.page-cases-featured {
  --fs-rail: 200px;
  --fs-shadow: none;
  display: block;
  background: var(--color-surface);
  color: var(--color-ink);
}

.page-cases-featured .breadcrumb {
  padding: var(--space-3) 0 0;
}

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

.page-cases-featured .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
  font-family: var(--font-mono);
}

.page-cases-featured .breadcrumb-item a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--color-line);
  padding-bottom: 2px;
}

.page-cases-featured .breadcrumb-item a:hover {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

/* ---------- 首屏声明区 ---------- */

.page-cases-featured .fs-intro {
  padding: var(--space-4) 0 var(--space-6);
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-cases-featured .fs-title {
  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);
  margin: var(--space-2) 0 var(--space-3);
  max-width: 24ch;
}

.page-cases-featured .lede {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.62;
  color: var(--color-ink-soft);
  margin: 0;
}

.page-cases-featured .fs-meta {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-cases-featured .fs-meta li {
  border-top: var(--border-thin) solid var(--color-primary);
  padding-top: var(--space-2);
  min-width: 0;
}

.page-cases-featured .fs-meta-k {
  display: block;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-bottom: 2px;
}

.page-cases-featured .fs-meta-v {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-ink);
}

.page-cases-featured .tick-strip {
  margin-top: var(--space-4);
  height: calc(var(--space-1) + 2px);
  background-image: repeating-linear-gradient(
    to right,
    var(--color-line) 0,
    var(--color-line) 1px,
    transparent 1px,
    transparent 16px
  );
}

/* ---------- 章节头 ---------- */

.page-cases-featured .fs-section .section-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-ink);
  margin-bottom: var(--space-4);
}

.page-cases-featured .section-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-4xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--color-primary);
  margin: 0;
  transition: color 140ms linear;
}

.page-cases-featured .section-kicker {
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-1);
}

.page-cases-featured .section-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-cases-featured .section-lede {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--color-ink-soft);
  margin: var(--space-2) 0 0;
}

.page-cases-featured .fs-section[data-active] .section-num {
  color: var(--color-accent);
}

.page-cases-featured .fs-section[data-active] .section-title {
  box-shadow: inset 0 -6px 0 var(--color-primary-soft);
}

/* ---------- 01 范围 ---------- */

.page-cases-featured .fs-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-cases-featured .fs-col--aside {
  order: 2;
}

.page-cases-featured .fs-aside-card {
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-left: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  padding: var(--space-3);
}

.page-cases-featured .fs-aside-label {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-1);
}

.page-cases-featured .fs-aside-value {
  font-family: var(--font-mono);
  font-size: var(--text-xl);
  font-weight: 700;
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-cases-featured .fs-aside-note {
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-3);
}

.page-cases-featured .fs-aside-link {
  display: inline-block;
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 2px;
}

.page-cases-featured .fs-col--main p {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-cases-featured .fs-col--main p:last-child {
  margin-bottom: 0;
}

.page-cases-featured .fs-col--main a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
}

/* ---------- 02 字段定义 ---------- */

.page-cases-featured .fs-fields-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-cases-featured .fs-fields-main {
  min-width: 0;
}

.page-cases-featured .fs-fields-grid > * {
  grid-column: auto / span 1;
}

.page-cases-featured .field-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-line);
}

.page-cases-featured .field-item:first-child {
  border-top: var(--border-thin) solid var(--color-ink);
  padding-top: var(--space-3);
}

.page-cases-featured .field-name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-1);
}

.page-cases-featured .field-badge {
  display: inline-block;
  font-size: var(--text-xs);
  font-weight: 600;
  color: var(--color-primary);
  background: var(--color-primary-soft);
  border-radius: var(--radius-sm);
  padding: 2px var(--space-1);
  margin: 0;
}

.page-cases-featured .field-main {
  min-width: 0;
}

.page-cases-featured .field-meta {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
  margin: 0 0 var(--space-3);
  padding: 0 0 0 var(--space-2);
  border-left: var(--border-thin) solid var(--color-accent);
}

.page-cases-featured .field-meta > div {
  display: grid;
  grid-template-columns: 6.5em minmax(0, 1fr);
  gap: var(--space-1);
}

.page-cases-featured .field-meta dt {
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink-muted);
}

.page-cases-featured .field-meta dd {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink);
  font-variant-numeric: tabular-nums;
}

.page-cases-featured .field-main > p {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.72;
  color: var(--color-ink);
}

.page-cases-featured .fs-steps {
  list-style: none;
  counter-reset: fsstep;
  margin: var(--space-3) 0 0;
  padding: 0;
  max-width: var(--measure);
  display: grid;
  gap: 0;
}

