:root {
  color-scheme: light;
  --jacman-blue: #2ca6cb;
  --jacman-blue-dark: #1b7f9e;
  --jacman-paper: #fafafa;
  --jacman-ink: #413f3f;
  --jacman-muted: #817c7c;
  --jacman-line: #dbdbdb;
  --jacman-warm: #ea6753;
}

button {
  font: inherit;
  touch-action: manipulation;
}

.skip-link {
  position: fixed;
  z-index: 1000;
  top: .5rem;
  left: .5rem;
  padding: .65rem 1rem;
  transform: translateY(-160%);
  background: #fff;
  color: var(--jacman-blue-dark);
  box-shadow: 0 2px 8px rgba(0, 0, 0, .25);
}

.skip-link:focus {
  transform: translateY(0);
}

button:focus-visible,
a:focus-visible,
input:focus-visible {
  outline: 3px solid #e9cd4c;
  outline-offset: 3px;
}

.navbar button,
.openaside button,
.sidebar-close-button {
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
}

.navbar button {
  width: 100%;
  min-height: 2rem;
}

.search input::placeholder {
  color: rgba(255, 255, 255, .9);
}

.runtime-message {
  box-sizing: border-box;
  min-height: 12rem;
  padding: 2rem;
  border-left: .5em solid #ccc;
  background: var(--jacman-paper);
}

.runtime-message h1 {
  color: var(--jacman-blue);
}

.runtime-message p {
  margin-top: .6rem;
}

.runtime-message.error {
  border-left-color: var(--jacman-warm);
}

.runtime-message.error h1 {
  color: var(--jacman-warm);
}

.runtime-empty {
  padding: 2rem;
  background: var(--jacman-paper);
  border-left: .5em solid #ccc;
}

.runtime-empty h1,
.view-title h1 {
  color: var(--jacman-blue);
}

.view-title {
  margin-bottom: .125em;
  padding: 1.2em 1em;
  border-left: .5em solid var(--jacman-blue);
  background: var(--jacman-paper);
}

.view-title p {
  margin-top: .35em;
}

.post-list-title {
  display: block;
}

.article-content a {
  overflow-wrap: anywhere;
}

.article-content .article-image-link {
  display: inline-block;
  cursor: zoom-in;
}

.article-content .caption {
  color: var(--jacman-muted);
}

.article-content .katex-display {
  overflow-x: auto;
  overflow-y: hidden;
  padding: .35em 0;
}

.article-content h1,
.article-content h2,
.article-content h3,
.article-content h4 {
  scroll-margin-top: 1rem;
}

.article-content .load-note {
  padding: .8em 1em;
  border-left: .25em solid var(--jacman-blue);
  background: #eef8fb;
}

.article-content .broken-image-notice {
  display: block;
  margin-top: 1em;
}

.article-meta-label {
  color: #aaa;
}

#archive-page {
  overflow: hidden;
}

.archive-part section.post a time {
  box-sizing: border-box;
}

#asidepart[hidden] {
  display: none !important;
}

.page .article-share {
  min-height: 3em;
}

.comments-container {
  min-height: 7em;
  margin-top: 1.5em;
  color: #555;
}

.github-comments {
  padding: 1.25em 4%;
  background: var(--jacman-paper);
}

.comments-heading {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1em;
  padding-bottom: .65em;
  border-bottom: 2px solid #ddd;
}

.comments-heading h2 {
  margin: 0;
  color: var(--jacman-blue);
  font-size: 1.3em;
  font-weight: normal;
}

.comments-primary-action,
.comments-more,
.comments-waiting button {
  border: 0;
  border-radius: 2px;
  background: var(--jacman-blue);
  color: #fff;
  cursor: pointer;
  font: inherit;
  text-decoration: none;
}

.comments-primary-action {
  display: inline-block;
  padding: .45em .8em;
}

.page a.comments-primary-action,
.post a.comments-primary-action,
.page a.comments-primary-action:visited,
.post a.comments-primary-action:visited {
  color: #fff;
}

.page a.comments-primary-action:hover,
.page a.comments-primary-action:focus,
.post a.comments-primary-action:hover,
.post a.comments-primary-action:focus {
  background: #1b7f9e;
  color: #fff;
}

.comments-status {
  margin: 1em 0;
  padding: .7em .9em;
  border-left: .25em solid var(--jacman-blue);
  background: #eef8fb;
}

.comments-status.error {
  border-left-color: #c65d4b;
  background: #fff2ef;
}

.comments-status.success {
  border-left-color: #58a65c;
  background: #f1faf1;
}

.comments-waiting {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .6em;
  margin: 1em 0;
  padding: .75em;
  background: #f4f4f4;
}

