.blog-list-hero {
  padding-block: clamp(3rem, 7vw, 5.5rem);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-bg);
}

.blog-list-hero__inner {
  max-width: 54rem;
  text-align: center;
}

.blog-list-hero .eyebrow {
  justify-content: center;
  margin-bottom: 1.25rem;
}

.blog-list-hero h1 {
  max-width: 100%;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 1.25rem + 2.3vw, 3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.blog-list-hero p {
  max-width: 46rem;
  margin: 1.25rem auto 0;
  color: var(--color-muted);
  font-size: clamp(1rem, 0.94rem + 0.25vw, 1.125rem);
  line-height: 1.8;
}

.blog-catalog {
  padding-block: clamp(3rem, 6vw, 5rem);
  background: var(--color-panel);
}

.blog-catalog__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1.5rem;
  margin-bottom: 2rem;
}

.blog-catalog__kicker {
  margin: 0 0 0.5rem;
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 700;
}

.blog-catalog__head h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.25rem + 0.8vw, 2rem);
  line-height: 1.3;
}

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

.blog-filter__button {
  min-height: 2.75rem;
  padding: 0.625rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-bg);
  color: var(--color-muted);
  font: inherit;
  font-weight: 650;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease;
}

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

.blog-filter__button.is-active {
  border-color: var(--color-accent);
  background: var(--color-panel-strong);
  color: var(--color-accent-dark);
}

.blog-filter__button:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 2px;
}

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

.post-card {
  display: grid;
  grid-template-rows: auto auto 1fr auto;
  min-width: 0;
  padding: clamp(1.25rem, 2.2vw, 1.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-frame);
}

.post-card__meta,
.related-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.post-card h3 {
  max-width: 100%;
  margin: 1rem 0 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1rem + 0.35vw, 1.375rem);
  line-height: 1.45;
}

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

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

.post-card p {
  margin: 0;
  color: var(--color-muted);
  line-height: 1.75;
}

.post-card__link {
  width: fit-content;
  margin-top: 1.25rem;
  color: var(--color-accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.post-card__link:hover {
  color: var(--color-accent);
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-empty-state {
  margin: 0;
  padding: 3rem 1rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-muted);
  text-align: center;
}

/* 博客文章页紧凑首屏节奏 */
.article-page {
  background: var(--color-bg);
}

.article-page .article-head,
.article-page .article-header,
.article-page .article-hero {
  padding-block: 0 2.5rem;
}

.article-page .section,
.article-body .section,
.prose .section {
  padding-block: 1.5rem;
}

.article-page .section + .section,
.article-body .section + .section,
.prose .section + .section {
  margin-top: 0;
}

.article-shell,
.article-layout {
  max-width: 51.25rem;
  margin-inline: auto;
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  overflow: hidden;
  color: var(--color-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
  white-space: nowrap;
}

.blog-breadcrumb a,
nav.breadcrumb a,
nav.breadcrumbs a {
  flex: 0 0 auto;
  color: var(--color-muted);
  text-decoration: none;
  opacity: 0.6;
}

.blog-breadcrumb a:hover,
nav.breadcrumb a:hover,
nav.breadcrumbs a:hover {
  color: var(--color-accent-dark);
  opacity: 1;
}

.blog-breadcrumb__separator,
.breadcrumb__separator,
.breadcrumbs__separator {
  flex: 0 0 auto;
  color: var(--color-muted);
  opacity: 0.35;
}

.blog-breadcrumb [aria-current="page"],
nav.breadcrumb [aria-current="page"],
nav.breadcrumbs [aria-current="page"] {
  flex: 0 1 auto;
  min-width: 0;
  max-width: 30ch;
  overflow: hidden;
  color: var(--color-muted);
  text-overflow: ellipsis;
}

.article-hero {
  padding-top: 0.75rem;
}

.article-hero__meta,
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.75rem;
  margin-bottom: 0.875rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  line-height: 1.5;
}

.article-hero h1,
.article-header h1,
.article-head h1 {
  max-width: 100%;
  margin-block: 0.875rem 0.75rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.025em;
}

.article-hero__lead,
.article-lead {
  max-width: 100%;
  margin: 0.75rem 0 0;
  color: var(--color-muted);
  font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  line-height: 1.7;
}

