@charset "UTF-8";
html {
  scroll-behavior: smooth; }

html, body {
  margin: 0;
  width: 100%;
  height: 100%;
  font-size: 18px;
  text-size-adjust: none;
  -webkit-text-size-adjust: none;
  -moz-text-size-adjust: none; }

body {
  -moz-tab-size: 4;
  tab-size: 4;
  color: var(--color-contrast-high);
  background-color: var(--color-bg);
  overflow-wrap: break-word;
  word-wrap: break-word;
  line-height: 1.618;
  transition: all 0.5s; }

.container {
  min-height: 100%;
  min-width: 100%;
  position: relative; }

.main {
  padding: 2em 1em 15em;
  display: block; }

.main {
  padding-top: 7em; }

.main-inner {
  margin: 0 auto;
  display: block; }

.icon {
  width: 1.05em;
  height: 1em;
  fill: currentColor;
  display: inline-block; }

svg {
  vertical-align: middle; }

h1, h2, h3, h4, h5, h6 {
  margin: 1.618em 0 1em;
  color: var(--color-contrast-higher); }
  h1 a, h2 a, h3 a, h4 a, h5 a, h6 a {
    text-decoration: none !important;
    color: var(--color-contrast-higher); }

h1 {
  font-size: 2em; }

h2 {
  font-size: 1.8em; }

h3 {
  font-size: 1.6em; }

h4 {
  font-size: 1.4em; }

h5 {
  font-size: 1.2em; }

h6 {
  font-size: 1em; }

a {
  color: var(--color-contrast-high);
  text-decoration: none;
  transition: all 0.5s; }
  a:hover {
    color: var(--color-primary); }

::selection {
  background-color: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.3); }

::-webkit-scrollbar {
  width: 0.5rem;
  height: 0.5rem; }

::-webkit-scrollbar-track {
  background-color: var(--color-bg); }

::-webkit-scrollbar-thumb {
  background-color: var(--color-contrast-low); }
  ::-webkit-scrollbar-thumb:hover {
    background-color: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.5); }
  ::-webkit-scrollbar-thumb:active {
    background-color: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.75); }

::-webkit-scrollbar-corner {
  background-color: var(--color-bg); }

.list-title, .term-title, .list-year, .list-month, .post-title, .post-subtitle, .related-title, .post-nav, thead, dt {
  font-family: "Comfortaa", sans-serif; }

.post-body h1, .post-body h2, .post-body h3, .post-body h4, .post-body h5, .post-body h6 {
  font-family: "Comfortaa", sans-serif; }

.contents-title {
  font-family: "Comfortaa", sans-serif; }

code, pre, sup, .post-meta, .updated-badge, .post-gitinfo, .minimal-footer, .minimal-footer-about, .busuanzi-site-uv-and-pv, .copy-button {
  font-family: "Source Code Pro", monospace; }

body {
  font-family: "IBM Plex Serif", serif; }

[data-indent="true"] .contents-title {
  text-align: center; }

[data-indent="true"] .post-body p {
  text-indent: 2em;
  margin: 0; }

[data-indent="true"] .post-body .caption {
  text-indent: 0;
  margin: 0 0 1em; }

[data-indent="true"] .post-body blockquote {
  margin: 1em 0;
  padding: 0;
  border: none; }

[data-indent="true"] .post-body img, [data-indent="true"] .post-body video {
  margin: 1em auto; }

[data-indent="true"] .post-body table {
  margin: 1em 0; }

[data-indent="true"] .post-body pre, [data-indent="true"] .post-body .highlight {
  margin: 1rem 0; }

[data-indent="true"] .post-body h1, [data-indent="true"] .post-body h2, [data-indent="true"] .post-body h3, [data-indent="true"] .post-body h4, [data-indent="true"] .post-body h5, [data-indent="true"] .post-body h6 {
  text-align: center; }

[data-indent="true"] .post-body .anchor-link {
  position: relative;
  transform: none;
  display: block;
  float: none; }

[data-indent="true"] .post-body ol, [data-indent="true"] .post-body ul {
  margin: 0;
  padding-left: 4em; }
  [data-indent="true"] .post-body ol p, [data-indent="true"] .post-body ul p {
    text-indent: 0; }

[data-indent="true"] .post-body li ol, [data-indent="true"] .post-body li ul {
  padding-left: 2em; }

[data-indent="true"] .post-body dl {
  text-indent: 2em; }
  [data-indent="true"] .post-body dl dd {
    text-indent: 0;
    margin-left: 4em; }
  [data-indent="true"] .post-body dl p {
    text-indent: 0; }

