:root {
  --blog-overlay: rgba(25, 28, 40, 0.48);
  --blog-overlay-clear: rgba(25, 28, 40, 0);
  --blog-card-highlight: rgba(99, 87, 242, 0.08);
  --blog-focus-ring: rgba(99, 87, 242, 0.2);
  --blog-muted-opacity: 0.6;
  --blog-separator-opacity: 0.35;
  --blog-transition-fast: 180ms ease;
  --blog-transition-standard: 240ms ease;
  --blog-card-gap: 1.25rem;
  --blog-reading-gap: 1.5rem;
  --blog-modal-width: 30rem;
}

.blog-index {
  overflow: clip;
}

.blog-list-hero {
  padding-block: 2rem 3.5rem;
  background: var(--color-page);
}

.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  min-width: 0;
  margin-top: 1.25rem;
  margin-bottom: 2rem;
  overflow: hidden;
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
  line-height: 1.5;
  white-space: nowrap;
}

.blog-breadcrumb a,
nav.breadcrumb a,
nav.breadcrumbs a {
  color: var(--color-ink-muted);
  text-decoration: none;
  opacity: var(--blog-muted-opacity);
  transition: color var(--blog-transition-fast), opacity var(--blog-transition-fast);
}

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

.blog-breadcrumb .breadcrumb-separator,
nav.breadcrumb .breadcrumb-separator,
nav.breadcrumbs .breadcrumb-separator {
  flex: 0 0 auto;
  opacity: var(--blog-separator-opacity);
}

.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-ink-muted);
  text-overflow: ellipsis;
}

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

.blog-list-heading {
  max-width: 52rem;
}

.blog-list-heading h1 {
  max-width: 100%;
  margin-block: 0.75rem 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(2rem, 1.45rem + 2vw, 3rem);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.035em;
}

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

.gradient-text {
  color: var(--color-brand);
  background: var(--gradient-brand);
  background-clip: text;
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
}

.blog-directory {
  padding-block: 4.5rem;
  background: var(--color-panel);
}

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

.blog-toolbar h2 {
  margin-block: 0.5rem 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.625rem, 1.4rem + 0.8vw, 2.25rem);
  line-height: 1.25;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
}

.blog-filter-button {
  min-height: 2.625rem;
  padding-inline: 1rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-page);
  color: var(--color-ink-muted);
  font: inherit;
  font-size: 0.875rem;
  font-weight: 650;
  cursor: pointer;
  transition: border-color var(--blog-transition-fast), color var(--blog-transition-fast), box-shadow var(--blog-transition-fast), transform var(--blog-transition-fast);
}

.blog-filter-button:hover {
  border-color: var(--color-line-hover);
  color: var(--color-brand-deep);
  transform: translateY(-1px);
}

.blog-filter-button:focus-visible {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 0.25rem var(--blog-focus-ring);
}

.blog-filter-button.is-active {
  border-color: var(--color-brand);
  background: var(--gradient-brand);
  color: var(--color-page);
  box-shadow: var(--shadow-button);
}

.blog-result-count {
  margin-block: 0 1.25rem;
  color: var(--color-ink-muted);
  font-size: 0.875rem;
}

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

.blog-article-card {
  display: flex;
  min-width: 0;
  min-height: 20rem;
  flex-direction: column;
  padding: clamp(1.375rem, 1.1rem + 0.8vw, 2rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  box-shadow: var(--shadow-card);
  transition: border-color var(--blog-transition-standard), box-shadow var(--blog-transition-standard), transform var(--blog-transition-standard);
}

.blog-article-card:hover {
  border-color: var(--color-line-focus);
  box-shadow: var(--shadow-deep);
  transform: translateY(-3px);
}

.blog-article-card .article-meta,
.related-post-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.blog-article-card h3 {
  margin-block: 1.125rem 0.75rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.02rem + 0.4vw, 1.375rem);
  line-height: 1.45;
}

