:root {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  --blog-column-box: calc(var(--blog-reading) + var(--blog-gutter) + var(--blog-gutter));
  --blog-h1: clamp(1.8rem, 4.3vw, 2.6rem);
  --blog-list-h1: clamp(2rem, 4.7vw, 3rem);
  --blog-h2: clamp(1.3rem, 2.8vw, 1.6rem);
  --blog-h3: clamp(1.1rem, 2.4vw, 1.3rem);
  --blog-body: 1rem;
  --blog-small: 0.875rem;
  --blog-tiny: 0.75rem;
  --blog-leading: 1.9;
  --blog-heading-leading: 1.45;
  --blog-tracking: -0.015em;
  --blog-rule: 1px;
  --blog-heavy-rule: 3px;
  --blog-transition: 180ms ease;
  --blog-stamp-size: 5.5rem;
  --blog-hero-space: 2.5rem;
  --blog-card-pad: 1.6rem;
  --blog-soft-tint: color-mix(in srgb, var(--c-accent) 7%, var(--c-panel));
  --blog-warm-tint: color-mix(in srgb, var(--c-apricot) 55%, var(--c-panel));
  --blog-success-tint: color-mix(in srgb, var(--c-success) 9%, var(--c-panel));
  --blog-warn-tint: color-mix(in srgb, var(--c-warn) 10%, var(--c-panel));
  --blog-selection: color-mix(in srgb, var(--c-apricot) 70%, var(--c-panel));
  --blog-on-dark: var(--c-panel);
  --blog-code-muted: color-mix(in srgb, var(--c-panel) 76%, var(--c-accent-dk));
  --blog-stamp-ink: color-mix(in srgb, var(--c-accent) 72%, var(--c-muted));
  --blog-promo-gradient: linear-gradient(125deg, var(--c-accent-dk), var(--c-accent));
}

.blog-list-shell,
.blog-article,
.reading-wrap,
.article-hero,
.breadcrumbs,
.promo-block,
#post-nav,
#related-posts {
  box-sizing: border-box;
}

.blog-index h1,
.blog-index h2,
.blog-index h3,
.blog-article h1,
.blog-article h2,
.blog-article h3,
.article-hero h1,
.article-card h3,
#related-posts h2,
#related-posts h3 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
  overflow-wrap: anywhere;
}

.blog-index a:focus-visible,
.blog-index button:focus-visible,
.blog-article a:focus-visible,
.blog-article button:focus-visible,
.float-cta:focus-visible,
#related-posts a:focus-visible,
#post-nav a:focus-visible {
  outline: var(--blog-heavy-rule) solid var(--c-accent);
  outline-offset: 4px;
  border-radius: var(--r-focus);
}

.blog-skip {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.7rem 1rem;
  color: var(--blog-on-dark);
  background: var(--c-accent-dk);
  border-radius: var(--r-pill);
  transform: translateY(-200%);
}

.blog-skip:focus {
  transform: translateY(0);
}

.blog-list-shell {
  padding-block: clamp(2rem, 5vw, 4rem);
}

.blog-list-hero {
  position: relative;
  margin-bottom: 2.5rem;
  padding: clamp(1.5rem, 4vw, 3rem);
  background: var(--c-panel);
  border: var(--blog-rule) solid var(--c-border);
  border-radius: var(--r-card);
  box-shadow: var(--shadow-card);
}

.blog-kicker {
  margin: 0 0 1rem;
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-medium);
}

.blog-list-hero h1 {
  margin: 0;
  max-width: 23ch;
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-list-h1);
  font-weight: var(--weight-normal);
  line-height: var(--blog-heading-leading);
  text-align: left;
}

.blog-list-intro {
  max-width: 45rem;
  margin: 1.1rem 0 0;
  color: var(--c-muted);
  font-size: var(--blog-body);
  line-height: var(--blog-leading);
}

.blog-library-tools {
  margin-bottom: 1.5rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.blog-filter {
  min-height: 2.75rem;
  padding: 0.65rem 1.1rem;
  border: var(--blog-rule) solid var(--c-border);
  border-radius: var(--r-pill);
  background: var(--c-panel);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  cursor: pointer;
  transition: border-color var(--blog-transition), background var(--blog-transition), color var(--blog-transition);
}

