/* MODIFIED FROM tonycrane.cc */

@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://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@400;700&display=swap);
@import url('https://fonts.googleapis.com/css2?family=Noto+Serif+SC:wght@200..900&display=swap');
@import url(https://gcore.jsdelivr.net/npm/lxgw-wenkai-screen-webfont@1.1.0/style.css);



*/:root {
    --r-main-font: "JetBrains Mono", "Noto Serif SC", serif;
    --r-heading-font: "JetBrains Mono", "Noto Serif SC", serif;
    --r-code-font: "LXGW WenKai Screen", "JetBrains Mono", serif;
}

.reveal {
    font-family: var(--r-main-font);
    font-size: 26px;
    font-weight: 300;
    line-height: 1.4;
    color: #222;
    background-color: #fff;
}

.reveal .slide-number {
    font-size: 26px;
    border-radius: 5px;
    background-color: rgba(0, 0, 0, .25);
}

.reveal .slides {
    border: 1.5px rgb(0, 0, 0) solid;
    border-radius: 0px;
    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;
    font-family: var(--r-heading-font);
}

.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 pre.code-wrapper {
    /* 去除圆角、去掉阴影，改为实线黑色边框 */
    border-radius: 0 !important;
    border: 1px solid #000 !important;
    box-shadow: none !important;
    background-clip: padding-box;
}

.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%;
    font-style: normal;
    background-color: #eff5ff;
    border: #004fa4 solid 1px;
}