.blog-article-card h3 a {
  color: inherit;
  text-decoration: none;
}

.blog-article-card h3 a::after {
  position: absolute;
  content: "";
}

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

.blog-article-card .article-more {
  margin-top: auto;
  padding-top: 1.5rem;
}

.article-more {
  color: var(--color-brand-deep);
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
}

.article-more::after {
  margin-left: 0.35rem;
  content: "→";
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 3rem 1.5rem;
  border: 1px dashed var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-ink-muted);
  text-align: center;
}

.post-hero {
  border-bottom: 1px solid var(--color-line);
  background: var(--color-page);
  color: var(--color-ink);
}

.post-hero .article-meta {
  color: var(--color-ink-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.post-hero h1 {
  max-width: 100%;
  margin-block: 0.875rem 0.75rem;
  color: var(--color-ink);
  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;
}

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

.article-prose {
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.85;
}

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

.article-prose p,
.article-prose ul,
.article-prose ol,
.article-prose blockquote,
.article-prose pre,
.article-prose table {
  margin-block: 1rem;
}

.article-prose h2 {
  margin-block: 2.75rem 1rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.08rem + 0.65vw, 1.5rem);
  line-height: 1.4;
}

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

.article-prose h3 {
  margin-block: 2rem 0.75rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.02rem + 0.3vw, 1.25rem);
  line-height: 1.45;
}

.article-prose section {
  padding: 0;
}

.article-prose section + section {
  margin-top: 2.5rem;
}

.article-prose ul,
.article-prose ol {
  padding-left: 1.5rem;
}

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

.article-prose strong {
  color: var(--color-ink);
}

.article-prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--color-brand-deep);
  font-weight: 600;
  text-decoration-color: var(--color-line-focus);
  text-underline-offset: 0.18em;
}

.article-prose a:not([class*="btn"]):not([class*="button"]):hover {
  color: var(--color-brand);
  text-decoration-color: currentColor;
}

.article-prose code {
  padding: 0.12em 0.4em;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-small);
  background: var(--color-panel);
  color: var(--color-brand-deep);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.article-prose pre {
  overflow-x: auto;
  padding: 1.25rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
  background: var(--color-panel);
  color: var(--color-ink);
  font-family: var(--font-mono);
  line-height: 1.7;
}

.article-prose pre code {
  padding: 0;
  border: 0;
  background: transparent;
  color: inherit;
}

.article-prose blockquote {
  padding: 1rem 1.25rem;
  border-left: 0.25rem solid var(--color-brand);
  border-radius: 0 var(--radius-control) var(--radius-control) 0;
  background: var(--color-panel);
  color: var(--color-ink-muted);
}

.article-prose table {
  width: 100%;
  table-layout: fixed;
  border-collapse: separate;
  border-spacing: 0;
  overflow: hidden;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-control);
}

.article-prose th,
.article-prose td {
  padding: 0.75rem 1rem;
  border-bottom: 1px solid var(--color-line);
  text-align: left;
  vertical-align: top;
}

.article-prose th {
  background: var(--color-panel);
  color: var(--color-ink);
}

.article-prose tr:last-child td {
  border-bottom: 0;
}

.download-guide-card,
.dl-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-top: 2.5rem;
  padding: clamp(1.375rem, 1.1rem + 0.8vw, 2rem);
  border: 1px solid var(--color-line-focus);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--shadow-card);
}

.download-guide-card h2,
.dl-card h2 {
  margin: 0 0 0.5rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.375rem;
  line-height: 1.4;
}

.download-guide-card p,
.dl-card p {
  margin: 0;
  color: var(--color-ink-muted);
  line-height: 1.7;
}

.related-section {
  margin-top: 3rem;
}

.related-section > h2,
.post-navigation-section > h2 {
  margin-block: 0 1.25rem;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: 1.5rem;
  line-height: 1.4;
}

