:root {
  --blog-size-h1: clamp(1.75rem, 1.15rem + 2.1vw, 3rem);
  --blog-size-post-title: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --blog-size-lead: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  --blog-size-h2: 1.5rem;
  --blog-size-h3: 1.25rem;
  --blog-size-meta: 0.8125rem;
  --blog-size-code: 0.875em;
  --blog-title-tracking: -0.035em;
  --blog-breadcrumb-link-opacity: 0.65;
  --blog-breadcrumb-divider-opacity: 0.35;
}

.blog-index,
.article-page {
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
}

.blog-skip {
  position: fixed;
  z-index: 100;
  inset-block-start: 0.75rem;
  inset-inline-start: var(--gutter);
  padding: 0.75rem 1rem;
  transform: translateY(-200%);
  border-radius: var(--radius-field);
  background: var(--bg);
  color: var(--accent);
  font-weight: var(--weight-bold);
}

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

.blog-splash {
  overflow: hidden;
  background:
    radial-gradient(ellipse at 85% 78%, var(--glow-ultra), var(--glow-none) 62%),
    linear-gradient(180deg, var(--field-0) 0%, var(--field-1) 28%, var(--field-2) 56%, var(--field-3) 83%, var(--bg) 100%);
}

.blog-splash__inner {
  padding-block: 3.5rem 4.5rem;
  text-align: center;
}

.blog-splash__eyebrow {
  margin: 0 0 1.25rem;
  color: var(--on-dark-soft);
  font-family: var(--font-mono);
  font-size: var(--size-eyebrow);
  font-weight: var(--weight-medium);
  letter-spacing: 0.08em;
}

.blog-splash h1 {
  margin: 0;
  color: var(--on-dark);
  font-family: var(--font-display);
  font-size: var(--blog-size-h1);
  font-weight: var(--weight-display);
  line-height: 1.22;
  letter-spacing: var(--blog-title-tracking);
}

.blog-splash__lead {
  max-width: 42rem;
  margin: 1.25rem auto 0;
  color: var(--on-dark);
  font-size: var(--blog-size-lead);
  line-height: 1.8;
}

.blog-splash__topics {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 0.5rem;
  margin-top: 1.75rem;
}

.blog-splash__topics span {
  padding: 0.4rem 0.85rem;
  border: 1px solid var(--on-dark-line);
  border-radius: var(--radius-pill);
  background: var(--field-0);
  color: var(--on-dark);
  font-family: var(--font-mono);
  font-size: var(--size-small);
}

.blog-catalog {
  padding-block: 2.5rem 5rem;
}

.blog-catalog__head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 1rem;
  margin-bottom: 1.5rem;
}

.blog-catalog__head h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-display);
}

.blog-count {
  margin: 0;
  color: var(--text-muted);
  font-size: var(--size-small);
}

.blog-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 0.625rem;
  margin-bottom: 2rem;
}

.blog-filter {
  min-height: 44px;
  padding: 0.65rem 1.1rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  background: var(--bg);
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--size-small);
  font-weight: var(--weight-semibold);
  cursor: pointer;
  transition: border-color var(--duration-fast), background-color var(--duration-fast), color var(--duration-fast);
}

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

.blog-filter[aria-pressed="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-dark);
}

.blog-filter:focus-visible,
.blog-card a:focus-visible,
.post-nav__link:focus-visible,
.blog-skip:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 4px;
}

.blog-post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1.5rem;
}

.blog-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 1.75rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg);
  color: var(--text);
}

.blog-card__meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-bottom: 1rem;
  color: var(--text-muted);
  font-size: var(--blog-size-meta);
  line-height: 1.6;
}

.blog-card__meta time {
  font-family: var(--font-mono);
}

.blog-card__meta .tag {
  max-width: 100%;
  white-space: normal;
}

.blog-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--blog-size-h3);
  font-weight: var(--weight-bold);
  line-height: 1.55;
  overflow-wrap: anywhere;
}

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

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

.blog-card .blog-card__summary {
  margin: 1rem 0 1.5rem;
  color: var(--text-muted);
  font-size: var(--size-body);
  line-height: 1.85;
}

.blog-card .blog-card__link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--accent);
  font-size: var(--size-small);
  font-weight: var(--weight-semibold);
  text-decoration: none;
}

.blog-card__link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-field);
  background: var(--bg-panel);
  color: var(--text-muted);
  line-height: 1.8;
}

