.page-cases-featured {
  --cf-hair: var(--border-thin) solid var(--color-line);
  --cf-hair-deep: var(--border-thin) solid var(--color-contrast-line);
  background: var(--color-surface);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: var(--leading-body);
}

.page-cases-featured a:focus-visible,
.page-cases-featured summary:focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: calc(var(--space-1) / 4);
}

.page-cases-featured .narrow {
  max-width: calc(var(--container) * 0.72);
}

.page-cases-featured .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 面包屑 ---------- */
.page-cases-featured .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-cases-featured .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-cases-featured .breadcrumb__item {
  display: flex;
  align-items: center;
}

.page-cases-featured .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-right: var(--space-2);
  color: var(--color-line);
}

.page-cases-featured .breadcrumb a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: color 140ms ease, border-color 140ms ease;
}

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

/* ---------- 首屏 ---------- */
.page-cases-featured .cf-head {
  padding-block: var(--space-6) var(--space-8);
  background: var(--color-surface);
  border-bottom: var(--cf-hair);
}

.page-cases-featured .cf-kicker {
  display: inline-block;
  margin: var(--space-4) 0 var(--space-3);
  padding: var(--space-1) var(--space-2);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-cases-featured .cf-head h1 {
  margin: 0 0 var(--space-3);
  max-width: 22ch;
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

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

.page-cases-featured .cf-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-cases-featured .cf-facts li {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-bottom: var(--cf-hair);
  font-size: var(--text-base);
}

.page-cases-featured .cf-facts__k {
  flex: 0 0 auto;
  min-width: 4.5em;
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
}

.page-cases-featured .cf-back {
  margin: var(--space-4) 0 0;
  font-size: var(--text-base);
}

.page-cases-featured .cf-back a {
  display: inline-block;
  padding-bottom: calc(var(--space-1) / 4);
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-primary);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-cases-featured .cf-back a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 图片 ---------- */
.page-cases-featured .cf-figure {
  padding-block: var(--space-6);
  background: var(--color-surface);
}

.page-cases-featured .media {
  margin: 0;
}

.page-cases-featured .media__frame {
  border: var(--cf-hair);
  background: var(--color-surface-alt);
  overflow: hidden;
}

.page-cases-featured .media__frame--wide {
  aspect-ratio: 16 / 9;
}

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

.page-cases-featured .media__caption {
  margin-top: var(--space-2);
  max-width: var(--measure);
  color: var(--color-ink-soft);
  font-size: var(--text-sm);
  line-height: 1.7;
}

.page-cases-featured .cf-inline-figure {
  margin-block: var(--space-6);
}

/* ---------- 章节骨架 ---------- */
.page-cases-featured .cf-block {
  padding-block: var(--space-8);
}

.page-cases-featured .cf-block--alt {
  background: var(--color-surface-alt);
}

.page-cases-featured .cf-block--deep {
  background: var(--color-surface-deep);
}

.page-cases-featured .cf-block h2 {
  margin: 0 0 var(--space-3);
  max-width: 24ch;
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
}

.page-cases-featured .prose {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-cases-featured .prose:last-child {
  margin-bottom: 0;
}

.page-cases-featured .prose a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-cases-featured .prose a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 判断标准 ---------- */
.page-cases-featured .cf-verdict {
  margin: var(--space-4) 0;
  padding: var(--space-3) var(--space-3) var(--space-2);
  max-width: var(--measure);
  background: var(--color-primary-soft);
  border-left: var(--border-thick) solid var(--color-primary);
}

.page-cases-featured .cf-verdict__label {
  margin: 0 0 var(--space-2);
}

.page-cases-featured .cf-verdict__text {
  margin: 0;
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

/* ---------- 要点展开层 ---------- */
.page-cases-featured .cf-points {
  margin-top: var(--space-4);
}

.page-cases-featured .point {
  display: block;
  margin-bottom: var(--space-3);
  border: var(--cf-hair);
  background: var(--color-surface);
  transition: border-color 140ms ease, background-color 140ms ease;
}

.page-cases-featured .point:last-child {
  margin-bottom: 0;
}

.page-cases-featured .point:hover {
  border-color: var(--color-ink-soft);
}

.page-cases-featured .point__summary {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: var(--space-2);
  padding: var(--space-3);
  cursor: pointer;
  list-style: none;
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-heading);
}

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

.page-cases-featured .point__num {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.4em;
  height: 2.4em;
  border: var(--cf-hair);
  background: var(--color-surface-deep);
  color: var(--color-ink);
  font-size: var(--text-sm);
  font-weight: 700;
}