@media (prefers-color-scheme: light) {
  :root:not([data-theme]) {
    --theme-name: "light";
    --color-primary: hsl(220, 90%, 56%);
    --color-primary-h: 220;
    --color-primary-s: 90%;
    --color-primary-l: 56%;
    --color-bg: hsl(0, 0%, 100%);
    --color-bg-h: 0;
    --color-bg-s: 0%;
    --color-bg-l: 100%;
    --color-contrast-lower: hsl(0, 0%, 95%);
    --color-contrast-lower-h: 0;
    --color-contrast-lower-s: 0%;
    --color-contrast-lower-l: 95%;
    --color-contrast-low: hsl(240, 1%, 83%);
    --color-contrast-low-h: 240;
    --color-contrast-low-s: 1%;
    --color-contrast-low-l: 83%;
    --color-contrast-medium: hsl(240, 1%, 48%);
    --color-contrast-medium-h: 240;
    --color-contrast-medium-s: 1%;
    --color-contrast-medium-l: 48%;
    --color-contrast-high: hsl(240, 4%, 20%);
    --color-contrast-high-h: 240;
    --color-contrast-high-s: 4%;
    --color-contrast-high-l: 20%;
    --color-contrast-higher: hsl(240, 8%, 12%);
    --color-contrast-higher-h: 240;
    --color-contrast-higher-s: 8%;
    --color-contrast-higher-l: 12%;
    /* https://xyproto.github.io/splash/docs/all.html */
    /* Color values matching manni style */
    --chroma-line-numbers-background: #ffffcc;
    --chroma-line-numbers-color: #7f7f7f;
    --chroma-keyword-color: #006699;
    --chroma-name-color: #9999ff;
    --chroma-attribute-color: #330099;
    --chroma-literal-color: #cc3300;
    --chroma-number-color: #ff6600;
    --chroma-comment-color: #0099ff;
    --chroma-deleted-color: #ffcccc;
    --chroma-output-color: #aaaaaa; }
    :root:not([data-theme]) .theme-icon-light {
      display: inline-block; }
    :root:not([data-theme]) .theme-icon-dark {
      display: none; }
    :root:not([data-theme]) img {
      filter: none; } }

:root {
  --theme-name: "light";
  --color-primary: hsl(220, 90%, 56%);
  --color-primary-h: 220;
  --color-primary-s: 90%;
  --color-primary-l: 56%;
  --color-bg: hsl(0, 0%, 100%);
  --color-bg-h: 0;
  --color-bg-s: 0%;
  --color-bg-l: 100%;
  --color-contrast-lower: hsl(0, 0%, 95%);
  --color-contrast-lower-h: 0;
  --color-contrast-lower-s: 0%;
  --color-contrast-lower-l: 95%;
  --color-contrast-low: hsl(240, 1%, 83%);
  --color-contrast-low-h: 240;
  --color-contrast-low-s: 1%;
  --color-contrast-low-l: 83%;
  --color-contrast-medium: hsl(240, 1%, 48%);
  --color-contrast-medium-h: 240;
  --color-contrast-medium-s: 1%;
  --color-contrast-medium-l: 48%;
  --color-contrast-high: hsl(240, 4%, 20%);
  --color-contrast-high-h: 240;
  --color-contrast-high-s: 4%;
  --color-contrast-high-l: 20%;
  --color-contrast-higher: hsl(240, 8%, 12%);
  --color-contrast-higher-h: 240;
  --color-contrast-higher-s: 8%;
  --color-contrast-higher-l: 12%;
  /* https://xyproto.github.io/splash/docs/all.html */
  /* Color values matching manni style */
  --chroma-line-numbers-background: #ffffcc;
  --chroma-line-numbers-color: #7f7f7f;
  --chroma-keyword-color: #006699;
  --chroma-name-color: #9999ff;
  --chroma-attribute-color: #330099;
  --chroma-literal-color: #cc3300;
  --chroma-number-color: #ff6600;
  --chroma-comment-color: #0099ff;
  --chroma-deleted-color: #ffcccc;
  --chroma-output-color: #aaaaaa; }
  :root .theme-icon-light {
    display: inline-block; }
  :root .theme-icon-dark {
    display: none; }
  :root img {
    filter: none; }

@media (prefers-color-scheme: dark) {
  :root:not([data-theme]) {
    --theme-name: "dark";
    --color-primary: hsl(201, 65%, 62%);
    --color-primary-h: 201;
    --color-primary-s: 65%;
    --color-primary-l: 62%;
    --color-bg: hsl(231, 14%, 10%);
    --color-bg-h: 231;
    --color-bg-s: 14%;
    --color-bg-l: 10%;
    --color-contrast-lower: hsl(230, 12%, 18%);
    --color-contrast-lower-h: 230;
    --color-contrast-lower-s: 12%;
    --color-contrast-lower-l: 18%;
    --color-contrast-low: hsl(240, 2%, 37%);
    --color-contrast-low-h: 240;
    --color-contrast-low-s: 2%;
    --color-contrast-low-l: 37%;
    --color-contrast-medium: hsl(80, 2%, 69%);
    --color-contrast-medium-h: 80;
    --color-contrast-medium-s: 2%;
    --color-contrast-medium-l: 69%;
    --color-contrast-high: hsl(69, 9%, 84%);
    --color-contrast-high-h: 69;
    --color-contrast-high-s: 9%;
    --color-contrast-high-l: 84%;
    --color-contrast-higher: hsl(60, 6%, 90%);
    --color-contrast-higher-h: 60;
    --color-contrast-higher-s: 6%;
    --color-contrast-higher-l: 90%;
    /* https://xyproto.github.io/splash/docs/all.html */
    /* Color values matching dracula style */
    --chroma-line-numbers-background: #ffffcc;
    --chroma-line-numbers-color: #7f7f7f;
    --chroma-keyword-color: #ff79c6;
    --chroma-name-color: #8be9fd;
    --chroma-attribute-color: #50fa7b;
    --chroma-literal-color: #f1fa8c;
    --chroma-number-color: #bd93f9;
    --chroma-comment-color: #6272a4;
    --chroma-deleted-color: #8b080b;
    --chroma-output-color: #44475a; }
    :root:not([data-theme]) .theme-icon-light {
      display: none; }
    :root:not([data-theme]) .theme-icon-dark {
      display: inline-block; }
    :root:not([data-theme]) img {
      filter: brightness(75%); } }

