@charset "UTF-8";
/*! Asciidoctor default stylesheet | MIT License | https://asciidoctor.org */
/*! Modified by waterlens */
html {
  font-family: sans-serif;
  -webkit-text-size-adjust: 100%;
}

a,
small {
  line-height: inherit;
}

a,
abbr[title] {
  text-decoration: none;
}

a {
  background: 0 0;
  color: #0060b6;
}

a:hover {
  color: #00a0c6;
  text-decoration: underline;
}

nav a {
  margin: 0.2rem;
}

abbr {
  font-size: 0.9em;
}

abbr[title] {
  cursor: help;
  border-bottom: 1px dotted #dddddf;
}

#toc ul.sectlevel0 > li > a,
dfn {
  font-style: italic;
}

mark {
  background: #ff0;
  color: #000;
}

code,
pre,
samp {
  font-size: 1em;
}

samp {
  font-family: "Hack", monospace;
}

pre {
  white-space: pre-wrap;
}

q {
  quotes: "“" "”" "‘" "’";
}

small {
  font-size: 60%;
}

sub,
sup {
  font-size: 75%;
  line-height: 0;
  position: relative;
  vertical-align: baseline;
}

sup {
  top: -0.5em;
}

sub {
  bottom: -0.25em;
}

a img,
img {
  border: 0;
}

svg:not(:root) {
  overflow: hidden;
}

figure {
  margin: 0;
}

audio,
video {
  display: inline-block;
}

audio:not([controls]) {
  display: none;
  height: 0;
}

fieldset {
  border: 1px solid silver;
  margin: 0 2px;
  padding: 0.35em 0.625em 0.75em;
}

legend {
  border: 0;
  padding: 0;
}

button,
input,
select,
textarea {
  font-family: inherit;
  font-size: 100%;
  margin: 0;
}

button,
input {
  line-height: normal;
}

button,
select {
  text-transform: none;
}

a:hover,
button,
html input[type=button],
input[type=reset],
input[type=submit] {
  cursor: pointer;
}

button[disabled],
html input[disabled] {
  cursor: default;
}

input[type=checkbox],
input[type=radio] {
  padding: 0;
}

button::-moz-focus-inner,
input::-moz-focus-inner {
  border: 0;
  padding: 0;
}

textarea {
  overflow: auto;
  vertical-align: top;
  height: auto;
  min-height: 50px;
}

table {
  border-collapse: collapse;
  border-spacing: 0;
  margin-bottom: 1.25em;
  border: 1px solid #dedede;
  word-wrap: normal;
}

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

body,
html {
  font-size: 100%;
}

body,
table {
  background: #fff;
}

body {
  color: #000;
  font-family: "Oxygen", "Noto Sans SC", sans-serif;
  line-height: 1;
  position: relative;
  cursor: auto;
  tab-size: 4;
  word-wrap: anywhere;
  margin: 0 auto;
  max-width: min(80rem, 100% - 2rem);
}

img {
  max-width: 100%;
  height: auto;
  -ms-interpolation-mode: bicubic;
}

embed,
object {
  max-width: 100%;
  height: 100%;
}

.left {
  float: left !important;
}

.right {
  float: right !important;
}

.text-left {
  text-align: left !important;
}

.text-right {
  text-align: right !important;
}

.text-center {
  text-align: center !important;
}

.text-justify {
  text-align: justify !important;
}

#header .details br,
.hide,
.quote .attribution br,
.quote .quote blockquote::before,
.quote.abstract blockquote::before,
.quote.excerpt blockquote::before,
.verse .attribution br {
  display: none;
}

img,
object,
svg {
  display: inline-block;
  vertical-align: middle;
}

select {
  width: 100%;
}

.admonition td.content > .title,
.audio > .title,
.example > .title,
.subheader {
  line-height: 1.45;
  color: #005999;
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 0.5em;
}

.image > .title {
  line-height: 1.45;
  color: #005999;
  font-weight: 400;
  margin-top: 0;
}

.dlist > .title,
.hdlist > .title,
.listing > .title,
.literal > .title,
.olist > .title,
.open > .title,
.paragraph > .title,
.qlist > .title,
.quote > .title,
.stem > .title,
.ulist > .title,
.verse > .title,
.video > .title,
table.table > .title {
  line-height: 1.45;
  color: #005999;
  font-weight: 400;
  margin-top: 0;
  margin-bottom: 0.5em;
}

dd,
div,
dt,
form,
pre,
td,
th {
  margin: 0;
  padding: 0;
}

#toctitle,
.sidebar > .content > .title,
body,
dl,
h1,
h2,
h3,
h4,
h5,
h6,
li,
ol,
p,
ul {
  padding: 0;
}

dl,
ol,
ul {
  line-height: 1.4;
  margin: 0 0 1em;
}

p {
  line-height: 1.4;
  margin: 0 0 0;
  text-rendering: optimizeLegibility;
}

p aside {
  font-size: 0.875em;
  line-height: 1.4;
  font-style: italic;
}

#toctitle,
h6 {
  font-weight: 400;
}

#toctitle,
.sidebar > .content > .title,
h1,
h2,
h3,
h4,
h5,
h6 {
  font-style: normal;
  text-rendering: optimizeLegibility;
  margin: 1em 0 0.5em;
}

