:root {
  --ds-font: Inter, "SF Pro Display", "PingFang SC", "Microsoft YaHei", system-ui, Arial, sans-serif;
  --ds-bg: #f4f7fb;
  --ds-ink: #0f1a2b;
  --ds-muted: #5b6b82;
  --ds-line: rgba(20, 40, 80, 0.08);
  --ds-card: #ffffff;
  --ds-soft: #eef3fb;
  --ds-primary: #2f6bff;
  --ds-primary-soft: rgba(47, 107, 255, 0.12);
  --ds-grad: linear-gradient(135deg, #22b8c9, #2f6bff);
  --ds-ok-bg: #e3f7ee;
  --ds-ok-fg: #0f8a5a;
  --ds-run-bg: #fff2dd;
  --ds-run-fg: #b9791a;
  --ds-err-bg: #ffe6e6;
  --ds-err-fg: #c0392b;
  --ds-draft-bg: #eef1f6;
  --ds-draft-fg: #6b7890;
  --ds-cover: linear-gradient(135deg, #9fb4d8, #7187b0);
  --ds-cover-alt: linear-gradient(135deg, #a7d8d0, #6fb3ab);
  --ds-shadow: 0 10px 26px rgba(20, 40, 80, 0.08);
  --ds-shadow-soft: 0 8px 20px rgba(20, 40, 80, 0.05);
  --ds-radius-card: 16px;
  --ds-radius-btn: 12px;
  --ds-tab-active: #2f6bff;
}