.article-header {
  text-align: center;
  margin-bottom: 40px;
  border-bottom: 1px solid #e0e0e0;
  padding-bottom: 20px;
}

body.dark-mode .article-header {
  border-bottom-color: #333;
}

.article-header h1 {
  font-size: 2.5rem;
  margin-bottom: 10px;
}

.article-header .subtitle {
  font-size: 1.2rem;
  color: #666;
}

body.dark-mode .article-header .subtitle {
  color: #aaa;
}

.content-container section {
  margin-bottom: 40px;
}

.content-container section h2 {
  border-bottom: none;
  padding-bottom: 0;
}

blockquote {
  border-left: 4px solid var(--primary-color);
  padding-left: 20px;
  margin-left: 0;
  font-style: italic;
  color: #666;
}

body.dark-mode blockquote {
  color: #aaa;
}

.lotto-tool {
  gap: 20px;
}

.small-text {
  font-size: 0.8rem;
  color: #888;
  text-align: center;
  margin-top: 10px;
}

.important-notice {
  background-color: #fffbe6;
  border: 1px solid #ffe58f;
  padding: 15px;
  border-radius: 8px;
  font-weight: bold;
}

body.dark-mode .important-notice {
  background-color: #3b3a30;
  border-color: #a89359;
}