:root {
  --blog-reading-width: 56rem;
  --blog-gutter: 1.5rem;
  --blog-body-size: 1rem;
  --blog-small-size: .875rem;
  --blog-h1-size: clamp(1.8rem, 4vw, 2.6rem);
  --blog-list-h1-size: clamp(2rem, 5vw, 3rem);
  --blog-h2-size: clamp(1.3rem, 3vw, 1.6rem);
  --blog-h3-size: clamp(1.1rem, 2.5vw, 1.3rem);
  --blog-card-title-size: 1.2rem;
  --blog-stat-size: 1.75rem;
  --blog-tracking: -.015em;
  --blog-radius: var(--r-md);
  --blog-tint: color-mix(in srgb, var(--accent) 7%, var(--bg-panel));
  --blog-tint-alt: color-mix(in srgb, var(--accent) 12%, var(--bg-panel));
  --blog-warning-tint: color-mix(in srgb, var(--warn) 10%, var(--bg-panel));
  --blog-success-tint: color-mix(in srgb, var(--success) 9%, var(--bg-panel));
  --blog-code-bg: var(--text);
  --blog-code-text: var(--bg);
  --blog-promo-bg: linear-gradient(115deg, var(--accent-dark), var(--accent));
  --blog-focus: var(--accent);
  --blog-card-shadow: var(--shadow-panel);
  --blog-duration: .18s;
}

.blog-list-page,
.blog-article-page {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

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

.blog-list-page h1,
.blog-list-page h2,
.blog-list-page h3,
.blog-article-page h1,
.blog-article-page h2,
.blog-article-page h3,
.article-hero h1,
.prose h2,
.prose h3,
.article-body h2,
.article-body h3,
.article-card h3,
#related-posts h2 {
  display: block;
  font-family: var(--font-display);
  letter-spacing: var(--blog-tracking);
  text-wrap: pretty;
  overflow-wrap: break-word;
}

.blog-list-page .blog-visually-hidden {
  text-wrap: nowrap;
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  white-space: nowrap;
  border: 0;
}

.breadcrumbs {
  margin-top: 1.5rem;
  margin-bottom: 1.25rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: .4rem .65rem;
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs li {
  min-width: 0;
  overflow-wrap: anywhere;
}

.breadcrumbs li + li::before {
  content: "›";
  margin-inline-end: .65rem;
  color: var(--text-muted);
}

.breadcrumbs a {
  color: var(--text-muted);
  text-underline-offset: .2em;
}

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

.blog-band {
  box-sizing: border-box;
  width: 100%;
  max-width: none;
  margin: 0;
  padding: 2.5rem var(--blog-gutter);
  border-block: 1px solid var(--border);
  border-inline: 0;
  border-radius: 0;
  background: linear-gradient(110deg, var(--blog-tint), var(--bg-panel2));
  box-shadow: none;
}

.blog-band > .article-hero,
.blog-band > .blog-list-hero,
.blog-band > .reading-wrap {
  width: 100%;
  max-width: var(--blog-reading-width);
  padding-inline: 0;
}

.article-hero.blog-band {
  width: 100%;
  max-width: none;
  padding-inline: var(--blog-gutter);
}

.article-hero.blog-band > :not(.reading-wrap) {
  max-width: var(--blog-reading-width);
  margin-inline: auto;
}

.article-hero h1 {
  margin-block: .8rem 1.25rem;
  font-size: var(--blog-h1-size);
  font-weight: var(--weight-display);
  line-height: 1.4;
}

.blog-list-hero h1 {
  margin-block: .75rem 1rem;
  font-size: var(--blog-list-h1-size);
  font-weight: var(--weight-display);
  line-height: 1.3;
}

.blog-eyebrow {
  margin: 0;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-medium);
}

.blog-accent {
  color: var(--accent);
}

.blog-lead,
.article-hero > p,
.article-hero .article-summary {
  margin-block: 1rem 0;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: 1.9;
}

.article-hero .article-meta,
.article-hero .blog-meta,
.article-hero .hero-meta {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-start;
  align-items: baseline;
  gap: .35rem .6rem;
  margin-block: 0 .75rem;
  padding: 0;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
  border: 0;
  border-radius: 0;
  background: none;
}

.article-hero :is(.article-meta, .blog-meta, .hero-meta) > * {
  padding: 0;
  border: 0;
  border-radius: 0;
  background: none;
  color: inherit;
  box-shadow: none;
  white-space: normal;
}

.article-hero :is(.article-meta, .blog-meta, .hero-meta) > * + *::before {
  content: "·";
  margin-inline-end: .6rem;
}

.blog-catalog {
  padding-block: 2rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.blog-filters button {
  min-height: 2.75rem;
  padding: .55rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-medium);
  line-height: 1.5;
  cursor: pointer;
  transition: border-color var(--blog-duration), background var(--blog-duration);
}