#toctitle small,
.sidebar > .content > .title small,
h1 small,
h2 small,
h3 small,
h4 small,
h5 small,
h6 small {
  font-size: 60%;
  line-height: 0;
}

h1 {
  font-size: 2em;
  margin-left: auto;
  margin-right: auto;
}

article h1 {
  font-size: 1.75em;
}

h2 {
  font-size: 1.5em;
}

article h2 {
  font-size: 1.4em;
}

.sidebar > .content > .title,
h3 {
  font-size: 1.2em;
  font-weight: 700;
}

h4,
h5,
h6 {
  font-size: 1.1em;
}

b,
em,
i,
strong {
  line-height: inherit;
}

em,
i {
  font-style: italic;
}

article h1,
article h2,
b,
h1,
h2,
h4,
h5,
strong {
  font-weight: 700;
}

code {
  font-family: "Hack", monospace;
  font-weight: 400;
  color: rgba(0, 0, 0, 0.9);
}

dl,
ol,
ul {
  list-style-position: outside;
  font-family: inherit;
}

ol li ol,
ol li ul,
ul li ol,
ul li ul {
  margin-left: 1.25em;
  margin-bottom: 0;
}

ul,
ul li ol {
  margin-left: 1.5em;
}

ul.circle {
  list-style-type: circle;
}

ul.disc {
  list-style-type: disc;
}

ul.square {
  list-style-type: square;
}

ul.circle ul:not([class]),
ul.disc ul:not([class]),
ul.square ul:not([class]) {
  list-style: inherit;
}

dl dt {
  margin-bottom: 0.3125em;
  font-weight: 700;
}

dl dd {
  margin-bottom: 1.25em;
  margin-left: 1.125em;
}

blockquote {
  margin: 0 0 1.25em;
  padding: 0.5625em 1.25em 0 1.1875em;
  border-left: 1px solid #ddd;
}

#header .details span.email a,
blockquote,
blockquote p {
  color: rgba(0, 0, 0, 0.85);
}

@media screen and (min-width: 768px) {
  #toctitle,
.sidebar > .content > .title,
h3,
h4,
h5,
h6 {
    font-weight: 700;
    line-height: 1.4;
  }
  h1,
h2 {
    font-weight: 700;
    line-height: 1.4;
  }
  h1 {
    font-size: 2em;
    margin-left: auto;
    margin-right: auto;
    font-weight: 700;
  }
  article h1,
article h2,
h2 {
    font-size: 1.75em;
    font-weight: 700;
  }
  article h2,
h2 {
    font-size: 1.5em;
  }
  article h2 {
    font-size: 1.4em;
  }
  #toctitle,
.sidebar > .content > .title,
h3,
h4 {
    font-size: 1.2em;
  }
}
table tfoot,
table thead {
  background: #f7f8f7;
}

footer,
header {
  text-align: center;
}

table tfoot tr td,
table tfoot tr th,
table thead tr td,
table thead tr th {
  padding: 0.5em 0.625em 0.625em;
  font-size: inherit;
  color: #000;
  text-align: left;
}

table tr td,
table tr th {
  padding: 0.5625em 0.625em;
  font-size: inherit;
  color: rgba(0, 0, 0, 0.8);
}

table tr.alt,
table tr.even {
  background: #f8f8f7;
}

blockquote,
blockquote p,
table tbody tr td,
table tfoot tr td,
table tfoot tr th,
table thead tr th,
table tr td {
  line-height: 1.4;
}

#toctitle,
.sidebar > .content > .title {
  line-height: 1.4;
  word-spacing: -0.05em;
}

h1,
h2,
h3,
h4,
h5,
h6 {
  line-height: 1.4;
}

#toctitle strong,
.sidebar > .content > .title strong,
.verse pre strong,
h1 strong,
h2 strong,
h3 strong,
h4 strong,
h5 strong,
h6 strong,
strong strong {
  font-weight: 400;
}

hr {
  border: 0;
  height: 1px;
  background-color: #e7e7e9;
}

.center {
  margin-left: auto;
  margin-right: auto;
}

.stretch {
  width: 100%;
}

#content::after {
  content: " ";
  display: table;
}

#content::before {
  display: table;
}

#footer::after,
#footer::before,
#footnotes::after,
#footnotes::before,
#header::after,
#header::before,
.clearfix::after,
.clearfix::before,
.float-group::after,
.float-group::before {
  content: " ";
  display: table;
}

#content::after,
#footer::after,
#footnotes::after,
#header::after,
.clearfix::after,
.float-group::after {
  clear: both;
}

:not(pre).nobreak {
  word-wrap: normal;
}

:not(pre).nowrap {
  white-space: nowrap;
}

.centered {
  margin-left: auto;
  margin-right: auto;
  width: fit-content;
}

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

.centered-image {
  display: block;
  margin-left: auto;
  margin-right: auto;
}

.subtitle {
  color: #4d4c4c;
}

.nowrap {
  white-space: nowrap;
}

:not(pre).pre-wrap {
  white-space: pre-wrap;
}

:not(pre):not([class^=L]) > code {
  font-size: 0.9375em;
  font-style: normal !important;
  letter-spacing: 0;
  padding: 0.1em 0.5ex;
  word-spacing: -0.15em;
  background: #f7f7f8;
  border-radius: 4px;
  line-height: 1.4;
  text-rendering: optimizeSpeed;
}

