body {
  background: var(--ds-color-bg);
  color: var(--ds-color-text-primary);
  min-height: 100vh;
}

a {
  color: inherit;
  text-decoration: none;
}

.guide-hero {
  max-width: 1100px;
  margin: 0 auto;
  padding: 56px 24px 36px;
}

.guide-breadcrumb {
  font-size: 12px;
  color: var(--ds-color-text-muted);
  margin-bottom: 16px;
}

.guide-breadcrumb a {
  color: var(--ds-color-text-muted);
}

.guide-breadcrumb a:hover {
  color: var(--ds-color-text-secondary);
}

.guide-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid rgba(94, 106, 210, 0.35);
  background: rgba(94, 106, 210, 0.1);
  color: var(--ds-color-accent-soft);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

.guide-title {
  font-size: clamp(34px, 6vw, 54px);
  font-weight: 700;
  line-height: 1.05;
  letter-spacing: -0.05em;
  margin-bottom: 14px;
}

.guide-sub {
  max-width: 760px;
  font-size: var(--ds-font-size-body-lg);
  color: var(--ds-color-text-secondary);
  line-height: 1.75;
  margin-bottom: 18px;
}

.guide-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.guide-chip {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 12px;
  border-radius: 999px;
  border: 1px solid var(--ds-color-border);
  background: var(--ds-color-surface);
  font-size: 12px;
  color: var(--ds-color-text-secondary);
}

.guide-shell {
  max-width: 1100px;
  margin: 0 auto;
  padding: 0 24px 72px;
  display: grid;
  grid-template-columns: 250px minmax(0, 1fr);
  gap: 20px;
}

.guide-toc {
  position: sticky;
  top: 88px;
  align-self: start;
  background: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-md);
  padding: 18px;
}

.guide-toc__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-color-text-muted);
  margin-bottom: 12px;
}

.guide-toc__list {
  display: grid;
  gap: 8px;
}

.guide-toc__list a {
  font-size: 13px;
  color: var(--ds-color-text-secondary);
}

.guide-toc__list a:hover,
.guide-toc__list a.active {
  color: var(--ds-color-text-primary);
}

.guide-content {
  display: grid;
  gap: 16px;
}

.guide-panel {
  background: var(--ds-color-surface);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-md);
  padding: 24px 28px;
}

.guide-panel h2 {
  font-size: var(--ds-font-size-h3);
  font-weight: 700;
  letter-spacing: -0.03em;
  margin-bottom: 14px;
}

.guide-panel h3 {
  font-size: var(--ds-font-size-h4);
  font-weight: 700;
  margin: 18px 0 10px;
}

.guide-panel p,
.guide-panel li {
  font-size: var(--ds-font-size-body);
  color: var(--ds-color-text-secondary);
  line-height: 1.8;
}

.guide-panel p + p {
  margin-top: 10px;
}

.guide-panel ul,
.guide-panel ol {
  padding-left: 20px;
  margin: 12px 0 0;
}

.guide-note {
  border-left: 3px solid var(--ds-color-accent);
  background: rgba(94, 106, 210, 0.08);
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
  margin-top: 16px;
}

.guide-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-sm);
  padding: 16px;
}

.guide-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
}

.guide-card p {
  font-size: 13px;
  line-height: 1.7;
  margin: 0;
}

.guide-table-wrap {
  overflow-x: auto;
  margin-top: 16px;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  min-width: 620px;
}

.guide-table th,
.guide-table td {
  padding: 12px 14px;
  border-bottom: 1px solid var(--ds-color-border);
  text-align: left;
  vertical-align: top;
}

.guide-table th {
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--ds-color-text-muted);
}

.guide-table td {
  font-size: 14px;
  color: var(--ds-color-text-secondary);
  line-height: 1.7;
}

.guide-code {
  font-family: var(--ds-font-mono);
  font-size: 12px;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: 8px;
  padding: 2px 6px;
}

.guide-links {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.guide-link-card {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-sm);
  padding: 14px 16px;
  transition: border-color var(--ds-duration-fast), background var(--ds-duration-fast);
}

.guide-link-card:hover {
  border-color: var(--ds-color-border-accent);
  background: var(--ds-color-surface-strong);
}

.guide-link-card strong {
  display: block;
  font-size: 14px;
  margin-bottom: 4px;
}

.guide-link-card span {
  font-size: 13px;
  color: var(--ds-color-text-secondary);
}

.guide-tools {
  margin-top: 8px;
}

.guide-tools__title {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--ds-color-text-muted);
  margin-bottom: 12px;
}

.guide-tools__grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.guide-tool-card {
  background: rgba(255, 255, 255, 0.02);
  border: 1px solid var(--ds-color-border);
  border-radius: var(--ds-radius-md);
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color var(--ds-duration-fast), background var(--ds-duration-fast), transform var(--ds-duration-fast);
}

.guide-tool-card:hover {
  border-color: var(--ds-color-border-accent);
  background: var(--ds-color-surface-strong);
  transform: translateY(-1px);
}

.guide-tool-card__top {
  display: flex;
  align-items: center;
  gap: 10px;
}

.guide-tool-card__icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--ds-color-surface-tint);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  flex-shrink: 0;
}

.guide-tool-card__name {
  font-size: 15px;
  font-weight: 600;
}

.guide-tool-card__desc {
  font-size: 13px;
  color: var(--ds-color-text-secondary);
  line-height: 1.7;
}

.guide-tool-card__tag {
  align-self: flex-start;
  min-height: 22px;
  padding: 0 8px;
  border-radius: 999px;
  background: var(--ds-color-surface-tint);
  border: 1px solid rgba(94, 106, 210, 0.22);
  color: var(--ds-color-accent-soft);
  font-family: var(--ds-font-mono);
  font-size: 11px;
  display: inline-flex;
  align-items: center;
}

.guide-cross-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 12px;
}

.guide-footer {
  border-top: 1px solid var(--ds-color-border);
  padding: 24px;
  text-align: center;
  font-size: 12px;
  color: var(--ds-color-text-muted);
}

.guide-footer a {
  color: var(--ds-color-text-secondary);
}

.guide-footer a:hover {
  color: var(--ds-color-text-primary);
}

@media (max-width: 900px) {
  .guide-shell {
    grid-template-columns: 1fr;
  }

  .guide-toc {
    position: static;
  }
}

@media (max-width: 640px) {
  .guide-hero {
    padding: 36px 16px 28px;
  }

  .guide-shell {
    padding: 0 16px 56px;
  }

  .guide-panel {
    padding: 18px 18px 20px;
  }

  .guide-title {
    font-size: clamp(30px, 11vw, 42px);
  }

  .guide-sub {
    font-size: 15px;
  }

  .guide-tools__grid,
  .guide-cross-links,
  .guide-grid {
    grid-template-columns: 1fr;
  }
}