:root {
  --blog-fs-crumb: 0.8125rem;
  --blog-fs-list-title: clamp(2rem, 3.8vw, 3rem);
  --blog-fs-post-title: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --blog-fs-lead: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  --blog-fs-h2: 1.5rem;
  --blog-fs-h3: 1.25rem;
  --blog-fs-close: 1.75rem;
  --blog-title-tracking: -0.02em;
  --blog-grid-size: 96px;
  --blog-card-min: 300px;
  --blog-modal-width: 480px;
  --blog-lh-title: 1.32;
  --blog-lh-body: 1.8;
  --blog-lh-lead: 1.7;
  --blog-space-xs: 0.5rem;
  --blog-space-sm: 0.75rem;
  --blog-space-md: 1rem;
  --blog-space-head: 1.25rem;
  --blog-space-lg: 1.5rem;
  --blog-space-xl: 2rem;
  --blog-space-section: 2.5rem;
  --blog-space-panel: 3rem;
  --blog-space-hero: 3.5rem;
  --blog-fab-reserve: 96px;
  --blog-focus-width: 3px;
  --blog-focus-offset: 3px;
  --blog-crumb-link-opacity: 0.85;
  --blog-crumb-divider-opacity: 0.35;
  --blog-close-size: 44px;
  --blog-dialog-shift: 8px;
}

/* 列表首屏与浅色目录形成明暗分段。 */
.blog-list-hero {
  padding-block: var(--blog-space-hero);
  background-color: var(--c-bg);
  background-image:
    linear-gradient(var(--c-grid) 1px, var(--c-clear) 1px),
    linear-gradient(90deg, var(--c-grid) 1px, var(--c-clear) 1px);
  background-size: var(--blog-grid-size) var(--blog-grid-size);
  color: var(--c-text);
  text-align: center;
}

.blog-eyebrow,
.blog-download-dialog__eyebrow {
  margin: 0 0 var(--blog-space-md);
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  font-weight: var(--fw-medium);
}

.blog-list-hero h1 {
  margin: 0;
  font-family: var(--f-display);
  font-size: var(--blog-fs-list-title);
  font-weight: var(--fw-display);
  line-height: var(--blog-lh-title);
  letter-spacing: var(--blog-title-tracking);
}

.blog-list-intro {
  max-width: 44em;
  margin: var(--blog-space-lg) auto 0;
  color: var(--c-muted);
  font-size: var(--blog-fs-lead);
  line-height: var(--blog-lh-lead);
}

.blog-topic-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: var(--blog-space-xs);
  margin-top: var(--blog-space-lg);
}

.blog-topic-strip span {
  padding: var(--blog-space-xs) var(--blog-space-sm);
  border: 1px solid var(--c-border);
  border-radius: var(--r-pill);
  background: var(--c-panel);
  color: var(--c-text);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
}

.blog-catalog {
  margin: 0 var(--edge) var(--blog-space-panel);
  padding-block: var(--blog-space-panel);
  border-radius: var(--r-panel);
  background: var(--c-light);
  color: var(--c-ink);
}

.blog-catalog-head {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--blog-space-md);
  margin-bottom: var(--blog-space-lg);
}

.blog-catalog-head h2 {
  margin: 0;
  font-family: var(--f-display);
  font-size: var(--blog-fs-h2);
  font-weight: var(--fw-heavy);
}

.blog-result-count {
  margin: 0;
  color: var(--c-ink-muted);
  font-size: var(--fs-small);
}

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

.blog-filter {
  min-height: var(--blog-close-size);
  padding: var(--blog-space-sm) var(--blog-space-md);
  border: 1px solid var(--c-ink-a14);
  border-radius: var(--r-btn);
  background: var(--c-light);
  color: var(--c-ink);
  font-family: var(--f-body);
  font-size: var(--fs-button);
  font-weight: var(--fw-medium);
  cursor: pointer;
  transition: background var(--motion-short) var(--ease), border-color var(--motion-short) var(--ease);
}

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

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

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

.blog-post-grid > *,
#related-posts > *,
#post-nav > * {
  min-width: 0;
}

.blog-post-grid .article-card,
#related-posts .article-card {
  display: flex;
  flex-direction: column;
  gap: var(--blog-space-md);
  margin: 0;
  padding: var(--blog-space-lg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
  box-shadow: var(--shadow-card);
}

.blog-post-grid .article-card__meta,
#related-posts .article-card__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--blog-space-sm);
  margin: 0;
  color: var(--c-muted);
  font-size: var(--fs-small);
}

