/* =====================================================
  Design tokens / 全局设计变量
  Blue & White Portfolio — desktop / tablet / mobile
===================================================== */
:root {
  color-scheme: light;
  --blue: #245eff;
  --blue-deep: #1847db;
  --blue-soft: #eaf1ff;
  --blue-faint: #f6f9ff;
  --navy: #142852;
  --navy-light: #263d67;
  --muted: #667897;
  --muted-light: #93a2bc;
  --line: #e4eaf5;
  --line-strong: #d7e1f2;
  --white: #ffffff;
  --surface: #f9fbff;
  --shadow-card: 0 9px 34px rgba(22, 52, 109, .048);
  --shadow-hover: 0 20px 43px rgba(22, 52, 109, .095);
  --radius-sm: 10px;
  --radius: 16px;
  --radius-lg: 22px;
  --max-width: 1160px;
  --header-height: 76px;
  --body-font: Inter, 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
}