:root {
  --blog-space-2xs: 0.375rem;
  --blog-space-xs: 0.5rem;
  --blog-space-sm: 0.75rem;
  --blog-space-md: 1rem;
  --blog-space-lg: 1.25rem;
  --blog-space-xl: 1.75rem;
  --blog-space-2xl: 2.5rem;
  --blog-space-3xl: 4rem;
  --blog-card-min: 18.75rem;
  --blog-readable-wide: 51.25rem;
  --blog-control-size: 2.75rem;
  --blog-dialog-width: 30rem;
  --blog-dialog-layer: 120;
  --blog-border-thin: 1px;
  --blog-transition-fast: 180ms ease;
  --blog-transition-dialog: 220ms ease;
  --blog-shadow-card: 0 1.25rem 3.5rem color-mix(in srgb, var(--color-bg) 72%, transparent);
  --blog-shadow-dialog: 0 2rem 5rem color-mix(in srgb, var(--color-bg) 82%, transparent);
  --blog-overlay: color-mix(in srgb, var(--color-bg) 84%, transparent);
  --blog-muted-border: color-mix(in srgb, var(--color-border) 78%, transparent);
  --blog-accent-wash: color-mix(in srgb, var(--color-accent) 12%, var(--color-panel));
  --blog-focus-ring: 0 0 0 3px color-mix(in srgb, var(--color-accent) 34%, transparent);
}

.blog-hero {
  padding-block: var(--blog-space-3xl) var(--blog-space-2xl);
}

.blog-kicker,
.section-eyebrow,
.article-download-dialog-eyebrow {
  margin: 0 0 var(--blog-space-sm);
  color: var(--color-accent);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.blog-hero h1 {
  max-width: 100%;
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.875rem, 1.35rem + 2vw, 3rem);
  font-weight: 400;
  line-height: 1.18;
  letter-spacing: -0.035em;
}

.blog-hero-copy {
  max-width: 42rem;
  margin: var(--blog-space-lg) 0 0;
  color: var(--color-text-soft);
  font-size: clamp(1rem, 0.94rem + 0.3vw, 1.125rem);
  line-height: 1.75;
}

.blog-index-section {
  padding-block: var(--blog-space-2xl) var(--section-space);
}

.blog-index-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: var(--blog-space-xl);
  margin-bottom: var(--blog-space-2xl);
}

.blog-index-head h2 {
  margin: 0;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.25rem + 0.7vw, 2rem);
  font-weight: 400;
  line-height: 1.25;
}

.blog-filter {
  display: flex;
  flex-wrap: wrap;
  gap: var(--blog-space-xs);
}

.blog-filter button {
  appearance: none;
  min-height: var(--blog-control-size);
  padding: var(--blog-space-sm) var(--blog-space-md);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text-soft);
  font: inherit;
  cursor: pointer;
  transition:
    background var(--blog-transition-fast),
    border-color var(--blog-transition-fast),
    color var(--blog-transition-fast);
}

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

.blog-filter button[aria-pressed="true"] {
  border-color: var(--color-panel-raised);
  background: var(--color-panel-raised);
  color: var(--color-text);
}

.blog-filter button:focus-visible,
.article-card a:focus-visible,
.related-card a:focus-visible,
.post-nav-card:focus-visible,
.article-download-dialog button:focus-visible,
.article-download-dialog a:focus-visible {
  outline: none;
  box-shadow: var(--blog-focus-ring);
}

.blog-card-list {
  display: grid;
  gap: var(--blog-space-lg);
}

.article-card {
  position: relative;
  padding: clamp(1.25rem, 1rem + 1vw, 2rem);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel);
  box-shadow: var(--blog-shadow-card);
  transition:
    border-color var(--blog-transition-fast),
    transform var(--blog-transition-fast);
}

.article-card:hover {
  border-color: color-mix(in srgb, var(--color-accent) 48%, var(--color-border));
  transform: translateY(-2px);
}

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

.article-tag {
  padding: var(--blog-space-2xs) var(--blog-space-sm);
  border: var(--blog-border-thin) solid var(--blog-muted-border);
  border-radius: var(--radius-pill);
  color: var(--color-accent);
}

.article-card h3 {
  max-width: 44rem;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.1875rem, 1.05rem + 0.55vw, 1.5rem);
  font-weight: 400;
  line-height: 1.45;
}

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

.article-card h3 a::after {
  position: absolute;
  inset: 0;
  border-radius: var(--radius-card);
  content: "";
}

.article-card p {
  max-width: 48rem;
  margin: var(--blog-space-md) 0 0;
  color: var(--color-text-soft);
  line-height: 1.75;
}

.article-card-link {
  position: relative;
  z-index: 1;
  display: inline-flex;
  margin-top: var(--blog-space-lg);
  color: var(--color-accent);
  font-weight: 500;
  text-decoration: none;
}

