.page-process-checkpoints {
  --cp-gap: var(--space-2);
}

/* 面包屑 */
.page-process-checkpoints .breadcrumb {
  padding: var(--space-4) 0 0;
}

.page-process-checkpoints .breadcrumb-list {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
  margin: 0;
  padding: 0;
  font-size: var(--text-sm);
  color: var(--color-ink-muted);
}

.page-process-checkpoints .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: var(--space-1);
  color: var(--color-line);
}

.page-process-checkpoints .breadcrumb-item a {
  color: var(--color-ink-soft);
  text-decoration: none;
  border-bottom: var(--border-thin) solid transparent;
}

.page-process-checkpoints .breadcrumb-item a:hover,
.page-process-checkpoints .breadcrumb-item a:focus-visible {
  border-bottom-color: var(--color-primary);
  color: var(--color-primary);
}

/* 开场声明区 */
.page-process-checkpoints .cp-intro {
  padding: var(--space-6) 0 var(--space-6);
}

.page-process-checkpoints .cp-eyebrow {
  font-family: var(--font-mono);
  font-size: var(--text-sm);
  letter-spacing: 0.08em;
  color: var(--color-primary);
  margin: 0 0 var(--space-2);
}

.page-process-checkpoints .cp-intro h1 {
  font-family: var(--font-heading);
  font-size: var(--text-3xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  letter-spacing: var(--tracking-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-3);
  max-width: 24ch;
}

.page-process-checkpoints .cp-intro .lede {
  max-width: var(--measure);
  font-size: var(--text-lg);
  line-height: 1.7;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-6);
}

/* 关键数字条：深色对比区块 */
.page-process-checkpoints .cp-metrics {
  list-style: none;
  margin: 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--color-contrast-line);
  border-left: var(--border-thick) solid var(--color-primary);
  border-bottom: var(--border-thin) solid var(--color-primary);
  clip-path: polygon(0 0, 100% 12px, 100% 100%, 0 100%);
}

.page-process-checkpoints .cp-metric {
  background: var(--color-contrast-surface);
  padding: var(--space-3);
}

.page-process-checkpoints .cp-metric-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-figure);
  font-weight: 700;
  line-height: 1.05;
  color: var(--color-contrast-accent);
}

.page-process-checkpoints .cp-metric-label {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-sm);
  line-height: 1.5;
  color: var(--color-contrast-ink);
}

/* 网格与栅格（页面作用域内重声明） */
.page-process-checkpoints .grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

/* 章节头 */
.page-process-checkpoints .section-head {
  margin-bottom: var(--space-4);
}

.page-process-checkpoints .section-num {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-2xl);
  font-weight: 700;
  line-height: 1;
  color: var(--color-primary);
  margin-bottom: var(--space-2);
}

.page-process-checkpoints [data-section][data-active] .section-num {
  color: var(--color-accent);
}

.page-process-checkpoints [data-section][data-active] .section-title {
  text-decoration: underline;
  text-decoration-color: var(--color-primary);
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 6px;
}

.page-process-checkpoints .section-title {
  font-family: var(--font-heading);
  font-size: var(--text-2xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0 0 var(--space-2);
}

.page-process-checkpoints .section-kicker {
  margin: 0;
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: 42ch;
}

.page-process-checkpoints .cp-lead {
  max-width: var(--measure);
  font-size: var(--text-base);
  line-height: 1.8;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-4);
}

.page-process-checkpoints .prose p {
  font-size: var(--text-base);
  line-height: var(--leading-body);
  color: var(--color-ink);
  max-width: var(--measure);
  margin: 0 0 var(--space-3);
}

.page-process-checkpoints .prose a,
.page-process-checkpoints .cp-block--act a,
.page-process-checkpoints .cp-link-item a {
  color: var(--color-primary);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 4px;
}

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

/* 图例 */
.page-process-checkpoints .cp-legend {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: var(--space-2) 0;
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-top: 1px solid var(--color-line);
  border-bottom: 1px solid var(--color-line);
  font-size: var(--text-sm);
  color: var(--color-ink-soft);
}