kbd,
pre {
  font-family: "Hack", monospace;
  line-height: 1.4;
}

pre {
  color: rgba(0, 0, 0, 0.9);
  text-rendering: optimizeSpeed;
}

pre code,
pre pre {
  color: inherit;
  font-size: inherit;
  line-height: inherit;
}

pre.nowrap,
pre.nowrap pre {
  white-space: pre;
  word-wrap: normal;
}

em em {
  font-style: normal;
}

.keyseq {
  color: rgba(51, 51, 51, 0.8);
}

kbd {
  display: inline-block;
  color: #000;
  font-size: 0.65em;
  background: #f7f7f7;
  border: 1px solid #ccc;
  border-radius: 3px;
  box-shadow: 0 1px 0 rgba(0, 0, 0, 0.2), 0 0 0 0.1em #fff inset;
  margin: 0 0.15em;
  padding: 0.2em 0.5em;
  vertical-align: middle;
  position: relative;
  top: -0.1em;
  white-space: nowrap;
}

.keyseq kbd:first-child {
  margin-left: 0;
}

.keyseq kbd:last-child {
  margin-right: 0;
}

.menuref,
.menuseq {
  color: #000;
}

.menuref,
.menuseq b:not(.caret) {
  font-weight: inherit;
}

.menuseq {
  word-spacing: -0.02em;
}

.menuseq b.caret {
  font-size: 1.25em;
  line-height: 0.8;
}

.menuseq i.caret {
  font-weight: 700;
  text-align: center;
  width: 0.45em;
}

b.button::after,
b.button::before {
  position: relative;
  top: -1px;
  font-weight: 400;
}

b.button::before {
  content: "[";
  padding: 0 3px 0 2px;
}

b.button::after {
  content: "]";
  padding: 0 2px 0 3px;
}

p a > code:hover {
  color: rgba(0, 0, 0, 0.9);
}

#header {
  margin: 0 auto;
  max-width: min(80rem, 100% - 2rem);
  padding-left: 0.9375em;
  padding-right: 0.9375em;
}

#content,
#footer,
#footnotes,
#header {
  width: 100%;
  position: relative;
}

#content,
#footnotes {
  max-width: min(80rem, 100% - 2rem);
  padding-left: 0.9375em;
  padding-right: 0.9375em;
}

#footer {
  margin: 0 auto;
}

#content {
  margin: 1.25em auto 0;
}

#content::before {
  content: none;
}

#header > h1:first-child {
  color: rgba(0, 0, 0, 0.85);
  margin-top: 2.25rem;
  margin-bottom: 0;
}

#header > h1:first-child + #toc {
  margin-top: 8px;
  border-top: 1px solid #dddddf;
}

#header > h1:only-child {
  border-bottom: 1px solid #dddddf;
  padding-bottom: 8px;
}

#header .details {
  border-bottom: 1px solid #dddddf;
  line-height: 1.4;
  padding-top: 0.25em;
  padding-bottom: 0.25em;
  padding-left: 0.25em;
  color: rgba(0, 0, 0, 0.6);
  display: flex;
  flex-flow: row wrap;
}

#header .details span:first-child {
  margin-left: -0.125em;
}

#header .details br + span::before {
  content: " – ";
}

#header .details br + span.author::before {
  content: " ⋅ ";
  color: rgba(0, 0, 0, 0.85);
}

#header .details br + span#revremark::before {
  content: " | ";
}

#header #revnumber {
  text-transform: capitalize;
}

#header #revnumber::after {
  content: " ";
}

#content > h1:first-child:not([class]) {
  color: rgba(0, 0, 0, 0.85);
  border-bottom: 1px solid #dddddf;
  padding-bottom: 8px;
  margin-top: 0;
  padding-top: 1rem;
  margin-bottom: 1.25rem;
}

#toc {
  border-bottom: 1px solid #e7e7e9;
  padding-bottom: 0.5em;
}

#toc > ul {
  margin-left: 0.125em;
}

#toc ul.sectlevel0 ul.sectlevel1 {
  margin: 0.5em 0;
}

#toc ul,
ol.no-bullet,
ol.none,
ol.unnumbered,
ol.unstyled,
ul.checklist,
ul.no-bullet,
ul.none,
ul.unstyled {
  list-style-type: none;
}

