:root{--bg-page:#f4f3ef;--bg-card:#fff;--bg-primary:#fff;--text-primary:#1a1a1a;--text-secondary:#555;--text-muted:#888;--accent-tech:#e63946;--accent-world:#2563eb;--accent-ai:#7c3aed;--accent-malaysia:#059669;--border:#e0e0e0;--shadow:0 2px 8px rgba(0,0,0,.08);--shadow-hover:0 8px 24px rgba(0,0,0,.12);--radius:6px;--transition:200ms ease}*{margin:0;padding:0;box-sizing:border-box}body{font-family:Source Sans\ 3,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;background:var(--bg-page);color:var(--text-primary);line-height:1.6}a{color:inherit;text-decoration:none}