.page-scenarios {
  --sc-gap: var(--space-3);
  --sc-dot: calc(var(--space-1) * 0.75);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  background: var(--color-surface);
}

/* ---------- 首屏 ---------- */

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

.page-scenarios .sc-hero__title {
  margin: var(--space-3) 0 0;
  max-width: 14em;
  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);
}

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

/* ---------- Bento 场景板 ---------- */

.page-scenarios .sc-board {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sc-gap);
  margin-top: var(--space-8);
}

.page-scenarios .sc-board__focus,
.page-scenarios .sc-board__note,
.page-scenarios .sc-board__cell {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  box-shadow: var(--shadow-1);
}

.page-scenarios .sc-board__focus {
  background: var(--color-accent);
  color: var(--color-accent-ink);
  box-shadow: var(--shadow-2);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-2);
}

.page-scenarios .sc-board__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  opacity: 0.82;
}

.page-scenarios .sc-board__figure {
  margin: 0;
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-scenarios .sc-board__num {
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: -0.02em;
}

.page-scenarios .sc-board__unit {
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
}

.page-scenarios .sc-board__sub {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  opacity: 0.9;
}

.page-scenarios .sc-board__note {
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-scenarios .sc-board__note p {
  margin: 0;
}

.page-scenarios .sc-board__note .sc-board__kicker {
  color: var(--color-primary);
  opacity: 1;
}

.page-scenarios .sc-board__cell {
  background: var(--color-primary-soft);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
}

.page-scenarios .sc-board__cell--b {
  background: var(--color-surface-deep);
}

.page-scenarios .sc-board__cell--c {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-scenarios .sc-board__cellnum {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-scenarios .sc-board__cell--b .sc-board__cellnum {
  color: var(--color-accent);
}

.page-scenarios .sc-board__celllabel {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-board__version {
  margin: 0;
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1.1;
  color: var(--color-contrast-accent);
}

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

.page-scenarios .sc-board__cell--c .sc-board__celltext {
  color: var(--color-contrast-ink);
  opacity: 0.86;
}

.page-scenarios .sc-board__celltext span {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-scenarios .sc-board__cell--c .sc-board__celltext span {
  color: var(--color-contrast-ink);
  opacity: 0.7;
}

@media (min-width: 768px) {
  .page-scenarios .sc-board {
    grid-template-columns: repeat(12, minmax(0, 1fr));
  }
  .page-scenarios .sc-board__focus { grid-column: span 7; }
  .page-scenarios .sc-board__note { grid-column: span 5; }
  .page-scenarios .sc-board__cell--a { grid-column: span 3; }
  .page-scenarios .sc-board__cell--b { grid-column: span 3; }
  .page-scenarios .sc-board__cell--c { grid-column: span 6; }
}

/* ---------- 分组区与侧边目录 ---------- */

.page-scenarios .sc-section {
  padding-block: var(--section-y);
}

.page-scenarios .sc-section--alt {
  background: var(--color-surface-alt);
  padding-block: var(--section-y-lg);
}

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

.page-scenarios .sc-toc {
  display: none;
}

.page-scenarios .sc-toc__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-scenarios .sc-toc__link {
  display: block;
  padding: var(--space-1) 0 var(--space-1) var(--space-2);
  border-left: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: color 0.24s ease, border-color 0.24s ease;
}

.page-scenarios .sc-toc__link .mono {
  font-size: var(--text-xs);
  color: var(--color-primary);
  margin-right: var(--space-1);
}

.page-scenarios .sc-toc__link:hover,
.page-scenarios .sc-toc__link:focus-visible {
  color: var(--color-primary);
  border-left-color: var(--color-primary);
}

.page-scenarios .sc-toc__link.is-active {
  color: var(--color-ink);
  font-weight: var(--weight-heading);
  border-left-color: var(--color-accent);
}

.page-scenarios .sc-toc__link--jump {
  margin-top: var(--space-2);
  border-left-style: dashed;
}

@media (min-width: 1024px) {
  .page-scenarios .sc-layout {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 3.6fr);
    gap: var(--space-8);
    align-items: start;
  }
  .page-scenarios .sc-toc {
    display: block;
    position: sticky;
    top: calc(var(--space-8) + var(--space-4));
  }
}

/* ---------- 分组 ---------- */

.page-scenarios .sc-group {
  padding-block: var(--space-6) var(--section-y);
  border-top: calc(var(--border-thick) * 3) solid var(--color-line);
}

.page-scenarios .sc-group:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-scenarios .sc-group__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-2);
}

.page-scenarios .sc-group__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
  font-size: var(--text-sm);
  line-height: 1.1;
}

.page-scenarios .sc-group__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-scenarios .sc-group__text {
  margin: 0 0 var(--space-4);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 组内矩阵 ---------- */

