:root {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  --blog-body-size: 1rem;
  --blog-body-leading: 1.9;
  --blog-list-title: clamp(2rem, 4.5vw, 3rem);
  --blog-article-title: clamp(1.8rem, 3.8vw, 2.6rem);
  --blog-h2: clamp(1.3rem, 2.4vw, 1.6rem);
  --blog-h3: clamp(1.1rem, 2vw, 1.3rem);
  --blog-card-title: 1.2rem;
  --blog-small: 0.875rem;
  --blog-caption: 0.8rem;
  --blog-stat-size: clamp(1.5rem, 3vw, 2rem);
  --blog-tracking: -0.015em;
  --blog-rule: 4px;
  --blog-focus: 3px solid var(--accent);
  --blog-hover-bg: var(--accent-a07);
  --blog-success-bg: color-mix(in srgb, var(--success) 8%, var(--bg-panel));
  --blog-warning-bg: color-mix(in srgb, var(--warn) 9%, var(--bg-panel));
  --blog-promo-bg: linear-gradient(125deg, var(--sea-deep), var(--sea-light));
  --blog-terminal-bg: var(--sea-night);
  --blog-terminal-fg: var(--chrome-icon);
  --blog-transition: 180ms ease;
}

.blog-index,
.article-page {
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-body);
}

.blog-index main {
  background: linear-gradient(180deg, var(--accent-a03), var(--accent-a07) 22rem, var(--accent-a00) 45rem);
}

.blog-index *,
.article-page * {
  box-sizing: border-box;
}

.blog-index h1,
.blog-index h2,
.blog-index h3,
.article-hero h1,
.prose h1,
.prose h2,
.prose h3,
[data-article-body] h1,
[data-article-body] h2,
[data-article-body] h3,
#related-posts h2,
#related-posts h3,
#post-nav h2,
.article-card h3 {
  display: block;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
  overflow-wrap: anywhere;
  font-family: var(--font-display);
}

.blog-index :is(a, button):focus-visible,
.article-page :is(a, button, summary, [tabindex]):focus-visible,
.reading-wrap :is(a, button, summary, [tabindex]):focus-visible,
#related-posts a:focus-visible,
#post-nav a:focus-visible,
.float-cta:focus-visible {
  outline: var(--blog-focus);
  outline-offset: 4px;
}

.blog-visually-hidden,
.blog-index .blog-visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.blog-skip-link {
  position: fixed;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--white);
  background: var(--accent-dark);
  border-radius: var(--r-sm);
  transform: translateY(-180%);
}

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

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

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

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

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

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration: none;
}

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

.breadcrumbs [aria-current="page"] {
  color: var(--text);
}

.blog-masthead {
  border-top: var(--blog-rule) solid var(--accent);
  border-bottom: 1px solid var(--border);
  padding-block: 1.35rem 2rem;
}

.blog-kicker {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: var(--blog-caption);
  font-weight: var(--weight-medium);
  color: var(--accent-dark);
  letter-spacing: 0.06em;
}

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

.blog-intro {
  max-width: 48rem;
  margin: 1.15rem 0 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
}

.blog-catalog.section {
  padding-block: 1.75rem 3.5rem;
}

.blog-filter-row {
  margin-bottom: 1.75rem;
}

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

.blog-filter {
  appearance: none;
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  font-weight: var(--weight-medium);
  line-height: 1.4;
  cursor: pointer;
  transition: color var(--blog-transition), background var(--blog-transition), border-color var(--blog-transition);
}

.blog-filter:hover {
  color: var(--accent-dark);
  border-color: var(--accent);
  background: var(--blog-hover-bg);
}

.blog-filter.is-active,
.blog-filter[aria-pressed="true"] {
  color: var(--white);
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.blog-result-status {
  min-height: 1.5em;
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-caption);
  line-height: 1.6;
}

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

.article-card {
  position: relative;
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  color: var(--text);
  background: var(--bg-panel);
  box-shadow: var(--shadow-panel), inset 0 1px 0 var(--white-a75);
  transition: border-color var(--blog-transition), transform var(--blog-transition), box-shadow var(--blog-transition);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--accent);
  transform: translateY(-3px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 0.5rem 0.8rem;
  margin-bottom: 0.95rem;
  color: var(--text-muted);
  font-size: var(--blog-caption);
  line-height: 1.6;
}

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

.article-meta .tag {
  display: inline-block;
  max-width: 100%;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--accent-a14);
  border-radius: var(--r-pill);
  background: var(--accent-a07);
  color: var(--accent-dark);
  font-family: var(--font-body);
  font-size: var(--blog-caption);
  font-weight: var(--weight-semibold);
  line-height: 1.6;
  white-space: normal;
  overflow-wrap: anywhere;
}

