.blog-shell {
  width: min(var(--page-width), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
}

.blog-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(4rem, 9vw, 7rem);
  border-bottom: 1px solid var(--color-border-soft);
  background-color: var(--color-bg);
}

.blog-hero::before,
.blog-hero::after {
  position: absolute;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent-glow);
  content: "";
  pointer-events: none;
}

.blog-hero::before {
  width: clamp(10rem, 24vw, 20rem);
  aspect-ratio: 1;
  top: 12%;
  right: 9%;
  opacity: 0.32;
}

.blog-hero::after {
  width: clamp(4rem, 10vw, 8rem);
  aspect-ratio: 1;
  right: 27%;
  bottom: 9%;
  opacity: 0.18;
}

.blog-hero-copy {
  position: relative;
  z-index: 1;
  max-width: var(--reading-width);
}

.blog-kicker,
.section-eyebrow {
  display: inline-block;
  margin-bottom: 0.8rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-hero h1 {
  max-width: 14ch;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 6vw, 3rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-hero p {
  max-width: 42rem;
  margin: 1.4rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-index-section {
  padding-block: var(--section-space);
  background-color: var(--color-panel-light);
}

.blog-list-heading {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 2rem;
  margin-bottom: 1.25rem;
}

.blog-list-heading h2 {
  margin: 0;
  color: var(--color-text-dark);
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  line-height: 1.25;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 0.55rem;
}

.blog-filter {
  min-height: 2.5rem;
  padding: 0.62rem 1rem;
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-pill);
  background-color: var(--color-panel-light);
  color: var(--color-text-dark-muted);
  font-family: var(--font-body);
  font-size: 0.9rem;
  font-weight: 700;
  cursor: pointer;
  transition:
    border-color 160ms ease,
    background-color 160ms ease,
    color 160ms ease,
    transform 160ms ease;
}

.blog-filter:hover {
  border-color: var(--color-accent);
  color: var(--color-accent-dark);
  transform: translateY(-1px);
}

.blog-filter:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 3px;
}

.blog-filter.is-active {
  border-color: var(--color-accent-dark);
  background-color: var(--color-accent-dark);
  color: var(--color-text);
}

.blog-result-status {
  min-height: 1.5rem;
  margin: 0 0 1rem;
  color: var(--color-text-dark-muted);
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

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

.article-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  padding: clamp(1.3rem, 3vw, 1.8rem);
  border: 1px solid var(--color-border-soft);
  border-radius: var(--radius-large);
  background-color: var(--color-panel-light);
  box-shadow: 0 1rem 2.6rem var(--color-shadow-soft);
  transition:
    border-color 180ms ease,
    transform 180ms ease,
    box-shadow 180ms ease;
}

.article-card:hover {
  border-color: var(--color-accent);
  box-shadow: 0 1.2rem 3rem var(--color-shadow-soft);
  transform: translateY(-3px);
}

.article-meta,
.related-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.8rem;
  margin-bottom: 1rem;
}

.article-meta time,
.related-meta time {
  flex: 0 0 auto;
  color: var(--color-text-dark-muted);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.article-card .tag,
.related-card .tag {
  display: inline-block;
  max-width: 12rem;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.article-card h3 {
  margin: 0;
  color: var(--color-text-dark);
  font-family: var(--font-display);
  font-size: 1.25rem;
  line-height: 1.42;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-card p {
  margin: 0.9rem 0 1.3rem;
  color: var(--color-text-dark-muted);
  font-size: 1rem;
  line-height: 1.75;
}

.article-link {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  gap: 0.4rem;
  margin-top: auto;
  color: var(--color-accent-dark);
  font-weight: 750;
  text-decoration: none;
}

.article-link::after {
  content: "→";
  transition: transform 160ms ease;
}

.article-link:hover::after {
  transform: translateX(0.25rem);
}

.article-link:focus-visible,
.related-card a:focus-visible,
.post-nav-card:focus-visible {
  outline: 2px solid var(--color-accent);
  outline-offset: 4px;
  border-radius: var(--radius-small);
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 2rem;
  border: 1px dashed var(--color-border);
  border-radius: var(--radius-medium);
  color: var(--color-text-dark-muted);
  text-align: center;
}

.breadcrumbs,
.blog-breadcrumbs {
  width: min(var(--page-width), calc(100% - (var(--gutter) * 2)));
  margin: 1.5rem auto 0;
  padding-top: 0.25rem;
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* 文章页排版对齐参考站单列式(2026-08-08 用户拍板,同 23.32 口径):
   面包屑与标题/正文同一条 48rem 列。.breadcrumbs 是全站共用类(教程/定价页要宽版心),
   只收文章页(main.blog-article 下)这一处。 */
.blog-article .breadcrumbs,
.blog-article .blog-breadcrumbs {
  width: min(48rem, calc(100% - (var(--gutter) * 2)));
}

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

.breadcrumbs li:not(:last-child)::after,
.blog-breadcrumbs li:not(:last-child)::after {
  margin-left: 0.5rem;
  color: var(--color-border);
  content: "/";
}

