/* Shared base styles for Typora-exported topic pages (专题页):
   export reset + back-home button. Page theme CSS stays inline per page. */
:root {
  --bg-color: #ffffff;
  --text-color: #333333;
  --select-text-bg-color: #B5D6FC;
  --select-text-font-color: auto;
  --monospace: "Lucida Console", Consolas, "Courier", monospace;
  --title-bar-height: 20px;
}

.mac-os-11 {
  --title-bar-height: 28px;
}

html {
  font-size: 14px;
  background-color: var(--bg-color);
  color: var(--text-color);
  font-family: "Helvetica Neue", Helvetica, Arial, "Segoe UI Emoji", "SF Pro", sans-serif;
  -webkit-font-smoothing: antialiased;
}

h1,
h2,
h3,
h4,
h5 {
  white-space: pre-wrap;
}

body {
  margin: 0px;
  padding: 0px;
  height: auto;
  inset: 0px;
  font-size: 1rem;
  line-height: 1.42857;
  overflow-x: hidden;
  background: inherit;
}

iframe {
  margin: auto;
}

a.url {
  word-break: break-all;
}

a:active,
a:hover {
  outline: 0px;
}

.in-text-selection,
::selection {
  text-shadow: none;
  background: var(--select-text-bg-color);
  color: var(--select-text-font-color);
}

#write {
  margin: 0px auto;
  height: auto;
  width: inherit;
  word-break: normal;
  overflow-wrap: break-word;
  position: relative;
  white-space: normal;
  overflow-x: visible;
  padding-top: 36px;
}

#write.first-line-indent p {
  text-indent: 2em;
}

#write.first-line-indent li p,
#write.first-line-indent p *,
#write.first-line-indent svg * {
  text-indent: 0px;
}

#write.first-line-indent li {
  margin-left: 2em;
}

.for-image #write {
  padding-left: 8px;
  padding-right: 8px;
}

body.typora-export {
  padding-left: 30px;
  padding-right: 30px;
}

.typora-export .footnote-line,
.typora-export li,
.typora-export p {
  white-space: pre-wrap;
}

.typora-export .task-list-item input {
  pointer-events: none;
}

@media screen and (max-width: 500px) {
  body.typora-export {
    padding-left: 0px;
    padding-right: 0px;
  }

  #write {
    padding-left: 20px;
    padding-right: 20px;
  }
}

#write li>figure:last-child {
  margin-bottom: 0.5rem;
}

#write ol,
#write ul {
  position: relative;
}

img {
  max-width: 100%;
  vertical-align: middle;
  image-orientation: from-image;
}

img:not([height]) {
  height: auto;
}

button,
input,
select,
textarea {
  color: inherit;
  font: inherit;
}

input[type="checkbox"],
input[type="radio"] {
  line-height: normal;
  padding: 0px;
}

*,
::after,
::before {
  box-sizing: border-box;
}

#write h1,
#write h2,
#write h3,
#write h4,
#write h5,
#write h6,
#write p,
#write pre {
  width: inherit;
  position: relative;
}

#write svg h1,
#write svg h2,
#write svg h3,
#write svg h4,
#write svg h5,
#write svg h6,
#write svg p {
  position: static;
}

svg sub,
svg sup {
  position: static;
}

.nodeLabel p {
  padding-right: 2px;
  padding-left: 2px;
}

.typora-export .nodeLabel p {
  padding-right: 0px;
  padding-left: 0px;
}

foreignobject {
  overflow: visible;
}

p {
  line-height: inherit;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  break-after: avoid-page;
  break-inside: avoid;
  orphans: 4;
}

p {
  orphans: 4;
}

li p {
  orphans: 1;
}

h1 {
  font-size: 2rem;
}

h2 {
  font-size: 1.8rem;
}

h3 {
  font-size: 1.6rem;
}

h4 {
  font-size: 1.4rem;
}

h5 {
  font-size: 1.2rem;
}

h6 {
  font-size: 1rem;
}

.md-math-block,
.md-rawblock,
h1,
h2,
h3,
h4,
h5,
h6,
p {
  margin-top: 1rem;
  margin-bottom: 1rem;
}

