.dissertation-feature,
.research-detail {
  --research-ink: #2f3a46;
  --research-copy: #5c6672;
  --research-muted: #626e79;
  --research-line: rgba(180, 185, 190, 0.25);
  --research-blue: #5f7e94;
  --research-pink: #a16e7c;
  color: var(--research-copy);
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 400;
  line-height: 1.8;
}

.dissertation-feature *,
.research-detail * {
  min-width: 0;
}

.dissertation-feature {
  display: grid;
  grid-template-columns: minmax(0, 0.46fr) minmax(0, 0.54fr);
  grid-template-areas:
    "results heading"
    "results intro"
    "results work"
    "results actions"
    "footer footer";
  column-gap: 32px;
  row-gap: 22px;
  padding: 32px;
  border: 1px solid var(--research-line);
  border-radius: var(--radius-lg);
  background: var(--surface-strong);
  box-shadow: 0 12px 35px rgba(60, 70, 80, 0.06);
}

.dissertation-feature .feature-heading { grid-area: heading; }
.dissertation-feature .feature-intro { grid-area: intro; }
.dissertation-feature .feature-results { grid-area: results; align-self: start; }
.dissertation-feature .feature-work { grid-area: work; }
.dissertation-feature .research-actions { grid-area: actions; align-self: start; }
.dissertation-feature .feature-footer { grid-area: footer; }

:is(.dissertation-feature, .research-detail) .research-kicker {
  margin: 0 0 14px;
  color: #916d79;
  font-size: 14px;
  letter-spacing: 0.06em;
  font-weight: 400;
}

.dissertation-feature .feature-title {
  margin: 0;
  color: var(--research-ink);
  font-family: var(--font-display);
  font-size: clamp(28px, 2.35vw, 34px);
  font-weight: 400;
  line-height: 1.5;
  text-wrap: balance;
}

.dissertation-feature .feature-subtitle {
  margin: 10px 0 0;
  color: var(--research-muted);
  font-size: 17px;
}

.dissertation-feature .feature-intro p { margin: 0; }
.dissertation-feature .feature-intro p + p { margin-top: 12px; }
.dissertation-feature .feature-work h4 {
  margin: 0 0 6px;
  color: var(--research-ink);
  font-size: 17px;
  font-weight: 500;
}
.dissertation-feature .feature-work > p { margin: 0; font-size: 16px; }

:is(.dissertation-feature, .research-detail) .research-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}
:is(.dissertation-feature, .research-detail) .research-tags li {
  padding: 4px 11px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(201, 214, 223, 0.12);
  color: #53606a;
  font-size: 14px;
}

:is(.dissertation-feature, .research-detail) .research-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
}
:is(.dissertation-feature, .research-detail) .research-button {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  min-height: 48px;
  padding: 12px 20px;
  border: 1px solid rgba(95, 126, 148, 0.27);
  border-radius: 13px;
  background: rgba(201, 214, 223, 0.26);
  color: #3f586a;
  font-size: 16px;
  line-height: 1.5;
  text-decoration: none;
}
:is(.dissertation-feature, .research-detail) .research-button-secondary {
  background: transparent;
  border-color: var(--research-line);
  color: #596875;
}
:is(.dissertation-feature, .research-detail) .research-button:hover {
  background: rgba(201, 214, 223, 0.4);
  border-color: rgba(95, 126, 148, 0.5);
}
:is(.dissertation-feature, .research-detail) :is(a, button):focus-visible {
  outline: 2px solid var(--research-blue);
  outline-offset: 4px;
}

.dissertation-feature .feature-footer {
  border-top: 1px solid var(--research-line);
  padding-top: 22px;
}
.dissertation-feature .feature-data {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 16px 28px;
  margin: 0;
}
.dissertation-feature .feature-data dt {
  margin: 0 0 6px;
  color: #697581;
  font-size: 13px;
  font-weight: 400;
  line-height: 1.5;
}
.dissertation-feature .feature-data dd {
  margin: 0;
  color: #5c6672;
  font-size: 14px;
  font-weight: 400;
  line-height: 1.7;
}
.dissertation-feature .feature-footer .research-boundary {
  margin-top: 20px;
  padding-left: 14px;
  color: #697581;
  font-weight: 400;
}
.dissertation-feature .feature-footer .research-boundary p {
  margin: 0;
}
.dissertation-feature .feature-footer .research-boundary p + p {
  margin-top: 6px;
}
:is(.dissertation-feature, .research-detail) .research-boundary {
  margin: 0;
  border-left: 2px solid var(--rose);
  padding-left: 12px;
  color: #596773;
  font-size: 14px;
  line-height: 1.8;
}

