/*-- scss:defaults --*/

/* Modified version of the metropolis theme ported into Quarto by Patrick Schwartz */

// fonts
@import url("https://fonts.googleapis.com/css?family=Fira+Sans:300,300i,400,400i,500,500i,700,700i");
@import url("https://fonts.googleapis.com/css?family=Fira+Code:300,300i,400,400i,500,500i,700,700i");
@import url("https://fonts.googleapis.com/css?family=Roboto+Mono|JetBrains+Mono&display=swap");
@import url("https://fonts.googleapis.com/css?family=Roboto:300,400,500,700&display=swap");

$font-family-sans-serif: "Fira Sans", "Roboto", "Droid Serif", serif !default;
$font-family-monospace: "Fira Code", "JetBrains Mono",  monospace;
$presentation-font-size-root: 32px;
$presentation-line-height: 1.5em;
$presentation-heading-font-weight: 400;

// colors
$body-bg: #fafafa !default;
$body-color: #fff !default;
// $link-color: #EB811B !default;
$selection-bg: #26351c;

/* #2A6465 */

// headings
// $presentation-heading-font: "Palatino Linotype", "Book Antiqua", Palatino,
//   FreeSerif, serif !default;
// $presentation-heading-color: #383d3d !default;

/*-- scss:rules --*/

:root {
  --r-background-color: #fff;
  --r-main-font: Source Sans Pro, simhei, microsoft yahei;
  --r-main-font-size: 32px;
  --r-main-color: #434343; // 正文颜色，松烟墨：#434343 乌墨：#1A1A1A
  --r-block-margin: 12px;
  --r-heading-margin: 0 0 12px 0;
  --r-heading-font: Source Sans Pro, simhei, microsoft yahei;
  --r-heading-color: #0c4c8a; //标题颜色：深青蓝色：296364；海军蓝或藏青色：0c4c8a；深青色：006D6D；钻蓝色：0F52BA；酒红：800020
  --r-heading-line-height: 1.2em;
  --r-heading-letter-spacing: normal;
  --r-heading-text-transform: none;
  --r-heading-text-shadow: none;
  --r-heading-font-weight: 900;
  --r-heading1-text-shadow: none;
  --r-heading1-size: 2.5em;
  --r-heading2-size: 1.6em;
  --r-heading3-size: 1.3em;
  --r-heading4-size: 1em;
  --r-code-font: SFMono-Regular, Menlo, Monaco, Consolas, Liberation Mono,
    Courier New, monospace;
  --r-link-color: #ef562d;
  --r-link-color-dark: #ef562d;
  --r-link-color-hover: #d13076;
  --r-selection-background-color: #98bdef;
  --r-selection-color: #fff;
  --quarto-hl-fu-color: #c53800;
}

// 设置背景图片
$background-image: url('');
$background-position: center center;
$background-size: 40%;
$background-repeat: no-repeat;
$background-opacity: 0.04;

// 应用到 reveal.js
.reveal .backgrounds {
  background-image: $background-image;
  background-position: $background-position;
  background-size: $background-size;
  background-repeat: $background-repeat;
  opacity: $background-opacity;
}