.page-features {
  --cap-wide: min(1240px, 100% - var(--space-6));
  --cap-card-w: clamp(248px, 74vw, 320px);
  padding-bottom: var(--section-y);
}

/* ---------- 面包屑 ---------- */
.page-features .cap-crumbs {
  max-width: var(--container);
  margin-inline: auto;
  padding: var(--space-6) var(--space-3) 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}
.page-features .cap-crumbs a {
  color: var(--color-ink-soft);
  text-decoration: none;
}
.page-features .cap-crumbs a:hover,
.page-features .cap-crumbs a:focus-visible {
  color: var(--color-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-features .cap-crumbs span[aria-hidden="true"] {
  margin-inline: var(--space-1);
  color: var(--color-line);
}
.page-features .cap-crumbs [aria-current="page"] {
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */
.page-features .cap-hero {
  padding-block: calc(var(--section-y) * 0.6) 0;
}
.page-features .cap-hero__kicker {
  margin: 0 0 var(--space-4);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.32em;
  text-transform: uppercase;
  color: var(--color-accent);
}
.page-features .cap-hero__title {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  column-gap: var(--space-6);
  row-gap: var(--space-1);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-display);
  line-height: 1.04;
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-features .cap-hero__plan {
  display: inline-block;
}
.page-features .cap-hero__plan--b {
  font-size: 0.76em;
}
.page-features .cap-hero__plan--c {
  font-size: 0.6em;
  color: var(--color-primary);
}
.page-features .cap-hero__lede {
  max-width: var(--measure);
  margin: var(--space-6) 0 0;
  font-size: var(--text-lg);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 首屏数字组（错落，非等宽四格） ---------- */
.page-features .cap-figures {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin-top: var(--space-8);
  border-top: var(--border-thin) solid var(--color-line);
}
.page-features .cap-figure {
  padding-block: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-features .cap-figure__num {
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 1;
  letter-spacing: 0.01em;
  color: var(--color-ink);
  font-variant-numeric: tabular-nums lining-nums;
}
.page-features .cap-figure__num--sm {
  font-size: var(--text-2xl);
  color: var(--color-ink-soft);
}
.page-features .cap-figure__unit {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-accent);
}
.page-features .cap-figure__note {
  margin: var(--space-2) 0 0;
  max-width: 34ch;
  font-size: var(--text-sm);
  line-height: 1.55;
  color: var(--color-ink-muted);
}

/* ---------- 首屏下方满宽图 ---------- */
.page-features .cap-herofig {
  width: var(--cap-wide);
  margin: var(--space-8) auto 0;
}
.page-features .cap-herofig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  filter: saturate(0.5) contrast(0.96);
}
.page-features .cap-herofig .media__note {
  margin-top: var(--space-2);
}

/* ---------- 宽版内容列 ---------- */
.page-features .cap-wide {
  width: var(--cap-wide);
  margin-inline: auto;
}

/* ---------- 表格 ---------- */
.page-features .cap-table-scroll {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-features .cap-table {
  width: 100%;
  border-collapse: collapse;
  text-align: left;
  font-size: var(--text-sm);
}
.page-features .cap-table thead th {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  padding: var(--space-3) var(--space-3) var(--space-3) 0;
  border-top: var(--border-thin) solid var(--color-ink);
  border-bottom: 3px double var(--color-ink-muted);
  vertical-align: bottom;
}
.page-features .cap-table__corner {
  width: 26%;
}
.page-features .cap-table__grouprow th {
  font-family: var(--font-mono);
  font-weight: var(--weight-body);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
  padding: var(--space-6) var(--space-3) var(--space-2) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-features .cap-table tbody th {
  font-family: var(--font-heading);
  font-weight: var(--weight-body);
  font-size: var(--text-base);
  line-height: 1.4;
  color: var(--color-ink);
  padding: var(--space-3) var(--space-3) var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  vertical-align: top;
}
.page-features .cap-table__id {
  display: block;
  margin-bottom: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-accent);
}
.page-features .cap-table tbody td {
  padding: var(--space-3) var(--space-3) var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
  line-height: 1.55;
  vertical-align: top;
}
.page-features .cap-table tbody tr {
  transition: background-color 160ms ease-out, opacity 160ms ease-out;
}
.page-features .cap-table tbody tr:hover {
  background-color: var(--color-highlight);
}
.page-features .cap-table tbody:hover tr:not(:hover):not(.cap-table__grouprow) {
  opacity: 0.5;
}
.page-features .cap-table-note {
  margin: var(--space-4) 0 0;
  font-size: var(--text-xs);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---------- 阅读体验 ---------- */
.page-features .cap-read__text .prose p {
  margin-top: 0;
}
.page-features .cap-inline-fig {
  margin: var(--space-6) 0 0;
}
.page-features .cap-inline-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  filter: saturate(0.5) contrast(0.96);
}
.page-features .cap-inline-fig .media__note {
  margin-top: var(--space-2);
}