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

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

.blog-result-status {
  min-height: 1.8em;
  margin-block: 1rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

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

.article-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--blog-radius);
  background: var(--bg-panel);
  box-shadow: var(--blog-card-shadow);
  transition: border-color var(--blog-duration), transform var(--blog-duration);
}

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

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .65rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

.article-card .tag {
  max-width: 100%;
  padding: .2rem .6rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  background: var(--bg-panel2);
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  overflow-wrap: anywhere;
}

.article-card h3 {
  margin-block: 1rem .75rem;
  font-size: var(--blog-card-title-size);
  font-weight: var(--weight-bold);
  line-height: 1.6;
}

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

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

.article-card p {
  margin-block: 0 1.25rem;
  color: var(--text-muted);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

.article-card .article-read-link {
  align-self: flex-start;
  margin-top: auto;
  padding-block: .35rem;
  color: var(--accent-dark);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-semibold);
  text-decoration: underline;
  text-underline-offset: .25em;
}

.blog-empty {
  grid-column: 1 / -1;
  padding: 1.5rem;
  border: 1px dashed var(--border);
  border-radius: var(--blog-radius);
  color: var(--text-muted);
  line-height: 1.8;
}

.prose,
.article-body {
  min-width: 0;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--blog-body-size);
  line-height: 1.9;
  overflow-wrap: break-word;
}

.prose.reading-wrap,
.article-body.reading-wrap {
  width: 100%;
  max-width: calc(var(--blog-reading-width) + var(--blog-gutter) * 2);
  margin-inline: auto;
  padding: 1.75rem var(--blog-gutter) 0;
}

.prose h2,
.article-body h2 {
  position: relative;
  margin-block: 2.25rem 1rem;
  padding-top: .9rem;
  color: var(--text);
  font-size: var(--blog-h2-size);
  font-weight: var(--weight-bold);
  line-height: 1.55;
  scroll-margin-top: var(--anchor-offset);
}

.prose h2::before,
.article-body h2::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 2rem;
  height: 3px;
  border-radius: var(--r-pill);
  background: var(--accent);
}

.prose > h2:first-child,
.article-body > h2:first-child,
.prose > section:first-child > h2:first-child,
.article-body > section:first-child > h2:first-child {
  margin-top: .5rem;
}

.prose h3,
.article-body h3 {
  margin-block: 1.6rem .7rem;
  font-size: var(--blog-h3-size);
  line-height: 1.6;
}

.prose p,
.article-body p {
  margin-block: 0 1.2rem;
}

.prose :is(ul, ol),
.article-body :is(ul, ol) {
  padding-inline-start: 1.5rem;
  margin-block: 1rem 1.4rem;
}

.prose li,
.article-body li {
  margin-block: .45rem;
}

.prose a,
.article-body a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: .2em;
  overflow-wrap: anywhere;
}

.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: 3px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-tint);
  color: var(--text-muted);
}

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

.prose :not(pre) > code,
.article-body :not(pre) > code {
  padding: .15em .35em;
  border-radius: var(--r-xs);
  background: var(--bg-panel2);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  overflow-wrap: anywhere;
  white-space: normal;
}

.prose pre,
.article-body pre {
  position: relative;
  max-width: 100%;
  margin-block: 1.5rem;
  padding: 2.6rem 1.25rem 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--blog-radius);
  background: var(--blog-code-bg);
  color: var(--blog-code-text);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
  line-height: 1.8;
  tab-size: 2;
}

.prose pre::before,
.article-body pre::before {
  content: "终端 / 配置";
  position: absolute;
  inset-block-start: .65rem;
  inset-inline-start: 1.25rem;
  color: var(--blog-code-text);
  font-family: var(--font-mono);
  font-size: var(--blog-small-size);
}

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

.prose .table-scroll,
.article-body .table-scroll {
  max-width: 100%;
  margin-block: 1.5rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--blog-radius);
}

.prose table,
.article-body table {
  width: 100%;
  max-width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  font-size: var(--blog-small-size);
  line-height: 1.8;
  word-break: keep-all;
}

.prose .table-scroll table,
.article-body .table-scroll table {
  margin: 0;
}

.prose caption,
.article-body caption {
  padding: .8rem 1rem;
  color: var(--text-muted);
  text-align: left;
  font-weight: var(--weight-medium);
}

.prose :is(th, td),
.article-body :is(th, td) {
  padding: .9rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.prose thead th,
.article-body thead th {
  background: var(--accent-dark);
  color: var(--on-accent);
  font-weight: var(--weight-semibold);
}

.prose tbody th,
.article-body tbody th {
  color: var(--text);
}

.prose tbody tr,
.article-body tbody tr {
  background: var(--bg-panel);
}

.prose tbody tr:nth-child(even),
.article-body tbody tr:nth-child(even) {
  background: var(--bg-panel2);
}

