.purifydocs_section {
    padding: 80px 0;
    background: var(--purify-white);
}

.purifydocs_layout {
    display: grid;
    grid-template-columns: 280px 1fr;
    gap: 60px;
    align-items: flex-start;
}

.purifydocs_sidebar {
    position: sticky;
    top: 120px;
    max-height: calc(100vh - 160px);
    overflow-y: auto;
    padding-right: 20px;
}

.purifydocs_sidebar::-webkit-scrollbar { width: 4px; }
.purifydocs_sidebar::-webkit-scrollbar-thumb { background: var(--purify-border); border-radius: 10px; }

.purifydocs_sidebar h4 {
    font-size: 0.75rem;
    text-transform: uppercase;
    letter-spacing: 0.1em;
    color: var(--purify-text-muted);
    margin-bottom: 20px;
}

.purifydocs_nav {
    list-style: none;
    padding: 0;
    margin: 0;
}

.purifydocs_nav li {
    margin-bottom: 8px;
}

.purifydocs_nav a {
    display: block;
    padding: 8px 16px;
    color: var(--purify-text-nav);
    text-decoration: none;
    font-size: 0.92rem;
    font-weight: 500;
    border-radius: 8px;
    transition: all 0.2s var(--purify-ease);
    border-left: 2px solid transparent;
}

.purifydocs_nav a:hover {
    background: var(--purify-primary-light);
    color: var(--purify-primary);
}

.purifydocs_nav a.active {
    background: var(--purify-primary-light);
    color: var(--purify-primary);
    border-left-color: var(--purify-primary);
}

.purifydocs_content {
    max-width: 850px;
}

.purifydocs_content h1 {
    font-size: 2.8rem;
    font-weight: 850;
    margin-bottom: 24px;
    letter-spacing: -0.05em;
    color: var(--purify-text-dark);
}

.purifydocs_content h2 {
    font-size: 1.8rem;
    font-weight: 800;
    margin: 60px 0 20px 0;
    letter-spacing: -0.03em;
}

.purifydocs_content p {
    font-size: 1.05rem;
    line-height: 1.7;
    color: var(--purify-text-muted);
    margin-bottom: 24px;
}

.purifydocs_content ul {
    margin-bottom: 32px;
    padding-left: 20px;
}

.purifydocs_content li {
    margin-bottom: 12px;
    color: var(--purify-text-muted);
}

.purifydocs_code_block {
    background: #0D1117;
    border-radius: 16px;
    padding: 24px;
    margin: 32px 0;
    position: relative;
    overflow-x: auto;
    border: 1px solid rgba(255, 255, 255, 0.05);
}

.purifydocs_code_block code {
    font-family: 'Fira Code', 'Courier New', monospace;
    font-size: 0.9rem;
    line-height: 1.6;
    color: #e6edf3;
}

.purifydocs_alert {
    padding: 24px;
    border-radius: 16px;
    display: flex;
    gap: 16px;
    margin: 40px 0;
}

.purifydocs_alert_info { background: #E0F2FE; color: #0369A1; border: 1px solid #BAE6FD; }
.purifydocs_alert_warning { background: #FFFBEB; color: #92400E; border: 1px solid #FDE68A; }

.purifydocs_alert i { font-size: 1.4rem; margin-top: 2px; }

@media (max-width: 1024px) {
    .purifydocs_layout { grid-template-columns: 1fr; }
    .purifydocs_sidebar { display: none; }
    .purifydocs_content { max-width: 100%; }
    .purifydocs_content h1 { font-size: 2.2rem; }
}