#toc li {
  line-height: 1.4;
  margin-top: 0.2em;
}

#toc a {
  text-decoration: none;
}

#toc a:active {
  text-decoration: underline;
}

#toctitle {
  font-size: 1.2em;
}

@media screen and (min-width: 768px) {
  #toctitle {
    font-size: 1.375em;
  }
  body.toc2 {
    padding-left: 15em;
    padding-right: 0;
  }
  body.toc2 #header > h1:nth-last-child(2) {
    border-bottom: 1px solid #dddddf;
    padding-bottom: 8px;
  }
  #toc.toc2 {
    margin-top: 0 !important;
    background: #f8f8f7;
    position: fixed;
    width: 15em;
    left: 0;
    top: 0;
    border-right: 1px solid #e7e7e9;
    border-top-width: 0 !important;
    border-bottom-width: 0 !important;
    z-index: 1000;
    padding: 1.25em 1em;
    height: 100%;
    overflow: auto;
  }
  #toc.toc2 #toctitle {
    margin-top: 0;
    margin-bottom: 0.8rem;
    font-size: 1.2em;
  }
  #toc.toc2 > ul {
    font-size: 0.9em;
    margin-bottom: 0;
  }
  #toc.toc2 ul ul {
    margin-left: 0;
    padding-left: 1em;
  }
  #toc.toc2 ul.sectlevel0 ul.sectlevel1 {
    padding-left: 0;
    margin-top: 0.5em;
    margin-bottom: 0.5em;
  }
  body.toc2.toc-right {
    padding-left: 0;
    padding-right: 15em;
  }
  body.toc2.toc-right #toc.toc2 {
    border-right-width: 0;
    border-left: 1px solid #e7e7e9;
    left: auto;
    right: 0;
  }
}
@media screen and (min-width: 1280px) {
  body.toc2 {
    padding-left: 20em;
    padding-right: 0;
  }
  #toc.toc2 {
    width: 20em;
  }
  #toc.toc2 #toctitle {
    font-size: 1.375em;
  }
  #toc.toc2 > ul {
    font-size: 0.95em;
  }
  #toc.toc2 ul ul {
    padding-left: 1.25em;
  }
  body.toc2.toc-right {
    padding-left: 0;
    padding-right: 20em;
  }
}
#content #toc {
  border: 1px solid #e0e0dc;
  margin-bottom: 1.25em;
  padding: 1.25em;
  background: #f8f8f7;
  border-radius: 4px;
}

#content #toc > :first-child {
  margin-top: 0;
}

#content #toc > :last-child,
.admonition > table td.content > :last-child > :last-child {
  margin-bottom: 0;
}

#footer {
  max-width: none;
  background: #000;
  padding: 1.25em;
}

#footer-text {
  color: rgba(255, 255, 255, 0.8);
  line-height: 1.4;
}

#content {
  margin-bottom: 0.625em;
}

.sect1 {
  padding-bottom: 0.625em;
}

@media screen and (min-width: 768px) {
  #content {
    margin-bottom: 1.25em;
  }
  .sect1 {
    padding-bottom: 1.25em;
  }
}
.sect1:last-child {
  padding-bottom: 0;
}

.sect1 + .sect1 {
  border-top: 1px solid #e7e7e9;
}

#content h1 > a.anchor,
#toctitle > a.anchor,
.sidebar > .content > .title > a.anchor,
h2 > a.anchor,
h3 > a.anchor,
h4 > a.anchor,
h5 > a.anchor,
h6 > a.anchor {
  position: absolute;
  z-index: 1001;
  width: 1.5ex;
  margin-left: -1.5ex;
  display: block;
  text-decoration: none !important;
  visibility: hidden;
  text-align: center;
  font-weight: 400;
}

#content h1 > a.anchor::before,
#toctitle > a.anchor::before,
.sidebar > .content > .title > a.anchor::before,
h2 > a.anchor::before,
h3 > a.anchor::before,
h4 > a.anchor::before,
h5 > a.anchor::before,
h6 > a.anchor::before {
  content: "§";
  font-size: 0.85em;
  display: block;
  padding-top: 0.1em;
}

#content h1:hover > a.anchor,
#content h1 > a.anchor:hover,
#toctitle:hover > a.anchor,
#toctitle > a.anchor:hover,
.sidebar > .content > .title:hover > a.anchor,
.sidebar > .content > .title > a.anchor:hover,
h2:hover > a.anchor,
h2 > a.anchor:hover,
h3:hover > a.anchor,
h3 > a.anchor:hover,
h4:hover > a.anchor,
h4 > a.anchor:hover,
h5:hover > a.anchor,
h5 > a.anchor:hover,
h6:hover > a.anchor,
h6 > a.anchor:hover {
  visibility: visible;
}

#content h1 > a.link,
#toctitle > a.link,
.sidebar > .content > .title > a.link,
h2 > a.link,
h3 > a.link,
h4 > a.link,
h5 > a.link,
h6 > a.link {
  text-decoration: none;
}

.audio,
.image,
.listing,
.literal,
.stem,
.video,
details {
  margin-bottom: 1.25em;
}

details {
  margin-left: 1.25rem;
}

details > summary {
  cursor: pointer;
  display: block;
  position: relative;
  line-height: 1.4;
  margin-bottom: 0.625rem;
  outline: 0;
  -webkit-tap-highlight-color: transparent;
}

details > summary::-webkit-details-marker {
  display: none;
}

details > summary::before {
  content: "";
  border: solid transparent;
  border-left-color: currentColor;
  border-width: 0.3em 0 0.3em 0.5em;
  position: absolute;
  top: 0.5em;
  left: -1.25rem;
  transform: translateX(15%);
}

details[open] > summary::before {
  border: solid transparent;
  border-top-color: currentColor;
  border-width: 0.5em 0.3em 0;
  transform: translateY(15%);
}

details > summary::after {
  content: "";
  width: 1.25rem;
  height: 1em;
  position: absolute;
  top: 0.3em;
  left: -1.25rem;
}

