/* 链研社 · AI 产业链基本面 — 共享三页 */

html {
  scroll-behavior: smooth;
}

body {
  overflow-x: hidden;
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 48px 48px;
}

button {
  font: inherit;
}

button:focus-visible,
a:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

::selection {
  color: var(--bg-card);
  background: var(--accent);
}

.ai-main {
  width: min(1320px, calc(100% - 48px));
  margin: 0 auto;
  padding: clamp(42px, 6vw, 78px) 0 86px;
}

.ai-eyebrow {
  display: flex;
  align-items: center;
  gap: 12px;
  margin: 0;
  color: var(--accent-2);
  font: 700 11px/1.3 var(--serif);
  letter-spacing: .22em;
  text-transform: uppercase;
}

.ai-eyebrow::before {
  content: "";
  width: 32px;
  height: 3px;
  border-radius: var(--radius-full);
  background: var(--accent);
}

.ai-page-tabs {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 8px;
  margin-bottom: clamp(34px, 5vw, 58px);
  padding: 7px;
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  background: color-mix(in srgb, var(--bg-primary) 94%, transparent);
  box-shadow: var(--shadow-sm);
}

.ai-page-tabs a {
  min-height: 46px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 9px;
  padding: 8px 14px;
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  font-weight: 650;
  text-align: center;
}

.ai-page-tabs a span {
  color: var(--accent);
  font-family: var(--serif);
}

.ai-page-tabs a[aria-current="page"] {
  color: var(--text-primary);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.ai-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.2fr) minmax(360px, .7fr);
  align-items: start;
  gap: clamp(38px, 6vw, 86px);
}

.ai-hero h1,
.ai-compact-hero h1 {
  max-width: 13em;
  margin: 20px 0 0;
  color: var(--text-primary);
  font: 700 clamp(42px, 5.8vw, 76px)/1.08 var(--serif);
  letter-spacing: -.03em;
  text-wrap: balance;
}

.ai-week-label {
  margin: 24px 0 0;
  color: var(--text-secondary);
  font: 600 16px/1.5 var(--serif);
}

.ai-thesis {
  max-width: 18em;
  margin: 20px 0 0;
  color: var(--text-primary);
  font: 700 clamp(28px, 3.6vw, 48px)/1.34 var(--serif);
  letter-spacing: -.02em;
  text-wrap: balance;
}

.ai-hero-summary {
  max-width: 48em;
  margin: 18px 0 0;
  color: var(--text-secondary);
  font-size: 15px;
  line-height: 1.8;
}

.ai-signal-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  margin-top: 32px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ai-signal {
  min-height: 82px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 16px 20px;
  border-left: 1px solid var(--border-light);
}

.ai-signal:first-child {
  padding-left: 0;
  border-left: 0;
}

.ai-signal span {
  color: var(--text-muted);
  font-size: 12px;
  letter-spacing: .08em;
}

.ai-signal strong {
  color: var(--accent);
  font: 700 22px/1 var(--serif);
}

.ai-regime-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 18px;
  margin-top: 16px;
  color: var(--text-muted);
  font-size: 12.5px;
}

.ai-regime-pill {
  padding: 6px 12px;
  border: 1px solid var(--accent);
  border-radius: var(--radius-full);
  color: var(--accent-2);
  background: var(--bg-card);
  font-weight: 650;
}

.ai-catalyst-panel {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
}

.ai-catalyst-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--border);
}

.ai-catalyst-head h2 {
  margin: 0;
  color: var(--text-primary);
  font: 700 20px/1.3 var(--serif);
}

.ai-catalyst-head span {
  color: var(--text-muted);
  font-size: 11px;
}

.ai-catalyst-list {
  display: grid;
}

.ai-catalyst-row {
  width: 100%;
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 16px;
  padding: 18px 22px;
  border: 0;
  border-top: 1px solid var(--border-light);
  color: inherit;
  background: transparent;
  text-align: left;
}

