:root {
  --blog-reading: 56rem;
  --blog-gutter: clamp(1.5rem, 4vw, 2.5rem);
  --blog-gap: 1.5rem;
  --blog-space: 2rem;
  --blog-space-large: 3rem;
  --blog-rule: 4px;
  --blog-body-size: 1rem;
  --blog-small-size: 0.875rem;
  --blog-list-title: clamp(2rem, 4.5vw, 3rem);
  --blog-article-title: clamp(1.85rem, 4vw, 2.6rem);
  --blog-h2: clamp(1.3rem, 2.6vw, 1.6rem);
  --blog-h3: clamp(1.1rem, 2vw, 1.3rem);
  --blog-title-tracking: -0.015em;
  --blog-body-leading: 1.85;
  --blog-title-leading: 1.35;
  --blog-panel-shadow: 0 18px 48px var(--blog-shadow-color);
  --blog-shadow-color: color-mix(in srgb, var(--accent) 12%, transparent);
  --blog-focus: color-mix(in srgb, var(--accent-dark) 85%, var(--text));
  --blog-ink: var(--text);
  --blog-paper: var(--bg-panel);
  --blog-tint: var(--bg-panel-2);
  --blog-rule-color: var(--accent);
  --blog-link: var(--accent-dark);
  --blog-mint-tint: color-mix(in srgb, var(--success) 9%, var(--bg-panel));
  --blog-warning-tint: color-mix(in srgb, var(--warn) 12%, var(--bg-panel));
  --blog-coral-tint: color-mix(in srgb, var(--accent) 8%, var(--bg-panel));
  --blog-code-ink: var(--bg-panel);
  --blog-code-muted: var(--bg-panel-2);
  --blog-code-bg: var(--text);
  --blog-promo-start: var(--text);
  --blog-promo-end: color-mix(in srgb, var(--text) 83%, var(--accent-dark));
  --blog-backdrop: color-mix(in srgb, var(--text) 48%, transparent);
  --blog-masthead-secondary: var(--border);
  --blog-modal-width: 30rem;
  --blog-modal-duration: 180ms;
  --blog-transition: 160ms ease;
  --blog-fab-offset: 1.25rem;
  --blog-fab-safe-space: 6rem;
  --blog-z-modal: 1000;
  --blog-z-fab: 50;
}

.blog-directory,
.reading-wrap,
.article-hero,
.article-masthead,
.breadcrumbs,
.breadcrumb {
  box-sizing: border-box;
  min-width: 0;
}

.blog-directory {
  padding-top: var(--blog-space-large);
  padding-bottom: var(--blog-space-large);
}

.blog-directory__hero {
  position: relative;
  padding-block: var(--blog-space);
  border-top: var(--blog-rule) solid var(--blog-rule-color);
  border-bottom: 1px solid var(--border);
}

.blog-eyebrow,
.blog-signup-modal__eyebrow {
  margin: 0 0 1rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-medium);
}

.blog-directory__hero h1 {
  max-width: 24ch;
  margin: 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-list-title);
  font-weight: var(--weight-display);
  line-height: var(--blog-title-leading);
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.blog-directory__lead {
  max-width: 48rem;
  margin: 1.25rem 0 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
}

.blog-catalog {
  padding-top: var(--blog-space);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.blog-filter {
  appearance: none;
  min-height: 2.75rem;
  padding: 0.625rem 1.125rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-semibold);
  line-height: 1.5;
  cursor: pointer;
  transition: background var(--blog-transition), border-color var(--blog-transition), color var(--blog-transition);
}

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

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

.blog-list-status {
  min-height: 1.5em;
  margin: 1rem 0;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

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

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

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

.article-card__meta,
.article-meta,
.article-hero__meta,
.article-masthead__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.625rem 0.875rem;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  line-height: 1.6;
}

.article-card__meta .tag,
.article-meta .tag,
.article-hero__meta .tag,
.article-masthead__meta .tag {
  max-width: 100%;
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--blog-tint);
  color: var(--text);
  font-weight: var(--weight-semibold);
  white-space: normal;
  overflow-wrap: anywhere;
}

.article-card .article-card__title {
  display: block;
  margin: 1.125rem 0 0.875rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-h3);
  font-weight: var(--weight-bold);
  line-height: 1.55;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-card__title a {
  color: inherit;
  text-decoration: none;
}