.article-card h3 {
  margin: 0 0 0.85rem;
  font-size: var(--blog-card-title);
  font-weight: var(--weight-bold);
  line-height: 1.65;
}

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

.article-card h3 a:hover {
  color: var(--accent-dark);
}

.article-card .article-summary {
  margin: 0 0 1.2rem;
  color: var(--text-muted);
  font-size: var(--blog-small);
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.article-link {
  align-self: flex-start;
  display: inline-block;
  margin-top: auto;
  padding-block: 0.35rem;
  color: var(--accent-dark);
  font-size: var(--blog-small);
  font-weight: var(--weight-semibold);
  line-height: 1.6;
  text-decoration: none;
}

.article-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.25em;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
}

.blog-empty h3 {
  margin: 0 0 0.75rem;
  font-size: var(--blog-h3);
}

.blog-empty p,
.blog-noscript {
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
}

.blog-empty p {
  margin: 0;
}

.blog-noscript {
  padding: 1.5rem;
  background: var(--bg-panel);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
}

.blog-noscript li + li {
  margin-top: 0.8rem;
}

.blog-noscript a {
  color: var(--accent-dark);
}

/* 阅读列的盒宽包含两侧内衬，刊头、面包屑与正文使用同一条边线。 */
.reading-wrap,
.article-hero,
.article-page .breadcrumbs,
body:not(.blog-index) .breadcrumbs,
#related-posts,
#post-nav {
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--blog-gutter) + var(--blog-gutter));
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
  box-sizing: border-box;
}

.reading-wrap {
  padding-block: 0;
}

.article-hero {
  position: relative;
  margin-top: 1.25rem;
  margin-bottom: 1.5rem;
  padding-block: 1.5rem 1.5rem;
  border: 0;
  border-radius: 0;
  background: none;
  box-shadow: none;
}

.article-hero::before,
.article-hero::after {
  content: "";
  position: absolute;
  left: var(--blog-gutter);
  right: var(--blog-gutter);
  pointer-events: none;
}

.article-hero::before {
  top: 0;
  height: var(--blog-rule);
  background: linear-gradient(90deg, var(--accent) 0 78%, var(--sea-deep) 78% 100%);
}

.article-hero::after {
  bottom: 0;
  height: 1px;
  background: var(--border);
}

.article-hero .article-meta {
  margin: 0 0 1rem;
  justify-content: flex-start;
  gap: 0.5rem;
}

.article-hero .article-meta :is(time, .read-time, .reading-time) {
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text-muted);
  font-size: var(--blog-caption);
  line-height: 1.6;
}

.article-hero .article-meta .tag {
  padding: 0.25rem 0.65rem;
  color: var(--white);
  background: var(--accent-dark);
  border-color: var(--accent-dark);
}

.article-hero h1 {
  margin: 0;
  color: var(--text);
  font-size: var(--blog-article-title);
  font-weight: var(--weight-heavy);
  line-height: 1.4;
  text-align: left;
}

.article-hero :is(.article-summary, .article-deck, .article-lead) {
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
  overflow-wrap: anywhere;
}

.prose,
[data-article-body] {
  min-width: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
  overflow-wrap: anywhere;
  counter-reset: blog-section;
}

.prose h2,
[data-article-body] h2 {
  margin: 2.4rem 0 1rem;
  color: var(--text);
  font-size: var(--blog-h2);
  font-weight: var(--weight-bold);
  line-height: 1.6;
  scroll-margin-top: var(--anchor-gap);
}

.prose h2::before,
[data-article-body] h2::before {
  counter-increment: blog-section;
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.65rem;
  padding: 0.05rem 0.4rem;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--accent-a08);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-semibold);
  vertical-align: 0.12em;
}

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

.prose h3,
[data-article-body] h3 {
  margin: 1.65rem 0 0.7rem;
  font-size: var(--blog-h3);
  font-weight: var(--weight-bold);
  line-height: 1.65;
}

.prose :is(p, ul, ol),
[data-article-body] :is(p, ul, ol) {
  margin-block: 0 1.15rem;
}

.prose :is(ul, ol),
[data-article-body] :is(ul, ol) {
  padding-inline-start: 1.5rem;
}

.prose li + li,
[data-article-body] li + li {
  margin-top: 0.5rem;
}

.prose li::marker,
[data-article-body] li::marker {
  color: var(--accent-dark);
}

.prose a,
[data-article-body] a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose :is(img, svg, video),
[data-article-body] :is(img, svg, video) {
  max-width: 100%;
}

.prose img,
[data-article-body] img {
  height: auto;
  border-radius: var(--r-md);
}

.prose hr,
[data-article-body] hr {
  margin-block: 2rem;
  border: 0;
  border-top: 1px solid var(--border);
}

