.page-features-advanced .adv-intro-head {
  display: grid;
  gap: var(--space-2);
  max-width: 68ch;
  margin-bottom: var(--space-6);
}

.page-features-advanced .breadcrumb {
  margin-bottom: var(--space-4);
  font-size: var(--text-sm);
}

.page-features-advanced .adv-intro h1 {
  margin: 0;
  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);
}

@media (min-width: 760px) {
  .page-features-advanced .adv-intro h1 {
    font-size: var(--text-2xl);
  }
}

@media (min-width: 1100px) {
  .page-features-advanced .adv-intro h1 {
    font-size: var(--text-3xl);
  }
}

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

.page-features-advanced .adv-figure-frame {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius-lg);
  background: var(--color-surface-deep);
  box-shadow: var(--shadow-1);
}

.page-features-advanced .adv-figure-frame .figure-media {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-features-advanced .adv-feature-figure {
  margin: 0;
}

/* 流程轨 */
.page-features-advanced .adv-track {
  display: grid;
  gap: var(--space-6);
}

@media (min-width: 1000px) {
  .page-features-advanced .adv-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-8);
  }
}

.page-features-advanced .adv-group-label {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  margin: 0 0 var(--space-4);
  padding-bottom: var(--space-2);
  border-bottom: var(--border-thin) solid var(--color-line);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-group-dot {
  flex: none;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
}

.page-features-advanced .adv-group-dot-alt {
  background: var(--color-accent);
}

.page-features-advanced .adv-steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-features-advanced .adv-step {
  position: relative;
  padding: 0 0 var(--space-4) var(--space-4);
  border-left: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-step:last-child {
  padding-bottom: 0;
  border-left-color: transparent;
}

.page-features-advanced .adv-num {
  position: absolute;
  left: -14px;
  top: -3px;
  display: grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius-pill);
  background: var(--color-primary);
  color: var(--color-primary-ink);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1;
}

.page-features-advanced .adv-num-alt {
  background: var(--color-accent);
  color: var(--color-accent-ink);
}

.page-features-advanced .adv-step-title {
  margin: 0 0 var(--space-1);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
}

.page-features-advanced .adv-step-text {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* 密集区块：三项筛选 */
.page-features-advanced .adv-dense .section-title {
  margin-bottom: var(--space-2);
}

.page-features-advanced .adv-feature {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .page-features-advanced .adv-feature {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: center;
  }
}

.page-features-advanced .adv-points {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-features-advanced .adv-points li {
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-points strong {
  margin-right: var(--space-1);
  color: var(--color-ink);
  font-weight: var(--weight-heading);
}

.page-features-advanced .adv-demo {
  margin-top: var(--space-6);
  padding: var(--space-4);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 24%, transparent);
  border-radius: var(--radius-lg);
  background: var(--color-primary-soft);
}

.page-features-advanced .adv-demo-label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-demo-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-features-advanced .adv-demo-tabs .league-tab.is-active {
  background: var(--color-primary);
  color: var(--color-primary-ink);
}

.page-features-advanced .adv-demo-note {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-table-note {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-features-advanced .adv-date-demo {
  margin-top: var(--space-6);
  padding-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-date-demo-label {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-features-advanced .adv-date-demo-chips {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.page-features-advanced .adv-date-demo-note {
  max-width: var(--measure);
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* 键盘 */
.page-features-advanced .adv-keys {
  display: grid;
  margin-top: var(--space-4);
  border-top: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-key-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-3) 0;
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-features-advanced .adv-key-row p {
  flex: 1 1 260px;
  margin: 0;
  font-size: var(--text-base);
  line-height: 1.7;
  color: var(--color-ink);
}

.page-features-advanced .adv-kbd {
  flex: none;
  display: inline-grid;
  place-items: center;
  min-width: 56px;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-sm);
  background: var(--color-surface-alt);
  box-shadow: var(--shadow-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink);
}

.page-features-advanced .adv-keys-note {
  max-width: var(--measure);
  margin: var(--space-4) 0 0;
  padding-left: var(--space-3);
  border-left: var(--border-thick) solid var(--color-accent);
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

/* 高对比深色块 */
.page-features-advanced .adv-contrast {
  padding: var(--space-6) var(--space-4);
  border-radius: var(--radius-lg);
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  box-shadow: var(--shadow-2);
}

@media (min-width: 900px) {
  .page-features-advanced .adv-contrast {
    padding: var(--space-8) var(--space-6);
  }
}

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

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

.page-features-advanced .adv-contrast-grid {
  display: grid;
  gap: var(--space-4);
  margin-top: var(--space-4);
}

@media (min-width: 900px) {
  .page-features-advanced .adv-contrast-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
  }
}

.page-features-advanced .adv-contrast-text p {
  max-width: var(--measure);
  margin: 0 0 var(--space-4);
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-contrast-ink);
}

.page-features-advanced .adv-contrast-text p:last-child {
  margin-bottom: 0;
}

.page-features-advanced .adv-subtitle {
  margin: 0 0 var(--space-2);
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-contrast-accent);
}

.page-features-advanced .adv-contrast .adv-figure-frame {
  border-radius: var(--radius-md);
  background: var(--color-contrast-line);
  box-shadow: none;
}

/* 移动端 */
.page-features-advanced .adv-mobile-grid {
  display: grid;
  gap: var(--space-4);
}

@media (min-width: 900px) {
  .page-features-advanced .adv-mobile-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
  }
}

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

.page-features-advanced .adv-mobile-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: baseline;
  padding: var(--space-3);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-md);
  background: var(--color-surface);
}

.page-features-advanced .adv-mobile-num {
  font-family: var(--font-mono);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: 1;
  color: var(--color-primary);
}

.page-features-advanced .adv-mobile-text {
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
}

/* 出口 */
.page-features-advanced .adv-exit-inner {
  display: grid;
  gap: var(--space-3);
  padding-top: var(--space-6);
  border-top: var(--border-thick) solid var(--color-primary);
}

.page-features-advanced .adv-exit-inner .lede {
  max-width: var(--measure);
  margin: 0;
}

.page-features-advanced .adv-exit-inner .lede a {
  color: var(--color-accent);
}

.page-features-advanced .adv-exit-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-2);
}

.page-features-advanced :focus-visible {
  outline: var(--border-thick) solid var(--color-focus);
  outline-offset: 2px;
}