.blog-filter:hover {
  border-color: var(--c-accent);
  background: var(--blog-soft-tint);
}

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

.blog-results-status {
  margin: 1rem 0 0;
  color: var(--c-muted);
  font-size: var(--blog-small);
}

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

.article-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: var(--blog-card-pad);
  border: var(--blog-rule) solid var(--c-border);
  border-top: var(--blog-heavy-rule) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
  color: var(--c-text);
  opacity: 1;
  transition: transform var(--blog-transition), border-color var(--blog-transition), box-shadow var(--blog-transition);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

.article-meta {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  line-height: 1.6;
}

.article-meta time {
  font-family: var(--font-mono);
  font-size: var(--blog-tiny);
}

.article-meta .badge {
  padding: 0.3rem 0.65rem;
  border: var(--blog-rule) solid var(--c-accent);
  border-radius: var(--r-pill);
  background: var(--c-accent);
  color: var(--blog-on-dark);
  font-size: var(--blog-tiny);
  font-weight: var(--weight-medium);
}

.article-card h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-size: var(--blog-h3);
  font-weight: var(--weight-normal);
  line-height: 1.6;
}

.article-card h3 a {
  color: var(--c-text);
  text-decoration: none;
}

.article-card h3 a:hover {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-summary {
  margin: 0 0 1.4rem;
  color: var(--c-muted);
  font-size: var(--blog-body);
  line-height: var(--blog-leading);
}

.article-read-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.6rem;
  min-height: 2.75rem;
  margin-top: auto;
  color: var(--c-accent);
  font-size: var(--blog-small);
  font-weight: var(--weight-strong);
  text-decoration: underline;
  text-underline-offset: 0.3em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2rem;
  border: var(--blog-rule) dashed var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel-2);
  color: var(--c-muted);
  line-height: var(--blog-leading);
}

.blog-empty a {
  color: var(--c-accent);
}

/* 阅读列的外宽包含与 Hero 完全一致的左右内衬。 */
.reading-wrap,
.blog-article .reading-wrap,
.article-hero,
.blog-article .article-hero,
.breadcrumbs,
.blog-article .breadcrumbs {
  width: 100%;
  max-width: var(--blog-column-box);
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
}

.blog-article {
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--blog-body);
  line-height: var(--blog-leading);
}

.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.3rem;
  padding-top: 0.25rem;
  color: var(--c-muted);
  font-size: var(--blog-small);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.65rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "／";
  margin-right: 0.65rem;
  color: var(--c-muted);
}

.breadcrumbs a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-hero {
  position: relative;
  isolation: isolate;
  margin-top: 0;
  margin-bottom: 1.8rem;
  padding-block: var(--blog-hero-space);
  padding-inline: var(--blog-gutter);
  border: none;
  border-radius: var(--r-card);
  background: var(--c-panel);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  text-align: left;
}

.article-hero::after {
  content: "VP·NEAT";
  position: absolute;
  z-index: -1;
  top: 1.2rem;
  right: 1.4rem;
  display: grid;
  place-items: center;
  box-sizing: border-box;
  width: var(--blog-stamp-size);
  height: var(--blog-stamp-size);
  border: 4px double var(--blog-stamp-ink);
  border-radius: var(--r-circle);
  color: var(--blog-stamp-ink);
  background: var(--c-panel);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-strong);
  letter-spacing: 0.02em;
  transform: rotate(-11deg);
  pointer-events: none;
}

.article-hero .article-meta,
.article-hero .hero-meta {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  min-height: var(--blog-stamp-size);
  margin: 0 calc(var(--blog-stamp-size) + 0.5rem) 1.1rem 0;
  color: var(--c-muted);
  font-size: var(--blog-small);
}

.article-hero .article-meta > *,
.article-hero .hero-meta > * {
  padding: 0.35rem 0.65rem;
  border: var(--blog-rule) solid var(--c-border);
  border-radius: var(--r-pill);
  line-height: 1.6;
}

.article-hero .article-meta .badge,
.article-hero .hero-meta .badge {
  border-color: var(--c-accent);
  background: var(--c-accent);
  color: var(--blog-on-dark);
}

.article-hero h1 {
  display: block;
  margin: 0 0 1.1rem;
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-h1);
  font-weight: var(--weight-normal);
  line-height: var(--blog-heading-leading);
  text-align: left;
}