.prose blockquote,
[data-article-body] blockquote {
  margin: 1.5rem 0;
  padding: 1.15rem 1.4rem;
  border-inline-start: 3px solid var(--accent);
  border-radius: 0 var(--r-md) var(--r-md) 0;
  background: var(--bg-panel-2);
  color: var(--text-muted);
}

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

.prose :not(pre) > code,
[data-article-body] :not(pre) > code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.prose pre,
[data-article-body] pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 2.8rem 1.3rem 1.3rem;
  overflow-x: auto;
  border: 1px solid var(--chrome-ink-2);
  border-radius: var(--r-md);
  background: var(--blog-terminal-bg);
  color: var(--blog-terminal-fg);
  box-shadow: var(--shadow-panel);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  line-height: 1.8;
  tab-size: 2;
}

.prose pre::before,
[data-article-body] pre::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1.3rem;
  width: 0.6rem;
  height: 0.6rem;
  border-radius: var(--r-round);
  background: var(--tl-red);
  box-shadow: 1rem 0 0 var(--tl-yellow), 2rem 0 0 var(--tl-green);
}

.prose pre code,
[data-article-body] pre code {
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-family: inherit;
  font-size: inherit;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.prose .table-scroll,
[data-article-body] .table-scroll {
  max-width: 100%;
  margin: 1.5rem 0;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  overscroll-behavior-inline: contain;
}

.prose table,
[data-article-body] table {
  width: 100%;
  margin: 1.5rem 0;
  border-collapse: collapse;
  background: var(--bg-panel);
  color: var(--text);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.prose .table-scroll table,
[data-article-body] .table-scroll table {
  margin: 0;
}

.prose caption,
[data-article-body] caption {
  padding: 0.8rem 1rem;
  text-align: left;
  font-weight: var(--weight-semibold);
  color: var(--text);
  background: var(--bg-panel-2);
}

.prose :is(th, td),
[data-article-body] :is(th, 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 {
  color: var(--white);
  background: var(--sea-deep);
  font-weight: var(--weight-semibold);
  word-break: keep-all;
}

.prose tbody :is(th, td):first-child,
[data-article-body] tbody :is(th, td):first-child {
  color: var(--text);
  font-weight: var(--weight-medium);
  word-break: keep-all;
}

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

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

.prose tbody tr:last-child :is(th, td),
[data-article-body] tbody tr:last-child :is(th, td) {
  border-bottom: 0;
}

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.2rem 1.3rem 1.2rem 3.7rem;
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-md);
  background: var(--accent-a07);
  color: var(--text);
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.25rem;
  left: 1.1rem;
  display: inline-block;
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid var(--accent);
  border-radius: var(--r-round);
  color: var(--accent-dark);
  background: var(--bg-panel);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-bold);
  line-height: 1.4rem;
  text-align: center;
}

.callout p:last-child {
  margin-bottom: 0;
}

.callout.warning,
.callout--warning {
  background: var(--blog-warning-bg);
  border-inline-start-color: var(--warn);
}

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

.callout.success,
.callout--success {
  background: var(--blog-success-bg);
  border-inline-start-color: var(--success);
}

.callout.success::before,
.callout--success::before {
  content: "↗";
  color: var(--text);
  border-color: var(--success);
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.9rem;
  margin: 1.5rem 0;
}

.stat-card {
  min-width: 0;
  padding: 1.2rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-md);
  background: var(--accent-a07);
}

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

.stat-num {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-stat-size);
  font-weight: var(--weight-bold);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.stat-card:nth-child(even) .stat-num {
  color: var(--sea-deep);
}

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

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

.check-list li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
}

.check-list li:nth-child(even) {
  background: var(--bg-panel-2);
}

.prose .check-list li + li,
[data-article-body] .check-list li + li {
  margin-top: 0.65rem;
}

.verdict {
  margin: 1.5rem 0;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--accent-a14);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-sm);
  color: var(--text);
  background: var(--accent-a07);
}

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

.verdict p:last-child {
  margin-bottom: 0;
}

.promo-block {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem 2rem;
  margin: 2.25rem 0 1.5rem;
  padding: 1.75rem;
  border: 1px solid var(--sea-light);
  border-radius: var(--r-lg);
  background: var(--blog-promo-bg);
  color: var(--white);
  box-shadow: var(--shadow-board);
}

.promo-block::before {
  content: "";
  position: absolute;
  inset: 0.45rem;
  border: 1px solid var(--white-a18);
  border-radius: var(--r-md);
  pointer-events: none;
}

.promo-block > div {
  flex: 1 1 16rem;
  min-width: 0;
}

.promo-block h2 {
  margin: 0 0 0.45rem;
  color: var(--white);
  font-size: var(--blog-h2);
  line-height: 1.5;
}