.admonition td.content > .title,
.audio > .title,
.dlist > .title,
.example > .title,
.hdlist > .title,
.image > .title,
.listing > .title,
.literal > .title,
.olist > .title,
.open > .title,
.paragraph > .title,
.qlist > .title,
.quote > .title,
.stem > .title,
.ulist > .title,
.verse > .title,
.video > .title,
table.table > .title {
  text-rendering: optimizeLegibility;
  text-align: left;
  font-family: "Oxygen", "Noto Sans SC", sans-serif;
  font-size: 1rem;
  font-style: italic;
}

table.table.fit-content > caption.title {
  white-space: nowrap;
  width: 0;
}

#preamble > .sectionbody > [class=paragraph]:first-of-type p,
.paragraph.lead > p {
  font-size: 1.21875em;
  line-height: 1.4;
  color: rgba(0, 0, 0, 0.85);
}

.admonition > table {
  border-collapse: separate;
  border: 0;
  background: 0 0;
  width: 100%;
}

.admonition > table td.icon {
  text-align: center;
  width: 80px;
}

.admonition > table td.icon img {
  max-width: none;
}

.admonition > table td.icon .title {
  font-weight: 700;
  font-family: "Open Sans", "DejaVu Sans", sans-serif;
  text-transform: uppercase;
}

.admonition > table td.content {
  padding-left: 1.125em;
  padding-right: 1.25em;
  border-left: 1px solid #dddddf;
  color: rgba(0, 0, 0, 0.6);
  word-wrap: anywhere;
}

.example > .content,
.sidebar {
  margin-bottom: 1.25em;
  padding: 1.25em;
  border-radius: 4px;
}

.example > .content {
  border: 1px solid #e6e6e6;
  background: #fff;
}

.sidebar {
  border: 1px solid #dbdbd6;
  background: #f3f3f2;
}

.sidebar > .content > .title {
  margin-top: 0;
  text-align: center;
}

.example > .content > :first-child,
.sidebar > .content > :first-child {
  margin-top: 0;
}

.example > .content .olist > ol > li:last-child > :last-child,
.example > .content .qlist > ol > li:last-child > :last-child,
.example > .content .ulist > ul > li:last-child > :last-child,
.example > .content > :last-child,
.example > .content > :last-child > :last-child,
.quote blockquote > .paragraph:last-child p,
.quote blockquote > p:last-child,
.sidebar > .content .olist > ol > li:last-child > :last-child,
.sidebar > .content .qlist > ol > li:last-child > :last-child,
.sidebar > .content .ulist > ul > li:last-child > :last-child,
.sidebar > .content > :last-child,
.sidebar > .content > :last-child > :last-child {
  margin-bottom: 0;
}

.listing > .content > pre,
.literal pre {
  border-radius: 4px;
  overflow-x: auto;
  padding: 1em;
  font-size: 0.8125em;
}

@media screen and (min-width: 768px) {
  .listing > .content > pre,
.literal pre {
    font-size: 0.90625em;
  }
}
@media screen and (min-width: 1280px) {
  .listing > .content > pre,
.literal pre {
    font-size: 1em;
  }
}
.listing > .content > pre:not(.highlight),
.listing > .content > pre[class=highlight],
.listing > .content > pre[class^="highlight "],
.literal pre {
  background: #f7f7f8;
}

.literal.output pre {
  color: #f7f7f8;
  background: rgba(0, 0, 0, 0.9);
}

.listing > .content {
  position: relative;
}

.listing pre > code,
.listing:hover code[data-lang]::before {
  display: block;
}

.listing code[data-lang]::before {
  display: none;
  content: attr(data-lang);
  position: absolute;
  font-size: 0.75em;
  top: 0.425rem;
  right: 0.5rem;
  line-height: 1.4;
  text-transform: uppercase;
  color: inherit;
  opacity: 0.5;
}

.listing.terminal pre .command::before {
  content: attr(data-prompt);
  padding-right: 0.5em;
  color: inherit;
  opacity: 0.5;
}

.listing.terminal pre .command:not([data-prompt])::before {
  content: "$";
}

.listing pre.highlightjs {
  padding: 0;
}

.listing pre.highlightjs > code {
  padding: 1em;
  border-radius: 4px;
}

.listing pre.prettyprint {
  border-width: 0;
}

.prettyprint {
  background: #f7f7f8;
}

pre.prettyprint .linenums {
  line-height: 1.4;
  margin-left: 2em;
}

pre.prettyprint li {
  background: 0 0;
  list-style-type: inherit;
  padding-left: 0;
}

pre.prettyprint li code[data-lang]::before {
  opacity: 1;
}

pre.prettyprint li:not(:first-child) code[data-lang]::before {
  display: none;
}

table.linenotable {
  border-collapse: separate;
  border: 0;
  margin-bottom: 0;
  background: 0 0;
}

table.linenotable td[class] {
  color: inherit;
  vertical-align: top;
  padding: 0;
  line-height: inherit;
  white-space: normal;
}

table.linenotable td.code {
  padding-left: 0.75em;
}

pre.pygments .linenos,
table.linenotable td.linenos {
  border-right: 1px solid;
  opacity: 0.35;
  padding-right: 0.5em;
  user-select: none;
}

pre.pygments span.linenos {
  display: inline-block;
  margin-right: 0.75em;
}

.quote {
  margin: 0 1em 1.25em 1.5em;
  display: table;
}

.quote:not(.excerpt) > .title {
  margin-left: -1.5em;
  margin-bottom: 0.75em;
}

.quote blockquote,
.quote p,
.verse pre {
  font-size: 1.15rem;
  color: rgba(0, 0, 0, 0.85);
}

