/* 博客使用 base.css 的令牌；阅读列内宽统一为 56rem。 */
.blog-index,
.blog-article {
  color: var(--text);
  background: var(--bg);
  font-family: var(--font-body);
}

.reading-wrap,
.breadcrumbs,
.article-hero,
#post-nav,
#related-posts {
  box-sizing: border-box;
  width: 100%;
  max-width: calc(56rem + max(var(--gutter), 1.5rem) * 2);
  margin-inline: auto;
  padding-inline: max(var(--gutter), 1.5rem);
  min-width: 0;
}

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

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

.blog-index a:focus-visible,
.blog-article a:focus-visible,
.blog-filters button:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.blog-list-hero {
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
  border-block: 1px solid var(--border);
  background: linear-gradient(150deg, var(--hero-top), var(--hero-bottom));
}

.blog-kicker {
  margin: 0 0 0.85rem;
  color: var(--accent-dark);
  font-family: var(--font-mono);
  font-size: var(--size-small);
}

.blog-list-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(2rem, 4.5vw, 3rem);
  font-weight: var(--weight-display);
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.blog-intro {
  max-width: 45rem;
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: var(--size-body);
  line-height: 1.8;
}

.blog-list-section {
  padding-block: 2rem 1rem;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.blog-filters button {
  min-height: 44px;
  max-width: 100%;
  padding: 0.65rem 1rem;
  border: 1px solid var(--border);
  border-radius: var(--r-pill);
  color: var(--muted);
  background: var(--panel);
  font: inherit;
  line-height: 1.4;
  white-space: normal;
  cursor: pointer;
  transition: background 160ms ease, color 160ms ease, border-color 160ms ease;
}

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

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

.blog-filter-status {
  min-height: 1.5rem;
  margin: 1.1rem 0;
  color: var(--muted);
  font-size: var(--size-small);
  line-height: 1.6;
}

.blog-post-grid,
.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.2rem;
}

.article-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  background: var(--panel);
  box-shadow: inset 0 1px 0 var(--hi), 0 12px 32px var(--glow-sky);
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

.article-card:hover,
.article-card:focus-within {
  border-color: var(--accent);
  transform: translateY(-3px);
  box-shadow: inset 0 3px 0 var(--accent), 0 14px 32px var(--glow-amber);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: flex-start;
  gap: 0.35rem 0.65rem;
  color: var(--muted);
  font-size: var(--size-small);
  line-height: 1.6;
}

.article-meta > * + *::before {
  content: "·";
  margin-right: 0.65rem;
  color: var(--muted);
}

.article-tag {
  color: var(--accent-dark);
}

.article-card h2,
.article-card h3 {
  display: block;
  margin: 0.9rem 0 0;
  font-family: var(--font-display);
  font-size: calc(var(--size-body) * 1.2);
  font-weight: var(--weight-display);
  line-height: 1.55;
  letter-spacing: -0.01em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.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: 0.9rem 0 1.25rem;
  color: var(--muted);
  font-size: var(--size-body);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.article-card .text-link {
  margin-top: auto;
  padding-block: 0.35rem;
  color: var(--accent-dark);
  font-size: var(--size-small);
  text-underline-offset: 0.25em;
}

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

.blog-empty p {
  margin-block: 0.4rem;
}

.blog-list-promo {
  padding-block: 1.5rem 3rem;
}

.breadcrumbs {
  margin-top: 1.5rem;
  padding-block: 0.4rem 1.25rem;
  color: var(--muted);
  font-size: var(--size-small);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 0.3rem 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.breadcrumbs li + li::before {
  content: "›";
  margin-right: 0.6rem;
  color: var(--muted);
}

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

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

/* hero 自身为阅读列，伪元素将雾青色带扩展到视口两侧。 */
.article-hero {
  position: relative;
  isolation: isolate;
  margin-block: 0;
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  padding-inline: max(var(--gutter), 1.5rem);
  border: 0;
  border-radius: 0;
  background: var(--clear);
  box-shadow: none;
}

.article-hero::before {
  content: "";
  position: absolute;
  z-index: -1;
  top: 0;
  bottom: 0;
  left: calc(50% - 50vw);
  width: 100vw;
  border-block: 1px solid var(--border);
  background:
    radial-gradient(circle at 18% 12%, var(--halo-amber), var(--clear) 45%),
    linear-gradient(120deg, var(--section-2), var(--panel-2));
  pointer-events: none;
}

.article-hero h1 {
  display: block;
  margin: 0.85rem 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.6vw, 2.6rem);
  font-weight: var(--weight-display);
  line-height: 1.4;
  letter-spacing: -0.02em;
  text-wrap: pretty;
  overflow-wrap: anywhere;
}

.article-hero .article-meta,
.article-hero .article-meta > *,
.article-hero .article-meta .badge,
.article-hero .article-meta .tag,
.article-hero .article-meta .chip {
  border: 0;
  border-radius: 0;
  background: var(--clear);
  box-shadow: none;
}