/* ---------- 适配说明图 ---------- */
.page-features .cap-adapt-fig {
  margin: 0 0 var(--space-8);
}
.page-features .cap-adapt-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  filter: saturate(0.5) contrast(0.96);
}
.page-features .cap-adapt-fig .media__note {
  margin-top: var(--space-2);
}

/* ---------- 适配卡片横向轨道 ---------- */
.page-features .cap-track-wrap {
  margin-top: var(--space-6);
}
.page-features .cap-track {
  display: flex;
  gap: var(--space-4);
  margin: 0;
  padding: var(--space-2) var(--space-3) var(--space-6);
  list-style: none;
  overflow-x: auto;
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
}
.page-features .cap-track__item {
  position: relative;
  flex: 0 0 var(--cap-card-w);
  scroll-snap-align: start;
  padding: var(--space-4) var(--space-4) var(--space-4) calc(var(--space-4) + 4px);
  background-color: var(--color-surface-deep);
  transition: background-color 160ms ease-out;
}
.page-features .cap-track__item::before {
  content: "";
  position: absolute;
  inset-block: 0;
  inset-inline-start: 0;
  width: 2px;
  background-color: var(--color-primary);
  transition: width 160ms ease-out, background-color 160ms ease-out;
}
.page-features .cap-track__item:hover,
.page-features .cap-track__item:focus-visible {
  background-color: var(--color-highlight);
}
.page-features .cap-track__item:hover::before,
.page-features .cap-track__item:focus-visible::before {
  width: 4px;
  background-color: var(--color-accent);
}
.page-features .cap-track__id {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.16em;
  color: var(--color-accent);
}
.page-features .cap-track__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}
.page-features .cap-track__do,
.page-features .cap-track__see {
  margin: 0 0 var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-soft);
}
.page-features .cap-track__see {
  margin-bottom: 0;
  color: var(--color-ink-muted);
}
.page-features .cap-track__see span {
  display: inline-block;
  margin-right: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

/* ---------- 服务入口三栏（宽度不等） ---------- */
.page-features .cap-entry {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}
.page-features .cap-entry__col {
  padding-left: var(--space-3);
  border-left: 2px solid var(--color-primary);
}
.page-features .cap-entry__col--c {
  border-left-color: var(--color-accent);
}
.page-features .cap-entry__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}
.page-features .cap-entry__list {
  margin: 0;
}
.page-features .cap-entry__list dt {
  margin-top: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.14em;
  color: var(--color-ink-muted);
}
.page-features .cap-entry__list dt:first-of-type {
  margin-top: 0;
}
.page-features .cap-entry__list dd {
  margin: var(--space-1) 0 0;
  font-size: var(--text-base);
  line-height: 1.6;
  color: var(--color-ink-soft);
}

/* ---------- 三步判断 ---------- */
.page-features .cap-steps {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  counter-reset: cap-step;
  border-top: var(--border-thin) solid var(--color-ink);
}
.page-features .cap-steps__item {
  padding: var(--space-6) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-features .cap-steps__num {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.24em;
  color: var(--color-accent);
}
.page-features .cap-steps__title {
  margin: 0 0 var(--space-3);
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-xl);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
}
.page-features .cap-steps__text {
  margin: 0;
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink-soft);
}
.page-features .cap-choose-fig {
  margin: var(--space-8) 0 0;
}
.page-features .cap-choose-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  filter: saturate(0.5) contrast(0.96);
}
.page-features .cap-choose-fig .media__note {
  margin-top: var(--space-2);
}

/* ---------- 延伸阅读 ---------- */
.page-features .cap-next {
  margin: var(--space-6) 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--border-thin) solid var(--color-line);
}
.page-features .cap-next__item {
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}
.page-features .cap-next__link {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary);
  padding-bottom: 2px;
  transition: color 160ms ease-out, border-color 160ms ease-out;
}
.page-features .cap-next__link:hover,
.page-features .cap-next__link:focus-visible {
  color: var(--color-accent);
  border-bottom-color: var(--color-accent);
}
.page-features .cap-next__text {
  margin: var(--space-2) 0 0;
  max-width: var(--measure);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-muted);
}