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

.blog-article .prose,
.blog-article .article-body,
.reading-wrap.prose,
.reading-wrap.article-body {
  min-width: 0;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--blog-body);
  line-height: var(--blog-leading);
  counter-reset: neat-chapter;
}

.blog-article .prose:not(.reading-wrap),
.blog-article .article-body:not(.reading-wrap) {
  width: 100%;
  max-width: var(--blog-reading);
  margin-inline: auto;
}

.blog-article .prose p,
.blog-article .article-body p {
  margin-block: 0 1.2rem;
}

.blog-article .prose h2,
.blog-article .article-body h2 {
  display: block;
  margin: 2.4rem 0 1.1rem;
  padding-bottom: 0.7rem;
  border-bottom: var(--blog-rule) solid var(--c-border);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  font-weight: var(--weight-normal);
  line-height: 1.6;
  text-wrap: pretty;
  counter-increment: neat-chapter;
  scroll-margin-top: var(--anchor-offset);
}

.blog-article .prose h2::before,
.blog-article .article-body h2::before {
  content: counter(neat-chapter, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.7rem;
  padding: 0.12rem 0.5rem;
  border-radius: var(--r-tag);
  background: var(--blog-warm-tint);
  color: var(--c-accent-dk);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  vertical-align: 0.12em;
}

.blog-article .prose > h2:first-child,
.blog-article .article-body > h2:first-child,
.blog-article .prose > section:first-child > h2:first-child,
.blog-article .article-body > section:first-child > h2:first-child {
  margin-top: 0;
}

.blog-article .prose h3,
.blog-article .article-body h3 {
  display: block;
  margin: 1.7rem 0 0.8rem;
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--blog-h3);
  font-weight: var(--weight-strong);
  line-height: 1.65;
  text-wrap: pretty;
}

.blog-article .prose a,
.blog-article .article-body a {
  color: var(--c-accent);
  text-decoration: underline;
  text-underline-offset: 0.22em;
  overflow-wrap: anywhere;
}

.blog-article .prose ul,
.blog-article .prose ol,
.blog-article .article-body ul,
.blog-article .article-body ol {
  margin: 0 0 1.4rem;
  padding-left: 1.5rem;
}

.blog-article .prose li,
.blog-article .article-body li {
  margin-block: 0.45rem;
}

.blog-article strong {
  font-weight: var(--weight-strong);
}

.blog-article .prose img,
.blog-article .article-body img {
  display: block;
  max-width: 100%;
  height: auto;
  border-radius: var(--r-card);
}

.blog-article :is(.prose, .article-body) ::selection {
  color: var(--c-text);
  background: var(--blog-selection);
}

.blog-article .table-scroll {
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: var(--blog-rule) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  overscroll-behavior-inline: contain;
}

.blog-article :is(.prose, .article-body) table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  color: var(--c-text);
  background: var(--c-panel);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.blog-article .table-scroll table {
  margin-block: 0;
}

.blog-article :is(.prose, .article-body) caption {
  padding: 0.75rem;
  color: var(--c-muted);
  font-size: var(--blog-small);
  text-align: left;
}

.blog-article :is(.prose, .article-body) th,
.blog-article :is(.prose, .article-body) td {
  padding: 0.9rem 1rem;
  border: var(--blog-rule) solid var(--c-border);
  text-align: left;
  vertical-align: top;
}

.blog-article :is(.prose, .article-body) thead th {
  background: var(--c-accent);
  color: var(--blog-on-dark);
  font-weight: var(--weight-medium);
}

.blog-article :is(.prose, .article-body) tbody tr:nth-child(even) {
  background: var(--blog-soft-tint);
}

.blog-article :is(.prose, .article-body) tbody tr:hover {
  background: var(--blog-warm-tint);
}

.blog-article :is(.prose, .article-body) code {
  padding: 0.12em 0.35em;
  border-radius: var(--r-tag);
  color: var(--c-accent-dk);
  background: var(--c-panel-2);
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.blog-article :is(.prose, .article-body) pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 3.2rem 1.3rem 1.3rem;
  overflow-x: auto;
  border: var(--blog-rule) solid var(--c-accent);
  border-radius: var(--r-card);
  background: var(--c-accent-dk);
  color: var(--blog-on-dark);
  box-shadow: var(--shadow-1);
  line-height: 1.8;
}

