:root {
  --blog-reading: 56rem;
  --blog-body-size: 1rem;
  --blog-body-leading: 1.9;
  --blog-list-title: clamp(2rem, 4vw, 3rem);
  --blog-article-title: clamp(1.85rem, 3.5vw, 2.6rem);
  --blog-h2: clamp(1.3rem, 2vw, 1.6rem);
  --blog-h3: 1.25rem;
  --blog-card-title: 1.15rem;
  --blog-small: 0.875rem;
  --blog-caption: 0.78rem;
  --blog-label-spacing: 0.08em;
  --blog-title-spacing: -0.015em;
  --blog-focus-width: 3px;
  --blog-rule: 3px;
  --blog-grid-size: 32px;
  --blog-hero-tint: color-mix(in srgb, var(--accent) 10%, var(--panel));
  --blog-sky-tint: color-mix(in srgb, var(--accent-2) 10%, var(--panel));
  --blog-warning-tint: color-mix(in srgb, var(--warn) 12%, var(--panel));
  --blog-success-tint: color-mix(in srgb, var(--success) 10%, var(--panel));
}

.blog-main {
  padding-block-end: 3rem;
}

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

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

.blog-index :focus-visible,
.reading-wrap :focus-visible,
.article-hero :focus-visible,
.float-cta:focus-visible {
  outline: var(--blog-focus-width) solid var(--accent);
  outline-offset: 4px;
}

.breadcrumbs {
  margin-top: 1.5rem;
  padding-block: 0.25rem 1rem;
  font-size: var(--blog-small);
  color: var(--muted);
  overflow-wrap: anywhere;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "/";
  margin-inline-end: 0.5rem;
  color: var(--muted);
}

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

.blog-hero,
.article-hero {
  position: relative;
  isolation: isolate;
  box-sizing: border-box;
  padding-block: 2.5rem;
  padding-inline: var(--gutter);
}

.blog-hero::before,
.article-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0.5rem;
  right: var(--gutter);
  bottom: 0.5rem;
  left: calc(var(--gutter) + 1.5rem);
  border-radius: var(--r-lg);
  border: 1px solid var(--border-soft);
  background:
    linear-gradient(var(--grid-line) 1px, var(--clear) 1px),
    linear-gradient(90deg, var(--grid-line) 1px, var(--clear) 1px),
    linear-gradient(135deg, var(--blog-hero-tint), var(--blog-sky-tint));
  background-size: var(--blog-grid-size) var(--blog-grid-size), var(--blog-grid-size) var(--blog-grid-size), auto;
}

.blog-hero {
  padding-inline: max(1.5rem, var(--gutter));
  margin-bottom: 2rem;
}

.blog-hero h1,
.article-hero h1,
.article-body h1,
.article-body h2,
.article-body h3,
.article-card h2,
.article-card h3,
.related-heading,
.promo-block h2 {
  display: block;
  font-family: var(--font-display);
  color: var(--text);
  letter-spacing: var(--blog-title-spacing);
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.blog-hero h1 {
  max-width: 21ch;
  margin-block: 0.75rem 1rem;
  font-size: var(--blog-list-title);
  font-weight: var(--weight-display);
  line-height: 1.25;
}

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

.blog-intro {
  max-width: 45rem;
  margin-block: 0 0.5rem;
  margin-inline-start: 1.25rem;
  color: var(--muted);
  line-height: var(--blog-body-leading);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  padding: 0.5rem;
  border-radius: var(--r-lg);
  background: var(--text);
}

.blog-filters button {
  min-height: 2.75rem;
  padding: 0.6rem 1rem;
  border: 1px solid var(--clear);
  border-radius: var(--r-pill);
  color: var(--on-ink);
  background: var(--clear);
  font: inherit;
  font-size: var(--blog-small);
  cursor: pointer;
}

.blog-filters button:hover {
  border-color: var(--on-ink-muted);
}

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

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

.blog-post-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 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-radius: var(--r-lg);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

