.page-features {
  --feat-bar-h: 22px;
  --feat-ease: 160ms ease;
}

/* ---------- 首屏 ---------- */
.page-features .feat-hero {
  position: relative;
  padding-block: var(--space-6) var(--space-8);
  overflow: hidden;
}

.page-features .feat-hero::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0;
  width: min(52%, 520px);
  aspect-ratio: 1 / 1;
  background: repeating-linear-gradient(
    118deg,
    color-mix(in srgb, var(--color-accent) 16%, transparent) 0 2px,
    transparent 2px 13px
  );
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-features .feat-hero__inner {
  position: relative;
}

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

.page-features .feat-hero__title {
  font-size: var(--text-display);
  line-height: 0.96;
  letter-spacing: var(--tracking-heading);
  margin: 0 0 var(--space-6);
  max-width: 13ch;
  overflow-wrap: anywhere;
}

.page-features .feat-hero__body {
  display: grid;
  gap: var(--space-6);
}

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

.page-features .feat-figures {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.page-features .feat-figure {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

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

.page-features .feat-figure__num {
  display: block;
  line-height: 1;
  color: var(--color-primary);
  overflow-wrap: anywhere;
}

.page-features .feat-figure--dark .feat-figure__num {
  color: var(--color-contrast-accent);
}

.page-features .feat-figure__label {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.06em;
}

.page-features .feat-figure--dark .feat-figure__label {
  color: var(--color-contrast-ink);
}

/* ---------- 对比条形 ---------- */
.page-features .feat-bars__grid {
  display: grid;
  gap: var(--space-6);
}

.page-features .feat-bar-row {
  display: grid;
  gap: var(--space-2);
}

.page-features .feat-bar-row__label {
  margin: 0;
  font-size: var(--text-xs);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-ink-muted);
}

.page-features .feat-bar-track {
  position: relative;
  height: var(--feat-bar-h);
  background: var(--color-surface-alt);
  border-radius: var(--radius-sm);
  overflow: hidden;
}

.page-features .feat-bar {
  display: flex;
  align-items: center;
  height: 100%;
  width: var(--val, 0%);
  min-width: 0;
  padding-inline-start: var(--space-2);
  transition: width var(--feat-ease);
}

.page-features .feat-bar--soft {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

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

.page-features .feat-bar__val {
  font-size: var(--text-xs);
  white-space: nowrap;
  overflow: hidden;
}

.page-features .feat-bars__figure {
  margin: var(--space-8) 0 0;
}

.page-features .feat-bars__figure .media__caption {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

/* ---------- 对比表 ---------- */
.page-features .feat-group .section-head {
  margin-block-end: var(--space-6);
}

.page-features .feat-table-wrap {
  overflow-x: auto;
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  -webkit-overflow-scrolling: touch;
}

.page-features .feat-table {
  width: 100%;
  min-width: 38em;
  border-collapse: collapse;
  font-size: var(--text-sm);
  line-height: 1.45;
}

.page-features .feat-table th,
.page-features .feat-table td {
  padding: var(--space-3);
  text-align: left;
  vertical-align: top;
  border-inline-start: var(--border-thin) solid var(--color-line);
  border-block-end: var(--border-thin) solid var(--color-line);
}

.page-features .feat-table tr > *:first-child {
  border-inline-start: 0;
}

.page-features .feat-table tbody tr:last-child > * {
  border-block-end: 0;
}

.page-features .feat-table thead th {
  font-family: var(--font-mono);
  font-weight: var(--weight-body);
  font-size: var(--text-xs);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  white-space: nowrap;
}

.page-features .feat-table thead th:nth-child(1) {
  background: var(--color-surface-alt);
  color: var(--color-ink-soft);
}

.page-features .feat-table thead th:nth-child(2) {
  background: var(--color-surface-deep);
  color: var(--color-ink);
}

.page-features .feat-table thead th:nth-child(3) {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-features .feat-table thead th:nth-child(4) {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-features .feat-table tbody th {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-base);
  color: var(--color-ink);
  width: 22%;
}