.blog-article :is(.prose, .article-body) pre::before {
  content: "VP·NEAT / CONFIG";
  position: absolute;
  top: 0.8rem;
  left: 1.3rem;
  color: var(--blog-code-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-tiny);
  letter-spacing: 0.04em;
}

.blog-article :is(.prose, .article-body) pre code {
  padding: 0;
  border: none;
  background: var(--c-accent-dk);
  color: var(--blog-on-dark);
  white-space: pre;
  overflow-wrap: normal;
}

.blog-article blockquote,
.blog-article .callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.3rem 1.3rem 1.3rem 3.8rem;
  border: var(--blog-rule) solid var(--c-border);
  border-left: 4px solid var(--c-accent);
  border-radius: var(--r-card);
  background: var(--blog-soft-tint);
  color: var(--c-text);
  font-style: normal;
}

.blog-article blockquote::before,
.blog-article .callout::before {
  content: "i";
  position: absolute;
  top: 1.35rem;
  left: 1rem;
  display: inline-grid;
  place-items: center;
  width: 1.65rem;
  height: 1.65rem;
  border: var(--blog-rule) solid var(--c-accent);
  border-radius: var(--r-circle);
  color: var(--c-accent);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-strong);
  line-height: 1;
}

.blog-article .callout.warning,
.blog-article .callout-warning {
  border-left-color: var(--c-warn);
  background: var(--blog-warn-tint);
}

.blog-article .callout.warning::before,
.blog-article .callout-warning::before {
  content: "!";
  border-color: var(--c-warn);
  color: var(--c-accent-dk);
}

.blog-article .callout.success,
.blog-article .callout-success {
  border-left-color: var(--c-success);
  background: var(--blog-success-tint);
}

.blog-article .callout.success::before,
.blog-article .callout-success::before {
  border-color: var(--c-success);
  color: var(--c-accent-dk);
}

.blog-article blockquote p:last-child,
.blog-article .callout p:last-child,
.blog-article .verdict 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: 1.4rem;
  border: var(--blog-rule) solid var(--c-border);
  border-top: var(--blog-heavy-rule) solid var(--c-accent);
  border-radius: var(--r-card);
  background: var(--blog-soft-tint);
  box-shadow: var(--shadow-1);
}

.stat-card:nth-child(even) {
  border-top-color: var(--c-warn);
  background: var(--blog-warm-tint);
}

.stat-num {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--c-accent-dk);
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 1.9rem);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-label {
  display: block;
  color: var(--c-muted);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.blog-article :is(.prose, .article-body) .check-list,
.check-list {
  margin: 1.5rem 0;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin-block: 0.7rem;
  padding: 1rem 1.15rem;
  border: var(--blog-rule) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
  list-style: none;
}

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

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

.verdict {
  margin-block: 1.5rem;
  padding: 1.25rem 1.4rem;
  border-left: 4px solid var(--c-accent);
  border-radius: var(--r-card);
  background: var(--blog-warm-tint);
  color: var(--c-text);
}

.verdict > strong:first-child {
  color: var(--c-accent-dk);
  font-weight: var(--weight-strong);
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 2rem;
  border: var(--blog-rule) solid var(--c-accent);
  border-radius: var(--r-card);
  background: var(--blog-promo-gradient);
  color: var(--blog-on-dark);
  box-shadow: var(--shadow-card);
}

.promo-block > div:first-child {
  flex: 1 1 20rem;
  min-width: 0;
}

.promo-block strong {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-display);
  font-size: var(--blog-h3);
  font-weight: var(--weight-normal);
}

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

.promo-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.promo-block .btn,
.promo-block .btn-solid {
  border: var(--blog-rule) solid var(--c-panel);
  border-radius: var(--r-pill);
  background: var(--c-panel);
  color: var(--c-accent-dk);
  text-decoration: none;
}

.promo-block .btn:hover {
  background: var(--c-apricot);
  border-color: var(--c-apricot);
  color: var(--c-accent-dk);
}

.promo-block .btn-ghost {
  border-color: var(--c-panel);
  background: var(--c-accent-dk);
  color: var(--blog-on-dark);
}

