:root {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  --blog-body: 1rem;
  --blog-small: 0.875rem;
  --blog-caption: 0.8125rem;
  --blog-list-title: clamp(2rem, 4.5vw, 3rem);
  --blog-article-title: clamp(1.8rem, 3.7vw, 2.6rem);
  --blog-section-title: clamp(1.25rem, 2.3vw, 1.6rem);
  --blog-subtitle: clamp(1.125rem, 2vw, 1.3rem);
  --blog-card-title: 1.2rem;
  --blog-stat-size: clamp(1.5rem, 3vw, 2rem);
  --blog-hero-tint: color-mix(in srgb, var(--accent) 9%, var(--panel));
  --blog-hero-wash: color-mix(in srgb, var(--accent) 4%, var(--bg));
  --blog-hover: color-mix(in srgb, var(--accent) 7%, var(--panel));
  --blog-warn-tint: color-mix(in srgb, var(--warn) 10%, var(--panel));
  --blog-success-tint: color-mix(in srgb, var(--success) 9%, var(--panel));
  --blog-focus: color-mix(in srgb, var(--accent) 65%, var(--text));
  --blog-code-bg: color-mix(in srgb, var(--text) 94%, var(--accent-dark));
  --blog-code-text: var(--bg);
  --blog-promo-border: color-mix(in srgb, var(--on-accent) 55%, var(--accent-dark));
}

.blog-shell,
.reading-wrap,
.article-hero,
.article-breadcrumbs,
.blog-post-grid,
.related-grid,
.article-card,
.post-nav-card {
  box-sizing: border-box;
  min-width: 0;
}

.blog-shell {
  padding-bottom: 3rem;
}

.blog-skip {
  position: fixed;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 100;
  transform: translateY(-200%);
  padding: 0.75rem 1rem;
  background: var(--panel);
  color: var(--accent-dark);
  border: 1px solid var(--accent);
  border-radius: var(--r-btn);
  font-family: var(--f-body);
  font-size: var(--blog-body);
}

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

.blog-index :is(a, button):focus-visible,
.reading-wrap :is(a, button, summary, [tabindex]):focus-visible,
.article-hero a:focus-visible,
.breadcrumbs a:focus-visible,
.float-cta:focus-visible {
  outline: 3px solid var(--blog-focus);
  outline-offset: 4px;
}

.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.5rem;
  color: var(--text-muted);
  font-family: var(--f-body);
  font-size: var(--blog-small);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.35rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li {
  min-width: 0;
}

.breadcrumbs li + li::before {
  content: "›";
  margin-inline-end: 0.6rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-muted);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.breadcrumbs a:hover {
  color: var(--accent-dark);
}

.blog-list-hero,
.article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--r-card);
  color: var(--text);
  font-family: var(--f-body);
}

.blog-list-hero {
  padding: clamp(1.5rem, 4vw, 3.5rem);
  border: 1px solid var(--border);
  background: linear-gradient(160deg, var(--bg-top), var(--bg-bottom));
  box-shadow: var(--shadow-panel);
}

.blog-list-hero::before,
.article-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 1rem;
  left: 0.75rem;
  width: 64%;
  height: 65%;
  background: var(--blog-hero-tint);
  border-radius: var(--r-card);
  pointer-events: none;
}

.blog-list-hero::after,
.article-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: 1.25rem;
  bottom: 1.25rem;
  width: 18%;
  height: 0.35rem;
  border-top: 1px solid var(--border-strong);
  border-bottom: 1px solid var(--border-strong);
  pointer-events: none;
}

.blog-eyebrow {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-family: var(--f-mono);
  font-size: var(--blog-small);
  font-weight: 600;
  letter-spacing: 0.03em;
}

.blog-list-hero h1,
.article-hero h1,
.blog-index h2,
.blog-index h3,
.reading-wrap h1,
.reading-wrap h2,
.reading-wrap h3,
#related-posts h2,
#related-posts h3 {
  display: block;
  font-family: var(--f-display);
  letter-spacing: -0.015em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
  word-break: normal;
}

.blog-list-hero h1 {
  max-width: 21em;
  margin: 0;
  font-size: var(--blog-list-title);
  font-weight: 800;
  line-height: 1.3;
}

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

.blog-list-intro {
  max-width: 42rem;
  margin: 1.25rem 0 0;
  color: var(--text-muted);
  font-size: var(--blog-body);
  line-height: 1.9;
}

