:root {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter, 1.5rem));
  --blog-shell: 74rem;
  --blog-body-size: 1rem;
  --blog-small-size: 0.875rem;
  --blog-tiny-size: 0.75rem;
  --blog-list-title: clamp(2rem, 4.5vw, 3rem);
  --blog-article-title: clamp(1.75rem, 3.5vw, 2.6rem);
  --blog-h2: clamp(1.3rem, 2.4vw, 1.6rem);
  --blog-h3: clamp(1.1rem, 2vw, 1.3rem);
  --blog-stat-size: clamp(1.5rem, 3vw, 2rem);
  --blog-stamp-size: clamp(4rem, 8vw, 5.5rem);
  --blog-font: var(--font-body);
  --blog-heading-font: var(--font-display);
  --blog-code-font: var(--font-mono);
  --blog-regular: var(--weight-body, 400);
  --blog-medium: var(--weight-medium, 500);
  --blog-bold: var(--weight-bold, 700);
  --blog-heavy: var(--weight-display, 800);
  --blog-radius: var(--r-md, 0.625rem);
  --blog-small-radius: var(--r-sm, 0.5rem);
  --blog-pill: var(--r-pill, 999px);
  --blog-round: var(--r-circle, 50%);
  --blog-ink: var(--text);
  --blog-muted: var(--muted);
  --blog-paper: var(--panel);
  --blog-paper-alt: var(--panel-2);
  --blog-rule: var(--border);
  --blog-transparent: var(--clear, transparent);
  --blog-focus: var(--accent-dark);
  --blog-stamp-ink: var(--muted);
  --blog-table-head: var(--text);
  --blog-table-head-text: var(--panel);
  --blog-code-bg: var(--text);
  --blog-code-text: var(--panel);
  --blog-code-label: var(--border);
  --blog-dot: var(--dot, color-mix(in srgb, var(--text) 4%, transparent));
  --blog-soft-shadow: var(--shadow-panel, 0 14px 40px color-mix(in srgb, var(--accent) 10%, transparent));
  --blog-hover-shadow: 0 12px 30px color-mix(in srgb, var(--text) 8%, transparent);
  --blog-inset-light: inset 0 1px 0 var(--hi, color-mix(in srgb, var(--panel) 90%, transparent));
  --blog-note-bg: color-mix(in srgb, var(--panel-2) 65%, var(--panel));
  --blog-warning-bg: color-mix(in srgb, var(--warn) 9%, var(--panel));
  --blog-success-bg: color-mix(in srgb, var(--success) 9%, var(--panel));
  --blog-row-hover: color-mix(in srgb, var(--border) 40%, var(--panel));
  --blog-promo-start: var(--text);
  --blog-promo-end: color-mix(in srgb, var(--text) 85%, var(--panel-2));
  --blog-promo-text: var(--panel);
  --blog-promo-muted: color-mix(in srgb, var(--panel) 85%, var(--border));
  --blog-duration: 160ms;
  --blog-ease: ease-out;
}

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

.blog-list-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: var(--blog-shell);
  padding-inline: var(--blog-gutter);
  padding-bottom: 3rem;
  margin-inline: auto;
}

.reading-wrap,
.article-hero,
.article-breadcrumbs {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--blog-gutter) * 2);
  padding-inline: var(--blog-gutter);
  margin-inline: auto;
  min-width: 0;
}

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

.article-hero {
  padding-block: 2rem;
}

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

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

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

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

.breadcrumbs a,
.article-breadcrumbs a {
  color: inherit;
  text-underline-offset: 0.2em;
}

.blog-hero,
.article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-radius);
  background: var(--blog-paper-alt);
  box-shadow: var(--blog-inset-light), var(--blog-soft-shadow);
}

.blog-hero {
  padding-block: 2rem;
  padding-inline: var(--blog-gutter);
  margin-block-end: 2.5rem;
}

.article-hero {
  margin-block-end: 2rem;
}

.blog-hero::after,
.article-hero::after {
  content: "VD\A选线手册";
  white-space: pre;
  position: absolute;
  z-index: -1;
  top: 1rem;
  right: 1.1rem;
  display: grid;
  place-content: center;
  width: var(--blog-stamp-size);
  height: var(--blog-stamp-size);
  box-sizing: border-box;
  border: 3px double var(--blog-stamp-ink);
  border-radius: var(--blog-round);
  color: var(--blog-stamp-ink);
  font-family: var(--blog-code-font);
  font-size: var(--blog-small-size);
  font-weight: var(--blog-bold);
  line-height: 1.7;
  text-align: center;
  letter-spacing: 0.03em;
  transform: rotate(-11deg);
  pointer-events: none;
}

