/* VPNFH blog surface: list cards + long-form article reading system */

body {
  --blog-col: 56rem;
  --blog-gutter: clamp(1.5rem, 4vw, 2.25rem);
}

/* Shared breadcrumbs */

.breadcrumbs {
  margin: 0;
}

.breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem 0.55rem;
  margin: 0;
  padding: 0;
  list-style: none;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.5;
}

.breadcrumbs-list li {
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  min-width: 0;
}

.breadcrumbs-list li + li::before {
  content: "/";
  color: var(--text-faint);
}

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

.breadcrumbs-list a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

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

/* Blog list hero */

.blog-hero {
  position: relative;
  overflow: hidden;
  padding-block: 0 clamp(2rem, 4vw, 3rem);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(180deg, var(--bg-panel-3), var(--bg));
}

.blog-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--accent) 14%, transparent) 1px, transparent 1px);
  background-size: 18px 18px;
  opacity: 0.5;
  pointer-events: none;
}

.blog-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 18% 0%, color-mix(in srgb, var(--accent) 14%, transparent), transparent 62%);
  pointer-events: none;
}

.blog-hero-inner {
  position: relative;
  z-index: 1;
}

.blog-hero .breadcrumbs {
  padding-top: 1.5rem;
  margin-bottom: clamp(2rem, 4vw, 3rem);
}

.blog-kicker {
  margin: 0 0 0.75rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.blog-hero-title {
  max-width: 48rem;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.12;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.blog-hero-lead {
  max-width: 46rem;
  margin: 1rem 0 0;
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.8;
  overflow-wrap: break-word;
}

.blog-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.blog-hero-facts {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
}

.blog-fact {
  display: inline-flex;
  align-items: baseline;
  gap: 0.35rem;
  max-width: 100%;
  padding: 0.4rem 0.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.blog-fact strong {
  color: var(--text);
  font-family: var(--font-mono);
  font-weight: 500;
}

/* List section */

.blog-list-sec {
  padding-block: clamp(2rem, 4vw, 3rem) clamp(3rem, 6vw, 5rem);
}

.blog-list-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
}

.blog-list-title {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

.post-count {
  margin: 0;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.5;
}

.blog-toolbar {
  margin-top: 1rem;
  margin-bottom: 1.5rem;
}

.filter-group {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.filter-btn {
  min-height: 36px;
  max-width: 100%;
  padding: 0.45rem 0.9rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.875rem;
  line-height: 1.2;
  white-space: nowrap;
  cursor: pointer;
  transition: background-color 0.18s ease, border-color 0.18s ease, color 0.18s ease, transform 0.18s ease;
}

.filter-btn:hover {
  border-color: var(--accent-line);
  background: var(--bg-panel-3);
  color: var(--text);
}

.filter-btn.is-active {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--bg-panel);
}

.filter-btn.is-active:hover {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
}

/* Post cards */

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

.blog-page .post-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
  padding: clamp(1.15rem, 2.5vw, 1.5rem);
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card-soft);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.blog-page .post-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: transparent;
  transition: background-color 0.18s ease;
}

.blog-page .post-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-line);
  box-shadow: var(--shadow-float);
}

.blog-page .post-card:hover::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.blog-page .post-card:focus-within {
  border-color: var(--accent-line);
}

.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
}

.post-meta time {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.5;
}

.post-meta .tag-badge,
.related-meta .tag-badge {
  display: inline-block;
  max-width: 100%;
  padding: 0.25rem 0.55rem;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-pill);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.7rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.post-title {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.5;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.post-title a {
  color: var(--text);
  text-decoration: none;
}

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

.post-excerpt {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.8;
  overflow-wrap: break-word;
}

.post-more {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  align-self: flex-start;
  margin-top: auto;
  padding-top: 0.25rem;
  color: var(--accent-dark);
  font-size: 0.875rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.22em;
}

.post-more:hover {
  color: var(--accent);
}

.post-more svg {
  flex: none;
}

.empty-state {
  margin: 1.5rem 0 0;
  padding: 1.25rem;
  border: 1px dashed var(--border-strong);
  border-radius: var(--r-card);
  background: var(--bg-panel-3);
  color: var(--text-muted);
  text-align: center;
}

/* Article breadcrumb and hero */

.article-breadcrumbs {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-col) + 2 * var(--blog-gutter));
  margin-inline: auto;
  padding: 1.5rem var(--blog-gutter) 1rem;
}

