:root {
  --blog-column: 56rem;
  --blog-inset: 1.75rem;
  --blog-body-size: 1rem;
  --blog-small-size: 0.875rem;
  --blog-list-title: clamp(2rem, 4vw, 3rem);
  --blog-article-title: clamp(1.75rem, 3.6vw, 2.6rem);
  --blog-section-title: clamp(1.3rem, 2.5vw, 1.6rem);
  --blog-subtitle: 1.3rem;
  --blog-card-title: 1.2rem;
  --blog-stat-size: clamp(1.5rem, 3vw, 2rem);
  --blog-stamp-size: 6rem;
  --blog-stamp-turn: -11deg;
}

.blog-index-main {
  padding-bottom: 3rem;
}

.blog-breadcrumbs,
.article-breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.blog-breadcrumbs ol,
.article-breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-breadcrumbs li,
.article-breadcrumbs li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.blog-breadcrumbs li + li::before,
.article-breadcrumbs li + li::before {
  content: "›";
  padding-inline-end: 0.65rem;
  color: var(--text-muted);
}

.blog-breadcrumbs a,
.article-breadcrumbs a {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

.reading-wrap,
.article-hero,
.article-breadcrumbs,
.article-page > .blog-breadcrumbs,
.article-page main > .blog-breadcrumbs,
.article-page > .promo-block,
.article-page > #related-posts,
.article-page > #post-nav {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-column) + var(--blog-inset) * 2);
  margin-inline: auto;
  padding-inline: var(--blog-inset);
}

.blog-hero {
  position: relative;
  isolation: isolate;
  box-sizing: border-box;
  background: var(--bg-panel-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  padding-block: 2rem;
  padding-inline: var(--blog-inset);
  box-shadow: inset 0 1px var(--white-hi);
}

.blog-hero::after,
.article-hero::after {
  content: "CPU\A线路调度";
  white-space: pre;
  position: absolute;
  top: 1.5rem;
  right: 1.75rem;
  box-sizing: border-box;
  width: var(--blog-stamp-size);
  height: var(--blog-stamp-size);
  display: grid;
  place-content: center;
  border: 3px double var(--accent-dark);
  border-radius: var(--radius-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  line-height: 1.6;
  text-align: center;
  letter-spacing: 0.04em;
  transform: rotate(var(--blog-stamp-turn));
  pointer-events: none;
}

.blog-hero .article-meta,
.article-hero .article-meta {
  min-height: var(--blog-stamp-size);
  padding-right: calc(var(--blog-stamp-size) + 1rem);
  align-content: flex-start;
}

.blog-hero h1,
.article-hero h1,
.blog-post-card h2,
.related-card h3,
.reading-wrap h1,
.reading-wrap h2,
.reading-wrap h3,
.prose h2,
.prose h3,
[data-article-body] h2,
[data-article-body] h3 {
  display: block;
  text-wrap: pretty;
  letter-spacing: -0.015em;
  overflow-wrap: anywhere;
  word-break: normal;
}

.blog-list-hero h1 {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-family: var(--font-display);
  font-size: var(--blog-list-title);
  font-weight: var(--weight-display);
  line-height: 1.25;
}

.article-hero {
  position: relative;
  isolation: isolate;
  background: var(--bg-panel-2);
  border-radius: var(--radius-xl);
  border: 1px solid var(--border);
  padding-block: 2rem;
  margin-bottom: 1.75rem;
  box-shadow: inset 0 1px var(--white-hi);
}

.article-hero h1 {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-family: var(--font-display);
  font-size: var(--blog-article-title);
  font-weight: var(--weight-heavy);
  line-height: 1.4;
}

.blog-hero > p,
.article-hero > p,
.article-hero .article-summary {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.6;
}

.article-meta .badge {
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.65rem;
  background: var(--accent-dark);
  color: var(--on-dark);
  font-weight: var(--weight-medium);
}

.article-meta time,
.article-meta .read-time,
.article-meta .reading-time,
.article-meta .blog-meta-note {
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.25rem 0.65rem;
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