.blog-hero h1,
.article-hero h1,
.blog-article h1,
.blog-article h2,
.blog-article h3,
.blog-index 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(--blog-heading-font);
  color: var(--blog-ink);
  text-wrap: pretty;
  letter-spacing: -0.015em;
  word-break: normal;
  overflow-wrap: break-word;
}

.blog-hero h1 {
  max-width: 24ch;
  margin: 1rem 0;
  font-size: var(--blog-list-title);
  font-weight: var(--blog-heavy);
  line-height: 1.3;
}

.article-hero h1 {
  margin: 1.1rem 0 1rem;
  font-size: var(--blog-article-title);
  font-weight: var(--blog-heavy);
  line-height: 1.4;
}

.blog-hero > h1,
.blog-hero > p,
.article-hero > h1,
.article-hero > p,
.article-hero > .article-summary {
  padding-inline-end: calc(var(--blog-stamp-size) + 0.5rem);
}

.blog-hero > p,
.article-hero > p,
.article-summary {
  margin-block: 0;
  font-size: var(--blog-body-size);
  line-height: 1.9;
  color: var(--blog-muted);
}

.article-meta {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem 0.65rem;
  min-width: 0;
  font-size: var(--blog-small-size);
  font-weight: var(--blog-medium);
  line-height: 1.6;
  color: var(--blog-muted);
}

.blog-hero > .article-meta,
.article-hero > .article-meta {
  padding-inline-end: calc(var(--blog-stamp-size) + 0.5rem);
}

.article-meta time,
.article-meta .read-time,
.article-meta .reading-time,
.article-meta .blog-kicker {
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-pill);
  background: var(--blog-paper);
}

.article-meta .tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--blog-ink);
  border-radius: var(--blog-pill);
  background: var(--blog-ink);
  color: var(--blog-paper);
  font-size: inherit;
  font-weight: var(--blog-medium);
}

.blog-library {
  margin-block: 0 2.5rem;
}

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

.blog-library-heading h2,
#related-posts > h2,
.blog-promo h2 {
  margin: 0;
  font-size: var(--blog-h2);
  font-weight: var(--blog-bold);
  line-height: 1.5;
}

.blog-result-count {
  margin: 0;
  color: var(--blog-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

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

.blog-filter {
  position: relative;
  appearance: none;
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-small-radius);
  background: var(--blog-paper);
  color: var(--blog-ink);
  font-family: var(--blog-font);
  font-size: var(--blog-small-size);
  font-weight: var(--blog-medium);
  line-height: 1.5;
  cursor: pointer;
}

.blog-filter[aria-pressed="true"] {
  background: var(--blog-paper-alt);
  font-weight: var(--blog-bold);
}

.blog-filter[aria-pressed="true"]::after {
  content: "";
  position: absolute;
  inset-inline: 0.75rem;
  bottom: 0;
  height: 3px;
  border-radius: var(--blog-pill);
  background: var(--accent);
}

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

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

.article-card,
.related-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  min-width: 0;
  box-sizing: border-box;
  padding: 1.5rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-radius);
  background: var(--blog-paper);
  color: var(--blog-ink);
  box-shadow: var(--blog-inset-light), var(--blog-soft-shadow);
  transition:
    border-color var(--blog-duration) var(--blog-ease),
    box-shadow var(--blog-duration) var(--blog-ease),
    transform var(--blog-duration) var(--blog-ease);
}

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

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

.article-card > p {
  margin: 0;
  color: var(--blog-muted);
  font-size: var(--blog-body-size);
  line-height: 1.85;
  overflow-wrap: anywhere;
}

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

.article-card:hover,
.article-card:focus-within,
.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-color: var(--blog-muted);
  box-shadow: var(--blog-inset-light), var(--blog-hover-shadow);
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--blog-rule);
  border-radius: var(--blog-radius);
  background: var(--blog-paper);
  text-align: center;
}

.blog-empty h3 {
  margin: 0 0 0.5rem;
  font-size: var(--blog-h3);
}

.blog-empty p {
  margin: 0;
  color: var(--blog-muted);
  line-height: 1.85;
}

.blog-empty a {
  color: var(--blog-ink);
  text-underline-offset: 0.2em;
}

.reading-wrap .prose,
.prose.reading-wrap,
.blog-article .prose {
  font-family: var(--blog-font);
  font-size: var(--blog-body-size);
  font-weight: var(--blog-regular);
  line-height: 1.9;
  color: var(--blog-ink);
  overflow-wrap: break-word;
  counter-reset: blog-section;
}

