:root {
  --blog-card-bg: var(--bg-panel);
  --blog-card-hover: var(--bg-panel-2);
  --blog-line: var(--border-a60);
  --blog-muted: var(--text-muted);
  --blog-quiet: var(--border);
  --blog-link: var(--accent);
  --blog-ring: var(--accent-a40);
  --blog-glow: var(--violet-a18);
  --blog-space-xs: 0.5rem;
  --blog-space-sm: 0.875rem;
  --blog-space-md: 1.25rem;
  --blog-space-lg: 2rem;
  --blog-space-xl: 3rem;
}

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

.blog-index {
  padding-bottom: var(--blog-space-xl);
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  align-items: center;
  gap: var(--blog-space-xs);
  overflow: hidden;
  white-space: nowrap;
  font-size: 13px;
  color: var(--blog-muted);
  margin-top: var(--blog-space-lg);
  margin-bottom: var(--blog-space-md);
}

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

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

.blog-breadcrumb .crumb-separator,
nav.breadcrumb .crumb-separator,
nav.breadcrumbs .crumb-separator {
  flex: 0 0 auto;
  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;
  text-overflow: ellipsis;
}

.page-crumbs {
  color: var(--blog-muted);
  font-size: 13px;
}

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

.page-crumbs a:hover {
  color: var(--blog-link);
}

.article-page .section {
  padding-block: 0;
}

.blog-intro {
  max-width: 62rem;
  padding-block: var(--blog-space-xl);
}

.blog-intro h1 {
  max-width: 100%;
  margin-block: var(--blog-space-md);
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 1.25rem + 2vw, 3rem);
  line-height: 1.18;
  color: var(--text);
}

.blog-intro h1 em,
.blog-library .sec-head em {
  color: var(--pink);
  font-style: normal;
}

.blog-intro > p {
  max-width: 62ch;
  color: var(--blog-muted);
  line-height: 1.75;
}

.blog-library {
  padding-block: var(--blog-space-lg) var(--blog-space-xl);
}

.blog-library .sec-head {
  margin-bottom: var(--blog-space-lg);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--blog-space-xs);
  margin-bottom: var(--blog-space-md);
}

.blog-filters button {
  min-height: 2.75rem;
  padding: var(--blog-space-xs) var(--blog-space-md);
  border: 1px solid var(--blog-line);
  border-radius: var(--radius-pill);
  background: var(--blog-card-bg);
  color: var(--text);
  font: 600 0.875rem var(--font-body);
  cursor: pointer;
}

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

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

.blog-filters button:focus-visible,
.article-card a:focus-visible,
.related-card a:focus-visible,
.post-nav-link:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 3px;
}

.blog-result-count {
  margin-bottom: var(--blog-space-md);
  font: 0.8125rem var(--font-mono);
  color: var(--blog-muted);
}

.blog-entries {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-space-md);
}

.article-card,
.related-card,
.post-nav-link,
.blog-scope {
  border: 1px solid transparent;
  border-radius: var(--radius);
  background:
    linear-gradient(var(--blog-card-bg), var(--blog-card-bg)) padding-box,
    var(--grad-edge) border-box;
  box-shadow: var(--shadow-soft);
}

.article-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  min-width: 0;
  padding: var(--blog-space-lg);
  transition: transform 180ms ease, box-shadow 180ms ease;
}

.article-card:hover {
  transform: translateY(-3px);
  box-shadow: var(--shadow-comic-lift);
}

.article-card-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--blog-space-sm);
  font: 0.8125rem var(--font-mono);
  color: var(--blog-muted);
}

.article-card-tag,
.related-tag {
  color: var(--accent);
}

.article-card h3 {
  margin-block: var(--blog-space-md) var(--blog-space-sm);
  font-size: clamp(1.125rem, 1rem + 0.5vw, 1.375rem);
  line-height: 1.45;
  overflow-wrap: anywhere;
}

.article-card > p {
  margin-bottom: var(--blog-space-lg);
  color: var(--blog-muted);
  line-height: 1.7;
}