.blog-empty a {
  color: var(--accent);
  text-underline-offset: 0.2em;
}

:is(.blog-breadcrumb, nav.breadcrumb, nav.breadcrumbs) {
  display: flex;
  align-items: center;
  flex-wrap: nowrap;
  gap: 0.5rem;
  margin-top: 1.25rem;
  margin-bottom: 1.25rem;
  padding: 0;
  overflow: hidden;
  white-space: nowrap;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-meta);
  line-height: 1.7;
}

:is(.blog-breadcrumb, nav.breadcrumb, nav.breadcrumbs) a,
.trail-nav a {
  color: var(--text-muted);
  opacity: var(--blog-breadcrumb-link-opacity);
  text-decoration: none;
}

:is(.blog-breadcrumb, nav.breadcrumb, nav.breadcrumbs) a {
  flex: 0 0 auto;
}

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

:is(.blog-breadcrumb, nav.breadcrumb, nav.breadcrumbs) :is(.separator, .breadcrumb-separator, [aria-hidden="true"]),
.trail-nav [aria-hidden="true"] {
  color: var(--text-muted);
  opacity: var(--blog-breadcrumb-divider-opacity);
}

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

.trail-nav {
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-meta);
}

.article-page .section:has(> .blog-breadcrumb),
.article-page .section:has(> nav.breadcrumb),
.article-page .section:has(> nav.breadcrumbs),
.article-page .section:has(> .wrap > .blog-breadcrumb),
.article-page .section:has(> .wrap > nav.breadcrumb),
.article-page .section:has(> .wrap > nav.breadcrumbs) {
  padding-block: 1.5rem 0;
}

.post-intro,
.hero-inner {
  background: var(--bg);
  color: var(--text);
}

.article-meta {
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-meta);
  line-height: 1.7;
}

.article-meta time {
  font-family: var(--font-mono);
}

.article-page h1 {
  max-width: 100%;
  margin-block: 1rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-size-post-title);
  font-weight: var(--weight-display);
  line-height: 1.32;
  letter-spacing: var(--blog-title-tracking);
  overflow-wrap: break-word;
}

.article-lead {
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-lead);
  line-height: 1.7;
}

.entry-body {
  color: var(--text);
  font-family: var(--font-body);
  font-size: var(--size-body);
  line-height: 1.85;
}

:is(.entry-body, .article-page .prose) h2 {
  margin-block: 2rem 0.875rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-bold);
  line-height: 1.45;
}

:is(.entry-body, .article-page .prose) > h2:first-child,
:is(.entry-body, .article-page .prose) > section:first-child > h2:first-child {
  margin-top: 0;
}

:is(.entry-body, .article-page .prose) h3 {
  margin-block: 1.5rem 0.75rem;
  color: var(--text);
  font-family: var(--font-display);
  font-size: var(--blog-size-h3);
  font-weight: var(--weight-bold);
  line-height: 1.5;
}

:is(.entry-body, .article-page .prose) p {
  margin-block: 0 1rem;
}

:is(.entry-body, .article-page .prose) section {
  padding-block: 0;
}

:is(.entry-body, .article-page .prose) section + section {
  margin-top: 2rem;
}

:is(.entry-body, .article-page .prose) section + section > h2:first-child {
  margin-top: 0;
}

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

:is(.entry-body, .article-page .prose) :is(ul, ol) {
  margin-block: 0.75rem 1.25rem;
  padding-inline-start: 1.5rem;
}

:is(.entry-body, .article-page .prose) li + li {
  margin-top: 0.5rem;
}

:is(.entry-body, .article-page .prose) code {
  font-family: var(--font-mono);
  font-size: var(--blog-size-code);
}

:is(.entry-body, .article-page .prose) :not(pre) > code {
  padding: 0.15em 0.35em;
  border-radius: var(--radius-small);
  background: var(--bg-panel);
  color: var(--text);
  overflow-wrap: anywhere;
}

:is(.entry-body, .article-page .prose) pre {
  max-width: 100%;
  margin-block: 1.25rem;
  padding: 1.25rem;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: var(--radius-field);
  background: var(--bg-panel);
  color: var(--text);
  line-height: 1.75;
  tab-size: 2;
}

:is(.entry-body, .article-page .prose) pre code {
  white-space: pre;
  overflow-wrap: normal;
}

:is(.entry-body, .article-page .prose) blockquote {
  margin: 1.25rem 0;
  padding: 1rem 1.25rem;
  border-inline-start: 3px solid var(--accent);
  background: var(--bg-panel);
  color: var(--text);
}

:is(.entry-body, .article-page .prose) .table-scroll {
  max-width: 100%;
  margin-block: 1.25rem;
  overflow-x: auto;
}