:root[data-theme="dark"] {
  --theme-name: "dark";
  --color-primary: hsl(201, 65%, 62%);
  --color-primary-h: 201;
  --color-primary-s: 65%;
  --color-primary-l: 62%;
  --color-bg: hsl(231, 14%, 10%);
  --color-bg-h: 231;
  --color-bg-s: 14%;
  --color-bg-l: 10%;
  --color-contrast-lower: hsl(230, 12%, 18%);
  --color-contrast-lower-h: 230;
  --color-contrast-lower-s: 12%;
  --color-contrast-lower-l: 18%;
  --color-contrast-low: hsl(240, 2%, 37%);
  --color-contrast-low-h: 240;
  --color-contrast-low-s: 2%;
  --color-contrast-low-l: 37%;
  --color-contrast-medium: hsl(80, 2%, 69%);
  --color-contrast-medium-h: 80;
  --color-contrast-medium-s: 2%;
  --color-contrast-medium-l: 69%;
  --color-contrast-high: hsl(69, 9%, 84%);
  --color-contrast-high-h: 69;
  --color-contrast-high-s: 9%;
  --color-contrast-high-l: 84%;
  --color-contrast-higher: hsl(60, 6%, 90%);
  --color-contrast-higher-h: 60;
  --color-contrast-higher-s: 6%;
  --color-contrast-higher-l: 90%;
  /* https://xyproto.github.io/splash/docs/all.html */
  /* Color values matching dracula style */
  --chroma-line-numbers-background: #ffffcc;
  --chroma-line-numbers-color: #7f7f7f;
  --chroma-keyword-color: #ff79c6;
  --chroma-name-color: #8be9fd;
  --chroma-attribute-color: #50fa7b;
  --chroma-literal-color: #f1fa8c;
  --chroma-number-color: #bd93f9;
  --chroma-comment-color: #6272a4;
  --chroma-deleted-color: #8b080b;
  --chroma-output-color: #44475a; }
  :root[data-theme="dark"] .theme-icon-light {
    display: none; }
  :root[data-theme="dark"] .theme-icon-dark {
    display: inline-block; }
  :root[data-theme="dark"] img {
    filter: brightness(75%); }

#theme-switcher {
  color: var(--color-contrast-medium);
  transition: color 0.5s;
  z-index: 4; }
  #theme-switcher:hover {
    color: var(--color-primary); }
  #theme-switcher .icon {
    margin-right: 0 !important; }

.header {
  z-index: 3; }

.header {
  position: fixed;
  width: 100vw; }

.header-wrapper {
  padding: 1em 0;
  -webkit-backdrop-filter: saturate(180%) blur(1em);
  backdrop-filter: saturate(180%) blur(1em);
  background: linear-gradient(90deg, #f795331a 0, #f370551a 15%, #ef4e7b1a 30%, #a166ab1a 44%, #5073b81a 58%, #1098ad1a 72%, #07b39b1a 86%, #6dba821a 100%);
  transition: background 0.5s; }

.header-inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin: 0 auto;
  max-width: 42em; }

.header-inner.list {
  max-width: 42em; }

.site-brand {
  margin-right: 1em; }

.brand {
  font-size: 1em;
  color: var(--color-contrast-high);
  text-decoration: none; }
  .brand:hover {
    color: var(--color-contrast-high); }

/* $siteBrandFontSize * {body line-height} */
:root {
  /* This is an approximate calculation, it won't cover all scenarios */
  --header-height: calc(
            max(
                /* brand */
                29.124px,
                /* menu */
                21.6px /* {.nav font-size} * {.menu line-height} */
            )
            /* .header-wrapper top+bottom margin */
            + 36px
        ); }

/* Scrolling fix for anchors being hidden below the header */
*[id] {
  scroll-margin-top: var(--header-height); }

#nav-toggle {
  display: none; }

.nav-toggle {
  display: none;
  position: absolute;
  top: 1em;
  right: 1em;
  margin-right: 1em;
  width: 1em;
  height: 1em;
  cursor: pointer; }

.nav-toggle-inner {
  padding: 1em;
  display: inline-block; }

.nav-toggle span {
  display: block;
  position: absolute;
  height: 0.1em;
  width: 1em;
  background-color: var(--color-contrast-high);
  transition: all 0.5s; }
  .nav-toggle span:nth-child(1) {
    top: 0.4em; }
  .nav-toggle span:nth-child(2) {
    top: 0.7em; }
  .nav-toggle span:nth-child(3) {
    top: 1em; }

.nav-toggle.open span:nth-child(1) {
  top: 75%;
  transform: rotate(225deg); }

.nav-toggle.open span:nth-child(2) {
  width: 0;
  opacity: 0;
  transform: rotate(-135deg); }

