.ai-blog-guide {
  --ai-accent: var(--site-theme-color, #0067c5);
  --ai-accent-rgb: var(--site-theme-rgb, 0, 103, 197);
  --ai-blog-ink: #1d3047;
  --ai-blog-heading: #123e69;
  --ai-blog-muted: #5d7086;
  --ai-blog-line: #d6e1eb;
  --ai-blog-soft: #f4f7fa;
  --ai-blog-red: #d92332;
  --ai-blog-teal: #14776f;
  --ai-blog-amber: #9b6514;
  max-width: 900px;
  margin: 0 auto;
  color: var(--ai-blog-ink);
}

.ai-blog-guide > style {
  display: none !important;
}

.ai-blog-guide > section,
.ai-blog-guide > .ai-card,
.ai-blog-guide > .ai-toc,
.ai-blog-guide > .ai-table-wrap,
.ai-blog-guide > .ai-checklist,
.ai-blog-guide > .ai-note,
.ai-blog-guide > .ai-faq,
.ai-blog-guide > .ai-cta {
  margin: 0 0 26px;
}

.ai-blog-guide h2,
.ai-blog-guide h3 {
  letter-spacing: 0;
}

.ai-blog-guide h2 {
  margin: 38px 0 15px;
  color: var(--ai-blog-heading);
  font-family: inherit;
  font-size: 25px;
  line-height: 1.34;
}

.ai-blog-guide h3 {
  margin: 30px 0 12px;
  color: var(--ai-blog-heading);
  font-size: 20px;
  line-height: 1.4;
}

.ai-blog-guide h3.mulu-til {
  position: relative;
  scroll-margin-top: 110px;
  padding: 10px 14px 10px 17px;
  border-left: 4px solid var(--ai-accent);
  background: #f0f5f9;
}

.ai-blog-guide h3.mulu-til::after {
  position: absolute;
  right: 0;
  bottom: 0;
  width: 54px;
  height: 2px;
  background: var(--ai-blog-red);
  content: "";
}

.ai-blog-guide p {
  margin: 0 0 16px;
  line-height: 1.85;
}

.ai-blog-guide p,
.ai-blog-guide li,
.ai-blog-guide td,
.ai-blog-guide th,
.ai-blog-guide a {
  overflow-wrap: anywhere;
}

.ai-blog-guide a {
  color: #005eb8;
  text-decoration-color: rgba(var(--ai-accent-rgb), 0.42);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.ai-blog-guide a:hover,
.ai-blog-guide a:focus {
  color: #003f7d;
  text-decoration-color: currentColor;
}

.ai-blog-guide img {
  display: block;
  width: auto;
  max-width: 100%;
  height: auto;
  margin: 22px auto 28px;
  border: 1px solid #dce5ed;
  border-radius: 4px;
}

.ai-blog-guide .ai-intro {
  padding: 22px 24px;
  border-top: 3px solid var(--ai-accent);
  border-bottom: 1px solid var(--ai-blog-line);
  background: #f6f9fb;
}

.ai-blog-guide .ai-intro p:last-child,
.ai-blog-guide .ai-card p:last-child,
.ai-blog-guide .ai-note p:last-child,
.ai-blog-guide .ai-takeaway p:last-child,
.ai-blog-guide .ai-cta p:last-child {
  margin-bottom: 0;
}

.ai-blog-guide .ai-card,
.ai-blog-guide .ai-note,
.ai-blog-guide .ai-checklist,
.ai-blog-guide .ai-toc,
.ai-blog-guide .ai-takeaway,
.ai-blog-guide details {
  padding: 18px 20px;
  border: 1px solid var(--ai-blog-line);
  border-radius: 6px;
  background: #fff;
}

.ai-blog-guide .ai-toc {
  border-top: 3px solid var(--ai-accent);
  background: #f7f9fb;
}

.ai-blog-guide .ai-toc > strong,
.ai-blog-guide .ai-toc > p:first-child strong {
  color: var(--ai-blog-heading);
  font-size: 17px;
}

.ai-blog-guide .ai-toc ul,
.ai-blog-guide .ai-toc ol {
  columns: 2;
  column-gap: 34px;
  margin: 14px 0 0;
  padding-left: 22px;
}

.ai-blog-guide .ai-toc li {
  break-inside: avoid;
  margin-bottom: 9px;
  color: var(--ai-blog-muted);
}

.ai-blog-guide .ai-toc a {
  color: #174d7e;
  text-decoration: none;
}

.ai-blog-guide .ai-toc a:hover,
.ai-blog-guide .ai-toc a:focus {
  color: var(--ai-blog-red);
  text-decoration: underline;
}

.ai-blog-guide .ai-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin: 0 0 26px;
}

.ai-blog-guide .ai-grid > .ai-card {
  min-width: 0;
  margin: 0;
  border-top: 3px solid var(--ai-accent);
}

.ai-blog-guide .ai-card > strong:first-child,
.ai-blog-guide .ai-note > strong:first-child,
.ai-blog-guide .ai-takeaway > strong:first-child {
  display: block;
  margin-bottom: 8px;
  color: var(--ai-blog-heading);
}