.blog-fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-top: 1.75rem;
}

.blog-fact-row > span {
  max-width: 100%;
  padding: 0.35rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--text-muted);
  font-size: var(--blog-small);
  line-height: 1.6;
  overflow-wrap: anywhere;
}

.blog-catalog {
  padding-top: 2.5rem;
}

.blog-catalog-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-bottom: 1rem;
}

.blog-catalog-head h2,
.blog-module-title {
  margin: 0;
  color: var(--text);
  font-size: var(--blog-section-title);
  line-height: 1.5;
}

.blog-result-count {
  margin: 0;
  color: var(--text-muted);
  font-family: var(--f-mono);
  font-size: var(--blog-small);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1.5rem;
}

.blog-filter {
  min-height: 2.75rem;
  max-width: 100%;
  padding: 0.55rem 0.95rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--text-muted);
  font-family: var(--f-body);
  font-size: var(--blog-small);
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: background var(--time-fast) var(--ease), border-color var(--time-fast) var(--ease), color var(--time-fast) var(--ease);
}

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

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

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

.blog-post-grid > *,
.related-grid > * {
  min-width: 0;
}

.blog-post-grid .article-card,
#related-posts .article-card {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  position: relative;
  margin: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-card);
  background: var(--panel);
  box-shadow: var(--shadow-xs);
  color: var(--text);
  font-family: var(--f-body);
  transition: border-color var(--time-fast) var(--ease), transform var(--time-fast) var(--ease), box-shadow var(--time-fast) var(--ease);
}

.blog-post-grid .article-card:hover,
#related-posts .article-card:hover,
.blog-post-grid .article-card:focus-within,
#related-posts .article-card:focus-within {
  border-top-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: var(--shadow-panel);
}

.article-meta,
.post-nav-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem 0.75rem;
  color: var(--text-muted);
  font-family: var(--f-body);
  font-size: var(--blog-caption);
  line-height: 1.6;
}

.article-meta time,
.post-nav-meta time {
  font-family: var(--f-mono);
}

.blog-post-grid .tag,
#related-posts .tag,
#post-nav .tag,
.article-hero .tag {
  display: inline-block;
  max-width: 100%;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-chip);
  background: var(--accent-dark);
  color: var(--on-accent);
  font-family: var(--f-body);
  font-size: var(--blog-caption);
  font-weight: 600;
  overflow-wrap: anywhere;
  white-space: normal;
}

.blog-post-grid .article-card h3,
#related-posts .article-card h3 {
  margin: 1rem 0 0.75rem;
  color: var(--text);
  font-size: var(--blog-card-title);
  font-weight: 700;
  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 1.5rem;
  color: var(--text-muted);
  font-size: var(--blog-body);
  line-height: 1.85;
  overflow-wrap: anywhere;
}

.article-card .article-read-link {
  align-self: flex-start;
  margin-top: auto;
  padding-block: 0.25rem;
  color: var(--accent-dark);
  font-size: var(--blog-small);
  font-weight: 700;
  text-decoration: none;
  text-underline-offset: 0.25em;
}

.article-card .article-read-link:hover {
  text-decoration: underline;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2rem 1.5rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--text-muted);
  font-size: var(--blog-body);
  line-height: 1.9;
}

.reading-wrap,
.article-hero,
.article-breadcrumbs {
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--blog-gutter) + var(--blog-gutter));
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
}

.article-breadcrumbs {
  margin-top: 1.5rem;
  padding-top: 0.25rem;
}

.article-hero {
  margin-block: 0 1.75rem;
  padding-block: 2rem;
  background: var(--blog-hero-wash);
  box-shadow: inset 0 1px 0 var(--hi);
}

.article-hero::before {
  top: 0.75rem;
  left: 0.5rem;
  width: 70%;
  height: 72%;
}

.article-hero h1 {
  max-width: 100%;
  margin: 1.1rem 0;
  color: var(--text);
  font-size: var(--blog-article-title);
  font-weight: 800;
  line-height: 1.45;
}

.article-hero .article-meta,
.article-hero .article-deck,
.article-hero .article-summary,
.article-hero > p:not(.blog-eyebrow) {
  margin-inline-start: 0.75rem;
}

.article-hero .article-meta {
  justify-content: flex-start;
}

.article-hero .article-meta > time,
.article-hero .article-meta > .read-time,
.article-hero .article-meta > .reading-time,
.article-hero .article-meta > span:not(.tag) {
  max-width: 100%;
  padding: 0.2rem 0.6rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-chip);
  background: var(--panel);
  color: var(--text-muted);
}