.reading-wrap.prose {
  width: 100%;
  max-width: calc(var(--blog-reading) + var(--blog-gutter) * 2);
  padding-inline: var(--blog-gutter);
  margin-inline: auto;
}

.prose h2 {
  position: relative;
  display: block;
  margin: 2.25rem 0 1rem;
  font-family: var(--blog-heading-font);
  font-size: var(--blog-h2);
  font-weight: var(--blog-bold);
  line-height: 1.65;
  letter-spacing: -0.015em;
  text-wrap: pretty;
  counter-increment: blog-section;
}

.prose h2::before {
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  vertical-align: baseline;
  margin-inline-end: 0.65rem;
  padding: 0.05rem 0.45rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-small-radius);
  background: var(--blog-paper-alt);
  color: var(--blog-muted);
  font-family: var(--blog-code-font);
  font-size: var(--blog-small-size);
  font-weight: var(--blog-medium);
  letter-spacing: 0;
}

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

.prose h3 {
  display: block;
  margin: 1.75rem 0 0.75rem;
  font-family: var(--blog-heading-font);
  font-size: var(--blog-h3);
  font-weight: var(--blog-bold);
  line-height: 1.7;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.prose p,
.prose ul,
.prose ol,
.prose blockquote {
  margin-block: 0 1.25rem;
}

.prose p,
.prose li {
  font-size: var(--blog-body-size);
  line-height: 1.9;
}

.prose ul,
.prose ol {
  padding-inline-start: 1.5rem;
}

.prose li + li {
  margin-top: 0.5rem;
}

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

.prose a:hover {
  text-decoration-thickness: 2px;
}

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

.prose blockquote {
  padding: 1.25rem 1.5rem;
  border-inline-start: 3px solid var(--blog-muted);
  border-radius: var(--blog-small-radius);
  background: var(--blog-note-bg);
  color: var(--blog-ink);
}

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

.prose hr {
  height: 0;
  margin-block: 2rem;
  border: 0;
  border-top: 1px solid var(--blog-rule);
}

.prose img,
.prose video,
.prose svg {
  max-width: 100%;
}

.prose img,
.prose video {
  height: auto;
  border-radius: var(--blog-small-radius);
}

.prose figure {
  margin: 1.5rem 0;
}

.prose figcaption {
  margin-top: 0.5rem;
  color: var(--blog-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose :not(pre) > code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-small-radius);
  background: var(--blog-paper-alt);
  color: var(--blog-ink);
  font-family: var(--blog-code-font);
  font-size: var(--blog-small-size);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.prose pre {
  position: relative;
  box-sizing: border-box;
  max-width: 100%;
  margin-block: 1.5rem;
  padding: 3rem 1.25rem 1.25rem;
  border: 1px solid var(--blog-code-bg);
  border-radius: var(--blog-radius);
  background: var(--blog-code-bg);
  color: var(--blog-code-text);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
  tab-size: 2;
}

.prose pre::before {
  content: "VPNDeep / CONFIG";
  position: absolute;
  inset-block-start: 0.75rem;
  inset-inline-start: 1.25rem;
  color: var(--blog-code-label);
  font-family: var(--blog-code-font);
  font-size: var(--blog-tiny-size);
  line-height: 1.5;
  letter-spacing: 0.04em;
}

.prose pre code {
  padding: 0;
  border: 0;
  background: var(--blog-transparent);
  color: inherit;
  font-family: var(--blog-code-font);
  font-size: var(--blog-small-size);
  line-height: 1.85;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.prose .table-scroll,
.reading-wrap .table-scroll {
  max-width: 100%;
  min-width: 0;
  margin-block: 1.5rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-small-radius);
  overflow-x: auto;
  overscroll-behavior-inline: contain;
}

.prose table,
.reading-wrap .data-table {
  width: 100%;
  max-width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  border-spacing: 0;
  color: var(--blog-ink);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.prose .table-scroll table {
  margin-block: 0;
  min-width: 38rem;
}

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

.prose thead th {
  background: var(--blog-table-head);
  color: var(--blog-table-head-text);
  font-weight: var(--blog-bold);
}

.prose tbody tr {
  background: var(--blog-paper);
}

.prose tbody tr:nth-child(even) {
  background: var(--blog-paper-alt);
}

.prose tbody tr:hover {
  background: var(--blog-row-hover);
}

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

.prose caption {
  padding: 0.75rem 1rem;
  color: var(--blog-muted);
  font-size: var(--blog-small-size);
  text-align: start;
  caption-side: bottom;
}