.article-hero {
  position: relative;
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-col) + 2 * var(--blog-gutter));
  margin-inline: auto;
  padding: calc(2.4rem + 1.75rem) var(--blog-gutter) clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--border);
  border-radius: var(--r-panel);
  background: linear-gradient(180deg, var(--bg-panel), var(--bg-panel-3));
  box-shadow: var(--shadow-card-soft);
  overflow: hidden;
}

.article-hero::before {
  content: "VPNFH · 阅读视图";
  position: absolute;
  inset: 0 0 auto;
  display: flex;
  align-items: center;
  justify-content: flex-end;
  height: 2.4rem;
  padding-inline: 1.25rem;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, var(--bg-panel-2), var(--bg-panel));
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.04em;
  line-height: 1;
}

.article-hero::after {
  content: "";
  position: absolute;
  top: 1.05rem;
  left: 1.25rem;
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--error);
  box-shadow: 0.85rem 0 0 var(--warn), 1.7rem 0 0 var(--success);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  margin-bottom: 1rem;
}

.article-meta .tag-badge {
  display: inline-block;
  max-width: 100%;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--accent);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--bg-panel);
  font-size: 0.7rem;
  line-height: 1.4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.article-meta time,
.article-readtime {
  display: inline-flex;
  align-items: center;
  min-height: 1.9rem;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.4;
}

.article-title {
  margin: 0 0 0.85rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4.2vw, 2.6rem);
  font-weight: 500;
  letter-spacing: -0.02em;
  line-height: 1.16;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.article-summary {
  margin: 0;
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.85;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

/* Reading column: explicitly aligned with article hero */

.reading-wrap,
.blog-article .reading-wrap {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-col) + 2 * var(--blog-gutter));
  margin-inline: auto;
  padding: clamp(1.75rem, 4vw, 2.5rem) var(--blog-gutter) 0;
}

/* Long-form prose */

.prose {
  counter-reset: section;
  color: var(--text);
  font-size: 1rem;
  line-height: 1.9;
  overflow-wrap: break-word;
}

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

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

.prose p {
  margin: 0 0 1.15em;
}

.prose h2 {
  position: relative;
  margin: 2.4em 0 0.8em;
  padding-left: 2.9rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.35;
  counter-increment: section;
  text-wrap: pretty;
}

.prose h2::before {
  content: counter(section, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.1em;
  box-sizing: border-box;
  min-width: 2.15rem;
  padding: 0.15rem 0.35rem;
  border: 1px solid var(--accent-line);
  border-radius: var(--r-chip);
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.7em;
  line-height: 1.4;
  text-align: center;
}

.prose h3 {
  margin: 2em 0 0.6em;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 1.8vw, 1.3rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.45;
  text-wrap: pretty;
}

.prose a {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

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

.prose strong {
  color: var(--text);
  font-weight: 600;
}

.prose ul,
.prose ol {
  margin: 0 0 1.15em;
  padding-left: 1.4rem;
}

.prose li + li {
  margin-top: 0.4rem;
}

.prose blockquote {
  margin: 1.5em 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--accent-line);
  border-radius: 0 var(--r-chip) var(--r-chip) 0;
  background: var(--bg-panel-3);
  color: var(--text-muted);
}

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

.prose hr {
  margin: 2em 0;
  border: 0;
  border-top: 1px solid var(--border);
}

.prose img {
  max-width: 100%;
  height: auto;
  border-radius: var(--r-chip);
}

.prose code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--border);
  border-radius: var(--r-chip);
  background: var(--bg-panel-2);
  font-family: var(--font-mono);
  font-size: 0.88em;
  overflow-wrap: anywhere;
}

.prose pre {
  position: relative;
  margin: 1.5em 0;
  padding: 2.4rem 1.25rem 1.25rem;
  border-radius: var(--r-window);
  background: var(--ink);
  color: var(--bg-panel);
  box-shadow: var(--shadow-window);
  overflow-x: auto;
}

.prose pre::before {
  content: "";
  position: absolute;
  top: 1rem;
  left: 1.1rem;
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--error);
  box-shadow: 0.9rem 0 0 var(--warn), 1.8rem 0 0 var(--success);
}

.prose pre::after {
  content: "终端";
  position: absolute;
  top: 0.78rem;
  right: 1rem;
  color: color-mix(in srgb, var(--bg-panel) 55%, transparent);
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.08em;
}

.prose pre code {
  display: block;
  padding: 0;
  border: 0;
  background: none;
  color: inherit;
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-wrap: normal;
}

/* Tables */

.prose .table-scroll {
  max-width: 100%;
  margin: 1.5em 0;
  border: 1px solid var(--border);
  border-radius: var(--r-chip);
  overflow-x: auto;
}

.prose table {
  width: 100%;
  min-width: 38rem;
  border-collapse: collapse;
  font-size: 0.9375rem;
  line-height: 1.65;
}