.blog-post-grid .tag,
#related-posts .tag {
  padding: 0.25rem var(--blog-space-xs);
  border: 1px solid var(--c-border);
  border-radius: var(--r-small);
  background: var(--c-panel-2);
  color: var(--c-accent);
  line-height: 1.5;
  white-space: normal;
}

.blog-post-grid .article-card__title,
#related-posts .article-card__title {
  margin: 0;
  font-family: var(--f-display);
  font-size: var(--blog-fs-h3);
  font-weight: var(--fw-bold);
  line-height: 1.5;
  overflow-wrap: break-word;
}

.blog-post-grid .article-card__title a,
#related-posts .article-card__title a {
  color: var(--c-text);
  text-decoration: none;
}

.blog-post-grid .article-card__title a:hover,
#related-posts .article-card__title a:hover {
  color: var(--c-accent);
}

.blog-post-grid .article-card__summary,
#related-posts .article-card__summary {
  margin: 0;
  color: var(--c-muted);
  font-size: var(--fs-body);
  line-height: var(--blog-lh-body);
}

.blog-post-grid .article-card__link,
#related-posts .article-card__link {
  align-self: flex-start;
  margin-top: auto;
  color: var(--c-accent);
  font-weight: var(--fw-medium);
  text-decoration: none;
}

.blog-post-grid .article-card__link:hover,
#related-posts .article-card__link:hover {
  text-decoration: underline;
  text-underline-offset: 0.2em;
}

.blog-empty {
  grid-column: 1 / -1;
  margin: 0;
  padding: var(--blog-space-lg);
  color: var(--c-ink-muted);
  line-height: var(--blog-lh-body);
}

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

/* 标准文章骨架的容器几何由构建面板追加，此处仅提供皮肤。 */
.crumb-nav,
nav.breadcrumb,
nav.breadcrumbs,
.blog-breadcrumb {
  color: var(--c-muted);
  font-family: var(--f-body);
  font-size: var(--blog-fs-crumb);
}

nav.breadcrumb,
nav.breadcrumbs,
.blog-breadcrumb {
  display: flex;
  align-items: center;
  gap: var(--blog-space-xs);
  margin-top: var(--blog-space-lg);
  margin-bottom: var(--blog-space-head);
  white-space: nowrap;
  overflow: hidden;
  line-height: 1.6;
}

.section:has(> nav.breadcrumb),
.section:has(> nav.breadcrumbs),
.section:has(> .blog-breadcrumb) {
  padding-top: var(--blog-space-xl);
  padding-bottom: 0;
}

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

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

.crumb-nav [aria-hidden="true"],
nav.breadcrumb [aria-hidden="true"],
nav.breadcrumbs [aria-hidden="true"],
.blog-breadcrumb [aria-hidden="true"] {
  flex: 0 0 auto;
  opacity: var(--blog-crumb-divider-opacity);
}

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

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

.article-meta {
  color: var(--c-muted);
  font-family: var(--f-body);
  font-size: var(--blog-fs-crumb);
  line-height: 1.6;
}

.article-meta .tag {
  background: var(--c-panel);
  color: var(--c-accent);
  border-color: var(--c-border);
}

.post-hero h1 {
  max-width: 100%;
  margin-block: var(--blog-space-md);
  font-family: var(--f-display);
  font-size: var(--blog-fs-post-title);
  font-weight: var(--fw-display);
  line-height: var(--blog-lh-title);
  letter-spacing: var(--blog-title-tracking);
  overflow-wrap: break-word;
}

.entry-lead {
  color: var(--c-muted);
  font-family: var(--f-body);
  font-size: var(--blog-fs-lead);
  line-height: var(--blog-lh-lead);
}

.article-prose {
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--fs-body);
  line-height: var(--blog-lh-body);
}

.article-prose h2 {
  margin-block: var(--blog-space-xl) var(--blog-space-md);
  font-family: var(--f-display);
  font-size: var(--blog-fs-h2);
  font-weight: var(--fw-heavy);
  line-height: 1.5;
}

.article-prose h3 {
  margin-block: var(--blog-space-lg) var(--blog-space-sm);
  font-family: var(--f-display);
  font-size: var(--blog-fs-h3);
  font-weight: var(--fw-bold);
  line-height: 1.5;
}

.article-prose > h2:first-child,
.article-prose > section:first-child > h2:first-child {
  margin-top: 0;
}

