:root {
  --blog-reading: 56rem;
  --blog-gutter: max(1.5rem, var(--gutter));
  --blog-list-title: clamp(2rem, 4vw, 3rem);
  --blog-article-title: clamp(1.85rem, 3.6vw, 2.6rem);
  --blog-section-size: clamp(1.3rem, 2.5vw, 1.6rem);
  --blog-subsection-size: 1.3rem;
  --blog-body-size: 1rem;
  --blog-meta-size: 0.8125rem;
  --blog-card-title-size: 1.2rem;
  --blog-number-size: 1.8rem;
  --blog-leading: 1.85;
  --blog-heading-leading: 1.4;
  --blog-letter-spacing: -0.015em;
  --blog-hero-tint: color-mix(in srgb, var(--accent) 6%, var(--panel));
  --blog-muted-tint: color-mix(in srgb, var(--ink) 4%, var(--panel));
  --blog-warning-tint: color-mix(in srgb, var(--warn) 10%, var(--panel));
  --blog-success-tint: color-mix(in srgb, var(--success) 9%, var(--panel));
  --blog-hover-tint: color-mix(in srgb, var(--accent) 9%, var(--panel));
  --blog-promo-end: color-mix(in srgb, var(--accent-dark) 25%, var(--ink));
  --blog-rule-gradient: linear-gradient(to bottom, var(--accent), var(--accent-dark));
  --blog-card-shadow: 0 12px 32px var(--accent-a08);
  --blog-focus-ring: 0 0 0 3px var(--accent-a18);
  --blog-transition: 160ms ease-out;
}

.blog-list-main {
  padding-bottom: 3rem;
}

.blog-skip {
  position: absolute;
  top: 1rem;
  left: 1rem;
  z-index: 100;
  padding: 0.75rem 1rem;
  color: var(--panel);
  background: var(--ink);
  border-radius: var(--r-button);
  transform: translateY(-200%);
}

.blog-skip:focus {
  transform: none;
}

.breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: var(--blog-meta-size);
  line-height: var(--blog-leading);
  overflow-wrap: anywhere;
}

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

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

.blog-hero,
.article-hero {
  position: relative;
  overflow: hidden;
  padding-block: 2rem;
  padding-inline: var(--blog-gutter);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--blog-hero-tint);
  color: var(--ink);
  box-shadow: var(--blog-card-shadow);
}

.blog-hero::before,
.article-hero::before {
  content: "";
  position: absolute;
  inset-block: 1.25rem;
  inset-inline-start: 0.6rem;
  width: 0.25rem;
  border-radius: var(--r-pill);
  background: var(--blog-rule-gradient);
  pointer-events: none;
}

.blog-hero h1,
.article-hero h1,
.blog-article h1,
.article-page h1 {
  display: block;
  font-family: var(--font-display);
  font-weight: var(--weight-display);
  font-size: var(--blog-article-title);
  line-height: var(--blog-heading-leading);
  letter-spacing: var(--blog-letter-spacing);
  text-wrap: pretty;
  overflow-wrap: break-word;
  margin-block: 1rem;
}

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

.blog-hero > p,
.article-hero > p {
  margin-block: 0.75rem 0;
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
  color: var(--muted);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: flex-start;
  gap: 0.5rem;
  color: var(--muted);
  font-family: var(--font-body);
  font-size: var(--blog-meta-size);
  line-height: 1.5;
}

.article-meta > * {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--panel);
}

.article-meta .tag {
  border-color: var(--accent-dark);
  background: var(--accent-dark);
  color: var(--panel);
  font-weight: var(--weight-medium);
}

.blog-library {
  margin-top: 2rem;
}

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

.blog-filters button {
  padding: 0.65rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--panel);
  color: var(--muted);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-medium);
  cursor: pointer;
}

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

.blog-filters button[aria-pressed="true"] {
  color: var(--panel);
  background: var(--ink);
  border-color: var(--ink);
}

.blog-result-status {
  margin-block: 1rem;
  color: var(--muted);
  font-size: var(--blog-meta-size);
}

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

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

.article-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  background: var(--panel);
  color: var(--ink);
  box-shadow: var(--blog-card-shadow);
  transition: border-color var(--blog-transition), transform var(--blog-transition);
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.article-card .article-card-title {
  display: block;
  margin: 0;
  font-size: var(--blog-card-title-size);
  font-family: var(--font-display);
  font-weight: var(--weight-bold);
  line-height: 1.65;
  letter-spacing: var(--blog-letter-spacing);
  text-wrap: pretty;
}