.article-card-link {
  margin-top: auto;
  color: var(--blog-link);
  font-weight: 700;
  text-decoration: none;
}

.article-card-link:hover,
.related-card a:hover,
.post-nav-link:hover strong,
.blog-scope a:hover {
  color: var(--text);
}

.blog-loading {
  color: var(--blog-muted);
}

.blog-scope {
  padding: var(--blog-space-lg);
}

.blog-scope p {
  max-width: 72ch;
  margin-block: var(--blog-space-sm);
  color: var(--blog-muted);
  line-height: 1.75;
}

.blog-scope a {
  color: var(--blog-link);
  text-decoration: none;
  font-weight: 700;
}

.article-head {
  background: radial-gradient(ellipse at top right, var(--blog-glow), transparent 65%);
  color: var(--text);
}

.article-meta {
  color: var(--blog-muted);
  font: 0.8125rem var(--font-mono);
}

.article-head h1 {
  max-width: 100%;
  margin-block: 0.875rem 0.75rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  line-height: 1.32;
  color: var(--text);
  overflow-wrap: break-word;
}

.intro-lead {
  color: var(--blog-muted);
  font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  line-height: 1.7;
}

.read-body {
  color: var(--text);
  font-family: var(--font-body);
  line-height: 1.8;
}

.read-body > section + section,
.read-body > .section + .section {
  margin-top: var(--blog-space-lg);
}

.read-body h2,
.prose h2 {
  margin-block: var(--blog-space-lg) var(--blog-space-sm);
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  line-height: 1.4;
}

.read-body > h2:first-child,
.read-body > section:first-child > h2:first-child,
.read-body > .section:first-child > h2:first-child {
  margin-top: 0;
}

.read-body h3,
.prose h3 {
  margin-block: var(--blog-space-md) var(--blog-space-xs);
  font-size: clamp(1.125rem, 1rem + 0.4vw, 1.25rem);
  line-height: 1.45;
}

.read-body p,
.prose p {
  margin-block: 0 var(--blog-space-md);
}

.read-body li,
.prose li {
  margin-block: var(--blog-space-xs);
}

.read-body a:not([class*="btn"]):not([class*="button"]),
.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--blog-link);
  text-underline-offset: 0.2em;
}

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

.read-body :not(pre) > code,
.prose :not(pre) > code {
  color: var(--accent);
  overflow-wrap: anywhere;
}

.read-body pre,
.prose pre {
  max-width: 100%;
  overflow-x: auto;
  border: 1px solid var(--blog-line);
  border-radius: var(--radius);
  padding: var(--blog-space-md);
  background: var(--bg-panel);
  color: var(--text);
}

.read-body .table-scroll,
.prose .table-scroll {
  max-width: 100%;
  overflow-x: auto;
}

.read-body table,
.prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
}

.read-body th,
.read-body td,
.prose th,
.prose td {
  min-width: 9ch;
  white-space: normal;
  overflow-wrap: normal;
  word-break: normal;
}

.end-store-card {
  border: 1px solid transparent;
  border-radius: var(--radius);
  padding: var(--blog-space-lg);
  background:
    linear-gradient(var(--bg-panel-2), var(--bg-panel-2)) padding-box,
    var(--grad-edge) border-box;
}

.end-store-card p {
  color: var(--text);
}

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

#related-posts,
#post-nav {
  width: min(calc(100% - 2 * var(--gutter)), 820px);
  margin-inline: auto;
}

#related-posts {
  margin-top: var(--blog-space-xl);
}

#related-posts h2 {
  margin-bottom: var(--blog-space-md);
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
}

.related-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(300px, 1fr));
  gap: var(--blog-space-md);
}

.related-card {
  min-width: 0;
  padding: var(--blog-space-md);
}

.related-tag {
  font: 0.8125rem var(--font-mono);
}

.related-card h3 {
  margin-block: var(--blog-space-sm);
  font-size: 1.0625rem;
  line-height: 1.5;
}

