/**
 * 象棋作业 — 设计令牌（对齐 xiangqizuoye-ui/DESIGN.md）
 */
:root {
  --xq-color-primary: #c0392b;
  --xq-color-primary-hover: #a02f22;
  --xq-color-on-primary: #ffffff;

  --xq-color-teacher-blue: #2c3e7a;
  --xq-color-teacher-blue-light: #e8ebf7;
  --xq-color-student-green: #1a6b45;
  --xq-color-student-green-light: #e1f3eb;

  --xq-color-ink: #1a1a1a;
  --xq-color-ink-main: #444444;
  --xq-color-ink-muted: #888888;

  --xq-color-canvas: #fdfaf6;
  --xq-color-surface-1: #ffffff;
  --xq-color-surface-2: #f4efe8;
  --xq-color-surface-3: #ede6d8;

  --xq-color-hairline: #d8cfbf;
  --xq-color-hairline-strong: #bcae97;

  --xq-font-family: "Microsoft YaHei", "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC",
    "Source Han Sans SC", "WenQuanYi Micro Hei", sans-serif;

  --xq-spacing-sm: 12px;
  --xq-spacing-md: 16px;
  --xq-spacing-lg: 24px;
  --xq-spacing-xl: 36px;
  --xq-spacing-section: 72px;

  --xq-rounded-sm: 4px;
  --xq-rounded-md: 6px;
  --xq-header-height: 52px;
  --xq-max-width: 1080px;
}