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

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

.blog-article {
  padding-bottom: var(--section-space);
}

.article-header {
  width: min(var(--reading-width), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
  padding-block: clamp(2.5rem, 6vw, 4.5rem);
}

.article-header .article-meta {
  justify-content: flex-start;
  color: var(--color-text-muted);
}

.article-header .article-meta time {
  color: var(--color-text-muted);
}

.article-header h1,
.article-hero h1 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(2rem, 5vw, 2.6rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  text-wrap: pretty;
}

.article-lead {
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

/* 文章正文直接铺在深色页面底上(无白卡容器),必须用深底浅字系变量;
   --color-text-dark 只配 --color-panel-light 白卡用(博客列表卡片那套) */
.article-body,
.post-content,
.blog-article .prose {
  width: min(48rem, calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
  color: var(--color-text-muted);
  font-size: 1rem;
  line-height: 1.85;
}

.article-body h2,
.post-content h2,
.blog-article .prose h2 {
  margin: 3rem 0 1rem;
  scroll-margin-top: var(--toc-offset);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  line-height: 1.35;
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.article-body h3,
.post-content h3,
.blog-article .prose h3 {
  margin: 2.2rem 0 0.8rem;
  scroll-margin-top: var(--toc-offset);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2vw, 1.3rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

.article-body p,
.post-content p,
.blog-article .prose p {
  margin: 0 0 1.3rem;
}

.article-body ul,
.article-body ol,
.post-content ul,
.post-content ol,
.blog-article .prose ul,
.blog-article .prose ol {
  margin: 0 0 1.4rem;
  padding-left: 1.5rem;
}

.article-body li,
.post-content li,
.blog-article .prose li {
  margin-bottom: 0.55rem;
}

.article-body a,
.post-content a,
.blog-article .prose a {
  color: var(--color-accent);
  text-underline-offset: 0.18em;
}

/* 上面的正文链接色(特异性 0,2,1 且 blog.css 晚于 components.css 加载)会把嵌在
   正文容器里的组件链接一并染色:目录条激活项、浮动 CTA、底部按钮全变成蓝底蓝字。
   这里用更高特异性把组件各自的颜色夺回来,正文链接规则只管普通文本链接。 */
.article-body .toc-tabs a,
.post-content .toc-tabs a,
.blog-article .prose .toc-tabs a {
  color: var(--color-text-muted);
}

.article-body .toc-tabs a.is-current,
.article-body .toc-tabs a[aria-current="location"],
.post-content .toc-tabs a.is-current,
.post-content .toc-tabs a[aria-current="location"] {
  color: var(--color-text-dark);
}

.article-body a.float-cta,
.post-content a.float-cta,
.article-body a.button-secondary,
.post-content a.button-secondary {
  color: var(--color-text);
}

.article-body a.button-primary,
.post-content a.button-primary {
  color: var(--color-text-dark);
}

.article-body blockquote,
.post-content blockquote,
.blog-article .prose blockquote {
  margin: 1.8rem 0;
  padding: 1rem 1.25rem;
  border-left: 3px solid var(--color-accent);
  border-radius: 0 var(--radius-medium) var(--radius-medium) 0;
  background-color: var(--color-accent-soft);
  color: var(--color-text-muted);
}

.article-body pre,
.post-content pre,
.blog-article .prose pre {
  max-width: 100%;
  overflow-x: auto;
  margin: 1.8rem 0;
  padding: 1.2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background-color: var(--color-bg-deep);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.88rem;
  line-height: 1.7;
}

.article-body :not(pre) > code,
.post-content :not(pre) > code,
.blog-article .prose :not(pre) > code {
  padding: 0.12rem 0.35rem;
  border-radius: var(--radius-small);
  background-color: var(--color-accent-soft);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.promo-block {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 2rem;
  width: min(48rem, calc(100% - (var(--gutter) * 2)));
  margin: 4rem auto 0;
  padding: clamp(1.5rem, 4vw, 2.25rem);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-large);
  background-color: var(--color-panel);
  box-shadow: 0 1.4rem 3.5rem var(--color-shadow);
}

.promo-brand {
  margin-bottom: 0.5rem;
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 800;
  letter-spacing: 0.08em;
}

.promo-block h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 3vw, 1.6rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

.promo-block p {
  margin: 0.7rem 0 0;
  color: var(--color-text-muted);
  line-height: 1.75;
}

.promo-action {
  flex: 0 0 auto;
}

#related-posts {
  width: min(var(--page-width), calc(100% - (var(--gutter) * 2)));
  margin: 4.5rem auto 0;
}

#related-posts > h2 {
  margin: 0 0 1.25rem;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 3vw, 1.6rem);
  letter-spacing: -0.015em;
  text-wrap: pretty;
}

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

.related-card {
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background-color: var(--color-panel);
  box-shadow: 0 1rem 2.5rem var(--color-shadow-soft);
}

.related-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.12rem;
  line-height: 1.5;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

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

.related-card p {
  margin: 0.8rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.94rem;
  line-height: 1.7;
}