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

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

.article-card-summary {
  margin: 0;
  color: var(--muted);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
}

.article-read-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-size: var(--blog-body-size);
  font-weight: var(--weight-semibold);
  text-decoration: none;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px dashed var(--line);
  border-radius: var(--r-card);
  color: var(--muted);
  background: var(--panel);
  line-height: var(--blog-leading);
}

.blog-article .prose,
.article-page .prose,
.article-body,
[data-blog-body] {
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
  color: var(--ink);
  overflow-wrap: break-word;
  padding-block: 1.5rem 0;
}

.prose h2,
.article-body h2,
[data-blog-body] h2,
.blog-section-title {
  display: block;
  position: relative;
  margin-block: 2rem 1rem;
  font-family: var(--font-display);
  font-size: var(--blog-section-size);
  font-weight: var(--weight-bold);
  line-height: 1.5;
  letter-spacing: var(--blog-letter-spacing);
  text-wrap: pretty;
  color: var(--ink);
}

.prose h2::before,
.article-body h2::before,
[data-blog-body] h2::before,
.blog-section-title::before {
  content: "";
  display: inline-block;
  width: 0.9rem;
  height: 0.2rem;
  margin-inline-end: 0.6rem;
  vertical-align: middle;
  border-radius: var(--r-pill);
  background: var(--accent);
}

.prose > h2:first-child,
.article-body > h2:first-child,
[data-blog-body] > h2:first-child {
  margin-top: 0;
}

.prose h3,
.article-body h3,
[data-blog-body] h3 {
  display: block;
  margin-block: 1.5rem 0.75rem;
  font-family: var(--font-display);
  font-size: var(--blog-subsection-size);
  font-weight: var(--weight-semibold);
  line-height: 1.6;
  letter-spacing: var(--blog-letter-spacing);
  text-wrap: pretty;
}

.prose p,
.article-body p,
[data-blog-body] p {
  margin-block: 0 1rem;
}

.prose ul,
.prose ol,
.article-body ul,
.article-body ol,
[data-blog-body] ul,
[data-blog-body] ol {
  padding-inline-start: 1.5rem;
  margin-block: 1rem 1.25rem;
}

.prose li,
.article-body li,
[data-blog-body] li {
  margin-block: 0.45rem;
}

.prose a,
.article-body a,
[data-blog-body] a {
  color: var(--accent-dark);
  text-underline-offset: 0.2em;
}

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

.prose section,
.article-body section,
[data-blog-body] section {
  scroll-margin-top: var(--anchor-offset);
  min-width: 0;
}

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

.prose table,
.article-body table,
[data-blog-body] table {
  width: 100%;
  border-collapse: collapse;
  font-size: var(--blog-body-size);
  line-height: 1.7;
  margin-block: 1.25rem;
}

.table-scroll table {
  margin-block: 0;
}

.prose th,
.article-body th,
[data-blog-body] th {
  background: var(--ink);
  color: var(--panel);
  font-weight: var(--weight-semibold);
  text-align: start;
}

.prose th,
.prose td,
.article-body th,
.article-body td,
[data-blog-body] th,
[data-blog-body] td {
  padding: 0.85rem 1rem;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}

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

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

.prose pre,
.article-body pre,
[data-blog-body] pre {
  position: relative;
  max-width: 100%;
  overflow-x: auto;
  margin-block: 1.5rem;
  padding: 3rem 1.25rem 1.25rem;
  border: 1px solid var(--ink);
  border-radius: var(--r-md);
  background: var(--ink);
  color: var(--panel);
  font-family: var(--font-mono);
  font-size: var(--blog-meta-size);
  line-height: 1.8;
}

.prose pre::before,
.article-body pre::before,
[data-blog-body] pre::before {
  content: "VPNJL / 配置片段";
  position: absolute;
  top: 0.8rem;
  left: 1.25rem;
  color: var(--white-a80);
  font-family: var(--font-mono);
  font-size: var(--blog-meta-size);
}

.prose code,
.article-body code,
[data-blog-body] code {
  font-family: var(--font-mono);
  overflow-wrap: anywhere;
}

