.page-scenarios {
  --sc-rule: var(--border-thin) solid var(--color-line);
}

/* ---------- 面包屑 ---------- */
.page-scenarios .breadcrumb {
  padding-top: var(--space-4);
}

.page-scenarios .breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-muted);
}

.page-scenarios .breadcrumb li + li::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.page-scenarios .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  padding-bottom: 2px;
}

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

/* ---------- 首屏：图文错位 ---------- */
.page-scenarios .sc-hero {
  padding-top: var(--space-4);
  padding-bottom: var(--space-8);
}

.page-scenarios .sc-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.page-scenarios .sc-hero-text {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.page-scenarios .sc-hero-eyebrow {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  letter-spacing: 0.22em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-hero-heading {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  overflow-wrap: break-word;
}

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

.page-scenarios .sc-hero-media {
  margin: 0;
}

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

.page-scenarios .sc-hero-stats {
  display: flex;
  justify-content: flex-start;
}

.page-scenarios .sc-stats {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3) var(--space-6);
  margin: 0;
  padding: var(--space-3) 0 0;
  list-style: none;
  border-top: var(--sc-rule);
  width: 100%;
}

.page-scenarios .sc-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  min-width: 4.5em;
}

.page-scenarios .sc-stat-num {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-accent);
}

.page-scenarios .sc-stat-label {
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-ink-muted);
}

@media (min-width: 860px) {
  .page-scenarios .sc-hero-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    grid-template-rows: auto auto auto;
    gap: var(--gutter);
  }

  .page-scenarios .sc-hero-media {
    grid-column: 6 / 13;
    grid-row: 1;
  }

  .page-scenarios .sc-hero-text {
    grid-column: 1 / 7;
    grid-row: 2;
    margin-top: calc(-1 * var(--space-8));
    position: relative;
    z-index: 2;
    padding-right: var(--space-3);
  }

  .page-scenarios .sc-hero-stats {
    grid-column: 8 / 13;
    grid-row: 3;
    justify-content: flex-end;
    margin-top: var(--space-4);
  }

  .page-scenarios .sc-stats {
    justify-content: flex-end;
    border-top: 0;
    padding-top: 0;
    gap: var(--space-3) var(--space-6);
  }

  .page-scenarios .sc-stat {
    align-items: flex-end;
    text-align: right;
  }
}

/* ---------- 章节通用 ---------- */
.page-scenarios .section {
  margin-top: var(--section-y);
}

.page-scenarios .sc-hero + .section {
  margin-top: var(--section-y-lg);
}

.page-scenarios .section-head {
  display: grid;
  gap: var(--space-3);
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-scenarios .section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

/* ---------- 四类情境横向带 ---------- */
.page-scenarios .sc-contexts {
  display: grid;
  gap: var(--space-4);
}

.page-scenarios .sc-context {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-ink);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-scenarios .sc-context--2 {
  border-top-color: var(--color-ink-soft);
}

.page-scenarios .sc-context--3 {
  border-top-color: var(--color-ink-muted);
  border-bottom-color: var(--color-line);
}

.page-scenarios .sc-context--4 {
  border-top-color: var(--color-line);
}

.page-scenarios .sc-context-head {
  display: grid;
  gap: var(--space-2);
  align-content: start;
}

.page-scenarios .sc-context-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-context-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

.page-scenarios .sc-context-hint {
  margin: 0;
}

.page-scenarios .sc-context-jump {
  display: inline-block;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-line);
  padding-bottom: 2px;
}

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

.page-scenarios .sc-context-body {
  display: grid;
  gap: var(--space-3);
}

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

.page-scenarios .sc-points {
  display: grid;
  gap: var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--sc-rule);
}

.page-scenarios .sc-points li {
  position: relative;
  padding-left: var(--space-3);
  padding-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.85;
  color: var(--color-ink-soft);
}

.page-scenarios .sc-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-2) + 0.62em);
  width: 5px;
  height: 5px;
  border-radius: var(--radius-sm);
  background: var(--color-ink-muted);
}

@media (min-width: 780px) {
  .page-scenarios .sc-context {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
    gap: var(--space-6);
    padding: var(--space-6);
  }
}

/* ---------- 场景条目带 ---------- */
.page-scenarios .sc-flow-media {
  margin: 0 0 var(--space-6);
}

.page-scenarios .media-frame {
  display: block;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-sm);
}

.page-scenarios .media-frame img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-sm);
}

.page-scenarios .media-caption {
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: 1.8;
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

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

.page-scenarios .sc-group {
  display: grid;
  gap: var(--space-4);
}

.page-scenarios .sc-group--1 {
  --sc-group-gap: var(--space-4);
  --sc-rail: var(--color-ink-soft);
}

.page-scenarios .sc-group--2 {
  --sc-group-gap: var(--space-6);
  --sc-rail: var(--color-ink-muted);
}

