.page-strength {
  --strength-lead-measure: 46ch;
  --strength-figure-glow: 26px;
}

/* ---------- 首屏 ---------- */

.page-strength .hero {
  position: relative;
  padding-block: calc(var(--section-y-lg) * 0.7) var(--section-y-lg);
  background:
    radial-gradient(92% 74% at 88% 0%, color-mix(in srgb, var(--color-primary) 20%, transparent), transparent 68%),
    var(--color-surface);
  border-bottom: 1px dashed var(--color-line);
}

.page-strength .hero__grid {
  display: grid;
  gap: var(--space-6);
}

.page-strength .hero__lead {
  position: relative;
  isolation: isolate;
  border-radius: var(--radius-lg);
}

.page-strength .hero__art {
  position: absolute;
  inset: 0;
  z-index: -1;
  overflow: hidden;
  border-radius: var(--radius-lg);
  opacity: 0.42;
}

.page-strength .hero__art img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.page-strength .hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    112deg,
    color-mix(in srgb, var(--color-surface) 70%, transparent) 0%,
    color-mix(in srgb, var(--color-surface) 88%, transparent) 58%,
    var(--color-surface) 100%
  );
}

.page-strength .hero__copy .breadcrumbs {
  margin-bottom: var(--space-4);
}

.page-strength .hero__copy .eyebrow {
  margin-bottom: var(--space-2);
}

.page-strength .hero__copy h1 {
  margin: 0 0 var(--space-3);
  max-width: var(--strength-lead-measure);
}

.page-strength .hero__copy .lead {
  max-width: var(--strength-lead-measure);
  color: var(--color-ink-soft);
}

.page-strength .hero__figures {
  display: grid;
  border-top: 1px dashed var(--color-line);
}

.page-strength .figure-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-3);
  padding-block: var(--space-3);
  border-bottom: 1px dashed var(--color-line);
}

.page-strength .figure-value {
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: var(--weight-heading);
  line-height: 0.94;
  letter-spacing: -0.03em;
  color: var(--color-accent);
  text-shadow: 0 0 var(--strength-figure-glow) color-mix(in srgb, var(--color-accent) 42%, transparent);
  white-space: nowrap;
}

.page-strength .figure-label {
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-ink-soft);
}

/* ---------- 能力索引条 ---------- */

.page-strength .index-bar {
  background: var(--color-surface-alt);
  border-bottom: 1px dashed var(--color-line);
  padding-block: var(--space-2);
}

.page-strength .index-bar__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2) var(--space-3);
}

.page-strength .index-bar__label {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  color: var(--color-ink-muted);
}

.page-strength .index-bar__list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .index-bar__list a {
  display: inline-block;
  padding: var(--space-1) var(--space-2);
  border: var(--border-thin) solid var(--color-line);
  border-radius: var(--radius-pill);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  text-decoration: none;
  transition: border-color 0.18s ease-out, color 0.18s ease-out;
}

.page-strength .index-bar__list a:hover,
.page-strength .index-bar__list a:focus-visible {
  border-color: var(--color-accent);
  color: var(--color-ink);
}

/* ---------- 口径总则 ---------- */

.page-strength .rule-layout {
  display: grid;
  gap: var(--space-4);
}

.page-strength .rule-intro h2 {
  margin: 0 0 var(--space-3);
}

.page-strength .rule-intro p {
  margin: 0 0 var(--space-2);
  color: var(--color-ink);
}

.page-strength .rule-intro .soft {
  color: var(--color-ink-muted);
  font-size: var(--text-sm);
}

.page-strength .contrast-block {
  border-radius: var(--radius-lg);
  padding: var(--space-4);
}

.page-strength .rule-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.2em;
  margin: 0 0 var(--space-3);
  color: var(--color-contrast-accent);
}

.page-strength .order-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-strength .order-list li {
  display: grid;
  grid-template-columns: 3.2em minmax(4.6em, auto) minmax(0, 1fr);
  align-items: baseline;
  gap: var(--space-2);
  padding-block: var(--space-2);
  border-bottom: 1px dotted var(--color-contrast-line);
}

.page-strength .order-num {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-contrast-accent);
}

.page-strength .order-name {
  font-weight: var(--weight-heading);
  color: var(--color-contrast-ink);
}

.page-strength .order-desc {
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 78%, var(--color-contrast-surface));
}

.page-strength .rule-note {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: color-mix(in srgb, var(--color-contrast-ink) 84%, var(--color-contrast-surface));
}

/* ---------- 分组标题 ---------- */

.page-strength .group-head {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  max-width: var(--strength-lead-measure);
}

.page-strength .group-head h2 {
  margin: 0;
}

.page-strength .group-head .soft {
  margin: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

/* ---------- 能力条目网格 ---------- */

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

.page-strength .cap {
  position: relative;
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 28%, var(--color-line));
  border-radius: var(--radius-md);
  box-shadow: 0 0 0 1px color-mix(in srgb, var(--color-primary) 10%, transparent);
  scroll-margin-top: calc(var(--section-y) + var(--space-6));
}

.page-strength .cap:target {
  border-color: var(--color-focus);
  box-shadow: var(--shadow-2);
}

.page-strength .cap__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-3);
}

.page-strength .cap__head h3 {
  margin: 0;
  font-size: var(--text-lg);
  letter-spacing: var(--tracking-heading);
}

.page-strength .cap__body {
  margin: 0 0 var(--space-3);
  color: var(--color-ink);
}

.page-strength .cap__media {
  margin: 0 0 var(--space-3);
}

.page-strength .cap__aside {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-strength .cap__aside a {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-strength .cap__spec {
  display: grid;
  gap: var(--space-2);
  margin: 0;
}

