:root {
  --color-canvas: #FFFFFF;
  --color-panel: #F7F7F6;
  --color-panel-strong: #EFEFED;
  --color-border: #E3E3E0;
  --color-accent: #E8890B;
  --color-accent-dark: #B4690A;
  --color-text: #17171A;
  --color-text-muted: #5D5D63;
  --color-success: #188A4C;
  --color-warning: #B45309;
  --color-error: #D5382E;
  --font-display: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-body: 'Inter', 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-mono: 'JetBrains Mono', 'SFMono-Regular', Consolas, 'Liberation Mono', monospace;
  --radius-xs: 0.25rem;
  --radius-sm: 0.5rem;
  --radius-md: 0.75rem;
  --radius-lg: 1rem;
  --shadow-cell: 0 0.25rem 0.75rem color-mix(in srgb, var(--color-text) 6%, transparent);
  --shadow-soft: 0 1rem 2.5rem color-mix(in srgb, var(--color-text) 8%, transparent);
  --shadow-accent: 0 0.75rem 1.75rem color-mix(in srgb, var(--color-accent) 20%, transparent);
  --content-max: 74rem;
  --reading-max: 56rem;
  --gutter: clamp(1rem, 4vw, 2rem);
  --section-space: clamp(4rem, 8vw, 7rem);
  --transition-fast: 180ms ease;
  --terminal-bg: var(--color-text);
  --terminal-text: var(--color-panel);
  --promo-text: var(--color-canvas);
}

.no-break {
  white-space: nowrap;
}

.blog-index-hero,
.blog-list-section,
.blog-index-promo {
  width: min(calc(100% - (var(--gutter) * 2)), var(--content-max));
  margin-inline: auto;
}

.blog-index-hero {
  position: relative;
  isolation: isolate;
  min-height: clamp(22rem, 48vw, 34rem);
  margin-top: clamp(2rem, 6vw, 5rem);
  padding: clamp(3rem, 8vw, 6rem) clamp(1.5rem, 7vw, 5rem);
  display: flex;
  align-items: center;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  box-shadow: var(--shadow-soft);
}

.blog-index-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  inset: clamp(1rem, 4vw, 2.5rem) clamp(1rem, 5vw, 3.5rem) clamp(2.5rem, 7vw, 5rem) clamp(3rem, 15vw, 12rem);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 13%, var(--color-canvas));
}

.blog-index-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  width: clamp(8rem, 20vw, 15rem);
  aspect-ratio: 1;
  right: clamp(1.5rem, 6vw, 5rem);
  bottom: clamp(1.5rem, 5vw, 4rem);
  border: 1px solid var(--color-border);
  border-radius: 50%;
  background:
    radial-gradient(circle at center,
      var(--color-panel-strong) 0 16%,
      var(--color-canvas) 17% 31%,
      var(--color-border) 32% 33%,
      var(--color-panel) 34% 50%,
      var(--color-border) 51% 52%,
      var(--color-canvas) 53%);
}

.blog-index-hero-content {
  position: relative;
  z-index: 1;
  max-width: 49rem;
}

.blog-index-hero h1 {
  max-width: 48rem;
  margin: 0.75rem 0 1.25rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-index-hero p {
  max-width: 42rem;
  margin: 0;
  color: var(--color-text-muted);
  font-size: clamp(1rem, 2vw, 1.125rem);
  line-height: 1.85;
}

.blog-index-hero-mark {
  position: absolute;
  top: 1.25rem;
  right: 1.5rem;
  z-index: 2;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

.blog-kicker {
  display: block;
  max-width: 100%;
  overflow: hidden;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: 0.09em;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-list-section {
  padding-block: var(--section-space);
}

.blog-filter {
  display: flex;
  align-items: flex-start;
  gap: 1rem 1.5rem;
  padding: 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.blog-filter-label {
  flex: 0 0 auto;
  padding-top: 0.55rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

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

.blog-filter-button {
  max-width: 100%;
  padding: 0.55rem 0.85rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-text-muted);
  font: 700 0.875rem/1.2 var(--font-body);
  cursor: pointer;
  transition:
    border-color var(--transition-fast),
    color var(--transition-fast),
    background-color var(--transition-fast);
}