.prose {
  color: var(--color-text);
  font-size: 1rem;
  line-height: 1.85;
  overflow-wrap: break-word;
}

.prose > :first-child {
  margin-top: 0;
}

.prose h2 {
  max-width: 100%;
  margin: 2.75rem 0 1rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  line-height: 1.4;
}

.prose h2:first-of-type {
  margin-top: 0;
}

.prose h3 {
  max-width: 100%;
  margin: 2rem 0 0.75rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 0.98rem + 0.3vw, 1.25rem);
  line-height: 1.45;
}

.prose p {
  margin: 0 0 1.25rem;
}

.prose ul,
.prose ol {
  margin: 0 0 1.5rem;
  padding-inline-start: 1.5rem;
}

.prose li + li {
  margin-top: 0.5rem;
}

.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--color-accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 0.2em;
}

.prose a:not([class*="btn"]):not([class*="button"]):hover {
  color: var(--color-accent);
}

.prose blockquote {
  margin: 1.5rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-xs) var(--radius-xs) 0;
  background: var(--color-panel);
  color: var(--color-muted);
}

.prose blockquote p:last-child {
  margin-bottom: 0;
}

.prose :not(pre) > code {
  padding: 0.15em 0.4em;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-xs);
  background: var(--color-panel);
  color: var(--color-accent-dark);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.prose pre {
  max-width: 100%;
  margin: 1.5rem 0;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.875rem;
  line-height: 1.7;
}

.prose pre code {
  color: inherit;
  font: inherit;
}

.prose .table-wrap {
  max-width: 100%;
  margin: 1.5rem 0;
  overflow-x: auto;
}

.prose .data-table {
  display: table;
  min-width: 36rem;
  width: 100%;
}

.article-download-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding: clamp(1.25rem, 2.5vw, 1.75rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-panel);
}

.article-download-card__copy {
  min-width: 0;
}

.article-download-card__copy strong {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.125rem;
}

.article-download-card__copy p {
  margin: 0.5rem 0 0;
  color: var(--color-muted);
  line-height: 1.65;
}

.article-download-card__actions {
  display: flex;
  flex: 0 0 auto;
  flex-wrap: wrap;
  gap: 0.75rem;
}

#related-posts {
  max-width: 51.25rem;
  margin: 3rem auto 0;
  padding-top: 2rem;
  border-top: 1px solid var(--color-border);
}

.related-posts__title {
  max-width: 100%;
  margin: 0 0 1.25rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.4;
}

.related-posts__grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(18.75rem, 1fr));
  gap: 1rem;
}

.related-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  box-shadow: var(--shadow-frame);
}

.related-card h3 {
  max-width: 100%;
  margin: 0.875rem 0 0.625rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  line-height: 1.5;
}

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

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

.related-card p {
  margin: 0;
  color: var(--color-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  max-width: 51.25rem;
  margin: 1.5rem auto 3rem;
}

.post-nav__link {
  display: block;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: var(--color-bg);
  color: var(--color-text);
  text-decoration: none;
}

.post-nav__link:hover {
  border-color: var(--color-accent);
}

.post-nav__link--next {
  grid-column: 2;
  text-align: right;
}

.post-nav__label {
  display: block;
  margin-bottom: 0.5rem;
  color: var(--color-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.post-nav__link strong {
  display: block;
  color: var(--color-text);
  font-size: 0.9375rem;
  line-height: 1.55;
}

@media (max-width: 51.25rem) {
  .related-posts__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 45rem) {
  .blog-catalog__head {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .article-download-card {
    align-items: flex-start;
    flex-direction: column;
  }

  .article-download-card__actions {
    width: 100%;
  }

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

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

  .post-nav__link--next {
    grid-column: 1;
    text-align: left;
  }
}

@media (max-width: 32rem) {
  .blog-list-hero {
    padding-block: 2.75rem;
  }

  .blog-list-hero h1 {
    font-size: 1.875rem;
  }

  .blog-filter {
    width: 100%;
  }

  .blog-filter__button {
    flex: 1 1 auto;
  }

  .article-hero h1,
  .article-header h1,
  .article-head h1 {
    font-size: 1.5rem;
  }

  .article-download-card__actions .button {
    width: 100%;
  }
}