.page-strength .cap__spec > div {
  display: grid;
  grid-template-columns: 4.2em minmax(0, 1fr);
  gap: var(--space-2);
  padding-top: var(--space-2);
  border-top: 1px dotted var(--color-line);
}

.page-strength .cap__spec dt {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-strength .cap__spec dd {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .cap--wide .cap__body {
  max-width: 62ch;
}

.page-strength .cap--wide .cap__spec {
  grid-template-columns: minmax(0, 1fr);
}

/* ---------- 名额矩阵 ---------- */

.page-strength .quota-matrix {
  display: grid;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
}

.page-strength .quota-cell {
  padding: var(--space-3);
  background: var(--color-surface-deep);
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-sm);
  transition: border-color 0.2s ease-out, box-shadow 0.2s ease-out;
}

.page-strength .quota-cell:hover,
.page-strength .quota-cell:focus-within {
  border-color: var(--color-accent);
  box-shadow: 0 0 calc(var(--space-3)) color-mix(in srgb, var(--color-accent) 26%, transparent);
}

.page-strength .quota-cell__tier {
  margin: 0 0 var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  letter-spacing: 0.18em;
  color: var(--color-primary);
}

.page-strength .quota-cell__range {
  margin: 0 0 var(--space-2);
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  letter-spacing: -0.02em;
  color: var(--color-accent);
}

.page-strength .quota-cell__note {
  margin: 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

/* ---------- 阈值图 ---------- */

.page-strength .pass-band {
  margin-bottom: var(--space-6);
}

.page-strength .pass-band img {
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 5;
  object-fit: cover;
  display: block;
}

.page-strength .pass-figure {
  margin: 0 0 var(--space-4);
  padding: var(--space-3);
  background: var(--color-surface);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-accent) 22%, var(--color-line));
  border-radius: var(--radius-md);
}

.page-strength .threshold-chart {
  display: block;
  width: 100%;
  max-width: 620px;
  height: auto;
}

.page-strength .threshold-chart .chart-axis {
  stroke: var(--color-line);
  stroke-width: 1;
  stroke-dasharray: 3 4;
}

.page-strength .threshold-chart .bar {
  fill: color-mix(in srgb, var(--color-accent) 58%, var(--color-surface-alt));
}

.page-strength .threshold-chart .bar--peak {
  fill: var(--color-accent);
}

.page-strength .threshold-chart .bar-label {
  fill: var(--color-ink-soft);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  text-anchor: middle;
}

.page-strength .threshold-chart .bar-value {
  fill: var(--color-accent);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-anchor: middle;
}

.page-strength .pass-figure__caption {
  margin: var(--space-3) 0 0;
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 边界与出口 ---------- */

.page-strength .edge-layout {
  display: grid;
  gap: var(--space-6);
}

.page-strength .edge-col h2,
.page-strength .edge-col h3 {
  margin: 0 0 var(--space-3);
}

.page-strength .edge-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-strength .edge-list li {
  position: relative;
  padding-left: var(--space-3);
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-soft);
}

.page-strength .edge-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: var(--space-1);
  height: var(--border-thin);
  background: var(--color-primary);
}

.page-strength .exit-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-2);
}

.page-strength .exit-link {
  display: grid;
  gap: 4px;
  padding: var(--space-3);
  text-decoration: none;
  background: var(--color-surface-alt);
  border: var(--border-thin) solid color-mix(in srgb, var(--color-primary) 24%, var(--color-line));
  border-radius: var(--radius-sm);
  transition: border-color 0.18s ease-out, background-color 0.18s ease-out;
}

.page-strength .exit-link:hover,
.page-strength .exit-link:focus-visible {
  border-color: var(--color-accent);
  background: var(--color-surface-deep);
}

.page-strength .exit-link__title {
  font-weight: var(--weight-heading);
  color: var(--color-ink);
  letter-spacing: var(--tracking-heading);
}

.page-strength .exit-link__desc {
  font-size: var(--text-sm);
  line-height: var(--leading-body);
  color: var(--color-ink-muted);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-strength .quota-matrix {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-strength .cap--wide .cap__spec {
    grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
    gap: var(--space-3);
  }
}

@media (min-width: 900px) {
  .page-strength .rule-layout {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-strength .edge-layout {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .caps-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--space-4);
  }

  .page-strength .span-4 { grid-column: span 4; }
  .page-strength .span-5 { grid-column: span 5; }
  .page-strength .span-7 { grid-column: span 7; }
  .page-strength .span-8 { grid-column: span 8; }
  .page-strength .span-12 { grid-column: span 12; }
}

@media (min-width: 960px) {
  .page-strength .hero__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: var(--space-8);
    align-items: start;
  }

  .page-strength .hero__lead {
    padding: var(--space-6);
  }

  .page-strength .hero__figures {
    border-top-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-line));
  }
}

@media (max-width: 959px) {
  .page-strength .hero__art {
    display: none;
  }
}

@media (max-width: 599px) {
  .page-strength .figure-row {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }

  .page-strength .figure-value {
    line-height: 1;
  }

  .page-strength .order-list li {
    grid-template-columns: 2.6em minmax(0, 1fr);
  }

  .page-strength .order-desc {
    grid-column: 2;
  }

  .page-strength .cap__spec > div {
    grid-template-columns: minmax(0, 1fr);
    gap: var(--space-1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-strength .index-bar__list a,
  .page-strength .quota-cell,
  .page-strength .exit-link {
    transition: none;
  }
}