hexo-theme-keep/source/css/layout/common/variables.styl

// ==================================
// ils-x variables
// ==================================

// ===============================
// layout
// ===============================
$header-height = 100px; // 头部默认高度
$header-shrink-height = 60px; // 头部收缩高度
$main-content-width = 60%; // 中间内容区域宽度
$media-max-width = 760px; // 媒体查询最大宽度

// ===============================
// z-index
// ===============================
$z-index-1 = 1001;
$z-index-2 = 1002;
$z-index-3 = 1003;
$z-index-4 = 1004;
$z-index-5 = 1005;
$z-index-6 = 1006;


// ===============================
// color
// ===============================
// normal mode color
$primary-color = #1b65ea; // 主题颜色
$background-color = #fdfdfd; // 背景颜色
$normal-text-color = #44424e; // 通用文本颜色（默认字体颜色）
$first-text-color = darken($normal-text-color, 15%); // 第一文本颜色
$second-text-color = darken($normal-text-color, 5%); // 第二文本颜色
$third-text-color = lighten($normal-text-color, 30%); // 第三文本颜色
$border-color = darken($background-color, 15%); // 边框颜色
$selection-color = lighten($primary-color, 20%);

// dark mode color
$dark-primary-color = $primary-color;
$dark-background-color = #3a3a3a;
$dark-normal-text-color = #bbb;
$dark-first-text-color = lighten($dark-normal-text-color, 30%);
$dark-second-text-color = lighten($dark-normal-text-color, 20%);
$dark-third-text-color = darken($dark-normal-text-color, 20%);
$dark-border-color = lighten($dark-background-color, 20%);
$dark-selection-color = $selection-color;


// ===============================
// font
// ===============================
//$default-font-family = 'PingHei', 'PingFang SC', 'Microsoft YaHei';
//$default-font-family = 'PingFang SC', 'Hiragino Sans GB', 'STHeiti Light';
//$default-font-family = 'Microsoft YaHei', 'SimHei', 'WenQuanYi Micro Hei', sans-serif;
//$default-font-family = "Exo 2", "Trebuchet MS", "Helvetica", "Arial";
$default-font-family = Optima-Regular, Optima, PingFangSC-light, PingFangTC-light, 'PingFang SC', Cambria, Cochin, Georgia, Times, 'Times New Roman', serif;
$default-font-size = 15px;
$default-font-line-height = 20px;
$default-font-weight = 400;


:root {
  --background-color: $background-color;
  --primary-color: $primary-color;
  --first-text-color: $first-text-color;
  --second-text-color: $second-text-color;
  --third-text-color: $third-text-color;
  --normal-text-color: $normal-text-color;
  --border-color: $border-color;
  --selection-color: $selection-color;
}

@media (prefers-color-scheme: dark) {
  :root {
    --background-color: $dark-background-color;
    --primary-color: $dark-primary-color;
    --first-text-color: $dark-first-text-color;
    --second-text-color: $dark-second-text-color;
    --third-text-color: $dark-third-text-color;
    --normal-text-color: $dark-normal-text-color;
    --border-color: $dark-border-color;
    --selection-color: $dark-selection-color;
  }
}


.dark-mode {
  --background-color: $dark-background-color;
  --primary-color: $dark-primary-color;
  --first-text-color: $dark-first-text-color;
  --second-text-color: $dark-second-text-color;
  --third-text-color: $dark-third-text-color;
  --normal-text-color: $dark-normal-text-color;
  --border-color: $dark-border-color;
  --selection-color: $dark-selection-color;
}

.light-mode {
  --background-color: $background-color;
  --primary-color: $primary-color;
  --first-text-color: $first-text-color;
  --second-text-color: $second-text-color;
  --third-text-color: $third-text-color;
  --normal-text-color: $normal-text-color;
  --border-color: $border-color;
  --selection-color: $selection-color;
}