:root {
  --blog-space-1: 0.25rem;
  --blog-space-2: 0.5rem;
  --blog-space-3: 0.75rem;
  --blog-space-4: 1rem;
  --blog-space-5: 1.25rem;
  --blog-space-6: 1.5rem;
  --blog-space-8: 2rem;
  --blog-space-10: 2.5rem;
  --blog-space-12: 3rem;
  --blog-space-16: 4rem;
  --blog-space-20: 5rem;
  --blog-size-caption: 0.8125rem;
  --blog-size-small: 0.9375rem;
  --blog-size-body: 1rem;
  --blog-size-card: 1.25rem;
  --blog-size-h2: 1.5rem;
  --blog-size-dialog-title: 1.75rem;
  --blog-size-list-h1: clamp(2rem, 1.25rem + 3vw, 3rem);
  --blog-size-article-h1: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  --blog-size-lead: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem);
  --blog-size-mobile-h1: 1.875rem;
  --blog-leading-title: 1.32;
  --blog-leading-card: 1.5;
  --blog-leading-body: 1.8;
  --blog-leading-lead: 1.7;
  --blog-leading-ui: 1.5;
  --blog-tracking-title: -0.025em;
  --blog-control-height: 2.75rem;
  --blog-card-min: 18.75rem;
  --blog-related-width: 51.25rem;
  --blog-dialog-width: 29rem;
  --blog-dialog-offset: 0.75rem;
  --blog-dialog-duration: 160ms;
  --blog-breadcrumb-link-opacity: 0.72;
  --blog-breadcrumb-separator-opacity: 0.35;
  --blog-border-width: 1px;
  --blog-rule-width: 3px;
  --blog-focus-offset: 3px;
  --blog-focus-width: 2px;
  --blog-zero: 0;
}

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

.blog-skip {
  position: fixed;
  top: var(--blog-space-4);
  left: var(--gutter);
  z-index: var(--z-fab);
  padding: var(--blog-space-3) var(--blog-space-5);
  transform: translateY(-200%);
  border-radius: var(--r-control);
  background: var(--c-surface);
  color: var(--c-accent-dark);
  box-shadow: var(--sh-soft);
  font-size: var(--blog-size-body);
}

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

.blog-index-head {
  padding-block: var(--blog-space-16) var(--blog-space-10);
}

.blog-eyebrow {
  margin: var(--blog-zero) var(--blog-zero) var(--blog-space-5);
  color: var(--c-muted);
  font-size: var(--blog-size-caption);
  font-weight: var(--weight-medium);
}

.blog-index-head h1 {
  margin: var(--blog-zero);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-size-list-h1);
  font-weight: var(--weight-normal);
  line-height: var(--blog-leading-title);
  letter-spacing: var(--blog-tracking-title);
}

.blog-index-head h1 .keep {
  color: var(--c-accent-dark);
  white-space: nowrap;
}

.blog-index-intro {
  max-width: var(--width-reading);
  margin: var(--blog-space-6) var(--blog-zero) var(--blog-zero);
  color: var(--c-muted);
  font-size: var(--blog-size-lead);
  line-height: var(--blog-leading-lead);
}

.blog-catalog {
  padding-bottom: var(--blog-space-20);
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--blog-space-2);
  width: fit-content;
  max-width: 100%;
  padding: var(--blog-space-2);
  border-radius: var(--r-tray);
  background: var(--c-panel);
  color: var(--c-text);
}

.blog-filter-button {
  min-height: var(--blog-control-height);
  padding: var(--blog-space-2) var(--blog-space-5);
  border: var(--blog-border-width) solid var(--c-clear);
  border-radius: var(--r-pill);
  background: var(--c-clear);
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-small);
  font-weight: var(--weight-medium);
  line-height: var(--blog-leading-ui);
  cursor: pointer;
  transition: background var(--ease-ui), color var(--ease-ui), box-shadow var(--ease-ui);
}

.blog-filter-button:hover {
  background: var(--c-surface);
  color: var(--c-accent-dark);
}

.blog-filter-button[aria-pressed="true"] {
  background: var(--c-accent-soft);
  color: var(--c-accent-dark);
  box-shadow: var(--sh-xs);
}

