.blog-index,
.reading-wrap,
.article-hero,
.breadcrumbs,
.promo-block,
#related-posts,
#post-nav {
  --blog-reading: 56rem;
  --blog-inset: max(1.5rem, var(--gutter));
}

.blog-index {
  font-family: var(--font-body);
}

.blog-index *,
.reading-wrap *,
.article-hero *,
#related-posts *,
#post-nav * {
  box-sizing: border-box;
  min-width: 0;
}

.blog-skip {
  position: absolute;
  top: 0.75rem;
  left: var(--gutter);
  z-index: 100;
  padding: 0.75rem 1rem;
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  color: var(--accent-dark);
  transform: translateY(-180%);
}

.blog-skip:focus {
  transform: translateY(0);
}

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

.breadcrumbs {
  width: 100%;
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: 0.875rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.4rem 0.65rem;
  padding: 0;
  margin: 0;
  list-style: none;
}

.breadcrumbs li {
  overflow-wrap: anywhere;
}

.breadcrumbs li + li::before {
  content: "/";
  padding-right: 0.65rem;
  color: var(--text-muted);
}

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

.blog-list-hero,
.article-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--r-lg);
  background: var(--bg-panel);
  box-shadow: var(--paper-shadow);
  text-align: left;
}

.blog-list-hero {
  padding: 2.5rem var(--blog-inset);
}

.blog-kicker {
  margin: 0 0 1rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.875rem;
}

.blog-list-hero h1 {
  max-width: calc(100% - 8rem);
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  line-height: 1.25;
}

.blog-list-hero .lede {
  max-width: 43rem;
  margin: 0;
  padding-right: 5rem;
  color: var(--text-muted);
  font-size: 1.0625rem;
  line-height: 1.9;
}

.article-stamp {
  position: absolute;
  top: 1.8rem;
  right: 1.8rem;
  display: grid;
  place-content: center;
  width: 6.75rem;
  height: 6.75rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.7;
  text-align: center;
  letter-spacing: 0.04em;
  transform: rotate(-11deg);
  pointer-events: none;
}

.article-stamp::before {
  content: "";
  position: absolute;
  inset: 0.35rem;
  border: 1px solid var(--accent-dark);
  border-radius: inherit;
}

.blog-index h1,
.blog-index h2,
.blog-index h3,
.article-hero h1,
.article-body h2,
.article-body h3,
[data-article-body] h2,
[data-article-body] h3,
#related-posts h2,
#related-posts h3,
.promo-block h2 {
  display: block;
  text-wrap: pretty;
  letter-spacing: normal;
  overflow-wrap: anywhere;
}

.blog-catalog {
  margin-top: 2.5rem;
}

.blog-catalog > h2,
#related-posts > h2 {
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.5;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.blog-filters button {
  min-height: 2.75rem;
  padding: 0.55rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font: inherit;
  font-size: 0.9375rem;
  cursor: pointer;
  transition: border-color 160ms ease, background 160ms ease;
}

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

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

.blog-status {
  min-height: 1.5rem;
  margin: 1rem 0;
  color: var(--text-muted);
  font-size: 0.875rem;
}

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

.article-card {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  color: var(--text);
  box-shadow: inset 0 1px 0 var(--hl-white);
  transition: transform 180ms ease, border-color 180ms ease, box-shadow 180ms ease;
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--accent);
  box-shadow: var(--shadow-violet-soft);
  transform: translateY(-3px);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: center;
  gap: 0.6rem;
  color: var(--text-muted);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.article-meta time,
.article-readtime {
  font-family: var(--font-mono);
}

.article-meta .tag {
  display: inline-block;
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  background: var(--accent-dark);
  color: var(--white);
  font-family: var(--font-body);
}

.article-card h3 {
  margin: 0;
  font-family: var(--font-body);
  font-size: 1.125rem;
  line-height: 1.65;
  text-wrap: pretty;
  letter-spacing: normal;
}

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

.article-card h3 a:hover {
  color: var(--accent-dark);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.article-card > p {
  margin: 0;
  color: var(--text-muted);
  font-size: 0.9375rem;
  line-height: 1.85;
}

.article-read-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-weight: 600;
  text-decoration: none;
  text-underline-offset: 0.25em;
}

.article-read-link:hover {
  text-decoration: underline;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 2rem;
  border: 1px dashed var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel-2);
  color: var(--text-muted);
  line-height: 1.8;
}