.article-hero .article-deck,
.article-hero .article-summary,
.article-hero > p:not(.blog-eyebrow) {
  margin-block: 0.75rem 0;
  color: var(--text-muted);
  font-size: var(--blog-body);
  line-height: 1.9;
}

.reading-wrap .prose,
.reading-wrap .article-body,
.reading-wrap [data-article-body],
.reading-wrap.prose,
.reading-wrap.article-body,
.reading-wrap[data-article-body] {
  max-width: 100%;
  margin-inline: auto;
  color: var(--text);
  font-family: var(--f-body);
  font-size: var(--blog-body);
  line-height: 1.9;
  overflow-wrap: anywhere;
  counter-reset: memo-section;
}

.reading-wrap :is(.prose, .article-body, [data-article-body]) > :first-child,
.reading-wrap:is(.prose, .article-body, [data-article-body]) > :first-child {
  margin-top: 0;
}

.reading-wrap :is(h2, h3) {
  color: var(--text);
  scroll-margin-top: var(--anchor-space);
}

.reading-wrap h2 {
  margin-block: 2.5rem 1rem;
  font-size: var(--blog-section-title);
  font-weight: 750;
  line-height: 1.65;
}

.reading-wrap :is(.prose, .article-body, [data-article-body]) h2::before,
.reading-wrap:is(.prose, .article-body, [data-article-body]) h2::before {
  counter-increment: memo-section;
  content: counter(memo-section, decimal-leading-zero);
  display: inline-block;
  margin-inline-end: 0.65rem;
  padding: 0.15rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel-2);
  color: var(--accent-dark);
  font-family: var(--f-mono);
  font-size: var(--blog-small);
  font-weight: 600;
  line-height: 1.6;
  vertical-align: 0.1em;
}

.reading-wrap h3 {
  margin-block: 1.75rem 0.75rem;
  font-size: var(--blog-subtitle);
  line-height: 1.65;
}

.reading-wrap :is(p, ul, ol, blockquote, pre, figure) {
  margin-block: 1rem;
}

.reading-wrap :is(ul, ol) {
  padding-inline-start: 1.5rem;
}

.reading-wrap li {
  margin-block: 0.45rem;
}

.reading-wrap :is(p, li, td, th) {
  font-size: var(--blog-body);
  line-height: 1.9;
}

.reading-wrap a:not(.btn):not(.post-nav-card):not(.article-read-link) {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.reading-wrap strong {
  color: var(--text);
  font-weight: 700;
}

.reading-wrap :is(img, svg, video) {
  max-width: 100%;
}

.reading-wrap img,
.reading-wrap video {
  height: auto;
  border-radius: var(--r-card);
}

.reading-wrap figure {
  margin-inline: 0;
}

.reading-wrap figcaption {
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-size: var(--blog-small);
  text-align: center;
}

.reading-wrap blockquote {
  margin-inline: 0;
  padding: 1rem 1.25rem;
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--panel-2);
  color: var(--text-muted);
}

.reading-wrap blockquote > :first-child {
  margin-top: 0;
}

.reading-wrap blockquote > :last-child {
  margin-bottom: 0;
}

.reading-wrap hr {
  margin-block: 2rem;
  border: 0;
  border-top: 1px solid var(--border);
}

.reading-wrap .table-scroll {
  width: 100%;
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--panel);
}

.reading-wrap table {
  width: 100%;
  max-width: 100%;
  margin-block: 1.5rem;
  border-spacing: 0;
  border-collapse: collapse;
  background: var(--panel);
  color: var(--text);
  font-family: var(--f-body);
  font-size: var(--blog-body);
}

.reading-wrap .table-scroll table {
  min-width: 40rem;
  max-width: none;
  margin: 0;
}

.reading-wrap th,
.reading-wrap td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
}

.reading-wrap thead th {
  background: var(--accent-dark);
  color: var(--on-accent);
  font-weight: 700;
  word-break: keep-all;
}

.reading-wrap tbody th,
.reading-wrap tbody td:first-child {
  color: var(--text);
  font-weight: 600;
}