.page-features .feat-table tbody td {
  color: var(--color-ink-soft);
}

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

.page-features .feat-table tbody tr:hover {
  background: var(--color-primary-soft);
}

.page-features .feat-table tbody td:nth-child(3) {
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--color-primary) 45%, transparent);
}

.page-features .feat-table tbody td:nth-child(4) {
  box-shadow: inset 3px 0 0 color-mix(in srgb, var(--color-accent) 45%, transparent);
}

.page-features .feat-note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
  letter-spacing: 0.04em;
}

/* ---------- 图文咬合 ---------- */
.page-features .feat-pair {
  display: grid;
  gap: var(--space-6);
  margin-block-start: var(--space-8);
}

.page-features .feat-pair .media,
.page-features .feat-group__figure {
  margin: 0;
}

.page-features .feat-pair .media__caption,
.page-features .feat-group__figure .media__caption {
  font-size: var(--text-xs);
  color: var(--color-ink-muted);
}

.page-features .feat-group__figure {
  margin-block-start: var(--space-8);
}

/* ---------- 逐行建议 ---------- */
.page-features .feat-advice__list {
  list-style: none;
  counter-reset: advice;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-features .feat-advice__item {
  counter-increment: advice;
  display: grid;
  gap: var(--space-2);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  transition: background var(--feat-ease), border-color var(--feat-ease);
}

.page-features .feat-advice__item:hover {
  background: var(--color-highlight);
  border-color: var(--color-accent);
}

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

.page-features .feat-advice__rule::before {
  content: counter(advice, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.1em;
  display: block;
  margin-block-end: var(--space-1);
}

.page-features .feat-advice__pick {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-primary);
  letter-spacing: 0.06em;
}

.page-features .feat-advice__foot {
  margin: var(--space-6) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 结尾入口 ---------- */
.page-features .feat-next__grid {
  display: grid;
  gap: var(--space-3);
}

.page-features .feat-next__card {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
  text-decoration: none;
  color: inherit;
  transition: background var(--feat-ease), border-color var(--feat-ease);
}

.page-features .feat-next__card:hover,
.page-features .feat-next__card:focus-visible {
  background: var(--color-contrast-surface);
  border-color: var(--color-contrast-line);
}

.page-features .feat-next__no {
  font-size: var(--text-xs);
  color: var(--color-accent);
  letter-spacing: 0.12em;
}

.page-features .feat-next__card:hover .feat-next__no,
.page-features .feat-next__card:focus-visible .feat-next__no {
  color: var(--color-contrast-accent);
}

.page-features .feat-next__name {
  font-family: var(--font-heading);
  font-weight: var(--weight-heading);
  font-size: var(--text-lg);
  color: var(--color-ink);
}

.page-features .feat-next__card:hover .feat-next__name,
.page-features .feat-next__card:focus-visible .feat-next__name {
  color: var(--color-contrast-ink);
}

.page-features .feat-next__desc {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

.page-features .feat-next__card:hover .feat-next__desc,
.page-features .feat-next__card:focus-visible .feat-next__desc {
  color: var(--color-contrast-ink);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-features .feat-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-features .feat-hero {
    padding-block: var(--space-8) var(--section-y);
  }

  .page-features .feat-hero__body {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
    gap: var(--space-8);
  }

  .page-features .feat-hero__title {
    max-width: 11ch;
  }

  .page-features .feat-figures {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-features .feat-bars__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: var(--space-8);
    row-gap: var(--space-6);
  }

  .page-features .feat-pair {
    grid-template-columns: 7fr 5fr;
    align-items: start;
  }

  .page-features .feat-pair__b {
    margin-block-start: var(--space-8);
  }

  .page-features .feat-advice__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-features .feat-next__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-features .feat-bar,
  .page-features .feat-advice__item,
  .page-features .feat-next__card {
    transition: none;
  }
}

.page-features {
  --val: 1rem;
}