.page-scenarios .breadcrumb {
  margin-top: var(--space-4);
}

/* ── 首屏：焦点问题块 + 不等尺寸数字模块 ── */
.page-scenarios .scene-hero {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.page-scenarios .scene-hero__focus {
  position: relative;
  overflow: hidden;
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  box-shadow: var(--shadow-2);
}

.page-scenarios .scene-hero__focus::after {
  content: "";
  position: absolute;
  right: -18%;
  bottom: -38%;
  width: 62%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle, color-mix(in srgb, var(--color-contrast-accent) 46%, transparent) 0%, transparent 72%);
  pointer-events: none;
}

.page-scenarios .scene-hero__focus .eyebrow {
  position: relative;
  color: color-mix(in srgb, var(--color-primary-ink) 74%, transparent);
}

.page-scenarios .scene-hero__title {
  position: relative;
  font-size: var(--text-display);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  margin: var(--space-2) 0 0;
}

.page-scenarios .scene-hero__lead {
  position: relative;
  margin-top: var(--space-3);
  max-width: 42ch;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-primary-ink) 88%, transparent);
}

.page-scenarios .scene-hero__order {
  position: relative;
  list-style: none;
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-1);
  border-top: var(--border-thin) solid color-mix(in srgb, var(--color-primary-ink) 32%, transparent);
  padding-top: var(--space-2);
}

.page-scenarios .scene-hero__order li {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
}

.page-scenarios .scene-hero__order-idx {
  flex: 0 0 auto;
  width: var(--space-3);
  height: var(--space-3);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-pill);
  background: color-mix(in srgb, var(--color-primary-ink) 20%, transparent);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .scene-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
}

.page-scenarios .scene-stat {
  border-radius: var(--radius-lg);
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-scenarios .scene-stat--b {
  background: var(--color-highlight);
  border-color: color-mix(in srgb, var(--color-accent) 26%, transparent);
}

.page-scenarios .scene-stat--c {
  grid-column: 1 / -1;
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
}

.page-scenarios .scene-stat__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-primary);
}

.page-scenarios .scene-stat--b .scene-stat__value {
  color: var(--color-accent);
}

.page-scenarios .scene-stat--c .scene-stat__value {
  color: var(--color-contrast-accent);
}

.page-scenarios .scene-stat__label {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
}

.page-scenarios .scene-stat__note {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, transparent);
}

/* ── 场景筛选条 ── */
.page-scenarios .scene-filter {
  margin-top: var(--space-6);
}

.page-scenarios .scene-filter .filter-empty {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* ── 场景分组 ── */
.page-scenarios .scene-group {
  scroll-margin-top: var(--space-8);
}

.page-scenarios .scene-group__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-scenarios .scene-group__index {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  font-variant-numeric: tabular-nums;
  color: var(--color-accent);
}

.page-scenarios .scene-group__title {
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-group__intro {
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-3);
}

.page-scenarios .scene-group__lead {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-scenarios .scene-group__media {
  margin: 0;
}

.page-scenarios .scene-group__media--wide,
.page-scenarios .scene-group__media--tall {
  margin-top: var(--space-4);
}

.page-scenarios .scene-group__media--tall {
  max-width: 52%;
  margin-left: auto;
}

.page-scenarios .scene-group__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ── 问题组 ── */
.page-scenarios .scene-q-list {
  margin-top: var(--space-4);
}

.page-scenarios .scene-q {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-scenarios .scene-q:first-child {
  border-top: var(--border-thin) solid var(--color-line);
}

.page-scenarios .scene-q__num {
  width: var(--space-4);
  height: var(--space-4);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm);
  background: var(--color-accent);
  color: var(--color-accent-ink);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .scene-q__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-q__fields {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

.page-scenarios .scene-q__row {
  display: grid;
  gap: var(--space-1);
}

.page-scenarios .scene-q__key {
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

.page-scenarios .scene-q__val {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  max-width: var(--measure);
}

/* ── 版本胜率斜率图 ── */
.page-scenarios .scene-viz,
.page-scenarios .scene-ladder {
  margin-top: var(--space-4);
  padding: var(--space-3);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
}

.page-scenarios .scene-viz__title,
.page-scenarios .scene-ladder__title {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-chart {
  display: block;
  width: 100%;
  height: auto;
  margin-top: var(--space-2);
}