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

.article-card__summary {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
  overflow-wrap: anywhere;
}

.article-card__link {
  align-self: flex-start;
  margin-top: auto;
  padding-block: 0.25rem;
  color: var(--blog-link);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  text-underline-offset: 0.25em;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: var(--blog-space);
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  color: var(--text-muted);
  line-height: var(--blog-body-leading);
}

.blog-directory__note {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1rem;
  margin-top: var(--blog-space-large);
  padding: var(--blog-gap);
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-panel-2);
}

.blog-directory__note p {
  flex: 1 1 26rem;
  margin: 0;
  line-height: var(--blog-body-leading);
}

.blog-directory__note a:not(.btn),
.blog-empty a {
  color: var(--blog-link);
  text-underline-offset: 0.2em;
}

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

.reading-wrap .reading-wrap,
.reading-wrap .article-hero,
.reading-wrap .article-masthead,
.reading-wrap .breadcrumbs,
.reading-wrap .breadcrumb {
  width: 100%;
  max-width: none;
  padding-inline: 0;
}

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

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

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

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

.article-hero,
.article-masthead {
  position: relative;
  padding-top: var(--blog-space);
  padding-bottom: var(--blog-space);
  background: none;
  border: 0;
  border-radius: 0;
  box-shadow: none;
}

.article-hero::before,
.article-masthead::before {
  content: "";
  position: absolute;
  top: 0;
  inset-inline: var(--blog-gutter);
  height: var(--blog-rule);
  background: linear-gradient(to right, var(--blog-rule-color) 0 24%, var(--blog-masthead-secondary) 24% 100%);
}

.article-hero::after,
.article-masthead::after {
  content: "";
  position: absolute;
  bottom: 0;
  inset-inline: var(--blog-gutter);
  height: 1px;
  background: var(--border);
}

.reading-wrap .article-hero::before,
.reading-wrap .article-hero::after,
.reading-wrap .article-masthead::before,
.reading-wrap .article-masthead::after {
  inset-inline: 0;
}

.article-hero h1,
.article-masthead h1 {
  display: block;
  margin: 1.25rem 0;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-article-title);
  font-weight: var(--weight-display);
  line-height: var(--blog-title-leading);
  letter-spacing: var(--blog-title-tracking);
  text-align: left;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-meta time,
.article-hero__meta time,
.article-masthead__meta time,
.article-readtime,
.reading-time {
  padding: 0.2rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

.article-hero__summary,
.article-summary,
.article-masthead__summary,
.article-hero > p:last-child,
.article-masthead > p:last-child {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
}

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

.prose,
.article-body {
  padding-top: var(--blog-gap);
}

.prose h2,
.article-body h2,
[data-article-body] h2 {
  display: block;
  margin: 2.5rem 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  font-weight: var(--weight-bold);
  line-height: 1.5;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
  counter-increment: blog-section;
  scroll-margin-top: calc(var(--nav-h) + 1rem);
}

.prose h2::before,
.article-body h2::before,
[data-article-body] h2::before {
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-inline-end: 0.65rem;
  padding: 0.1rem 0.45rem;
  border-bottom: 2px solid var(--accent-dark);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  vertical-align: 0.15em;
}

.prose h3,
.article-body h3,
[data-article-body] h3 {
  display: block;
  margin: 1.75rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: var(--blog-h3);
  font-weight: var(--weight-bold);
  line-height: 1.6;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
}

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

.prose p,
.article-body p,
[data-article-body] p {
  margin-block: 0 1.25rem;
}

.prose :is(ul, ol),
.article-body :is(ul, ol),
[data-article-body] :is(ul, ol) {
  margin: 1rem 0 1.5rem;
  padding-inline-start: 1.5rem;
}

.prose li,
.article-body li,
[data-article-body] li {
  margin-block: 0.5rem;
  padding-inline-start: 0.25rem;
}

.prose a:not(.btn),
.article-body a:not(.btn),
[data-article-body] a:not(.btn) {
  color: var(--blog-link);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.prose strong,
.article-body strong {
  font-weight: var(--weight-bold);
}

.prose blockquote,
.article-body blockquote {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-inline-start: var(--blog-rule) solid var(--border);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--blog-tint);
  color: var(--text);
}

