim);
  font-size: 14px;
  white-space: nowrap;
}
.issue-quick-nav__item b { color: var(--ink-muted); font-family: var(--font-mono); font-size: 12px; }
.issue-quick-nav__item:hover,
.issue-quick-nav__item.is-active { color: var(--ink); }
.issue-quick-nav__dot { width: 7px; height: 7px; background: var(--accent); }

.issue-catalog { border-top: 0; }
.issue-catalog-row {
  grid-template-columns: 48px minmax(180px, .72fr) minmax(380px, 1.65fr) 110px;
  gap: 28px;
  scroll-margin-top: 128px;
  padding: 38px 8px 40px;
  border-bottom-color: var(--rule);
}
.issue-catalog-row:hover { background: rgba(251, 248, 241, .7); }
.issue-catalog-row__body strong { margin-bottom: 10px; font-size: 27px; }
.issue-catalog-row__body p { max-width: 310px; margin: 0; font-size: 16px; line-height: 1.75; }
.issue-catalog-row__topics {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0 24px;
  margin: 0;
}
.issue-catalog-row__topic {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 6px 0;
  border-bottom: 1px dotted var(--rule);
  font-size: 15px;
}
.issue-catalog-row__topic b { color: var(--accent); font-size: 12px; font-weight: 500; }
.issue-catalog-row__total { display: grid; justify-items: end; align-content: start; gap: 8px; }
.issue-catalog-row__count { padding: 0; font-size: 46px; }
.issue-catalog-row__arrow { padding: 5px 0 0; font-size: 13px; }

.issue-hero { padding: 56px 0 42px; background: rgba(251, 248, 241, .48); }
.issue-hero__title { font-size: clamp(42px, 5vw, 68px); }
.issue-hero__mark,
.topic-hero__mark { transform: rotate(45deg); }
.issue-topics { padding-top: 52px; }
.issue-topics__head { margin-bottom: 24px; }
.topic-catalog-grid { display: block; border-top: 2px solid var(--ink); }
.topic-catalog-card {
  grid-template-columns: 44px minmax(170px, .75fr) minmax(230px, 1.25fr) minmax(180px, .9fr) 88px 84px;
  align-items: center;
  gap: 20px;
  min-height: 0;
  padding: 23px 8px;
  border: 0;
  border-bottom: 1px solid var(--rule);
  background: transparent;
  transition: background var(--tx), padding var(--tx);
}
.topic-catalog-card:hover { padding-left: 14px; border-color: var(--rule); background: var(--card); }
.topic-catalog-card__index { color: var(--ink-muted); font-size: 13px; }
.topic-catalog-card__head strong { font-size: 20px; }
.topic-catalog-card__desc { color: var(--ink-dim); font-size: 15px; line-height: 1.75; }
.topic-catalog-card__tags { font-size: 14px; line-height: 1.7; }
.topic-catalog-card__count { display: grid; justify-items: end; line-height: 1; }
.topic-catalog-card__count b { color: var(--ink); font-size: 28px; }
.topic-catalog-card__count small { margin-top: 5px; font-size: 11px; }
.topic-catalog-card__more { margin: 0; font-size: 13px; text-align: right; }

.topic-hero { padding-top: 52px; background: rgba(251, 248, 241, .42); }
.topic-views { padding: 62px 0 68px; background: var(--card); }
.topic-views__inner { max-width: 1120px; }
.topic-views__eyebrow { margin-bottom: 14px; }
.topic-views__heading {
  display: grid;
  grid-template-columns: minmax(220px, .75fr) minmax(300px, 1.25fr);
  gap: 48px;
  align-items: end;
  margin-bottom: 38px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--rule);
}
.topic-views__heading h2 { margin: 0; font-size: clamp(34px, 4vw, 50px); line-height: 1; }
.topic-views__heading p { max-width: 590px; margin: 0; line-height: 1.75; }
.topic-insights { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.topic-insight { position: relative; padding: 24px 0 28px 42px; border-top: 1px solid var(--rule); }
.topic-insight__number { position: absolute; top: 28px; left: 0; color: var(--accent); font-size: 11px; }
.topic-insight h3 { padding: 0; border: 0; font-family: var(--font-display); font-size: 20px; }
.topic-insight p { font-size: 15px; }
.topic-framework { display: grid; grid-column: 1 / -1; gap: 36px; }
.topic-framework__core {
  max-width: 900px;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(23px, 2.4vw, 32px);
  line-height: 1.55;
}
.topic-framework h3 { margin: 0 0 18px; font-size: 13px; letter-spacing: .08em; }
.topic-framework__section { padding-top: 28px; border-top: 1px solid var(--rule); }
.topic-framework__patterns { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 28px; }
.topic-framework__pattern { display: grid; grid-template-columns: 28px 1fr; gap: 8px 12px; }
.topic-framework__pattern strong { font-family: var(--font-display); font-size: 18px; line-height: 1.45; }
.topic-framework__pattern p { grid-column: 2; margin: 0; color: var(--ink-dim); font-size: 15px; line-height: 1.8; }
.topic-framework__quotes { padding-top: 28px; border-top: 1px solid var(--rule); }
.topic-framework__quotes > div { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 48px; }
.topic-framework__quote {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 8px 12px;
  margin: 0;
  padding: 22px 0;
  border-top: 1px solid var(--rule);
}
.topic-framework__quote p {
  margin: 0;
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.65;
}
.topic-framework__quote-links {
  grid-column: 2;
  display: grid;
  gap: 7px;
}
.topic-framework__quote-links a {
  color: var(--ink-muted);
  font-size: 13px;
  line-height: 1.6;
}
.topic-framework__quote-links b {
  display: inline-block;
  min-width: 62px;
  margin-right: 8px;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 10px;
  font-weight: 500;
}
.topic-framework__quote-links a:hover { color: var(--accent); }
.topic-framework__decision {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 48px;
  padding: 30px 0;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--rule);
}
.topic-framework__decision p,
.topic-framework__decision ol { margin: 0; color: var(--ink-dim); font-size: 16px; line-height: 1.85; }
.topic-framework__decision ol { padding-left: 22px; }
.topic-framework__decision li + li { margin-top: 8px; }