.blog-list-status {
  margin-block: var(--blog-space-5) var(--blog-space-6);
  color: var(--c-muted);
  font-size: var(--blog-size-caption);
  line-height: var(--blog-leading-ui);
}

.blog-post-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-space-6);
  align-items: stretch;
}

.blog-post-card,
.blog-related-card {
  display: flex;
  flex-direction: column;
  min-width: var(--blog-zero);
  padding: var(--blog-space-8);
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: var(--sh-soft);
}

.blog-card-meta,
.post-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--blog-space-3);
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-caption);
  line-height: var(--blog-leading-ui);
}

.blog-card-meta time {
  font-family: var(--font-mono);
  font-size: var(--blog-size-caption);
}

.blog-category {
  background: var(--c-panel);
  color: var(--c-accent-dark);
  font-family: var(--font-body);
  font-size: var(--blog-size-caption);
  font-weight: var(--weight-medium);
}

.blog-card-title {
  margin: var(--blog-space-5) var(--blog-zero) var(--blog-space-3);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-size-card);
  font-weight: var(--weight-medium);
  line-height: var(--blog-leading-card);
  overflow-wrap: anywhere;
}

.blog-card-title a,
.blog-card-title a:visited {
  color: var(--c-text);
  text-decoration: none;
}

.blog-card-title a:hover {
  color: var(--c-accent-dark);
}

.blog-card-summary {
  margin: var(--blog-zero) var(--blog-zero) var(--blog-space-6);
  color: var(--c-muted);
  font-size: var(--blog-size-small);
  line-height: var(--blog-leading-body);
  overflow-wrap: anywhere;
}

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

.blog-card-read:hover {
  text-decoration: underline;
  text-underline-offset: var(--blog-space-1);
}

.blog-empty {
  grid-column: 1 / -1;
  margin: var(--blog-zero);
  padding: var(--blog-space-8);
  border-radius: var(--r-lg);
  background: var(--c-panel);
  color: var(--c-muted);
  font-size: var(--blog-size-body);
  line-height: var(--blog-leading-body);
}

.blog-empty a {
  color: var(--c-accent-dark);
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  margin-top: var(--blog-space-6);
  margin-bottom: var(--blog-space-5);
  padding-block: var(--blog-zero);
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs,
.crumb-nav {
  display: flex;
  align-items: center;
  gap: var(--blog-space-2);
  overflow: hidden;
  white-space: nowrap;
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-caption);
  line-height: var(--blog-leading-ui);
}

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

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

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

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

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

.article-head h1 {
  max-width: 100%;
  margin-block: var(--blog-space-4);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-size-article-h1);
  font-weight: var(--weight-normal);
  line-height: var(--blog-leading-title);
  letter-spacing: var(--blog-tracking-title);
  overflow-wrap: break-word;
}

.entry-lead {
  color: var(--c-muted);
  font-family: var(--font-body);
  font-size: var(--blog-size-lead);
  font-weight: var(--weight-normal);
  line-height: var(--blog-leading-lead);
}

.prose {
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--blog-size-body);
  line-height: var(--blog-leading-body);
  overflow-wrap: break-word;
}

.prose :is(h2, h3) {
  color: var(--c-text);
  font-family: var(--font-display);
  font-weight: var(--weight-medium);
  line-height: var(--blog-leading-title);
  scroll-margin-top: calc(var(--header-height) + var(--blog-space-6));
}

.prose h2 {
  margin-block: var(--blog-space-8) var(--blog-space-4);
  font-size: var(--blog-size-h2);
}

.prose h3 {
  margin-block: var(--blog-space-6) var(--blog-space-3);
  font-size: var(--blog-size-card);
}

.prose > h2:first-of-type,
.prose section > h2:first-child {
  margin-top: var(--blog-zero);
}

.prose section,
.prose section.section {
  margin-block: var(--blog-zero);
  padding-block: var(--blog-zero);
}

.prose section + section {
  margin-top: var(--blog-space-8);
}

.prose :is(p, ul, ol, dl, blockquote, pre, figure, .table-scroll) {
  margin-block: var(--blog-space-4);
}