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

.prose hr,
.article-body hr {
  margin-block: var(--blog-space);
  border: 0;
  border-top: 1px solid var(--border);
}

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

.prose :not(pre) > code,
.article-body :not(pre) > code {
  padding: 0.15em 0.35em;
  border: 1px solid var(--border);
  border-radius: var(--r-xs);
  background: var(--blog-tint);
  color: var(--text);
  font-family: var(--font-mono);
  font-size: 0.9em;
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.prose pre,
.article-body pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 3rem 1.5rem 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--blog-code-bg);
  border-radius: var(--r-md);
  background: var(--blog-code-bg);
  color: var(--blog-code-ink);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1.8;
  tab-size: 2;
  overscroll-behavior-inline: contain;
}

.prose pre::before,
.article-body pre::before {
  content: "VPNIH / 配置笔记";
  position: absolute;
  top: 0.75rem;
  left: 1.5rem;
  color: var(--blog-code-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

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

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

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

.prose .table-scroll table,
.article-body .table-scroll table {
  min-width: 36rem;
  margin: 0;
}

.prose :is(th, td),
.article-body :is(th, td) {
  padding: 0.875rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose thead th,
.article-body thead th {
  background: var(--text);
  color: var(--bg-panel);
  font-weight: var(--weight-semibold);
}

.prose tbody tr:nth-child(even),
.article-body tbody tr:nth-child(even) {
  background: var(--blog-tint);
}

.prose tbody tr:hover,
.article-body tbody tr:hover {
  background: var(--blog-coral-tint);
}

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border: 1px solid var(--border);
  border-inline-start: var(--blog-rule) solid var(--accent-dark);
  border-radius: var(--r-sm);
  background: var(--blog-coral-tint);
  color: var(--text);
  line-height: var(--blog-body-leading);
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.3rem;
  left: 1rem;
  display: inline-block;
  width: 1.5rem;
  height: 1.5rem;
  border: 1px solid currentColor;
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  line-height: 1.4rem;
  text-align: center;
}

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

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

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

.callout--success::before,
.callout.success::before {
  color: var(--success);
}

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
}

.stat-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: var(--blog-rule) solid var(--accent-dark);
  border-radius: var(--r-md);
  background: var(--blog-coral-tint);
}

.stat-card:nth-child(even) {
  border-top-color: var(--success);
  background: var(--blog-mint-tint);
}

.stat-num {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.75rem;
  font-weight: var(--weight-heavy);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.stat-label {
  display: block;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.7;
}

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

.prose .check-list li,
.article-body .check-list li,
.check-list li {
  margin: 0 0 0.75rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  list-style: none;
}

.verdict {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-inline-start: var(--blog-rule) solid var(--accent-dark);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  background: var(--blog-coral-tint);
  color: var(--text);
  line-height: var(--blog-body-leading);
}

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

.promo-block {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--blog-gap);
  min-width: 0;
  margin-block: var(--blog-space);
  padding: var(--blog-space);
  overflow: hidden;
  border: 1px solid var(--blog-promo-start);
  border-radius: var(--r-lg);
  background: linear-gradient(125deg, var(--blog-promo-start), var(--blog-promo-end));
  color: var(--bg-panel);
  box-shadow: var(--blog-panel-shadow);
}

.promo-block::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  border-top: var(--blog-rule) solid var(--accent);
}

.promo-block__copy {
  flex: 1 1 20rem;
  min-width: 0;
}

.promo-block__brand {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--bg-panel);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: var(--weight-display);
  letter-spacing: var(--blog-title-tracking);
}

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

.promo-block .btn--primary {
  border: 1px solid var(--bg-panel);
  background: var(--bg-panel);
  color: var(--text);
  box-shadow: none;
}

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

.promo-block .btn--ghost {
  border: 1px solid var(--bg-panel);
  background: none;
  color: var(--bg-panel);
}

#related-posts {
  padding-top: var(--blog-gap);
  padding-bottom: var(--blog-gap);
}

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

#related-posts > h2 {
  display: block;
  margin: 0 0 1.25rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  line-height: 1.5;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
}

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

.related-card {
  padding: 1.25rem;
  box-shadow: none;
}

.related-card .article-card__title {
  font-size: 1.1rem;
}

.related-card .article-card__summary {
  font-size: var(--blog-small-size);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  padding-top: var(--blog-gap);
  padding-bottom: var(--blog-space);
}