.nav-toggle.open span:nth-child(3) {
  top: 75%;
  transform: rotate(-45deg); }

.nav-curtain {
  height: 100vh;
  width: 100vw;
  -webkit-backdrop-filter: saturate(180%) blur(1em);
  backdrop-filter: saturate(180%) blur(1em);
  background: linear-gradient(90deg, #f795331a 0, #f370551a 15%, #ef4e7b1a 30%, #a166ab1a 44%, #5073b81a 58%, #1098ad1a 72%, #07b39b1a 86%, #6dba821a 100%) rgba(0, 0, 0, 0.5); }

.nav {
  z-index: 3;
  position: relative; }

.menu {
  padding: 0;
  margin: 0;
  list-style: none;
  line-height: 1.5;
  font-weight: 500; }

.menu-item {
  display: inline-block; }
  .menu-item a {
    color: var(--color-contrast-medium); }
    .menu-item a:hover {
      color: var(--color-primary); }

.active a {
  color: var(--color-primary); }

.nav {
  text-align: right;
  font-size: 80%; }

.menu-item {
  margin-left: 0.5em; }
  .menu-item .icon {
    margin: 0 0.3em 0.2em 0; }

.list .main-inner {
  width: 42em; }

.list-title {
  text-align: center; }

.list ul {
  list-style: none;
  padding: 0; }

.list-item-title {
  flex: 1; }

.list-item-time {
  text-align: right;
  margin-left: 1em; }

.list-item {
  line-height: 2;
  position: relative;
  transition: border 0.5s;
  border-bottom: 1px dashed var(--color-contrast-low);
  margin-top: 1em;
  padding-bottom: 0.5em;
  display: flex;
  align-items: baseline; }
  .list-item:hover {
    border-bottom-color: var(--color-primary); }
    .list-item:hover ::before {
      background: var(--color-primary); }
  .list-item ::before {
    content: " ";
    position: absolute;
    left: 0.618em;
    top: 0.618em;
    width: 6px;
    height: 6px;
    background: var(--color-contrast-low);
    border-radius: 50%;
    border: 1px solid var(--color-bg);
    transition: background 0.5s;
    font-size: 1rem; }

.list-item-title {
  margin: 0 0.618em 0 2em;
  font-size: 1.2em;
  line-height: 1.5; }

.list-item-time {
  margin: 0 0.618em 0 2em;
  color: var(--color-contrast-medium);
  line-height: 1.5; }

.list-read-more {
  margin-top: 1em;
  font-size: 1.2em;
  line-height: 1.5; }

.list-year {
  display: flex;
  justify-content: space-between;
  align-items: baseline; }

.term-count {
  color: var(--color-contrast-medium);
  font-size: 0.7em; }

.single .main-inner {
  width: 42em; }

.post-title {
  text-align: center; }

.post-subtitle {
  font-size: 1.8em;
  text-align: center;
  font-weight: 700;
  margin-top: -0.618em; }

.post-description {
  text-align: center;
  margin: 1rem 0;
  font-size: 90%; }

.post-body {
  margin-top: 5em !important; }
  .post-body a {
    text-decoration: underline;
    text-decoration-color: var(--color-contrast-low); }
    .post-body a:hover {
      text-decoration-color: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.5); }

.post p {
  margin: 1em 0;
  line-height: 1.618; }

.post img {
  display: block;
  margin: 2em auto;
  max-width: 100%;
  border: 1px solid var(--color-contrast-lower);
  clear: both; }

.post video {
  display: block;
  max-width: 100%;
  margin: 2em auto;
  clear: both; }

.post sup {
  font-size: 70%;
  vertical-align: super; }
  .post sup a {
    text-decoration: none; }

.post ol, .post ul {
  margin: 0;
  padding-left: 2em;
  line-height: 1.618; }

.post hr {
  border: none;
  margin: 2.427em 0 1.5em;
  text-align: center; }
  .post hr::after {
    content: "···";
    letter-spacing: 2em;
    padding-left: 2em; }

blockquote {
  margin: 2em 0;
  padding-left: 1em;
  color: var(--color-contrast-medium);
  border-left: 3px solid var(--color-contrast-low); }
  blockquote a {
    color: var(--color-contrast-medium); }
    blockquote a:hover {
      color: var(--color-primary); }

.drop-cap {
  float: left;
  font-size: 54px;
  margin-right: 11.124px;
  margin-top: 11.12484549px;
  line-height: 29.124px; }

.caption {
  display: block;
  text-align: center;
  margin: -1em 0 0;
  font-size: 90%;
  color: var(--color-contrast-medium); }

.contents {
  margin-top: 5em; }
  .contents ol, .contents ul {
    list-style: none; }

ol.toc, ul.toc {
  padding: 0;
  overflow: auto hidden;
  white-space: nowrap; }

.footnotes {
  font-size: 90%;
  margin-top: 5rem; }
  .footnotes hr {
    margin: 0;
    height: 1px;
    border: none;
    background-color: var(--color-contrast-medium); }
    .footnotes hr::after {
      content: none; }
  .footnotes ol {
    margin: 1.618rem 0 0 !important;
    padding: 0 1rem 0 2rem !important; }

.footnote-icon {
  fill: hsla(var(--color-contrast-high-h), var(--color-contrast-high-s), var(--color-contrast-high-l), 0.5);
  transition: fill 0.5s;
  margin-bottom: 0.3em; }
  .footnote-icon:hover {
    fill: var(--color-primary); }