.page-process-checkpoints .cp-legend li {
  display: flex;
  align-items: center;
  gap: var(--space-1);
}

.page-process-checkpoints .cp-swatch {
  flex: none;
  width: 12px;
  height: 12px;
  display: inline-block;
}

.page-process-checkpoints .cp-swatch--pass {
  border-left: var(--border-thin) solid var(--color-primary);
  border-bottom: var(--border-thin) solid var(--color-primary);
  transform: rotate(-45deg);
}

.page-process-checkpoints .cp-swatch--red {
  background: var(--color-accent);
}

/* 图片 */
.page-process-checkpoints .cp-figure {
  margin: var(--space-6) 0;
}

.page-process-checkpoints .cp-figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border-bottom: var(--border-thin) solid var(--color-primary);
}

.page-process-checkpoints .cp-figure figcaption {
  margin-top: var(--space-2);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
  max-width: var(--measure);
}

/* 对照表 */
.page-process-checkpoints .cp-table-wrap {
  overflow-x: auto;
  border-top: var(--border-thin) solid var(--color-ink);
}

.page-process-checkpoints .cp-table {
  width: 100%;
  min-width: 660px;
  border-collapse: collapse;
  border-bottom: 1px solid var(--color-line);
}

.page-process-checkpoints .cp-table-caption {
  text-align: left;
  padding: var(--space-2) 0;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  color: var(--color-ink-muted);
}

.page-process-checkpoints .cp-table th,
.page-process-checkpoints .cp-table td {
  text-align: left;
  vertical-align: top;
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-sm);
  line-height: 1.6;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-line);
}

.page-process-checkpoints .cp-table thead th {
  font-size: var(--text-xs);
  letter-spacing: 0.08em;
  color: var(--color-ink-soft);
  white-space: nowrap;
  border-bottom: var(--border-thin) solid var(--color-ink);
}

.page-process-checkpoints .cp-table tbody th {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-process-checkpoints .cp-table tbody th a {
  color: var(--color-primary);
  text-decoration: none;
  border-bottom: var(--border-thin) solid var(--color-primary-soft);
}

.page-process-checkpoints .cp-table tbody th a:hover,
.page-process-checkpoints .cp-table tbody th a:focus-visible {
  border-bottom-color: var(--color-primary);
}

.page-process-checkpoints .cp-table .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  white-space: nowrap;
}

.page-process-checkpoints .cp-table tbody tr:hover {
  background: var(--color-primary-soft);
}

/* 节点卡片 */
.page-process-checkpoints .cp-node {
  margin-top: var(--space-6);
  padding-top: var(--space-3);
  border-top: var(--border-thin) solid var(--color-ink);
  scroll-margin-top: var(--space-6);
}

.page-process-checkpoints .cp-node-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-3);
  align-items: baseline;
}

.page-process-checkpoints .cp-node-num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: var(--text-xl);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--color-primary);
}

.page-process-checkpoints .cp-node-title {
  font-family: var(--font-heading);
  font-size: var(--text-xl);
  font-weight: var(--weight-heading);
  line-height: var(--leading-heading);
  color: var(--color-ink);
  margin: 0;
}

.page-process-checkpoints .cp-node-step {
  margin: var(--space-1) 0 0;
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  line-height: 1.6;
  color: var(--color-ink-muted);
}

.page-process-checkpoints .cp-node-body {
  margin-top: var(--space-3);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-process-checkpoints .cp-sub {
  font-family: var(--font-heading);
  font-size: var(--text-sm);
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--color-ink-soft);
  margin: 0 0 var(--space-2);
  padding-bottom: var(--space-1);
  border-bottom: 1px solid var(--color-line);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-1);
}

.page-process-checkpoints .cp-flag {
  display: inline-block;
  padding: 1px var(--space-1);
  font-family: var(--font-mono);
  font-size: var(--text-xs);
  font-weight: 600;
  line-height: 1.5;
  color: var(--color-primary-ink);
}

.page-process-checkpoints .cp-flag--red {
  background: var(--color-accent);
}

.page-process-checkpoints .cp-flag--pending {
  background: var(--color-ink-soft);
}