.ai-catalyst-row:first-child {
  border-top: 0;
}

.ai-catalyst-row:hover {
  background: var(--bg-hover);
}

.ai-catalyst-date {
  color: var(--accent);
  font: 700 18px/1.3 var(--serif);
}

.ai-catalyst-copy strong,
.ai-catalyst-copy small {
  display: block;
}

.ai-catalyst-copy strong {
  color: var(--text-primary);
  font-size: 14px;
  line-height: 1.5;
}

.ai-catalyst-copy small {
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 11.5px;
  line-height: 1.45;
}

.ai-catalyst-empty {
  margin: 0;
  padding: 24px 22px;
  color: var(--text-muted);
  font-size: 13px;
  line-height: 1.7;
}

.ai-catalyst-more {
  display: block;
  padding: 16px 22px;
  border-top: 1px solid var(--border);
  color: var(--accent-2);
  font-weight: 650;
  font-size: 13px;
}

.ai-section {
  margin-top: clamp(54px, 8vw, 96px);
}

.ai-section-head {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 28px;
  margin-bottom: 24px;
}

.ai-section-head h2 {
  margin: 0;
  color: var(--text-primary);
  font: 700 clamp(28px, 3.8vw, 44px)/1.2 var(--serif);
}

.ai-section-head p {
  max-width: 46em;
  margin: 0;
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
}

.ai-chain-grid {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.ai-layer-card {
  min-width: 0;
  padding: 22px 16px;
  border-left: 1px solid var(--border-light);
}

.ai-layer-card:first-child {
  border-left: 0;
}

.ai-layer-card.is-featured {
  margin: -1px 0;
  border: 1px solid var(--accent);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--accent-soft) 30%, var(--bg-card));
}

.ai-layer-card .ai-layer-no {
  display: block;
  color: var(--accent);
  font: 700 16px/1 var(--serif);
}

.ai-layer-card h3 {
  margin: 12px 0 16px;
  color: var(--text-primary);
  font: 700 16px/1.4 var(--serif);
}

.ai-layer-subgroup + .ai-layer-subgroup {
  margin-top: 14px;
  padding-top: 13px;
  border-top: 1px solid var(--border-light);
}

.ai-layer-subgroup > span {
  display: block;
  margin-bottom: 8px;
  color: var(--accent-2);
  font-size: 11px;
  font-weight: 700;
}

.ai-company-list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.ai-company-chip,
.ai-source-link {
  min-height: 30px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  background: var(--bg-card);
  font: 600 11px/1 var(--mono);
  text-decoration: none;
}

button.ai-company-chip {
  cursor: pointer;
}

.ai-company-chip:hover,
.ai-source-link:hover {
  border-color: var(--accent);
  color: var(--accent-2);
}

.ai-transmission-preview {
  display: grid;
  grid-template-columns: minmax(180px, .42fr) 1fr;
  align-items: center;
  gap: 36px;
  padding: 34px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ai-transmission-preview h2 {
  margin: 0;
  font: 700 28px/1.2 var(--serif);
}

.ai-transmission-path {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  color: var(--text-secondary);
  font-size: 14px;
}

.ai-transmission-path span {
  position: relative;
  padding: 10px 22px 10px 0;
  border-bottom: 2px solid var(--border);
}

.ai-transmission-path span:last-child {
  color: var(--accent-2);
  border-color: var(--accent);
}

.ai-method-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: clamp(28px, 5vw, 72px);
  padding: 42px;
  border-radius: var(--radius-lg);
  color: #f0e6d2;
  background: #1a1610;
}

html[data-theme="dark"] .ai-method-grid {
  background: #15110c;
}

.ai-method-grid h2 {
  margin: 14px 0 0;
  color: #f0e6d2;
  font: 700 clamp(28px, 3.5vw, 42px)/1.25 var(--serif);
}

.ai-method-grid p,
.ai-method-grid li {
  color: #c9b894;
  font-size: 14px;
  line-height: 1.8;
}

.ai-method-grid a {
  color: #d4a857;
}

.ai-method-grid .ai-eyebrow {
  color: #d4a857;
}

/* 资本传导页 */
.ai-compact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 32px;
  padding-bottom: 30px;
  border-bottom: 1px solid var(--border);
}