.page-cases-featured .point__title {
  align-self: center;
}

.page-cases-featured .point__icon {
  position: relative;
  align-self: center;
  width: var(--space-3);
  height: var(--space-3);
  flex: none;
}

.page-cases-featured .point__icon::before,
.page-cases-featured .point__icon::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 0;
  right: 0;
  height: var(--border-thick);
  background: var(--color-primary);
  transform: translateY(-50%);
}

.page-cases-featured .point__icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform 140ms ease;
}

.page-cases-featured .point[open] .point__icon::after {
  transform: translateY(-50%) rotate(0deg);
}

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

.page-cases-featured .point__body p {
  margin: 0 0 var(--space-2);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-cases-featured .point__body p:last-child {
  margin-bottom: 0;
}

.page-cases-featured .point__body a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-cases-featured .point__body a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 横向深底小结 ---------- */
.page-cases-featured .breather {
  padding-block: var(--space-6);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  border-top: var(--cf-hair-deep);
  border-bottom: var(--cf-hair-deep);
}

.page-cases-featured .breather p {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

/* ---------- 对比表 ---------- */
.page-cases-featured .compare-wrap {
  margin-top: var(--space-4);
  border: var(--cf-hair);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-cases-featured .compare {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: var(--text-base);
}

.page-cases-featured .compare th,
.page-cases-featured .compare td {
  padding: var(--space-2) var(--space-3);
  text-align: left;
  vertical-align: top;
  border-bottom: var(--cf-hair);
  line-height: 1.6;
}

.page-cases-featured .compare thead th {
  background: var(--color-surface-deep);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.page-cases-featured .compare tbody tr {
  transition: background-color 140ms ease;
}

.page-cases-featured .compare tbody tr:hover,
.page-cases-featured .compare tbody tr:focus-within {
  background: var(--color-primary-soft);
}

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

.page-cases-featured .compare th[scope="row"] {
  width: 7em;
  color: var(--color-ink);
  font-weight: 700;
  white-space: nowrap;
}

.page-cases-featured .compare td.is-current {
  background: var(--color-highlight);
  font-weight: 700;
}

.page-cases-featured .cf-compare-note {
  margin: var(--space-4) 0 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-cases-featured .cf-compare-note a {
  color: var(--color-primary);
  font-weight: 700;
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  transition: color 140ms ease, border-color 140ms ease;
}

.page-cases-featured .cf-compare-note a:hover {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}

/* ---------- 结尾出口 ---------- */
.page-cases-featured .cf-exit {
  padding-block: var(--space-8);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-cases-featured .cf-exit h2 {
  margin: 0 0 var(--space-3);
  max-width: 20ch;
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-cases-featured .cf-exit p {
  margin: 0 0 var(--space-3);
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-cases-featured .cf-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
}

.page-cases-featured .cf-exit .btn--primary {
  background: var(--color-primary);
  color: var(--color-primary-ink);
  border-color: var(--color-primary);
}

.page-cases-featured .cf-exit .btn--ghost {
  background: transparent;
  color: var(--color-contrast-ink);
  border-color: var(--color-contrast-line);
}

.page-cases-featured .cf-exit .btn--ghost:hover {
  background: var(--color-contrast-ink);
  color: var(--color-contrast-surface);
  border-color: var(--color-contrast-ink);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-cases-featured .narrow {
    max-width: calc(var(--container) * 0.68);
  }

  .page-cases-featured .cf-head {
    padding-block: var(--space-8) var(--section-y);
  }

  .page-cases-featured .cf-head h1 {
    font-size: var(--text-3xl);
  }

  .page-cases-featured .cf-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 var(--space-4);
    border-top: var(--cf-hair);
  }

  .page-cases-featured .cf-facts li {
    flex-direction: column;
    gap: var(--space-1);
    border-bottom: 0;
    padding-block: var(--space-3);
  }

  .page-cases-featured .cf-block {
    padding-block: var(--section-y);
  }

  .page-cases-featured .cf-block h2 {
    font-size: var(--text-2xl);
  }

  .page-cases-featured .point__summary {
    font-size: var(--text-xl);
  }
}

@media (min-width: 1000px) {
  .page-cases-featured .cf-head h1 {
    max-width: 18ch;
  }

  .page-cases-featured .narrow {
    max-width: min(100%, calc(var(--container) * 0.66));
  }

  .page-cases-featured .cf-inline-figure {
    margin-block: var(--space-8);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-cases-featured * {
    transition: none !important;
  }
}