.reading-wrap,
.article-hero,
body:not(.blog-index) main > .breadcrumbs,
body:not(.blog-index) main > .promo-block,
body:not(.blog-index) main > #related-posts,
body:not(.blog-index) main > #post-nav {
  box-sizing: border-box;
  width: min(100%, calc(var(--blog-reading) + var(--blog-inset) * 2));
  max-width: calc(var(--blog-reading) + var(--blog-inset) * 2);
  margin-inline: auto;
  padding-inline: var(--blog-inset);
}

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

.reading-wrap > .article-hero,
.reading-wrap > .promo-block,
.reading-wrap > #related-posts,
.reading-wrap > #post-nav {
  width: auto;
  max-width: none;
  margin-inline: calc(-1 * var(--blog-inset));
  padding-inline: var(--blog-inset);
}

.article-hero {
  margin-top: 0;
  margin-bottom: 1.75rem;
  padding-block: 2rem;
}

.article-hero .article-meta {
  padding-right: 8rem;
  margin-bottom: 1.1rem;
}

.article-hero .article-meta time,
.article-hero .article-readtime {
  padding: 0.25rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
}

.article-hero h1,
.article-hero .h1 {
  max-width: calc(100% - 8rem);
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.8vw, 2.6rem);
  line-height: 1.4;
}

.article-hero .lede,
.article-hero .article-summary,
.article-hero > p:last-child {
  margin-bottom: 0;
  color: var(--text-muted);
  font-size: 1rem;
  line-height: 1.9;
}

.article-body,
[data-article-body] {
  counter-reset: blog-section;
  color: var(--text);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.9;
  overflow-wrap: anywhere;
}

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

.article-body h2,
[data-article-body] h2 {
  margin: 2.25rem 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.6vw, 1.6rem);
  line-height: 1.65;
  counter-increment: blog-section;
  scroll-margin-top: var(--toc-offset);
}

.article-body h2::before,
[data-article-body] h2::before {
  content: counter(blog-section, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.65rem;
  padding: 0.05rem 0.45rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  vertical-align: 0.15em;
}

.article-body h3,
[data-article-body] h3 {
  margin: 1.6rem 0 0.65rem;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1.7;
}

.article-body p,
[data-article-body] p {
  margin: 0 0 1.15rem;
}

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

.article-body li,
[data-article-body] li {
  margin-block: 0.5rem;
}

.article-body a,
[data-article-body] a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.article-body blockquote,
[data-article-body] blockquote {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-left: 3px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--bg-panel-2);
  color: var(--text-muted);
}

.article-body code,
[data-article-body] code {
  padding: 0.15em 0.4em;
  border-radius: var(--r-sm);
  background: var(--bg-panel-2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.875em;
  overflow-wrap: anywhere;
  word-break: break-word;
}

.article-body pre,
[data-article-body] pre {
  position: relative;
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 2.7rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--text-muted);
  border-radius: var(--r-md);
  background: var(--text);
  color: var(--bg-panel);
  line-height: 1.8;
}

.article-body pre::before,
[data-article-body] pre::before {
  content: "VPN83 / 连接检查";
  position: absolute;
  top: 0.6rem;
  left: 1.25rem;
  color: var(--butter-200);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.article-body pre code,
[data-article-body] pre code {
  display: block;
  padding: 0;
  background: var(--clear);
  color: inherit;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

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

.article-body table,
[data-article-body] table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  background: var(--bg-panel);
  font-size: 0.9375rem;
  line-height: 1.8;
}

.article-body .table-scroll table,
[data-article-body] .table-scroll table {
  margin: 0;
}

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

.article-body thead th,
[data-article-body] thead th {
  background: var(--accent-dark);
  color: var(--white);
  font-weight: 600;
}

.article-body tbody tr:nth-child(even),
[data-article-body] tbody tr:nth-child(even) {
  background: var(--bg-panel-2);
}

.article-body tbody tr:hover,
[data-article-body] tbody tr:hover {
  background: color-mix(in srgb, var(--accent) 10%, var(--bg-panel));
}

.callout,
.verdict {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.2rem 1.25rem 1.2rem 3.4rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: color-mix(in srgb, var(--accent) 7%, var(--bg-panel));
  color: var(--text);
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.3rem;
  left: 1rem;
  display: inline-block;
  width: 1.4rem;
  height: 1.4rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
  line-height: 1.3rem;
  text-align: center;
}