.prose :not(pre) > code,
.article-body :not(pre) > code,
[data-blog-body] :not(pre) > code {
  padding: 0.15rem 0.35rem;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--blog-hero-tint);
}

.prose pre code,
.article-body pre code,
[data-blog-body] pre code {
  background: var(--clear);
  color: inherit;
  white-space: pre-wrap;
}

.callout,
.verdict {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.25rem 1.25rem 1.25rem 3.25rem;
  border: 1px solid var(--line);
  border-inline-start: 0.25rem solid var(--accent);
  border-radius: var(--r-md);
  background: var(--blog-hero-tint);
  color: var(--ink);
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.25rem;
  left: 1rem;
  display: inline-block;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-circle);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-weight: var(--weight-bold);
  line-height: 1.3rem;
  text-align: center;
}

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

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

.verdict {
  padding-inline-start: 1.25rem;
}

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

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

.stat-grid {
  margin-block: 1.5rem;
}

.stat-card {
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-top: 0.25rem solid var(--accent);
  border-radius: var(--r-md);
  background: var(--blog-hero-tint);
}

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

.stat-num {
  display: block;
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: var(--blog-number-size);
  font-weight: var(--weight-bold);
  line-height: 1.5;
}

.stat-label {
  display: block;
  margin-top: 0.4rem;
  color: var(--muted);
  font-size: var(--blog-body-size);
}

.prose .check-list,
.article-body .check-list,
[data-blog-body] .check-list,
.check-list {
  list-style: none;
  padding: 0;
  margin-block: 1.5rem;
}

.check-list li {
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--panel);
}

.promo-block {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 1.75rem var(--blog-gutter);
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-card);
  background: linear-gradient(120deg, var(--ink), var(--blog-promo-end));
  color: var(--panel);
}

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

.promo-block strong {
  font-family: var(--font-display);
  font-size: var(--blog-subsection-size);
  font-weight: var(--weight-bold);
}

.promo-block p {
  margin-block: 0.5rem 0;
  color: var(--panel);
  font-size: var(--blog-body-size);
  line-height: var(--blog-leading);
}

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

.promo-block .btn-primary {
  background: var(--panel);
  border: 1px solid var(--panel);
  color: var(--ink);
}

.promo-block .btn-ghost {
  background: var(--clear);
  border: 1px solid var(--white-a80);
  color: var(--panel);
}

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

.promo-block .btn-ghost:hover {
  background: var(--white-a14);
}

#related-posts {
  margin-block: 1.5rem;
  padding-block: 0.5rem;
}

#related-posts .blog-section-title {
  margin-top: 0;
}

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

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

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem;
  padding-block: 0.5rem;
}

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  color: var(--ink);
  background: var(--panel);
  text-decoration: none;
  transition: border-color var(--blog-transition), transform var(--blog-transition);
}

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

.post-nav-card:hover,
.post-nav-card:focus-visible {
  border-color: var(--accent);
  transform: translateY(-2px);
}

.post-nav-label {
  color: var(--accent-dark);
  font-size: var(--blog-meta-size);
  font-weight: var(--weight-semibold);
}

.post-nav-title {
  font-family: var(--font-display);
  font-size: var(--blog-body-size);
  line-height: 1.7;
  font-weight: var(--weight-semibold);
}

.post-nav-date {
  margin-top: auto;
  color: var(--muted);
  font-size: var(--blog-meta-size);
}

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

.blog-list-page :focus-visible,
.blog-article :focus-visible,
.article-page :focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 3px;
  box-shadow: var(--blog-focus-ring);
}

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

  .prose table,
  .article-body table,
  [data-blog-body] table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

  .prose th,
  .prose td,
  .article-body th,
  .article-body td,
  [data-blog-body] th,
  [data-blog-body] td {
    min-width: 9rem;
  }
}

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

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

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

  .blog-hero,
  .article-hero {
    padding-block: 1.5rem;
  }

  .article-card {
    padding: 1.25rem;
  }

  .promo-block {
    align-items: flex-start;
  }

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

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

@media (prefers-reduced-motion: reduce) {
  .article-card,
  .post-nav-card {
    transition: none;
  }

  .article-card:hover,
  .article-card:focus-within,
  .post-nav-card:hover,
  .post-nav-card:focus-visible {
    transform: none;
  }
}