.anchor-link {
  position: absolute;
  transform: translate(-150%); }

.anchor-icon {
  width: 0.75em;
  height: 0.75em;
  vertical-align: baseline; }

:root {
  --anchor-opacity: 0; }

.anchor-link {
  opacity: var(--anchor-opacity);
  transition: all 0.25s; }

.post h1:hover, .post h2:hover, .post h3:hover, .post h4:hover, .post h5:hover, .post h6:hover, .post .anchor-link:hover {
  --anchor-opacity: 1; }

.table-container {
  margin: 2em 0;
  overflow-x: auto; }

table {
  width: 100%;
  border-collapse: collapse;
  border-spacing: 0;
  border-color: var(--color-contrast-lower); }

th {
  font-weight: 700; }

th, td {
  font-size: 0.9em;
  padding: 0.4em;
  border: 1px solid var(--color-contrast-lower); }

table > tbody > tr:nth-of-type(odd) {
  background-color: hsla(var(--color-contrast-lower-h), var(--color-contrast-lower-s), var(--color-contrast-lower-l), 0.5); }

table > tbody > tr:hover {
  background-color: var(--color-contrast-lower); }

dt {
  font-weight: 700; }

dd {
  margin-left: 2em; }

code {
  padding: 2.25px 4.5px;
  background-color: hsla(var(--color-contrast-lower-h), var(--color-contrast-lower-s), var(--color-contrast-lower-l), 0.5);
  font-size: 80%; }

pre {
  overflow: auto;
  overflow-wrap: normal;
  word-wrap: normal;
  font-size: 0.8rem;
  margin: 2rem 0;
  padding: 1em;
  line-height: 1.618;
  background-color: hsla(var(--color-contrast-lower-h), var(--color-contrast-lower-s), var(--color-contrast-lower-l), 0.5); }
  pre code {
    background-color: unset;
    font-size: 0.8rem;
    padding: 0; }

pre {
  max-height: -1em; }

.copy-button {
  position: absolute;
  top: 0;
  right: 0;
  border: 0;
  font-size: inherit;
  color: var(--color-bg);
  background-color: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.5);
  transition: all 0.5s;
  cursor: pointer; }
  .copy-button:hover {
    background-color: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.5); }

.copy-button {
  visibility: hidden;
  opacity: 0; }

.katex-display, mjx-container[jax="CHTML"][display="true"] {
  overflow: auto hidden;
  text-indent: 0; }

.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  font-size: 90%;
  color: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.8); }
  .footer a {
    color: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.8); }
    .footer a:hover {
      color: var(--color-primary); }

.footer-inner {
  padding: 1em;
  text-align: center; }

.footer-icon {
  margin: 0 0.25em 0.3em; }

.footer-icon {
  fill: #f06292; }

@keyframes heartbeat {
  0%, 100% {
    transform: scale(1); }
  10%, 30% {
    transform: scale(0.9); }
  20%, 40%, 50%, 60%, 70%, 80% {
    transform: scale(1.1); } }

.footer-icon {
  animation: heartbeat 1.33s ease-in-out infinite; }

.post-meta {
  color: var(--color-contrast-medium);
  font-size: 80%;
  text-align: center;
  margin: 1rem 0; }
  .post-meta a {
    color: var(--color-contrast-medium); }
    .post-meta a:hover {
      color: var(--color-primary); }

.home .post-meta {
  margin: 1rem 0; }

.post-meta-item {
  margin: 0.5em;
  display: inline-block; }

.post-meta-icon {
  fill: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.5);
  margin-bottom: 0.3em; }

.post-copyright {
  margin: 0;
  list-style: none;
  margin-top: 5em !important;
  padding: 0.5em 1em;
  background-color: hsla(var(--color-contrast-lower-h), var(--color-contrast-lower-s), var(--color-contrast-lower-l), 0.5);
  border-left: 3px solid hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.5);
  line-height: 2; }

.copyright-item {
  line-height: 1.5;
  margin: 0.5em 0; }

.copyright-item-text {
  font-weight: 500; }

.updated-badge-container {
  margin-top: 5em;
  text-align: center; }

.updated-badge-left {
  fill: var(--color-contrast-low); }

.updated-badge-right {
  fill: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.5); }

.post-share {
  margin-top: 5rem;
  color: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.8); }
  .post-share a {
    color: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.8); }
    .post-share a:hover {
      color: inherit; }

.share-items {
  text-align: center; }

.share-item {
  margin: 0 0.5em; }

.share-item {
  display: inline-block; }
  .share-item .icon {
    transition: fill 0.5s; }

.twitter-icon:hover {
  fill: #1DA1F2; }

.facebook-icon:hover {
  fill: #1877F2; }

.linkedin-icon:hover {
  fill: #0077B5; }

.telegram-icon:hover {
  fill: #2CA5E0; }

.weibo-icon:hover {
  fill: #E6162D; }

.douban-icon:hover {
  fill: #007722; }

.qq-icon:hover {
  fill: #12B7F5; }

.qzone-icon:hover {
  fill: #FECE00; }

.qrcode-icon:hover {
  fill: var(--color-primary); }

#qrcode-img {
  position: absolute;
  transform: translate(calc(-100% + 1em), calc(-100% - 1em));
  opacity: 0;
  transition: opacity 0.5s; }
  #qrcode-img img {
    display: none; }