.quote blockquote,
.quote p {
  line-height: 1.3;
  word-spacing: 0.1em;
  letter-spacing: 0;
  font-style: italic;
  text-align: justify;
}

.quote blockquote {
  margin: 0;
  padding: 0;
  border: 0;
}

.quote blockquote::before {
  content: "“";
  float: left;
  font-size: 2.75em;
  font-weight: 700;
  line-height: 0.6em;
  margin-left: -0.6em;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.1);
}

.quote .attribution {
  margin-top: 0.75em;
  margin-right: 0.5ex;
  text-align: right;
}

.verse {
  margin: 0 1em 1.25em;
}

.verse pre {
  font-family: "Oxygen", "Noto Sans SC", sans-serif;
  font-weight: 300;
  text-rendering: optimizeLegibility;
}

.verse .attribution {
  margin-top: 1.25rem;
  margin-left: 0.5ex;
}

.quote .attribution,
.verse .attribution {
  font-size: 0.9375em;
  line-height: 1.4;
  font-style: italic;
}

.quote .attribution cite,
.verse .attribution cite {
  display: block;
  letter-spacing: -0.025em;
  color: rgba(0, 0, 0, 0.6);
}

.quote .quote blockquote,
.quote .quote p,
.quote.abstract blockquote,
.quote.abstract p,
.quote.excerpt blockquote,
.quote.excerpt p {
  line-height: 1.4;
  word-spacing: 0;
}

.quote.abstract {
  margin: 0 1em 1.25em;
  display: block;
}

.quote.abstract > .title {
  margin: 0 0 0.375em;
  font-size: 1.15em;
  text-align: center;
}

.quote .quote,
.quote.excerpt > blockquote {
  padding: 0 0 0.25em 1em;
  border-left: 0.25em solid #dddddf;
}

.quote .quote,
.quote.excerpt {
  margin-left: 0;
}

.quote .quote blockquote,
.quote .quote p,
.quote.excerpt blockquote,
.quote.excerpt p {
  color: inherit;
  font-size: 1.0625rem;
}

.quote .quote .attribution,
.quote.excerpt .attribution {
  color: inherit;
  font-size: 0.85rem;
  text-align: left;
  margin-right: 0;
}

p.table:last-child {
  margin-bottom: 0;
}

td.table > .content {
  margin-bottom: 1.25em;
  word-wrap: anywhere;
}

td.table > .content > :last-child {
  margin-bottom: -1.25em;
}

table.table,
td.table,
th.table {
  border: 0 solid #dedede;
}

table.frame-all,
table.grid-all > * > tr > * {
  border-width: 1px;
}

table.grid-cols > * > tr > * {
  border-width: 0 1px;
}

table.frame-ends,
table.grid-rows > * > tr > * {
  border-width: 1px 0;
}

table.frame-sides {
  border-width: 0 1px;
}

table.frame-none > colgroup + * > :first-child > *,
table.frame-sides > colgroup + * > :first-child > * {
  border-top-width: 0;
}

table.frame-none > :last-child > :last-child > *,
table.frame-sides > :last-child > :last-child > * {
  border-bottom-width: 0;
}

table.frame-ends > * > tr > :first-child,
table.frame-none > * > tr > :first-child {
  border-left-width: 0;
}

table.frame-ends > * > tr > :last-child,
table.frame-none > * > tr > :last-child {
  border-right-width: 0;
}

table.stripes-all > * > tr,
table.stripes-even > * > tr:nth-of-type(even),
table.stripes-hover > * > tr:hover,
table.stripes-odd > * > tr:nth-of-type(odd) {
  background: #f8f8f7;
}

td.halign-left,
th.halign-left {
  text-align: left;
}

td.halign-right,
th.halign-right {
  text-align: right;
}

td.halign-center,
th.halign-center {
  text-align: center;
}

td.valign-top,
th.valign-top {
  vertical-align: top;
}

td.valign-bottom,
th.valign-bottom {
  vertical-align: bottom;
}

td.valign-middle,
th.valign-middle {
  vertical-align: middle;
}

table tfoot th,
table thead th {
  font-weight: 700;
}

tbody tr th {
  background: #f7f8f7;
}

tbody tr th,
tbody tr th p,
tfoot tr th,
tfoot tr th p {
  color: #000;
  font-weight: 700;
}

p.table > code:only-child {
  background: 0 0;
  padding: 0;
}

.sidebar dt,
.sidebar p,
.sidebar td.content,
p.table {
  font-size: 1em;
}

ol {
  margin-left: 1.75em;
}

dl dd:last-child,
dl dd:last-child > :last-child {
  margin-bottom: 0;
}

.olist .olist,
.olist .ulist,
.ulist .olist,
.ulist .ulist,
ol dd,
ul dd {
  margin-bottom: 0.625em;
}

li p {
  margin-bottom: 0.1em;
}

ol.no-bullet,
ol.unnumbered,
ul.no-bullet {
  margin-left: 0.625em;
}

ol.unstyled,
ul.unstyled {
  margin-left: 0;
}

li > p:empty:only-child::before {
  content: "";
  display: inline-block;
}

ul.checklist > li > p:first-child {
  margin-left: -1em;
}

ul.checklist > li > p:first-child > .fa-check-square-o:first-child,
ul.checklist > li > p:first-child > .fa-square-o:first-child {
  width: 1.25em;
  font-size: 0.8em;
  position: relative;
  bottom: 0.125em;
}

