@charset "UTF-8";/*!normalize.css v8.0.1 | MIT License | github.com/necolas/normalize.css*/html {
	line-height: 1.15;
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
}
::-webkit-scrollbar {
	display: none;
}
main {
	display: block;
}

h1 {
	font-size: 2em;
	margin: .67em 0;
}
/* Make sure embeds and iframes fit their containers */

embed,
iframe,
object {
  max-width: 100%;
}
hr {
	box-sizing: content-box;
	height: 0;
	overflow: visible;
}

pre {
	font-family: monospace,monospace;
	font-size: 1em;
}

a {
	background-color: transparent;
	word-wrap: break-word;
}

abbr[title] {
	border-bottom: none;
	text-decoration: underline;
	text-decoration: underline dotted;
}

b,strong {
	font-weight: bolder;
}

code,kbd,samp {
	font-family: monospace,monospace;
	font-size: 1em;
}

small {
	font-size: 80%;
}

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

sub {
	bottom: -.25em;
}

sup {
	top: -.5em;
}

img {
	border-style: none;
}

button,input,optgroup,select,textarea {
	font-family: inherit;
	font-size: 100%;
	line-height: 1.15;
	margin: 0;
}

button,input {
	overflow: visible;
}

button,select {
	text-transform: none;
}

button,[type=button],[type=reset],[type=submit] {
	-webkit-appearance: button;
}

button::-moz-focus-inner,[type=button]::-moz-focus-inner,[type=reset]::-moz-focus-inner,[type=submit]::-moz-focus-inner {
	border-style: none;
	padding: 0;
}

button:-moz-focusring,[type=button]:-moz-focusring,[type=reset]:-moz-focusring,[type=submit]:-moz-focusring {
	outline: 1px dotted ButtonText;
}

fieldset {
	padding: .35em .75em .625em;
}

legend {
	box-sizing: border-box;
	color: inherit;
	display: table;
	max-width: 100%;
	padding: 0;
	white-space: normal;
}

progress {
	vertical-align: baseline;
}

textarea {
	overflow: auto;
}

[type=checkbox],[type=radio] {
	box-sizing: border-box;
	padding: 0;
}

[type=number]::-webkit-inner-spin-button,[type=number]::-webkit-outer-spin-button {
	height: auto;
}

[type=search] {
	-webkit-appearance: textfield;
	outline-offset: -2px;
}

[type=search]::-webkit-search-decoration {
	-webkit-appearance: none;
}

::-webkit-file-upload-button {
	-webkit-appearance: button;
	font: inherit;
}

details {
	display: block;
}

summary {
	display: list-item;
}

template {
	display: none;
}

[hidden] {
	display: none;
}

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

html {
	box-sizing: border-box;
	font-size: 62.5%;
}

body {
	color: #212121;
	background-color: #fafafa;
	font-family: -apple-system,BlinkMacSystemFont,segoe ui,Roboto,Oxygen-Sans,Ubuntu,Cantarell,helvetica neue,Helvetica,pingfang sc,STXihei,华文细黑,microsoft yahei,微软雅黑,SimSun,宋体,Heiti,黑体,sans-serif;
	font-size: 1.8em;
	font-weight: 400;
	line-height: 1.8em;
}

@media only screen and (max-width:768px) {
	body {
		font-size: 1.6em;
		line-height: 1.6em;
	}
}

a {
	font-weight: 500;
	color: #4e5d94;
	text-decoration: none;
	transition: all .25s ease-in;
}
li.navigation-item a{
    text-decoration: none;
  }
  section.title-container a{
    text-decoration: none;
  }
a:focus,a:hover {
	text-decoration: underline;
}

p {
	margin: 2rem 0;
}

h1,h2,h3,h4,h5,h6 {
	font-family: -apple-system,BlinkMacSystemFont,segoe ui,Roboto,Oxygen-Sans,Ubuntu,Cantarell,helvetica neue,Helvetica,pingfang sc,STXihei,华文细黑,microsoft yahei,微软雅黑,SimSun,宋体,Heiti,黑体,sans-serif;
	font-weight: 600;
	color: #000;
	margin: 4rem 0 2.5rem;
}

h1:hover .heading-link,h2:hover .heading-link,h3:hover .heading-link,h4:hover .heading-link,h5:hover .heading-link,h6:hover .heading-link {
	visibility: visible;
}