.prose :is(ul, ol) {
  padding-inline-start: var(--blog-space-6);
}

.prose li + li {
  margin-top: var(--blog-space-2);
}

.prose a:not([class*="btn"]):not([class*="button"]) {
  color: var(--c-accent-dark);
  text-decoration-thickness: var(--blog-border-width);
  text-underline-offset: var(--blog-space-1);
}

.prose a:not([class*="btn"]):not([class*="button"]):hover {
  text-decoration: underline;
}

.prose blockquote {
  padding: var(--blog-space-4) var(--blog-space-5);
  border-inline-start: var(--blog-rule-width) solid var(--c-accent);
  border-radius: var(--r-sm);
  background: var(--c-panel);
  color: var(--c-text);
}

.prose :not(pre) > code {
  padding: var(--blog-space-1) var(--blog-space-2);
  border-radius: var(--r-xs);
  background: var(--c-panel);
  color: var(--c-accent-dark);
  font-family: var(--font-mono);
  font-size: var(--fs-code);
  overflow-wrap: anywhere;
}

.prose pre {
  max-width: 100%;
  overflow-x: auto;
  padding: var(--blog-space-5);
  border-radius: var(--r-md);
  background: var(--c-panel);
  color: var(--c-text);
  font-family: var(--font-mono);
  font-size: var(--fs-code);
  line-height: var(--blog-leading-lead);
  white-space: pre;
}

.prose pre code {
  font-family: inherit;
  font-size: inherit;
}

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

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

.prose :is(th, td) {
  min-width: 7em;
  padding: var(--blog-space-3) var(--blog-space-4);
  border-bottom: var(--blog-border-width) solid var(--c-border);
  text-align: start;
  vertical-align: top;
}

.prose th {
  background: var(--c-panel);
  color: var(--c-text);
  font-weight: var(--weight-medium);
}

.prose img,
.prose svg {
  max-width: 100%;
  height: auto;
}

.dl-card {
  margin-block: var(--blog-space-8);
  padding: var(--blog-space-8);
  border-radius: var(--r-tray);
  background: var(--c-panel);
  color: var(--c-text);
}

.dl-card h2 {
  margin: var(--blog-zero) var(--blog-zero) var(--blog-space-3);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-normal);
  line-height: var(--blog-leading-title);
}

.dl-card p {
  margin-block: var(--blog-zero) var(--blog-space-5);
  color: var(--c-muted);
  font-size: var(--blog-size-body);
  line-height: var(--blog-leading-lead);
}

#related-posts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--blog-card-min)), 1fr));
  gap: var(--blog-space-5);
  width: 100%;
  max-width: var(--blog-related-width);
  margin-block: var(--blog-space-5) var(--blog-space-8);
}

.blog-related-card {
  padding: var(--blog-space-6);
}

#post-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--blog-space-5);
  margin-block: var(--blog-space-8) var(--blog-space-12);
}

.blog-post-nav-link {
  display: flex;
  flex-direction: column;
  gap: var(--blog-space-3);
  min-width: var(--blog-zero);
  padding: var(--blog-space-6);
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-lg);
  background: var(--c-panel);
  color: var(--c-text);
  text-decoration: none;
}

.blog-post-nav-previous {
  grid-column: 1;
}

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

.blog-post-nav-caption {
  color: var(--c-accent-dark);
  font-size: var(--blog-size-small);
  font-weight: var(--weight-medium);
}

.blog-post-nav-title {
  color: var(--c-text);
  font-size: var(--blog-size-body);
  line-height: var(--blog-leading-lead);
  overflow-wrap: anywhere;
}

.blog-post-nav-date {
  margin-top: auto;
  color: var(--c-muted);
  font-family: var(--font-mono);
  font-size: var(--blog-size-caption);
}

.blog-post-nav-link:hover .blog-post-nav-title {
  color: var(--c-accent-dark);
}

body.blog-dialog-open {
  overflow: hidden;
}

.blog-download-dialog {
  position: fixed;
  inset: var(--blog-zero);
  box-sizing: border-box;
  width: min(var(--blog-dialog-width), calc(100% - var(--gutter) - var(--gutter)));
  max-height: calc(100dvh - var(--blog-space-8));
  overflow-y: auto;
  margin: auto;
  padding: var(--blog-space-10);
  border: var(--blog-border-width) solid var(--c-border);
  border-radius: var(--r-xl);
  background: var(--c-surface);
  color: var(--c-text);
  box-shadow: var(--sh-float);
  font-family: var(--font-body);
  opacity: 0;
  transform: translateY(var(--blog-dialog-offset));
  transition: opacity var(--blog-dialog-duration) ease, transform var(--blog-dialog-duration) ease;
}

