/* ===== 使用场景页 ===== */
.page-scenarios {
  --scene-panel-border: color-mix(in srgb, var(--color-primary) 42%, transparent);
  --scene-narrow-width: 62%;
  display: block;
}

/* 面包屑与首屏之间的呼吸 */
.page-scenarios .breadcrumbs {
  padding-block: var(--space-3) 0;
}

/* ---------- 首屏 ---------- */
.page-scenarios .scene-hero {
  padding-block: var(--space-3) var(--space-8);
}

.page-scenarios .scene-hero__grid {
  display: grid;
  gap: var(--space-6);
  align-items: end;
}

.page-scenarios .scene-hero__lead {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-scenarios .scene-hero__lead .display-1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-hero__lead .lead {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

/* 场景索引胶囊 */
.page-scenarios .scene-index ul {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .scene-index a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: border-color 180ms ease-out, color 180ms ease-out, background-color 180ms ease-out;
}

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

.page-scenarios .scene-index__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* 首屏主图 */
.page-scenarios .scene-hero__media {
  position: relative;
  margin: 0;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--scene-panel-border);
  box-shadow: var(--shadow-1);
}

.page-scenarios .scene-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: calc(var(--section-y) * 3.2);
  object-fit: cover;
}

.page-scenarios .scene-hero__media .scene-figures {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3);
  background: var(--overlay-scrim);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.page-scenarios .scene-figures__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-scenarios .scene-figures__item b {
  font-family: var(--font-mono);
  font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--color-contrast-accent);
}

.page-scenarios .scene-figures__item i {
  font-style: normal;
  font-size: var(--text-xs);
  line-height: 1.4;
  color: var(--color-contrast-ink);
}

/* ---------- 场景分组 ---------- */
.page-scenarios .scene-group {
  padding-block: var(--section-y);
  border-top: var(--border-thin) dashed var(--color-line);
}

.page-scenarios .scene-group__head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-scenarios .scene-group__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-scenarios .scene-group__list {
  display: grid;
  gap: var(--space-8);
}

/* ---------- 场景块 ---------- */
.page-scenarios .scene-block {
  display: grid;
  gap: var(--space-4);
  align-items: start;
  min-width: 0;
}

.page-scenarios .scene-block__body {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-scenarios .scene-block__body h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 3.2vw, var(--text-xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-block__media {
  margin: 0;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-scenarios .scene-block__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: calc(var(--section-y) * 2.4);
  object-fit: cover;
}

/* 三段说明结构 */
.page-scenarios .scene-flow {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-scenarios .scene-flow__row {
  display: grid;
  gap: 3px;
  padding-block: var(--space-2);
}

.page-scenarios .scene-flow__row + .scene-flow__row {
  border-top: 1px dotted var(--color-line);
}

.page-scenarios .scene-flow dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

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

/* 支撑数字 */
.page-scenarios .scene-metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  border-inline-start: 2px solid var(--color-accent);
}

.page-scenarios .scene-metric__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.page-scenarios .scene-metric__label {
  flex: 1 1 auto;
  min-width: 12ch;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

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

/* 窄块 */
.page-scenarios .scene-block--narrow-right .scene-block__body,
.page-scenarios .scene-block--narrow-left .scene-block__body {
  max-width: var(--measure);
}

.page-scenarios .scene-block--narrow-right .scene-block__body {
  margin-inline-start: auto;
}

/* 紧凑面板块 */
.page-scenarios .scene-block--compact {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

/* 成对分栏 */
.page-scenarios .scene-pair {
  display: grid;
  gap: var(--space-6);
}

/* ---------- 出口区 ---------- */
.page-scenarios .scene-outro {
  padding-block: 0 var(--section-y-lg);
}

.page-scenarios .scene-outro__panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
}

.page-scenarios .scene-outro__head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-outro__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .scene-outro__list li {
  display: grid;
  gap: 3px;
  padding-block: var(--space-2);
}

.page-scenarios .scene-outro__list li + li {
  border-top: 1px dotted var(--color-line);
}

.page-scenarios .scene-outro__list a {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--scene-panel-border);
  justify-self: start;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-scenarios .scene-outro__list a:hover,
.page-scenarios .scene-outro__list a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-scenarios .scene-outro__list span {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__action {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--border-thin) dashed var(--color-line);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__action p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .scene-outro__action .btn {
  justify-self: start;
}

/* ---------- 焦点环 ---------- */
.page-scenarios a:focus-visible,
.page-scenarios .btn:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-scenarios .scene-flow__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-2);
  }

  .page-scenarios .scene-flow dt {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-scenarios .scene-hero {
    padding-block: var(--space-4) var(--section-y-lg);
  }

