/* @import url(https://fonts.googleapis.com/css2?family=Ubuntu:wght@400;600&family=Source+Code+Pro&family=JetBrains+Mono:ital,wght@0,300;0,400;0,600;0,700;1,400;1,700); */
@import url(https://cdn.tonycrane.cc/lxgw/lxgwscreen.css);
@import url(https://cdn.tonycrane.cc/jbmono/jetbrainsmono.css);

@font-face {
  font-family: "仓耳今楷04";
  src: url("font/仓耳今楷04-W04.ttf");
}

@font-face {
  font-family: "楷体_GB2312";
  src: url("font/楷体_GB2312.ttf");
}

:root {
  --r-main-font: "仓耳今楷04", serif;
  --r-heading-font: "华文中宋", sans-serif;
  --r-code-font: "JetBrains Mono", sans-serif;
}

.reveal .slide-number {
  font-size: 26px;
  border-radius: 5px;
  background-color: rgba(0, 0, 0, .4);
}

.reveal .slides {
  border: 1.5px rgba(0, 0, 0, .25) solid;
  border-radius: 7px;
  text-align: left;
  font-weight: 300;
}

.reveal section {
  padding: 20px 0;
}

.reveal p,
.reveal li,
.reveal center {
  font-size: 25px;
}

.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4 {
  font-weight: 700;
}

.reveal p,
.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5 {
  padding: 0 25px 0 25px;
}

.reveal pre {
  font-size: 20px;
  border-radius: 3mm;
}

.reveal pre code {
  max-height: none;
  border-radius: 3mm;
  padding: 20px;
  line-height: 28px;
}

.reveal pre code table {
  font-size: inherit;
}

.reveal ul {
  margin: 0 0 0 1.5em
}

.reveal ol {
  margin: 0 0 0 2em;
}

.reveal li {
  margin-top: 10px;
}

.reveal li+li {
  margin-top: 10px;
}

.reveal ul {
  display: block;
  margin-right: 15px;
}

.reveal h1,
.reveal h2,
.reveal h3,
.reveal h4,
.reveal h5,
.reveal h6 {
  text-align: left;
  margin: 0 0 20px 0;
  color: #222;
  font-weight: 400;
  line-height: 1.2;
  letter-spacing: normal;
}

.reveal h1 {
  margin: 0 10 0 10;
  font-size: 55px;
}

.reveal .middle h1 {
  text-align: center;
}

.reveal h2 {
  font-size: 48px;
  border-bottom: 2px solid rgb(0, 63, 163);
  padding-bottom: 20px;
}

.reveal h3 {
  font-size: 1.15em;
}

.reveal h4 {
  font-size: 1.05em;
}

.reveal .center {
  text-align: center;
}

.reveal .middle {
  height: 660px;
  display: flex;
  align-items: center;
  width: 100%;
}

section .center {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.reveal hr {
  border: 10px solid white;
}

.reveal .middle hr {
  border: 0;
  height: 2px;
  background: radial-gradient(ellipse at center, rgba(1, 14, 54, 0.324) 0, hsla(0, 0%, 100%, 0) 75%);
  margin-bottom: 40px;
}

.reveal table {
  font-size: 25px;
  margin-top: 15px;
  margin-bottom: 15px;
}

.three-line {
  text-align: center;
}

.three-line>table {
  border-top: 1.5pt solid;
  border-bottom: 1.5pt solid;
  text-align: center;
  page-break-inside: avoid;
  display: inline-table !important;
}

.three-line>table>tbody>tr>td {
  border: none;
  padding: 7px 15px;
}

.three-line>table>tbody>tr {
  border: none;
  padding: 7px;
}

.three-line>table>thead {
  border-bottom: 0.75pt solid;
  font-size: 0.9em;
}

.three-line>table th {
  border: none;
}

section>table {
  border: 1.5pt solid;
  text-align: center;
  page-break-inside: avoid;
}

section>table>tbody>tr>td {
  border: 0.75pt solid;
  padding: 7px;
}

section>table>tbody>tr {
  border: 0.75pt solid;
  padding: 7px;
}

section>table>thead {
  border: 0.75pt solid;
  font-size: 0.9em;
}

section>table th {
  border: 0.75px solid;
}

.reveal .mul-cols {
  display: flex;
}

.reveal .mul-cols .col {
  width: 100%
}

html.print-pdf .reveal pre code {
  font-family: var(--r-code-font) !important;
}

/**
 * Modified from https://github.com/sivan/heti
 */

.reveal heti-spacing {
  display: inline;
}

.reveal heti-spacing+sup,
.reveal heti-spacing+sub {
  margin-inline-start: 0;
}

.reveal .heti-spacing {
  font-size: 0.5em;
  vertical-align: top;
}

.reveal .heti-spacing-start {
  margin-inline-end: 0.25em;
}

.reveal .heti-spacing-end {
  margin-inline-start: 0.25em;
}

.reveal heti-adjacent {
  display: inline;
}

.reveal .heti-adjacent-half {
  margin-inline-end: -0.5em;
}

.reveal .heti-adjacent-quarter {
  margin-inline-end: -0.25em;
}

.reveal .slide-number {
  left: 8px;
  right: unset;
}

.MathJax .math {
  font-size: 80%;
}

.katex {
  font-size: 1em;
}

.reveal .slide-menu-button {
  top: 30px;
}

.slide-menu-wrapper .slide-menu {
  background-color: #fff !important;
}

.slide-menu-wrapper .active-menu-panel li.active {
  color: #000 !important;
}

.slide-menu-wrapper .slide-menu-item,
.slide-menu-wrapper .slide-menu-item-vertical {
  color: #555 !important;
}

.slide-menu-wrapper .active-menu-panel li.selected {
  background-color: #ddd !important;
  color: #000 !important;
}

.slide-menu-wrapper .slide-menu-item {
  border-top: none !important;
}

.slide-menu-wrapper .slide-menu-items {
  border-bottom: none !important;
}

.slide-menu-wrapper .slide-menu-panel a {
  color: #000 !important;
}

.slide-menu-wrapper .slide-menu-toolbar>li {
  color: #777 !important;
}

.slide-menu-wrapper .slide-menu-toolbar>li.active-toolbar-button {
  color: #000 !important;
  text-shadow: 0 1px white !important;
}

.slide-menu-wrapper .slide-menu-overlay.active {
  opacity: 0.3 !important;
}

.slide-menu-wrapper .slide-menu.slide-menu--wide {
  width: 450px !important;
}

.reveal blockquote {
  width: 80.5%;
  font-style: normal;
  background-color: #eef4ff;
}