SASS变量（举例）

// 颜色定义规范
$color-background: #222;
$color-background-d: rgba(0, 0, 0, 0.3);
$color-highlight-background: #333;
$color-dialog-background: #666;
$color-theme: #ffcd32;
$color-theme-d: rgba(255, 205, 49, 0.5);
$color-sub-theme: #d93f30;
$color-text: #fff;
$color-text-d: rgba(255, 255, 255, 0.3);
$color-text-l: rgba(255, 255, 255, 0.5);
$color-text-ll: rgba(255, 255, 255, 0.8);

// 字体定义规范
$font-size-small-s: 10px;
$font-size-small: 12px;
$font-size-medium: 14px;
$font-size-medium-x: 16px;
$font-size-large: 18px;
$font-size-large-x: 22px;