:root {
  --nel-color-primary: #0b6ff2;
  --nel-color-primary-dark: #083d73;
  --nel-color-page: #f5f9fe;
  --nel-color-surface: #ffffff;
  --nel-color-text: #082f59;
  --nel-color-muted: #5d7691;
  --nel-color-border: #d7e3ef;
  --nel-color-footer: #09244d;
  --nel-color-footer-text: #d9e9fa;
  --nel-font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  --nel-content-max: 1400px;
  --nel-ad-max: 1200px;
  --nel-header-height: 82px;
  --nel-header-height-mobile: 66px;
  --nel-space-sm: 8px;
  --nel-space-md: 16px;
  --nel-space-lg: 24px;
  --nel-radius-sm: 10px;
  --nel-radius-card: 18px;
  --nel-shadow-card: 0 18px 48px rgba(8, 47, 89, 0.10);
  --nel-focus-ring: 0 0 0 3px rgba(11, 111, 242, 0.3);
}