.hidden {
  display: none;
}

.md-blockmeta {
  color: rgb(204, 204, 204);
  font-weight: 700;
  font-style: italic;
}

a {
  cursor: pointer;
}

sup.md-footnote {
  padding: 2px 4px;
  background-color: rgba(238, 238, 238, 0.7);
  color: rgb(85, 85, 85);
  border-radius: 4px;
  cursor: pointer;
}

sup.md-footnote a,
sup.md-footnote a:hover {
  color: inherit;
  text-transform: inherit;
  text-decoration: inherit;
}

#write input[type="checkbox"] {
  cursor: pointer;
  width: inherit;
  height: inherit;
}

figure {
  overflow-x: auto;
  margin: 1.2em 0px;
  max-width: calc(100% + 16px);
  padding: 0px;
}

figure>table {
  margin: 0px;
}

thead,
tr {
  break-inside: avoid;
  break-after: auto;
}

thead {
  display: table-header-group;
}

table {
  border-collapse: collapse;
  border-spacing: 0px;
  width: 100%;
  overflow: auto;
  break-inside: auto;
  text-align: left;
}

table.md-table td {
  min-width: 32px;
}

.CodeMirror-gutters {
  border-right: 0px;
  background-color: inherit;
}

.CodeMirror-linenumber {
  user-select: none;
}

.CodeMirror {
  text-align: left;
}

.CodeMirror-placeholder {
  opacity: 0.3;
}

.CodeMirror pre {
  padding: 0px 4px;
}

.CodeMirror-lines {
  padding: 0px;
}

div.hr:focus {
  cursor: none;
}

#write pre {
  white-space: pre-wrap;
}

#write.fences-no-line-wrapping pre {
  white-space: pre;
}

#write pre.ty-contain-cm {
  white-space: normal;
}

.CodeMirror-gutters {
  margin-right: 4px;
}

.md-fences {
  font-size: 0.9rem;
  display: block;
  break-inside: avoid;
  text-align: left;
  overflow: visible;
  white-space: pre;
  background: inherit;
  position: relative !important;
}

.md-fences-adv-panel {
  width: 100%;
  margin-top: 10px;
  text-align: center;
  padding-top: 0px;
  padding-bottom: 8px;
  overflow-x: auto;
}

#write .md-fences.mock-cm {
  white-space: pre-wrap;
}

.md-fences.md-fences-with-lineno {
  padding-left: 0px;
}

#write.fences-no-line-wrapping .md-fences.mock-cm {
  white-space: pre;
  overflow-x: auto;
}

.md-fences.mock-cm.md-fences-with-lineno {
  padding-left: 8px;
}

.CodeMirror-line,
twitterwidget {
  break-inside: avoid;
}

svg {
  break-inside: avoid;
}

.footnotes {
  opacity: 0.8;
  font-size: 0.9rem;
  margin-top: 1em;
  margin-bottom: 1em;
}

.footnotes+.footnotes {
  margin-top: 0px;
}

.md-reset {
  margin: 0px;
  padding: 0px;
  border: 0px;
  outline: 0px;
  vertical-align: top;
  background: 0px 0px;
  text-decoration: none;
  text-shadow: none;
  float: none;
  position: static;
  width: auto;
  height: auto;
  white-space: nowrap;
  cursor: inherit;
  -webkit-tap-highlight-color: transparent;
  line-height: normal;
  font-weight: 400;
  text-align: left;
  box-sizing: content-box;
  direction: ltr;
}

li div {
  padding-top: 0px;
}

blockquote {
  margin: 1rem 0px;
}

li .mathjax-block,
li p {
  margin: 0.5rem 0px;
}

li blockquote {
  margin: 1rem 0px;
}

li {
  margin: 0px;
  position: relative;
}

blockquote> :last-child {
  margin-bottom: 0px;
}

blockquote> :first-child,
li> :first-child {
  margin-top: 0px;
}

.footnotes-area {
  color: rgb(136, 136, 136);
  margin-top: 0.714rem;
  padding-bottom: 0.143rem;
  white-space: normal;
}