.ai-compact-hero h1 {
  font-size: clamp(40px, 5.2vw, 68px);
}

.ai-compact-hero .ai-hero-summary {
  margin-top: 14px;
}

.ai-date-box {
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  color: var(--text-secondary);
  background: var(--bg-card);
  font-family: var(--mono);
  white-space: nowrap;
}

.ai-date-box small {
  display: block;
  margin-top: 5px;
  color: var(--text-muted);
  font: 500 10.5px/1.4 var(--sans);
}

.ai-flow-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: clamp(30px, 4vw, 54px);
  margin-top: 32px;
}

.ai-flow-shell {
  min-width: 0;
}

.ai-flow-map {
  display: grid;
  grid-template-columns: .8fr .95fr 1.12fr 1.14fr .9fr;
  align-items: center;
  gap: 20px;
  min-height: 460px;
  padding: 28px 16px;
}

.ai-flow-node,
.ai-flow-branch,
.ai-relationship-card {
  transition: opacity .18s ease, filter .18s ease;
}

.ai-flow-node.is-muted,
.ai-flow-branch.is-muted,
.ai-relationship-card.is-muted {
  opacity: .22;
  filter: grayscale(.7);
}

.ai-flow-node {
  position: relative;
  padding: 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
  box-shadow: var(--shadow-sm);
}

.ai-flow-node:not(:last-child)::after {
  content: "";
  position: absolute;
  top: 50%;
  left: calc(100% + 1px);
  width: 20px;
  border-top: 2px solid var(--accent);
  opacity: .8;
}

.ai-flow-node h3,
.ai-flow-branch h3 {
  margin: 0 0 14px;
  color: var(--text-primary);
  font: 700 18px/1.35 var(--serif);
}

.ai-flow-node p {
  margin: 0;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.65;
}

.ai-flow-branches {
  display: grid;
  gap: 16px;
}

.ai-flow-branch {
  padding: 16px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg-card) 86%, transparent);
}

.ai-flow-equipment {
  display: grid;
  grid-template-columns: 180px 1fr;
  align-items: center;
  gap: 24px;
  padding: 18px 22px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-lg);
  background: color-mix(in srgb, var(--bg-secondary) 45%, transparent);
}

.ai-flow-equipment strong {
  color: var(--text-primary);
  font: 700 15px/1.4 var(--serif);
}

.ai-flow-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 20px;
}

.ai-flow-tools > span {
  margin-right: 8px;
  color: var(--text-muted);
  font-size: 12px;
  font-weight: 700;
}

.ai-flow-filter,
.ai-layer-button {
  border: 1px solid var(--border);
  color: var(--text-secondary);
  background: var(--bg-card);
  cursor: pointer;
}

.ai-flow-filter {
  min-height: 38px;
  padding: 8px 14px;
  border-radius: var(--radius-full);
  font-size: 12px;
  font-weight: 650;
}

.ai-flow-filter.is-active,
.ai-layer-button.is-active {
  border-color: var(--accent);
  color: var(--accent-2);
  background: var(--accent-soft);
}

.ai-relationship-section {
  padding-top: 42px;
}

.ai-relationship-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--border-light);
}

.ai-relationship-card {
  min-width: 0;
  padding: 22px;
  background: var(--bg-card);
}

.ai-relationship-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  color: var(--accent);
  font: 700 11px/1 var(--mono);
  letter-spacing: .06em;
}

.ai-relationship-head span {
  font: 700 24px/1 var(--serif);
  opacity: .8;
}

.ai-relationship-card h3 {
  margin: 18px 0 10px;
  color: var(--text-primary);
  font: 700 17px/1.45 var(--serif);
}

.ai-relationship-card h3 span {
  color: var(--accent);
}

.ai-relationship-card p {
  margin: 0;
  color: var(--text-secondary);
  font-size: 13px;
  line-height: 1.65;
}