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

.blog-filter-button:focus-visible {
  outline: 0.15rem solid var(--color-accent);
  outline-offset: 0.15rem;
}

.blog-filter-button.is-active {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-text);
}

.blog-list-heading {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 1rem;
  margin: clamp(2.5rem, 6vw, 4rem) 0 1.5rem;
}

.blog-list-heading h2,
.blog-index-promo h2 {
  margin: 0.4rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 4vw, 2.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-result-count {
  margin: 0;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

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

.article-card {
  position: relative;
  min-width: 0;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-canvas);
  box-shadow: var(--shadow-cell);
  opacity: 1;
  transform: none;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.article-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 1.25rem;
  right: 1.25rem;
  height: 0.15rem;
  border-radius: 0 0 var(--radius-xs) var(--radius-xs);
  background: transparent;
  transition: background-color var(--transition-fast);
}

.article-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 65%, var(--color-border));
  box-shadow: var(--shadow-soft);
  transform: translateY(-0.2rem);
}

.article-card:hover::before {
  background: var(--color-accent);
}

.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.5rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.4;
}

.article-meta span,
.article-meta time {
  display: inline-flex;
  max-width: 100%;
  padding: 0.32rem 0.5rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-meta .article-tag {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-canvas);
}

.article-meta .article-channel {
  margin-left: auto;
  color: var(--color-accent-dark);
}

.article-card h3 {
  margin: 1.1rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.2vw, 1.4rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

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

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

.article-card p {
  margin: 0 0 1.25rem;
  color: var(--color-text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}

.article-link {
  color: var(--color-accent-dark);
  font-weight: 800;
  text-decoration: none;
}

.article-link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2rem;
}

.blog-empty-state {
  padding: 2rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text-muted);
  text-align: center;
}

.blog-index-promo {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: var(--section-space);
  padding: clamp(1.5rem, 5vw, 3rem);
  border: 1px solid var(--color-text);
  border-radius: var(--radius-lg);
  background: var(--color-text);
  color: var(--promo-text);
  box-shadow: var(--shadow-soft);
}

.blog-index-promo .blog-kicker {
  color: color-mix(in srgb, var(--color-accent) 85%, var(--color-canvas));
}

.blog-index-promo h2,
.blog-index-promo p {
  color: var(--promo-text);
}

.blog-index-promo p {
  margin: 0.8rem 0 0;
  line-height: 1.75;
}

.blog-index-promo-actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.blog-index-promo .button-primary {
  border-color: var(--color-canvas);
  background: var(--color-canvas);
  color: var(--color-text);
}

.blog-index-promo .button-secondary {
  border-color: color-mix(in srgb, var(--color-canvas) 65%, transparent);
  background: transparent;
  color: var(--color-canvas);
}

.blog-index-promo .button-primary:hover,
.blog-index-promo .button-secondary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-text);
}

.blog-breadcrumb,
.blog-article-hero,
.article-body,
.article-promo,
#related-posts,
#post-nav {
  width: min(calc(100% - (var(--gutter) * 2)), var(--reading-max));
  margin-inline: auto;
}

.blog-breadcrumb {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
  color: var(--color-text-muted);
  font-size: 0.875rem;
  line-height: 1.6;
}

.blog-breadcrumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.blog-breadcrumb li:not(:last-child)::after {
  content: "/";
  margin-left: 0.4rem;
  color: var(--color-border);
}

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

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

.blog-article-hero {
  position: relative;
  isolation: isolate;
  width: min(calc(100% - (var(--gutter) * 2)), calc(var(--reading-max) + clamp(3rem, 12vw, 8rem)));
  margin-top: 1.5rem;
  margin-bottom: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(2.5rem, 7vw, 4.75rem) clamp(1.5rem, 6vw, 4rem);
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-canvas);
  box-shadow: var(--shadow-soft);
}

.blog-article-hero::before {
  content: "";
  position: absolute;
  z-index: -2;
  top: clamp(1rem, 4vw, 2rem);
  right: clamp(1rem, 5vw, 3rem);
  bottom: clamp(2rem, 6vw, 4rem);
  left: clamp(3rem, 16vw, 10rem);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-accent) 14%, var(--color-canvas));
}