h1 .heading-link,h2 .heading-link,h3 .heading-link,h4 .heading-link,h5 .heading-link,h6 .heading-link {
	color: #4e5d94;
	font-weight: inherit;
	text-decoration: none;
	font-size: 80%;
	visibility: hidden;
}

h1 .title-link,h2 .title-link,h3 .title-link,h4 .title-link,h5 .title-link,h6 .title-link {
	color: inherit;
	font-weight: inherit;
	text-decoration: none;
}

h1 {
	font-size: 3.2rem;
	line-height: 3.6rem;
}

@media only screen and (max-width:768px) {
	h1 {
		font-size: 3rem;
		line-height: 3.4rem;
	}
}

h2 {
	font-size: 2.8rem;
	line-height: 3.2rem;
}

@media only screen and (max-width:768px) {
	h2 {
		font-size: 2.6rem;
		line-height: 3rem;
	}
}

h3 {
	font-size: 2.4rem;
	line-height: 2.8rem;
}

@media only screen and (max-width:768px) {
	h3 {
		font-size: 2.2rem;
		line-height: 2.6rem;
	}
}

h4 {
	font-size: 2.2rem;
	line-height: 2.6rem;
}

@media only screen and (max-width:768px) {
	h4 {
		font-size: 2rem;
		line-height: 2.4rem;
	}
}

h5 {
	font-size: 2rem;
	line-height: 2.4rem;
}

@media only screen and (max-width:768px) {
	h5 {
		font-size: 1.8rem;
		line-height: 2.2rem;
	}
}

h6 {
	font-size: 1.8rem;
	line-height: 2.2rem;
}

@media only screen and (max-width:768px) {
	h6 {
		font-size: 1.6rem;
		line-height: 2rem;
	}
}

b,strong {
	font-weight: 700;
}

.highlight>div,.highlight>pre {
	margin: 2rem 0;
	padding: 1rem;
	border-radius: 1rem;
}

pre {
	display: block;
	font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
	font-size: 1.6rem;
	font-weight: 400;
	line-height: 2.6rem;
	overflow-x: auto;
	margin: 0;
}

pre code {
	display: inline-block;
	background-color: inherit;
	color: inherit;
}

code {
	font-family: SFMono-Regular,Consolas,Liberation Mono,Menlo,monospace;
	font-size: 1.6rem;
	font-weight: 400;
	background-color: #e0e0e0;
	color: #212121;
	border-radius: .6rem;
	padding: .3rem .6rem;
}

blockquote {
	border-left: 2px solid #e0e0e0;
	padding-left: 2rem;
	line-height: 2.2rem;
	font-weight: 400;
	font-style: italic;
}

th,td {
	padding: 1.6rem;
}

table {
	border-collapse: collapse;
}

table td,table th {
	border: 2px solid #000;
}

table tr:first-child th {
	border-top: 0;
}

table tr:last-child td {
	border-bottom: 0;
}

table tr td:first-child,table tr th:first-child {
	border-left: 0;
}

table tr td:last-child,table tr th:last-child {
	border-right: 0;
}

img {
	max-width: 100%;
}

figure {
	text-align: center;
}

.preload-transitions * {
	-webkit-transition: none!important;
	-moz-transition: none!important;
	-ms-transition: none!important;
	-o-transition: none!important;
	transition: none!important;
}

.wrapper {
	display: flex;
	flex-direction: column;
	min-height: 100vh;
	width: 100%;
}

.container {
	margin: 1rem auto;
	max-width: 90rem;
	width: 100%;
	padding-left: 2rem;
	padding-right: 2rem;
}
.title-container {
    margin: 1rem auto;
    max-width: 90rem;
    width: 100%;
    padding-left: 2rem;
    padding-right: 2rem; 
}

.fab {
	font-weight: 400;
}

.fas {
	font-weight: 700;
}

.float-right {
	float: right;
}

.float-left {
	float: left;
}

.fab {
	font-weight: 400;
}

.fas {
	font-weight: 900;
}

.content {
	flex: 1;
	display: flex;
	margin-top: 1.6rem;
	margin-bottom: 3.2rem;
}

.content article details summary {
	cursor: pointer;
}

.content article header {
	margin-top: 6.4rem;
	margin-bottom: 3.2rem;
}

.content article header h1 {
	font-size: 4.2rem;
	line-height: 4.6rem;
	margin: 0;
}

