.page-scenarios {
  --sc-panel-pad: clamp(var(--space-3), 3vw, var(--space-6));
  --sc-rule: 1px solid var(--color-line);
}

/* ---------- 首屏 ---------- */

.page-scenarios .sc-hero {
  position: relative;
  background-color: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding-block: calc(var(--space-8) * 2) var(--space-8);
}

.page-scenarios .sc-hero__crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1) var(--space-2);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
}

.page-scenarios .sc-hero__crumb a {
  color: var(--color-contrast-ink);
  text-decoration: none;
  border-bottom: 1px solid var(--color-contrast-line);
  padding-bottom: 1px;
}

.page-scenarios .sc-hero__crumb a:hover,
.page-scenarios .sc-hero__crumb a:focus-visible {
  border-bottom: 2px solid var(--color-contrast-accent);
}

.page-scenarios .sc-collage {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-scenarios .sc-panel {
  position: relative;
  padding: var(--sc-panel-pad);
  min-width: 0;
}

.page-scenarios .sc-panel__kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  text-transform: uppercase;
  opacity: 0.82;
}

.page-scenarios .sc-panel--primary {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.28);
}

.page-scenarios .sc-panel--deep {
  background-color: transparent;
  border: 1px solid var(--color-contrast-line);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.08);
  color: var(--color-contrast-ink);
}

.page-scenarios .sc-panel--title {
  min-height: 260px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
}

.page-scenarios .sc-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: 1.02;
  letter-spacing: -0.012em;
  color: var(--color-primary-ink);
}

.page-scenarios .sc-panel--figure {
  padding: 0;
  overflow: hidden;
  position: relative;
  min-height: 260px;
  background-color: var(--color-surface-deep);
}

.page-scenarios .sc-panel--figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-scenarios .sc-panel--lead {
  background-color: var(--color-surface);
  color: var(--color-ink);
}

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

.page-scenarios .sc-tags {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .sc-tags__item {
  padding: 4px var(--space-2);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  background-color: var(--color-surface-alt);
}

.page-scenarios .sc-panel--jump {
  background-color: var(--color-primary-soft);
  color: var(--color-ink);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.7);
}

.page-scenarios .sc-panel--jump .sc-panel__kicker {
  color: var(--color-primary);
  opacity: 1;
}

.page-scenarios .sc-jump {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .sc-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px var(--space-2);
  border: 1px solid transparent;
  border-radius: var(--radius-pill);
  background-color: var(--color-surface);
  color: var(--color-ink);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-scenarios .sc-jump a .mono {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-primary);
}

.page-scenarios .sc-jump a:hover,
.page-scenarios .sc-jump a:focus-visible {
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  border-color: var(--color-primary);
}

.page-scenarios .sc-jump a:hover .mono,
.page-scenarios .sc-jump a:focus-visible .mono {
  color: var(--color-primary-ink);
}

/* ---------- 首屏数字面板 ---------- */

.page-scenarios .sc-nums {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: var(--space-3);
}

.page-scenarios .sc-nums__item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-areas:
    "val key"
    "val note";
  align-items: baseline;
  gap: 2px var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: 1px dotted var(--color-contrast-line);
}

.page-scenarios .sc-nums__item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-scenarios .sc-nums__val {
  grid-area: val;
  font-family: var(--font-mono);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 0.9;
  color: var(--color-contrast-ink);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .sc-nums__key {
  grid-area: key;
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-contrast-ink);
}

.page-scenarios .sc-nums__note {
  grid-area: note;
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-contrast-line);
}

/* ---------- 分组通用 ---------- */

.page-scenarios .sc-group {
  padding-block: var(--section-y);
  background-color: var(--color-surface);
  border-top: 1px solid var(--color-line);
}

.page-scenarios .sc-group--alt {
  background-color: var(--color-surface-alt);
}

.page-scenarios [id^="sc-g-"] {
  scroll-margin-top: 96px;
}

.page-scenarios .sc-group__inner {
  display: block;
}

.page-scenarios .sc-group__idx {
  display: inline-block;
  margin: 0 0 var(--space-2);
  padding: 3px var(--space-2);
  border-radius: var(--radius-pill);
  background-color: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
}

.page-scenarios .sc-group__title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: 0.01em;
  color: var(--color-ink);
}

.page-scenarios .sc-group__lead {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-group__meta {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-scenarios .sc-group__figure {
  margin: var(--space-4) 0 0;
  background-color: var(--color-surface-deep);
}

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

/* ---------- 专题 ---------- */

.page-scenarios .sc-topics {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.page-scenarios .sc-topic {
  border: 1px solid var(--color-line);
  border-left: 3px solid var(--color-line);
  background-color: var(--color-surface);
  transition: border-color 0.15s ease;
}

.page-scenarios .sc-group--alt .sc-topic {
  background-color: var(--color-surface);
}

.page-scenarios .sc-topic:hover {
  border-color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.page-scenarios .sc-topic[open] {
  border-left-color: var(--color-accent);
}

.page-scenarios .sc-topic__summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  padding: var(--space-3) var(--space-3) var(--space-3) var(--space-4);
  cursor: pointer;
  list-style: none;
}