.comments-waiting[hidden] {
  display: none;
}

.comments-waiting button,
.comments-more {
  padding: .4em .75em;
}

.comments-waiting button:last-child {
  background: #888;
}

.github-comment {
  padding: 1.1em 0;
  border-bottom: 1px solid #e4e4e4;
}

.github-comment-header {
  display: flex;
  align-items: center;
  gap: .7em;
  margin-bottom: .8em;
}

.github-comment-header img {
  width: 2.5em;
  height: 2.5em;
  border-radius: 50%;
}

.github-comment-header time {
  display: block;
  color: #999;
  font-size: .8em;
}

.github-comment-source {
  margin-left: auto;
  color: #999;
  font-size: .85em;
}

.github-comment-body {
  overflow-wrap: anywhere;
  line-height: 1.7;
}

.github-comment-body > :first-child {
  margin-top: 0;
}

.github-comment-body > :last-child {
  margin-bottom: 0;
}

.comments-more {
  display: block;
  margin: 1em auto 0;
}

.comments-more[hidden] {
  display: none;
}

.taxonomy-list {
  padding: 1.5em 4%;
  background: var(--jacman-paper);
}

.taxonomy-list a {
  display: inline-block;
  margin: .35em;
  padding: .35em .7em;
  background: #e6e6e6;
  color: var(--jacman-blue);
}

.taxonomy-list a:hover {
  background: var(--jacman-blue);
  color: #fff;
}

#toc-aside {
  display: none;
  position: fixed;
  top: 320px;
  right: 2%;
  width: 13%;
  overflow: hidden;
  color: #333;
  font-size: 1em;
  line-height: 1.5;
  opacity: .6;
  transition: opacity 1s ease-out;
}

#toc-aside:hover,
#toc-aside:focus-within {
  opacity: 1;
  transition: opacity .3s ease-out;
}

#toc-aside .toc-child {
  padding-left: 1.5em;
}

#toc-aside strong {
  padding: .3em 0;
  color: var(--jacman-muted);
}

#main:focus {
  outline: none;
}

#main.skip-target:focus {
  outline: 3px solid #e9cd4c;
  outline-offset: 3px;
}

.toc a {
  color: var(--jacman-muted);
}

.toc a:hover,
.toc a.active {
  color: var(--jacman-blue);
}

.toc-number {
  color: #aaa;
}

.sidebar-tools a {
  display: block;
  padding: .5em 5%;
  border-bottom: 1px solid #ccc;
}

.sidebar-tools a:hover {
  color: var(--jacman-blue);
}

.sidebar-close-button {
  display: none;
  color: var(--jacman-blue);
  padding: .25em;
}

.sidebar-close-button::before {
  content: "\f0c9";
  font-family: "FontAwesome";
}

.sidebar-title-with-control,
.sidebar-control-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.sidebar-control-row {
  padding-bottom: .5em;
}

@media only screen and (min-width: 1024px) {
  /* 动态路由会切换 page/archive-part；不要触发静态 Jacman 中遗留的主栏位移动画。 */
  #main {
    transition: none;
  }

  .sidebar-close-button {
    display: block;
    width: 2.25em;
    height: 2.25em;
    margin-left: auto;
  }

  body.aside-collapsed #asidepart {
    display: none;
  }

  body.aside-collapsed #main {
    width: 100%;
  }

  body.aside-collapsed #toc-aside {
    display: block;
  }

  body.aside-collapsed .openaside {
    display: block;
  }
}

#totop {
  display: block;
  width: auto;
  height: auto;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
  opacity: 0;
  visibility: hidden;
  pointer-events: none;
  transition: opacity .3s;
}

#totop img {
  display: block;
  width: auto;
  height: auto;
}

#totop.visible {
  opacity: 1;
  visibility: visible;
  pointer-events: auto;
}

.noscript-message {
  margin: 1rem;
  padding: 1rem;
  background: #fff3cd;
  color: #664d03;
}

#image-lightbox {
  box-sizing: border-box;
  width: min(94vw, 1200px);
  max-width: none;
  max-height: 94vh;
  padding: 2.5rem 1rem 1rem;
  border: 0;
  border-radius: .25rem;
  background: #111;
  color: #fff;
  box-shadow: 0 1rem 4rem rgba(0, 0, 0, .5);
}

#image-lightbox::backdrop {
  background: rgba(0, 0, 0, .78);
}

#image-lightbox figure {
  display: grid;
  place-items: center;
  gap: .75rem;
}

#image-lightbox img {
  display: block;
  max-width: 100%;
  max-height: calc(94vh - 5rem);
  object-fit: contain;
}

#image-lightbox figcaption:empty {
  display: none;
}

.lightbox-close {
  position: absolute;
  top: .25rem;
  right: .5rem;
  width: 2rem;
  height: 2rem;
  border: 0;
  background: transparent;
  color: #fff;
  font-size: 1.75rem;
  line-height: 1;
  cursor: pointer;
}

.copyright {
  padding-bottom: 1em;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
  }
}