.prose thead th {
  padding: 0.8rem 0.9rem;
  background: var(--accent-dark);
  color: var(--bg-panel);
  font-weight: 500;
  text-align: left;
  white-space: nowrap;
}

.prose tbody td {
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--border);
  vertical-align: top;
}

.prose tbody tr:nth-child(even) {
  background: var(--row-stripe);
}

.prose tbody tr:hover {
  background: var(--bg-panel-2);
}

/* Callouts */

.prose .callout {
  position: relative;
  display: block;
  margin: 1.5em 0;
  padding: 1rem 1.2rem 1rem 3.2rem;
  border: 1px solid var(--accent-line);
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r-chip) var(--r-chip) 0;
  background: var(--accent-soft);
  color: var(--text);
}

.prose .callout > svg {
  display: none;
}

.prose .callout::before {
  content: "i";
  position: absolute;
  top: 1rem;
  left: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.5rem;
  height: 1.5rem;
  border-radius: 50%;
  background: var(--accent);
  color: var(--bg-panel);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1;
}

.prose .callout p {
  margin: 0;
}

.prose .callout p + p {
  margin-top: 0.6rem;
}

.prose .callout-warn {
  border-color: color-mix(in srgb, var(--warn) 28%, var(--border));
  border-left-color: var(--warn);
  background: var(--warn-wash);
}

.prose .callout-warn::before {
  content: "!";
  background: var(--warn);
}

.prose .callout-ok {
  border-color: color-mix(in srgb, var(--success) 28%, var(--border));
  border-left-color: var(--success);
  background: var(--success-wash);
}

.prose .callout-ok::before {
  content: "✓";
  background: var(--success);
}

/* Stat cards */

.prose .stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(11rem, 1fr));
  gap: 1rem;
  margin: 1.5em 0;
}

.prose .stat-card {
  position: relative;
  overflow: hidden;
  padding: 1.15rem 1.2rem;
  border: 1px solid var(--border);
  border-radius: var(--r-chip);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card-soft);
}

.prose .stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--accent);
}

.prose .stat-card:nth-child(2n) {
  background: var(--bg-panel-3);
}

.prose .stat-card:nth-child(2n)::before {
  background: var(--lime-b);
}

.prose .stat-card:nth-child(3n)::before {
  background: var(--accent-2);
}

.prose .stat-num {
  display: block;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 1.55rem;
  line-height: 1.2;
}

.prose .stat-label {
  display: block;
  margin-top: 0.35rem;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

/* Check list: container decoration only, no injected symbols */

.prose .check-list {
  display: grid;
  gap: 0.6rem;
  margin: 1.5em 0;
  padding: 0;
  list-style: none;
}

.prose .check-list li {
  margin: 0;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-chip);
  background: var(--bg-panel);
  line-height: 1.75;
}

.prose .check-list li:nth-child(odd) {
  background: var(--bg-panel-3);
}

/* Verdict */

.prose .verdict {
  margin: 1.5em 0;
  padding: 1rem 1.2rem;
  border-left: 4px solid var(--accent);
  border-radius: 0 var(--r-chip) var(--r-chip) 0;
  background: var(--accent-soft);
  line-height: 1.8;
}

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

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

/* Article promo */

.article-promo,
.blog-article .promo-block {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin: 2.5rem 0 0;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border-radius: var(--r-panel);
  background: linear-gradient(135deg, var(--accent-dark), var(--accent), var(--accent-mid));
  color: var(--bg-panel);
  box-shadow: var(--shadow-panel-violet);
  overflow: hidden;
}

.article-promo::before,
.blog-article .promo-block::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(color-mix(in srgb, var(--bg-panel) 20%, transparent) 1px, transparent 1px);
  background-size: 16px 16px;
  opacity: 0.45;
  pointer-events: none;
}

.article-promo > *,
.blog-article .promo-block > * {
  position: relative;
  z-index: 1;
}

.article-promo .promo-body,
.blog-article .promo-block .promo-body {
  flex: 1 1 18rem;
  min-width: 0;
}

.article-promo .promo-brand,
.blog-article .promo-block .promo-brand {
  margin: 0 0 0.35rem;
  color: color-mix(in srgb, var(--bg-panel) 78%, transparent);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.article-promo .promo-title,
.blog-article .promo-block .promo-title {
  margin: 0 0 0.5rem;
  color: var(--bg-panel);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 3vw, 1.6rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
  text-wrap: pretty;
}

.article-promo .promo-text,
.blog-article .promo-block .promo-text {
  margin: 0;
  color: color-mix(in srgb, var(--bg-panel) 88%, transparent);
  line-height: 1.8;
}