.page-scenarios .sc-topic__summary::-webkit-details-marker {
  display: none;
}

.page-scenarios .sc-topic__summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
}

.page-scenarios .sc-topic[open] .sc-topic__summary::after {
  content: "\2212";
  color: var(--color-accent);
}

.page-scenarios .sc-topic__num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-primary);
  font-variant-numeric: tabular-nums;
}

.page-scenarios .sc-topic__name {
  flex: 1 1 12ch;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: 1.3;
  color: var(--color-ink);
}

.page-scenarios .sc-topic__cond {
  flex: 0 1 auto;
  padding: 2px var(--space-2);
  border: 1px dotted var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-topic__body {
  padding: 0 var(--space-3) var(--space-4) var(--space-4);
  border-top: 1px dotted var(--color-line);
  margin-top: var(--space-1);
}

.page-scenarios .sc-topic__intro {
  margin: var(--space-3) 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-points {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .sc-points__item {
  display: grid;
  grid-template-columns: 4.5ch 1fr;
  gap: var(--space-2);
  padding-block: var(--space-1);
  border-bottom: 1px dotted var(--color-line);
}

.page-scenarios .sc-points__item:last-child {
  border-bottom: 0;
}

.page-scenarios .sc-points__idx {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  padding-top: 4px;
  font-variant-numeric: tabular-nums;
}

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

.page-scenarios .sc-related {
  margin-top: var(--space-3);
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-line);
}

.page-scenarios .sc-related__label {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-related__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .sc-related__list a {
  display: block;
  padding: 6px var(--space-2);
  border-left: 2px solid transparent;
  font-size: var(--text-sm);
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.page-scenarios .sc-related__list a:hover,
.page-scenarios .sc-related__list a:focus-visible {
  border-left-color: var(--color-accent);
  background-color: var(--color-surface-alt);
}

/* ---------- 地区与语言 ---------- */

.page-scenarios .sc-region {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.page-scenarios .sc-topics--single {
  margin-top: 0;
}

.page-scenarios .sc-region__figure {
  margin: 0;
  background-color: var(--color-surface-deep);
}

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

.page-scenarios .sc-region__cap {
  padding: var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-xs);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

/* ---------- 尾部窄条 ---------- */

.page-scenarios .sc-strip {
  margin: var(--space-6) 0 0;
  position: relative;
  background-color: var(--color-contrast-surface);
}

.page-scenarios .sc-strip img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-scenarios .sc-backlink {
  margin: var(--space-4) 0 0;
  font-size: var(--text-sm);
}

.page-scenarios .sc-backlink a {
  display: inline-block;
  padding: 6px var(--space-3);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  color: var(--color-ink);
  text-decoration: none;
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.page-scenarios .sc-backlink a:hover,
.page-scenarios .sc-backlink a:focus-visible {
  background-color: var(--color-primary);
  border-color: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-scenarios a:focus-visible,
.page-scenarios summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 断点：平板以上拼合首屏 ---------- */

@media (min-width: 760px) {
  .page-scenarios .sc-collage {
    grid-template-columns: repeat(12, 1fr);
    grid-auto-rows: minmax(88px, auto);
  }

  .page-scenarios .sc-panel--title {
    grid-column: 1 / 9;
    grid-row: 1 / 3;
    min-height: 300px;
  }

  .page-scenarios .sc-panel--nums {
    grid-column: 9 / 13;
    grid-row: 1 / 4;
  }

  .page-scenarios .sc-panel--figure {
    grid-column: 1 / 5;
    grid-row: 3 / 5;
    min-height: 300px;
  }

  .page-scenarios .sc-panel--lead {
    grid-column: 5 / 13;
    grid-row: 3 / 4;
  }

  .page-scenarios .sc-panel--jump {
    grid-column: 5 / 13;
    grid-row: 4 / 5;
  }

  .page-scenarios .sc-group--split .sc-group__inner {
    display: grid;
    grid-template-columns: minmax(0, 3fr) minmax(0, 2fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-scenarios .sc-group__figure {
    margin-top: 0;
  }

  .page-scenarios .sc-region {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    align-items: start;
  }

  .page-scenarios .sc-topics {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-scenarios .sc-group__head--narrow {
    max-width: calc(var(--measure) + 8ch);
  }
}

@media (min-width: 1080px) {
  .page-scenarios .sc-panel--title {
    grid-column: 1 / 9;
    grid-row: 1 / 3;
    min-height: 380px;
  }

  .page-scenarios .sc-panel--nums {
    grid-column: 9 / 13;
    grid-row: 1 / 4;
  }

  .page-scenarios .sc-panel--figure {
    min-height: 380px;
  }

  .page-scenarios .sc-topic__summary {
    padding-inline: var(--space-4) var(--space-4);
  }

  .page-scenarios .sc-topic__body {
    padding-inline: var(--space-6) var(--space-4) var(--space-4);
  }

  .page-scenarios .sc-group__title {
    font-size: var(--text-3xl);
  }
}

@media (max-width: 420px) {
  .page-scenarios .sc-panel--title {
    min-height: 200px;
  }

  .page-scenarios .sc-points__item {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-scenarios .sc-points__idx {
    padding-top: 0;
  }
}