.article-prose section {
  padding-block: 0;
  margin-block: var(--blog-space-xl);
}

.article-prose section > h2:first-child {
  margin-top: 0;
}

.article-prose p,
.article-prose ul,
.article-prose ol,
.article-prose pre,
.article-prose blockquote,
.article-prose .table-scroll {
  margin-block: var(--blog-space-md);
}

.article-prose li + li {
  margin-top: var(--blog-space-xs);
}

.article-prose a:not([class*="btn"]):not([class*="button"]),
.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--c-accent);
  text-underline-offset: 0.2em;
}

.article-prose a:not([class*="btn"]):not([class*="button"]):hover,
.prose a:not([class*="btn"]):not([class*="button"]):hover {
  text-decoration-thickness: 2px;
}

.article-prose :not(pre) > code {
  padding: 0.12em 0.3em;
  border-radius: var(--r-small);
  background: var(--c-panel-2);
  color: var(--c-accent);
  font-family: var(--f-mono);
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.article-prose pre {
  max-width: 100%;
  overflow-x: auto;
  padding: var(--blog-space-lg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-mini);
  background: var(--c-panel);
  color: var(--c-text);
  font-family: var(--f-mono);
  font-size: var(--fs-small);
  line-height: var(--blog-lh-lead);
}

.article-prose pre code {
  color: inherit;
  font-family: inherit;
  white-space: pre;
  overflow-wrap: normal;
  word-break: normal;
}

.article-prose blockquote {
  padding: var(--blog-space-md) var(--blog-space-lg);
  border-inline-start: 3px solid var(--c-accent);
  border-radius: var(--r-small);
  background: var(--c-panel);
  color: var(--c-text);
}

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

.article-prose table {
  display: block;
  max-width: 100%;
  overflow-x: auto;
  border-collapse: collapse;
  font-size: var(--fs-small);
}

.article-prose .table-scroll table {
  display: table;
  width: 100%;
}

.article-prose th,
.article-prose td {
  min-width: 7em;
  padding: var(--blog-space-sm) var(--blog-space-md);
  border: 1px solid var(--c-border);
  text-align: start;
  vertical-align: top;
  word-break: normal;
  overflow-wrap: normal;
}

.article-prose th {
  background: var(--c-panel-2);
  color: var(--c-text);
  font-weight: var(--fw-bold);
}

.article-prose section[id],
.article-prose h2[id],
.article-prose h3[id] {
  scroll-margin-top: calc(var(--header-height) + var(--blog-space-md));
}

.dl-card {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--blog-space-lg);
  margin-block: var(--blog-space-xl);
  padding: var(--blog-space-lg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
}

.dl-card > div {
  flex: 1 1 260px;
  min-width: 0;
}

.dl-card h2,
.dl-card h3 {
  margin: 0 0 var(--blog-space-xs);
  color: var(--c-text);
  font-size: var(--blog-fs-h3);
  line-height: 1.5;
}

.dl-card p {
  margin: 0;
  color: var(--c-muted);
}

.dl-card .btn {
  flex: 0 1 auto;
}

#related-posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--blog-card-min)), 1fr));
  gap: var(--blog-space-lg);
  max-width: 820px;
  margin-block: var(--blog-space-lg) var(--blog-space-xl);
}

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

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

#post-nav .post-nav-card {
  display: block;
  padding: var(--blog-space-lg);
  border: 1px solid var(--c-border);
  border-radius: var(--r-mini);
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
  transition: border-color var(--motion-short) var(--ease);
}

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

#post-nav .post-nav-card--next {
  grid-column: 2;
}

.post-nav-card__direction {
  display: block;
  margin-bottom: var(--blog-space-xs);
  color: var(--c-accent);
  font-size: var(--fs-small);
}

.post-nav-card__title {
  display: block;
  color: var(--c-text);
  font-weight: var(--fw-medium);
  line-height: var(--blog-lh-lead);
  overflow-wrap: break-word;
}

body:has(.post-hero) {
  padding-bottom: calc(var(--blog-fab-reserve) + env(safe-area-inset-bottom, 0px));
}

/* 独立弹窗皮肤，不覆盖共享下载浮层及按钮组件。 */
.blog-download-dialog {
  position: fixed;
  inset: 0;
  width: 100%;
  max-width: none;
  height: 100%;
  max-height: none;
  box-sizing: border-box;
  margin: 0;
  padding: var(--blog-space-lg);
  border: 0;
  background: var(--c-clear);
  color: var(--c-text);
  opacity: 0;
  transition:
    opacity var(--motion-short) var(--ease),
    display var(--motion-short) allow-discrete,
    overlay var(--motion-short) allow-discrete;
}

