main,
.center-content {
	position: relative;
	z-index: 2;
	width: 55.7%;
	margin: -10vh auto 1em;
	padding: 2em 4%;
	border-radius: 10px;
	background-color: var(--article-bg-clr);
	font-size: 1em;
	line-height: 1.5em;
	box-shadow: 0 0 20px var(--article-shadow-clr);
	color: var(--txt-main-clr);
}

.center-content {
	margin-top: 1em !important;
	margin-bottom: 1em !important;
}

aside {
	padding: 6em 1em 0;
	width: 15%;
	height: 100%;
}

main h1,
main h2,
main h3 {
	font-family: "Unifont";
}

main h1 {
	font-size: 2.3em;
	margin: 2.5em auto 1em;
}

main h1::before {
	content: "#";
	color: var(--text-h1-marker-clr);
	margin-right: 0.5em;
}

main h2 {
	font-size: 1.7em;
	margin: 2em auto 1em;
}

main h2::before {
	content: "##";
	color: var(--text-h2-marker-clr);
	margin-right: 0.5em;
}

main h3 {
	font-size: 1.5em;
	margin: 1.5em auto 1em;
}

main h1:first-child,
main h2:first-child,
main h3:first-child {
	margin-top: 0.8em;
}

main a, 
main blockquote {
	white-space: normal;
	word-wrap: break-word;
}

blockquote p {
	padding-left: 3%;
	padding-right: 3%;
}

main h1,
main h2,
main h3 {
	line-height: 1.2em;
}

main p,
main li {
	font-family: "Noto Serif SC Regular";
	font-size: 1.1em;
	line-height: 1.5em;
}

main hr {
	margin: 2em auto;
	width: 90%;
}

main pre code {
	border-radius: 4px;
	font-family: "Ubuntu Mono";
	line-height: 1.5em;
}

main code {
	padding: 0.2em;
	font-family: "Ubuntu Mono";
	color: var(--text-code-clr);
	background-color: var(--text-code-bg-clr);
}

a code {
	color: inherit;
}

main blockquote {
	border: solid 1px var(--text-blkquote-border-clr);
	border-left: solid 4px var(--text-blkquote-border-lft-clr);
	border-radius: 4px;
	margin: unset;
	font-size: 0.9em;
}

main li {
	margin-left: 5%;
	margin-right: 5%;
}

main br {
	height: 0;
}

main del {
	color: var(--txt-lighter-clr);
}

main img {
	display: block;
	margin: 1em auto 0.1em;
	max-width: 100%;
	max-height: 30em;
}

main .img-tag {
	color: var(--txt-lighter-clr);
	font-size: 0.8em;
	text-align: center;
}

main span.math.inline {
	display: inline-block;
	vertical-align: baseline;
}

/* NOT FORMATTED! */

main a,
.link {
	color: var(--link-clr);
	text-decoration: underline;
	transition: background-size 300ms ease-in-out, color 300ms ease-in-out;
}

main a:hover,
.link:hover {
	color: var(--link-hover-clr);
}

ul {
	padding-left: 1em;
}

.hidden-toast {
	background-color: var(--warning-clr);
	border-radius: 0.5em;
	margin: 0.5em 0;
	padding: 0.5em 1em;
}

.hidden-toast::before {
	content: '部分内容被隐藏以防止自动化程序抓取，点击此处通过人机验证后即可查看。';
}

#eof {
	color: var(--txt-sub-clr);
	margin: 1.5em auto;
	font-size: 1.2em;
	text-align: center;
}

#eof::before,
#eof::after {
	content: '- - -';
	display: inline-block;
	height: 0;
	color: var(--txt-sub-clr);
	margin: 0 1.2em;
}

@media (prefers-color-scheme: dark) {
	main img {
		filter: brightness(85%);
		transition: filter 0.5s;
	}

	main img:hover {
		filter: none;
	}
}