/* TUM 品牌 token，取自 .claude/skills/tum-design */
:root {
  --tum-blue:        #0065BD;
  --tum-blue-dark:   #005293;
  --tum-blue-darker: #003359;
  --tum-blue-medium: #64A0C8;
  --tum-blue-light:  #98C6EA;
  --tum-green:  #A2AD00;
  --tum-orange: #E37222;
  --tum-ivory-light: #EEECE1;
  --tum-gray-5:  #F2F2F2;
  --tum-gray-50: #808080;
  --tum-black: #000000;
  --tum-white: #FFFFFF;
  --font-sans: "TUM Neue Helvetica", "Helvetica Neue", Helvetica, Arial, "Liberation Sans", sans-serif;
  --font-mono: "Courier New", Courier, monospace;
  /* 发丝线 + 4 档字号(忠于 TUM 25/18/14/11) + 统一内边距 */
  --rule:      #E3E3E3;
  --fs-num:    25px;
  --fs-title:  18px;
  --fs-body:   14px;
  --fs-cap:    11px;
  --pad:       20px;
}
body { font-family: var(--font-sans); color: var(--tum-black); margin: 0; background: var(--tum-white); }
h1, h2, h3 { color: var(--tum-blue); margin: 0 0 .3em; }
.mono { font-family: var(--font-mono); }