.article-card-link::after {
  margin-left: var(--blog-space-xs);
  content: "→";
}

.blog-empty-state {
  margin: var(--blog-space-2xl) 0 0;
  padding: var(--blog-space-xl);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  color: var(--color-text-muted);
  text-align: center;
}

.crumbs,
.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  color: var(--color-text-muted);
  font-size: 0.8125rem;
}

.blog-breadcrumb,
nav.breadcrumb,
nav.breadcrumbs {
  display: flex;
  gap: var(--blog-space-xs);
  margin-top: var(--blog-space-lg);
  overflow: hidden;
  white-space: nowrap;
}

.crumbs a,
.blog-breadcrumb a,
nav.breadcrumb a,
nav.breadcrumbs a {
  color: color-mix(in srgb, var(--color-text-muted) 60%, transparent);
  text-decoration: none;
}

.crumbs a:hover,
.blog-breadcrumb a:hover,
nav.breadcrumb a:hover,
nav.breadcrumbs a:hover {
  color: var(--color-text);
}

.crumbs .separator,
.blog-breadcrumb .separator,
nav.breadcrumb .separator,
nav.breadcrumbs .separator {
  color: color-mix(in srgb, var(--color-text-muted) 35%, transparent);
}

.crumbs [aria-current="page"],
.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-text-muted);
  text-overflow: ellipsis;
}

.article-head {
  color: var(--color-text);
}

.article-head .article-meta {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.article-head h1 {
  max-width: 100%;
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem);
  font-weight: 400;
  line-height: 1.32;
  letter-spacing: -0.025em;
}

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

.entry-body {
  color: var(--color-text-soft);
  font-size: 1rem;
  line-height: 1.85;
}

.entry-body > :first-child {
  margin-top: 0;
}

.entry-body h2 {
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 1.12rem + 0.45vw, 1.5rem);
  font-weight: 500;
  line-height: 1.4;
}

.entry-body h2:first-of-type {
  margin-top: 0;
}

.entry-body h2:not(:first-of-type) {
  margin-top: var(--blog-space-2xl);
}

.entry-body h3 {
  margin-top: var(--blog-space-xl);
  color: var(--color-text);
  font-family: var(--font-display);
  font-size: clamp(1.125rem, 1.04rem + 0.3vw, 1.25rem);
  font-weight: 500;
  line-height: 1.45;
}

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

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

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

.entry-body code {
  padding: 0.12em 0.35em;
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-small);
  background: var(--color-panel-raised);
  color: var(--color-text);
  font-family: var(--font-mono);
  font-size: 0.9em;
}

.entry-body pre {
  overflow-x: auto;
  padding: var(--blog-space-lg);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.entry-body pre code {
  padding: 0;
  border: 0;
  background: transparent;
}

.entry-body blockquote {
  padding: var(--blog-space-sm) 0 var(--blog-space-sm) var(--blog-space-lg);
  border-left: 2px solid var(--color-accent);
  color: var(--color-text-soft);
}

.entry-body section + section {
  margin-top: var(--blog-space-2xl);
}

.download-note-card,
.dl-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--blog-space-xl);
  margin-top: var(--blog-space-2xl);
  padding: clamp(1.25rem, 1rem + 1vw, 2rem);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--blog-accent-wash);
  box-shadow: var(--blog-shadow-card);
}

.download-note-card h2,
.dl-card h2 {
  margin: 0;
  color: var(--color-text);
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
}

.download-note-card p,
.dl-card p {
  margin: var(--blog-space-xs) 0 0;
  color: var(--color-text-soft);
}

.related-section {
  margin-top: var(--blog-space-3xl);
}

.related-section > h2,
.post-navigation-section > h2 {
  margin: 0 0 var(--blog-space-lg);
  color: var(--color-text);
  font-size: clamp(1.25rem, 1.1rem + 0.5vw, 1.5rem);
  font-weight: 500;
}

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

.related-card {
  min-width: 0;
  padding: var(--blog-space-lg);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
}

.related-card-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--blog-space-sm);
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.related-card-meta span {
  color: var(--color-accent);
}

.related-card h3 {
  margin: var(--blog-space-md) 0 0;
  font-size: 1.0625rem;
  font-weight: 500;
  line-height: 1.5;
}

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

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

.related-card p {
  margin: var(--blog-space-sm) 0 0;
  color: var(--color-text-muted);
  font-size: 0.9375rem;
  line-height: 1.7;
}

.post-navigation-section {
  margin-top: var(--blog-space-2xl);
}

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

.post-nav-card {
  display: flex;
  min-width: 0;
  flex-direction: column;
  gap: var(--blog-space-sm);
  padding: var(--blog-space-lg);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-medium);
  background: var(--color-panel);
  color: var(--color-text);
  text-decoration: none;
  transition:
    border-color var(--blog-transition-fast),
    background var(--blog-transition-fast);
}