.related-meta time {
  color: var(--color-text-muted);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  width: min(var(--page-width), calc(100% - (var(--gutter) * 2)));
  margin: 1.25rem auto 0;
}

.post-nav-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.55rem;
  padding: 1.25rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-medium);
  background-color: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color 160ms ease,
    transform 160ms ease;
}

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

.post-nav-label {
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.8rem;
}

.post-nav-card strong {
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.55;
  letter-spacing: -0.01em;
  text-wrap: pretty;
}

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

.article-shell,
.article-layout {
  position: relative;
  min-height: calc(100vh - var(--header-height));
  overflow-x: clip;
}

.article-hero {
  width: min(var(--reading-width), calc(100% - (var(--gutter) * 2)));
  margin-inline: auto;
  /* 下侧收紧:参考站标题到正文是紧凑文档流,hero 下垫 + 首个 .section 的
     section-space 上垫 + h2 的 3rem margin 叠出近 180px 空洞(2026-08-08 用户报障) */
  padding-block: clamp(2.5rem, 6vw, 4.5rem) 1.25rem;
}

/* meta 行(日期/标签/阅读时长)左对齐紧凑:.article-meta 的 space-between 是
   博客列表卡(窄卡)的口径,搬进 48rem 的文章 hero 会把三个元素撑到天各一方
   (2026-08-08 用户圈图报障)。参考站是挨着的一行小字。 */
.article-hero .article-meta {
  justify-content: flex-start;
  gap: 1.1rem;
}

/* 文章正文章节套的是营销页通用 .section(上下各 72–128px 垫),相邻两节之间
   叠出近一屏空洞(2026-08-08 用户截图骂"垃圾排版")。文章是紧凑文档流,
   节间呼吸交给 h2 自己的 3rem margin,营销级大垫全部收掉。 */
.article-body .section {
  padding-block: 0.75rem;
}

.article-body > .section:first-child {
  padding-top: 0.5rem;
}

.article-summary {
  margin: 1.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 1.05rem;
  line-height: 1.8;
}

.blog-page {
  min-height: 100vh;
}

.float-cta {
  position: fixed;
  z-index: 30;
  right: max(1rem, env(safe-area-inset-right));
  bottom: max(1rem, env(safe-area-inset-bottom));
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 3rem;
  padding: 0.75rem 1.15rem;
  border-radius: var(--radius-pill);
  background-color: var(--color-accent);
  color: var(--color-text);
  box-shadow: 0 0.8rem 2rem var(--color-shadow);
  font-weight: 750;
  text-decoration: none;
}

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

.float-cta:focus-visible {
  outline: 2px solid var(--color-text);
  outline-offset: 3px;
}

@media (max-width: 54rem) {
  .blog-list-heading {
    align-items: flex-start;
    flex-direction: column;
  }

  .blog-filters {
    justify-content: flex-start;
  }

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

@media (max-width: 42rem) {
  .blog-card-list {
    grid-template-columns: 1fr;
  }

  .blog-filters {
    width: 100%;
    flex-wrap: nowrap;
    justify-content: flex-start;
    overflow-x: auto;
    padding-bottom: 0.4rem;
    scrollbar-width: thin;
  }

  .blog-filter {
    flex: 0 0 auto;
  }

  .promo-block {
    align-items: flex-start;
    flex-direction: column;
  }

  .promo-action,
  .promo-action .button {
    width: 100%;
  }

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

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

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

  .blog-filter:hover,
  .article-card:hover,
  .post-nav-card:hover {
    transform: none;
  }
}

/* ── 文章富文本组件(2026-08-08 参考 vpn07 文章观感加入站群):
   正文的"视觉锚点"三件套——数据卡网格(.stat-grid)/ 勾叉清单(.check-list)/ 结论块(.verdict)。
   写手规则:卡里的数字只能来自事实表,禁止编"实测 23ms/0 次缓冲"这类页面无法验证的假数据;
   勾叉符号(✅/❌)直接写在 li 文本开头;颜色全走本站设计令牌,禁止写死色值。 */
.stat-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: 0.8rem;
  margin: 1.4rem 0;
}

.stat-card {
  padding: 0.9rem 0.6rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius, 10px);
  background: var(--color-panel);
  text-align: center;
}

.stat-num {
  margin: 0;
  color: var(--color-accent);
  font-size: 1.55rem;
  font-weight: 700;
  line-height: 1.2;
}

.stat-label {
  margin: 0.25rem 0 0;
  color: var(--color-text-muted);
  font-size: 0.78rem;
}

.check-list {
  margin: 1.2rem 0;
  padding-left: 0;
  list-style: none;
}

.check-list li {
  margin: 0.55rem 0;
  line-height: 1.75;
}

.verdict {
  margin: 1.6rem 0;
  padding: 1rem 1.2rem;
  border-left: 3px solid var(--color-accent);
  border-radius: var(--radius, 10px);
  background: var(--color-panel);
  color: var(--color-text);
  line-height: 1.85;
}

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