.blog-article-hero::after {
  content: attr(data-year);
  position: absolute;
  z-index: -1;
  right: clamp(1.25rem, 5vw, 3rem);
  bottom: -0.08em;
  color: color-mix(in srgb, var(--color-accent) 18%, transparent);
  font-family: var(--font-mono);
  font-size: clamp(4rem, 16vw, 9rem);
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.blog-article-meta {
  display: flex;
  align-items: center;
  justify-content: flex-start;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin: 0 0 1.25rem clamp(0rem, 3vw, 1.5rem);
}

.blog-article-meta span,
.blog-article-meta time {
  display: inline-flex;
  max-width: 100%;
  padding: 0.4rem 0.65rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-canvas);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.blog-article-meta .article-category {
  border-color: var(--color-text);
  background: var(--color-text);
  color: var(--color-canvas);
}

.blog-article-hero h1 {
  position: relative;
  max-width: 50rem;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5.5vw, 2.6rem);
  font-weight: 900;
  line-height: 1.22;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-article-summary {
  position: relative;
  max-width: 47rem;
  margin: 1.5rem 0 0 clamp(0rem, 3vw, 1.5rem);
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.85;
}

.article-body {
  counter-reset: article-section;
  color: var(--color-text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
  overflow-wrap: break-word;
}

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

.article-body p {
  margin: 1rem 0 1.4rem;
}

.article-body h2 {
  counter-increment: article-section;
  position: relative;
  margin: clamp(2.8rem, 6vw, 4rem) 0 1.2rem;
  padding-left: 3.3rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  font-weight: 850;
  line-height: 1.4;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-body h2::before {
  content: counter(article-section, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.05em;
  display: grid;
  width: 2.35rem;
  min-height: 2.1rem;
  place-items: center;
  border: 1px solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-accent) 12%, var(--color-canvas));
  color: var(--color-accent-dark);
  font: 800 0.75rem/1 var(--font-mono);
}

.article-body h3 {
  margin: 2.2rem 0 0.8rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.1rem, 2.4vw, 1.3rem);
  font-weight: 800;
  line-height: 1.45;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-body a {
  color: var(--color-accent-dark);
  text-decoration-thickness: 0.08rem;
  text-underline-offset: 0.2rem;
}

.article-body ul,
.article-body ol {
  margin: 1rem 0 1.6rem;
  padding-left: 1.5rem;
}

.article-body li {
  margin: 0.5rem 0;
  padding-left: 0.2rem;
}

.article-body blockquote {
  margin: 1.75rem 0;
  padding: 1.2rem 1.4rem;
  border-left: 0.25rem solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: var(--color-panel);
  color: var(--color-text-muted);
}

.article-body blockquote p {
  margin: 0;
}

.article-body hr {
  margin: 3rem 0;
  border: 0;
  border-top: 1px solid var(--color-border);
}

.article-body img,
.article-body svg {
  max-width: 100%;
  height: auto;
}

.article-body table {
  width: 100%;
  margin: 1.75rem 0;
  border-collapse: collapse;
  border: 1px solid var(--color-border);
  background: var(--color-canvas);
  font-size: 0.92rem;
}

.article-body th,
.article-body td {
  padding: 0.85rem 1rem;
  border: 1px solid var(--color-border);
  text-align: left;
  vertical-align: top;
}

.article-body th {
  background: var(--color-text);
  color: var(--color-canvas);
  font-weight: 750;
}

.article-body tbody tr:nth-child(even) {
  background: var(--color-panel);
}

.article-body tbody tr:hover {
  background: color-mix(in srgb, var(--color-accent) 9%, var(--color-canvas));
}

.article-body pre {
  position: relative;
  margin: 1.75rem 0;
  padding: 3rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-md);
  background: var(--terminal-bg);
  color: var(--terminal-text);
  box-shadow: var(--shadow-cell);
}

.article-body pre::before {
  content: "●  ●  ●   TERMINAL";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  padding: 0.75rem 1rem;
  border-bottom: 1px solid color-mix(in srgb, var(--terminal-text) 18%, transparent);
  color: var(--color-accent);
  font: 700 0.68rem/1 var(--font-mono);
  letter-spacing: 0.08em;
}