.post-nav-card:hover {
  border-color: var(--color-accent);
  background: var(--color-panel-raised);
}

.post-nav-label {
  color: var(--color-text-muted);
  font-family: var(--font-mono);
  font-size: 0.75rem;
}

.post-nav-card strong {
  font-size: 0.9375rem;
  font-weight: 500;
  line-height: 1.55;
}

.article-download-dialog {
  position: fixed;
  z-index: var(--blog-dialog-layer);
  inset: 0;
  display: grid;
  place-items: center;
  padding: var(--blog-space-lg);
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--blog-transition-dialog);
}

.article-download-dialog.is-open {
  opacity: 1;
  pointer-events: auto;
}

.article-download-dialog-backdrop {
  position: absolute;
  inset: 0;
  width: 100%;
  border: 0;
  background: var(--blog-overlay);
  cursor: default;
}

.article-download-dialog-panel {
  position: relative;
  width: min(100%, var(--blog-dialog-width));
  padding: var(--blog-space-2xl);
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-card);
  background: var(--color-panel-raised);
  box-shadow: var(--blog-shadow-dialog);
  color: var(--color-text);
  transform: translateY(var(--blog-space-sm)) scale(0.98);
  transition: transform var(--blog-transition-dialog);
}

.article-download-dialog.is-open .article-download-dialog-panel {
  transform: translateY(0) scale(1);
}

.article-download-dialog-panel h2 {
  margin: 0;
  padding-right: var(--blog-space-2xl);
  font-family: var(--font-display);
  font-size: 1.5rem;
  font-weight: 500;
  line-height: 1.35;
}

.article-download-dialog-panel > p:not(.article-download-dialog-eyebrow) {
  margin: var(--blog-space-md) 0 var(--blog-space-xl);
  color: var(--color-text-soft);
  line-height: 1.7;
}

.article-download-dialog-close {
  position: absolute;
  top: var(--blog-space-md);
  right: var(--blog-space-md);
  display: grid;
  width: var(--blog-control-size);
  height: var(--blog-control-size);
  place-items: center;
  border: var(--blog-border-thin) solid var(--color-border);
  border-radius: var(--radius-pill);
  background: var(--color-panel);
  color: var(--color-text);
  font: inherit;
  font-size: 1.5rem;
  cursor: pointer;
}

.article-download-dialog-close:hover {
  border-color: var(--color-accent);
}

@media (max-width: 51.25rem) {
  .blog-index-head {
    align-items: flex-start;
    flex-direction: column;
  }

  #related-posts {
    grid-template-columns: repeat(auto-fit, minmax(min(100%, var(--blog-card-min)), 1fr));
  }
}

@media (max-width: 40rem) {
  .blog-hero {
    padding-block: var(--blog-space-2xl);
  }

  .blog-hero h1 {
    font-size: clamp(1.5rem, 1.2rem + 1.8vw, 1.875rem);
  }

  .blog-filter {
    width: 100%;
  }

  .blog-filter button {
    flex: 1 1 auto;
  }

  .download-note-card,
  .dl-card {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .article-download-dialog-panel {
    padding: var(--blog-space-xl);
  }
}

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

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

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

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

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

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

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

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

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

@media (max-width: 720px) {
  .tip-stats, .tip-stats[data-cols="4"] { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .tip-config, .tip-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 ═══ */
.crumbs, nav.breadcrumb, nav.breadcrumbs {
  max-width: 700px; margin-inline: auto; padding-inline: clamp(16px, 4vw, 24px);
  display: flex; align-items: center; gap: 0.5rem;
  white-space: nowrap; overflow: hidden;
  font-size: 13px; line-height: 1.5;
  margin-top: 1.5rem; margin-bottom: 1.25rem;
}
.crumbs a, nav.breadcrumb a, nav.breadcrumbs a { text-decoration: none; color: inherit; opacity: 0.62; }
.crumbs a:hover, nav.breadcrumb a:hover, nav.breadcrumbs a:hover { opacity: 1; }
.crumbs [aria-hidden], nav.breadcrumb [aria-hidden], nav.breadcrumbs [aria-hidden] { opacity: 0.35; }
.crumbs [aria-current="page"], nav.breadcrumb [aria-current="page"], nav.breadcrumbs [aria-current="page"] {
  max-width: 30ch; overflow: hidden; text-overflow: ellipsis; flex: 0 1 auto; min-width: 0; opacity: 0.85;
}
.article-head { padding-block: 0.75rem 1.5rem; }
.intro-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; }
.intro-inner h1 { margin: 0; max-width: 100%; line-height: 1.28; font-size: clamp(1.5rem, 1.1rem + 1.4vw, 2rem); }
.intro-lead { margin: 1.2rem 0 0; font-size: clamp(0.9375rem, 0.85rem + 0.45vw, 1.125rem); line-height: 1.7; opacity: 0.82; }
.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; }