.article-promo .btn,
.blog-article .promo-block .btn {
  flex-shrink: 0;
  white-space: nowrap;
}

.article-promo .btn-primary,
.blog-article .promo-block .btn-primary {
  border-color: var(--bg-panel);
  background: var(--bg-panel);
  color: var(--accent-dark);
}

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

.article-promo .btn-secondary,
.blog-article .promo-block .btn-secondary {
  border-color: color-mix(in srgb, var(--bg-panel) 55%, transparent);
  background: transparent;
  color: var(--bg-panel);
}

.article-promo .btn-secondary:hover,
.blog-article .promo-block .btn-secondary:hover {
  border-color: var(--bg-panel);
  background: color-mix(in srgb, var(--bg-panel) 12%, transparent);
}

/* Related posts */

#related-posts {
  margin-top: 0;
  padding-block: 2.25rem 1rem;
}

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

.related-kicker {
  margin: 0;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  line-height: 1.5;
}

.related-heading {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.4;
}

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

.related-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card-soft);
  overflow: hidden;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.related-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 2px;
  background: transparent;
  transition: background-color 0.18s ease;
}

.related-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-line);
  box-shadow: var(--shadow-float);
}

.related-card:hover::before {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
}

.related-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
}

.related-meta time {
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  line-height: 1.5;
}

.related-card-title {
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.5;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

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

.related-card-title a:hover {
  color: var(--accent-dark);
}

.related-excerpt {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.7;
  overflow-wrap: break-word;
}

.related-more {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: 0.8rem;
  font-weight: 500;
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.related-more:hover {
  color: var(--accent);
}

/* Previous / next */

#post-nav {
  padding-block: 1rem 2.25rem;
}

.post-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 1rem;
}

.post-nav-card {
  display: block;
  min-width: 0;
  padding: 1rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-card);
  background: var(--bg-panel);
  box-shadow: var(--shadow-card-soft);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.post-nav-card:hover {
  transform: translateY(-2px);
  border-color: var(--accent-line);
  box-shadow: var(--shadow-float);
}

.post-nav-label {
  display: block;
  margin-bottom: 0.35rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.06em;
  line-height: 1.5;
}

.post-nav-title {
  display: block;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  overflow-wrap: break-word;
  text-wrap: pretty;
}

.post-nav-card.is-next {
  text-align: right;
}

/* Article floating CTA: article pages only, never on the blog list */

.float-cta {
  position: fixed;
  right: clamp(1rem, 3vw, 2rem);
  bottom: clamp(1rem, 3vw, 2rem);
  z-index: 60;
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  max-width: calc(100vw - 2rem);
  padding: 0.75rem 1.1rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent);
  color: var(--bg-panel);
  box-shadow: var(--shadow-float);
  font-size: 0.875rem;
  font-weight: 500;
  line-height: 1.2;
  text-decoration: none;
  transition: background-color 0.18s ease, transform 0.18s ease;
}

.float-cta:hover {
  background: var(--accent-dark);
  transform: translateY(-1px);
}

.float-cta svg {
  flex: none;
}

.float-cta-text {
  white-space: nowrap;
}

/* Responsive */

@media (max-width: 1040px) {
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

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

  .prose .table-scroll {
    overflow-x: auto;
  }

  .prose table {
    display: block;
    width: 100%;
    max-width: 100%;
    overflow-x: auto;
  }
}

@media (max-width: 640px) {
  .blog-hero .breadcrumbs {
    padding-top: 1.25rem;
    margin-bottom: 2rem;
  }

  .blog-hero-title {
    font-size: clamp(1.8rem, 8vw, 2.4rem);
  }

  .blog-hero-lead {
    font-size: 1rem;
  }

  .blog-hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .blog-hero-actions .btn {
    width: 100%;
  }

  .blog-list-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.35rem;
  }

  .article-breadcrumbs {
    padding-top: 1.25rem;
  }

  .article-hero {
    border-radius: var(--r-card);
  }

  .article-title {
    font-size: clamp(1.65rem, 7vw, 2.2rem);
  }

  .article-summary {
    font-size: 1rem;
  }

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

  .prose h2 {
    padding-left: 2.45rem;
  }

  .prose h2::before {
    min-width: 1.85rem;
    font-size: 0.65em;
  }

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

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

  .post-nav-card.is-next {
    text-align: left;
  }

  .float-cta {
    right: 1rem;
    bottom: 1rem;
    padding: 0.7rem 0.9rem;
  }

  .float-cta-text {
    display: none;
  }
}

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

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