.blog-catalog {
  padding-block: 1.75rem 2.5rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.blog-filters button {
  min-height: 2.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  padding: 0.55rem 1rem;
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-medium);
  cursor: pointer;
  transition: border-color var(--ease-quick), background var(--ease-quick);
}

.blog-filters button:hover {
  border-color: var(--accent-dark);
  color: var(--accent-dark);
}

.blog-filters button[aria-pressed="true"] {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: var(--on-dark);
}

.blog-list-status {
  min-height: 1.8em;
  margin-block: 1rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.blog-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.25rem;
}

.blog-post-card,
.related-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-chip);
  opacity: 1;
  transform: none;
  transition: border-color var(--ease-quick), transform var(--ease-quick);
}

.blog-post-card:hover,
.related-card:hover {
  border-top-color: var(--accent-dark);
  transform: translateY(-3px);
}

.blog-post-card h2,
.related-card h3 {
  margin: 0 0 0.8rem;
  font-size: var(--blog-card-title);
  font-weight: var(--weight-bold);
  line-height: 1.65;
  color: var(--accent-dark);
}

.blog-post-card h2 a,
.related-card h3 a {
  color: inherit;
  text-decoration: none;
}

.blog-post-card p,
.related-card p {
  margin: 0 0 1.25rem;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

.article-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  text-underline-offset: 0.25em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius-md);
  color: var(--text-muted);
  background: var(--bg-panel);
  line-height: 1.85;
}

.reading-wrap.prose,
.reading-wrap .prose,
.reading-wrap[data-article-body],
.reading-wrap [data-article-body] {
  max-width: none;
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: 1.9;
  color: var(--text);
}

.reading-wrap.prose,
.reading-wrap[data-article-body] {
  max-width: calc(var(--blog-column) + var(--blog-inset) * 2);
}

.prose,
[data-article-body] {
  counter-reset: blog-chapter;
  overflow-wrap: anywhere;
}

.prose p,
[data-article-body] p {
  margin-block: 0 1.15rem;
  font-size: var(--blog-body-size);
  line-height: 1.9;
}

.prose h2,
[data-article-body] h2 {
  counter-increment: blog-chapter;
  margin-block: 2.25rem 1rem;
  color: var(--accent-dark);
  font-family: var(--font-display);
  font-size: var(--blog-section-title);
  font-weight: var(--weight-heavy);
  line-height: 1.55;
  scroll-margin-top: var(--anchor-space);
}

.prose h2::before,
[data-article-body] h2::before {
  content: counter(blog-chapter, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.65rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-xs);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  vertical-align: 0.1em;
}

.prose > h2:first-child,
.prose > section:first-child > h2:first-child,
[data-article-body] > h2:first-child,
[data-article-body] > section:first-child > h2:first-child {
  margin-top: 0.75rem;
}

.prose h3,
[data-article-body] h3 {
  margin-block: 1.75rem 0.75rem;
  color: var(--accent-dark);
  font-size: var(--blog-subtitle);
  font-weight: var(--weight-bold);
  line-height: 1.6;
}

.prose ul,
.prose ol,
[data-article-body] ul,
[data-article-body] ol {
  margin-block: 1rem 1.5rem;
  padding-left: 1.5rem;
}

.prose li,
[data-article-body] li {
  margin-block: 0.5rem;
  line-height: 1.9;
}

.prose a:where(:not(.btn)),
[data-article-body] a:where(:not(.btn)) {
  color: var(--accent-dark);
  text-underline-offset: 0.22em;
}

.prose img,
[data-article-body] img,
.prose svg,
[data-article-body] svg {
  max-width: 100%;
  height: auto;
}

.prose code,
[data-article-body] code {
  padding: 0.1rem 0.3rem;
  border-radius: var(--radius-xs);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  overflow-wrap: anywhere;
}