:is(.dissertation-feature, .research-detail) .research-chart {
  margin: 0;
  max-width: 100%;
  padding: 24px;
  border: 1px solid rgba(180, 185, 190, 0.2);
  border-radius: 18px;
  background: #f4f7f9;
}
:is(.dissertation-feature, .research-detail) .research-chart-title {
  margin: 0 0 7px;
  color: var(--research-ink);
  font-size: 19px;
  line-height: 1.65;
  font-weight: 500;
}
:is(.dissertation-feature, .research-detail) .research-chart-subtitle {
  margin: 0;
  color: var(--research-muted);
  font-size: 13px;
  line-height: 1.75;
}
:is(.dissertation-feature, .research-detail) .research-plot { margin-top: 24px; }
:is(.dissertation-feature, .research-detail) .research-result + .research-result { margin-top: 22px; }
:is(.dissertation-feature, .research-detail) .research-result-label {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin: 0 0 3px;
  color: var(--research-ink);
  font-size: 16px;
  line-height: 1.7;
}
:is(.dissertation-feature, .research-detail) .research-marker {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
}
:is(.dissertation-feature, .research-detail) .research-marker-circle {
  background: var(--research-blue);
  border-radius: 50%;
}
:is(.dissertation-feature, .research-detail) .research-marker-square { background: var(--research-pink); }
:is(.dissertation-feature, .research-detail) .research-result-summary {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0;
}
:is(.dissertation-feature, .research-detail) .research-estimate {
  color: #486479;
  font-family: var(--font-en);
  font-size: 25px;
  font-weight: 400;
  font-variant-numeric: tabular-nums;
  line-height: 1.5;
}
:is(.dissertation-feature, .research-detail) .research-result-data .research-estimate { color: #90616f; }
:is(.dissertation-feature, .research-detail) .research-significance {
  color: var(--research-copy);
  font-size: 13px;
}
:is(.dissertation-feature, .research-detail) .research-result-interval {
  margin: 2px 0 6px;
  color: var(--research-copy);
  font-size: 14px;
  line-height: 1.6;
  font-variant-numeric: tabular-nums;
}
:is(.dissertation-feature, .research-detail) .research-interval-plot {
  display: block;
  max-width: 100%;
}
:is(.dissertation-feature, .research-detail) .research-axis {
  position: relative;
  min-height: 20px;
  margin: 4px 14px 0;
  color: #5c6874;
  font-family: var(--font-en);
  font-size: 13px;
  line-height: 1.5;
}
:is(.dissertation-feature, .research-detail) .research-axis span {
  position: absolute;
  width: 0;
  display: flex;
  justify-content: center;
  white-space: nowrap;
}
:is(.dissertation-feature, .research-detail) .research-axis-label {
  margin: 12px 0 0;
  color: var(--research-muted);
  font-size: 13px;
  text-align: center;
}
:is(.dissertation-feature, .research-detail) .research-chart-caption {
  margin-top: 18px;
  padding-top: 15px;
  border-top: 1px solid var(--research-line);
  color: var(--research-muted);
  font-size: 13px;
  line-height: 1.8;
}
:is(.dissertation-feature, .research-detail) .research-chart-caption p { margin: 0; }
:is(.dissertation-feature, .research-detail) .research-chart-source { margin-top: 10px !important; }
.dissertation-feature .research-chart-source {
  font-size: 12px;
  font-style: italic;
}