.ai-relationship-card small {
  display: block;
  margin-top: 12px;
  color: var(--text-muted);
  font-size: 11px;
  line-height: 1.6;
}

.ai-transmission-verdict {
  display: grid;
  grid-template-columns: 210px minmax(0, 1fr) auto;
  align-items: center;
  gap: 32px;
  margin-top: 32px;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.ai-transmission-verdict h2 {
  margin: 0;
  font: 700 26px/1.2 var(--serif);
}

.ai-transmission-verdict p {
  margin: 0;
  color: var(--text-secondary);
  font: 600 17px/1.7 var(--serif);
}

.ai-text-link {
  color: var(--accent-2);
  font-weight: 700;
  white-space: nowrap;
}

/* 分层估值页 */
.ai-summary-band {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 0;
  margin-top: 24px;
  padding: 14px 18px;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}

.ai-summary-band span {
  padding: 0 22px;
  border-left: 1px solid var(--border-light);
  color: var(--text-secondary);
  font-size: 13px;
}

.ai-summary-band span:first-child {
  padding-left: 0;
  border-left: 0;
  font-family: var(--mono);
}

.ai-summary-band strong {
  margin-left: 5px;
  color: var(--accent-2);
  font-family: var(--serif);
}

.ai-valuation-layout {
  display: grid;
  grid-template-columns: 290px minmax(0, 1fr) 230px;
  align-items: start;
  gap: 30px;
  margin-top: 30px;
}

.ai-layer-selector {
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.ai-layer-button {
  width: 100%;
  min-height: 62px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 14px 18px;
  border-width: 0 0 1px;
  border-radius: 0;
  text-align: left;
  font-weight: 650;
}

.ai-layer-button:last-child {
  border-bottom: 0;
}

.ai-layer-button small {
  display: block;
  margin-top: 4px;
  color: var(--text-muted);
  font-size: 10.5px;
  font-weight: 500;
  line-height: 1.4;
}

.ai-layer-button.is-active {
  box-shadow: inset 4px 0 var(--accent);
}

.ai-valuation-workspace {
  min-width: 0;
}

.ai-valuation-workspace h2 {
  margin: 0;
  font: 700 30px/1.2 var(--serif);
}

.ai-valuation-note {
  max-width: 66em;
  margin: 12px 0 22px;
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.75;
}

.ai-table-wrap {
  width: 100%;
  overflow-x: auto;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  -webkit-overflow-scrolling: touch;
}

.ai-valuation-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  color: var(--text-secondary);
  font-size: 12.5px;
  line-height: 1.55;
}

.ai-valuation-table th,
.ai-valuation-table td {
  padding: 12px 13px;
  border-bottom: 1px solid var(--border-light);
  text-align: left;
  vertical-align: middle;
}

.ai-valuation-table thead th {
  color: var(--text-muted);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: .06em;
  background: color-mix(in srgb, var(--bg-secondary) 60%, transparent);
}

.ai-valuation-table tbody th {
  width: 112px;
  color: var(--text-primary);
  font: 700 14px/1.4 var(--serif);
  background: color-mix(in srgb, var(--bg-secondary) 45%, transparent);
}

.ai-valuation-table tbody tr:last-child th,
.ai-valuation-table tbody tr:last-child td {
  border-bottom: 0;
}

.ai-symbol-link,
.ai-table-action {
  border: 0;
  color: var(--accent-2);
  background: transparent;
  cursor: pointer;
  font-weight: 750;
}

.ai-symbol-link {
  font-family: var(--mono);
}

.ai-symbol-link:hover,
.ai-table-action:hover {
  color: var(--accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.ai-mini-catalyst {
  position: sticky;
  top: 86px;
  padding-left: 20px;
  border-left: 1px solid var(--border);
}

.ai-mini-catalyst .ai-catalyst-head {
  padding: 0 0 14px;
  border-bottom: 1px solid var(--border);
}

.ai-mini-catalyst .ai-catalyst-panel {
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.ai-mini-catalyst .ai-catalyst-row {
  grid-template-columns: 58px 1fr;
  padding: 16px 0;
}