.qrcode-container:hover #qrcode-img {
  opacity: 1; }
  .qrcode-container:hover #qrcode-img img {
    display: inline-block;
    border: 1px solid var(--color-contrast-lower); }

.related-posts {
  border: 1px solid var(--color-contrast-lower);
  padding: 0.6em 1em;
  line-height: 2em;
  margin-top: 5em; }

.related-title {
  font-size: 1em;
  margin: 0; }

.related-icon {
  float: right;
  margin-top: 0.4em; }

.related-list {
  margin: 0;
  padding: 0;
  list-style: none; }

.related-link {
  line-height: 1.5;
  display: inline-block; }

.post-tags {
  margin-top: 5rem;
  text-align: center;
  font-size: 90%; }

.post-tags-link {
  color: hsla(var(--color-contrast-medium-h), var(--color-contrast-medium-s), var(--color-contrast-medium-l), 0.9);
  margin: 0 0.5em;
  line-height: 2;
  display: inline-block; }

.tag-icon {
  margin-right: 0.3em;
  font-size: 80%; }

.post-nav {
  list-style: none;
  padding: 0;
  display: flex;
  justify-content: space-between;
  border-top: 1px solid var(--color-contrast-lower);
  font-weight: 700;
  margin-top: 5em;
  padding-top: 0.618em; }

.post-nav-prev {
  margin-right: auto;
  max-width: 42%; }

.post-nav-next {
  margin-left: auto;
  text-align: right;
  max-width: 42%; }

.back-to-top {
  position: fixed;
  right: 0;
  z-index: 1; }
  .back-to-top a {
    display: block;
    padding: 1em;
    color: var(--color-contrast-medium); }
    .back-to-top a:hover {
      color: var(--color-primary); }

.back-to-top {
  bottom: -3.6em;
  transition: bottom 0.3s ease-in-out; }
  .back-to-top.show {
    bottom: 0; }

.highlight {
  font-size: 0.8rem;
  margin: 2rem 0; }
  .highlight pre {
    margin: 0 !important;
    max-height: unset; }
  .highlight .lntd pre {
    background-color: unset;
    overflow: visible; }
  .highlight table > tbody > tr:nth-of-type(odd) {
    background-color: inherit; }
  .highlight table > tbody > tr:hover {
    background-color: inherit; }

span.lnt {
  user-select: none;
  display: block;
  margin-right: -1em !important;
  padding: 0 !important;
  text-align: right; }

.chroma {
  color: var(--color-contrast-high);
  background-color: hsla(var(--color-contrast-lower-h), var(--color-contrast-lower-s), var(--color-contrast-lower-l), 0.5); }

.lntable, .highlight > pre {
  max-height: -1em; }

/* The following is the output of `hugo gen chromastyles --style=dracula` */
/* with color values replaced by variables. */
/* LineTableTD */
.chroma .lntd {
  vertical-align: top;
  padding: 0;
  margin: 0;
  border: 0; }

/* LineTable */
.chroma .lntable {
  border-spacing: 0;
  padding: 0;
  margin: 0;
  border: 0;
  width: auto;
  overflow: auto;
  display: block; }

/* LineHighlight */
.chroma .hl {
  display: block;
  width: 100%;
  background-color: var(--chroma-line-numbers-background); }

/* LineNumbersTable */
.chroma .lnt {
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: var(--chroma-line-numbers-color); }

/* LineNumbers */
.chroma .ln {
  margin-right: 0.4em;
  padding: 0 0.4em 0 0.4em;
  color: var(--chroma-line-numbers-color); }

/* Keyword */
.chroma .k {
  color: var(--chroma-keyword-color); }

/* KeywordConstant */
.chroma .kc {
  color: var(--chroma-keyword-color); }

/* KeywordDeclaration */
.chroma .kd {
  color: var(--chroma-declaration-color);
  font-style: italic; }

/* KeywordNamespace */
.chroma .kn {
  color: var(--chroma-name-color); }

/* KeywordPseudo */
.chroma .kp {
  color: var(--chroma-keyword-color); }

/* KeywordReserved */
.chroma .kr {
  color: var(--chroma-keyword-color); }

/* KeywordType */
.chroma .kt {
  color: var(--chroma-name-color); }

/* NameAttribute */
.chroma .na {
  color: var(--chroma-attribute-color); }

/* NameBuiltin */
.chroma .nb {
  color: var(--chroma-name-color);
  font-style: italic; }

/* NameClass */
.chroma .nc {
  color: var(--chroma-attribute-color); }

/* NameFunction */
.chroma .nf {
  color: var(--chroma-attribute-color); }

/* NameLabel */
.chroma .nl {
  color: var(--chroma-name-color);
  font-style: italic; }

/* NameTag */
.chroma .nt {
  color: var(--chroma-keyword-color); }

/* NameVariable */
.chroma .nv {
  color: var(--chroma-name-color);
  font-style: italic; }

/* NameVariableClass */
.chroma .vc {
  color: var(--chroma-name-color);
  font-style: italic; }

/* NameVariableGlobal */
.chroma .vg {
  color: var(--chroma-name-color);
  font-style: italic; }

/* NameVariableInstance */
.chroma .vi {
  color: var(--chroma-name-color);
  font-style: italic; }