.research-detail .research-article {
  width: min(calc(100% - 48px), 820px);
  margin: 0 auto;
  padding: 42px 0 72px;
}
.research-detail .research-back {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 4px 0;
  color: #536d7f;
  font-size: 15px;
  text-decoration: underline;
  text-decoration-color: #c9d6df;
  text-underline-offset: 5px;
}
.research-detail .research-header { padding: 44px 0 38px; }
.research-detail .research-title {
  margin: 0;
  color: var(--research-ink);
  font-family: var(--font-display);
  font-size: clamp(36px, 3.2vw, 44px);
  font-weight: 400;
  line-height: 1.45;
  text-wrap: pretty;
}
.research-detail .research-original-title {
  margin: 20px 0 24px;
  font-family: var(--font-en);
  font-size: 20px;
  color: #6c7885;
  line-height: 1.6;
}
.research-detail .research-byline { margin: 0; font-size: 16px; }
.research-detail .research-study-type { margin: 12px 0 0; font-size: 14px; color: var(--research-muted); }
.research-detail .research-lead { margin: 26px 0 0; font-size: 18px; }
.research-detail .research-header .research-actions { margin-top: 26px; }
.research-detail .research-section {
  padding: 36px 0;
  border-top: 1px solid var(--research-line);
}
.research-detail .research-section h2 {
  margin: 0 0 22px;
  color: var(--research-ink);
  font-family: var(--font-display);
  font-size: 27px;
  font-weight: 400;
  line-height: 1.5;
}
.research-detail .research-section h3 {
  margin: 28px 0 9px;
  color: var(--research-ink);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.7;
}
.research-detail .research-section p { margin: 0 0 16px; }
.research-detail .research-section p:last-child { margin-bottom: 0; }
.research-detail .research-questions { margin: 0; padding-left: 1.4em; }
.research-detail .research-questions li + li { margin-top: 14px; }
.research-detail .research-sample-flow {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 24px 0;
  padding: 18px 0;
  border-block: 1px solid var(--research-line);
  font-size: 15px;
}
.research-detail .research-sample-flow strong { color: #526b7c; font-size: 20px; font-weight: 400; }
.research-detail .research-sample-flow .flow-arrow { color: #8998a4; }
.research-detail .research-note { color: var(--research-muted); font-size: 15px; }
.research-detail .research-findings .research-chart { margin-bottom: 20px; }
.research-detail .research-findings .research-chart p { margin-bottom: 0; }
.research-detail .research-findings .research-boundary { margin-bottom: 30px; }
.research-detail .research-limits {
  padding: 28px;
  margin: 14px 0 36px;
  border: 1px solid var(--research-line);
  border-left: 3px solid var(--rose);
  border-radius: 0 16px 16px 0;
  background: var(--surface);
}
.research-detail .research-sources { margin: 22px 0 28px; padding-left: 1.2em; font-size: 14px; color: var(--research-muted); }
.research-detail .research-sources li + li { margin-top: 8px; }
.research-detail .research-footer .research-actions { margin-top: 28px; }
.research-detail .research-skip {
  position: absolute;
  top: -100px;
  left: 20px;
  z-index: 30;
  padding: 12px 20px;
  background: var(--surface-strong);
}
.research-detail .research-skip:focus { top: 12px; }

@media (max-width: 1100px) {
  .dissertation-feature {
    grid-template-columns: 1fr;
    grid-template-areas: "heading" "intro" "results" "work" "actions" "footer";
  }
  .dissertation-feature .research-chart { max-width: 100%; }
  .dissertation-feature .feature-data { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

.dissertation-feature .research-actions .research-button {
  flex: 0 0 auto;
  gap: 0;
  min-height: 48px;
  padding: 12px 22px;
  border-radius: 12px;
  box-sizing: border-box;
  text-align: center;
  font-family: inherit;
  font-size: 16px;
  font-weight: 400;
  font-style: normal;
  letter-spacing: normal;
  line-height: 1.4;
  transition: background-color 220ms ease, border-color 220ms ease;
}
.dissertation-feature .research-actions .research-button:hover {
  transform: none;
}
@media (max-width: 480px) {
  .dissertation-feature .feature-data { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 640px) {
  .dissertation-feature { padding: 20px; gap: 22px; border-radius: 22px; }
  .dissertation-feature .feature-title { font-size: 28px; }
  :is(.dissertation-feature, .research-detail) .research-chart { padding: 18px 14px; }
  :is(.dissertation-feature, .research-detail) .research-chart-title { font-size: 18px; }
  :is(.dissertation-feature, .research-detail) .research-actions { gap: 10px; }
  :is(.dissertation-feature, .research-detail) .research-button { padding: 12px 16px; }
  .research-detail .research-article { width: calc(100% - 40px); padding: 24px 0 48px; }
  .research-detail .research-header { padding: 30px 0; }
  .research-detail .research-title { font-size: 30px; }
  .research-detail .research-original-title { font-size: 18px; overflow-wrap: break-word; }
  .research-detail .research-section { padding: 30px 0; }
  .research-detail .research-section h2 { font-size: 25px; }
  .research-detail .research-lead { font-size: 17px; }
  .research-detail .research-limits { padding: 22px 18px; }
}
@media (prefers-reduced-motion: reduce) {
  :is(.dissertation-feature, .research-detail) *,
  :is(.dissertation-feature, .research-detail) *::before,
  :is(.dissertation-feature, .research-detail) *::after {
    animation: none !important;
    transition: none !important;
    scroll-behavior: auto !important;
  }
}

@media (max-width: 360px) {
  :is(.dissertation-feature, .research-detail) .research-axis .research-minor-tick {
    display: none;
  }
}

.dissertation-feature .research-actions {
  gap: 14px;
  justify-content: flex-start;
}