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

.blog-article > .promo-block,
.blog-article > #related-posts,
.blog-article > #post-nav {
  width: calc(100% - var(--blog-gutter) - var(--blog-gutter));
  max-width: var(--blog-reading);
  margin-inline: auto;
}

.reading-wrap > .promo-block,
.reading-wrap > #related-posts,
.reading-wrap > #post-nav {
  width: 100%;
  max-width: none;
  margin-inline: 0;
}

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

#related-posts .related-heading {
  display: block;
  margin: 0 0 1.2rem;
  padding: 0;
  border: none;
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  font-weight: var(--weight-normal);
  line-height: 1.6;
}

#related-posts .related-heading::before {
  content: none;
}

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

.related-card {
  padding: 1.2rem;
}

.related-card h3 {
  font-size: var(--blog-h3);
}

.related-card .article-summary {
  font-size: var(--blog-small);
}

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

.post-nav-card {
  display: block;
  min-width: 0;
  padding: 1.4rem;
  border: var(--blog-rule) solid var(--c-border);
  border-top: var(--blog-heavy-rule) solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
  transition: transform var(--blog-transition), border-color var(--blog-transition), box-shadow var(--blog-transition);
}

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-color: var(--c-accent);
  box-shadow: var(--shadow-2);
  transform: translateY(-2px);
}

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

.post-nav-label,
.post-nav-date {
  display: block;
  color: var(--c-muted);
  font-size: var(--blog-small);
}

.post-nav-label {
  margin-bottom: 0.6rem;
  color: var(--c-accent);
}

.post-nav-title {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-body);
  font-weight: var(--weight-normal);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.post-nav-date {
  font-family: var(--font-mono);
  font-size: var(--blog-tiny);
}

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

.float-cta {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  max-width: calc(100vw - 2.5rem);
  min-height: 3rem;
  padding: 0.85rem 1.25rem;
  border: var(--blog-rule) solid var(--c-accent-dk);
  border-radius: var(--r-pill);
  background: var(--c-accent);
  color: var(--blog-on-dark);
  box-shadow: var(--shadow-float);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  text-decoration: none;
  transition: background var(--blog-transition), transform var(--blog-transition);
}

.float-cta::before {
  content: "↗";
  font-family: var(--font-mono);
  font-size: var(--blog-body);
}

.float-cta:has(svg)::before {
  content: none;
}

.float-cta svg {
  width: 1.2rem;
  height: 1.2rem;
  flex-shrink: 0;
  fill: none;
  stroke: currentColor;
}

.float-cta:hover {
  background: var(--c-accent-dk);
  color: var(--blog-on-dark);
  transform: translateY(-2px);
}

body:has(.float-cta) {
  padding-bottom: calc(5rem + env(safe-area-inset-bottom));
}

@media (max-width: 860px) {
  .related-grid {
    grid-template-columns: 1fr;
  }

  .blog-article :is(.prose, .article-body) table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .blog-article :is(.prose, .article-body) th,
  .blog-article :is(.prose, .article-body) td {
    min-width: 9rem;
  }
}

@media (max-width: 640px) {
  .no-break {
    white-space: normal;
  }

  .blog-post-grid {
    grid-template-columns: minmax(0, 1fr);
  }

  .blog-list-hero {
    margin-bottom: 1.8rem;
  }

  .blog-list-shell {
    padding-block: 1.5rem 2rem;
  }

  .article-hero {
    --blog-stamp-size: 4.4rem;
    padding-block: 1.6rem;
  }

  .article-hero::after {
    top: 1rem;
    right: 1rem;
    font-size: var(--blog-tiny);
  }

  .article-hero .article-meta,
  .article-hero .hero-meta {
    align-content: flex-start;
    margin-bottom: 1rem;
  }

  .article-card {
    padding: 1.3rem;
  }

  .promo-block {
    padding: 1.5rem;
  }

  .promo-actions {
    width: 100%;
  }

  #post-nav {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.8rem;
    padding-block: 1rem 1.5rem;
  }

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

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

  .float-cta {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(0.8rem, env(safe-area-inset-bottom));
    max-width: calc(100vw - 2rem);
    min-height: 2.8rem;
    padding: 0.75rem 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .post-nav-card,
  .float-cta,
  .blog-filter {
    transition: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible,
  .float-cta:hover {
    transform: none;
  }

  .blog-article {
    scroll-behavior: auto;
  }
}