/* ===== 能力清单 /capability/ ===== */

.page-features .feat-hero {
  padding: var(--space-6) 0 var(--space-8);
  background: var(--color-surface);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .feat-hero-title {
  margin: var(--space-3) 0 var(--space-3);
  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-features .feat-hero-lede {
  max-width: var(--measure);
  margin: 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .feat-hero-stats {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--border-thin);
  margin-top: var(--space-6);
  background: var(--color-line);
  border: var(--border-thin) solid var(--color-line);
}

.page-features .feat-stat {
  padding: var(--space-3) var(--space-3) var(--space-4);
  background: var(--color-primary-soft);
  min-width: 0;
}

.page-features .feat-stat-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-features .feat-stat-label {
  display: block;
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

/* ---- 主体两栏：索引轨道 + 内容 ---- */

.page-features .feat-layout {
  padding: var(--space-6) 0 var(--space-8);
}

.page-features .feat-main {
  min-width: 0;
}

@media (min-width: 1025px) {
  .page-features .rail {
    position: sticky;
    top: var(--space-8);
    align-self: start;
    max-height: calc(100vh - var(--space-8) * 2);
    overflow-y: auto;
  }
}

/* ---- 能力条目 ---- */

.page-features .feat-cap {
  padding: var(--space-6) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .feat-cap:first-child {
  padding-top: 0;
}

.page-features .feat-cap:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-features .feat-cap-head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .feat-cap-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
  font-variant-numeric: tabular-nums;
}

.page-features .feat-cap-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-features .feat-cap-for {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-features .feat-cap-key {
  display: inline-block;
  margin-right: var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

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

.page-features .feat-cap-body + .feat-cap-body {
  margin-top: var(--space-2);
}

.page-features .feat-cap-body a,
.page-features .feat-step-text a,
.page-features .feat-more a {
  color: var(--color-primary);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-features .feat-cap-body a:hover,
.page-features .feat-step-text a:hover,
.page-features .feat-more a:hover {
  border-bottom: var(--border-thin) solid var(--color-primary);
}

/* 第一步动作条 */

.page-features .feat-step {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-2);
  margin-top: var(--space-4);
  padding: var(--space-2) var(--space-3);
  background: var(--color-surface-alt);
  border-left: 2px solid var(--color-primary);
}

.page-features .feat-step-key {
  flex: none;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  color: var(--color-primary);
}

.page-features .feat-step-text {
  flex: 1 1 24ch;
  min-width: 0;
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink);
}

/* 展开补充 */

.page-features .feat-more {
  margin-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features .feat-more summary {
  padding: var(--space-2) 0;
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
  cursor: pointer;
  list-style: none;
}

.page-features .feat-more summary::-webkit-details-marker {
  display: none;
}

.page-features .feat-more summary::before {
  content: "+ ";
  color: var(--color-primary);
}

.page-features .feat-more[open] summary::before {
  content: "− ";
}

.page-features .feat-more[open] summary {
  color: var(--color-ink-soft);
}

.page-features .feat-more p {
  max-width: var(--measure);
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .feat-more summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

/* ---- 分栏与图片 ---- */

.page-features .feat-cap-cols {
  display: grid;
  grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
  gap: var(--space-4);
  align-items: start;
}

.page-features .feat-cap-cols--reverse {
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr);
}

.page-features .feat-cap-copy {
  min-width: 0;
}

.page-features .feat-media {
  margin: 0;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  overflow: hidden;
}

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

.page-features .feat-media--3x2 { aspect-ratio: 3 / 2; }
.page-features .feat-media--3x4 { aspect-ratio: 3 / 4; }
.page-features .feat-media--16x9 { aspect-ratio: 16 / 9; }

/* ---- 首席替补数字列 ---- */

.page-features .feat-sub-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0;
  margin-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .feat-sub-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  border-right: var(--border-thin) solid var(--color-line);
}

.page-features .feat-sub-row:last-child {
  border-right: 0;
  padding-left: var(--space-3);
}

.page-features .feat-sub-num {
  font-family: var(--font-mono);
  font-size: var(--text-4xl);
  line-height: 1;
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

.page-features .feat-sub-label {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* ---- 换人前后对照 ---- */

.page-features .feat-compare {
  margin-top: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
}

.page-features .feat-switch-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0 0 0 0);
  border: 0;
}

.page-features .feat-switch-tabs {
  display: flex;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features .feat-switch-tab {
  flex: 1 1 0;
  padding: var(--space-2) var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-align: center;
  color: var(--color-ink-muted);
  cursor: pointer;
  border-right: var(--border-thin) solid var(--color-line);
}

.page-features .feat-switch-tab:last-child {
  border-right: 0;
}

.page-features #feat-change-before:checked ~ .feat-switch-tabs [for="feat-change-before"],
.page-features #feat-change-after:checked ~ .feat-switch-tabs [for="feat-change-after"] {
  color: var(--color-primary);
  background: var(--color-primary-soft);
}