.callout.warning,
.callout.is-warning,
.callout--warning {
  border-left-color: var(--warn);
  background: color-mix(in srgb, var(--warn) 12%, var(--bg-panel));
}

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

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

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

.verdict {
  padding-left: 1.25rem;
}

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

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 12rem), 1fr));
  gap: 1rem;
  margin: 1.5rem 0;
}

.stat-card {
  padding: 1.3rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-md);
  background: color-mix(in srgb, var(--accent) 7%, var(--bg-panel));
}

.stat-card:nth-child(even) {
  border-top-color: var(--sky-400);
  background: color-mix(in srgb, var(--sky-200) 45%, var(--bg-panel));
}

.stat-card:nth-child(3n) {
  border-top-color: var(--sakura-400);
  background: color-mix(in srgb, var(--sakura-200) 40%, var(--bg-panel));
}

.stat-num {
  display: block;
  margin-bottom: 0.4rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1.5;
}

.stat-label {
  display: block;
  color: var(--text-muted);
  font-size: 0.875rem;
  line-height: 1.8;
}

.article-body .check-list,
[data-article-body] .check-list {
  padding: 0;
  list-style: none;
}

.check-list li {
  margin-block: 0.6rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
  list-style: none;
}

.promo-block {
  display: block;
  margin-top: 2rem;
  margin-bottom: 1.5rem;
  padding: 1.75rem var(--blog-inset);
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-lg);
  background: linear-gradient(125deg, var(--accent-dark), var(--accent));
  color: var(--white);
}

.promo-block h2 {
  margin: 0 0 0.6rem;
  color: var(--white);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.5;
}

.promo-block p {
  margin: 0;
  color: var(--white);
  font-size: 1rem;
  line-height: 1.85;
}

.promo-block .cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.8rem;
  margin-top: 1.25rem;
}

.promo-block .btn-primary {
  border-color: var(--white);
  background: var(--white);
  color: var(--accent-dark);
  box-shadow: none;
}

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

.promo-block .btn-ghost {
  border-color: var(--white);
  background: var(--clear);
  color: var(--white);
}

.promo-block .btn-ghost:hover {
  background: color-mix(in srgb, var(--white) 14%, var(--clear));
}

#related-posts {
  padding-top: 1.25rem;
  padding-bottom: 1rem;
}

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

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

.related-grid .article-card {
  padding: 1.15rem;
}

.related-grid .article-card h3 {
  font-size: 1rem;
}

.related-grid .article-card > p {
  font-size: 0.875rem;
}

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

.post-nav-card {
  display: block;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--r-md);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: border-color 180ms ease, transform 180ms ease;
}

.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,
.post-nav-card strong,
.post-nav-card time {
  display: block;
}

.post-nav-label {
  margin-bottom: 0.65rem;
  color: var(--accent-dark);
  font-size: 0.875rem;
}

.post-nav-card strong {
  font-size: 1rem;
  line-height: 1.75;
}

.post-nav-card time {
  margin-top: 0.75rem;
  color: var(--text-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.blog-filters button:focus-visible,
.article-card a:focus-visible,
.post-nav-card:focus-visible,
.breadcrumbs a:focus-visible,
.promo-block a:focus-visible,
.blog-skip:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 4px;
}

.promo-block a:focus-visible {
  outline-color: var(--white);
}

body:has(.float-cta) #site-footer {
  padding-bottom: 6rem;
}

@media (max-width: 860px) {
  .article-body table,
  [data-article-body] table {
    display: block;
    width: fit-content;
    max-width: 100%;
    overflow-x: auto;
  }

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

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

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

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

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

  .article-stamp {
    display: none;
  }

  .blog-list-hero h1,
  .article-hero h1,
  .article-hero .h1 {
    max-width: none;
  }

  .blog-list-hero .lede,
  .article-hero .article-meta {
    padding-right: 0;
  }

  .blog-list-hero h1 {
    font-size: clamp(1.9rem, 7vw, 2.25rem);
  }

  .article-hero h1,
  .article-hero .h1 {
    font-size: 1.8rem;
  }

  .article-card {
    padding: 1.25rem;
  }

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

  .breadcrumbs {
    margin-top: 1.5rem;
  }
}

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

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