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

.callout {
  position: relative;
  margin-block: 1.5rem;
  padding: 1.25rem 1.25rem 1.25rem 3.5rem;
  border: 1px solid var(--border);
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--blog-radius);
  background: var(--blog-tint);
  color: var(--text);
  line-height: 1.85;
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.25rem;
  left: 1rem;
  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-weight: var(--weight-bold);
  line-height: 1.4rem;
  text-align: center;
}

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

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

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

.callout > :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: 3px solid var(--accent);
  border-radius: var(--blog-radius);
  background: var(--blog-tint);
}

.stat-card:nth-child(even) {
  border-top-color: var(--accent-dark);
  background: var(--bg-panel2);
}

.stat-num {
  display: block;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-stat-size);
  font-weight: var(--weight-bold);
  font-variant-numeric: tabular-nums;
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-label {
  display: block;
  margin-top: .45rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
  line-height: 1.8;
}

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

.check-list li {
  margin-block: .65rem;
  padding: .9rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--bg-panel);
}

.verdict {
  margin-block: 1.5rem;
  padding: 1.1rem 1.25rem;
  border-inline-start: 4px solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--blog-tint);
  color: var(--text);
  line-height: 1.9;
}

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

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

.promo-block {
  box-sizing: border-box;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 1.75rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--blog-radius);
  background: var(--blog-promo-bg);
  color: var(--on-accent);
  box-shadow: var(--shadow-panel);
}

.promo-block.reading-wrap {
  width: calc(100% - var(--blog-gutter) * 2);
  max-width: var(--blog-reading-width);
  margin-inline: auto;
  padding-inline: 1.75rem;
}

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

.promo-brand {
  color: var(--on-accent);
  font-family: var(--font-display);
  font-size: var(--blog-stat-size);
  font-weight: var(--weight-display);
  line-height: 1.3;
}

.promo-block p {
  margin-block: .6rem 0;
  color: var(--on-accent);
  font-size: var(--blog-body-size);
  line-height: 1.85;
}

.promo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: .75rem;
}

.promo-block .btn-primary {
  border-color: var(--on-accent);
  background: var(--on-accent);
  color: var(--accent-dark);
}

.promo-block .btn-primary:hover {
  background: var(--bg-panel2);
  color: var(--accent-dark);
}

.promo-block .btn-ghost {
  border-color: var(--on-accent);
  background: none;
  color: var(--on-accent);
}

.promo-block .btn-ghost:hover {
  background: var(--accent-dark);
  color: var(--on-accent);
}

#related-posts,
#post-nav {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(var(--blog-reading-width) + var(--blog-gutter) * 2);
  margin-inline: auto;
  padding-inline: var(--blog-gutter);
  min-width: 0;
}

#related-posts {
  padding-block: 1.25rem;
}

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

#related-posts > h2 {
  margin-block: 0 1.25rem;
  color: var(--text);
  font-size: var(--blog-h2-size);
  line-height: 1.55;
}

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

.post-nav-card {
  display: block;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-top: 3px solid var(--border);
  border-radius: var(--blog-radius);
  background: var(--bg-panel);
  color: var(--text);
  text-decoration: none;
  transition: border-color var(--blog-duration), transform var(--blog-duration);
}

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

.post-nav-label {
  display: block;
  margin-bottom: .5rem;
  color: var(--accent-dark);
  font-size: var(--blog-small-size);
  font-weight: var(--weight-semibold);
}

.post-nav-card strong {
  display: block;
  color: var(--text);
  font-size: var(--blog-body-size);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.post-nav-card time {
  display: block;
  margin-top: .7rem;
  color: var(--text-muted);
  font-size: var(--blog-small-size);
}

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

.blog-filters button:focus-visible,
.article-card a:focus-visible,
.post-nav-card:focus-visible,
.breadcrumbs a:focus-visible,
.prose a:focus-visible,
.article-body a:focus-visible,
.table-scroll:focus-visible {
  outline: 2px solid var(--blog-focus);
  outline-offset: 4px;
}

.promo-block a:focus-visible {
  outline: 2px solid var(--on-accent);
  outline-offset: 4px;
}

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

.prose img,
.article-body img {
  height: auto;
  border-radius: var(--blog-radius);
}

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

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

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

  .blog-card-grid,
  .related-grid,
  #post-nav {
    grid-template-columns: minmax(0, 1fr);
  }

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

  .blog-band {
    padding-block: 2rem;
  }

  .article-card {
    padding: 1.25rem;
  }

  .promo-block,
  .promo-block.reading-wrap {
    padding: 1.5rem;
  }

  .promo-actions {
    width: 100%;
  }

  .promo-actions .btn {
    flex: 1 1 auto;
  }

  .prose.reading-wrap,
  .article-body.reading-wrap {
    padding-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;
  }
}