.page-standards section[id] {
  scroll-margin-top: 104px;
}

.page-standards .spec-hero {
  padding-block: var(--space-8) var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-standards .spec-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-standards .spec-hero-panel {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
  padding: var(--space-8) var(--space-4) var(--space-6);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-sm);
}

.page-standards .spec-hero-vtag {
  position: absolute;
  top: var(--space-3);
  right: var(--space-3);
  writing-mode: vertical-rl;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.5em;
  color: color-mix(in srgb, var(--color-primary-ink) 58%, transparent);
}

.page-standards .spec-hero-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: color-mix(in srgb, var(--color-primary-ink) 72%, transparent);
}

.page-standards .spec-hero-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary-ink);
  text-wrap: balance;
}

.page-standards .spec-hero-lead {
  margin: 0;
  max-width: 46ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-primary-ink) 86%, transparent);
}

.page-standards .spec-hero-points {
  list-style: none;
  margin: auto 0 0;
  padding: var(--space-3) 0 0;
  display: grid;
  gap: var(--space-2);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 30%, transparent);
}

.page-standards .spec-hero-points li {
  display: flex;
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: color-mix(in srgb, var(--color-primary-ink) 84%, transparent);
}

.page-standards .spec-hero-point-index {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: color-mix(in srgb, var(--color-primary-ink) 52%, transparent);
}

.page-standards .spec-hero-side {
  display: grid;
  grid-template-rows: auto auto;
  align-content: start;
  gap: var(--space-3);
}

.page-standards .spec-hero-figures {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-standards .spec-figure {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0 var(--space-1);
}

.page-standards .spec-figure .stat-figure {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-figure);
  line-height: 1;
  color: var(--color-ink);
}

.page-standards .spec-figure-unit {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  color: var(--color-accent);
}

.page-standards .spec-figure-note {
  flex: 1 1 100%;
  margin: var(--space-1) 0 0;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-standards .spec-hero-media {
  margin: 0;
}

.page-standards .spec-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 5;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
}

.page-standards .spec-anchor-bar {
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-standards .spec-anchor-inner {
  display: flex;
  align-items: center;
  gap: var(--space-3);
  padding-block: var(--space-2);
}

.page-standards .spec-anchor-label {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
}

.page-standards .spec-anchor-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  gap: var(--space-2);
  flex: 1 1 auto;
  min-width: 0;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-standards .spec-anchor-list::-webkit-scrollbar {
  display: none;
}

.page-standards .spec-anchor-link {
  display: inline-block;
  padding: var(--space-1) var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-surface);
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  white-space: nowrap;
  transition: background 180ms ease-out, color 180ms ease-out, border-color 180ms ease-out;
}

.page-standards .spec-anchor-link:hover,
.page-standards .spec-anchor-link:focus-visible {
  background: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-standards .spec-group {
  padding-block: var(--section-y);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-standards .spec-group--lg {
  padding-block: var(--section-y-lg);
}

.page-standards .spec-group-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-standards .spec-group-rail-inner {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-standards .spec-group-rail .chapter-mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-primary);
}

.page-standards .spec-group-rail .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-standards .spec-rail-note {
  margin: 0;
  max-width: 28ch;
  font-size: var(--text-sm);
  line-height: 1.68;
  color: var(--color-ink-muted);
}

.page-standards .spec-rail-link {
  align-self: flex-start;
  margin-top: var(--space-1);
  padding-bottom: 2px;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 44%, transparent);
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-standards .spec-rail-link:hover,
.page-standards .spec-rail-link:focus-visible {
  color: var(--color-accent);
  border-color: var(--color-accent);
}

.page-standards .spec-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-standards .spec-row + .spec-row {
  margin-top: var(--space-4);
}

.page-standards .spec-row-label {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.26em;
  color: var(--color-ink-muted);
}

.page-standards .spec-row--pain .spec-row-label {
  color: var(--color-accent);
}

.page-standards .spec-pain {
  margin: 0;
  max-width: 36ch;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.48;
  color: var(--color-ink);
}

.page-standards .spec-how-text {
  max-width: var(--measure);
  font-family: "Songti SC", "STSong", "SimSun", "Source Han Serif SC", var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-standards .spec-how-text p {
  margin: 0 0 var(--space-3);
}

.page-standards .spec-how-text p:last-child {
  margin-bottom: 0;
}

.page-standards .spec-how-text a {
  color: var(--color-primary);
}

.page-standards .spec-banner {
  margin: 0 0 var(--space-4);
}

.page-standards .spec-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
}

.page-standards .spec-banner .media-caption {
  display: block;
  margin-top: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-standards .spec-wave {
  margin: 0 0 var(--space-4);
}

.page-standards .spec-wave img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 18 / 5;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
}

.page-standards .spec-scene-media {
  margin: 0;
}

.page-standards .spec-scene-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--radius-sm);
  background: var(--color-surface-deep);
}

