/* ===== 核心能力 /capability/ ===== */
.page-features {
  --feat-radius: var(--space-3);
  overflow-x: clip;
}

/* ---- 面包屑与首屏 ---- */
.page-features .feat-hero {
  padding-block: var(--space-4) var(--space-8);
}

.page-features .feat-hero .crumbs {
  margin-block-end: var(--space-4);
}

.page-features .feat-hero__kicker {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink-muted);
  margin: 0 0 var(--space-2);
}

.page-features .feat-hero__title {
  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);
  margin: 0 0 var(--space-3);
}

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

.page-features .feat-hero__note {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
  max-width: var(--measure);
  margin: 0;
}

.page-features .feat-rail {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2) var(--space-4);
}

.page-features .feat-rail__item {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink-soft);
  display: flex;
  align-items: baseline;
  gap: var(--space-1);
}

.page-features .feat-rail__n {
  color: var(--color-primary);
  font-weight: var(--weight-heading);
}

/* 大数字组 */
.page-features .feat-figures {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: var(--space-4) 0 0;
  border-top: var(--border-thin) dotted var(--color-line);
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.page-features .feat-figure__n {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

.page-features .feat-figure--accent .feat-figure__n {
  color: var(--color-accent);
}

.page-features .feat-figure__k {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

/* 胶囊标签墙 */
.page-features .feat-pillwall {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.page-features .feat-pill {
  font-size: var(--text-sm);
  text-decoration: none;
}

.page-features .feat-pill__n {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
  margin-inline-end: var(--space-1);
}

/* ---- 分组分隔刻度 ---- */
.page-features .feat-rule {
  height: 0;
  border-top: var(--border-thin) dotted var(--color-line);
}

.page-features .feat-rule--w1 { width: 100%; }
.page-features .feat-rule--w2 { width: 76%; }
.page-features .feat-rule--w3 { width: 52%; }
.page-features .feat-rule--w4 { width: 30%; }

/* ---- 分组折叠面板 ---- */
.page-features .feat-group {
  padding-block: var(--space-6);
}

.page-features .feat-group__head {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-bottom: var(--border-thin) dotted var(--color-line);
}

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

.page-features .feat-group__head::after {
  content: "";
  margin-inline-start: auto;
  width: var(--space-2);
  height: var(--space-2);
  border-right: var(--border-thick) solid var(--color-ink-muted);
  border-bottom: var(--border-thick) solid var(--color-ink-muted);
  transform: rotate(45deg);
  transition: transform 220ms ease-out;
}

.page-features .feat-group[open] > .feat-group__head::after {
  transform: rotate(-135deg);
}

.page-features .feat-group__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-features .feat-group__meta {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink-muted);
}

.page-features .feat-status {
  margin-block: var(--space-3);
}

.page-features .feat-group__content {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

/* ---- 条目 ---- */
.page-features .feat-entries {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-3);
  align-content: start;
}

.page-features .feat-entry {
  scroll-margin-top: var(--space-8);
  background: var(--color-surface);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--feat-radius);
  padding: var(--space-3);
  box-shadow:
    inset 0 1px 0 0 color-mix(in srgb, var(--color-primary-ink) 72%, transparent),
    inset 0 0 0 1px color-mix(in srgb, var(--color-primary) 6%, transparent);
}

.page-features .feat-entry__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: var(--space-2);
  margin-block-end: var(--space-2);
}

.page-features .feat-entry__code {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
}

.page-features .feat-entry__state {
  position: relative;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-heading);
  white-space: nowrap;
}

.page-features .feat-entry__state .tag__hint {
  position: absolute;
  inset-inline-end: 0;
  top: calc(100% + var(--space-1));
  z-index: 3;
  display: none;
  width: max-content;
  max-width: min(72vw, calc(var(--space-8) * 3.5));
  padding: var(--space-1) var(--space-2);
  border-radius: var(--feat-radius);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-xs);
  line-height: var(--leading-body);
  white-space: normal;
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 12%, transparent);
}

.page-features .feat-entry__state:hover .tag__hint,
.page-features .feat-entry__state:focus-within .tag__hint {
  display: block;
}

.page-features .feat-entry__name {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

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

.page-features .feat-entry__meta {
  margin: var(--space-3) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) dotted var(--color-line);
  display: grid;
  gap: var(--space-2);
}

.page-features .feat-entry__meta dt {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink-muted);
}

.page-features .feat-entry__meta dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-features .feat-entry__link {
  display: inline-block;
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: var(--tracking-heading);
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thick) solid var(--color-accent);
  padding-bottom: var(--space-1);
}