.post-nav__card {
  display: block;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: var(--blog-rule) solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--blog-transition), transform var(--blog-transition);
}

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

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

.post-nav__direction {
  display: block;
  margin-bottom: 0.75rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

.post-nav__title {
  color: var(--text);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-semibold);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

.float-cta {
  position: fixed;
  right: max(var(--blog-fab-offset), env(safe-area-inset-right));
  bottom: calc(var(--blog-fab-offset) + env(safe-area-inset-bottom));
  z-index: var(--blog-z-fab);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.625rem;
  max-width: calc(100vw - var(--blog-fab-offset) * 2);
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: linear-gradient(135deg, var(--accent), var(--accent-dark));
  color: var(--bg-panel);
  box-shadow: var(--blog-panel-shadow);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-bold);
  line-height: 1.5;
  text-decoration: none;
}

.float-cta svg {
  flex-shrink: 0;
  width: 1.25rem;
  height: 1.25rem;
  fill: none;
  stroke: currentColor;
}

.blog-modal-open {
  overflow: hidden;
  scrollbar-gutter: stable;
}

.blog-signup-modal {
  position: fixed;
  inset: 0;
  z-index: var(--blog-z-modal);
  width: min(var(--blog-modal-width), calc(100% - 2rem));
  max-width: none;
  max-height: calc(100dvh - 2rem);
  margin: auto;
  padding: 0;
  overflow-y: auto;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
  color: var(--text);
  box-shadow: var(--blog-panel-shadow);
  opacity: 0;
  transform: translateY(8px);
  transition: opacity var(--blog-modal-duration) ease, transform var(--blog-modal-duration) ease;
}

.blog-signup-modal::backdrop {
  background: var(--blog-backdrop);
  opacity: 0;
  transition: opacity var(--blog-modal-duration) ease;
}

.blog-signup-modal.is-visible {
  opacity: 1;
  transform: translateY(0);
}

.blog-signup-modal.is-visible::backdrop {
  opacity: 1;
}

.blog-signup-modal__panel {
  position: relative;
  padding: 3.5rem 2rem 2rem;
  border-top: var(--blog-rule) solid var(--accent);
  background: linear-gradient(145deg, var(--bg-panel), var(--bg));
}

.blog-signup-modal__close {
  position: absolute;
  top: 0.625rem;
  right: 0.625rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 2.75rem;
  height: 2.75rem;
  padding: 0;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

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

.blog-signup-modal h2 {
  display: block;
  margin: 0 0 0.875rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-h2);
  font-weight: var(--weight-display);
  line-height: 1.5;
  letter-spacing: var(--blog-title-tracking);
  text-wrap: pretty;
}

.blog-signup-modal__description {
  margin: 0 0 1.5rem;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
}

.blog-signup-modal__action {
  width: 100%;
}

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

@media (max-width: 1024px) {
  .blog-post-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

  .prose .table-scroll table,
  .article-body .table-scroll table {
    display: table;
    width: 100%;
    max-width: none;
  }

  .prose :is(th, td),
  .article-body :is(th, td) {
    min-width: 9rem;
  }
}

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

  .blog-directory {
    padding-top: var(--blog-gap);
  }

  .blog-directory__hero h1 {
    font-size: clamp(1.8rem, 7.5vw, 2.5rem);
  }

  .article-hero h1,
  .article-masthead h1 {
    font-size: clamp(1.75rem, 7.5vw, 2.5rem);
  }

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

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

  .promo-block {
    padding: var(--blog-gap);
  }

  .promo-block .btn {
    width: 100%;
  }

  .float-cta {
    min-height: 2.75rem;
    padding: 0.625rem 1rem;
  }

  body:has(.float-cta) {
    padding-bottom: calc(var(--blog-fab-safe-space) + env(safe-area-inset-bottom));
  }

  .blog-signup-modal__panel {
    padding-inline: var(--blog-gap);
  }
}

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .post-nav__card,
  .blog-filter,
  .blog-signup-modal,
  .blog-signup-modal::backdrop {
    transition: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .post-nav__card:hover,
  .post-nav__card:focus-visible,
  .blog-signup-modal {
    transform: none;
  }
}