.prose pre,
[data-article-body] pre {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  padding: 2.75rem 1.25rem 1.25rem;
  border: 1px solid var(--slot-ink);
  border-radius: var(--radius-md);
  background: var(--slot-ink);
  color: var(--on-dark);
  line-height: 1.8;
  tab-size: 2;
}

.prose pre::before,
[data-article-body] pre::before {
  content: "CPU / TERMINAL";
  position: absolute;
  top: 0.7rem;
  left: 1.25rem;
  color: var(--on-dark-soft);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  letter-spacing: 0.06em;
}

.prose pre code,
[data-article-body] pre code {
  padding: 0;
  background: var(--clear);
  color: inherit;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.prose .table-scroll,
[data-article-body] .table-scroll {
  width: 100%;
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}

.prose table,
[data-article-body] table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose caption,
[data-article-body] caption {
  padding: 0.8rem 1rem;
  color: var(--text-muted);
  text-align: left;
  background: var(--bg-panel);
}

.prose th,
.prose td,
[data-article-body] th,
[data-article-body] td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose thead th,
[data-article-body] thead th {
  background: var(--accent-dark);
  color: var(--on-dark);
  font-weight: var(--weight-bold);
}

.prose tbody tr:nth-child(odd),
[data-article-body] tbody tr:nth-child(odd) {
  background: var(--bg-panel);
}

.prose tbody tr:nth-child(even),
[data-article-body] tbody tr:nth-child(even) {
  background: var(--bg-panel-2-soft);
}

.prose tbody tr:hover,
[data-article-body] tbody tr:hover {
  background: var(--accent-50);
}

.prose blockquote,
[data-article-body] blockquote,
.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.2rem 1.25rem 1.2rem 3.25rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent-dark);
  border-radius: var(--radius-md);
  background: var(--accent-50);
  color: var(--text);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

.prose blockquote::before,
[data-article-body] blockquote::before,
.callout::before {
  content: "i";
  position: absolute;
  top: 1.25rem;
  left: 1rem;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  line-height: 1.35rem;
  text-align: center;
}

.callout.warning,
.callout-warning {
  border-left-color: var(--warn);
  background: color-mix(in srgb, var(--warn) 10%, var(--bg-panel));
}

.callout.warning::before,
.callout-warning::before {
  content: "!";
  color: var(--text);
}

.callout.success,
.callout-success {
  border-left-color: var(--success);
  background: color-mix(in srgb, var(--success) 9%, var(--bg-panel));
}

.callout.success::before,
.callout-success::before {
  color: var(--success);
}

.callout p:last-child,
.prose blockquote p:last-child,
[data-article-body] blockquote p:last-child {
  margin-bottom: 0;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent-dark);
  border-radius: var(--radius-md);
  background: var(--accent-50);
}

.stat-card:nth-child(even) {
  background: var(--bg-panel-2);
  border-top-color: var(--success);
}

.stat-num {
  display: block;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-stat-size);
  font-weight: var(--weight-heavy);
  line-height: 1.4;
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose .check-list,
[data-article-body] .check-list,
.check-list {
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin-block: 0.6rem;
  padding: 0.9rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-panel);
}

.check-list li::before {
  content: none;
}

.check-list li::marker {
  content: "";
}

.verdict {
  margin-block: 1.5rem;
  padding: 1.1rem 1.25rem;
  border-left: 4px solid var(--accent-dark);
  border-radius: var(--radius-sm);
  background: var(--bg-panel-2);
  color: var(--text);
  line-height: 1.9;
}

.verdict strong:first-child {
  color: var(--accent-dark);
  font-weight: var(--weight-heavy);
}

.promo-block.blog-promo,
.reading-wrap .promo-block,
.article-page .promo-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 1.5rem;
  box-sizing: border-box;
  margin-block: 2rem;
  padding-block: 1.75rem;
  padding-inline: var(--blog-inset);
  border: 1px solid var(--accent-dark);
  border-radius: var(--radius-lg);
  background: linear-gradient(125deg, var(--accent-dark), var(--slot-ink));
  color: var(--on-dark);
  box-shadow: var(--shadow-window);
}