.page-features .feat-switch-panel {
  padding: var(--space-4) var(--space-3);
  background: var(--color-surface-alt);
}

.page-features .feat-switch-panel[data-view="after"] {
  display: none;
}

.page-features #feat-change-after:checked ~ .feat-switch-panel[data-view="after"] {
  display: block;
}

.page-features #feat-change-after:checked ~ .feat-switch-panel[data-view="before"] {
  display: none;
}

.page-features .feat-switch-title {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-muted);
}

.page-features .feat-switch-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: var(--space-2) var(--space-4);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-features .feat-switch-list li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-features .feat-switch-list strong {
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-body);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink);
}

/* ---- 牌面时间轴 ---- */

.page-features .feat-cards-layout {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: var(--space-4);
  align-items: start;
  margin-top: var(--space-4);
}

.page-features .feat-timeline {
  position: relative;
  margin: 0;
  padding: 0 0 0 var(--space-4);
  list-style: none;
}

.page-features .feat-timeline::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-2);
  bottom: var(--space-2);
  width: var(--border-thin);
  background: var(--color-line);
}

.page-features .feat-tl-item {
  display: grid;
  grid-template-columns: 4.5em 2.8em minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  position: relative;
}

.page-features .feat-tl-item::before {
  content: "";
  position: absolute;
  left: calc(var(--space-4) * -1);
  top: 1.15em;
  width: var(--space-2);
  height: var(--border-thin);
  background: var(--color-line);
}

.page-features .feat-tl-item:last-child {
  border-bottom: 0;
}

.page-features .feat-tl-minute {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-variant-numeric: tabular-nums;
  color: var(--color-ink-muted);
}

.page-features .feat-tl-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2em;
  padding: 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  line-height: 1.7;
  border-radius: var(--radius-md);
}

.page-features .feat-tl-mark--yellow {
  background: var(--color-highlight);
  color: var(--color-ink);
}

.page-features .feat-tl-mark--red {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-features .feat-tl-text {
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
}

/* ---- 引用片段 ---- */

.page-features .feat-snippet {
  margin: var(--space-4) 0 0;
  padding: var(--space-3);
  background: var(--color-surface-deep);
  border: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1.85;
  color: var(--color-ink);
  white-space: pre;
  overflow-x: auto;
}

.page-features .feat-snippet:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

.page-features .feat-snippet-note {
  max-width: var(--measure);
  margin: var(--space-2) 0 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---- 收口：一场比赛连着用 ---- */

.page-features .feat-outro {
  padding: var(--space-8) 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features .feat-outro-inner {
  display: grid;
  grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
  gap: var(--space-6);
  align-items: center;
}

.page-features .feat-outro-copy {
  min-width: 0;
}

.page-features .feat-outro-kicker {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-contrast-line);
}

.page-features .feat-outro-title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
}

.page-features .feat-outro-copy p {
  max-width: 58ch;
  margin: 0 0 var(--space-2);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.82;
}

.page-features .feat-outro-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.page-features .feat-outro-link {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  color: var(--color-contrast-ink);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--color-contrast-accent);
}

.page-features .feat-outro-link:hover {
  text-decoration-color: var(--color-contrast-ink);
}

.page-features .feat-outro-link:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 3px;
}

.page-features .feat-outro-media {
  border-color: var(--color-contrast-line);
  background: var(--color-contrast-surface);
}

/* ---- 响应式 ---- */

@media (max-width: 1024px) {
  .page-features .feat-outro-inner {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-4);
  }
}

@media (max-width: 900px) {
  .page-features .feat-cap-cols,
  .page-features .feat-cap-cols--reverse,
  .page-features .feat-cards-layout {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-features .feat-cap-cols--reverse .feat-media {
    order: -1;
  }

  .page-features .feat-hero-stats {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-features .feat-sub-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-features .feat-sub-row,
  .page-features .feat-sub-row:last-child {
    border-right: 0;
    padding-left: 0;
  }

  .page-features .feat-sub-row + .feat-sub-row {
    border-top: var(--border-thin) solid var(--color-line);
  }
}

@media (max-width: 640px) {
  .page-features .feat-hero {
    padding-bottom: var(--space-6);
  }

  .page-features .feat-hero-stats {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-features .feat-cap-title {
    font-size: var(--text-xl);
  }

  .page-features .feat-cap-head {
    flex-wrap: wrap;
    gap: var(--space-1);
  }

  .page-features .feat-tl-item {
    grid-template-columns: 4em 2.6em minmax(0, 1fr);
    gap: var(--space-1);
  }

  .page-features .feat-snippet {
    font-size: var(--text-sm);
    padding: var(--space-2);
  }

  .page-features .feat-outro-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .page-features .feat-step {
    padding: var(--space-2);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-features .rail-link,
  .page-features .feat-switch-tab {
    transition: none;
  }
}
</｜｜DSML｜｜ parameter>
</invoke>
</output>