@media only screen and (max-width:768px) {
	.content article header h1 {
		font-size: 4rem;
		line-height: 4.4rem;
	}
}

.content article footer {
	margin-top: 4rem;
}
body.colorscheme-dark .footer a {
	color: #000;
	text-decoration: none;
}
body.colorscheme-dark .footer a:hover, a:focus, a:active {
	color: #7289da;
}

@media(prefers-color-scheme:dark) {
	body.colorscheme-auto .footer a {
		color: #7289da;
	}
}
.content article footer .see-also {
	margin: 3.2rem 0;
}

.content article footer .see-also h3 {
	margin: 3.2rem 0;
}

.content article p {
	text-align: justify;
	text-justify: auto;
	hyphens: auto;
}

.content .post .post-title {
	margin-bottom: .75em;
}

.content .post .post-meta i {
	text-align: center;
	width: 1.6rem;
	margin-left: 0;
	margin-right: .5rem;
}

.content .post .post-meta .date .posted-on {
	margin-left: 0;
	margin-right: 1.5rem;
}

.content .post .post-meta .tags .tag {
	display: inline-block;
	padding: .3rem .6rem;
	background-color: #e0e0e0;
	border-radius: .6rem;
	line-height: 1.4em;
}

.content .post .post-meta .tags .tag a {
	color: #212121;
}

.content .post .post-meta .tags .tag a:active {
	color: #212121;
}

.content figure {
	margin: 0;
	padding: 0;
}

.content figcaption p {
	text-align: center;
	font-style: italic;
	font-size: 1.6rem;
	margin: 0;
}

.avatar img {
	width: 20rem;
	height: auto;
	border-radius: 50%;
}

@media only screen and (max-width:768px) {
	.avatar img {
		width: 10rem;
	}
}

.list ul {
	margin: 3.2rem 0;
	list-style: none;
	padding: 0;
}

.list ul li {
	font-size: 1.8rem;
}

@media only screen and (max-width:768px) {
	.list ul li {
		margin: 1.6rem 0;
	}
}

.list ul li .date {
	display: inline-block;
	flex: 1;
	width: 20rem;
	text-align: right;
	margin-right: 3rem;
}

@media only screen and (max-width:768px) {
	.list ul li .date {
		display: block;
		text-align: left;
	}
}

.list ul li .title {
	font-size: 1.8rem;
	flex: 2;
	color: #212121;
	font-family: -apple-system,BlinkMacSystemFont,segoe ui,Roboto,Oxygen-Sans,Ubuntu,Cantarell,helvetica neue,Helvetica,pingfang sc,STXihei,华文细黑,microsoft yahei,微软雅黑,SimSun,宋体,Heiti,黑体,sans-serif;
	font-weight: 700;
}

.list ul li .title:hover,.list ul li .title:focus {
	color: #7289DA;
}

@media only screen and (min-width:768.1px) {
	.list ul:not(.pagination) li {
		display: flex;
	}
}

.centered {
	display: flex;
	align-items: center;
	justify-content: center;
}

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

.centered .about h1 {
	margin-top: 2rem;
	margin-bottom: .5rem;
}

.centered .about h2 {
	margin-top: 1rem;
	margin-bottom: .5rem;
	font-size: 2.4rem;
}

@media only screen and (max-width:768px) {
	.centered .about h2 {
		font-size: 2rem;
	}
}

.centered .about ul {
	list-style: none;
	margin: 3rem 0 1rem;
	padding: 0;
}

.centered .about ul li {
	display: inline-block;
	position: relative;
}

.centered .about ul li a {
	color: #212121;
	text-transform: uppercase;
	margin-left: 1rem;
	margin-right: 1rem;
	font-size: 1.6rem;
}

.centered .about ul li a:hover,.centered .about ul li a:focus {
	color: #7289DA;
}

@media only screen and (max-width:768px) {
	.centered .about ul li a {
		font-size: 1.4rem;
	}
}

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

.centered .error h1 {
	margin-top: 2rem;
	margin-bottom: .5rem;
	font-size: 4.6rem;
}

@media only screen and (max-width:768px) {
	.centered .error h1 {
		font-size: 3.2rem;
	}
}

.centered .error h2 {
	margin-top: 2rem;
	margin-bottom: 3.2rem;
	font-size: 3.2rem;
}