.ai-blog-guide .ai-takeaway {
  border-color: #b8d9d4;
  border-left: 5px solid var(--ai-blog-teal);
  background: #f1f8f6;
}

.ai-blog-guide .ai-checklist {
  background: #f8fafc;
}

.ai-blog-guide .ai-checklist ul,
.ai-blog-guide .ai-checklist ol {
  margin: 0;
}

.ai-blog-guide .ai-checklist li {
  margin-bottom: 9px;
  padding-left: 3px;
}

.ai-blog-guide .ai-checklist li:last-child {
  margin-bottom: 0;
}

.ai-blog-guide .ai-table-wrap {
  overflow-x: auto;
  border: 1px solid var(--ai-blog-line);
  border-radius: 6px;
  background: #fff;
  box-shadow: 0 8px 20px rgba(20, 49, 78, 0.05);
}

.ai-blog-guide .ai-table-wrap table,
.ai-blog-guide table {
  width: 100%;
  min-width: 620px;
  margin: 0;
  border: 0;
  border-collapse: collapse;
}

.ai-blog-guide th,
.ai-blog-guide td {
  padding: 13px 14px;
  border: 0;
  border-right: 1px solid #e1e8ef;
  border-bottom: 1px solid #e1e8ef;
  text-align: left;
  vertical-align: top;
}

.ai-blog-guide th:last-child,
.ai-blog-guide td:last-child {
  border-right: 0;
}

.ai-blog-guide th {
  background: #eaf2f8;
  color: #0f4778;
  font-weight: 700;
}

.ai-blog-guide tbody tr:nth-child(even) td {
  background: #f9fbfc;
}

.ai-blog-guide tr:last-child > * {
  border-bottom: 0;
}

.ai-blog-guide .ai-note,
.ai-blog-guide blockquote {
  border-left: 4px solid var(--ai-blog-amber);
  background: #fff9ed;
  color: #5c4929;
}

.ai-blog-guide blockquote {
  margin: 0 0 24px;
  padding: 17px 20px;
}

.ai-blog-guide .ai-timeline {
  margin: 0 0 26px;
  padding: 0;
  list-style: none;
  counter-reset: ai-blog-step;
}

.ai-blog-guide .ai-timeline > li,
.ai-blog-guide .ai-timeline > div {
  position: relative;
  min-height: 44px;
  margin: 0 0 13px;
  padding: 10px 14px 10px 54px;
  border-bottom: 1px solid var(--ai-blog-line);
  counter-increment: ai-blog-step;
}

.ai-blog-guide .ai-timeline > li::before,
.ai-blog-guide .ai-timeline > div::before {
  position: absolute;
  top: 7px;
  left: 4px;
  display: grid;
  width: 32px;
  height: 32px;
  place-items: center;
  border: 2px solid var(--ai-accent);
  border-radius: 50%;
  background: #fff;
  color: var(--ai-blog-heading);
  content: counter(ai-blog-step);
  font-weight: 700;
}

.ai-blog-guide .ai-faq {
  padding-top: 2px;
}

.ai-blog-guide .ai-faq details {
  margin: 0;
  background: #fff;
}

.ai-blog-guide .ai-faq details + details {
  margin-top: 10px;
}

.ai-blog-guide details summary {
  color: var(--ai-blog-heading);
  font-weight: 700;
  cursor: pointer;
}

.ai-blog-guide details[open] {
  border-color: #bad1e4;
}

.ai-blog-guide details[open] summary {
  margin-bottom: 10px;
  color: #0058aa;
}

.ai-blog-guide .ai-cta {
  padding: 23px 25px;
  border: 1px solid #0b589f;
  border-top: 4px solid var(--ai-blog-red);
  border-radius: 6px;
  background: #0b579c;
  color: #fff;
}

.ai-blog-guide .ai-cta h2,
.ai-blog-guide .ai-cta h3,
.ai-blog-guide .ai-cta p,
.ai-blog-guide .ai-cta a {
  color: #fff;
}

.ai-blog-guide .ai-cta h2,
.ai-blog-guide .ai-cta h3 {
  margin-top: 0;
  padding: 0;
  border: 0;
  background: transparent;
}

.ai-blog-guide .ai-cta h3::after {
  display: none;
}

.ai-blog-guide .ai-cta a {
  font-weight: 700;
  text-decoration-color: rgba(255, 255, 255, 0.76);
}

/* Buyer guide: a clear opening and calm decision path. */
.ai-blog-guide.ai-blog-style-guide .ai-intro,
.ai-blog-guide.ai-blog-style-guide > section:first-child,
.ai-blog-guide.ai-blog-style-guide > .ai-card:first-child {
  padding: 24px 26px;
  border: 1px solid #c8dbe9;
  border-top: 4px solid var(--ai-accent);
  border-radius: 6px;
  background: #f3f7fa;
}

.ai-blog-guide.ai-blog-style-guide h3.mulu-til {
  border-left-color: var(--ai-accent);
}