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

@media (min-width: 780px) {
  .page-scenarios .sc-matrix {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-scenarios .sc-span-2 { grid-column: span 2; }
  .page-scenarios .sc-span-3 { grid-column: span 3; }
  .page-scenarios .sc-span-4 { grid-column: span 4; }
  .page-scenarios .sc-span-6 { grid-column: span 6; }
}

.page-scenarios .sc-card {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
  transition: transform 0.32s ease, box-shadow 0.32s ease;
}

.page-scenarios .sc-card--alt {
  background: var(--color-primary-soft);
}

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

.page-scenarios .sc-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
}

.page-scenarios .sc-card__meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-1);
  margin: 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-scenarios .sc-card__ver {
  color: var(--color-accent);
  font-weight: var(--weight-heading);
}

.page-scenarios .sc-card__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

.page-scenarios .sc-card__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: calc(var(--space-1) * 0.75);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-scenarios .sc-card__list li {
  position: relative;
  padding-left: var(--space-3);
}

.page-scenarios .sc-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: var(--sc-dot);
  height: var(--sc-dot);
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-scenarios .sc-card__client {
  margin: var(--space-1) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 视觉模块 ---------- */

.page-scenarios .sc-media {
  position: relative;
  margin: 0;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
  min-height: calc(var(--space-8) * 2);
}

.page-scenarios .sc-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.55) contrast(1.05);
}

.page-scenarios .sc-media::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  mix-blend-mode: multiply;
  background: linear-gradient(
    155deg,
    color-mix(in srgb, var(--color-primary) 32%, transparent) 0%,
    color-mix(in srgb, var(--color-accent) 26%, transparent) 70%
  );
}

/* ---------- 区块标题 ---------- */

.page-scenarios .sc-blockhead {
  margin-bottom: var(--space-6);
}

.page-scenarios .sc-blockhead__badge {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-accent);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  line-height: 1.1;
}

.page-scenarios .sc-blockhead__title {
  margin: var(--space-3) 0 0;
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

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

/* ---------- 场景与客户端对应 ---------- */

.page-scenarios .sc-map {
  border-top: calc(var(--border-thick) * 3) solid var(--color-line);
}

.page-scenarios .sc-map__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-scenarios .sc-map__row--head {
  display: none;
}

.page-scenarios .sc-map__key {
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  color: var(--color-primary);
}

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

.page-scenarios .sc-map__cell[data-label]::before {
  content: attr(data-label);
  display: block;
  margin-bottom: calc(var(--space-1) * 0.5);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-scenarios .sc-map__note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

@media (min-width: 860px) {
  .page-scenarios .sc-map__row {
    grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
    align-items: start;
  }
  .page-scenarios .sc-map__row--head {
    display: grid;
    border-bottom: 0;
    padding-block: var(--space-2);
  }
  .page-scenarios .sc-map__row--head span {
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.08em;
    color: var(--color-ink-muted);
  }
  .page-scenarios .sc-map__cell[data-label]::before {
    display: none;
  }
}

/* ---------- 阅读路径 ---------- */

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

.page-scenarios .sc-path {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding: var(--space-3);
  border-radius: var(--radius-lg);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
  text-decoration: none;
  transition: transform 0.32s ease, box-shadow 0.32s ease, background 0.32s ease;
}

.page-scenarios .sc-path:hover,
.page-scenarios .sc-path:focus-visible {
  transform: translateY(-3px);
  box-shadow: var(--shadow-2);
  background: var(--color-highlight);
}

.page-scenarios .sc-path__kicker {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}

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

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

@media (min-width: 780px) {
  .page-scenarios .sc-paths {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-scenarios .sc-path--w2 { grid-column: span 2; }
  .page-scenarios .sc-path--w3 { grid-column: span 3; }
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 639px) {
  .page-scenarios .sc-hero {
    padding-block: var(--space-8) var(--space-6);
  }
  .page-scenarios .sc-board {
    margin-top: var(--space-6);
  }
  .page-scenarios .sc-board__focus,
  .page-scenarios .sc-board__note,
  .page-scenarios .sc-board__cell {
    padding: var(--space-3);
  }
  .page-scenarios .sc-section,
  .page-scenarios .sc-section--alt {
    padding-block: var(--space-6);
  }
  .page-scenarios .sc-group {
    padding-block: var(--space-4) var(--space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-scenarios .sc-card,
  .page-scenarios .sc-path,
  .page-scenarios .sc-toc__link {
    transition: none;
  }
  .page-scenarios .sc-card:hover,
  .page-scenarios .sc-path:hover,
  .page-scenarios .sc-card:hover,
  .page-scenarios .sc-path:focus-visible {
    transform: none;
  }
}