  .page-scenarios .scene-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
  }

  .page-scenarios .scene-hero__media {
    margin-bottom: calc(var(--section-y) * -0.55);
    position: relative;
    z-index: 2;
  }

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

  .page-scenarios .scene-block--wide-text {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-scenarios .scene-block--wide-media {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-scenarios .scene-block--wide-media .scene-block__body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-scenarios .scene-block--wide-media .scene-block__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-scenarios .scene-block--narrow-right,
  .page-scenarios .scene-block--narrow-left {
    max-width: var(--scene-narrow-width);
  }

  .page-scenarios .scene-block--narrow-right {
    margin-inline-start: auto;
  }

  .page-scenarios .scene-block--narrow-right .scene-block__body,
  .page-scenarios .scene-block--narrow-left .scene-block__body {
    padding-inline-start: var(--space-3);
    border-inline-start: var(--border-thin) dashed var(--color-line);
  }

  .page-scenarios .scene-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-scenarios .scene-outro__panel {
    padding: var(--space-8) var(--space-6);
  }

  .page-scenarios .scene-outro__panel {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: var(--space-6);
  }

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

  .page-scenarios .scene-outro__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .scene-index a,
  .page-scenarios .scene-outro__list a {
    transition: none;
  }
}
</final>

/* ===== 使用场景页 ===== */
.page-scenarios {
  --scene-panel-border: color-mix(in srgb, var(--color-primary) 42%, transparent);
  --scene-narrow-width: 62%;
  display: block;
}

.page-scenarios .breadcrumbs {
  padding-block: var(--space-3) 0;
}

/* ---------- 首屏 ---------- */
.page-scenarios .scene-hero {
  padding-block: var(--space-3) var(--space-8);
}

.page-scenarios .scene-hero__grid {
  display: grid;
  gap: var(--space-6);
  align-items: end;
}

.page-scenarios .scene-hero__lead {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-scenarios .scene-hero__lead .display-1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-hero__lead .lead {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

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

.page-scenarios .scene-index a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: border-color 180ms ease-out, color 180ms ease-out, background-color 180ms ease-out;
}

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

.page-scenarios .scene-index__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* 首屏主图 */
.page-scenarios .scene-hero__media {
  position: relative;
  margin: 0;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--scene-panel-border);
  box-shadow: var(--shadow-1);
}

.page-scenarios .scene-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: calc(var(--section-y) * 3.2);
  object-fit: cover;
}

.page-scenarios .scene-hero__media .scene-figures {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3);
  background: var(--overlay-scrim);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.page-scenarios .scene-figures__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-scenarios .scene-figures__item b {
  font-family: var(--font-mono);
  font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--color-contrast-accent);
}

.page-scenarios .scene-figures__item i {
  font-style: normal;
  font-size: var(--text-xs);
  line-height: 1.4;
  color: var(--color-contrast-ink);
}

/* ---------- 场景分组 ---------- */
.page-scenarios .scene-group {
  padding-block: var(--section-y);
  border-top: var(--border-thin) dashed var(--color-line);
}

.page-scenarios .scene-group__head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-scenarios .scene-group__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-scenarios .scene-group__list {
  display: grid;
  gap: var(--space-8);
}

/* ---------- 场景块 ---------- */
.page-scenarios .scene-block {
  display: grid;
  gap: var(--space-4);
  align-items: start;
  min-width: 0;
}

.page-scenarios .scene-block__body {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-scenarios .scene-block__body h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 3.2vw, var(--text-xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-block__media {
  margin: 0;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-scenarios .scene-block__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: calc(var(--section-y) * 2.4);
  object-fit: cover;
}

.page-scenarios .scene-flow {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-scenarios .scene-flow__row {
  display: grid;
  gap: 3px;
  padding-block: var(--space-2);
}

.page-scenarios .scene-flow__row + .scene-flow__row {
  border-top: 1px dotted var(--color-line);
}

.page-scenarios .scene-flow dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

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

.page-scenarios .scene-metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  border-inline-start: 2px solid var(--color-accent);
}

.page-scenarios .scene-metric__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.page-scenarios .scene-metric__label {
  flex: 1 1 auto;
  min-width: 12ch;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

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

.page-scenarios .scene-block--narrow-right .scene-block__body,
.page-scenarios .scene-block--narrow-left .scene-block__body {
  max-width: var(--measure);
}

.page-scenarios .scene-block--narrow-right .scene-block__body {
  margin-inline-start: auto;
}

.page-scenarios .scene-block--compact {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-scenarios .scene-pair {
  display: grid;
  gap: var(--space-6);
}