.prose .callout,
.reading-wrap .callout {
  position: relative;
  margin-block: 1.5rem;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border: 1px solid var(--blog-rule);
  border-inline-start: 3px solid var(--blog-muted);
  border-radius: var(--blog-small-radius);
  background: var(--blog-note-bg);
  color: var(--blog-ink);
}

.prose .callout::before,
.reading-wrap .callout::before {
  content: "i";
  position: absolute;
  inset-block-start: 1.25rem;
  inset-inline-start: 1rem;
  display: inline-grid;
  place-items: center;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid currentColor;
  border-radius: var(--blog-round);
  color: var(--blog-muted);
  font-family: var(--blog-code-font);
  font-size: var(--blog-small-size);
  font-weight: var(--blog-bold);
  line-height: 1;
}

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

.prose .callout.warning::before,
.prose .callout--warning::before,
.reading-wrap .callout.warning::before,
.reading-wrap .callout--warning::before {
  content: "!";
  color: var(--warn);
}

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

.prose .callout.success::before,
.prose .callout--success::before,
.reading-wrap .callout.success::before,
.reading-wrap .callout--success::before {
  content: "i";
  color: var(--success);
}

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

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

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--blog-rule);
  border-top: 3px solid var(--blog-muted);
  border-radius: var(--blog-small-radius);
  background: var(--blog-paper);
  box-shadow: var(--blog-inset-light);
}

.stat-card:nth-child(even) {
  background: var(--blog-paper-alt);
  border-top-color: var(--blog-ink);
}

.stat-num {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--blog-ink);
  font-family: var(--blog-code-font);
  font-size: var(--blog-stat-size);
  font-weight: var(--blog-bold);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

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

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

.prose .check-list li,
.reading-wrap .check-list li {
  margin: 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-small-radius);
  background: var(--blog-paper);
  list-style: none;
  line-height: 1.9;
}

.prose .verdict,
.reading-wrap .verdict {
  margin-block: 1.5rem;
  padding: 1.25rem 1.5rem;
  border: 1px solid var(--blog-rule);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--blog-small-radius);
  background: var(--blog-paper);
  color: var(--blog-ink);
  line-height: 1.9;
}

.verdict > strong:first-child {
  font-weight: var(--blog-bold);
}

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

.blog-promo,
.reading-wrap .promo-block,
.blog-article .promo-block {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  box-sizing: border-box;
  margin-block: 2rem;
  padding: 1.75rem;
  border: 1px solid var(--blog-promo-start);
  border-radius: var(--blog-radius);
  background: linear-gradient(125deg, var(--blog-promo-start), var(--blog-promo-end));
  color: var(--blog-promo-text);
  box-shadow: var(--blog-soft-shadow);
}

.blog-promo > div:first-child,
.reading-wrap .promo-block > div:first-child,
.blog-article .promo-block > div:first-child {
  flex: 1 1 22rem;
  min-width: 0;
}

.blog-promo h2,
.blog-promo h3,
.reading-wrap .promo-block h2,
.reading-wrap .promo-block h3,
.blog-article .promo-block h2,
.blog-article .promo-block h3 {
  margin: 0 0 0.5rem;
  color: var(--blog-promo-text);
  font-family: var(--blog-heading-font);
  font-size: var(--blog-h3);
  font-weight: var(--blog-bold);
  line-height: 1.5;
}

.prose .promo-block h2::before {
  content: none;
}

.blog-promo p,
.reading-wrap .promo-block p,
.blog-article .promo-block p {
  margin: 0;
  color: var(--blog-promo-muted);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

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

.blog-promo .btn,
.reading-wrap .promo-block .btn,
.blog-article .promo-block .btn {
  min-height: 2.75rem;
  border-radius: var(--blog-small-radius);
  font-family: var(--blog-font);
  font-size: var(--blog-small-size);
  font-weight: var(--blog-bold);
  text-decoration: none;
}

.blog-promo .btn-primary,
.reading-wrap .promo-block .btn-primary,
.blog-article .promo-block .btn-primary {
  border: 1px solid var(--blog-paper);
  background: var(--blog-paper);
  color: var(--blog-ink);
  box-shadow: none;
}

.blog-promo .btn-ghost,
.reading-wrap .promo-block .btn-ghost,
.blog-article .promo-block .btn-ghost {
  border: 1px solid var(--blog-promo-muted);
  background: var(--blog-transparent);
  color: var(--blog-promo-text);
}