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

.related-card p {
  margin: 0;
  color: var(--blog-muted);
  line-height: 1.7;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-space-md);
  margin-top: var(--blog-space-lg);
  margin-bottom: var(--blog-space-xl);
}

.post-nav-link {
  display: block;
  min-width: 0;
  padding: var(--blog-space-md);
  text-decoration: none;
}

.post-nav-label {
  display: block;
  margin-bottom: var(--blog-space-xs);
  color: var(--accent);
  font: 0.8125rem var(--font-mono);
}

.post-nav-link strong {
  color: var(--text);
  font-weight: 600;
  line-height: 1.5;
  overflow-wrap: anywhere;
}

@media (max-width: 700px) {
  .blog-intro {
    padding-block: var(--blog-space-lg);
  }

  .blog-intro h1 {
    font-size: clamp(1.625rem, 5vw, 1.875rem);
  }

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

  .article-card,
  .blog-scope {
    padding: var(--blog-space-md);
  }

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

@media (prefers-reduced-motion: reduce) {
  .article-card {
    transition: none;
  }

  .article-card:hover {
    transform: none;
  }
}

/* ═══ blog-components v1(2026-08-18 面板统一追加,勿手改;色调全部 color-mix 吃站点令牌,
   明暗主题自适应)——文章富文本组件词汇表,写作端只填内容不写样式 ═══ */
.blk-summary, .blk-stats, .blk-steps, .blk-compare, .blk-faq, .blk-errors,
.blk-config, .blk-scheme, .blk-insight, .blk-flow { margin: 1.25rem 0; }

/* 色调系统:a=品牌主色 b=品牌强调色 c=青 d=琥珀 e=玫红(低饱和淡染,任何主题都压得住) */
[data-tone="a"], .blk-tone-a { --blk-tone: var(--color-primary, #4f7cff); }
[data-tone="b"], .blk-tone-b { --blk-tone: var(--color-accent, var(--color-primary, #7c5cff)); }
[data-tone="c"], .blk-tone-c { --blk-tone: #0e9f8a; }
[data-tone="d"], .blk-tone-d { --blk-tone: #d97706; }
[data-tone="e"], .blk-tone-e { --blk-tone: #e11d48; }

/* 本文速览卡 */
.blk-summary {
  border: 1px solid color-mix(in srgb, var(--color-primary, #4f7cff) 28%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 7%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1.125rem;
  font-size: 0.9375rem;
  line-height: 1.7;
}
.blk-summary strong { display: block; font-size: 0.8125rem; letter-spacing: 0.02em; opacity: 0.75; margin-bottom: 0.25rem; }
.blk-summary p { margin: 0; font-size: inherit !important; }

/* 数据瓦片行 */
.blk-stats { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0.75rem; }
.blk-stats[data-cols="2"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.blk-stats[data-cols="4"] { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.blk-stat {
  --blk-tone: var(--color-primary, #4f7cff);
  text-align: center;
  padding: 0.75rem 0.5rem;
  border-radius: 12px;
  border: 1px solid color-mix(in srgb, var(--blk-tone) 26%, transparent);
  background: color-mix(in srgb, var(--blk-tone) 7%, transparent);
}
.blk-stat__num { font-size: 1.375rem; font-weight: 800; line-height: 1.2; color: color-mix(in srgb, var(--blk-tone) 62%, var(--color-text, currentColor)); }
.blk-stat__label { font-size: 0.75rem; opacity: 0.72; margin-top: 0.125rem; line-height: 1.45; }