.ai-mini-catalyst .ai-catalyst-date {
  font-size: 15px;
}

.ai-private-section {
  display: grid;
  grid-template-columns: 180px minmax(0, 1fr) 260px;
  align-items: stretch;
  gap: 22px;
}

.ai-private-title {
  display: flex;
  align-items: center;
}

.ai-private-title h2 {
  margin: 0;
  font: 700 27px/1.25 var(--serif);
}

.ai-private-grid,
.ai-listed-grid {
  display: grid;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--bg-card);
}

.ai-private-grid {
  grid-template-columns: repeat(4, 1fr);
}

.ai-listed-grid {
  grid-template-columns: repeat(2, 1fr);
}

.ai-anchor {
  min-width: 0;
  padding: 18px;
  border-left: 1px solid var(--border-light);
}

.ai-anchor:first-child {
  border-left: 0;
}

.ai-anchor strong,
.ai-anchor span,
.ai-anchor small {
  display: block;
}

.ai-anchor strong {
  color: var(--text-primary);
  font: 700 16px/1.35 var(--serif);
}

.ai-anchor span {
  margin-top: 7px;
  color: var(--text-secondary);
  font-size: 12px;
  line-height: 1.55;
}

.ai-anchor .ai-anchor-multiple {
  margin-top: 4px;
  color: var(--accent-2);
  font-family: var(--mono);
  font-weight: 700;
}

.ai-anchor small {
  margin-top: 8px;
  color: var(--text-muted);
  font-size: 10.5px;
}

.ai-source-note {
  margin-top: 18px;
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
}

.ai-source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 14px;
}

.ai-footer {
  margin-top: 24px;
}

.ai-footer-inner {
  width: min(1320px, calc(100% - 48px));
  display: flex;
  justify-content: space-between;
  gap: 18px;
  margin: 0 auto;
  padding: 28px 0;
  border-top: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 12.5px;
}

.ai-footer nav {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

.ai-footer a {
  color: var(--accent-2);
}

@media (max-width: 1120px) {
  .ai-hero {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 36px;
  }

  .ai-chain-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .ai-layer-card:nth-child(5) {
    border-left: 0;
    border-top: 1px solid var(--border-light);
  }

  .ai-layer-card:nth-child(n+6) {
    border-top: 1px solid var(--border-light);
  }

  .ai-flow-layout {
    grid-template-columns: 1fr;
  }

  .ai-flow-layout > .ai-catalyst-panel {
    max-width: none;
  }

  .ai-valuation-layout {
    grid-template-columns: 250px minmax(0, 1fr);
  }

  .ai-mini-catalyst {
    position: static;
    grid-column: 1 / -1;
    padding: 0;
    border-left: 0;
  }

  .ai-mini-catalyst .ai-catalyst-list {
    grid-template-columns: repeat(3, 1fr);
  }

  .ai-mini-catalyst .ai-catalyst-row {
    border-top: 0;
    border-left: 1px solid var(--border-light);
  }

  .ai-mini-catalyst .ai-catalyst-row:first-child {
    border-left: 0;
  }

  .ai-private-section {
    grid-template-columns: 160px minmax(0, 1fr);
  }

  .ai-listed-grid {
    grid-column: 2;
  }
}

@media (max-width: 900px) {
  .ai-main,
  .ai-footer-inner {
    width: min(100% - 32px, 760px);
  }

  .ai-hero,
  .ai-compact-hero {
    grid-template-columns: 1fr;
  }

  .ai-date-box {
    justify-self: start;
  }

  .ai-signal-strip {
    grid-template-columns: repeat(2, 1fr);
  }

  .ai-signal:nth-child(3) {
    padding-left: 0;
    border-left: 0;
    border-top: 1px solid var(--border-light);
  }

  .ai-signal:nth-child(4) {
    border-top: 1px solid var(--border-light);
  }

  .ai-chain-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-layer-card,
  .ai-layer-card:first-child,
  .ai-layer-card:nth-child(5) {
    border-top: 1px solid var(--border-light);
    border-left: 1px solid var(--border-light);
  }