.page-cases-featured .fs-steps li {
  counter-increment: fsstep;
  display: grid;
  grid-template-columns: 2.6em minmax(0, 1fr);
  gap: var(--space-2);
  align-items: baseline;
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  padding: var(--space-1) 0;
  border-bottom: 1px solid var(--color-line);
}

.page-cases-featured .fs-steps li::before {
  content: counter(fsstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--color-primary);
}

.page-cases-featured .misread {
  margin-top: var(--space-3);
  max-width: var(--measure);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.page-cases-featured .misread summary {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  font-weight: 600;
  color: var(--color-ink);
  cursor: pointer;
  list-style: none;
}

.page-cases-featured .misread summary::-webkit-details-marker {
  display: none;
}

.page-cases-featured .misread summary::before {
  content: "+";
  flex: none;
  width: 1.2em;
  text-align: center;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  line-height: 1;
  color: var(--color-primary);
}

.page-cases-featured .misread[open] summary::before {
  content: "\2013";
}

.page-cases-featured .misread[open] summary {
  background: var(--color-primary-soft);
  border-bottom: 1px solid var(--color-line);
}

.page-cases-featured .misread p {
  margin: 0;
  padding: var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.78;
  color: var(--color-ink-soft);
}

/* ---------- 图片容器 ---------- */

.page-cases-featured .fs-figure {
  margin: 0;
}

.page-cases-featured .media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-sm);
  background: var(--color-contrast-surface);
}

.page-cases-featured .media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-cases-featured .fs-media--3x2 { aspect-ratio: 3 / 2; }
.page-cases-featured .fs-media--16x9 { aspect-ratio: 16 / 9; }

.page-cases-featured .media-caption {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
  line-height: 1.72;
  color: var(--color-ink-muted);
}

/* ---------- 03 读表方法 ---------- */

.page-cases-featured .fs-read-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-cases-featured .fs-read-card {
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-top: var(--border-thick) solid var(--color-primary);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.page-cases-featured .fs-read-card--dark {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
  border-top-color: var(--color-contrast-accent);
}

.page-cases-featured .fs-read-kicker {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  letter-spacing: 0.1em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

.page-cases-featured .fs-read-card--dark .fs-read-kicker {
  color: var(--color-contrast-accent);
}

.page-cases-featured .fs-read-title {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  margin: 0 0 var(--space-2);
  color: inherit;
}

.page-cases-featured .fs-read-card > p {
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: 1.74;
  color: inherit;
}

.page-cases-featured .fs-read-figures {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-line);
}

.page-cases-featured .fs-read-card--dark .fs-read-figures {
  border-top-color: var(--color-contrast-line);
}

.page-cases-featured .fs-read-figures dt {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  margin-bottom: var(--space-1);
  line-height: 1.5;
}

.page-cases-featured .fs-read-card--dark .fs-read-figures dt {
  color: var(--color-contrast-ink);
  opacity: 0.78;
}

.page-cases-featured .fs-read-figures dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
  color: var(--color-accent);
}

.page-cases-featured .fs-read-card--dark .fs-read-figures dd {
  color: var(--color-contrast-accent);
}

.page-cases-featured .fs-read-note {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
}

.page-cases-featured .fs-read-card--dark .fs-read-note {
  border-top-color: var(--color-contrast-line);
  color: var(--color-contrast-ink);
  opacity: 0.88;
}

.page-cases-featured .fs-figure--wide {
  margin-top: var(--space-6);
}

/* ---------- 04 适用边界 ---------- */

.page-cases-featured .fs-bound-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-cases-featured .fs-bound {
  padding: var(--space-3);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
}

.page-cases-featured .fs-bound:first-child {
  border-left: var(--border-thick) solid var(--color-primary);
}

.page-cases-featured .fs-bound-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);
  margin: 0 0 var(--space-2);
}

.page-cases-featured .fs-bound-mark {
  margin: 0 0 var(--space-3);
}

.page-cases-featured .status {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-size: var(--text-sm);
  font-weight: 600;
  padding: 2px var(--space-1);
  border: var(--border-thin) solid currentColor;
  border-radius: var(--radius-sm);
  line-height: 1.5;
}

.page-cases-featured .status-mark {
  flex: none;
  width: 10px;
  height: 10px;
  background: currentColor;
}

.page-cases-featured .status--live { color: var(--color-primary); }

.page-cases-featured .status--void { color: var(--color-ink-soft); }

.page-cases-featured .status--void .status-mark {
  background: transparent;
  border: var(--border-thin) solid currentColor;
}

.page-cases-featured .status--pending { color: var(--color-ink-muted); }

.page-cases-featured .status--pending .status-mark {
  background: transparent;
  border: var(--border-thin) dashed currentColor;
}

