/* SEO / GEO 内容区块 — 轻量样式，不破坏现有设计 */
.seo-semantic-band,
.seo-local-section,
.seo-faq-section,
.seo-geo-section {
  padding: 56px 0;
}
.seo-semantic-band {
  background: linear-gradient(180deg, #f8fafc 0%, #fff 100%);
  border-top: 1px solid rgba(11, 62, 154, 0.06);
}
.seo-semantic-band .container,
.seo-local-section .container,
.seo-faq-section .container,
.seo-geo-section .container {
  max-width: var(--max-width, 1120px);
  margin: 0 auto;
  padding: 0 20px;
}
.seo-semantic-band p,
.seo-local-section p {
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-text, #4b5563);
  max-width: 900px;
}
.seo-local-section {
  background: #f0f4fc;
}
.seo-local-section h2,
.seo-faq-section h2,
.seo-geo-section h2 {
  font-size: 26px;
  font-weight: 700;
  color: var(--color-dark, #111827);
  margin-bottom: 16px;
}
.seo-local-section .eyebrow,
.seo-faq-section .eyebrow {
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--color-primary-light, #1f6fe0);
  margin-bottom: 8px;
  display: block;
}
.seo-faq-section {
  background: #fff;
}
.seo-faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.seo-faq-item {
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  padding: 20px 0;
}
.seo-faq-item:first-child { padding-top: 0; }
.seo-faq-item h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-dark, #111827);
  margin-bottom: 10px;
}
.seo-faq-item p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--color-text, #4b5563);
}
.seo-geo-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 24px;
  max-width: 960px;
  margin: 0 auto;
}
.seo-geo-card {
  background: #f8fafc;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-lg, 18px);
  padding: 24px;
}
.seo-geo-card h3 {
  font-size: 18px;
  font-weight: 600;
  color: var(--color-dark, #111827);
  margin-bottom: 12px;
}
.seo-geo-card p {
  font-size: 14px;
  line-height: 1.65;
  color: var(--color-text, #4b5563);
}
.seo-internal-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  margin-top: 16px;
  font-size: 14px;
}
.seo-internal-links a {
  color: var(--color-primary, #0b3e9a);
  font-weight: 500;
  text-decoration: none;
}
.seo-internal-links a:hover { text-decoration: underline; }
.seo-article-toc {
  max-width: 920px;
  margin: 0 auto;
  padding: 30px;
  background: #fff;
  border: 1px solid rgba(11, 62, 154, 0.1);
  border-radius: 18px;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.06);
}
.seo-article-toc h2 {
  font-size: 24px;
  color: var(--color-dark, #111827);
  margin: 8px 0 16px;
}
.seo-article-toc ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px 22px;
  margin: 0;
  padding-left: 20px;
}
.seo-article-toc li {
  color: var(--color-primary, #0b3e9a);
  font-size: 15px;
  line-height: 1.6;
  padding-left: 4px;
}
.seo-article-toc a {
  color: var(--color-dark, #111827);
  text-decoration: none;
  font-weight: 600;
}
.seo-article-toc a:hover { color: var(--color-primary, #0b3e9a); }
.seo-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 20px 45px rgba(15, 23, 42, 0.05);
}
.seo-comparison-table {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 15px;
}
.seo-comparison-table th,
.seo-comparison-table td {
  padding: 18px 20px;
  text-align: left;
  border-bottom: 1px solid var(--color-border, #e5e7eb);
  vertical-align: top;
  line-height: 1.6;
}
.seo-comparison-table tr:last-child td { border-bottom: 0; }
.seo-comparison-table th {
  background: #eef4ff;
  color: var(--color-dark, #111827);
  font-weight: 700;
}
.seo-comparison-table td:first-child {
  width: 18%;
  color: var(--color-dark, #111827);
  font-weight: 700;
}
.seo-comparison-table td:nth-child(2) { color: #7f1d1d; }
.seo-comparison-table td:nth-child(3) { color: #065f46; }
.seo-callout {
  margin-top: 28px;
  padding: 20px 22px;
  border-left: 4px solid var(--color-primary, #0b3e9a);
  background: #fff;
  border-radius: 14px;
  color: var(--color-text, #4b5563);
  line-height: 1.75;
  box-shadow: 0 16px 36px rgba(15, 23, 42, 0.05);
}
.seo-callout strong { color: var(--color-dark, #111827); }
.seo-related-section {
  padding: 42px 0 70px;
  background: #fff;
}
.seo-related-box {
