.article-body { max-width: 800px; margin: 0 auto; line-height: 1.8; font-size: 1.1rem; }
.article-body h2 { margin-top: 3.5rem; margin-bottom: 1.5rem; font-size: 1.8rem; border-bottom: 1px solid var(--glass-border); padding-bottom: 10px; font-weight: 700; color: var(--text-color); }
.article-body h3 { margin-top: 2.5rem; margin-bottom: 1rem; font-size: 1.4rem; color: var(--primary-color); font-weight: 600; }
.article-body p { margin-bottom: 1.5rem; }
.article-body strong { color: var(--text-color); font-weight: 600; }
.toc { background: var(--glass-bg); backdrop-filter: blur(20px); padding: 2.5rem; border-radius: 16px; margin: 3rem 0; border: 1px solid var(--glass-border); }
.toc-title { font-size: 1.25rem; font-weight: 700; margin-bottom: 1.5rem; color: var(--text-color); }
.toc ul { list-style: none; padding-left: 0; margin: 0; }
.toc ul li { margin-bottom: 12px; }
.toc ul li a { color: var(--primary-color); text-decoration: none; font-weight: 500; transition: color 0.3s; }
.toc ul li a:hover { color: var(--accent-magenta); }
.toc ul ul { padding-left: 1.5rem; margin-top: 8px; }
.faq-section { background: rgba(139, 92, 246, 0.05); padding: 2.5rem; border-radius: 16px; margin: 4rem 0; border: 1px solid var(--glass-border); }
.related-reading { margin-top: 4rem; padding-top: 3rem; border-top: 1px solid var(--glass-border); }
.related-reading ul { list-style: none; padding: 0; }
.related-reading li { margin-bottom: 1rem; }
.related-reading a { color: var(--primary-color); font-weight: 500; }
.related-reading a:hover { text-decoration: underline; }