.article-body code {
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.article-body :not(pre) > code {
  padding: 0.16rem 0.35rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-accent-dark);
}

.callout {
  position: relative;
  margin: 1.75rem 0;
  padding: 1.2rem 1.3rem 1.2rem 3.6rem;
  border: 1px solid var(--color-border);
  border-left: 0.3rem solid var(--color-accent);
  border-radius: var(--radius-sm);
  background: color-mix(in srgb, var(--color-accent) 8%, var(--color-canvas));
  color: var(--color-text);
}

.callout::before {
  content: "i";
  position: absolute;
  left: 1.15rem;
  top: 1.1rem;
  display: grid;
  width: 1.55rem;
  aspect-ratio: 1;
  place-items: center;
  border-radius: 50%;
  background: var(--color-accent);
  color: var(--color-text);
  font: 900 0.8rem/1 var(--font-mono);
}

.callout.warning {
  border-left-color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 9%, var(--color-canvas));
}

.callout.warning::before {
  content: "!";
  background: var(--color-warning);
  color: var(--color-canvas);
}

.callout.success {
  border-left-color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 9%, var(--color-canvas));
}

.callout.success::before {
  content: "OK";
  background: var(--color-success);
  color: var(--color-canvas);
  font-size: 0.6rem;
}

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 10rem), 1fr));
  gap: 0.75rem;
  margin: 1.75rem 0;
}

.stat-card {
  position: relative;
  min-width: 0;
  padding: 1.25rem;
  overflow: hidden;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.stat-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 0.22rem;
  background: var(--color-accent);
}

.stat-card:nth-child(even) {
  background: color-mix(in srgb, var(--color-success) 7%, var(--color-canvas));
}

.stat-card:nth-child(even)::before {
  background: var(--color-success);
}

.stat-card:nth-child(3n) {
  background: color-mix(in srgb, var(--color-warning) 7%, var(--color-canvas));
}

.stat-card:nth-child(3n)::before {
  background: var(--color-warning);
}

.stat-num {
  display: block;
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: clamp(1.45rem, 4vw, 2rem);
  font-weight: 800;
  line-height: 1.2;
}

.stat-label {
  display: block;
  margin-top: 0.5rem;
  color: var(--color-text-muted);
  font-size: 0.88rem;
  line-height: 1.55;
}

.check-list {
  margin: 1.75rem 0;
  padding: 0;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 0.9rem 1rem;
  background: var(--color-canvas);
  list-style: none;
}

.check-list li + li {
  border-top: 1px solid var(--color-border);
}

.verdict {
  margin: 1.75rem 0;
  padding: 1.2rem 1.4rem;
  border: 1px solid var(--color-border);
  border-left: 0.32rem solid var(--color-accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: color-mix(in srgb, var(--color-accent) 9%, var(--color-canvas));
  color: var(--color-text);
}

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

.article-promo {
  position: relative;
  isolation: isolate;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  margin-top: clamp(3rem, 7vw, 5rem);
  padding: clamp(1.5rem, 5vw, 2.75rem);
  overflow: hidden;
  border: 1px solid var(--color-text);
  border-radius: var(--radius-lg);
  background: var(--color-text);
  color: var(--promo-text);
  box-shadow: var(--shadow-soft);
}

.article-promo::before {
  content: "CH";
  position: absolute;
  z-index: -1;
  right: 1rem;
  bottom: -0.2em;
  color: color-mix(in srgb, var(--color-accent) 24%, transparent);
  font: 900 clamp(5rem, 18vw, 9rem)/1 var(--font-mono);
}

.article-promo-brand {
  color: var(--color-accent);
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.article-promo p {
  max-width: 36rem;
  margin: 0.6rem 0 0;
  color: var(--promo-text);
  line-height: 1.75;
}

.article-promo .button-primary {
  flex: 0 0 auto;
  border-color: var(--color-canvas);
  background: var(--color-canvas);
  color: var(--color-text);
}

.article-promo .button-primary:hover {
  border-color: var(--color-accent);
  background: var(--color-accent);
  color: var(--color-text);
}

#related-posts {
  padding-top: clamp(2.5rem, 5vw, 3.5rem);
}

.related-heading {
  margin-bottom: 1.25rem;
}

.related-heading h2 {
  margin: 0.4rem 0 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.45rem, 3vw, 1.8rem);
  font-weight: 850;
  line-height: 1.3;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.75rem;
}