.page-scenarios .sc-group--3 {
  --sc-group-gap: var(--space-8);
  --sc-rail: var(--color-line);
}

.page-scenarios .sc-group--4 {
  --sc-group-gap: var(--space-8);
  --sc-rail: var(--color-line);
}

.page-scenarios .sc-group-title {
  margin: 0;
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  letter-spacing: 0.08em;
  color: var(--color-ink);
}

.page-scenarios .sc-track {
  position: relative;
  padding-left: var(--space-4);
  border-left: var(--border-thin) solid var(--sc-rail);
  display: grid;
  gap: var(--space-3);
}

.page-scenarios .sc-track + .sc-track {
  margin-top: var(--sc-group-gap);
}

.page-scenarios .sc-track::before {
  content: "";
  position: absolute;
  left: -3px;
  top: 0.55em;
  width: 5px;
  height: 5px;
  border-radius: var(--radius-sm);
  background: var(--color-ink-muted);
}

.page-scenarios .sc-track:hover::before,
.page-scenarios .sc-track:focus-within::before {
  background: var(--color-primary);
}

.page-scenarios .sc-track-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-2) var(--space-3);
}

.page-scenarios .sc-track-no {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-track-title {
  margin: 0;
  flex: 1 1 12em;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

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

.page-scenarios .sc-field dt {
  font-size: var(--text-sm);
  letter-spacing: 0.1em;
  color: var(--color-ink-muted);
}

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

@media (min-width: 720px) {
  .page-scenarios .sc-field {
    grid-template-columns: 6.5em minmax(0, 1fr);
    gap: var(--space-2);
    align-items: baseline;
  }
}

.page-scenarios .sc-track-details {
  border-top: var(--sc-rule);
  padding-top: var(--space-2);
}

.page-scenarios .sc-track-summary {
  cursor: pointer;
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  list-style: none;
  padding: var(--space-1) 0;
}

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

.page-scenarios .sc-track-summary::before {
  content: "+";
  display: inline-block;
  width: 1.4em;
  font-family: var(--font-mono);
  color: var(--color-ink-muted);
}

.page-scenarios .sc-track-details[open] .sc-track-summary::before {
  content: "−";
  color: var(--color-primary);
}

.page-scenarios .sc-track-summary:hover,
.page-scenarios .sc-track-summary:focus-visible {
  color: var(--color-ink);
}

.page-scenarios .sc-track-details[open] .sc-track-summary {
  color: var(--color-ink);
}

.page-scenarios .expand-body {
  padding: var(--space-2) 0 var(--space-1) var(--space-3);
  border-left: var(--sc-rule);
}

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

.page-scenarios .expand-body a {
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 1px;
}

.page-scenarios .expand-body a:hover,
.page-scenarios .expand-body a:focus-visible {
  color: var(--color-primary);
}

/* ---------- 卡点与替代做法 ---------- */
.page-scenarios .sc-block-layout {
  display: grid;
  gap: var(--space-6);
}

.page-scenarios .sc-block-media {
  margin: 0;
}

.page-scenarios .sc-block-list {
  display: grid;
  gap: var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-scenarios .sc-block-item {
  display: grid;
  gap: var(--space-2);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

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

.page-scenarios .sc-block-badge {
  justify-self: start;
}

.page-scenarios .sc-block-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}

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

@media (min-width: 900px) {
  .page-scenarios .sc-block-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-8);
    align-items: start;
  }
}

/* ---------- 延伸入口 ---------- */
.page-scenarios .sc-more {
  display: grid;
  gap: var(--space-6);
}

.page-scenarios .sc-more-intro {
  display: grid;
  gap: var(--space-3);
  align-content: start;
}

.page-scenarios .sc-more-intro .section-note {
  max-width: var(--measure);
}

.page-scenarios .sc-more-media {
  margin: var(--space-2) 0 0;
}

.page-scenarios .sc-more-list {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--sc-rule);
}

.page-scenarios .sc-more-item {
  border-bottom: var(--sc-rule);
}

.page-scenarios .sc-more-link {
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4) var(--space-2) var(--space-4) 0;
  text-decoration: none;
  transition: background-color 220ms ease-out, padding-left 220ms ease-out;
}

.page-scenarios .sc-more-label {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: 0.06em;
  color: var(--color-ink);
}

.page-scenarios .sc-more-desc {
  font-size: var(--text-base);
  line-height: 1.9;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

.page-scenarios .sc-more-link:hover,
.page-scenarios .sc-more-link:focus-visible {
  background: var(--color-surface-alt);
  padding-left: var(--space-3);
}

.page-scenarios .sc-more-link:hover .sc-more-label,
.page-scenarios .sc-more-link:focus-visible .sc-more-label {
  color: var(--color-primary);
}

@media (min-width: 900px) {
  .page-scenarios .sc-more {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: var(--space-8);
    align-items: start;
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .sc-more-link {
    transition: none;
  }
}
<<<END>>>