.page-features .feat-entry__link:hover {
  color: var(--color-accent);
}

/* ---- 配图：去边直角 ---- */
.page-features .feat-media {
  margin: 0;
  border-radius: 0;
  overflow: hidden;
  background: var(--color-surface-alt);
  aspect-ratio: auto;
}

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

.page-features .feat-media__cap {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-2);
  background: var(--color-surface-alt);
  border-top: var(--border-thin) dotted var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink-muted);
}

.page-features .feat-media__cap span {
  color: var(--color-primary);
}

/* ---- 交付流程（深色停顿面板） ---- */
.page-features .feat-flow {
  background-color: var(--color-contrast-surface);
  background-image:
    radial-gradient(circle at 10% 14%, color-mix(in srgb, var(--color-contrast-accent) 16%, transparent), transparent 44%),
    radial-gradient(circle at 90% 86%, color-mix(in srgb, var(--color-primary) 26%, transparent), transparent 48%);
  color: var(--color-contrast-ink);
  padding-block: var(--space-8);
}

.page-features .feat-flow__head {
  display: grid;
  gap: var(--space-2);
  justify-items: start;
}

.page-features .feat-flow__title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
  margin: 0;
}

.page-features .feat-flow__lead {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.78;
  max-width: var(--measure);
  margin: 0;
}

.page-features .feat-flow__list {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-features .feat-flow__step {
  border-top: var(--border-thin) dotted var(--color-contrast-line);
  padding-top: var(--space-2);
}

.page-features .feat-flow__n {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-accent);
}

.page-features .feat-flow__name {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-ink);
  margin: var(--space-1) 0;
}

.page-features .feat-flow__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
  opacity: 0.78;
  margin: 0;
}

.page-features .feat-flow__time {
  display: inline-block;
  margin-top: var(--space-2);
  padding: calc(var(--space-1) / 2) var(--space-2);
  border: var(--border-thin) solid var(--color-contrast-line);
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-accent);
}

/* ---- 行动出口 ---- */
.page-features .feat-exit {
  padding-block: var(--space-8);
}

.page-features .feat-exit__panel {
  display: grid;
  gap: var(--space-4);
  padding: var(--space-6) var(--space-3);
  border-radius: var(--feat-radius);
  background: var(--color-primary-soft);
  box-shadow: inset 0 1px 0 0 color-mix(in srgb, var(--color-primary-ink) 70%, transparent);
}

.page-features .feat-exit__title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

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

.page-features .feat-exit__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

/* ---- 滚动显现降级 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-features .feat-group__head::after {
    transition: none;
  }
}

/* ---- 窄屏微调 ---- */
@media (max-width: 520px) {
  .page-features .feat-figures {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-3);
  }

  .page-features .feat-figure {
    display: flex;
    align-items: baseline;
    gap: var(--space-2);
  }

  .page-features .feat-figure__k {
    margin-top: 0;
  }
}

/* ---- 中大屏：非对称分栏 ---- */
@media (min-width: 760px) {
  .page-features .feat-hero__grid {
    display: grid;
    grid-template-columns: minmax(0, 1fr) auto;
    gap: var(--space-6);
    align-items: start;
  }

  .page-features .feat-rail {
    flex-direction: column;
    flex-wrap: nowrap;
    margin-top: 0;
    padding-inline-start: var(--space-3);
    border-inline-start: var(--border-thin) dotted var(--color-line);
    gap: var(--space-3);
  }

  .page-features .feat-group__content {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--space-4);
    align-items: start;
  }

  .page-features .feat-group--flip .feat-group__content {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-features .feat-group--flip .feat-entries {
    order: 2;
  }

  .page-features .feat-group--flip .feat-media {
    order: 1;
  }

  .page-features .feat-entries--duo {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-features .feat-group--flip .feat-entries--duo {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.55fr);
  }

  .page-features .feat-entry {
    padding: var(--space-4);
  }

  .page-features .feat-exit__panel {
    padding: var(--space-6);
  }
}

@media (min-width: 1000px) {
  .page-features .feat-group__title {
    font-size: var(--text-3xl);
  }

  .page-features .feat-hero {
    padding-block: var(--space-6) var(--section-y-lg);
  }

  .page-features .feat-flow {
    padding-block: var(--section-y-lg);
  }

  .page-features .feat-flow__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: var(--space-2);
  }

  .page-features .feat-exit__panel {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
    align-items: center;
  }
}
<<<END>>>