.related-card {
  position: relative;
  min-width: 0;
  padding: 1.1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-canvas);
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    box-shadow var(--transition-fast);
}

.related-card::before {
  content: "";
  position: absolute;
  inset: 0.45rem 1rem auto;
  height: 0.12rem;
  border-radius: var(--radius-xs);
  background: transparent;
  transition: background-color var(--transition-fast);
}

.related-card:hover {
  border-color: var(--color-accent);
  box-shadow: var(--shadow-cell);
  transform: translateY(-0.18rem);
}

.related-card:hover::before {
  background: var(--color-accent);
}

.related-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.related-card-meta span,
.related-card-meta time {
  padding: 0.25rem 0.4rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
}

.related-card h3 {
  margin: 0.9rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

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

.related-card p {
  display: -webkit-box;
  margin: 0;
  overflow: hidden;
  color: var(--color-text-muted);
  font-size: 0.83rem;
  line-height: 1.65;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

#post-nav {
  padding-top: 1.5rem;
  padding-bottom: clamp(2.5rem, 6vw, 4rem);
}

.post-nav-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.75rem;
}

.post-nav-card {
  position: relative;
  display: flex;
  min-width: 0;
  min-height: 9rem;
  flex-direction: column;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    border-color var(--transition-fast),
    background-color var(--transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  background: color-mix(in srgb, var(--color-accent) 7%, var(--color-canvas));
  transform: translateY(-0.18rem);
}

.post-nav-label {
  margin-bottom: 0.65rem;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 800;
}

.post-nav-card strong {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.post-nav-meta {
  margin-top: auto;
  padding-top: 0.8rem;
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.68rem;
}

.post-nav-older {
  text-align: right;
}

.post-nav-grid > .post-nav-older:only-child {
  grid-column: 2;
}

.float-cta {
  position: fixed;
  z-index: 30;
  right: max(1rem, var(--gutter));
  bottom: max(1rem, var(--gutter));
  display: inline-flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(calc(100vw - 2rem), 20rem);
  padding: 0.75rem 1rem;
  border: 1px solid var(--color-accent-dark);
  border-radius: 999rem;
  background: var(--color-accent);
  color: var(--color-text);
  box-shadow: var(--shadow-accent);
  font-weight: 800;
  text-decoration: none;
  transition:
    transform var(--transition-fast),
    background-color var(--transition-fast);
}

.float-cta:hover {
  background: color-mix(in srgb, var(--color-accent) 82%, var(--color-canvas));
  transform: translateY(-0.15rem);
}

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

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

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

  .article-body table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
    white-space: nowrap;
  }

  .blog-index-hero::after {
    opacity: 0.55;
  }
}

@media (max-width: 680px) {
  .blog-article-hero h1 .no-break {
    white-space: normal;
  }

  .blog-index-hero {
    min-height: 27rem;
    align-items: flex-start;
  }

  .blog-index-hero::before {
    inset: 4rem 1rem 5rem 2rem;
  }

  .blog-index-hero::after {
    right: 1rem;
    bottom: 1rem;
  }

  .blog-filter {
    flex-direction: column;
  }

  .blog-filter-label {
    padding-top: 0;
  }

  .blog-filter-buttons {
    width: 100%;
    flex-wrap: nowrap;
    padding-bottom: 0.25rem;
    overflow-x: auto;
  }

  .blog-filter-button {
    flex: 0 0 auto;
  }

  .blog-index-promo,
  .article-promo {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .blog-index-promo-actions .button,
  .article-promo .button {
    width: 100%;
    justify-content: center;
  }

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

  .post-nav-grid > .post-nav-older:only-child {
    grid-column: 1;
  }

  .post-nav-older {
    text-align: left;
  }

  .article-body h2 {
    padding-left: 0;
    padding-top: 2.8rem;
  }

  .article-body h2::before {
    top: 0;
  }

  .float-cta {
    right: 0.75rem;
    bottom: 0.75rem;
    max-width: calc(100vw - 1.5rem);
    padding: 0.7rem 0.9rem;
    font-size: 0.88rem;
  }
}

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

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