.reading-wrap tbody tr:nth-child(even) {
  background: var(--panel-2);
}

.reading-wrap tbody tr:hover {
  background: var(--blog-hover);
}

.reading-wrap tbody tr:last-child > * {
  border-bottom: 0;
}

.reading-wrap code {
  padding: 0.15em 0.35em;
  border-radius: var(--r-sm);
  background: var(--panel-2);
  color: var(--accent-dark);
  font-family: var(--f-mono);
  font-size: var(--blog-small);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.reading-wrap pre {
  position: relative;
  max-width: 100%;
  padding: 3.25rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border-strong);
  border-radius: var(--r-card);
  background: var(--blog-code-bg);
  color: var(--blog-code-text);
  box-shadow: var(--shadow-xs);
  tab-size: 2;
}

.reading-wrap pre::before {
  content: "配置记录 / CODE";
  position: absolute;
  top: 0.75rem;
  left: 1.25rem;
  color: var(--blog-code-text);
  font-family: var(--f-mono);
  font-size: var(--blog-caption);
  letter-spacing: 0.04em;
}

.reading-wrap pre code {
  display: block;
  min-width: max-content;
  padding: 0;
  border: 0;
  background: var(--clear);
  color: var(--blog-code-text);
  font-family: var(--f-mono);
  font-size: var(--blog-small);
  line-height: 1.8;
  white-space: pre;
  word-break: normal;
  overflow-wrap: normal;
}

.reading-wrap .callout {
  position: relative;
  margin-block: 1.5rem;
  padding: 1.15rem 1.25rem 1.15rem 3.4rem;
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-card);
  background: var(--blog-hero-tint);
  color: var(--text);
}

.reading-wrap .callout::before {
  content: "i";
  position: absolute;
  top: 1.2rem;
  left: 1rem;
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--f-mono);
  font-size: var(--blog-small);
  font-weight: 700;
  line-height: 1.5rem;
  text-align: center;
}

.reading-wrap .callout:is(.warning, .callout-warning, .is-warning) {
  border-inline-start-color: var(--warn);
  background: var(--blog-warn-tint);
}

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

.reading-wrap .callout:is(.success, .callout-success, .is-success) {
  border-inline-start-color: var(--success);
  background: var(--blog-success-tint);
}

.reading-wrap .callout:is(.success, .callout-success, .is-success)::before {
  content: "✓";
  border-color: var(--accent-dark);
  color: var(--accent-dark);
}

.reading-wrap .callout > :first-child,
.reading-wrap .verdict > :first-child {
  margin-top: 0;
}

.reading-wrap .callout > :last-child,
.reading-wrap .verdict > :last-child {
  margin-bottom: 0;
}

.reading-wrap .stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 13rem), 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.reading-wrap .stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-card);
  background: var(--blog-hero-tint);
  box-shadow: var(--shadow-xs);
}

.reading-wrap .stat-card:nth-child(even) {
  border-top-color: var(--text-muted);
  background: var(--panel-2);
}

.reading-wrap .stat-num {
  display: block;
  color: var(--accent-dark);
  font-family: var(--f-mono);
  font-size: var(--blog-stat-size);
  font-weight: 700;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.reading-wrap .stat-card:nth-child(even) .stat-num {
  color: var(--text);
}

.reading-wrap .stat-label {
  display: block;
  margin-top: 0.6rem;
  color: var(--text-muted);
  font-size: var(--blog-small);
  line-height: 1.8;
}

.reading-wrap .check-list {
  display: grid;
  gap: 0.75rem;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.reading-wrap .check-list > li {
  margin: 0;
  padding: 1rem 1.15rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--panel);
  list-style: none;
}

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

.reading-wrap .verdict {
  margin-block: 1.5rem;
  padding: 1.15rem 1.35rem;
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-hero-tint);
  color: var(--text);
}

.reading-wrap .verdict strong:first-child {
  color: var(--accent-dark);
}

.blog-shell .promo-block,
.reading-wrap .promo-block {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  padding: 1.75rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-card);
  background: linear-gradient(125deg, var(--accent-dark), var(--accent));
  color: var(--on-accent);
  box-shadow: var(--shadow-panel), inset 0 1px 0 var(--hi-soft);
}

.blog-shell .blog-list-promo {
  margin-top: 2.5rem;
}

.reading-wrap .promo-block {
  margin-block: 2rem 1.5rem;
}

.promo-block > div {
  min-width: 0;
}

.promo-block > div:first-child {
  flex: 1 1 25rem;
}

.blog-shell .promo-block strong,
.reading-wrap .promo-block strong {
  color: var(--on-accent);
  font-family: var(--f-display);
  font-size: var(--blog-subtitle);
  line-height: 1.5;
}