#write .footnote-line {
  white-space: pre-wrap;
}

@media print {

  body,
  html {
    border: 1px solid transparent;
    height: 99%;
    break-after: avoid;
    break-before: avoid;
    font-variant-ligatures: no-common-ligatures;
  }

  #write {
    margin-top: 0px;
    border-color: transparent !important;
    padding-top: 0px !important;
    padding-bottom: 0px !important;
  }

  .typora-export * {
    -webkit-print-color-adjust: exact;
    print-color-adjust: exact;
  }

  .typora-export #write {
    break-after: avoid;
  }

  .typora-export #write::after {
    height: 0px;
  }

  .is-mac table {
    break-inside: avoid;
  }

  #write>p:nth-child(1) {
    margin-top: 0px;
  }

  .typora-export-show-outline .typora-export-sidebar {
    display: none;
  }

  figure {
    overflow-x: visible;
  }
}

.footnote-line {
  margin-top: 0.714em;
  font-size: 0.7em;
}

a img,
img a {
  cursor: pointer;
}

pre.md-meta-block {
  font-size: 0.8rem;
  min-height: 0.8rem;
  white-space: pre-wrap;
  background: rgb(204, 204, 204);
  display: block;
  overflow-x: hidden;
}

p>.md-image:only-child:not(.md-img-error) img,
p>img:only-child {
  display: block;
  margin: auto;
}

#write.first-line-indent p>.md-image:only-child:not(.md-img-error) img {
  left: -2em;
  position: relative;
}

p>.md-image:only-child {
  display: inline-block;
  width: 100%;
}

#write .MathJax_Display {
  margin: 0.8em 0px 0px;
}

.md-math-block {
  width: 100%;
}

.md-math-block:not(:empty)::after {
  display: none;
}

.MathJax_ref {
  fill: currentcolor;
}

[contenteditable="true"]:active,
[contenteditable="true"]:focus,
[contenteditable="false"]:active,
[contenteditable="false"]:focus {
  outline: 0px;
  box-shadow: none;
}

.md-task-list-item {
  position: relative;
  list-style-type: none;
}

.task-list-item.md-task-list-item {
  padding-left: 0px;
}

.md-task-list-item>input {
  position: absolute;
  top: 0px;
  left: 0px;
  margin-left: -1.2em;
  margin-top: calc(1em - 10px);
  border: none;
}

.math {
  font-size: 1rem;
}

.md-toc {
  min-height: 3.58rem;
  position: relative;
  font-size: 0.9rem;
  border-radius: 10px;
}

.md-toc-content {
  position: relative;
  margin-left: 0px;
}

.md-toc-content::after,
.md-toc::after {
  display: none;
}

.md-toc-item {
  display: block;
  color: rgb(65, 131, 196);
}

.md-toc-item a {
  text-decoration: none;
}

.md-toc-inner:hover {
  text-decoration: underline;
}

.md-toc-inner {
  display: inline-block;
  cursor: pointer;
}

.md-toc-h1 .md-toc-inner {
  margin-left: 0px;
  font-weight: 700;
}

.md-toc-h2 .md-toc-inner {
  margin-left: 2em;
}

.md-toc-h3 .md-toc-inner {
  margin-left: 4em;
}

.md-toc-h4 .md-toc-inner {
  margin-left: 6em;
}

.md-toc-h5 .md-toc-inner {
  margin-left: 8em;
}

.md-toc-h6 .md-toc-inner {
  margin-left: 10em;
}

@media screen and (max-width: 48em) {
  .md-toc-h3 .md-toc-inner {
    margin-left: 3.5em;
  }

  .md-toc-h4 .md-toc-inner {
    margin-left: 5em;
  }

  .md-toc-h5 .md-toc-inner {
    margin-left: 6.5em;
  }

  .md-toc-h6 .md-toc-inner {
    margin-left: 8em;
  }
}

a.md-toc-inner {
  font-size: inherit;
  font-style: inherit;
  font-weight: inherit;
  line-height: inherit;
}