  .ai-layer-card:nth-child(odd) {
    border-left: 0;
  }

  .ai-layer-card:nth-child(-n+2) {
    border-top: 0;
  }

  .ai-layer-card.is-featured {
    margin: 0;
  }

  .ai-section-head,
  .ai-transmission-preview,
  .ai-transmission-verdict {
    grid-template-columns: 1fr;
    align-items: start;
  }

  .ai-section-head {
    display: grid;
  }

  .ai-flow-map {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    align-items: stretch;
    min-height: 0;
    padding: 10px 0 24px;
  }

  .ai-flow-node:not(:last-child)::after {
    display: none;
  }

  .ai-flow-branches {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, 1fr);
  }

  .ai-flow-equipment {
    grid-template-columns: 1fr;
  }

  .ai-relationship-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .ai-valuation-layout {
    grid-template-columns: 1fr;
  }

  .ai-layer-selector {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
  }

  .ai-layer-button {
    min-height: 58px;
    border-right: 1px solid var(--border-light);
  }

  .ai-layer-button small {
    display: none;
  }

  .ai-layer-button.is-active {
    box-shadow: inset 0 -3px var(--accent);
  }

  .ai-private-section {
    grid-template-columns: 1fr;
  }

  .ai-private-grid,
  .ai-listed-grid {
    grid-column: auto;
  }
}

@media (max-width: 620px) {
  .ai-main {
    padding-top: 26px;
  }

  .ai-page-tabs {
    grid-template-columns: repeat(3, max-content);
    justify-content: start;
    overflow-x: auto;
    scrollbar-width: thin;
  }

  .ai-page-tabs a {
    min-width: 116px;
  }

  .ai-hero h1,
  .ai-compact-hero h1 {
    font-size: clamp(38px, 13vw, 54px);
  }

  .ai-thesis {
    font-size: clamp(27px, 8.4vw, 38px);
  }

  .ai-signal-strip {
    grid-template-columns: 1fr;
  }

  .ai-signal,
  .ai-signal:first-child,
  .ai-signal:nth-child(3) {
    min-height: 62px;
    padding: 12px 0;
    border-top: 1px solid var(--border-light);
    border-left: 0;
  }

  .ai-signal:first-child {
    border-top: 0;
  }

  .ai-catalyst-row {
    grid-template-columns: 62px minmax(0, 1fr);
    padding: 16px;
  }

  .ai-chain-grid,
  .ai-flow-map,
  .ai-flow-branches,
  .ai-relationship-grid,
  .ai-layer-selector,
  .ai-private-grid,
  .ai-listed-grid,
  .ai-method-grid {
    grid-template-columns: 1fr;
  }

  .ai-layer-card,
  .ai-layer-card:nth-child(odd),
  .ai-layer-card:nth-child(-n+2) {
    border-top: 1px solid var(--border-light);
    border-left: 0;
  }

  .ai-layer-card:first-child {
    border-top: 0;
  }

  .ai-transmission-path {
    grid-template-columns: 1fr;
  }

  .ai-transmission-path span {
    border-bottom-width: 1px;
  }

  .ai-flow-node,
  .ai-flow-branch {
    min-height: auto;
  }

  .ai-summary-band {
    display: grid;
    grid-template-columns: 1fr 1fr;
  }

  .ai-summary-band span,
  .ai-summary-band span:first-child {
    padding: 4px 10px;
    border: 0;
  }

  .ai-layer-button {
    border-right: 0;
  }

  .ai-mini-catalyst .ai-catalyst-list {
    grid-template-columns: 1fr;
  }

  .ai-mini-catalyst .ai-catalyst-row,
  .ai-mini-catalyst .ai-catalyst-row:first-child {
    border-top: 1px solid var(--border-light);
    border-left: 0;
  }

  .ai-mini-catalyst .ai-catalyst-row:first-child {
    border-top: 0;
  }

  .ai-footer-inner {
    display: grid;
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
  }
}