.page-features-advanced {
  --adv-label-width: 190px;
}

/* ---------- 开篇 ---------- */
.page-features-advanced .adv-intro {
  padding-top: var(--space-4);
  padding-bottom: var(--space-8);
}

.page-features-advanced .adv-intro .breadcrumb {
  margin-bottom: var(--space-6);
}

.page-features-advanced .adv-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: var(--space-3) 0 var(--space-4);
  max-width: 22ch;
}

.page-features-advanced .adv-lead {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.55;
  color: var(--color-ink-soft);
  margin: 0;
}

/* ---------- 关键数字带 ---------- */
.page-features-advanced .adv-stats {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-features-advanced .adv-stat {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-stat__value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 0.95;
  letter-spacing: -0.03em;
  color: var(--color-ink);
}

.page-features-advanced .adv-stat__label {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  line-height: 1.4;
  color: var(--color-ink-muted);
}

/* ---------- 章节通用 ---------- */
.page-features-advanced .adv-section-head {
  max-width: var(--measure);
  margin-bottom: var(--space-6);
}

.page-features-advanced .adv-h2 {
  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: var(--space-2) 0 0;
}

.page-features-advanced .adv-prose {
  max-width: var(--measure);
  display: grid;
  gap: var(--space-3);
}

.page-features-advanced .adv-prose p {
  margin: 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-features-advanced .adv-prose .mark {
  background: var(--color-highlight);
  color: var(--color-ink);
  padding: 0 0.15em;
}

/* ---------- 能力分组 ---------- */
.page-features-advanced .adv-group {
  margin-top: var(--space-8);
}

.page-features-advanced .adv-group__head {
  display: flex;
  align-items: baseline;
  gap: var(--space-2);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-group__index {
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
}

.page-features-advanced .adv-h3 {
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-features-advanced .adv-group__desc {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 图片 ---------- */
.page-features-advanced .adv-figure {
  margin: var(--space-4) 0 0;
}

.page-features-advanced .adv-figure .figure__frame {
  overflow: hidden;
  background: var(--color-surface-deep);
}

.page-features-advanced .adv-figure .figure__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
}

.page-features-advanced .adv-figure--track .figure__frame {
  aspect-ratio: 800 / 420;
}

.page-features-advanced .adv-figure--away .figure__frame {
  aspect-ratio: 800 / 520;
}

.page-features-advanced .adv-figure--odds .figure__frame {
  aspect-ratio: 720 / 400;
}

.page-features-advanced .adv-figure .figure__caption {
  margin-top: var(--space-2);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: var(--measure);
}

/* ---------- 字段表 ---------- */
.page-features-advanced .adv-fields {
  margin: var(--space-6) 0 0;
  padding: 0;
}

.page-features-advanced .adv-field {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-3);
  background: transparent;
}

.page-features-advanced .adv-field:nth-child(odd) {
  background: var(--color-surface-alt);
}

.page-features-advanced .adv-field__name {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  letter-spacing: 0.02em;
  line-height: 1.4;
  color: var(--color-ink-muted);
}

.page-features-advanced .adv-field__value {
  margin: 0;
  font-size: var(--text-lg);
  line-height: 1.45;
  color: var(--color-ink);
}

/* ---------- 深色数据区 ---------- */
.page-features-advanced .adv-dark {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
}

.page-features-advanced .adv-dark .adv-h2,
.page-features-advanced .adv-dark .adv-h3 {
  color: var(--color-contrast-ink);
}

.page-features-advanced .adv-dark .eyebrow {
  color: var(--color-contrast-accent);
}

.page-features-advanced .adv-dark .adv-group__desc {
  color: color-mix(in srgb, var(--color-contrast-ink) 74%, var(--color-contrast-surface));
}

.page-features-advanced .adv-dark .adv-group__head {
  border-bottom-color: var(--color-contrast-line);
}

.page-features-advanced .adv-dark .adv-figure .figure__frame {
  background: color-mix(in srgb, var(--color-contrast-ink) 8%, var(--color-contrast-surface));
}

.page-features-advanced .adv-dark .adv-figure .figure__caption {
  color: var(--color-contrast-line);
}

.page-features-advanced .adv-dark .adv-field:nth-child(odd) {
  background: color-mix(in srgb, var(--color-contrast-ink) 8%, transparent);
}

.page-features-advanced .adv-dark .adv-field__name {
  color: color-mix(in srgb, var(--color-contrast-ink) 62%, var(--color-contrast-surface));
}

.page-features-advanced .adv-dark .adv-field__value {
  color: var(--color-contrast-ink);
}

/* ---------- 适用条件 ---------- */
.page-features-advanced .adv-fit {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-6);
  margin-top: var(--space-6);
}

.page-features-advanced .adv-fit__title {
  margin: 0 0 var(--space-3);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-primary);
}

.page-features-advanced .adv-fit__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-features-advanced .adv-fit__list li {
  position: relative;
  padding-left: var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-features-advanced .adv-fit__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: var(--space-2);
  height: var(--border-thin);
  background: var(--color-accent);
}

.page-features-advanced .adv-fit__col--no .adv-fit__list li::before {
  background: var(--color-ink-muted);
}

.page-features-advanced .adv-fit__col--no .adv-fit__list li {
  color: var(--color-ink-soft);
}

/* ---------- 折叠说明 ---------- */
.page-features-advanced .adv-fold {
  margin-top: var(--space-8);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-fold summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-accent);
}

.page-features-advanced .adv-fold summary:hover,
.page-features-advanced .adv-fold summary:focus-visible {
  color: var(--color-focus);
}

.page-features-advanced .adv-fold__body {
  max-width: var(--measure);
  padding-top: var(--space-3);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-features-advanced .adv-fold__body p {
  margin: 0;
}

/* ---------- 相邻主题 ---------- */
.page-features-advanced .adv-links {
  list-style: none;
  margin: var(--space-6) 0 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-links__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-links__link {
  justify-self: start;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-accent);
  text-decoration: none;
  border-bottom: var(--border-thin) solid currentColor;
  transition: color 0.18s ease;
}

.page-features-advanced .adv-links__link:hover,
.page-features-advanced .adv-links__link:focus-visible {
  color: var(--color-focus);
}

.page-features-advanced .adv-links__desc {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-features-advanced .adv-stats {
    grid-template-columns: repeat(2, 1fr);
    gap: var(--space-4) var(--space-6);
  }

  .page-features-advanced .adv-field {
    grid-template-columns: var(--adv-label-width) 1fr;
    gap: var(--space-4);
    align-items: baseline;
    padding: var(--space-3) var(--space-4);
  }

  .page-features-advanced .adv-fit {
    grid-template-columns: 1fr 1fr;
    gap: var(--space-8);
  }

  .page-features-advanced .adv-links__item {
    grid-template-columns: 240px 1fr;
    gap: var(--space-4);
    align-items: baseline;
  }
}

@media (min-width: 1000px) {
  .page-features-advanced .adv-title {
    max-width: 20ch;
  }

  .page-features-advanced .adv-intro {
    padding-top: var(--space-6);
    padding-bottom: var(--section-y);
  }

  .page-features-advanced .adv-group {
    margin-top: var(--space-8);
  }
}
<<<END>>>