.page-process-checkpoints .cp-pass-list,
.page-process-checkpoints .cp-fail-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-process-checkpoints .cp-pass-list li,
.page-process-checkpoints .cp-fail-list li {
  position: relative;
  padding-left: var(--space-3);
  margin-bottom: var(--space-2);
}

.page-process-checkpoints .cp-pass-list li {
  font-size: var(--text-base);
  line-height: 1.75;
  color: var(--color-ink);
}

.page-process-checkpoints .cp-pass-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 11px;
  height: 11px;
  border-left: var(--border-thin) solid var(--color-primary);
  border-bottom: var(--border-thin) solid var(--color-primary);
  transform: rotate(-45deg);
}

.page-process-checkpoints .cp-fail-list li {
  font-size: var(--text-sm);
  line-height: 1.75;
  color: var(--color-ink-soft);
}

.page-process-checkpoints .cp-fail-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 10px;
  height: 13px;
  background: var(--color-accent);
}

.page-process-checkpoints .cp-block--act p {
  margin: 0;
  padding: var(--space-2) var(--space-3);
  background: var(--color-primary-soft);
  border-left: var(--border-thick) solid var(--color-primary);
  font-size: var(--text-sm);
  line-height: 1.8;
  color: var(--color-ink);
}

/* 发布后区块底色 */
.page-process-checkpoints .cp-after {
  background: var(--color-surface-alt);
  border-top: var(--border-thin) solid var(--color-primary);
  border-bottom: 1px solid var(--color-line);
}

/* 返回与纠错入口 */
.page-process-checkpoints .cp-return {
  border-top: var(--border-thin) solid var(--color-primary);
  padding-top: var(--space-4);
}

.page-process-checkpoints .cp-link-list {
  list-style: none;
  margin: 0 0 var(--space-6);
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-4);
}

.page-process-checkpoints .cp-link-item {
  border-left: var(--border-thick) solid var(--color-line);
  padding-left: var(--space-3);
}

.page-process-checkpoints .cp-link-item:hover,
.page-process-checkpoints .cp-link-item:focus-within {
  border-left-color: var(--color-primary);
}

.page-process-checkpoints .cp-link-item a {
  display: inline-block;
  font-family: var(--font-heading);
  font-size: var(--text-lg);
  font-weight: var(--weight-heading);
  text-decoration-thickness: var(--border-thin);
  text-underline-offset: 5px;
}

.page-process-checkpoints .cp-link-item p {
  margin: var(--space-1) 0 0;
  font-size: var(--text-sm);
  line-height: 1.7;
  color: var(--color-ink-soft);
  max-width: 46ch;
}

.page-process-checkpoints .cp-closing {
  border-top: 1px solid var(--color-line);
  padding-top: var(--space-4);
}

.page-process-checkpoints .cp-closing p {
  color: var(--color-ink-soft);
}

/* 平板 */
@media (min-width: 720px) {
  .page-process-checkpoints .cp-metrics {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-process-checkpoints .cp-legend {
    flex-direction: row;
    gap: var(--space-4);
  }

  .page-process-checkpoints .cp-link-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--space-4) var(--gutter);
  }
}

/* 桌面 */
@media (min-width: 900px) {
  .page-process-checkpoints .grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-process-checkpoints .col-4 {
    grid-column: span 4;
  }

  .page-process-checkpoints .col-8 {
    grid-column: span 8;
  }

  .page-process-checkpoints .cp-intro h1 {
    font-size: var(--text-4xl);
  }

  .page-process-checkpoints .section-head {
    margin-bottom: var(--space-6);
  }

  .page-process-checkpoints .cp-node-body {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--gutter);
  }

  .page-process-checkpoints .cp-node-head {
    gap: var(--space-4);
  }

  .page-process-checkpoints .cp-figure {
    margin: var(--space-8) 0;
  }
}

@media (min-width: 1140px) {
  .page-process-checkpoints .cp-intro h1 {
    max-width: 20ch;
  }

  .page-process-checkpoints .cp-node-title {
    font-size: var(--text-2xl);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-process-checkpoints * {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>