.article-hero .article-meta > * {
  padding: 0;
  color: var(--muted);
}

.article-hero > p,
.article-hero .article-summary,
.article-hero .lede {
  margin: 0;
  color: var(--muted);
  font-size: var(--size-body);
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.blog-prose,
.article-body,
article.prose,
[data-blog-body] {
  min-width: 0;
  padding-block: 1.75rem 1rem;
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.85;
  overflow-wrap: anywhere;
  counter-reset: blog-chapter;
}

.blog-prose h2,
.article-body h2,
article.prose h2,
[data-blog-body] h2 {
  display: block;
  margin: 2rem 0 0.85rem;
  padding: 0;
  font-family: var(--font-display);
  font-size: calc(var(--size-body) * 1.6);
  font-weight: var(--weight-display);
  line-height: 1.55;
  letter-spacing: -0.01em;
  text-wrap: pretty;
  counter-increment: blog-chapter;
}

.blog-prose h2::before,
.article-body h2::before,
article.prose h2::before,
[data-blog-body] h2::before {
  content: counter(blog-chapter, decimal-leading-zero);
  display: inline-block;
  margin-right: 0.65rem;
  padding: 0.1rem 0.4rem;
  border-radius: var(--r-xs);
  color: var(--accent-dark);
  background: var(--badge-bg);
  font-family: var(--font-mono);
  font-size: calc(var(--size-body) * 0.8);
  line-height: 1.6;
  vertical-align: 0.15em;
}

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

.blog-prose h3,
.article-body h3,
article.prose h3,
[data-blog-body] h3 {
  display: block;
  margin: 1.4rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: calc(var(--size-body) * 1.3);
  font-weight: var(--weight-display);
  line-height: 1.6;
  letter-spacing: 0;
  text-wrap: pretty;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) p {
  margin: 0.85rem 0;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) :is(ul, ol) {
  padding-left: 1.5rem;
  margin-block: 1rem;
}

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

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

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

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) hr {
  margin-block: 1.75rem;
  border: 0;
  border-top: 1px solid var(--border);
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) code {
  padding: 0.1rem 0.35rem;
  border-radius: var(--r-xs);
  color: var(--text);
  background: var(--panel-2);
  font-family: var(--font-mono);
  font-size: calc(var(--size-body) * 0.9);
  white-space: normal;
  overflow-wrap: anywhere;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) pre {
  position: relative;
  max-width: 100%;
  margin-block: 1.5rem;
  padding: 2.6rem 1.25rem 1.25rem;
  border: 1px solid var(--ink-hover);
  border-radius: var(--r-md);
  color: var(--on-ink);
  background: var(--text);
  overflow-x: auto;
  line-height: 1.75;
  tab-size: 2;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) pre::before {
  content: "连接便签 / 配置";
  position: absolute;
  top: 0.65rem;
  left: 1.25rem;
  color: var(--on-ink);
  font-family: var(--font-mono);
  font-size: var(--size-small);
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) pre code {
  padding: 0;
  border-radius: 0;
  color: inherit;
  background: var(--clear);
  white-space: pre;
  overflow-wrap: normal;
}

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

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) table {
  width: 100%;
  margin-block: 1.5rem;
  border-collapse: collapse;
  color: var(--text);
  background: var(--panel);
  font-size: calc(var(--size-body) * 0.95);
  line-height: 1.7;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) .table-scroll table {
  margin: 0;
  min-width: 38rem;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) :is(th, td) {
  padding: 0.8rem 1rem;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) thead th {
  color: var(--on-ink);
  background: var(--text);
}

:is(.blog-prose, .article-body, article.prose, [data-blog-body]) tbody th {
  color: var(--text);
}

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

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

.callout {
  position: relative;
  margin: 1.5rem 0;
  padding: 1.2rem 1.25rem 1.2rem 3.25rem;
  border: 1px solid var(--border);
  border-left: 4px solid var(--accent);
  border-radius: var(--r-sm);
  color: var(--text);
  background: var(--panel);
}

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

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

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

.callout--success,
.callout.success {
  border-left-color: var(--success);
  background: color-mix(in srgb, var(--success) 10%, var(--panel));
}

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

.callout p:first-child {
  margin-top: 0;
}

.callout p: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: 1.3rem;
  border: 1px solid var(--badge-line);
  border-top: 3px solid var(--accent);
  border-radius: var(--r-sm);
  color: var(--text);
  background: var(--badge-bg);
  box-shadow: inset 0 1px 0 var(--hi);
}

.stat-card:nth-child(even) {
  border-color: var(--border);
  border-top-color: var(--sky-ink);
  background: var(--sky-soft);
}

.stat-num {
  display: block;
  color: var(--text);
  font-family: var(--font-mono);
  font-size: calc(var(--size-body) * 1.7);
  font-weight: var(--weight-display);
  line-height: 1.4;
  overflow-wrap: anywhere;
}

