:root{--brand:#ff8c00;--bg:#f7f8fa;--card:#fff;--text:#1a202c;--muted:#718096;--border:#e2e8f0;--radius:12px}*{box-sizing:border-box}html,body{margin:0;padding:0}body{background:var(--bg);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica,Arial,sans-serif;line-height:1.5}a{color:inherit;text-decoration:none}.app-shell{min-height:100vh;display:flex}.sidebar{background:var(--card);border-right:1px solid var(--border);flex-direction:column;gap:24px;width:240px;padding:24px 16px;display:flex}.brand{align-items:center;gap:10px;font-size:18px;font-weight:700;display:flex}.brand-dot{background:var(--brand);color:#fff;border-radius:8px;justify-content:center;align-items:center;width:28px;height:28px;display:inline-flex}.nav{flex-direction:column;gap:4px;display:flex}.nav-item{color:var(--muted);border-radius:8px;align-items:center;gap:12px;padding:10px 12px;font-weight:500;transition:background .15s,color .15s;display:flex}.nav-item:hover{background:var(--bg);color:var(--text)}.nav-item i{text-align:center;width:18px}.main{flex:1;max-width:1100px;padding:32px 40px}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);padding:24px}.btn{background:var(--brand);color:#fff;cursor:pointer;border:none;border-radius:8px;align-items:center;gap:8px;padding:10px 18px;font-size:14px;font-weight:600;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.muted{color:var(--muted)}.grid{grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:16px;display:grid}.module-card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);flex-direction:column;gap:8px;padding:20px;display:flex}.module-card .icon{color:var(--brand);font-size:22px}.switch-row{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:16px 0;display:flex}.switch-row:last-child{border-bottom:none}.wiki-article-content h1{margin:1.25em 0 .5em;font-size:1.75rem}.wiki-article-content h2{margin:1.1em 0 .45em;font-size:1.35rem}.wiki-article-content h3{margin:1em 0 .4em;font-size:1.15rem}.wiki-article-content p{margin:.6em 0}.wiki-article-content ul,.wiki-article-content ol{margin:.6em 0;padding-left:1.4em}.wiki-article-content blockquote{border-left:3px solid var(--brand);color:var(--muted);margin:.8em 0;padding:.25em 0 .25em 1em}.wiki-article-content pre{color:#e2e8f0;background:#1a202c;border-radius:8px;padding:12px 14px;overflow-x:auto}.wiki-article-content img{border-radius:8px;max-width:100%;height:auto}.wiki-article-content a{color:var(--brand);text-decoration:underline}.wiki-article-content hr{border:none;border-top:1px solid var(--border);margin:1.5em 0}