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

.article-card h2,
.article-card h3 {
  margin-block: 1rem 0.75rem;
  font-size: var(--blog-card-title);
  font-weight: var(--weight-bold);
  line-height: 1.6;
}

.article-card h2 a,
.article-card h3 a {
  color: var(--text);
  text-decoration: none;
}

.article-card h2 a:hover,
.article-card h3 a:hover {
  color: var(--accent-dark);
}

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

.article-card .text-link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent-dark);
  font-weight: var(--weight-semibold);
  font-size: var(--blog-small);
  text-underline-offset: 0.25em;
}

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

.article-meta .tag {
  max-width: 100%;
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  color: var(--panel);
  background: var(--accent-dark);
  white-space: normal;
  overflow-wrap: anywhere;
}

.article-meta time,
.article-meta .read-time,
.article-meta .reading-time {
  padding: 0.3rem 0.65rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--muted);
  background: var(--panel);
}

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

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

.article-hero {
  padding-block: 2rem;
  margin-block-end: 1.5rem;
}

.article-hero h1 {
  margin-block: 1.25rem 1rem;
  font-size: var(--blog-article-title);
  font-weight: var(--weight-display);
  line-height: 1.4;
}

.article-hero .article-meta,
.article-hero .article-summary,
.article-hero .article-deck,
.article-hero > p {
  margin-inline-start: 1.25rem;
}

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

.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);
  counter-reset: blog-section;
  overflow-wrap: anywhere;
}

.article-body h2,
[data-article-body] h2 {
  display: block;
  counter-increment: blog-section;
  margin-block: 2.25rem 1rem;
  padding-block-end: 0.65rem;
  border-bottom: 1px solid var(--border);
  font-size: var(--blog-h2);
  font-weight: var(--weight-bold);
  line-height: 1.6;
  letter-spacing: var(--blog-title-spacing);
  text-wrap: pretty;
  scroll-margin-top: var(--anchor-gap);
}

.article-body > h2:first-child,
.article-body > section:first-child > h2:first-child,
[data-article-body] > h2:first-child {
  margin-block-start: 0.5rem;
}

.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: 0.15rem 0.45rem;
  border-radius: var(--r-xs);
  background: var(--blog-hero-tint);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  vertical-align: 0.15em;
}

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

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

.article-body ul,
.article-body ol,
[data-article-body] ul,
[data-article-body] ol {
  margin-block: 1rem 1.5rem;
  padding-inline-start: 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-underline-offset: 0.2em;
}

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

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

.article-body blockquote,
[data-article-body] blockquote {
  margin: 1.5rem 0;
  padding: 1.25rem 1.5rem;
  border-inline-start: var(--blog-rule) solid var(--accent);
  border-radius: var(--r-sm);
  background: var(--panel-2);
  color: var(--muted);
}

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

.article-body code,
[data-article-body] code {
  padding: 0.15em 0.35em;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  white-space: normal;
  overflow-wrap: anywhere;
  word-break: break-word;
}

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

.article-body pre::before,
[data-article-body] pre::before {
  content: "CONFIG / 配置参考";
  position: absolute;
  top: 0.8rem;
  left: 1.25rem;
  color: var(--on-ink-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-caption);
  letter-spacing: var(--blog-label-spacing);
}

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

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

.article-body table,
[data-article-body] table {
  width: 100%;
  border-collapse: collapse;
  text-align: start;
  font-size: var(--blog-small);
  background: var(--panel);
}

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

.article-body thead th,
[data-article-body] thead th {
  color: var(--on-ink);
  background: var(--ink-frame);
  font-weight: var(--weight-semibold);
}

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

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

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

.callout {
  padding-inline-start: 3.5rem;
}

.callout::before {
  content: "i";
  position: absolute;
  top: 1.3rem;
  left: 1.1rem;
  width: 1.45rem;
  height: 1.45rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-round);
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-small);
  font-weight: var(--weight-bold);
  line-height: 1.45rem;
  text-align: center;
}

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

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

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

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

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

.stat-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 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);
  border-radius: var(--r-md);
  background: var(--blog-hero-tint);
}

