.page-certification {
  --pc-state-size: calc(var(--space-1) * 0.75);
  --pc-gap-tight: var(--space-1);
  background: var(--color-surface);
  color: var(--color-ink);
}

/* ---------- 首屏 ---------- */

.page-certification .hero {
  background: var(--color-contrast-surface);
  color: var(--color-contrast-ink);
  padding: var(--space-6) 0;
}

@media (min-width: 900px) {
  .page-certification .hero {
    padding: var(--space-8) 0;
  }
}

.page-certification .hero-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
  margin-bottom: var(--space-6);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 58%, transparent);
}

.page-certification .hero-crumb a {
  color: inherit;
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 240ms ease;
}

.page-certification .hero-crumb a:hover,
.page-certification .hero-crumb a:focus-visible {
  border-bottom-color: var(--color-contrast-accent);
}

.page-certification .hero-kicker {
  position: relative;
  margin: 0 0 var(--space-3);
  padding-left: var(--space-3);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.12em;
  color: var(--color-contrast-accent);
}

.page-certification .hero-kicker::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: var(--space-2);
  height: var(--border-thin);
  background: currentColor;
}

.page-certification .hero-title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-heading);
  font-size: var(--text-display);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-contrast-ink);
}

.page-certification .hero-lead {
  max-width: var(--measure);
  margin: 0;
  color: color-mix(in srgb, var(--color-contrast-ink) 82%, transparent);
}

.page-certification .hero-figures {
  list-style: none;
  margin: var(--space-8) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

@media (min-width: 640px) {
  .page-certification .hero-figures {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--space-6);
  }
}

.page-certification .hero-figure {
  border-top: var(--border-thin) solid var(--color-contrast-line);
  padding-top: var(--space-2);
}

.page-certification .hero-figure .figure {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.01em;
  color: var(--color-contrast-accent);
}

.page-certification .hero-figure .figure-unit {
  display: block;
  margin-top: var(--pc-gap-tight);
  font-family: var(--font-body);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

.page-certification .hero-caption {
  max-width: var(--measure);
  margin: var(--space-6) 0 0;
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-contrast-line);
  font-size: var(--text-sm);
  color: color-mix(in srgb, var(--color-contrast-ink) 68%, transparent);
}

/* ---------- 区块节奏 ---------- */

.page-certification .blk {
  padding-top: calc(var(--section-y) * 0.62);
}

.page-certification .blk--last {
  padding-bottom: calc(var(--section-y) * 0.62);
}

@media (min-width: 900px) {
  .page-certification .blk {
    padding-top: var(--section-y);
  }

  .page-certification .blk--last {
    padding-bottom: var(--section-y);
  }
}

/* ---------- 图像 ---------- */

.page-certification .frame {
  border: var(--border-thin) solid var(--color-line);
  background: var(--color-surface-alt);
  padding: var(--space-2);
  margin: 0;
}

.page-certification .frame-body {
  display: block;
  overflow: hidden;
}

.page-certification .frame-body img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(0.7);
}

.page-certification .frame-caption {
  display: block;
  margin-top: var(--space-2);
  padding-top: var(--space-2);
  border-top: var(--border-thin) solid var(--color-line);
  color: var(--color-ink-soft);
}

.page-certification .scale-figure {
  margin: 0;
}

.page-certification .flow-figure {
  margin: 0 0 var(--space-6);
}

/* ---------- 分组标题 ---------- */

.page-certification .group-head {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin-bottom: var(--space-6);
  padding-bottom: var(--space-4);
  border-bottom: var(--border-thin) solid var(--color-line);
}

@media (min-width: 720px) {
  .page-certification .group-head {
    grid-template-columns: 76px minmax(0, 1fr);
    gap: var(--space-4);
    align-items: start;
  }
}

.page-certification .group-num {
  display: block;
  font-family: var(--font-mono);
  font-size: var(--text-lg);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--color-primary);
}

.page-certification .group-head .section-title {
  margin: 0 0 var(--space-2);
  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);
}

.page-certification .group-note {
  max-width: var(--measure);
  margin: 0;
  color: var(--color-ink-soft);
}

/* ---------- 条目列表 ---------- */

.page-certification .spec-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--border-thin) solid var(--color-line);
}

.page-certification .spec-item {
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-certification .fold {
  display: block;
}

.page-certification .fold > summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: var(--space-1) var(--space-3);
  padding: var(--space-3) 0;
  cursor: pointer;
  list-style: none;
}

.page-certification .fold > summary::-webkit-details-marker {
  display: none;
}

.page-certification .fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: var(--text-base);
  line-height: 1;
  color: var(--color-ink-muted);
}

.page-certification .fold[open] > summary::after {
  content: "\2212";
  color: var(--color-accent);
}