/* 编号步骤卡 */
.blk-steps { list-style: none; counter-reset: bcstep; padding: 0; display: grid; gap: 0.75rem; }
.blk-step {
  counter-increment: bcstep;
  position: relative;
  padding: 0.875rem 1rem 0.875rem 3.25rem;
  border: 1px solid color-mix(in srgb, var(--color-text, #888) 14%, transparent);
  border-radius: 12px;
  background: color-mix(in srgb, var(--color-text, #888) 3%, transparent);
}
.blk-step::before {
  content: counter(bcstep);
  position: absolute; left: 0.875rem; top: 0.875rem;
  width: 1.75rem; height: 1.75rem; border-radius: 50%;
  display: grid; place-items: center;
  font-size: 0.875rem; font-weight: 700;
  background: var(--color-primary, #4f7cff);
  color: var(--color-bg, var(--color-canvas, #fff));
}
.blk-step h4 { margin: 0 0 0.25rem; font-size: 0.9375rem !important; line-height: 1.5; }
.blk-step p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 对比卡组 */
.blk-compare { display: grid; gap: 0.75rem; }
.blk-compare__item {
  border: 1px solid color-mix(in srgb, var(--color-text, #888) 14%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
  background: color-mix(in srgb, var(--color-text, #888) 3%, transparent);
}
.blk-compare__item.is-best {
  border: 2px solid color-mix(in srgb, var(--color-primary, #4f7cff) 55%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 6%, transparent);
}
.blk-compare__item > header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.375rem; }
.blk-compare__item h4 { margin: 0; font-size: 0.9375rem !important; line-height: 1.5; }
.blk-compare__tag {
  font-size: 0.6875rem; font-weight: 700; line-height: 1;
  padding: 0.25rem 0.5rem; border-radius: 999px;
  background: var(--color-primary, #4f7cff);
  color: var(--color-bg, var(--color-canvas, #fff));
}
.blk-compare__item p { margin: 0 0 0.375rem; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }
.blk-compare__scene {
  font-size: 0.8125rem !important; opacity: 1 !important;
  padding: 0.375rem 0.625rem; border-radius: 8px; margin: 0 !important;
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 9%, transparent);
}

/* 问答彩卡 */
.blk-faq { display: grid; gap: 0.75rem; }
.blk-faq__item {
  --blk-tone: var(--color-primary, #4f7cff);
  border: 1px solid color-mix(in srgb, var(--blk-tone) 26%, transparent);
  background: color-mix(in srgb, var(--blk-tone) 6%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
}
.blk-faq__item h4 { margin: 0 0 0.3125rem; font-size: 0.9375rem !important; line-height: 1.5; }
.blk-faq__item h4::before { content: "Q "; font-weight: 800; color: color-mix(in srgb, var(--blk-tone) 62%, var(--color-text, currentColor)); }
.blk-faq__item p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 报错排查卡 */
.blk-errors { display: grid; gap: 0.75rem; }
.blk-error {
  border: 1px solid color-mix(in srgb, #e11d48 22%, transparent);
  border-left: 4px solid color-mix(in srgb, #e11d48 62%, transparent);
  border-radius: 10px;
  padding: 0.875rem 1rem;
  background: color-mix(in srgb, #e11d48 5%, transparent);
}
.blk-error h4 {
  margin: 0 0 0.3125rem; font-size: 0.875rem !important; line-height: 1.5;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.blk-error p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 键值配置卡 */
.blk-config { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0.75rem; }
.blk-config__card {
  --blk-tone: var(--color-primary, #4f7cff);
  border: 1px solid color-mix(in srgb, var(--blk-tone) 26%, transparent);
  background: color-mix(in srgb, var(--blk-tone) 6%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
}
.blk-config__card h4 { margin: 0 0 0.5rem; font-size: 0.9375rem !important; line-height: 1.5; color: color-mix(in srgb, var(--blk-tone) 58%, var(--color-text, currentColor)); }
.blk-config__card dl { margin: 0; display: grid; grid-template-columns: auto 1fr; gap: 0.25rem 0.75rem; font-size: 0.8125rem; line-height: 1.6; }
.blk-config__card dt { font-weight: 600; opacity: 0.7; }
.blk-config__card dd { margin: 0; }
.blk-config__note {
  margin: 0.625rem 0 0 !important; padding: 0.375rem 0.625rem; border-radius: 8px;
  font-size: 0.75rem !important; line-height: 1.55;
  background: color-mix(in srgb, var(--blk-tone) 11%, transparent);
}