@media only screen and (max-width:768px) {
	.centered .error h2 {
		font-size: 2.8rem;
	}
}

.notice {
	border-radius: .2rem;
	position: relative;
	margin: 2rem 0;
	padding: 0 .75rem;
	overflow: auto;
}

.notice .notice-title {
	position: relative;
	font-weight: 700;
	margin: 0 -.75rem;
	padding: .2rem 3.5rem;
	border-bottom: 1px solid #fafafa;
}

.notice .notice-title i {
	position: absolute;
	top: 50%;
	left: 1.8rem;
	transform: translate(-50%,-50%);
}

.notice .notice-content {
	display: block;
	margin: 2rem;
}

.notice.note {
	background-color: #7e57c21a;
}

.notice.note .notice-title {
	background-color: #673ab71a;
}

.notice.note .notice-title i {
	color: #5e35b1;
}

.notice.tip {
	background-color: #26a69a1a;
}

.notice.tip .notice-title {
	background-color: #0096881a;
}

.notice.tip .notice-title i {
	color: #00897b;
}

.notice.example {
	background-color: #8d6e631a;
}

.notice.example .notice-title {
	background-color: #7955481a;
}

.notice.example .notice-title i {
	color: #6d4c41;
}

.notice.question {
	background-color: #9ccc651a;
}

.notice.question .notice-title {
	background-color: #8bc34a1a;
}

.notice.question .notice-title i {
	color: #7cb342;
}

.notice.info {
	background-color: #42a5f51a;
}

.notice.info .notice-title {
	background-color: #2196f31a;
}

.notice.info .notice-title i {
	color: #1e88e5;
}

.notice.warning {
	background-color: #ffca281a;
}

.notice.warning .notice-title {
	background-color: #ffc1071a;
}

.notice.warning .notice-title i {
	color: #ffb300;
}

.notice.error {
	background-color: #ef53501a;
}

.notice.error .notice-title {
	background-color: #f443361a;
}

.notice.error .notice-title i {
	color: #e53935;
}

.navigation {
	height: 6rem;
	width: 100%;
}

.navigation a,.navigation span {
	display: inline;
	font-size: 1.7rem;
	font-family: -apple-system,BlinkMacSystemFont,segoe ui,Roboto,Oxygen-Sans,Ubuntu,Cantarell,helvetica neue,Helvetica,pingfang sc,STXihei,华文细黑,microsoft yahei,微软雅黑,SimSun,宋体,Heiti,黑体,sans-serif;
	font-weight: 600;
	color: #212121;
}

.navigation a:hover,.navigation a:focus {
	color: #7289DA;
}

.navigation .navigation-title {
	letter-spacing: .1rem;
	text-transform: uppercase;
}

.navigation .navigation-list {
	float: right;
	list-style: none;
	margin-bottom: 0;
	margin-top: 0;
}

@media only screen and (max-width:768px) {
	.navigation .navigation-list {
		position: relative;
		top: 2rem;
		right: 0;
		z-index: 5;
		visibility: hidden;
		opacity: 0;
		padding: 0;
		max-height: 0;
		width: 100%;
		background-color: #fafafa;
		border-top: solid 2px #e0e0e0;
		border-bottom: solid 2px #e0e0e0;
		transition: opacity .25s,max-height .15s linear;
	}
}

.navigation .navigation-list .navigation-item {
	float: left;
	margin: 0;
	position: relative;
}

@media only screen and (max-width:768px) {
	.navigation .navigation-list .navigation-item {
		float: none!important;
		text-align: center;
	}

	.navigation .navigation-list .navigation-item a,.navigation .navigation-list .navigation-item span {
		line-height: 5rem;
	}
}

.navigation .navigation-list .navigation-item a,.navigation .navigation-list .navigation-item span {
	margin-left: 1rem;
	margin-right: 1rem;
}

@media only screen and (max-width:768px) {
	.navigation .navigation-list .separator {
		display: none;
	}
}

@media only screen and (max-width:768px) {
	.navigation .navigation-list .menu-separator {
		border-top: 2px solid #212121;
		margin: 0 8rem;
	}

	.navigation .navigation-list .menu-separator span {
		display: none;
	}
}

.navigation #dark-mode-toggle {
	margin: 1.7rem 0;
	font-size: 2.4rem;
	line-height: inherit;
	bottom: 2rem;
	left: 2rem;
	z-index: 100;
	position: fixed;
}