#related-posts {
  display: grid;
  grid-template-columns: repeat(2, minmax(18.75rem, 1fr));
  gap: var(--blog-card-gap);
}

.related-post-card {
  display: flex;
  min-width: 18.75rem;
  flex-direction: column;
  padding: 1.5rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-ink);
  text-decoration: none;
  box-shadow: var(--shadow-card);
  transition: border-color var(--blog-transition-standard), box-shadow var(--blog-transition-standard), transform var(--blog-transition-standard);
}

.related-post-card:hover {
  border-color: var(--color-line-focus);
  box-shadow: var(--shadow-deep);
  transform: translateY(-2px);
}

.related-post-card h3 {
  margin-block: 1rem 0.75rem;
  color: var(--color-ink);
  font-size: 1.0625rem;
  line-height: 1.5;
}

.related-post-card p {
  display: -webkit-box;
  margin: 0 0 1.25rem;
  overflow: hidden;
  color: var(--color-ink-muted);
  line-height: 1.7;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}

.related-post-card .article-more {
  margin-top: auto;
}

.post-navigation-section {
  margin-top: 3rem;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-card-gap);
}

#post-nav.has-single-link .post-nav-next {
  grid-column: 2;
}

.post-nav-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: 0.625rem;
  padding: 1.375rem;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-card);
  background: var(--color-page);
  color: var(--color-ink);
  text-decoration: none;
  transition: border-color var(--blog-transition-fast), background var(--blog-transition-fast), transform var(--blog-transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-line-focus);
  background: var(--blog-card-highlight);
  transform: translateY(-2px);
}

.post-nav-label {
  color: var(--color-ink-muted);
  font-size: 0.8125rem;
}

.post-nav-card strong {
  overflow: hidden;
  font-size: 0.9375rem;
  line-height: 1.55;
  text-overflow: ellipsis;
}

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

.blog-modal-open {
  overflow: hidden;
}

.blog-download-modal {
  position: fixed;
  z-index: 1200;
  inset: 0;
  display: grid;
  place-items: center;
  padding: 1rem;
}

.blog-download-modal[hidden] {
  display: none;
}

.blog-download-modal-backdrop {
  position: absolute;
  inset: 0;
  background: var(--blog-overlay-clear);
  backdrop-filter: blur(0);
  transition: background var(--blog-transition-fast), backdrop-filter var(--blog-transition-fast);
}

.blog-download-modal-panel {
  position: relative;
  width: min(100%, var(--blog-modal-width));
  padding: clamp(1.75rem, 1.4rem + 1vw, 2.5rem);
  border: 1px solid var(--color-line);
  border-radius: var(--radius-panel);
  background: var(--color-page);
  color: var(--color-ink);
  text-align: center;
  box-shadow: var(--shadow-deep);
  opacity: 0;
  transform: translateY(1rem) scale(0.98);
  transition: opacity var(--blog-transition-fast), transform var(--blog-transition-fast);
}

.blog-download-modal.is-visible .blog-download-modal-backdrop {
  background: var(--blog-overlay);
  backdrop-filter: blur(0.25rem);
}

.blog-download-modal.is-visible .blog-download-modal-panel {
  opacity: 1;
  transform: translateY(0) scale(1);
}

.blog-download-modal-close {
  position: absolute;
  top: 0.875rem;
  right: 0.875rem;
  display: grid;
  width: 2.25rem;
  height: 2.25rem;
  place-items: center;
  border: 1px solid var(--color-line);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-ink);
  font: inherit;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
  transition: border-color var(--blog-transition-fast), color var(--blog-transition-fast), background var(--blog-transition-fast);
}

.blog-download-modal-close:hover {
  border-color: var(--color-line-hover);
  background: var(--color-panel-strong);
  color: var(--color-brand-deep);
}

.blog-download-modal-close:focus-visible {
  outline: none;
  border-color: var(--color-brand);
  box-shadow: 0 0 0 0.25rem var(--blog-focus-ring);
}