.page-certification .fold-summary-idx {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-primary);
}

.page-certification .fold-summary-title {
  flex: 1 1 auto;
  min-width: 0;
  font-size: var(--text-base);
  color: var(--color-ink);
}

.page-certification .fold > summary:hover .fold-summary-title,
.page-certification .fold > summary:focus-visible .fold-summary-title {
  text-decoration: underline;
  text-decoration-color: var(--color-accent);
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 5px;
}

.page-certification .fold-summary-hint {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-certification .fold-body {
  max-width: var(--measure);
  padding-bottom: var(--space-4);
  animation: pc-fold-in 200ms ease-out;
}

.page-certification .fold-body p {
  margin: 0 0 var(--space-2);
  line-height: var(--leading-body);
  color: var(--color-ink);
}

.page-certification .fold-body a {
  color: var(--color-ink);
  text-decoration: none;
}

.page-certification .fold-body a.ul-accent {
  border-bottom: var(--border-thin) solid var(--color-accent);
}

.page-certification .fold-body a.ul-accent:hover,
.page-certification .fold-body a.ul-accent:focus-visible {
  background: var(--color-highlight);
}

@keyframes pc-fold-in {
  from {
    opacity: 0;
    transform: translateY(-8px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ---------- 条目元信息 ---------- */

.page-certification .spec-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1) var(--space-4);
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-certification .spec-meta div {
  display: flex;
  gap: var(--space-1);
}

.page-certification .spec-meta dt::after {
  content: "\FF1A";
}

.page-certification .spec-meta dd {
  margin: 0;
  color: var(--color-ink-soft);
}

.page-certification .spec-state {
  display: inline-flex;
  align-items: center;
  gap: var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
  white-space: nowrap;
}

.page-certification .spec-state::before {
  content: "";
  width: var(--pc-state-size);
  height: var(--pc-state-size);
  background: var(--color-ink-muted);
}

.page-certification .spec-state[data-state="done"]::before {
  background: var(--color-primary);
}

.page-certification .spec-state[data-state="live"]::before {
  background: var(--color-accent);
}

/* ---------- 分组四：图文分栏 ---------- */

@media (min-width: 900px) {
  .page-certification .group--split {
    display: grid;
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: var(--space-6);
    align-items: start;
  }

  .page-certification .group--split .group-head {
    grid-column: 1 / -1;
  }
}

.page-certification .aside-figure {
  margin-top: var(--space-6);
}

@media (min-width: 900px) {
  .page-certification .aside-figure {
    margin-top: 0;
    align-self: start;
  }
}

/* ---------- 索引表 ---------- */

.page-certification .table-scroll {
  border-top: var(--border-thin) solid var(--color-line);
  border-bottom: var(--border-thin) solid var(--color-line);
}

.page-certification .spec-table {
  width: 100%;
  min-width: 620px;
  border-collapse: collapse;
  font-size: var(--text-sm);
}

.page-certification .spec-table th,
.page-certification .spec-table td {
  text-align: left;
  padding: var(--space-2) var(--space-3);
  border-bottom: var(--border-thin) solid var(--color-line);
  white-space: nowrap;
}

.page-certification .spec-table thead th {
  font-family: var(--font-mono);
  font-weight: 400;
  color: var(--color-ink-muted);
  background: var(--color-surface-alt);
  border-bottom: var(--border-thin) solid var(--color-ink-muted);
}

.page-certification .spec-table tbody tr:hover td {
  background: var(--color-surface-alt);
}

.page-certification .spec-table td.num {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--color-ink);
}

.page-certification .spec-table th:first-child,
.page-certification .spec-table td:first-child {
  position: sticky;
  left: 0;
  z-index: 1;
  background: var(--color-surface);
}

.page-certification .spec-table thead th:first-child {
  background: var(--color-surface-alt);
}

.page-certification .table-caption {
  margin: var(--space-2) 0 0;
  color: var(--color-ink-muted);
}

/* ---------- 锚点条 ---------- */

.page-certification .anchor-bar-inner {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
}

.page-certification .anchor-link {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  text-decoration: none;
  color: var(--color-ink-soft);
  border-bottom: var(--border-thin) solid transparent;
  transition: border-color 240ms ease, color 120ms ease;
}

.page-certification .anchor-link:hover,
.page-certification .anchor-link:focus-visible,
.page-certification .anchor-link[aria-current="true"] {
  color: var(--color-ink);
  border-bottom-color: var(--color-accent);
}

/* ---------- 焦点环 ---------- */

.page-certification a:focus-visible,
.page-certification summary:focus-visible {
  outline: 2px solid var(--color-focus);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-certification *,
  .page-certification *::before,
  .page-certification *::after {
    transition-duration: 0ms !important;
    animation-duration: 0ms !important;
  }
}
<<<END>>>