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

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

#related-posts > h2 {
  margin-bottom: 1.25rem;
}

#related-posts > h2::before {
  content: none;
}

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

.related-card {
  padding: 1.25rem;
}

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

.related-card .article-meta {
  font-size: var(--blog-tiny-size);
}

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

.post-nav-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0.75rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--blog-rule);
  border-radius: var(--blog-radius);
  background: var(--blog-paper);
  color: var(--blog-ink);
  text-decoration: none;
  box-shadow: var(--blog-inset-light);
  transition:
    border-color var(--blog-duration) var(--blog-ease),
    box-shadow var(--blog-duration) var(--blog-ease),
    transform var(--blog-duration) var(--blog-ease);
}

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

.post-nav-caption {
  color: var(--blog-muted);
  font-size: var(--blog-small-size);
  line-height: 1.6;
}

.post-nav-prev .post-nav-caption::before {
  content: "← ";
}

.post-nav-next .post-nav-caption::after {
  content: " →";
}

.post-nav-title {
  color: var(--blog-ink);
  font-family: var(--blog-heading-font);
  font-size: var(--blog-body-size);
  font-weight: var(--blog-bold);
  line-height: 1.8;
  overflow-wrap: break-word;
}

.post-nav-card .article-meta {
  margin-top: auto;
  font-size: var(--blog-tiny-size);
}

.float-cta {
  position: fixed;
  z-index: 40;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: calc(1.25rem + env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  box-sizing: border-box;
  max-width: calc(100vw - 2.5rem);
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--blog-pill);
  background: var(--accent);
  color: var(--on-accent);
  box-shadow: var(--blog-soft-shadow);
  font-family: var(--blog-font);
  font-size: var(--blog-small-size);
  font-weight: var(--blog-bold);
  line-height: 1.5;
  text-decoration: none;
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.8;
}

.float-cta:hover {
  background: var(--accent-dark);
}

body:has(.float-cta) {
  padding-bottom: calc(5.5rem + env(safe-area-inset-bottom));
}

.blog-filter:focus-visible,
.article-card a:focus-visible,
.breadcrumbs a:focus-visible,
.article-breadcrumbs a:focus-visible,
.prose a:focus-visible,
.table-scroll:focus-visible,
.post-nav-card:focus-visible,
.float-cta:focus-visible,
.blog-promo a:focus-visible {
  outline: 3px solid var(--blog-focus);
  outline-offset: 4px;
}

.blog-promo a:focus-visible,
.reading-wrap .promo-block a:focus-visible {
  outline-color: var(--blog-paper);
}

@media (hover: hover) and (prefers-reduced-motion: no-preference) {
  .article-card:hover,
  .post-nav-card:hover {
    transform: translateY(-2px);
  }
}

@media (max-width: 860px) {
  .prose table,
  .reading-wrap .data-table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    overscroll-behavior-inline: contain;
  }

  .prose .table-scroll table {
    display: table;
    width: 100%;
    max-width: none;
    overflow: visible;
  }

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

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

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

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

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

  .blog-hero,
  .article-hero {
    padding-top: calc(var(--blog-stamp-size) + 2rem);
    padding-bottom: 1.5rem;
  }

  .blog-hero > h1,
  .blog-hero > p,
  .blog-hero > .article-meta,
  .article-hero > h1,
  .article-hero > p,
  .article-hero > .article-summary,
  .article-hero > .article-meta {
    padding-inline-end: 0;
  }

  .blog-hero::after,
  .article-hero::after {
    top: 1rem;
    right: 1.5rem;
  }

  .blog-hero h1 {
    margin-block: 0.9rem;
  }

  .article-card,
  .related-card {
    padding: 1.25rem;
  }

  .blog-filters {
    gap: 0.5rem;
  }

  .blog-filter {
    padding-inline: 0.75rem;
  }

  .prose h2 {
    margin-top: 1.75rem;
  }

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

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

  .blog-promo-actions .btn {
    flex: 1 1 8rem;
  }

  .float-cta {
    right: max(1rem, env(safe-area-inset-right));
    bottom: calc(0.75rem + env(safe-area-inset-bottom));
    max-width: calc(100vw - 2rem);
    min-height: 2.75rem;
    padding: 0.65rem 1rem;
  }
}

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

@media print {
  .float-cta,
  .blog-filters,
  .blog-promo,
  .promo-block,
  #post-nav,
  #related-posts {
    display: none;
  }

  .reading-wrap,
  .article-hero,
  .article-breadcrumbs {
    width: 100%;
    max-width: none;
  }

  .article-hero,
  .article-card {
    box-shadow: none;
  }

  .prose pre {
    white-space: pre-wrap;
  }

  .prose pre code {
    white-space: pre-wrap;
    overflow-wrap: anywhere;
  }
}