.footnote-line a:not(.reversefootnote) {
  color: inherit;
}

.reversefootnote {
  font-family: ui-monospace, sans-serif;
}

.md-attr {
  display: none;
}

.md-fn-count::after {
  content: ".";
}

code,
pre,
samp,
tt {
  font-family: var(--monospace);
}

kbd {
  margin: 0px 0.1em;
  padding: 0.1em 0.6em;
  font-size: 0.8em;
  color: rgb(36, 39, 41);
  background: rgb(255, 255, 255);
  border: 1px solid rgb(173, 179, 185);
  border-radius: 3px;
  box-shadow: rgba(12, 13, 14, 0.2) 0px 1px 0px, rgb(255, 255, 255) 0px 0px 0px 2px inset;
  white-space: nowrap;
  vertical-align: middle;
}

.md-comment {
  color: rgb(162, 127, 3);
  opacity: 0.6;
  font-family: var(--monospace);
}

code {
  text-align: left;
  vertical-align: initial;
}

a.md-print-anchor {
  white-space: pre !important;
  border-width: initial !important;
  border-style: none !important;
  border-color: initial !important;
  display: inline-block !important;
  position: absolute !important;
  width: 1px !important;
  right: 0px !important;
  outline: 0px !important;
  background: 0px 0px !important;
  text-decoration: initial !important;
  text-shadow: initial !important;
}

.os-windows.monocolor-emoji .md-emoji {
  font-family: "Segoe UI Symbol", sans-serif;
}

.md-diagram-panel>svg {
  max-width: 100%;
}

[lang="flow"] svg,
[lang="mermaid"] svg {
  max-width: 100%;
  height: auto;
}

[lang="mermaid"] .node text {
  font-size: 1rem;
}

table tr th {
  border-bottom: 0px;
}

video {
  max-width: 100%;
  display: block;
  margin: 0px auto;
}

iframe {
  max-width: 100%;
  width: 100%;
  border: none;
}

.highlight td,
.highlight tr {
  border: 0px;
}

mark {
  background: rgb(255, 255, 0);
  color: rgb(0, 0, 0);
}

.md-html-inline .md-plain,
.md-html-inline strong,
mark .md-inline-math,
mark strong {
  color: inherit;
}

.md-expand mark .md-meta {
  opacity: 0.3 !important;
}

mark .md-meta {
  color: rgb(0, 0, 0);
}

@media print {

  .typora-export h1,
  .typora-export h2,
  .typora-export h3,
  .typora-export h4,
  .typora-export h5,
  .typora-export h6 {
    break-inside: avoid;
  }
}

.md-diagram-panel .messageText {
  stroke: none !important;
}

.md-diagram-panel .start-state {
  fill: var(--node-fill);
}

.md-diagram-panel .edgeLabel rect {
  opacity: 1 !important;
}

.md-fences.md-fences-math {
  font-size: 1em;
}

.md-fences-advanced:not(.md-focus) {
  padding: 0px;
  white-space: nowrap;
  border: 0px;
}

.md-fences-advanced:not(.md-focus) {
  background: inherit;
}

.mermaid-svg {
  margin: auto;
}

.typora-export-show-outline .typora-export-content {
  max-width: 1440px;
  margin: auto;
  display: flex;
  flex-direction: row;
}

.typora-export-sidebar {
  width: 300px;
  font-size: 0.8rem;
  margin-top: 80px;
  margin-right: 18px;
}

.typora-export-show-outline #write {
  --webkit-flex: 2;
  flex: 2 1 0%;
}

.typora-export-sidebar .outline-content {
  position: fixed;
  top: 0px;
  max-height: 100%;
  overflow: hidden auto;
  padding-bottom: 30px;
  padding-top: 60px;
  width: 300px;
}

@media screen and (max-width: 1024px) {

  .typora-export-sidebar,
  .typora-export-sidebar .outline-content {
    width: 240px;
  }
}

@media screen and (max-width: 800px) {
  .typora-export-sidebar {
    display: none;
  }
}

.outline-content li,
.outline-content ul {
  margin-left: 0px;
  margin-right: 0px;
  padding-left: 0px;
  padding-right: 0px;
  list-style: none;
  overflow-wrap: anywhere;
}