  padding: 28px;
  border-radius: 18px;
  background: #f8fafc;
  border: 1px solid var(--color-border, #e5e7eb);
}
.seo-related-box h2 {
  font-size: 22px;
  margin-bottom: 16px;
  color: var(--color-dark, #111827);
}
.seo-related-box ul {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  list-style: none;
  margin: 0;
  padding: 0;
}
.seo-related-box a {
  color: var(--color-primary, #0b3e9a);
  font-weight: 600;
  text-decoration: none;
}
.seo-related-box a:hover { text-decoration: underline; }
.seo-key-services {
  padding: 48px 0 64px;
  background: #fff;
}
.seo-key-services .service-seo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 20px;
  margin-top: 28px;
}
.seo-service-card {
  border: 1px solid var(--color-border, #e5e7eb);
  border-radius: var(--radius-lg, 18px);
  padding: 22px;
  background: #fafbfc;
}
.seo-service-card h3 {
  font-size: 17px;
  font-weight: 600;
  color: var(--color-dark, #111827);
  margin-bottom: 10px;
}
.seo-service-card p {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-text, #4b5563);
  margin-bottom: 12px;
}
.seo-service-card .seo-tags {
  font-size: 12px;
  color: #6b7280;
  line-height: 1.5;
}
.ail-page .seo-faq-section.ail-faq-light {
  background: #fff;
}
.ail-page .seo-faq-section.ail-faq-light h2,
.ail-page .seo-faq-section.ail-faq-light h3 {
  color: #111827;
}
.ail-page .seo-faq-section.ail-faq-light .seo-faq-list {
  max-width: 820px;
}
.ail-page .seo-faq-section.ail-faq-light .seo-faq-item {
  border-color: #e5e7eb;
}
.ail-page .seo-faq-section.ail-faq-light .seo-faq-item p {
  color: #4b5563;
}
.ail-page .seo-faq-section.ail-faq-light .ail-btn-ghost {
  color: #1d4ed8;
  background: #eff6ff;
  border-color: #bfdbfe;
}
.ail-page .seo-faq-section.ail-faq-light .ail-btn-ghost:hover {
  color: #1e3a8a;
  border-color: #60a5fa;
  box-shadow: 0 10px 24px rgba(29, 78, 216, 0.16);
}
.ail-page .seo-geo-section.ail-geo-light .seo-geo-card {
  background: rgba(255, 255, 255, 0.06);
  border-color: rgba(255, 255, 255, 0.1);
}
.ail-page .seo-geo-section.ail-geo-light .seo-geo-card h3 { color: #fff; }
.ail-page .seo-geo-section.ail-geo-light .seo-geo-card p { color: #94a3b8; }
@media (max-width: 768px) {
  .seo-geo-grid { grid-template-columns: 1fr; }
  .seo-article-toc { padding: 24px 20px; }
  .seo-article-toc ol { grid-template-columns: 1fr; }
  .seo-related-box ul { display: grid; gap: 10px; }
}

/* Reading-style landing page, adapted from the Claude article layout */
.article-reading-page {
  background: #fff;
}
.article-reading-page main {
  font-family: 'Noto Sans SC', 'Inter', -apple-system, BlinkMacSystemFont, sans-serif;
  color: #111827;
}
.article-reading-page .site-header.internal-page-header {
  box-shadow: 0 1px 0 rgba(17, 24, 39, 0.08);
}
.article-reading-page .page-hero-banner {
  background:
    radial-gradient(circle at 18% 22%, rgba(255, 255, 255, 0.1) 0 1px, transparent 1px),
    linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 56%, #2563eb 100%);
  background-size: 34px 34px, auto;
  border-bottom: 0;
}
.article-reading-page .page-hero-banner > .container {
  max-width: 780px;
  padding: 64px 24px 60px;
  text-align: left;
}
.article-reading-page .page-hero-banner .eyebrow-text {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.14);
  border: 1px solid rgba(255, 255, 255, 0.24);
  color: #bfdbfe;
  font-size: 12px;
  letter-spacing: 0.1em;
}
.article-reading-page .page-hero-banner h1 {
  max-width: 650px !important;
  margin: 20px 0 0;
  font-family: 'Noto Serif SC', serif;
  font-size: 34px;
  line-height: 1.34;
  text-align: left;
  color: #fff;
}
.article-reading-page .page-hero-banner p {
  max-width: 620px !important;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  text-align: left;
  color: #bfdbfe;
}
.article-reading-page .article-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}
.article-reading-page .article-hero-tags span {
  padding: 6px 11px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.1);
  color: #dbeafe;
  font-size: 12px;
  line-height: 1.3;
}
.article-reading-page .article-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 24px;