.prose .promo-block h2::before,
[data-article-body] .promo-block h2::before {
  content: none;
  counter-increment: none;
}

.promo-block p {
  margin: 0;
  color: var(--white);
  font-size: var(--blog-body-size);
  line-height: 1.8;
}

.promo-block .cta-row {
  flex: 0 1 auto;
  gap: 0.6rem;
}

.promo-block .btn--primary {
  color: var(--accent-dark);
  background: var(--white);
  border: 1px solid var(--white);
  box-shadow: none;
  text-decoration: none;
}

.promo-block .btn--primary:hover {
  color: var(--sea-deep);
  background: var(--bg-panel-2);
  border-color: var(--bg-panel-2);
}

.promo-block .btn--ghost {
  color: var(--white);
  background: none;
  border: 1px solid var(--white-a55);
  text-decoration: none;
}

.promo-block .btn--ghost:hover {
  color: var(--white);
  background: var(--white-a12);
  border-color: var(--white);
}

.promo-block a:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 4px;
}

#related-posts {
  padding-block: 1.5rem 1.25rem;
}

#post-nav {
  padding-block: 1.25rem 2rem;
}

#related-posts:empty,
#post-nav:empty {
  display: none;
}

.reading-wrap :is(#related-posts, #post-nav) {
  width: 100%;
  max-width: 100%;
  padding-inline: 0;
}

.blog-section-title,
#related-posts .blog-section-title,
#post-nav .blog-section-title {
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  font-weight: var(--weight-bold);
  line-height: 1.6;
  text-wrap: pretty;
  letter-spacing: var(--blog-tracking);
}

.prose :is(#related-posts, #post-nav) h2::before,
[data-article-body] :is(#related-posts, #post-nav) h2::before {
  content: none;
  counter-increment: none;
}

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

.related-card {
  padding: 1.25rem;
}

.related-card h3 {
  margin: 0 0 0.85rem;
  font-size: var(--blog-body-size);
  line-height: 1.7;
}

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

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

.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(--r-md);
  color: var(--text);
  background: var(--bg-panel);
  box-shadow: var(--shadow-panel);
  text-decoration: none;
  transition: border-color var(--blog-transition), transform var(--blog-transition);
}

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

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

.post-nav-label,
.post-nav-title,
.post-nav-date {
  display: block;
}

.post-nav-label {
  margin-bottom: 0.6rem;
  color: var(--accent-dark);
  font-size: var(--blog-small);
  font-weight: var(--weight-semibold);
}

.post-nav-title {
  color: var(--text);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-semibold);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.post-nav-date {
  margin-top: 0.85rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-caption);
}

.float-cta {
  position: fixed;
  z-index: 40;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  max-width: calc(100vw - 2.5rem);
  min-height: 3.1rem;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--accent);
  border-radius: var(--r-pill);
  background: linear-gradient(120deg, var(--accent-dark), var(--accent));
  color: var(--white);
  box-shadow: var(--shadow-cta);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  font-weight: var(--weight-semibold);
  line-height: 1.5;
  text-decoration: none;
  transition: transform var(--blog-transition), border-color var(--blog-transition);
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  color: inherit;
}

.float-cta:hover {
  color: var(--white);
  border-color: var(--accent-dark);
  transform: translateY(-2px);
}

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

  .prose table,
  [data-article-body] table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .prose :is(th, td),
  [data-article-body] :is(th, td) {
    min-width: 8rem;
  }

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

  .related-card .article-summary {
    margin-bottom: 0.9rem;
  }
}

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

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

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

  .blog-masthead {
    padding-block: 1.1rem 1.5rem;
  }

  .blog-hero h1 {
    font-size: min(var(--blog-list-title), 2.5rem);
  }

  .article-hero h1 {
    font-size: min(var(--blog-article-title), 2.5rem);
  }

  .article-card {
    padding: 1.25rem;
  }

  .article-hero {
    padding-block: 1.25rem;
    margin-bottom: 1.25rem;
  }

  .stat-card {
    padding: 1rem 1.2rem;
  }

  .callout {
    padding: 1.1rem 1rem 1.1rem 3.3rem;
  }

  .callout::before {
    left: 0.85rem;
    top: 1.15rem;
  }

  .promo-block {
    padding: 1.4rem;
    margin-top: 1.75rem;
  }

  .promo-block > .btn,
  .promo-block .cta-row {
    width: 100%;
  }

  .promo-block .cta-row .btn {
    flex: 1 1 auto;
  }

  .float-cta {
    right: max(0.8rem, env(safe-area-inset-right));
    bottom: max(0.8rem, env(safe-area-inset-bottom));
    max-width: calc(100vw - 1.6rem);
    min-height: 2.8rem;
    padding: 0.65rem 1rem;
  }

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

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

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