/* LiteralString */
.chroma .s {
  color: var(--chroma-literal-color); }

/* LiteralStringAffix */
.chroma .sa {
  color: var(--chroma-literal-color); }

/* LiteralStringBacktick */
.chroma .sb {
  color: var(--chroma-literal-color); }

/* LiteralStringChar */
.chroma .sc {
  color: var(--chroma-literal-color); }

/* LiteralStringDelimiter */
.chroma .dl {
  color: var(--chroma-literal-color); }

/* LiteralStringDoc */
.chroma .sd {
  color: var(--chroma-literal-color); }

/* LiteralStringDouble */
.chroma .s2 {
  color: var(--chroma-literal-color); }

/* LiteralStringEscape */
.chroma .se {
  color: var(--chroma-literal-color); }

/* LiteralStringHeredoc */
.chroma .sh {
  color: var(--chroma-literal-color); }

/* LiteralStringInterpol */
.chroma .si {
  color: var(--chroma-literal-color); }

/* LiteralStringOther */
.chroma .sx {
  color: var(--chroma-literal-color); }

/* LiteralStringRegex */
.chroma .sr {
  color: var(--chroma-literal-color); }

/* LiteralStringSingle */
.chroma .s1 {
  color: var(--chroma-literal-color); }

/* LiteralStringSymbol */
.chroma .ss {
  color: var(--chroma-literal-color); }

/* LiteralNumber */
.chroma .m {
  color: var(--chroma-number-color); }

/* LiteralNumberBin */
.chroma .mb {
  color: var(--chroma-number-color); }

/* LiteralNumberFloat */
.chroma .mf {
  color: var(--chroma-number-color); }

/* LiteralNumberHex */
.chroma .mh {
  color: var(--chroma-number-color); }

/* LiteralNumberInteger */
.chroma .mi {
  color: var(--chroma-number-color); }

/* LiteralNumberIntegerLong */
.chroma .il {
  color: var(--chroma-number-color); }

/* LiteralNumberOct */
.chroma .mo {
  color: var(--chroma-number-color); }

/* Operator */
.chroma .o {
  color: var(--chroma-keyword-color); }

/* OperatorWord */
.chroma .ow {
  color: var(--chroma-keyword-color); }

/* Comment */
.chroma .c {
  color: var(--chroma-comment-color); }

/* CommentHashbang */
.chroma .ch {
  color: var(--chroma-comment-color); }

/* CommentMultiline */
.chroma .cm {
  color: var(--chroma-comment-color); }

/* CommentSingle */
.chroma .c1 {
  color: var(--chroma-comment-color); }

/* CommentSpecial */
.chroma .cs {
  color: var(--chroma-comment-color); }

/* CommentPreproc */
.chroma .cp {
  color: var(--chroma-keyword-color); }

/* CommentPreprocFile */
.chroma .cpf {
  color: var(--chroma-keyword-color); }

/* GenericDeleted */
.chroma .gd {
  color: var(--chroma-deleted-color); }

/* GenericEmph */
.chroma .ge {
  text-decoration: underline; }

/* GenericHeading */
.chroma .gh {
  font-weight: bold; }

/* GenericInserted */
.chroma .gi {
  font-weight: bold; }

/* GenericOutput */
.chroma .go {
  color: var(--chroma-output-color); }

/* GenericSubheading */
.chroma .gu {
  font-weight: bold; }

/* GenericUnderline */
.chroma .gl {
  text-decoration: underline; }

article.content.post.home {
  margin-top: 5em; }

.summary-title-link {
  color: var(--color-contrast-higher); }

.summary {
  line-height: 1.618;
  display: block; }

.read-more-container {
  text-align: center;
  margin-top: 1.618em; }

.read-more-link {
  display: inline-block; }

.pagination {
  list-style: none;
  margin: 5em 0 0;
  padding: 0;
  display: flex;
  justify-content: space-between; }

.pagination-prev {
  margin-right: auto; }

.pagination-next {
  margin-left: auto;
  text-align: right; }

.tree {
  overflow: auto hidden;
  white-space: nowrap; }
  .tree ul {
    padding-left: 2.4em; }
  .tree > ul {
    padding: 0; }

.list-categories > li {
  position: relative; }
  .list-categories > li::before {
    content: " ";
    position: absolute;
    top: 2.4em;
    left: 0.1em;
    width: 0.2em;
    height: calc(100% - 2.8em);
    background: var(--color-contrast-lower); }

.category-item {
  color: var(--color-primary);
  font-size: 1.2em; }
  .category-item:hover {
    color: hsla(var(--color-primary-h), var(--color-primary-s), var(--color-primary-l), 0.75); }

.category-count {
  color: var(--color-contrast-medium); }

.category-post:hover {
  color: var(--color-contrast-medium); }

.tag-cloud {
  text-align: center; }

.tag-cloud-item {
  margin: 0.5rem;
  display: inline-block; }

.fof::before {
  background-image: url();
  background-repeat: no-repeat;
  background-size: cover;
  background-position: 50% 50%;
  content: " ";
  position: fixed;
  width: 100%;
  height: 100%;
  top: 0;
  left: 0;
  z-index: 1; }