/* ---------- 窄屏：表格转纵向对照条 ---------- */
@media (max-width: 767px) {
  .page-features .cap-wide {
    width: 100% - var(--space-6);
  }
  .page-features .cap-table-scroll {
    overflow-x: visible;
  }
  .page-features .cap-table,
  .page-features .cap-table tbody,
  .page-features .cap-table tr,
  .page-features .cap-table th,
  .page-features .cap-table td {
    display: block;
    width: auto;
  }
  .page-features .cap-table {
    border-top: var(--border-thin) solid var(--color-ink);
  }
  .page-features .cap-table thead {
    display: none;
  }
  .page-features .cap-table tbody tr {
    padding: var(--space-4) 0;
    border-top: var(--border-thin) solid var(--color-line);
  }
  .page-features .cap-table tbody tr:first-child {
    border-top: 0;
  }
  .page-features .cap-table__grouprow {
    padding: var(--space-4) 0 var(--space-2);
  }
  .page-features .cap-table__grouprow th {
    padding: 0;
    border-bottom: 0;
  }
  .page-features .cap-table tbody th {
    padding: 0 0 var(--space-3);
    border-bottom: 0;
    font-size: var(--text-lg);
  }
  .page-features .cap-table__id {
    display: inline-block;
    margin: 0 var(--space-1) 0 0;
  }
  .page-features .cap-table tbody td {
    display: grid;
    grid-template-columns: 34% 1fr;
    gap: var(--space-2);
    align-items: baseline;
    padding: 0 0 var(--space-2);
    border-bottom: 0;
  }
  .page-features .cap-table tbody td::before {
    content: attr(data-label);
    font-family: var(--font-mono);
    font-size: var(--text-xs);
    letter-spacing: 0.04em;
    color: var(--color-ink-muted);
  }
  .page-features .cap-table tbody tr:hover {
    background-color: transparent;
  }
  .page-features .cap-table tbody:hover tr:not(:hover):not(.cap-table__grouprow) {
    opacity: 1;
  }
}

/* ---------- 中屏及以上 ---------- */
@media (min-width: 720px) {
  .page-features .cap-hero__plan--b {
    padding-inline-start: var(--space-2);
  }
  .page-features .cap-hero__plan--c {
    padding-inline-start: var(--space-4);
  }
  .page-features .cap-figures {
    grid-template-columns: repeat(12, 1fr);
    column-gap: var(--gutter);
    row-gap: var(--space-6);
    padding-top: var(--space-6);
  }
  .page-features .cap-figure {
    padding-block: 0;
    border-bottom: 0;
  }
  .page-features .cap-figure--a {
    grid-column: 1 / span 5;
  }
  .page-features .cap-figure--b {
    grid-column: 8 / span 5;
    padding-top: var(--space-3);
  }
  .page-features .cap-figure--c {
    grid-column: 2 / span 4;
  }
  .page-features .cap-figure--d {
    grid-column: 7 / span 6;
    padding-top: var(--space-3);
  }
}

@media (min-width: 860px) {
  .page-features .cap-hero {
    padding-block: calc(var(--section-y) * 0.8) 0;
  }
  .page-features .cap-adapt-fig {
    width: 58%;
    margin-left: auto;
    margin-bottom: var(--space-8);
  }
  .page-features .cap-entry {
    grid-template-columns: 5fr 4fr 3fr;
    column-gap: var(--gutter);
    align-items: start;
  }
  .page-features .cap-entry__col--b {
    padding-top: var(--space-6);
  }
  .page-features .cap-entry__col--c {
    padding-top: var(--space-3);
  }
  .page-features .cap-next__item {
    display: grid;
    grid-template-columns: 4fr 7fr;
    column-gap: var(--gutter);
    align-items: baseline;
  }
  .page-features .cap-next__text {
    margin-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-features .cap-hero {
    padding-block: var(--section-y-lg) 0;
  }
  .page-features .cap-track {
    padding-inline: max(var(--space-3), calc((100% - 1240px) / 2));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-features .cap-table tbody tr,
  .page-features .cap-track__item,
  .page-features .cap-track__item::before,
  .page-features .cap-next__link {
    transition: none;
  }
  .page-features .cap-track {
    scroll-snap-type: none;
  }
}