图表随容器宽度重绘；刷新数据

Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>

index.html

@@ -4,6 +4,7 @@
 <meta charset="utf-8">
 <meta name="viewport" content="width=device-width, initial-scale=1">
 <title>Tecdo 消耗与余额</title>
+<link rel="icon" href="data:,">
 <style>
 :root {
   color-scheme: light;
@@ -405,8 +406,14 @@ Promise.all([
   err.textContent = '数据加载失败：' + e.message;
 });
 
-let resizeTimer;
-addEventListener('resize', () => { clearTimeout(resizeTimer); resizeTimer = setTimeout(drawCharts, 120); });
+let resizeTimer, lastWidth = 0;
+new ResizeObserver(entries => {
+  const w = Math.round(entries[0].contentRect.width);
+  if (w === lastWidth) return;
+  lastWidth = w;
+  clearTimeout(resizeTimer);
+  resizeTimer = setTimeout(drawCharts, 120);
+}).observe(document.querySelector('main'));
 </script>
 </body>
 </html>