.fof .main-inner {
  background: rgba(0, 0, 0, 0.25);
  min-height: 100%;
  min-width: 100%;
  position: absolute;
  z-index: 3; }

.fof video {
  position: fixed;
  top: 50%;
  left: 50%;
  min-width: 100%;
  min-height: 100%;
  width: auto;
  height: auto;
  z-index: 2;
  transform: translateX(-50%) translateY(-50%); }

.fof h1 {
  font-size: 3rem;
  text-transform: uppercase;
  letter-spacing: 0.3rem;
  text-align: center;
  top: 15%;
  left: 5%;
  right: 5%;
  position: absolute;
  color: #fff;
  margin: 0.67em 0; }

.fof .fof-footer {
  font-size: 2rem;
  position: absolute;
  bottom: 15%;
  left: 10%;
  right: 10%;
  text-align: center; }

.fof a {
  color: #eee; }
  .fof a:hover {
    color: #fff; }

@media only screen and (max-device-width: 1024px) {
  .fof #bgvid {
    display: none; } }

.medium-zoom-overlay, .medium-zoom-image--opened {
  z-index: 5; }

:root {
  --max-width: 846px; }

@media (max-width: 846px) {
  .main-inner {
    width: auto !important; }
  .anchor-link {
    position: relative;
    transform: none;
    float: right; }
  #back-to-top {
    display: none; }
  .header-inner {
    width: 100%; }
  .site-brand {
    margin-left: 1em; }
  .header-inner {
    display: block;
    margin: 0;
    max-width: none; }
  .nav-toggle {
    display: block; }
  .nav {
    display: none;
    text-align: center;
    margin: 2em 0; }
  .menu {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    align-items: center; }
  .menu-item {
    margin: 0;
    padding: 1em; }
    .menu-item .icon {
      margin: 0; }
  .menu-item-name {
    display: block; }
  .header.open .nav {
    display: block;
    animation: appear 0.5s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards; }
  @keyframes appear {
    0% {
      opacity: 0;
      height: 0;
      margin: 0;
      transform: scaleY(0);
      transform-origin: top; }
    100% {
      opacity: 1;
      height: 10em;
      margin: 2em 0;
      transform: scaleY(1);
      transform-origin: top; } }
  .header.open .nav-curtain {
    animation: appearCurtain 0.5s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards; }
  @keyframes appearCurtain {
    0% {
      visibility: hidden;
      opacity: 0; }
    100% {
      visibility: visible;
      opacity: 1; } }
  .header.fade .nav {
    display: block;
    animation: fade 0.5s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards; }
  @keyframes fade {
    0% {
      opacity: 1;
      height: 10em;
      margin: 2em 0;
      transform: scaleY(1);
      transform-origin: top; }
    100% {
      opacity: 0;
      height: 0;
      margin: 0;
      transform: scaleY(0);
      transform-origin: top; } }
  .header.fade .nav-curtain {
    animation: fadeCurtain 0.5s;
    animation-iteration-count: 1;
    animation-fill-mode: forwards; }
  @keyframes fadeCurtain {
    0% {
      visibility: visible;
      opacity: 1; }
    100% {
      visibility: hidden;
      opacity: 0; } }
  #langs li {
    width: auto; } }

[data-small-caps="true"] .post-body h1, [data-small-caps="true"] .post-body h2, [data-small-caps="true"] .post-body h3, [data-small-caps="true"] .post-body h4, [data-small-caps="true"] .post-body h5, [data-small-caps="true"] .post-body h6 {
  font-variant: small-caps; }

[data-small-caps="true"] .contents-title {
  font-variant: small-caps; }

[data-align="justify"] .post-body p, [data-align="justify"] .post-body li, [data-align="justify"] .post-body dd {
  text-align: justify;
  text-justify: distribute; }

[data-align="justify"] .footnotes a {
  word-break: break-all; }

[data-align="center"] .post-body p {
  text-align: center; }

[data-type="poetry"] .post-body {
  display: table;
  margin: 0 auto; }
  [data-type="poetry"] .post-body p {
    margin: 0 0 1em; }

[data-type="poetry"] .post-body > p:first-child img, [data-type="poetry"] .post-body > p:first-child video {
  margin-top: 0; }

[data-type="poetry"] .post-body > blockquote:first-child {
  margin-top: 0; }

[data-type="poetry"] .post-body > blockquote:last-child {
  margin-bottom: 0; }

[data-type="poetry"] .post-body > p:last-child {
  margin: 0; }

[data-type="poetry"] .post-body > p:last-child img, [data-type="poetry"] .post-body > p:last-child video {
  margin-bottom: 0; }

[data-type="poetry"] .post-body > p:last-child .caption {
  margin: 1em 0 0; }

[data-type="poetry"] section.footnotes > ol > li:last-child > p:last-child {
  margin: 0; }

[data-toc-num="true"] .contents ol {
  counter-reset: item; }
  [data-toc-num="true"] .contents ol li::before {
    counter-increment: item;
    margin-right: 0.5em; }

[data-toc-num="true"] .contents > ol > li::before {
  content: counters(item, ".") "."; }

[data-toc-num="true"] .contents li > ol > li::before {
  content: counters(item, "."); }

@supports not ((backdrop-filter: none) or (-webkit-backdrop-filter: none)) {
  .header-wrapper {
    background-color: var(--color-bg); } }