.stat-card:nth-child(even) {
  border-top-color: var(--accent-2);
  background: var(--blog-sky-tint);
}

.stat-num,
.stat-label {
  display: block;
}

.stat-num {
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--blog-h2);
  font-weight: var(--weight-bold);
  overflow-wrap: anywhere;
}

.stat-label {
  margin-top: 0.5rem;
  color: var(--muted);
  font-size: var(--blog-small);
}

.article-body .check-list,
[data-article-body] .check-list,
.check-list {
  display: grid;
  gap: 0.65rem;
  margin-block: 1.5rem;
  padding: 0;
  list-style: none;
}

.check-list li {
  margin: 0;
  padding: 1rem 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  background: var(--panel);
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 2rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-lg);
  color: var(--on-ink);
  background: linear-gradient(125deg, var(--accent-dark), var(--ink-frame));
  box-shadow: var(--shadow-card);
}

.promo-block h2 {
  margin: 0 0 0.65rem;
  color: var(--on-ink);
  font-size: var(--blog-h2);
  line-height: 1.5;
}

.promo-block h2::before {
  content: none;
}

.promo-block p {
  max-width: 38rem;
  margin: 0;
  color: var(--on-ink);
  font-size: var(--blog-body-size);
  line-height: var(--blog-body-leading);
}

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

.promo-block .btn-primary {
  color: var(--accent-dark);
  border: 1px solid var(--panel);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
}

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

.promo-block .btn:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

#related-posts {
  padding-block: 1.5rem 1rem;
}

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

.related-heading {
  margin-block: 0 1rem;
  font-size: var(--blog-h2);
}

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

.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);
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
  transition: border-color var(--fast) var(--ease), transform var(--fast) var(--ease);
}

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

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

.post-nav-label {
  display: block;
  margin-bottom: 0.6rem;
  color: var(--accent-dark);
  font-size: var(--blog-small);
}

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

/* 保留文章落地页可复用样式；列表页不挂载此组件。 */
.float-cta {
  position: fixed;
  right: 1.25rem;
  bottom: calc(1.25rem + env(safe-area-inset-bottom, 0px));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.6rem;
  max-width: calc(100vw - 2.5rem);
  min-height: 3rem;
  padding: 0.75rem 1.25rem;
  border: 1px solid var(--accent-dark);
  border-radius: var(--r-pill);
  color: var(--panel);
  background: var(--accent-dark);
  box-shadow: var(--shadow-pill);
  font-family: var(--font-body);
  font-size: var(--blog-small);
  font-weight: var(--weight-semibold);
  line-height: 1.5;
  text-decoration: none;
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.2rem;
  height: 1.2rem;
  fill: none;
  stroke: currentColor;
}

.float-cta:hover {
  background: var(--text);
  border-color: var(--text);
}

@media (max-width: 1000px) {
  .blog-post-grid,
  .related-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@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;
  }

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

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

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

  .blog-hero,
  .article-hero {
    padding-block: 1.75rem;
  }

  .blog-hero h1 {
    font-size: min(var(--blog-list-title), 2.25rem);
  }

  .article-hero h1 {
    font-size: min(var(--blog-article-title), 2.25rem);
  }

  .blog-hero::before,
  .article-hero::before {
    left: calc(var(--gutter) + 0.75rem);
  }

  .blog-intro,
  .article-hero .article-meta,
  .article-hero .article-summary,
  .article-hero .article-deck,
  .article-hero > p {
    margin-inline-start: 0.5rem;
  }

  .article-card,
  .promo-block {
    padding: 1.25rem;
  }

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

  .float-cta {
    right: 0.75rem;
    bottom: calc(0.75rem + env(safe-area-inset-bottom, 0px));
    min-height: 2.75rem;
    max-width: calc(100vw - 1.5rem);
    padding: 0.6rem 1rem;
  }

  body:has(.float-cta) {
    padding-bottom: calc(5rem + env(safe-area-inset-bottom, 0px));
  }
}

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

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