.blog-download-modal-mark {
  display: grid;
  width: 3rem;
  height: 3rem;
  place-items: center;
  margin-inline: auto;
  border-radius: var(--radius-control);
  background: var(--gradient-brand);
  color: var(--color-page);
  font-family: var(--font-display);
  font-size: 1.375rem;
  font-weight: 800;
}

.blog-download-modal-name {
  margin-block: 1rem 0.5rem;
  color: var(--color-brand-deep);
  font-size: 0.8125rem;
  font-weight: 750;
  letter-spacing: 0.06em;
}

.blog-download-modal-panel h2 {
  margin: 0;
  color: var(--color-ink);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.25rem + 0.8vw, 1.875rem);
  line-height: 1.35;
}

.blog-download-modal-description {
  margin-block: 0.875rem 1.5rem;
  color: var(--color-ink-muted);
  line-height: 1.75;
}

.blog-download-modal-panel .button {
  width: 100%;
}

@media (max-width: 820px) {
  .blog-card-list {
    grid-template-columns: 1fr;
  }

  #related-posts {
    grid-template-columns: repeat(2, minmax(18.75rem, 1fr));
    overflow-x: auto;
    padding-bottom: 0.5rem;
  }
}

@media (max-width: 680px) {
  .blog-list-hero {
    padding-block: 1.25rem 2.75rem;
  }

  .blog-breadcrumb {
    margin-top: 1.25rem;
    margin-bottom: 1.5rem;
  }

  .blog-list-heading h1 {
    font-size: clamp(1.75rem, 1.55rem + 1vw, 1.875rem);
  }

  .blog-directory {
    padding-block: 3.25rem;
  }

  .blog-toolbar {
    align-items: stretch;
    flex-direction: column;
    gap: 1.25rem;
  }

  .blog-filter {
    flex-wrap: nowrap;
    overflow-x: auto;
    padding-bottom: 0.25rem;
  }

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

  .blog-article-card {
    min-height: 0;
  }

  .download-guide-card,
  .dl-card {
    align-items: stretch;
    flex-direction: column;
  }

  .download-guide-card .button,
  .dl-card .button {
    width: 100%;
  }

  #related-posts {
    grid-template-columns: minmax(18.75rem, 1fr);
  }

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

  #post-nav.has-single-link .post-nav-next {
    grid-column: 1;
  }

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

@media (max-width: 360px) {
  #related-posts {
    grid-template-columns: minmax(0, 1fr);
  }

  .related-post-card {
    min-width: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter-button,
  .blog-article-card,
  .related-post-card,
  .post-nav-card,
  .blog-download-modal-backdrop,
  .blog-download-modal-panel,
  .blog-download-modal-close {
    transition: 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 ═══ */
.cell-summary, .cell-stats, .cell-steps, .cell-compare, .cell-faq, .cell-errors,
.cell-config, .cell-scheme, .cell-insight, .cell-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"], .cell-tone-a { --cell-tone: var(--color-primary, #4f7cff); }
[data-tone="b"], .cell-tone-b { --cell-tone: var(--color-accent, var(--color-primary, #7c5cff)); }
[data-tone="c"], .cell-tone-c { --cell-tone: #0e9f8a; }
[data-tone="d"], .cell-tone-d { --cell-tone: #d97706; }
[data-tone="e"], .cell-tone-e { --cell-tone: #e11d48; }

/* 本文速览卡 */
.cell-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;
}
.cell-summary strong { display: block; font-size: 0.8125rem; letter-spacing: 0.02em; opacity: 0.75; margin-bottom: 0.25rem; }
.cell-summary p { margin: 0; font-size: inherit !important; }