.outline-content ul {
  margin-top: 0px;
  margin-bottom: 0px;
}

.outline-content strong {
  font-weight: 400;
}

.outline-expander {
  width: 1rem;
  height: 1.42857rem;
  position: relative;
  display: table-cell;
  vertical-align: middle;
  cursor: pointer;
  padding-left: 4px;
}

.outline-expander::before {
  content: "";
  position: relative;
  font-family: Ionicons;
  display: inline-block;
  font-size: 8px;
  vertical-align: middle;
}

.outline-item {
  padding-top: 3px;
  padding-bottom: 3px;
  cursor: pointer;
}

.outline-expander:hover::before {
  content: "";
}

.outline-h1>.outline-item {
  padding-left: 0px;
}

.outline-h2>.outline-item {
  padding-left: 1em;
}

.outline-h3>.outline-item {
  padding-left: 2em;
}

.outline-h4>.outline-item {
  padding-left: 3em;
}

.outline-h5>.outline-item {
  padding-left: 4em;
}

.outline-h6>.outline-item {
  padding-left: 5em;
}

.outline-label {
  cursor: pointer;
  display: table-cell;
  vertical-align: middle;
  text-decoration: none;
  color: inherit;
}

.outline-label:hover {
  text-decoration: underline;
}

.outline-item:hover {
  border-color: rgb(245, 245, 245);
  background-color: var(--item-hover-bg-color);
}

.outline-item:hover {
  margin-left: -28px;
  margin-right: -28px;
  border-left: 28px solid transparent;
  border-right: 28px solid transparent;
}

.outline-item-single .outline-expander::before,
.outline-item-single .outline-expander:hover::before {
  display: none;
}

.outline-item-open>.outline-item>.outline-expander::before {
  content: "";
}

.outline-children {
  display: none;
}

.info-panel-tab-wrapper {
  display: none;
}

.outline-item-open>.outline-children {
  display: block;
}

.typora-export .outline-item {
  padding-top: 1px;
  padding-bottom: 1px;
}

.typora-export .outline-item:hover {
  margin-right: -8px;
  border-right: 8px solid transparent;
}

.typora-export .outline-expander::before {
  content: "+";
  font-family: inherit;
  top: -1px;
}

.typora-export .outline-expander:hover::before,
.typora-export .outline-item-open>.outline-item>.outline-expander::before {
  content: "−";
}

.typora-export-collapse-outline .outline-children {
  display: none;
}

.typora-export-collapse-outline .outline-item-open>.outline-children,
.typora-export-no-collapse-outline .outline-children {
  display: block;
}

.typora-export-no-collapse-outline .outline-expander::before {
  content: "" !important;
}

.typora-export-show-outline .outline-item-active>.outline-item .outline-label {
  font-weight: 700;
}

.md-inline-math-container mjx-container {
  zoom: 0.95;
}

mjx-container {
  break-inside: avoid;
}

.md-alert.md-alert-note {
  border-left-color: rgb(9, 105, 218);
}

.md-alert.md-alert-important {
  border-left-color: rgb(130, 80, 223);
}

.md-alert.md-alert-warning {
  border-left-color: rgb(154, 103, 0);
}

.md-alert.md-alert-tip {
  border-left-color: rgb(31, 136, 61);
}

.md-alert.md-alert-caution {
  border-left-color: rgb(207, 34, 46);
}

.md-alert {
  padding: 0px 1em;
  margin-bottom: 16px;
  color: inherit;
  border-left: 0.25em solid rgb(0, 0, 0);
}

.md-alert-text-note {
  color: rgb(9, 105, 218);
}

.md-alert-text-important {
  color: rgb(130, 80, 223);
}

.md-alert-text-warning {
  color: rgb(154, 103, 0);
}

.md-alert-text-tip {
  color: rgb(31, 136, 61);
}

.md-alert-text-caution {
  color: rgb(207, 34, 46);
}

.md-alert-text {
  font-size: 0.9rem;
  font-weight: 700;
}

.md-alert-text svg {
  fill: currentcolor;
  position: relative;
  top: 0.125em;
  margin-right: 1ch;
  overflow: visible;
}

