.guide-page {
  min-height: 100vh;
  background: var(--bg-primary);
  color: var(--text-primary);
  overflow-x: hidden;
  overflow-y: auto;
  -webkit-overflow-scrolling: touch;
}

.guide-menu-toggle {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 998;
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px;
  border: none;
  border-radius: 4px;
  background: none;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition-smooth);
}

.guide-menu-toggle:hover {
  background-color: var(--bg-hover-content);
  color: var(--text-primary);
}

.guide-menu-toggle svg {
  width: 20px;
  height: 20px;
  display: block;
}

.guide-menu-overlay {
  position: fixed;
  inset: 0;
  z-index: 999;
  display: none;
  background: rgba(0, 0, 0, 0.16);
}

.guide-menu-drawer {
  position: fixed;
  top: 0;
  left: 0;
  z-index: 1000;
  width: 240px;
  max-width: 82vw;
  height: 100vh;
  height: 100dvh;
  display: flex;
  flex-direction: column;
  padding: 0;
  border-right: 1px solid var(--border-color);
  background: var(--bg-secondary);
  transform: translateX(-100%);
  transition: transform 0.2s ease;
  overflow-y: auto;
  user-select: none;
}

.guide-menu-open .guide-menu-overlay {
  display: block;
}

.guide-menu-open .guide-menu-drawer {
  transform: translateX(0);
}

.guide-menu-open .guide-menu-toggle {
  pointer-events: none;
}

.guide-menu-drawer .sidebar-brand-link {
  text-decoration: none;
  color: inherit;
  display: flex;
  align-items: center;
  gap: 0;
  width: 100%;
}

.guide-shell {
  width: min(900px, 100%);
  margin: 0 auto;
  padding: 64px 48px max(100px, env(safe-area-inset-bottom));
}

.guide-topbar {
  display: none;
}

.guide-brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text-primary);
  font-weight: 700;
  text-decoration: none;
  letter-spacing: 0;
}

.guide-brand img {
  width: 24px;
  height: 24px;
}

.guide-nav {
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.guide-nav a {
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  padding: 7px 9px;
  border-radius: 6px;
  transition: var(--transition-smooth);
}

.guide-nav a:hover {
  color: var(--accent-blue);
  background: var(--bg-primary);
}

.guide-hero {
  border-bottom: 1px solid var(--border-color);
  padding-bottom: 18px;
  margin-bottom: 30px;
}

.guide-kicker {
  color: var(--text-secondary);
  font-size: 0.84rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.guide-title-row {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  margin-bottom: 12px;
}

.guide-title-icon {
  width: 2.25rem;
  height: 2.25rem;
  color: var(--accent-blue);
  flex-shrink: 0;
  margin-top: 0.14rem;
  stroke-width: 2;
}

.guide-hero h1 {
  font-size: 2.25rem;
  line-height: 1.25;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0;
  letter-spacing: -0.025em;
}

.guide-lead {
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.65;
  max-width: 760px;
  margin: 0;
}

.guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
  margin-top: 24px;
}

.guide-card {
  display: block;
  padding: 18px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  color: var(--text-primary);
  text-decoration: none;
}

.guide-card:hover {
  border-color: var(--accent-blue);
}

.guide-card strong {
  display: block;
  font-size: 1rem;
  margin-bottom: 8px;
}

.guide-card span {
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.55;
}

.guide-content {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 260px;
  gap: 32px;
  align-items: start;
}

.guide-article {
  color: var(--text-primary);
  line-height: 1.78;
  font-size: 1rem;
}

.guide-article h2 {
  font-size: 1.45rem;
  margin: 32px 0 12px;
}

.guide-article h3 {
  font-size: 1.12rem;
  margin: 24px 0 8px;
}

.guide-article p {
  margin: 0 0 14px;
  color: var(--text-secondary);
}

.guide-article ul,
.guide-article ol {
  color: var(--text-secondary);
  padding-left: 22px;
  margin: 0 0 18px;
}

.guide-article li {
  margin-bottom: 8px;
}

.guide-note {
  border: 1px solid var(--border-color);
  border-left: 4px solid var(--accent-blue);
  border-radius: 8px;
  background: var(--bg-secondary);
  padding: 16px;
  margin: 20px 0;
  color: var(--text-secondary);
}

.guide-example {
  border: 1px solid rgba(35, 131, 226, 0.22);
  border-radius: 8px;
  background: rgba(35, 131, 226, 0.045);
  padding: 18px;
  margin: 22px 0;
}

.guide-example h3 {
  margin: 0 0 10px;
  color: var(--text-primary);
  font-size: 1rem;
}

.guide-example p {
  margin-bottom: 10px;
}

.guide-example ul {
  margin-bottom: 0;
}

.guide-table {
  width: 100%;
  border-collapse: collapse;
  margin: 18px 0 24px;
  font-size: 0.92rem;
  table-layout: fixed;
}

.guide-table th,
.guide-table td {
  border: 1px solid var(--border-color);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.guide-table th {
  background: var(--bg-secondary);
  color: var(--text-primary);
  font-weight: 700;
}

.guide-table td {
  color: var(--text-secondary);
  word-break: keep-all;
  overflow-wrap: anywhere;
}

.guide-faq {
  border-top: 1px solid var(--border-color);
  margin-top: 26px;
  padding-top: 12px;
}

.guide-faq h3 {
  margin-top: 18px;
}

.guide-side {
  position: sticky;
  top: 20px;
  border: 1px solid var(--border-color);
  border-radius: 8px;
  background: var(--bg-secondary);
  padding: 16px;
}

.guide-side h2 {
  font-size: 0.95rem;
  margin: 0 0 10px;
}

.guide-side a {
  display: block;
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 0.9rem;
  line-height: 1.45;
  padding: 7px 0;
  border-top: 1px solid var(--border-color);
}

.guide-side a:hover {
  color: var(--accent-blue);
}

.guide-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 26px;
}

.guide-tools a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border-color);
  border-radius: 999px;
  padding: 8px 12px;
  color: var(--text-primary);
  background: var(--bg-secondary);
  text-decoration: none;
  font-size: 0.9rem;
}

.guide-footer {
  border-top: 1px solid var(--border-color);
  margin-top: 42px;
  padding-top: 22px;
  color: var(--text-muted);
  font-size: 0.86rem;
}

@media (max-width: 820px) {
  .guide-shell {
    width: 100%;
    padding: 64px 16px max(80px, env(safe-area-inset-bottom));
  }

  .guide-content,
  .guide-grid {
    grid-template-columns: 1fr;
  }

  .guide-side {
    position: static;
  }

  .guide-hero {
    padding-bottom: 16px;
    margin-bottom: 24px;
  }

  .guide-hero h1 {
    font-size: 1.9rem;
    line-height: 1.22;
  }

  .guide-title-row {
    gap: 11px;
  }

  .guide-title-icon {
    width: 1.9rem;
    height: 1.9rem;
    margin-top: 0.12rem;
  }

  .guide-lead,
  .guide-article {
    font-size: 0.96rem;
  }

  .guide-article h2 {
    font-size: 1.28rem;
    margin-top: 28px;
  }

  .guide-table {
    display: table;
    width: 100%;
    overflow-x: visible;
    table-layout: auto;
    white-space: normal;
    font-size: 0.84rem;
  }

  .guide-table th,
  .guide-table td {
    min-width: 0;
    padding: 9px 8px;
    word-break: keep-all;
    overflow-wrap: anywhere;
  }

  .guide-tools a {
    flex: 1 1 auto;
    justify-content: center;
  }
}