:is(.entry-body, .article-page .prose) table {
  display: block;
  max-width: 100%;
  margin-block: 1.25rem;
  overflow-x: auto;
  border-collapse: collapse;
  color: var(--text);
  font-size: var(--size-small);
}

:is(.entry-body, .article-page .prose) .table-scroll table {
  display: table;
  min-width: 100%;
  margin: 0;
}

:is(.entry-body, .article-page .prose) :is(th, td) {
  min-width: 7em;
  padding: 0.8rem 1rem;
  border: 1px solid var(--border);
  text-align: start;
  vertical-align: top;
}

:is(.entry-body, .article-page .prose) th {
  background: var(--bg-panel);
  font-weight: var(--weight-semibold);
}

.article-download {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1.5rem;
  margin-block: 2rem;
  padding: 1.5rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--bg-panel);
  color: var(--text);
}

.article-download h2 {
  margin: 0 0 0.625rem;
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  line-height: 1.45;
}

.article-download p {
  margin: 0;
  color: var(--text-muted);
  line-height: 1.75;
}

.article-download > .btn {
  flex: 0 0 auto;
}

#related-posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 300px), 1fr));
  gap: 1.25rem;
  margin-block: 1.25rem 2rem;
}

#related-posts .blog-card {
  padding: 1.5rem;
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1rem;
  margin-block: 1.5rem 2rem;
}

#post-nav .post-nav__link {
  display: flex;
  flex-direction: column;
  gap: 0.75rem;
  min-width: 0;
  padding: 1.25rem;
  border: 1px solid var(--border);
  border-radius: var(--radius-float);
  background: var(--bg);
  color: var(--text);
  text-decoration: none;
}

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

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

.post-nav__label {
  color: var(--text-muted);
  font-size: var(--size-small);
  line-height: 1.5;
}

.post-nav__title {
  color: var(--text);
  font-size: var(--size-body);
  font-weight: var(--weight-semibold);
  line-height: 1.65;
  overflow-wrap: anywhere;
}

#post-nav .post-nav__link:hover .post-nav__title {
  color: var(--accent);
}

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

@media (min-width: 960px) {
  #related-posts {
    grid-template-columns: repeat(2, minmax(300px, 1fr));
  }
}

@media (max-width: 680px) {
  .blog-splash__inner {
    padding-block: 2.5rem 3rem;
  }

  .blog-splash h1 {
    font-size: min(var(--blog-size-h1), 1.875rem);
  }

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

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

  .blog-catalog__head {
    align-items: flex-start;
    flex-direction: column;
    gap: 0.75rem;
  }

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

  .blog-card {
    padding: 1.25rem;
  }

  .blog-filters {
    gap: 0.5rem;
  }

  .article-download {
    align-items: flex-start;
    flex-direction: column;
    padding: 1.25rem;
  }

  .post-nav__link--next {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter {
    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 ═══ */
.unit-summary, .unit-stats, .unit-steps, .unit-compare, .unit-faq, .unit-errors,
.unit-config, .unit-scheme, .unit-insight, .unit-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"], .unit-tone-a { --unit-tone: var(--color-primary, #4f7cff); }
[data-tone="b"], .unit-tone-b { --unit-tone: var(--color-accent, var(--color-primary, #7c5cff)); }
[data-tone="c"], .unit-tone-c { --unit-tone: #0e9f8a; }
[data-tone="d"], .unit-tone-d { --unit-tone: #d97706; }
[data-tone="e"], .unit-tone-e { --unit-tone: #e11d48; }

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

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

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

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

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

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

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

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

@media (max-width: 720px) {
  .unit-stats, .unit-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .unit-config, .unit-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 ═══ */
.trail-nav, 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;
}
.trail-nav a, nav.breadcrumb a, nav.breadcrumbs a { text-decoration: none; color: inherit; opacity: 0.62; }
.trail-nav a:hover, nav.breadcrumb a:hover, nav.breadcrumbs a:hover { opacity: 1; }
.trail-nav [aria-hidden], nav.breadcrumb [aria-hidden], nav.breadcrumbs [aria-hidden] { opacity: 0.35; }
.trail-nav [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-intro { padding-block: 0.75rem 1.5rem; }
.hero-inner { 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; }
.hero-inner h1 { margin: 0; max-width: 100%; line-height: 1.28; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.article-lead { margin: 1.2rem 0 0; font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem); line-height: 1.7; opacity: 0.82; }
.entry-body { max-width: 700px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); padding-block: 0.25rem 3rem; }
.entry-body > h2:first-of-type { margin-top: 0; }