.guide-main {
  max-width: 1180px;
}

.guide-hero {
  max-width: 920px;
  padding: 30px 0 12px;
}

.guide-hero h1 {
  max-width: 920px;
  font-size: clamp(2.2rem, 5vw, 4rem);
}

.guide-hero .hero-text {
  max-width: 850px;
  margin-top: 16px;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 18px;
  color: var(--muted);
  font-size: 0.92rem;
  font-weight: 700;
}

.guide-meta a {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 280px;
  gap: 24px;
  align-items: start;
  margin-top: 24px;
}

.guide-article {
  min-width: 0;
  padding: 36px;
}

.guide-article > section + section {
  margin-top: 42px;
  padding-top: 38px;
  border-top: 1px solid var(--border);
}

.guide-article h2 {
  font-size: clamp(1.65rem, 3vw, 2.25rem);
}

.guide-article h3 {
  margin: 26px 0 8px;
  color: var(--text);
  font-size: 1.25rem;
  line-height: 1.3;
}

.guide-article p,
.guide-article li {
  color: var(--muted);
  font-size: 1rem;
  line-height: 1.72;
}

.guide-article p {
  margin: 14px 0 0;
}

.guide-article a,
.guide-sidebar a:not(.button) {
  color: var(--brand);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.guide-article a:hover,
.guide-sidebar a:not(.button):hover {
  color: var(--brand-dark);
}

.guide-article ul,
.guide-article ol {
  margin: 14px 0 0;
  padding-left: 24px;
}

.guide-article li + li {
  margin-top: 9px;
}

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

.guide-article code,
.guide-sidebar code {
  padding: 0.1em 0.32em;
  border-radius: 5px;
  background: #edf2fa;
  color: #263750;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.9em;
  overflow-wrap: anywhere;
}

.guide-code {
  max-width: 100%;
  margin: 18px 0 0;
  overflow: auto;
  padding: 18px;
  border-radius: 14px;
  background: #0e1726;
  color: #d5e7ff;
  white-space: pre;
  font-family: "Cascadia Code", "SFMono-Regular", Consolas, monospace;
  font-size: 0.86rem;
  line-height: 1.55;
}

.guide-callout {
  margin-top: 20px;
  padding: 18px 20px;
  border: 1px solid #bdd3f4;
  border-left: 5px solid var(--brand);
  border-radius: 12px;
  background: #f3f7fe;
}

.guide-callout.warning {
  border-color: var(--warning-border);
  border-left-color: #d18a00;
  background: var(--warning-bg);
}

.guide-callout p:first-child,
.guide-callout p:last-child {
  margin-top: 0;
}

.guide-table-wrap {
  max-width: 100%;
  margin-top: 18px;
  overflow-x: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}

.guide-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
  background: #ffffff;
  font-size: 0.94rem;
}

.guide-table th,
.guide-table td {
  padding: 13px 14px;
  border-bottom: 1px solid var(--border);
  text-align: left;
  vertical-align: top;
}

.guide-table th {
  background: #eef3fb;
  color: var(--text);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.guide-table td {
  color: var(--muted);
  line-height: 1.5;
}

.guide-table tr:last-child td {
  border-bottom: 0;
}

.guide-table .code-cell {
  color: var(--text);
  font-weight: 900;
  white-space: nowrap;
}

.guide-sidebar {
  display: grid;
  gap: 18px;
}

.guide-toc,
.guide-tool-card,
.guide-author-card {
  padding: 20px;
  box-shadow: none;
}

.guide-toc {
  position: sticky;
  top: 92px;
}

.guide-toc h2,
.guide-tool-card h2,
.guide-author-card h2 {
  margin: 0;
  font-size: 1.18rem;
  letter-spacing: -0.02em;
}

.guide-toc ol {
  margin: 14px 0 0;
  padding-left: 20px;
}

.guide-toc li {
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.4;
}

.guide-toc li + li {
  margin-top: 9px;
}

.guide-tool-card p,
.guide-author-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 0.92rem;
}

.guide-tool-card .button {
  display: inline-flex;
  margin-top: 16px;
}

.guide-reference-list {
  margin: 16px 0 0;
  padding-left: 22px;
}

.guide-reference-list li {
  color: var(--muted);
  font-size: 0.94rem;
  line-height: 1.55;
}

.guide-reference-list li + li {
  margin-top: 10px;
}

.guide-byline {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 0.8fr);
  gap: 18px;
  margin-top: 24px;
}

.guide-byline > article {
  padding: 20px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fbfcff;
}

.guide-byline h3 {
  margin: 0 0 8px;
}

.guide-faq details {
  margin-top: 12px;
  padding: 16px 18px;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: #fbfcff;
}

.guide-faq summary {
  cursor: pointer;
  color: var(--text);
  font-weight: 800;
}

.guide-faq details p {
  margin-top: 10px;
}

@media (max-width: 920px) {
  .guide-layout,
  .guide-byline {
    grid-template-columns: 1fr;
  }

  .guide-sidebar {
    grid-row: 1;
  }

  .guide-toc {
    position: static;
  }
}

@media (max-width: 560px) {
  .guide-hero {
    padding-top: 18px;
  }

  .guide-article {
    padding: 20px;
  }

  .guide-article > section + section {
    margin-top: 34px;
    padding-top: 30px;
  }

  .guide-code {
    padding: 14px;
    font-size: 0.78rem;
  }
}