* { box-sizing: border-box; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  font: 16px/1.7 system-ui, -apple-system, Segoe UI, Roboto, "Noto Sans TC", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.container {
  max-width: 1100px;
  margin: auto;
  padding: 0 20px;
}