.md-alert-text-container::after {
  content: attr(data-text);
  text-transform: capitalize;
  pointer-events: none;
  margin-right: 1ch;
}



/* 返回首页按钮 */
.prism-back-home {
  position: fixed;
  top: 16px;
  left: 16px;
  z-index: 9999;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 12px;
  border: 1px solid rgba(24, 33, 47, 0.14);
  border-radius: 8px;
  background: rgba(255, 255, 255, 0.92);
  color: #6a7b8f;
  font: 600 13px/1.2 "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  text-decoration: none;
  box-shadow: 0 8px 24px rgba(24, 33, 47, 0.10);
  backdrop-filter: blur(12px);
}

.prism-back-home:hover {
  color: #111111;
  border-color: rgba(24, 33, 47, 0.26);
}

@media (max-width: 520px) {
  .prism-back-home {
    top: 10px;
    left: 10px;
    padding: 7px 10px;
    font-size: 12px;
  }
}

:root[data-theme="dark"] .prism-back-home {
  background: rgba(20, 26, 36, 0.92) !important;
  color: #c6cfdc !important;
  border-color: rgba(255, 255, 255, 0.14) !important;
}

:root[data-theme="dark"] .prism-back-home:hover {
  color: #ffffff !important;
  border-color: rgba(255, 255, 255, 0.28) !important;
}

/* 移动端专题阅读布局使用高优先级声明覆盖两套 Typora 导出的内联主题，
   从而无需重写原始文档。 */
@media screen and (max-width: 620px) {
  html {
    font-size: 16px !important;
    scroll-padding-top: calc(4.5rem + env(safe-area-inset-top, 0px));
  }

  body.typora-export {
    padding: 0 !important;
  }

  #write {
    width: 100% !important;
    max-width: 100% !important;
    margin: 0 !important;
    padding:
      calc(4.8rem + env(safe-area-inset-top, 0px))
      16px
      calc(3.25rem + env(safe-area-inset-bottom, 0px)) !important;
    font-size: 1rem !important;
    line-height: 1.82 !important;
  }

  #write h1 {
    margin: 0 0 1.35rem !important;
    padding: 0 0 0.8rem !important;
    font-size: clamp(1.7rem, 8vw, 2.2rem) !important;
    line-height: 1.28 !important;
    letter-spacing: -0.02em !important;
  }

  #write h2 {
    margin: 2.2rem 0 1rem !important;
    padding: 0.65rem 0.8rem !important;
    border-radius: 10px !important;
    font-size: 1.3rem !important;
    line-height: 1.4 !important;
  }

  #write h3 {
    margin: 1.75rem 0 0.7rem !important;
    font-size: 1.13rem !important;
    line-height: 1.48 !important;
  }

  #write h4,
  #write h5,
  #write h6 {
    margin: 1.4rem 0 0.6rem !important;
    font-size: 1rem !important;
    line-height: 1.5 !important;
  }

  #write p,
  #write li {
    font-size: 1rem !important;
    line-height: 1.82 !important;
  }

  #write blockquote {
    margin: 1rem 0 !important;
    padding: 0.85rem 0.95rem !important;
    border-radius: 0 10px 10px 0 !important;
  }

  #write blockquote p {
    font-size: 0.95rem !important;
  }

  #write ul,
  #write ol {
    padding-left: 1.35rem !important;
  }

  #write img {
    border-radius: 10px;
  }

  #write .table-figure,
  #write figure:has(> table) {
    width: 100% !important;
    max-width: 100% !important;
    margin: 1.1rem 0 !important;
    overflow-x: auto !important;
    overscroll-behavior-x: contain;
    -webkit-overflow-scrolling: touch;
  }

  #write table {
    width: max-content !important;
    min-width: 640px !important;
    max-width: none !important;
    font-size: 0.88rem !important;
  }

  #write table th,
  #write table td {
    padding: 8px 10px !important;
  }

  #write pre,
  #write .md-fences {
    max-width: 100% !important;
    padding: 0.85rem !important;
    overflow-x: auto !important;
    border-radius: 10px !important;
    font-size: 0.86rem !important;
  }
}