/* ---------- 出口区 ---------- */
.page-scenarios .scene-outro {
  padding-block: 0 var(--section-y-lg);
}

.page-scenarios .scene-outro__panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
}

.page-scenarios .scene-outro__head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-outro__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .scene-outro__list li {
  display: grid;
  gap: 3px;
  padding-block: var(--space-2);
}

.page-scenarios .scene-outro__list li + li {
  border-top: 1px dotted var(--color-line);
}

.page-scenarios .scene-outro__list a {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--scene-panel-border);
  justify-self: start;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-scenarios .scene-outro__list a:hover,
.page-scenarios .scene-outro__list a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-scenarios .scene-outro__list span {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__action {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--border-thin) dashed var(--color-line);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__action p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .scene-outro__action .btn {
  justify-self: start;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-scenarios .scene-flow__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-2);
  }

  .page-scenarios .scene-flow dt {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-scenarios .scene-hero {
    padding-block: var(--space-4) var(--section-y-lg);
  }

  .page-scenarios .scene-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
  }

  .page-scenarios .scene-hero__media {
    margin-bottom: calc(var(--section-y) * -0.55);
    position: relative;
    z-index: 2;
  }

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

  .page-scenarios .scene-block--wide-text {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-scenarios .scene-block--wide-media {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-scenarios .scene-block--wide-media .scene-block__body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-scenarios .scene-block--wide-media .scene-block__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-scenarios .scene-block--narrow-right,
  .page-scenarios .scene-block--narrow-left {
    max-width: var(--scene-narrow-width);
  }

  .page-scenarios .scene-block--narrow-right {
    margin-inline-start: auto;
  }

  .page-scenarios .scene-block--narrow-right .scene-block__body,
  .page-scenarios .scene-block--narrow-left .scene-block__body {
    padding-inline-start: var(--space-3);
    border-inline-start: var(--border-thin) dashed var(--color-line);
  }

  .page-scenarios .scene-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-scenarios .scene-outro__panel {
    padding: var(--space-8) var(--space-6);
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: var(--space-6);
  }

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

  .page-scenarios .scene-outro__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .scene-index a,
  .page-scenarios .scene-outro__list a {
    transition: none;
  }
}

/* ===== 使用场景页 ===== */
.page-scenarios {
  --scene-panel-border: color-mix(in srgb, var(--color-primary) 42%, transparent);
  --scene-narrow-width: 62%;
  display: block;
}

.page-scenarios .breadcrumbs {
  padding-block: var(--space-3) 0;
}

/* ---------- 首屏 ---------- */
.page-scenarios .scene-hero {
  padding-block: var(--space-3) var(--space-8);
}

.page-scenarios .scene-hero__grid {
  display: grid;
  gap: var(--space-6);
  align-items: end;
}

.page-scenarios .scene-hero__lead {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-scenarios .scene-hero__lead .display-1 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-hero__lead .lead {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

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

.page-scenarios .scene-index a {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  padding: 6px 14px;
  border-radius: var(--radius-pill);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  text-decoration: none;
  transition: border-color 180ms ease-out, color 180ms ease-out, background-color 180ms ease-out;
}

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

.page-scenarios .scene-index__dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--color-primary);
}

/* 首屏主图 */
.page-scenarios .scene-hero__media {
  position: relative;
  margin: 0;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--scene-panel-border);
  box-shadow: var(--shadow-1);
}

.page-scenarios .scene-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: calc(var(--section-y) * 3.2);
  object-fit: cover;
}

.page-scenarios .scene-hero__media .scene-figures {
  position: absolute;
  inset-inline: 0;
  bottom: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
  padding: var(--space-3);
  background: var(--overlay-scrim);
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}

.page-scenarios .scene-figures__item {
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-width: 0;
}

.page-scenarios .scene-figures__item b {
  font-family: var(--font-mono);
  font-size: clamp(var(--text-lg), 3vw, var(--text-2xl));
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: var(--color-contrast-accent);
}

.page-scenarios .scene-figures__item i {
  font-style: normal;
  font-size: var(--text-xs);
  line-height: 1.4;
  color: var(--color-contrast-ink);
}

/* ---------- 场景分组 ---------- */
.page-scenarios .scene-group {
  padding-block: var(--section-y);
  border-top: var(--border-thin) dashed var(--color-line);
}

.page-scenarios .scene-group__head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-scenarios .scene-group__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-scenarios .scene-group__list {
  display: grid;
  gap: var(--space-8);
}

/* ---------- 场景块 ---------- */
.page-scenarios .scene-block {
  display: grid;
  gap: var(--space-4);
  align-items: start;
  min-width: 0;
}

