/* 52LIFT v1.0: homepage tokens + explicitly defined subpage extensions. */
:root {
color-scheme: light dark;
  --blue: #15458d;
  --blue-strong: #0c326c;
  --blue-soft: #eaf1fb;
  --ink: #172638;
  --muted: #627185;
  --line: #dce3ec;
  --surface: #ffffff;
  --surface-alt: #f4f6f9;
  --viewer: #e8edf2;
  --diagram: #eef3f9;
  --grid-line: rgba(21, 69, 141, .055);
  --feature-line: #87a2c7;
  --focus: #3d75c7;
  --card-shadow: 0 12px 30px rgba(31, 46, 67, .065);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  font-synthesis: none;
  -webkit-font-smoothing: antialiased;
  /* New subpage semantic tokens; source colors above are unchanged. */
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --action-bg: #15458d;
  --action-bg-hover: #0c326c;
  --action-fg: #ffffff;
  --success: #23754d;
  --success-soft: #edf7f1;
  --warning: #8a5b19;
  --warning-soft: #fff7e8;
  --danger: #aa3535;
  --danger-soft: #fff0f0;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 20px;
  --space-6: 24px;
  --space-8: 32px;
  --space-10: 40px;
  --space-12: 48px;
  --space-14: 56px;
  --radius-tag: 3px;
  --radius-badge: 4px;
  --radius-control: 5px;
  --radius-panel-mobile: 6px;
  --radius-panel: 8px;
}

@media (prefers-color-scheme: dark) {
  :root {
--blue: #8ab1e7;
    --blue-strong: #bbd7fc;
    --blue-soft: #1b304a;
    --ink: #eef4fb;
    --muted: #a6b4c4;
    --line: #2d3b4d;
    --surface: #141e2b;
    --surface-alt: #0e1722;
    --viewer: #182535;
    --diagram: #1a293d;
    --grid-line: rgba(138, 177, 231, .055);
    --feature-line: #506b8d;
    --focus: #8ab1e7;
    --card-shadow: 0 12px 30px rgba(5, 13, 24, .22);
    --success: #8dd5aa;
    --success-soft: #173528;
    --warning: #e8c07a;
    --warning-soft: #3a2e1c;
    --danger: #ffb0b0;
    --danger-soft: #402626;
  }
}