.blog-download-dialog::backdrop {
  background: var(--c-veil);
  opacity: 0;
  transition: opacity var(--blog-dialog-duration) ease;
}

.blog-download-dialog.is-open {
  opacity: 1;
  transform: translateY(0);
}

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

.blog-dialog-close {
  position: absolute;
  top: var(--blog-space-3);
  right: var(--blog-space-3);
  display: grid;
  place-items: center;
  width: var(--blog-control-height);
  height: var(--blog-control-height);
  padding: var(--blog-zero);
  border: var(--blog-border-width) solid var(--c-clear);
  border-radius: var(--r-round);
  background: var(--c-panel);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--blog-size-h2);
  font-weight: var(--weight-normal);
  line-height: var(--blog-leading-ui);
  cursor: pointer;
}

.blog-dialog-close:hover {
  background: var(--c-panel-2);
  color: var(--c-text);
}

.blog-dialog-eyebrow {
  margin: var(--blog-zero) var(--blog-space-10) var(--blog-space-5) var(--blog-zero);
  color: var(--c-accent-dark);
  font-size: var(--blog-size-caption);
  font-weight: var(--weight-medium);
}

.blog-dialog-title {
  margin: var(--blog-zero) var(--blog-zero) var(--blog-space-4);
  color: var(--c-text);
  font-family: var(--font-display);
  font-size: var(--blog-size-dialog-title);
  font-weight: var(--weight-normal);
  line-height: var(--blog-leading-title);
}

.blog-dialog-description {
  margin: var(--blog-zero) var(--blog-zero) var(--blog-space-6);
  color: var(--c-muted);
  font-size: var(--blog-size-body);
  line-height: var(--blog-leading-lead);
}

.blog-dialog-action {
  width: 100%;
  box-sizing: border-box;
  text-align: center;
}

:is(.blog-filter-button, .blog-card-title a, .blog-card-read, .blog-post-nav-link, .blog-dialog-close, .blog-dialog-action, .blog-skip):focus-visible,
:is(.blog-breadcrumb, nav.breadcrumb, nav.breadcrumbs, .crumb-nav) a:focus-visible {
  outline: var(--blog-focus-width) solid var(--c-accent-dark);
  outline-offset: var(--blog-focus-offset);
}

@media (max-width: 760px) {
  .blog-index-head {
    padding-block: var(--blog-space-10) var(--blog-space-8);
  }

  .blog-index-head h1 {
    font-size: var(--blog-size-mobile-h1);
  }

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

  .blog-post-card {
    padding: var(--blog-space-6);
  }

  .blog-catalog {
    padding-bottom: var(--blog-space-12);
  }

  .dl-card {
    padding: var(--blog-space-6);
  }
}

@media (max-width: 600px) {
  .article-head h1 {
    font-size: var(--blog-size-h2);
  }

  .blog-filter {
    gap: var(--blog-space-1);
    padding: var(--blog-space-1);
    border-radius: var(--r-lg);
  }

  .blog-filter-button {
    padding-inline: var(--blog-space-3);
  }

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

  .blog-post-nav-previous,
  .blog-post-nav-next {
    grid-column: 1;
  }

  .blog-download-dialog {
    padding: var(--blog-space-8) var(--blog-space-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .blog-filter-button,
  .blog-download-dialog,
  .blog-download-dialog::backdrop {
    transition: none;
  }

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

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

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

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

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

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

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

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

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

@media (max-width: 720px) {
  .spot-stats, .spot-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .spot-config, .spot-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: 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;
}
.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;
}
.article-head { padding-block: 0.75rem 1.75rem; }
.hero-box { max-width: 660px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); }
.post-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; }
.prose { max-width: 660px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px); padding-block: 0.25rem 3rem; }
.prose > h2:first-of-type { margin-top: 0; }