:root {
  --paper: #f4f1e8;
  --paper-soft: #fbfaf6;
  --ink: #171715;
  --muted: #69655b;
  --line: #ddd6c5;
  --line-strong: #c8bfa9;
  --blue: #183a63;
  --blue-soft: #e6eef7;
  --teal: #276760;
  --teal-soft: #e0f0ed;
  --green: #3f6b38;
  --green-soft: #e5efe1;
  --rust: #a24f2b;
  --rust-soft: #f1e2d8;
  --plum: #6f4a68;
  --plum-soft: #eee3ec;
  --amber: #8a641f;
  --amber-soft: #f4e6cf;
  --white: #ffffff;
  --shadow: 0 16px 40px rgba(24, 58, 99, 0.08);
  --serif: "Songti SC", "Noto Serif CJK SC", "Source Han Serif SC", Georgia, serif;
  --sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", Arial, sans-serif;
  --mono: "SF Mono", Menlo, Consolas, monospace;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 14px;
  --container: 1180px;
}