ul.checklist > li > p:first-child > input[type=checkbox]:first-child {
  margin-right: 0.25em;
}

ul.inline {
  display: flex;
  flex-flow: row wrap;
  list-style: none;
  margin: 0 0 0.625em -1.25em;
}

ul.inline > li {
  margin-left: 1.25em;
}

.unstyled dl dt {
  font-weight: 400;
  font-style: normal;
}

ol.arabic {
  list-style-type: decimal;
}

ol.decimal {
  list-style-type: decimal-leading-zero;
}

ol.loweralpha {
  list-style-type: lower-alpha;
}

ol.upperalpha {
  list-style-type: upper-alpha;
}

ol.lowerroman {
  list-style-type: lower-roman;
}

ol.upperroman {
  list-style-type: upper-roman;
}

ol.lowergreek {
  list-style-type: lower-greek;
}

.colist > table,
.hdlist > table {
  border: 0;
  background: 0 0;
}

.colist > table > tbody > tr,
.hdlist > table > tbody > tr {
  background: 0 0;
}

td.hdlist1,
td.hdlist2 {
  vertical-align: top;
  padding: 0 0.625em;
}

td.hdlist1 {
  font-weight: 700;
  padding-bottom: 1.25em;
}

td.hdlist2 {
  word-wrap: anywhere;
}

.listingblock + .colist,
.literalblock + .colist {
  margin-top: -0.5em;
}

.colist td:not([class]):first-child {
  padding: 0.4em 0.75em 0;
  line-height: 1.4;
  vertical-align: top;
}

.colist td:not([class]):first-child img {
  max-width: none;
}

.colist td:not([class]):last-child {
  padding: 0.25em 0;
}

.th,
.thumb {
  line-height: 0;
  border: 4px solid #fff;
  box-shadow: 0 0 0 1px #ddd;
}

.image.left {
  margin: 0.25em 0.625em 1.25em 0;
}

.image.right {
  margin: 0.25em 0 1.25em 0.625em;
}

.image > .title {
  margin-bottom: 0;
}

.image.th,
.image.thumb {
  border-width: 6px;
}

.image.th > .title,
.image.thumb > .title {
  padding: 0 0.125em;
}

.image.left,
.image.right {
  margin-top: 0.25em;
  margin-bottom: 0.25em;
  display: inline-block;
  line-height: 0;
}

.image.left {
  margin-right: 0.625em;
}

.image.right {
  margin-left: 0.625em;
}

.th,
.thumb,
a.image {
  display: inline-block;
}

a.image object {
  pointer-events: none;
}

sup.footnote,
sup.footnoteref {
  font-size: 0.875em;
  position: static;
  vertical-align: super;
}

a.image,
sup.footnote a,
sup.footnoteref a {
  text-decoration: none;
}

#footnotes .footnote a:first-of-type:active,
sup.footnote a:active,
sup.footnoteref a:active {
  text-decoration: underline;
}

#footnotes {
  padding-top: 0.75em;
  padding-bottom: 0.75em;
  margin: 0 auto 0.625em;
}

#footnotes hr {
  width: 20%;
  min-width: 6.25em;
  margin: -0.25em 0 0.75em;
  border-width: 1px 0 0;
}

#footnotes .footnote {
  padding: 0 0.375em 0 0.225em;
  line-height: 1.3334;
  font-size: 0.875em;
  margin-left: 1.2em;
  margin-bottom: 0.2em;
}

#footnotes .footnote a:first-of-type {
  font-weight: 700;
  text-decoration: none;
  margin-left: -1.05em;
}

#footnotes .footnote:last-of-type {
  margin-bottom: 0;
}

#content #footnotes {
  margin-top: -0.625em;
  margin-bottom: 0;
  padding: 0.75em 0;
}

div.unbreakable {
  page-break-inside: avoid;
}

.big {
  font-size: larger;
}

.small {
  font-size: smaller;
}

.underline {
  text-decoration: underline;
}

.overline {
  text-decoration: overline;
}

.line-through {
  text-decoration: line-through;
}

.aqua {
  color: #00bfbf;
}

.aqua-background {
  background: #00fafa;
}

.black {
  color: #000;
}

.black-background {
  background: #000;
}

.blue {
  color: #0000bf;
}

.blue-background {
  background: #0000fa;
}

.fuchsia {
  color: #bf00bf;
}

.fuchsia-background {
  background: #fa00fa;
}

.gray {
  color: #606060;
}

.gray-background {
  background: #7d7d7d;
}

.green {
  color: #006000;
}

.green-background {
  background: #007d00;
}

.lime {
  color: #00bf00;
}

.lime-background {
  background: #00fa00;
}

.maroon {
  color: #600000;
}

.maroon-background {
  background: #7d0000;
}

.navy {
  color: #000060;
}

.navy-background {
  background: #00007d;
}

.olive {
  color: #606000;
}

.olive-background {
  background: #7d7d00;
}

.purple {
  color: #600060;
}

.purple-background {
  background: #7d007d;
}

.red {
  color: #bf0000;
}

.red-background {
  background: #fa0000;
}

.silver {
  color: #909090;
}

.silver-background {
  background: #bcbcbc;
}

.teal {
  color: #006060;
}

.teal-background {
  background: #007d7d;
}

.white {
  color: #bfbfbf;
}

.white-background {
  background: #fafafa;
}

.yellow {
  color: #bfbf00;
}

.yellow-background {
  background: #fafa00;
}

span.icon > .fa {
  cursor: default;
}

a span.icon > .fa {
  cursor: inherit;
}

.admonition td.icon [class^="fa icon-"] {
  font-size: 2.5em;
  text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
  cursor: default;
}