.page-cases-featured .fs-bound-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-cases-featured .fs-bound-list li {
  position: relative;
  padding: var(--space-2) 0 var(--space-2) var(--space-3);
  border-top: 1px solid var(--color-line);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink);
}

.page-cases-featured .fs-bound-list li:first-child {
  border-top: var(--border-thin) solid var(--color-ink);
}

.page-cases-featured .fs-bound-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: calc(var(--space-2) + 0.6em);
  width: 8px;
  height: 8px;
  background: var(--color-primary);
}

.page-cases-featured .fs-bound:last-child .fs-bound-list li::before {
  background: var(--color-ink-muted);
}

.page-cases-featured .fs-bounds-tail {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: 1px solid var(--color-line);
}

.page-cases-featured .fs-bounds-tail p {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-cases-featured .fs-bounds-tail p:last-child {
  margin-bottom: 0;
}

.page-cases-featured .fs-bounds-tail a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  font-weight: 600;
}

/* ---------- 05 赛季对照 ---------- */

.page-cases-featured .fs-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
}

.page-cases-featured .fs-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-cases-featured .fs-table caption {
  caption-side: top;
  text-align: left;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  border-bottom: 1px solid var(--color-line);
  background: var(--color-surface-deep);
}

.page-cases-featured .fs-table th,
.page-cases-featured .fs-table td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  border-bottom: 1px solid var(--color-line);
  vertical-align: baseline;
}

.page-cases-featured .fs-table thead th {
  border-bottom: var(--border-thin) solid var(--color-ink);
  font-weight: 600;
  color: var(--color-ink);
  white-space: nowrap;
}

.page-cases-featured .fs-table tbody th {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  color: var(--color-ink);
}

.page-cases-featured .fs-table tbody tr:nth-child(even) {
  background: var(--color-surface-alt);
}

.page-cases-featured .fs-table tbody tr:last-child th,
.page-cases-featured .fs-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-cases-featured .fs-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-cases-featured .fs-compare-tail {
  margin-top: var(--space-4);
}

.page-cases-featured .fs-compare-tail p {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-cases-featured .fs-compare-tail p:last-child {
  margin-bottom: 0;
}

/* ---------- 06 相邻主题 ---------- */

.page-cases-featured .fs-next-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-cases-featured .fs-next-item {
  border-top: 1px solid var(--color-line);
}

.page-cases-featured .fs-next-item:first-child {
  border-top: var(--border-thin) solid var(--color-ink);
}

.page-cases-featured .fs-next-link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-3) var(--space-2);
  text-decoration: none;
  color: var(--color-ink);
  border-left: 0 solid var(--color-primary);
  transition: background-color 140ms linear, border-left-width 140ms linear;
}

.page-cases-featured .fs-next-link:hover {
  background: var(--color-primary-soft);
  border-left-width: var(--border-thick);
}

.page-cases-featured .fs-next-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-base);
  font-weight: 700;
  color: var(--color-primary);
}

.page-cases-featured .fs-next-body {
  display: block;
  min-width: 0;
}

.page-cases-featured .fs-next-body strong {
  display: block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  margin-bottom: var(--space-1);
}

.page-cases-featured .fs-next-body span {
  display: block;
  font-size: var(--text-sm);
  line-height: 1.72;
  color: var(--color-ink-soft);
  max-width: var(--measure);
}

/* ---------- 焦点态 ---------- */

.page-cases-featured :where(a, summary, [tabindex]):focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-cases-featured .fs-meta {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-cases-featured .fs-bound-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-cases-featured .fs-read-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--gutter);
  }
}

@media (min-width: 900px) {
  .page-cases-featured .section-head {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: var(--gutter);
  }

  .page-cases-featured .fs-intro {
    padding: var(--space-6) 0 var(--space-8);
  }

  .page-cases-featured .fs-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: var(--gutter);
    align-items: start;
  }

  .page-cases-featured .fs-col--aside {
    order: 0;
  }

  .page-cases-featured .fs-fields-grid {
    grid-template-columns: minmax(0, 2fr) minmax(0, 1fr);
    gap: var(--gutter);
    align-items: start;
  }

  .page-cases-featured .field-item {
    grid-template-columns: var(--fs-rail) minmax(0, 1fr);
    column-gap: var(--space-3);
  }

  .page-cases-featured .field-rail {
    position: sticky;
    top: var(--space-6);
    align-self: start;
  }

  .page-cases-featured .fs-figure--sticky {
    position: sticky;
    top: var(--space-8);
  }

  .page-cases-featured .fs-next-link {
    grid-template-columns: 64px minmax(0, 1fr);
    padding: var(--space-4) var(--space-3);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-cases-featured .section-num,
  .page-cases-featured .fs-next-link {
    transition: none;
  }
}
</main>