.page-scenarios .scene-chart__axis {
  font-family: var(--font-body);
  font-size: var(--text-xs);
  fill: var(--color-ink-muted);
}

.page-scenarios .scene-viz__note,
.page-scenarios .scene-ladder__note {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ── 排名优先级阶梯 ── */
.page-scenarios .scene-ladder__list {
  list-style: none;
  margin-top: var(--space-3);
  display: grid;
  gap: var(--space-2);
}

.page-scenarios .scene-ladder__item {
  display: grid;
  grid-template-columns: var(--space-3) 5.5rem minmax(0, 1fr);
  align-items: center;
  gap: var(--space-2);
}

.page-scenarios .scene-ladder__rank {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

.page-scenarios .scene-ladder__name {
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-scenarios .scene-ladder__bar {
  height: 10px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--color-primary) 0%, var(--color-accent) 100%);
}

.page-scenarios .scene-ladder__item:nth-child(1) .scene-ladder__bar {
  width: 100%;
}

.page-scenarios .scene-ladder__item:nth-child(2) .scene-ladder__bar {
  width: 76%;
}

.page-scenarios .scene-ladder__item:nth-child(3) .scene-ladder__bar {
  width: 54%;
}

.page-scenarios .scene-ladder__item:nth-child(4) .scene-ladder__bar {
  width: 32%;
}

/* ── 场景出口 ── */
.page-scenarios .scene-exits__head {
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-bottom: var(--space-2);
}

.page-scenarios .scene-exits__title {
  margin-top: var(--space-1);
  font-size: var(--text-2xl);
  line-height: var(--leading-heading);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-exits__grid {
  margin-top: var(--space-4);
  display: grid;
  gap: var(--space-2);
}

.page-scenarios .scene-exit {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  color: var(--color-ink);
  transition: transform 0.2s ease, box-shadow 0.2s ease, border-color 0.2s ease;
}

.page-scenarios .scene-exit:hover,
.page-scenarios .scene-exit:focus-visible {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
  border-color: var(--color-accent);
}

.page-scenarios .scene-exit__tag {
  align-self: flex-start;
  padding: 0 var(--space-2);
  border-radius: var(--radius-pill);
  background: var(--color-highlight);
  color: var(--color-accent);
  font-size: var(--text-xs);
  line-height: 2;
}

.page-scenarios .scene-exit__name {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-accent);
}

.page-scenarios .scene-exit__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ── 响应式 ── */
@media (min-width: 720px) {
  .page-scenarios .scene-hero__focus {
    padding: var(--space-4);
  }

  .page-scenarios .scene-q {
    grid-template-columns: var(--space-8) minmax(0, 1fr);
    column-gap: var(--space-3);
  }

  .page-scenarios .scene-q__num {
    grid-column: 1;
    grid-row: 1;
  }

  .page-scenarios .scene-q__title {
    grid-column: 2;
    grid-row: 1;
  }

  .page-scenarios .scene-q__fields {
    grid-column: 2;
    grid-row: 2;
    gap: var(--space-1);
  }

  .page-scenarios .scene-q__row {
    grid-template-columns: calc(var(--space-8) * 1.25) minmax(0, 1fr);
    gap: var(--space-2);
    padding-top: var(--space-1);
  }

  .page-scenarios .scene-q__key {
    padding-top: 0.2em;
  }

  .page-scenarios .scene-exits__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-scenarios .scene-hero {
    grid-template-columns: 1.15fr 1fr;
    gap: var(--gutter);
    align-items: stretch;
  }

  .page-scenarios .scene-hero__stats {
    grid-template-rows: auto auto;
  }

  .page-scenarios .scene-stat--c {
    grid-column: 1 / -1;
  }

  .page-scenarios .scene-group__intro--media {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: center;
    gap: var(--gutter);
  }

  .page-scenarios .scene-group__intro--media .scene-group__media {
    margin-top: 0;
  }

  .page-scenarios .scene-viz,
  .page-scenarios .scene-ladder {
    padding: var(--space-4);
  }
}

@media (max-width: 719px) {
  .page-scenarios .scene-group__media--tall {
    max-width: 100%;
  }

  .page-scenarios .scene-ladder__item {
    grid-template-columns: var(--space-3) minmax(0, 5.5rem) minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .scene-exit {
    transition: none;
  }

  .page-scenarios .scene-exit:hover,
  .page-scenarios .scene-exit:focus-visible {
    transform: none;
  }
}