.lp {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 20px 80px;
}

.lp-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 48px;
  flex-wrap: wrap;
  gap: 12px;
}

.lp-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  color: var(--accent);
  font-family: 'Cinzel Decorative', Georgia, serif;
  font-size: 1rem;
  letter-spacing: 0.04em;
}

.lp-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 7px 16px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  font-size: 0.88rem;
  font-style: italic;
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s;
}

.lp-back:hover {
  color: var(--accent);
  border-color: var(--accent);
}

.lp-ornament {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 32px;
}

.lp-ornament span {
  flex: 1;
  height: 1px;
  background: linear-gradient(to right, transparent, var(--border-light), transparent);
}

.lp-ornament em {
  color: var(--accent);
  font-size: 0.8rem;
  opacity: 0.8;
  font-style: normal;
}

h1 {
  font-family: 'Cinzel Decorative', Georgia, serif;
  color: var(--accent);
  font-size: 1.5rem;
  line-height: 1.3;
  margin-bottom: 14px;
}

.lp-date {
  color: var(--text-dim);
  font-size: 0.82rem;
  font-style: italic;
  margin: -8px 0 20px;
}

.lp-intro {
  font-size: 1rem;
  color: var(--text-muted);
  font-style: italic;
  line-height: 1.75;
  margin-bottom: 36px;
}

.hero-cta {
  text-align: center;
  margin: 0 0 48px;
  padding: 24px 20px;
  background: var(--surface);
  border: 1px solid var(--accent);
  border-radius: var(--radius);
}

.btn-tool {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 14px 36px;
  background: var(--accent);
  color: var(--bg);
  border-radius: var(--radius-xs);
  font-family: 'Source Serif 4', Georgia, serif;
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  text-decoration: none;
  transition: background 0.15s, transform 0.1s;
}

.btn-tool:hover {
  background: var(--accent-dark);
  transform: translateY(-2px);
}

.hero-sub {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin: 10px 0 0;
  font-style: italic;
}

.lp-section {
  margin-bottom: 32px;
}

.lp-section h2 {
  font-family: 'Cinzel Decorative', Georgia, serif;
  color: var(--accent);
  font-size: 0.95rem;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}

.lp-section h3 {
  color: var(--accent);
  font-size: 0.95rem;
  margin: 22px 0 8px;
  font-family: 'Source Serif 4', Georgia, serif;
}

.lp-section p,
.lp-section li {
  color: var(--text-muted);
  line-height: 1.75;
  margin-bottom: 12px;
  font-size: 0.95rem;
}

.lp-section a {
  color: var(--accent);
}

.lp-section ul {
  list-style: none;
  padding: 0;
  margin: 0 0 12px;
}

.lp-section ul li {
  padding: 5px 0 5px 20px;
  position: relative;
  margin-bottom: 0;
}

.lp-section ul li::before {
  content: '-';
  position: absolute;
  left: 0;
  color: var(--accent);
  top: 5px;
}

.steps {
  list-style: none;
  padding: 0;
  margin: 0;
  counter-reset: step;
}

.steps li {
  counter-increment: step;
  padding: 10px 0 10px 40px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.65;
  border-bottom: 1px solid var(--border);
}

.steps li:last-child {
  border-bottom: none;
}

.steps li::before {
  content: counter(step);
  position: absolute;
  left: 0;
  top: 10px;
  width: 26px;
  height: 26px;
  background: var(--accent-dim);
  border: 1px solid rgba(194, 163, 107, 0.3);
  border-radius: 50%;
  color: var(--accent);
  font-size: 0.82rem;
  font-weight: 600;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: 'Source Serif 4', Georgia, serif;
}

.tip-box,
.example-box,
.code-block,
.word-cloud,
.feature-checklist,
.density-table-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin: 16px 0;
}

.tip-box {
  border-left: 3px solid var(--accent);
  padding: 14px 18px;
}

.tip-box p {
  color: var(--text-muted);
  font-size: 0.9rem;
  margin: 0;
  line-height: 1.65;
}

.example-box {
  padding: 16px 20px;
  color: var(--text-muted);
  font-size: 0.9rem;
  line-height: 1.75;
}

.code-block {
  padding: 12px 16px;
  font-family: Consolas, 'Courier New', monospace;
  font-size: 0.82rem;
  color: var(--text-muted);
  overflow-x: auto;
  line-height: 1.7;
}

.word-cloud {
  padding: 16px;
  line-height: 2.2;
  font-size: 0.85rem;
  color: var(--text-dim);
  font-style: italic;
}

.feature-checklist {
  padding: 16px 20px;
}

.feature-checklist ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px 16px;
}

@media (max-width: 480px) {
  .feature-checklist ul {
    grid-template-columns: 1fr;
  }
}

.feature-checklist ul li {
  padding: 3px 0 3px 18px;
  position: relative;
  color: var(--text-muted);
  font-size: 0.88rem;
  margin: 0;
}

.feature-checklist ul li::before {
  content: '+';
  position: absolute;
  left: 0;
  color: var(--accent);
  font-size: 0.85rem;
  font-weight: 600;
}

.density-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.88rem;
}

.density-table th {
  background: var(--surface);
  color: var(--text-dim);
  text-align: left;
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.density-table td {
  padding: 8px 12px;
  border-bottom: 1px solid var(--border);
  color: var(--text-muted);
}

.density-table tr:last-child td {
  border-bottom: none;
}

details.faq-item {
  border-bottom: 1px solid var(--border);
}

details.faq-item summary {
  padding: 12px 0;
  color: var(--text-muted);
  font-size: 0.95rem;
  cursor: pointer;
  list-style: none;
}

details.faq-item p {
  padding: 0 0 14px;
  color: var(--text-muted);
  font-size: 0.92rem;
  line-height: 1.7;
  margin: 0;
}

.lp-related {
  margin: 40px 0;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.lp-related h3 {
  font-size: 0.8rem;
  color: var(--text-dim);
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 12px;
}

.lp-related-links {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.lp-related-links a {
  display: inline-block;
  padding: 7px 14px;
  border: 1px solid var(--border-light);
  color: var(--text-muted);
  border-radius: var(--radius-xs);
  font-size: 0.85rem;
  font-style: italic;
  text-decoration: none;
  transition: color 0.15s, border-color 0.15s;
}

.lp-related-links a:hover {
  color: var(--accent);
  border-color: var(--accent);
}