.stat-label {
  display: block;
  margin-top: 0.45rem;
  color: var(--text);
  font-size: var(--size-small);
  line-height: 1.75;
}

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

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

.verdict {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 4px solid var(--accent);
  border-radius: var(--r-xs);
  color: var(--text);
  background: var(--badge-bg);
  line-height: 1.85;
}

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

.promo-block {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1.25rem;
  min-width: 0;
  margin-block: 1rem;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--r-md);
  color: var(--on-ink);
  background: linear-gradient(135deg, var(--text), var(--ink-hover));
  box-shadow: inset 0 1px 0 var(--ink-hi), 0 12px 32px var(--glow-sky);
}

.promo-block::before {
  content: "";
  position: absolute;
  top: 0.8rem;
  right: 0.9rem;
  width: 2.5rem;
  height: 0.3rem;
  border-radius: var(--r-pill);
  background: var(--accent);
}

.promo-copy {
  flex: 1 1 18rem;
  min-width: 0;
}

.promo-copy > strong {
  color: var(--on-ink);
  font-family: var(--font-display);
  font-size: calc(var(--size-body) * 1.3);
  font-weight: var(--weight-display);
}

.promo-copy p {
  margin: 0.6rem 0 0;
  color: var(--on-ink);
  font-size: var(--size-body);
  line-height: 1.8;
}

.promo-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
}

.promo-block .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--panel);
  border-radius: var(--r-pill);
  color: var(--text);
  background: var(--panel);
  font-size: var(--size-body);
  text-decoration: none;
}

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

.promo-block .btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 48px;
  padding: 0.75rem 1.2rem;
  border: 1px solid var(--on-ink);
  border-radius: var(--r-pill);
  color: var(--on-ink);
  background: var(--clear);
  font-size: var(--size-body);
  text-decoration: none;
}

.promo-block .btn-secondary:hover {
  color: var(--text);
  background: var(--panel);
}

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

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

.post-nav-card {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--r-sm);
  color: var(--text);
  background: var(--panel);
  text-decoration: none;
  transition: border-color 180ms ease, transform 180ms ease, box-shadow 180ms ease;
}

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

.post-nav-card:hover,
.post-nav-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--accent);
  box-shadow: inset 0 3px 0 var(--accent);
}

.post-nav-label {
  color: var(--accent-dark);
  font-size: var(--size-small);
}

.post-nav-card strong {
  font-size: var(--size-body);
  line-height: 1.75;
  overflow-wrap: anywhere;
}

#related-posts {
  padding-block: 1.25rem 2.5rem;
}

#related-posts > h2 {
  display: block;
  margin: 0 0 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: calc(var(--size-body) * 1.5);
  font-weight: var(--weight-display);
  letter-spacing: -0.01em;
  line-height: 1.6;
  text-wrap: pretty;
}

#related-posts > h2::before {
  content: "";
  display: inline-block;
  width: 1.4rem;
  height: 0.2rem;
  margin-right: 0.6rem;
  border-radius: var(--r-pill);
  background: var(--accent);
  vertical-align: middle;
}

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

.related-card {
  padding: 1.2rem;
}

.related-card h3 {
  font-size: calc(var(--size-body) * 1.1);
}

.related-card p {
  font-size: var(--size-small);
}

/* 仅提供文章落地页组件样式，列表页不挂载悬浮入口。 */
.float-cta {
  position: fixed;
  right: max(1.25rem, env(safe-area-inset-right));
  bottom: max(1.25rem, env(safe-area-inset-bottom));
  z-index: 40;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 0.55rem;
  max-width: calc(100% - 2.5rem);
  min-height: 48px;
  padding: 0.8rem 1.2rem;
  border: 1px solid var(--ink-hover);
  border-radius: var(--r-pill);
  color: var(--on-ink);
  background: var(--text);
  box-shadow: 0 8px 24px var(--glow-sky-deep);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.4;
  text-decoration: none;
}

.float-cta svg {
  flex: 0 0 auto;
  width: 1.1rem;
  height: 1.1rem;
  fill: none;
  stroke: currentColor;
}

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

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

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

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

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

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

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

  .article-card {
    padding: 1.25rem;
  }

  .article-hero h1 {
    font-size: clamp(1.7rem, 6.8vw, 2.4rem);
  }

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

  .promo-block {
    padding: 1.5rem;
  }

  .promo-actions {
    width: 100%;
  }

  .promo-actions > a {
    flex: 1 1 auto;
  }

  .float-cta {
    right: max(1rem, env(safe-area-inset-right));
    bottom: max(0.75rem, env(safe-area-inset-bottom));
    max-width: calc(100% - 2rem);
    padding: 0.7rem 1rem;
    font-size: var(--size-small);
  }

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

  :is(.blog-prose, .article-body, article.prose, [data-blog-body]) :is(th, td) {
    min-width: 8rem;
  }
}

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

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