.page-standards .spec-result {
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 40%, transparent);
  border-radius: var(--radius-sm);
  background: var(--color-primary-soft);
  overflow: hidden;
}

.page-standards .spec-result-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-3);
  border: 0;
  background: transparent;
  font-family: var(--font-heading);
  font-size: var(--text-base);
  line-height: 1.55;
  text-align: left;
  color: var(--color-ink);
  cursor: pointer;
  transition: background 180ms ease-out;
}

.page-standards .spec-result-trigger:hover {
  background: color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.page-standards .spec-result-trigger:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-standards .spec-result-chip {
  align-self: center;
  white-space: nowrap;
}

.page-standards .spec-result-sign {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
}

.page-standards .spec-result-body {
  padding: 0 var(--space-3) var(--space-3);
  margin-top: var(--space-3);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 28%, transparent);
}

.page-standards .spec-result-body p {
  margin: var(--space-3) 0 0;
  max-width: var(--measure);
  font-family: "Songti SC", "STSong", "SimSun", "Source Han Serif SC", var(--font-body);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-standards .spec-result-body a {
  color: var(--color-primary);
}

.page-standards .spec-table-section,
.page-standards .spec-scope {
  padding-block: var(--section-y);
}

.page-standards .spec-table-head {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-standards .spec-table-head .chapter-mark {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-primary);
}

.page-standards .spec-table-head .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-standards .spec-table-head .section-note {
  margin: 0;
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

.page-standards .spec-table-wrap {
  overflow-x: auto;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-standards .spec-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
}

.page-standards .spec-table-caption {
  caption-side: top;
  padding: var(--space-2) 0;
  text-align: left;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-standards .spec-table thead th {
  padding: var(--space-2) var(--space-3);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  font-weight: var(--weight-heading);
  text-align: left;
  white-space: nowrap;
  border-bottom: var(--border-thin) solid var(--color-contrast-line);
}

.page-standards .spec-table tbody td {
  padding: var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.7;
  vertical-align: top;
}

.page-standards .spec-table tbody td:first-child {
  width: 64px;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

.page-standards .spec-table tbody td:nth-child(2) {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  white-space: nowrap;
}

.page-standards .spec-table tbody tr:hover {
  background: var(--color-surface-alt);
}

.page-standards .spec-table tbody tr:focus-within {
  outline: 2px solid var(--color-focus);
  outline-offset: -2px;
}

.page-standards .spec-scope-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
}

.page-standards .spec-scope-item {
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
}

.page-standards .spec-scope-kicker {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-base);
  font-weight: var(--weight-heading);
  line-height: 1.5;
  color: var(--color-ink);
}

.page-standards .spec-scope-body {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-standards .spec-exit {
  padding-block: var(--section-y);
}

.page-standards .spec-exit-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-radius: var(--radius-sm);
}

.page-standards .spec-exit-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-standards .spec-exit-text p {
  margin: 0 0 var(--space-2);
  max-width: 62ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, transparent);
}

.page-standards .spec-exit-text .spec-exit-note {
  margin-bottom: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

.page-standards .spec-exit-link {
  justify-self: start;
  align-self: center;
  white-space: nowrap;
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

@media (max-width: 599px) {
  .page-standards .spec-anchor-label {
    display: none;
  }

  .page-standards .spec-exit-link {
    justify-self: stretch;
    text-align: center;
  }
}

@media (min-width: 720px) {
  .page-standards .spec-hero-panel {
    padding: var(--space-8) var(--space-8) var(--space-8) var(--space-6);
  }

  .page-standards .spec-row--with-media {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: var(--space-4);
  }

  .page-standards .spec-row--with-media .spec-how-text {
    margin-top: 0;
  }

  .page-standards .spec-scope-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-standards .spec-exit-title {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 960px) {
  .page-standards .spec-hero {
    padding-block: var(--space-8) var(--space-6);
  }

  .page-standards .spec-hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: var(--gutter);
    align-items: stretch;
  }

  .page-standards .spec-hero-media img {
    aspect-ratio: 5 / 4;
  }

  .page-standards .spec-group-grid {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: var(--gutter);
  }

  .page-standards .spec-group-rail-inner {
    position: sticky;
    top: 108px;
  }

  .page-standards .spec-table-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.85fr);
    align-items: end;
    column-gap: var(--gutter);
    row-gap: var(--space-2);
  }

  .page-standards .spec-table-head .chapter-mark {
    grid-column: 1 / -1;
  }

  .page-standards .spec-table-head .section-title {
    grid-column: 1;
  }

  .page-standards .spec-table-head .section-note {
    grid-column: 2;
    padding-bottom: 2px;
  }

  .page-standards .spec-exit-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: var(--space-6);
    padding: var(--space-8);
  }
}
<<<END>>>