.page-scenarios .scene-block__body {
  display: grid;
  gap: var(--space-3);
  align-content: start;
  min-width: 0;
}

.page-scenarios .scene-block__body h3 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 3.2vw, var(--text-xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-block__media {
  margin: 0;
  display: grid;
  overflow: hidden;
  border-radius: var(--radius-lg);
  border: var(--border-thin) solid var(--color-line);
  box-shadow: var(--shadow-1);
}

.page-scenarios .scene-block__media img {
  display: block;
  width: 100%;
  height: 100%;
  min-height: calc(var(--section-y) * 2.4);
  object-fit: cover;
}

.page-scenarios .scene-flow {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-scenarios .scene-flow__row {
  display: grid;
  gap: 3px;
  padding-block: var(--space-2);
}

.page-scenarios .scene-flow__row + .scene-flow__row {
  border-top: 1px dotted var(--color-line);
}

.page-scenarios .scene-flow dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

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

.page-scenarios .scene-metric {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: var(--space-2) var(--space-3);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  border-inline-start: 2px solid var(--color-accent);
}

.page-scenarios .scene-metric__value {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 600;
  letter-spacing: -0.01em;
  color: var(--color-accent);
}

.page-scenarios .scene-metric__label {
  flex: 1 1 auto;
  min-width: 12ch;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

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

.page-scenarios .scene-block--narrow-right .scene-block__body,
.page-scenarios .scene-block--narrow-left .scene-block__body {
  max-width: var(--measure);
}

.page-scenarios .scene-block--narrow-right .scene-block__body {
  margin-inline-start: auto;
}

.page-scenarios .scene-block--compact {
  padding: var(--space-3);
  border-radius: var(--radius-md);
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
}

.page-scenarios .scene-pair {
  display: grid;
  gap: var(--space-6);
}

/* ---------- 出口区 ---------- */
.page-scenarios .scene-outro {
  padding-block: 0 var(--section-y-lg);
}

.page-scenarios .scene-outro__panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
}

.page-scenarios .scene-outro__head {
  display: grid;
  gap: var(--space-2);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__head h2 {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(var(--text-lg), 4vw, var(--text-2xl));
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-scenarios .scene-outro__list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .scene-outro__list li {
  display: grid;
  gap: 3px;
  padding-block: var(--space-2);
}

.page-scenarios .scene-outro__list li + li {
  border-top: 1px dotted var(--color-line);
}

.page-scenarios .scene-outro__list a {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--scene-panel-border);
  justify-self: start;
  transition: color 180ms ease-out, border-color 180ms ease-out;
}

.page-scenarios .scene-outro__list a:hover,
.page-scenarios .scene-outro__list a:focus-visible {
  color: var(--color-primary);
  border-bottom-color: var(--color-primary);
}

.page-scenarios .scene-outro__list span {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__action {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-4);
  border-top: var(--border-thin) dashed var(--color-line);
  max-width: var(--measure);
}

.page-scenarios .scene-outro__action p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .scene-outro__action .btn {
  justify-self: start;
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-scenarios .scene-flow__row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: var(--space-2);
  }

  .page-scenarios .scene-flow dt {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-scenarios .scene-hero {
    padding-block: var(--space-4) var(--section-y-lg);
  }

  .page-scenarios .scene-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
  }

  .page-scenarios .scene-hero__media {
    margin-bottom: calc(var(--section-y) * -0.55);
    position: relative;
    z-index: 2;
  }

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

  .page-scenarios .scene-block--wide-text {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-scenarios .scene-block--wide-media {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-scenarios .scene-block--wide-media .scene-block__body {
    grid-column: 2;
    grid-row: 1;
  }

  .page-scenarios .scene-block--wide-media .scene-block__media {
    grid-column: 1;
    grid-row: 1;
  }

  .page-scenarios .scene-block--narrow-right,
  .page-scenarios .scene-block--narrow-left {
    max-width: var(--scene-narrow-width);
  }

  .page-scenarios .scene-block--narrow-right {
    margin-inline-start: auto;
  }

  .page-scenarios .scene-block--narrow-right .scene-block__body,
  .page-scenarios .scene-block--narrow-left .scene-block__body {
    padding-inline-start: var(--space-3);
    border-inline-start: var(--border-thin) dashed var(--color-line);
  }

  .page-scenarios .scene-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-scenarios .scene-outro__panel {
    padding: var(--space-8) var(--space-6);
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    column-gap: var(--space-6);
  }

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

  .page-scenarios .scene-outro__list {
    grid-column: 2;
    grid-row: 1 / span 2;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .scene-index a,
  .page-scenarios .scene-outro__list a {
    transition: none;
  }
}