.blog-promo > div:first-child,
.article-page .promo-block > div:first-child,
.reading-wrap .promo-block > div:first-child {
  flex: 1 1 20rem;
  min-width: 0;
}

.promo-block strong {
  color: var(--on-dark);
  font-family: var(--font-display);
  font-size: var(--blog-section-title);
  font-weight: var(--weight-heavy);
}

.promo-block p {
  margin-block: 0.65rem 0;
  color: var(--on-dark);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

.promo-block .promo-note {
  color: var(--on-dark-soft);
  font-size: var(--blog-small-size);
}

.promo-actions {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
}

.promo-block .btn-primary {
  background: var(--bg-panel);
  border: 1px solid var(--bg-panel);
  color: var(--accent-dark);
}

.promo-block .btn-secondary {
  background: var(--clear);
  border: 1px solid var(--on-dark-soft);
  color: var(--on-dark);
}

.promo-block .btn:hover {
  box-shadow: 0 0 0 3px var(--ann-pill);
}

#related-posts {
  margin-block: 0;
  padding-block: 1.5rem 1rem;
}

#related-posts > h2 {
  margin-block: 0 1rem;
  color: var(--accent-dark);
  font-size: var(--blog-section-title);
  line-height: 1.5;
  text-wrap: pretty;
  letter-spacing: -0.015em;
}

#related-posts .related-grid {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.related-card {
  padding: 1.15rem;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 0;
  padding-block: 1rem 1.5rem;
}

#post-nav[hidden],
#related-posts[hidden] {
  display: none;
}

.post-nav-card {
  display: block;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--bg-panel);
  color: var(--accent-dark);
  text-decoration: none;
  transition: border-color var(--ease-quick), transform var(--ease-quick);
}

.post-nav-card:hover {
  border-color: var(--accent-dark);
  transform: translateY(-3px);
}

.post-nav-next {
  grid-column: 2;
}

.post-nav-label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

.post-nav-card strong {
  display: block;
  color: var(--accent-dark);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-bold);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.blog-filters button:focus-visible,
.blog-post-card a:focus-visible,
.related-card a:focus-visible,
.post-nav-card:focus-visible,
.blog-breadcrumbs a:focus-visible,
.article-breadcrumbs a:focus-visible,
.promo-block a:focus-visible {
  outline: 3px solid var(--accent-dark);
  outline-offset: 4px;
}

.promo-block a:focus-visible {
  outline-color: var(--on-dark);
}

@media (max-width: 860px) {
  .prose table,
  [data-article-body] table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .prose .table-scroll table,
  [data-article-body] .table-scroll table {
    display: table;
    width: 100%;
    min-width: 38rem;
    max-width: none;
  }

  #related-posts .related-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 640px) {
  :root {
    --blog-inset: 1.5rem;
    --blog-stamp-size: 4.75rem;
  }

  .no-break {
    white-space: normal;
  }

  .blog-grid,
  #post-nav {
    grid-template-columns: 1fr;
  }

  .post-nav-next {
    grid-column: auto;
  }

  .blog-hero,
  .article-hero {
    padding-block: 1.5rem;
  }

  .blog-hero::after,
  .article-hero::after {
    top: 1.25rem;
    right: 1.5rem;
  }

  .blog-hero .article-meta,
  .article-hero .article-meta {
    padding-right: calc(var(--blog-stamp-size) + 0.5rem);
    min-height: calc(var(--blog-stamp-size) + 0.5rem);
  }

  .article-meta {
    gap: 0.4rem;
  }

  .blog-post-card {
    padding: 1.25rem;
  }

  .promo-actions {
    width: 100%;
  }

  .promo-block .btn {
    width: 100%;
    justify-content: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filters button,
  .blog-post-card,
  .related-card,
  .post-nav-card {
    transition: none;
    animation: none;
  }

  .blog-post-card:hover,
  .related-card:hover,
  .post-nav-card:hover {
    transform: none;
  }
}