}
.article-reading-page .hero-primary-link,
.article-reading-page .hero-secondary-link {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 42px;
  padding: 0 20px;
  border-radius: 8px;
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}
.article-reading-page .hero-primary-link {
  background: #fff;
  color: #1e3a8a;
}
.article-reading-page .hero-secondary-link {
  border: 1px solid rgba(255, 255, 255, 0.28);
  color: #e0ecff;
}
.promo-stat-bar,
.promo-reading-page .promo-stat-bar {
  background: #fff;
  border-bottom: 1px solid #e5e7eb;
}
.promo-stat-bar .container,
.promo-reading-page .promo-stat-bar .container {
  max-width: 780px;
  padding: 0 24px;
}
.promo-stat-grid,
.promo-reading-page .promo-stat-grid {
  display: grid !important;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 18px;
  padding: 18px 0;
  align-items: center;
}
.promo-stat-grid div,
.promo-reading-page .promo-stat-grid div {
  text-align: center;
  min-width: 0;
}
.promo-stat-grid strong,
.promo-reading-page .promo-stat-grid strong {
  display: block;
  color: #1d4ed8;
  font-size: 23px;
  line-height: 1;
}
.promo-stat-grid span,
.promo-reading-page .promo-stat-grid span {
  display: block;
  margin-top: 6px;
  color: #6b7280;
  font-size: 12px;
}
.article-reading-page .local-seo-section,
.article-reading-page .local-seo-section.alt,
.article-reading-page .seo-faq-section,
.article-reading-page .seo-related-section {
  background: #fff;
  padding: 0;
}
.article-reading-page .local-seo-section > .container,
.article-reading-page .seo-faq-section > .container,
.article-reading-page .seo-related-section > .container {
  max-width: 780px;
  padding: 0 24px;
}
.article-reading-page .local-seo-section > .container,
.article-reading-page .seo-faq-section > .container,
.article-reading-page .seo-related-section > .container {
  margin-top: 54px;
  padding-top: 18px;
  border-top: 2px solid #e5e7eb;
}
.article-reading-page main > .local-seo-section:first-of-type > .container {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.article-reading-page main > .local-seo-section:nth-of-type(2) > .container {
  margin-top: 44px;
  padding-top: 0;
  border-top: 0;
}
.article-reading-page .local-seo-split {
  display: block;
}
.article-reading-page .local-seo-copy,
.article-reading-page .section-header,
.article-reading-page .seo-faq-section h2 {
  max-width: 100%;
}
.article-reading-page .eyebrow-text {
  color: #1d4ed8;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.12em;
}
.article-reading-page .local-seo-copy h2,
.article-reading-page .local-seo-panel h2,
.article-reading-page .section-header h2,
.article-reading-page .seo-faq-section h2,
.article-reading-page .seo-related-box h2 {
  margin: 8px 0 16px;
  font-family: 'Noto Serif SC', serif;
  font-size: 25px;
  line-height: 1.45;
  color: #111827;
}
.article-reading-page .local-seo-copy p,
.article-reading-page .local-seo-panel p,
.article-reading-page .section-header .subtitle,
.article-reading-page .seo-faq-item p {
  font-size: 15px;
  line-height: 1.9;
  color: #374151;
}
.article-reading-page .local-seo-panel {
  margin-top: 22px;
  padding: 22px 24px;
  border-radius: 14px;
  border: 1px solid #dbeafe;
  background: #eff6ff;
  box-shadow: none;
}
.article-reading-page .local-seo-panel h2 {
  font-family: 'Noto Sans SC', sans-serif;
  font-size: 16px;
  margin-bottom: 10px;
}
.article-reading-page .local-seo-list {
  gap: 8px;
  margin-top: 12px;
}
.article-reading-page .local-seo-list li {
  font-size: 14px;
  line-height: 1.7;
  color: #374151;
}
.article-reading-page .article-check-list {
  margin-top: 18px;
  padding: 20px 24px;
  border: 1px solid #dbeafe;
  border-radius: 14px;
  background: #eff6ff;
}
.article-reading-page .article-check-list li {
  padding-left: 24px;
}
.article-reading-page .seo-article-toc {
  max-width: 100%;
  margin: 0;
  padding: 24px 28px;
  border-color: #dbeafe;
  border-radius: 14px;
  background: #eff6ff;
  box-shadow: none;
}
.article-reading-page .seo-article-toc h2 {
  font-size: 15px;
  color: #1e3a8a;
  margin-bottom: 14px;
}