.blog-shell .promo-block p,
.reading-wrap .promo-block p {
  max-width: 42rem;
  margin: 0.65rem 0 0;
  color: var(--on-accent);
  font-size: var(--blog-body);
  line-height: 1.85;
}

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

.blog-shell .promo-block .btn,
.reading-wrap .promo-block .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  min-height: 2.85rem;
  max-width: 100%;
  padding: 0.7rem 1.15rem;
  border: 1px solid var(--blog-promo-border);
  border-radius: var(--r-btn);
  font-family: var(--f-body);
  font-size: var(--blog-small);
  font-weight: 700;
  line-height: 1.5;
  text-align: center;
  text-decoration: none;
  white-space: normal;
}

.blog-shell .promo-block .btn-primary,
.reading-wrap .promo-block .btn-primary {
  border-color: var(--panel);
  background: var(--panel);
  color: var(--accent-dark);
  box-shadow: var(--shadow-xs);
}

.blog-shell .promo-block .btn-primary:hover,
.reading-wrap .promo-block .btn-primary:hover {
  background: var(--panel-2);
}

.blog-shell .promo-block .btn-ghost,
.reading-wrap .promo-block .btn-ghost {
  background: var(--clear);
  color: var(--on-accent);
}

.blog-shell .promo-block .btn-ghost:hover,
.reading-wrap .promo-block .btn-ghost:hover {
  background: var(--accent-dark);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 0;
  padding-block: 1rem 1.25rem;
}

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

#post-nav .post-nav-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--time-fast) var(--ease), transform var(--time-fast) var(--ease);
}

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

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

.post-nav-direction {
  color: var(--accent-dark);
  font-family: var(--f-body);
  font-size: var(--blog-small);
  font-weight: 700;
}

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

.post-nav-meta {
  margin-top: auto;
}

#related-posts {
  margin-block: 0;
  padding-block: 1.25rem 2.5rem;
}

#related-posts .blog-module-title {
  margin-block: 0 1.25rem;
  font-size: var(--blog-section-title);
}

#related-posts .blog-module-title::before {
  content: "";
  display: inline-block;
  width: 1.5rem;
  height: 0.2rem;
  margin-inline-end: 0.65rem;
  border-radius: var(--r-pill);
  background: var(--accent);
  vertical-align: middle;
}

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

#related-posts .article-card {
  padding: 1.15rem;
}

#related-posts .article-card h3 {
  font-size: var(--blog-body);
}

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

.float-cta {
  position: fixed;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  max-width: calc(100vw - 2rem);
  min-height: 3rem;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: linear-gradient(120deg, var(--accent-dark), var(--accent));
  box-shadow: var(--shadow-float);
  color: var(--on-accent);
  font-family: var(--f-body);
  font-size: var(--blog-small);
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  transition: transform var(--time-fast) var(--ease);
}

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

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

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

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

  .reading-wrap table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .reading-wrap .table-scroll table {
    display: table;
    width: 100%;
    min-width: 40rem;
    max-width: none;
    overflow: visible;
  }
}

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

  .blog-shell {
    padding-bottom: 2rem;
  }

  .blog-list-hero {
    padding: 1.5rem;
  }

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

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

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

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

  .article-hero {
    padding-block: 1.75rem;
  }

  .article-hero::before {
    width: 82%;
  }

  .article-hero .article-meta,
  .article-hero .article-deck,
  .article-hero .article-summary,
  .article-hero > p:not(.blog-eyebrow) {
    margin-inline-start: 0.5rem;
  }

  .reading-wrap h2 {
    margin-top: 2rem;
  }

  .blog-shell .promo-block,
  .reading-wrap .promo-block {
    padding: 1.5rem;
  }

  .blog-promo-actions {
    width: 100%;
  }

  .blog-promo-actions .btn {
    flex: 1 1 auto;
  }

  .float-cta {
    right: max(0.75rem, env(safe-area-inset-right));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    max-width: calc(100vw - 1.5rem);
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
  }
}

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

  .blog-post-grid .article-card:hover,
  .blog-post-grid .article-card:focus-within,
  #related-posts .article-card:hover,
  #related-posts .article-card:focus-within,
  #post-nav .post-nav-card:hover,
  #post-nav .post-nav-card:focus-visible,
  .float-cta:hover {
    transform: none;
  }
}