:root {
  --bg-main: #f7f7f7;
  --bg-secondary: #fff;
  --text-main: #222;
  --text-secondary: #666;
  --accent: #7ec4b2;
  --accent-gradient: linear-gradient(90deg, #7ec4b2 0%, #b5e0d3 100%);
  --border-radius: 16px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --font-main: 'Noto Sans SC', 'Helvetica Neue', Arial, sans-serif;
}

body.theme-nordic {
  background: var(--bg-main);
}

/* 原木色点缀可用于装饰元素 */
.nordic-wood {
  background: linear-gradient(90deg, #e7d6c4 0%, #cbb89d 100%);
}