.blog-download-dialog[open] {
  display: grid;
  place-items: center;
  opacity: 1;
}

.blog-download-dialog::backdrop {
  background: var(--c-black-a70);
  opacity: 0;
  transition:
    opacity var(--motion-short) var(--ease),
    display var(--motion-short) allow-discrete,
    overlay var(--motion-short) allow-discrete;
}

.blog-download-dialog[open]::backdrop {
  opacity: 1;
}

.blog-download-dialog__panel {
  position: relative;
  box-sizing: border-box;
  width: min(100%, var(--blog-modal-width));
  max-height: 100%;
  overflow-y: auto;
  padding: var(--blog-space-xl);
  border: 1px solid var(--c-border);
  border-radius: var(--r-card);
  background: var(--c-panel);
  color: var(--c-text);
  box-shadow: var(--shadow-pop);
  transform: translateY(0);
  transition: transform var(--motion-short) var(--ease);
}

.blog-download-dialog__close {
  position: absolute;
  top: var(--blog-space-xs);
  right: var(--blog-space-xs);
  display: grid;
  place-items: center;
  width: var(--blog-close-size);
  height: var(--blog-close-size);
  padding: 0;
  border: 1px solid var(--c-border);
  border-radius: var(--r-btn);
  background: var(--c-panel-2);
  color: var(--c-text);
  font-family: var(--f-body);
  font-size: var(--blog-fs-close);
  line-height: 1;
  cursor: pointer;
}

.blog-download-dialog__close:hover {
  border-color: var(--c-accent);
  color: var(--c-accent);
}

.blog-download-dialog__eyebrow {
  padding-right: var(--blog-close-size);
}

.blog-download-dialog__title {
  margin: var(--blog-space-md) 0;
  font-family: var(--f-display);
  font-size: var(--blog-fs-h2);
  font-weight: var(--fw-heavy);
  line-height: var(--blog-lh-title);
}

.blog-download-dialog__description {
  margin: 0 0 var(--blog-space-lg);
  color: var(--c-muted);
  font-size: var(--fs-body);
  line-height: var(--blog-lh-lead);
}

.blog-filter:focus-visible,
.blog-post-grid a:focus-visible,
#related-posts a:focus-visible,
#post-nav a:focus-visible,
.blog-download-dialog :focus-visible {
  outline: var(--blog-focus-width) solid var(--c-accent);
  outline-offset: var(--blog-focus-offset);
}

.blog-filter:focus-visible {
  outline-color: var(--c-ink);
}

@starting-style {
  .blog-download-dialog[open],
  .blog-download-dialog[open]::backdrop {
    opacity: 0;
  }

  .blog-download-dialog[open] .blog-download-dialog__panel {
    transform: translateY(var(--blog-dialog-shift));
  }
}

@media (max-width: 700px) {
  .blog-list-hero {
    padding-block: var(--blog-space-section);
  }

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

  .post-hero h1 {
    font-size: 1.5rem;
  }

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

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

  #post-nav .post-nav-card--next {
    grid-column: auto;
  }

  .blog-post-grid .article-card,
  #related-posts .article-card,
  .blog-download-dialog__panel {
    padding: var(--blog-space-lg);
  }
}

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

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

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

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

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

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

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

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

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

@media (max-width: 720px) {
  .part-stats, .part-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .part-config, .part-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 ═══ */
.crumb-nav, nav.breadcrumb, nav.breadcrumbs {
  max-width: 620px; 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;
}
.crumb-nav a, nav.breadcrumb a, nav.breadcrumbs a { text-decoration: none; color: inherit; opacity: 0.62; }
.crumb-nav a:hover, nav.breadcrumb a:hover, nav.breadcrumbs a:hover { opacity: 1; }
.crumb-nav [aria-hidden], nav.breadcrumb [aria-hidden], nav.breadcrumbs [aria-hidden] { opacity: 0.35; }
.crumb-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-hero { padding-block: 0.75rem 2rem; }
.hero-box { max-width: 620px; 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-box h1 { margin: 0; max-width: 100%; line-height: 1.28; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.entry-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: 620px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); padding-block: 0.25rem 3rem; }
.article-prose > h2:first-of-type { margin-top: 0; }