.admonition td.icon .icon-note::before {
  content: "";
  color: #19407c;
}

.admonition td.icon .icon-tip::before {
  content: "";
  text-shadow: 1px 1px 2px rgba(155, 155, 0, 0.8);
  color: #111;
}

.admonition td.icon .icon-warning::before {
  content: "";
  color: #bf6900;
}

.admonition td.icon .icon-caution::before {
  content: "";
  color: #bf3400;
}

.admonition td.icon .icon-important::before {
  content: "";
  color: #bf0000;
}

.conum[data-value] {
  display: inline-block;
  background: #000;
  border-radius: 50%;
  text-align: center;
  font-size: 0.75em;
  width: 1.67em;
  height: 1.67em;
  line-height: 1.3;
  font-family: "Oxygen", "Noto Sans SC", sans-serif;
  font-style: normal;
  font-weight: 700;
}

.conum[data-value],
.conum[data-value] * {
  color: #fff !important;
}

.conum[data-value] + b {
  display: none;
}

.conum[data-value]::after {
  content: attr(data-value);
}

pre .conum[data-value] {
  position: relative;
  top: -0.125em;
}

b.conum * {
  color: inherit !important;
}

.conum:not([data-value]):empty {
  display: none;
}

div.footnote,
dt,
td.content,
th.table {
  text-rendering: optimizeLegibility;
}

span.alt,
summary,
td.content {
  letter-spacing: -0.01em;
}

div.footnote strong,
td.content strong {
  letter-spacing: -0.005em;
}

blockquote,
dt,
span.alt,
summary,
td.content,
td.hdlist1 {
  font-size: 1.0625rem;
}

p {
  margin-bottom: 1rem;
  font-size: 1.1rem;
}

.example > .content {
  background: #fffef7;
  border-color: #e0e0dc;
  box-shadow: 0 1px 4px #e0e0dc;
}

.print-only {
  display: none !important;
}

@page {
  margin: 1.25cm 0.75cm;
}
@media print {
  * {
    box-shadow: none !important;
    text-shadow: none !important;
  }
  html {
    font-size: 80%;
  }
  a {
    color: inherit !important;
    text-decoration: underline !important;
  }
  a.bare,
a[href^="#"],
a[href^="mailto:"] {
    text-decoration: none !important;
  }
  a[href^="http:"]:not(.bare)::after,
a[href^="https:"]:not(.bare)::after {
    content: "(" attr(href) ")";
    display: inline-block;
    font-size: 0.875em;
    padding-left: 0.25em;
  }
  abbr[title] {
    border-bottom: 1px dotted;
  }
  abbr[title]::after {
    content: " (" attr(title) ")";
  }
  blockquote,
img,
object,
pre,
svg,
tr {
    page-break-inside: avoid;
  }
  thead {
    display: table-header-group;
  }
  svg {
    max-width: 100%;
  }
  blockquote,
dt,
p,
td.content {
    font-size: 1em;
    orphans: 3;
    widows: 3;
  }
  #toctitle,
.sidebar > .content > .title,
h2,
h3 {
    page-break-after: avoid;
  }
  #content,
#footer,
#footnotes,
#header {
    max-width: none;
  }
  #toc,
.example > .content,
.sidebar {
    background: 0 0 !important;
  }
  #toc {
    border-bottom: 1px solid #dddddf !important;
    padding-bottom: 0 !important;
  }
  body.book #header {
    text-align: center;
  }
  body.book #header > h1:first-child {
    border: 0 !important;
    margin: 2.5em 0 1em;
  }
  body.book #header .details {
    border: 0 !important;
    display: block;
    padding: 0 !important;
  }
  body.book #header .details span:first-child {
    margin-left: 0 !important;
  }
  .listing code[data-lang]::before,
body.book #header .details br {
    display: block;
  }
  body.book #header .details br + span::before {
    content: none !important;
  }
  body.book #toc {
    border: 0 !important;
    text-align: left !important;
    padding: 0 !important;
    margin: 0 !important;
  }
  body.book #preamble,
body.book #toc,
body.book .sect1 > h2,
body.book h1.sect0 {
    page-break-before: always;
  }
  #footer {
    padding: 0 0.9375em;
  }
  .hide-on-print {
    display: none !important;
  }
  .print-only {
    display: block !important;
  }
  .hide-for-print {
    display: none !important;
  }
  .show-for-print {
    display: inherit !important;
  }
}
@media amzn-kf8, print {
  #header > h1:first-child {
    margin-top: 1.25rem;
  }
  .sect1 {
    padding: 0 !important;
  }
  .sect1 + .sect1 {
    border: 0;
  }
  #footer {
    background: 0 0;
  }
  #footer-text {
    color: rgba(0, 0, 0, 0.6);
    font-size: 0.9em;
  }
}
@media amzn-kf8 {
  #content,
#footer,
#footnotes,
#header {
    padding: 0;
  }
}