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

/* 编号步骤卡 */
.cell-steps { list-style: none; counter-reset: bcstep; padding: 0; display: grid; gap: 0.75rem; }
.cell-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);
}
.cell-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));
}
.cell-step h4 { margin: 0 0 0.25rem; font-size: 0.9375rem !important; line-height: 1.5; }
.cell-step p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 对比卡组 */
.cell-compare { display: grid; gap: 0.75rem; }
.cell-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);
}
.cell-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);
}
.cell-compare__item > header { display: flex; align-items: center; gap: 0.5rem; margin-bottom: 0.375rem; }
.cell-compare__item h4 { margin: 0; font-size: 0.9375rem !important; line-height: 1.5; }
.cell-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));
}
.cell-compare__item p { margin: 0 0 0.375rem; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }
.cell-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 */
.cell-faq { display: grid; gap: 0.75rem; }
.cell-faq__item {
  --cell-tone: var(--color-primary, #4f7cff);
  border: 1px solid color-mix(in srgb, var(--cell-tone) 26%, transparent);
  background: color-mix(in srgb, var(--cell-tone) 6%, transparent);
  border-radius: 12px;
  padding: 0.875rem 1rem;
}
.cell-faq__item h4 { margin: 0 0 0.3125rem; font-size: 0.9375rem !important; line-height: 1.5; }
.cell-faq__item h4::before { content: "Q "; font-weight: 800; color: color-mix(in srgb, var(--cell-tone) 62%, var(--color-text, currentColor)); }
.cell-faq__item p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

/* 报错排查卡 */
.cell-errors { display: grid; gap: 0.75rem; }
.cell-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);
}
.cell-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;
}
.cell-error p { margin: 0; font-size: 0.875rem; line-height: 1.65; opacity: 0.88; }

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

/* 双栏方案面板 */
.cell-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;
}
.cell-scheme__title { margin: 0 0 0.75rem; font-size: 1rem !important; line-height: 1.5; }
.cell-scheme__cols { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 1rem; }
.cell-scheme__col h5 { margin: 0 0 0.375rem; font-size: 0.875rem; line-height: 1.5; opacity: 0.92; }
.cell-scheme__col ul { margin: 0; padding-left: 1.125rem; font-size: 0.875rem; line-height: 1.7; }
.cell-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 */
.cell-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;
}
.cell-insight h4 { margin: 0 0 0.25rem; font-size: 0.9375rem !important; line-height: 1.5; }
.cell-insight h4::before { content: "💡 "; }
.cell-insight p { margin: 0; font-size: 0.875rem; line-height: 1.68; opacity: 0.9; }

/* 流程链 */
.cell-flow { display: flex; flex-wrap: wrap; align-items: center; gap: 0.5rem; }
.cell-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);
}
.cell-flow span:not(:last-child)::after {
  content: "→";
  margin-left: 0.5rem; margin-right: -0.25rem;
  opacity: 0.45;
}

@media (max-width: 720px) {
  .cell-stats, .cell-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .cell-config, .cell-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 ═══ */
.breadcrumb, nav.breadcrumb, nav.breadcrumbs {
  max-width: 660px; 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;
}
.breadcrumb a, nav.breadcrumb a, nav.breadcrumbs a { text-decoration: none; color: inherit; opacity: 0.62; }
.breadcrumb a:hover, nav.breadcrumb a:hover, nav.breadcrumbs a:hover { opacity: 1; }
.breadcrumb [aria-hidden], nav.breadcrumb [aria-hidden], nav.breadcrumbs [aria-hidden] { opacity: 0.35; }
.breadcrumb [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;
}
.post-hero { padding-block: 0.75rem 2rem; }
.head-inner { max-width: 660px; 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-inner h1 { margin: 0; max-width: 100%; line-height: 1.28; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.post-lead { margin: 1.2rem 0 0; font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem); line-height: 1.7; opacity: 0.82; }
.article-prose { max-width: 660px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); padding-block: 0.25rem 3rem; }
.article-prose > h2:first-of-type { margin-top: 0; }