.article-reading-page .seo-article-toc ol {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  padding-left: 0;
  list-style: none;
  counter-reset: article-toc;
}
.article-reading-page .seo-article-toc li {
  counter-increment: article-toc;
  display: flex;
  align-items: flex-start;
  gap: 9px;
  color: #1e3a8a;
  padding-left: 0;
}
.article-reading-page .seo-article-toc li::before {
  content: counter(article-toc);
  width: 20px;
  height: 20px;
  margin-top: 2px;
  border-radius: 50%;
  background: #1d4ed8;
  color: #fff;
  font-size: 11px;
  line-height: 20px;
  text-align: center;
  flex: 0 0 auto;
}
.article-reading-page .seo-article-toc a {
  font-size: 14px;
  line-height: 1.55;
  color: #1e3a8a;
}
.article-reading-page .seo-table-wrap {
  border-radius: 8px;
  box-shadow: none;
}
.article-reading-page .seo-comparison-table {
  min-width: 680px;
  font-size: 14px;
}
.article-reading-page .seo-comparison-table th {
  background: #1e3a8a;
  color: #fff;
}
.article-reading-page .seo-comparison-table th,
.article-reading-page .seo-comparison-table td {
  padding: 13px 16px;
}
.article-reading-page .local-seo-grid {
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 22px;
}
.article-reading-page .local-seo-card {
  padding: 20px 22px;
  border-radius: 14px;
  border: 1px solid #e5e7eb;
  border-left: 3px solid #1d4ed8;
  background: #f9fafb;
  box-shadow: none;
}
.article-reading-page .local-seo-card h3 {
  font-size: 15px;
  margin-bottom: 8px;
  color: #111827;
}
.article-reading-page .local-seo-card p {
  font-size: 13px;
  line-height: 1.75;
  color: #6b7280;
}
.article-reading-page .seo-callout {
  margin-top: 24px;
  padding: 18px 22px;
  border-left: 0;
  border-radius: 14px;
  border: 1px solid #fde68a;
  background: #fffbeb;
  color: #92400e;
  box-shadow: none;
}
.article-reading-page .seo-callout strong {
  color: #78350f;
}
.article-reading-page .local-seo-cta {
  max-width: 780px;
  margin: 54px auto 0;
  padding: 0 24px;
  background: transparent;
}
.article-reading-page .local-seo-cta .container {
  display: block;
  max-width: 100%;
  padding: 36px 28px;
  text-align: center;
  border-radius: 14px;
  background: linear-gradient(135deg, #1e3a8a 0%, #1d4ed8 100%);
}
.article-reading-page .local-seo-cta h2 {
  font-family: 'Noto Serif SC', serif;
  font-size: 23px;
}
.article-reading-page .local-seo-cta p {
  max-width: 560px;
  margin: 10px auto 22px;
  font-size: 14px;
  line-height: 1.75;
  color: #bfdbfe;
}
.article-reading-page .local-seo-cta .btn {
  display: inline-flex;
  box-shadow: none;
}
.article-reading-page .seo-faq-list {
  max-width: 100%;
  margin-top: 20px;
  border: 1px solid #e5e7eb;
  border-radius: 14px;
  overflow: hidden;
}
.article-reading-page .seo-faq-item {
  padding: 18px 22px;
  border-bottom: 1px solid #e5e7eb;
}
.article-reading-page .seo-faq-item:last-child {
  border-bottom: 0;
}
.article-reading-page .seo-faq-item h3 {
  font-size: 15px;
  margin-bottom: 8px;
}
.article-reading-page .seo-related-section > .container {
  padding-bottom: 70px;
}
.article-reading-page .seo-related-box {
  padding: 24px 28px;
  border-radius: 14px;
  box-shadow: none;
}
.article-reading-page .seo-related-box ul {
  display: grid;
  gap: 8px;
}

@media (max-width: 768px) {
  .article-reading-page .page-hero-banner > .container {
    padding: 46px 20px 48px;
  }
  .article-reading-page .page-hero-banner h1 {
    font-size: 27px;
  }
  .article-reading-page .article-hero-actions {
    display: grid;
  }
  .promo-stat-grid,
  .promo-reading-page .promo-stat-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .article-reading-page .local-seo-section > .container,
  .article-reading-page .seo-faq-section > .container,
  .article-reading-page .seo-related-section > .container,
  .article-reading-page .local-seo-cta {
    padding-left: 20px;
    padding-right: 20px;
  }
  .article-reading-page .local-seo-grid {
    grid-template-columns: 1fr;
  }
  .article-reading-page .local-seo-copy h2,
  .article-reading-page .section-header h2,
  .article-reading-page .seo-faq-section h2 {
    font-size: 22px;
  }
}