'timeline');
                const marker = document.createElement('div');
                marker.className = 'current-time-marker';
                marker.style.position = 'absolute';
                marker.style.left = `calc(120px + (100% - 120px) * ${timePercent} / 100)`;
                marker.style.top = '32px';
                marker.style.width = '0';
                marker.style.height = '0';
                marker.style.borderLeft = '6px solid transparent';
                marker.style.borderRight 