:root {
  --ink: #202123;
  --muted: #6b6b6b;
  --subtle: #8b8b87;
  --line: #e5e5e2;
  --line-strong: #d4d4d0;
  --paper: #f9f9f8;
  --surface: #ffffff;
  --nav: #202123;
  --nav-2: #ebebe8;
  --blue: #3f6254;
  --blue-soft: #f2f7f4;
  --copper: #76695f;
  --copper-soft: #f5f2ef;
  --green: #3f6254;
  --green-soft: #f2f7f4;
  --red: #9b4e52;
  --red-soft: #faf1f1;
  --yellow: #796b43;
  --yellow-soft: #f8f5eb;
  --purple: #655f72;
  --purple-soft: #f4f2f6;
  --shadow: 0 8px 24px rgba(32, 33, 35, .06);
  --shadow-sm: none;
  --radius: 10px;
  --radius-sm: 8px;
  --sidebar: 244px;
  --topbar: 66px;
  --display: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --body: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  --mono: "SFMono-Regular", Consolas, monospace;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: var(--paper); color: var(--ink); font-family: var(--body); font-size: 14px; line-height: 1.55; }
button, input, select, textarea { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
a { color: inherit; text-decoration: none; }
button { border: 0; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible { outline: 3px solid rgba(51,94,234,.2); outline-offset: 2px; }
::selection { background: #dce5ff; color: #18347e; }