/* Comparison decision: tables and option cards carry the main signal. */
.ai-blog-guide.ai-blog-style-comparison {
  max-width: 960px;
}

.ai-blog-guide.ai-blog-style-comparison .ai-grid > .ai-card {
  border-top-color: var(--ai-blog-teal);
}

.ai-blog-guide.ai-blog-style-comparison th:first-child,
.ai-blog-guide.ai-blog-style-comparison td:first-child {
  width: 27%;
  color: #123f6b;
  font-weight: 700;
}

/* Procurement checklist: action-oriented scanning. */
.ai-blog-guide.ai-blog-style-checklist .ai-checklist,
.ai-blog-guide.ai-blog-style-checklist .ai-card {
  border-left: 4px solid var(--ai-blog-teal);
}

.ai-blog-guide.ai-blog-style-checklist .ai-checklist li {
  padding: 8px 0 8px 4px;
  border-bottom: 1px dashed #d4e0e9;
}

.ai-blog-guide.ai-blog-style-checklist .ai-checklist li:last-child {
  border-bottom: 0;
}

/* Troubleshooting: emphasize symptom, cause, and check order. */
.ai-blog-guide.ai-blog-style-troubleshooting {
  border-top: 4px solid var(--ai-blog-amber);
  padding-top: 18px;
}

.ai-blog-guide.ai-blog-style-troubleshooting > section:not(.ai-cta),
.ai-blog-guide.ai-blog-style-troubleshooting > .ai-card {
  padding: 18px 20px;
  border: 1px solid #e1e7ec;
  border-left: 4px solid var(--ai-blog-amber);
  border-radius: 6px;
  background: #fff;
}

.ai-blog-guide.ai-blog-style-troubleshooting th {
  background: #fff3dc;
  color: #68430e;
}

/* Technical reference: denser, documentation-like rhythm. */
.ai-blog-guide.ai-blog-style-reference {
  max-width: 940px;
}

.ai-blog-guide.ai-blog-style-reference h3.mulu-til {
  border-left-color: var(--ai-blog-teal);
  background: #eef6f4;
}

.ai-blog-guide.ai-blog-style-reference td:first-child {
  width: 32%;
  color: #173e65;
  font-weight: 700;
}

/* Compact reading: low decoration for short articles. */
.ai-blog-guide.ai-blog-style-compact {
  max-width: 820px;
}

.ai-blog-guide.ai-blog-style-compact > section:not(.ai-cta),
.ai-blog-guide.ai-blog-style-compact > .ai-card,
.ai-blog-guide.ai-blog-style-compact > .ai-note {
  padding: 0 0 20px;
  border: 0;
  border-bottom: 1px solid var(--ai-blog-line);
  border-radius: 0;
  background: transparent;
  box-shadow: none;
}

.ai-blog-guide.ai-blog-style-compact h3.mulu-til {
  margin-top: 26px;
  padding: 8px 12px 8px 15px;
}

@media (max-width: 768px) {
  .ai-blog-guide {
    width: 100%;
    max-width: 100%;
  }

  .ai-blog-guide h2 {
    margin-top: 30px;
    font-size: 22px;
  }

  .ai-blog-guide h3,
  .ai-blog-guide h3.mulu-til {
    font-size: 18px;
  }

  .ai-blog-guide h3.mulu-til {
    scroll-margin-top: 82px;
    padding: 9px 11px 9px 14px;
  }

  .ai-blog-guide .ai-intro,
  .ai-blog-guide .ai-card,
  .ai-blog-guide .ai-note,
  .ai-blog-guide .ai-checklist,
  .ai-blog-guide .ai-toc,
  .ai-blog-guide .ai-takeaway,
  .ai-blog-guide details,
  .ai-blog-guide.ai-blog-style-guide > section:first-child,
  .ai-blog-guide.ai-blog-style-guide > .ai-card:first-child,
  .ai-blog-guide.ai-blog-style-troubleshooting > section:not(.ai-cta),
  .ai-blog-guide.ai-blog-style-troubleshooting > .ai-card {
    padding: 15px;
  }

  .ai-blog-guide .ai-grid {
    grid-template-columns: 1fr;
  }

  .ai-blog-guide .ai-toc ul,
  .ai-blog-guide .ai-toc ol {
    columns: 1;
  }

  .ai-blog-guide .ai-table-wrap table,
  .ai-blog-guide table {
    min-width: 560px;
  }

  .ai-blog-guide th,
  .ai-blog-guide td {
    padding: 10px;
    font-size: 14px;
  }

  .ai-blog-guide .ai-cta {
    padding: 18px;
  }
}

@media (max-width: 420px) {
  .ai-blog-guide p,
  .ai-blog-guide li {
    line-height: 1.75;
  }

  .ai-blog-guide .ai-table-wrap {
    margin-right: -4px;
    margin-left: -4px;
    border-right: 0;
    border-left: 0;
    border-radius: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ai-blog-guide * {
    scroll-behavior: auto !important;
  }
}