/* 双栏方案面板 */
.blk-scheme {
  border: 1px solid color-mix(in srgb, var(--color-primary, #4f7cff) 24%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 4%, transparent);
  border-radius: 14px;
  padding: 1rem 1.125rem;
}
.blk-scheme__title { margin: 0 0 0.75rem; font-size: 1rem !important; line-height: 1.5; }
.blk-scheme__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.blk-scheme__col h5 { margin: 0 0 0.375rem; font-size: 0.875rem; line-height: 1.5; opacity: 0.92; }
.blk-scheme__col ul { margin: 0; padding-left: 1.125rem; font-size: 0.875rem; line-height: 1.7; }
.blk-scheme__note {
  margin: 0.875rem 0 0 !important; padding: 0.5rem 0.75rem; border-radius: 8px;
  font-size: 0.8125rem !important; line-height: 1.6;
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 10%, transparent);
}

/* 洞察结论卡 */
.blk-insight {
  border: 1px solid color-mix(in srgb, #0e9f8a 30%, transparent);
  background: linear-gradient(135deg,
    color-mix(in srgb, #0e9f8a 8%, transparent),
    color-mix(in srgb, var(--color-primary, #4f7cff) 7%, transparent));
  border-radius: 12px;
  padding: 0.875rem 1.125rem;
}
.blk-insight h4 { margin: 0 0 0.25rem; font-size: 0.9375rem !important; line-height: 1.5; }
.blk-insight h4::before { content: "💡 "; }
.blk-insight p { margin: 0; font-size: 0.875rem; line-height: 1.68; opacity: 0.9; }

/* 流程链 */
.blk-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.blk-flow span {
  font-size: 0.8125rem; line-height: 1.5;
  padding: 0.375rem 0.75rem; border-radius: 999px;
  border: 1px solid color-mix(in srgb, var(--color-primary, #4f7cff) 30%, transparent);
  background: color-mix(in srgb, var(--color-primary, #4f7cff) 7%, transparent);
}
.blk-flow span:not(:last-child)::after {
  content: "→";
  margin-left: 0.5rem; margin-right: -0.25rem;
  opacity: 0.45;
}

@media (max-width: 720px) {
  .blk-stats, .blk-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .blk-config, .blk-scheme__cols { grid-template-columns: 1fr; }
}

/* ═══ article-shell v1(面板统一追加,勿手改;文章页骨架几何——限宽/对齐/节奏由此钉死,
   上方站点自有样式只负责这些类的皮肤:颜色/字体/背景/边框 ═══ */
.page-crumbs, nav.breadcrumb, nav.breadcrumbs {
  max-width: 700px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px);
  display: flex; align-items: center; gap: 0.5rem;
  white-space: nowrap; overflow: hidden;
  font-size: 13px; line-height: 1.5;
  margin-top: 1.5rem; margin-bottom: 1.25rem;
}
.page-crumbs a, nav.breadcrumb a, nav.breadcrumbs a { text-decoration: none; color: inherit; opacity: 0.62; }
.page-crumbs a:hover, nav.breadcrumb a:hover, nav.breadcrumbs a:hover { opacity: 1; }
.page-crumbs [aria-hidden], nav.breadcrumb [aria-hidden], nav.breadcrumbs [aria-hidden] { opacity: 0.35; }
.page-crumbs [aria-current="page"], nav.breadcrumb [aria-current="page"], nav.breadcrumbs [aria-current="page"] {
  max-width: 30ch; overflow: hidden; text-overflow: ellipsis; flex: 0 1 auto; min-width: 0; opacity: 0.85;
}
.article-head { padding-block: 0.75rem 2rem; }
.head-col { max-width: 700px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); }
.article-meta { margin: 0 0 1.1rem; font-size: 13px; line-height: 1.6; opacity: 0.72; }
.head-col h1 { margin: 0; max-width: 100%; line-height: 1.28; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.intro-lead { margin: 1.2rem 0 0; font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem); line-height: 1.7; opacity: 0.82; }
.read-body { max-width: 700px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); padding-block: 0.25rem 3rem; }
.read-body > h2:first-of-type { margin-top: 0; }