.navigation #menu-toggle {
	display: none;
}

@media only screen and (max-width:768px) {
	.navigation #menu-toggle:checked+label>i {
		color: #e0e0e0;
	}

	.navigation #menu-toggle:checked+label+ul {
		visibility: visible;
		opacity: 1;
		max-height: 100rem;
	}
}

.navigation .menu-button {
	display: none;
}

@media only screen and (max-width:768px) {
	.navigation .menu-button {
		position: relative;
		display: block;
		font-size: 2.4rem;
		font-weight: 400;
	}
}

.navigation .menu-button i:hover,.navigation .menu-button i:focus {
	color: #000;
}

.navigation i {
	color: #212121;
	cursor: pointer;
}

.navigation i:hover,.navigation i:focus {
	color: #7289DA;
}

.pagination {
	margin-top: 6rem;
	text-align: center;
	font-family: -apple-system,BlinkMacSystemFont,segoe ui,Roboto,Oxygen-Sans,Ubuntu,Cantarell,helvetica neue,Helvetica,pingfang sc,STXihei,华文细黑,microsoft yahei,微软雅黑,SimSun,宋体,Heiti,黑体,sans-serif;
}

.pagination li {
	display: inline;
	text-align: center;
	font-weight: 700;
}

.pagination li span {
	margin: 0;
	text-align: center;
	width: 3.2rem;
}

.pagination li a {
	font-weight: 300;
}

.pagination li a span {
	margin: 0;
	text-align: center;
	width: 3.2rem;
}

.tabs {
	display: flex;
	flex-wrap: wrap;
	margin: 2rem 0;
	position: relative;
}

.tabs.tabs-left {
	justify-content: flex-start;
}

.tabs.tabs-left label.tab-label {
	margin-right: .5rem;
}

.tabs.tabs-left .tab-content {
	border-radius: 0 4px 4px 4px;
}

.tabs.tabs-right {
	justify-content: flex-end;
}

.tabs.tabs-right label.tab-label {
	margin-left: .5rem;
}

.tabs.tabs-right .tab-content {
	border-radius: 4px 0 4px 4px;
}

.tabs input.tab-input {
	display: none;
}

.tabs label.tab-label {
	background-color: #e0e0e0;
	border-color: #ccc;
	border-radius: 4px 4px 0 0;
	border-style: solid;
	border-bottom-style: hidden;
	border-width: 1px;
	cursor: pointer;
	display: inline-block;
	order: 1;
	padding: .3rem .6rem;
	position: relative;
	top: 1px;
	user-select: none;
}

.tabs input.tab-input:checked+label.tab-label {
	background-color: #fafafa;
}

.tabs .tab-content {
	background-color: #fafafa;
	border-color: #ccc;
	border-style: solid;
	border-width: 1px;
	display: none;
	order: 2;
	padding: 1rem;
	width: 100%;
}

.tabs.tabs-code .tab-content {
	padding: .5rem;
}

.tabs.tabs-code .tab-content pre {
	margin: 0;
}

.taxonomy li {
	display: inline-block;
	margin: .9rem;
}

.taxonomy .taxonomy-element {
	display: block;
	padding: .3rem .9rem;
	background-color: #e0e0e0;
	border-radius: .6rem;
}

.taxonomy .taxonomy-element a {
	color: #212121;
}

.taxonomy .taxonomy-element a:active {
	color: #212121;
}

.footer {
	width: 100%;
	text-align: center;
	font-size: 1.6rem;
	line-height: 2rem;
	margin-bottom: 1rem;
}

.footer a {
	color: #7289DA;
}

.float-container {
	bottom: 2rem;
	right: 2rem;
	z-index: 100;
	position: fixed;
	font-size: 1.6em;
}

.float-container a {
	position: relative;
	display: inline-block;
	width: 3rem;
	height: 3rem;
	font-size: 2rem;
	color: #000;
	background-color: #e0e0e0;
	border-radius: .2rem;
	opacity: .5;
	transition: all .25s ease-in;
}

.float-container a:hover,.float-container a:focus {
	color: #7289DA;
	opacity: 1;
}

@media only screen and (max-width:768px) {
	.float-container a:hover,.float-container a:focus {
		color: #000;
		opacity: .5;
	}
}

.float-container a i {
	position: absolute;
	top: 50%;
	left: 50%;
	transform: translate(-50%,-50%);
}