@media (max-width: 1100px) {
  .issue-catalog-row {
    grid-template-columns: 40px minmax(180px, .7fr) minmax(300px, 1.3fr) 90px;
    gap: 18px;
  }
  .issue-catalog-row__count { display: block; }
  .topic-catalog-card {
    grid-template-columns: 38px minmax(180px, .9fr) minmax(240px, 1.2fr) 76px;
  }
  .topic-catalog-card__tags { display: none; }
  .topic-catalog-card__more { display: none; }
}

@media (max-width: 760px) {
  .home-topics { padding: 52px 0 64px; }
  .issue-quick-nav { top: 56px; margin: 0 -16px; padding-left: 16px; }
  .issue-catalog-row {
    grid-template-columns: 32px 1fr 64px;
    gap: 12px;
    scroll-margin-top: 116px;
    padding: 28px 0;
  }
  .issue-catalog-row__topics { grid-column: 2 / 4; grid-template-columns: 1fr; }
  .issue-catalog-row__body strong { font-size: 23px; }
  .issue-catalog-row__body p { font-size: 15px; }
  .issue-catalog-row__count { font-size: 32px; }
  .issue-catalog-row__arrow { display: block; }
  .issue-catalog-row__meta { display: none; }
  .issue-hero { padding-top: 38px; }
  .topic-catalog-card {
    grid-template-columns: 32px 1fr 54px;
    gap: 12px;
    padding: 20px 0;
  }
  .topic-catalog-card__desc { grid-column: 2 / 4; }
  .topic-catalog-card__count { grid-column: 3; grid-row: 1; }
  .topic-views__heading { grid-template-columns: 1fr; gap: 18px; }
  .topic-insights { grid-template-columns: 1fr; }
  .topic-framework__patterns,
  .topic-framework__quotes > div,
  .topic-framework__decision { grid-template-columns: 1fr; }
}

/* Issue catalog cards */
.issue-topics__head {
  display: block;
  margin-bottom: 26px;
}

.topic-catalog-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 20px;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
}

.topic-catalog-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  min-height: 250px;
  padding: 28px 30px 26px;
  border: 1px solid var(--rule);
  background: rgba(255, 255, 255, .5);
  transition: border-color var(--tx), transform var(--tx), box-shadow var(--tx), background var(--tx);
}

.topic-catalog-card:hover {
  transform: translateY(-3px);
  border-color: var(--ink);
  background: var(--card);
  box-shadow: 0 16px 36px rgba(42, 38, 30, .07);
}

.topic-catalog-card__top {
  display: flex;
  width: 100%;
  align-items: flex-start;
  justify-content: space-between;
}

.topic-catalog-card__index {
  color: var(--accent);
  font-size: 12px;
}

.topic-catalog-card__head {
  display: block;
  margin-top: 22px;
  text-align: left;
}

.topic-catalog-card__head strong {
  font-size: clamp(23px, 2.2vw, 31px);
  line-height: 1.25;
}

.topic-catalog-card__desc {
  max-width: 92%;
  margin: 18px 0 26px;
  color: var(--ink-dim);
  font-size: 15px;
  line-height: 1.75;
  letter-spacing: .02em;
  text-align: left;
}

.topic-catalog-card__count {
  display: flex;
  grid-column: auto;
  grid-row: auto;
  align-items: baseline;
  gap: 7px;
  color: var(--ink-muted);
}

.topic-catalog-card__count b {
  color: var(--ink);
  font-size: 24px;
  line-height: 1;
}

.topic-catalog-card__count small {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
}

.topic-catalog-card__more {
  display: flex;
  justify-content: space-between;
  margin-top: auto;
  padding-top: 18px;
  border-top: 1px dotted var(--rule);
  font-size: 13px;
  text-align: left;
}

.topic-catalog-card__more b { transition: transform var(--tx); }
.topic-catalog-card:hover .topic-catalog-card__more b { transform: translateX(4px); }

@media (max-width: 760px) {
  .topic-catalog-grid {
    grid-template-columns: 1fr;
    gap: 14px;
  }

  .topic-catalog-card {
    min-height: 220px;
    padding: 23px 22px 21px;
  }

  .topic-catalog-card__head { margin-top: 18px; }
  .topic-catalog-card__head strong { font-size: 25px; }
  .topic-catalog-card__desc { grid-column: auto; max-width: none; font-size: 15px; }
  .topic-catalog-card__more { display: flex; }
}