/* ==========================================================================
   黑白经典报纸风 (Classic Black & White Newspaper) — style.css
   OTCMS / 小旋风 theme stylesheet
   Pure black / white / grayscale, one deep red accent for "breaking" labels.
   ========================================================================== */

:root {
	--ink: #111111;
	--ink-soft: #2b2b2b;
	--gray-900: #1a1a1a;
	--gray-700: #3d3d3d;
	--gray-500: #6b6b6b;
	--gray-300: #b3b3b3;
	--gray-200: #d6d6d6;
	--gray-100: #ececec;
	--paper: #ffffff;
	--paper-off: #fafaf8;
	--rule-thick: 4px;
	--rule-thin: 1px;
	--red: #7a0e14;
	--serif: "Noto Serif SC", "Songti SC", "SimSun", "Times New Roman", Times, Georgia, serif;
	--sans: "PingFang SC", "Microsoft YaHei", Arial, Helvetica, sans-serif;
	--max-width: 1180px;
}

* {
	box-sizing: border-box;
}

html {
	-webkit-text-size-adjust: 100%;
}

body {
	margin: 0;
	padding: 0;
	background: var(--paper-off);
	color: var(--ink);
	font-family: var(--serif);
	font-size: 16px;
	line-height: 1.7;
	-webkit-font-smoothing: antialiased;
}

.wrap {
	max-width: var(--max-width);
	margin: 0 auto;
	background: var(--paper);
	padding: 0 24px;
	border-left: var(--rule-thin) solid var(--gray-200);
	border-right: var(--rule-thin) solid var(--gray-200);
}

a {
	color: var(--ink);
	text-decoration: none;
}

a:hover {
	text-decoration: underline;
	text-decoration-thickness: 1px;
	text-underline-offset: 3px;
}

img {
	max-width: 100%;
	height: auto;
	display: block;
}

h1, h2, h3, h4 {
	font-family: var(--serif);
	font-weight: 700;
	margin: 0;
	color: var(--ink);
}

p {
	margin: 0 0 1em;
}

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

time {
	color: var(--gray-500);
	font-variant-numeric: tabular-nums;
}

/* ---------------------------------------------------------------------- */
/* Rule dividers                                                          */
/* ---------------------------------------------------------------------- */

.rule {
	border: none;
	height: 0;
	margin: 0;
}

.rule-thick {
	border-top: var(--rule-thick) solid var(--ink);
	margin: 10px 0 4px;
}

.rule-thin {
	border-top: var(--rule-thin) solid var(--ink);
	margin: 6px 0;
}

/* masthead double rule = thick + thin stacked, see markup order */

/* ---------------------------------------------------------------------- */
/* Masthead / header                                                      */
/* ---------------------------------------------------------------------- */

.masthead {
	padding-top: 14px;
}

.masthead-top {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
	font-family: var(--sans);
	font-size: 12px;
	letter-spacing: 0.06em;
	text-transform: uppercase;
	color: var(--gray-500);
	padding-bottom: 6px;
}

.masthead-tools a {
	color: var(--gray-500);
}

.masthead-brand {
	text-align: center;
	padding: 14px 0 10px;
}

.masthead-logo {
	display: inline-block;
}

.masthead-logo img {
	margin: 0 auto;
}

.masthead-nav {
	display: flex;
	flex-wrap: wrap;
	justify-content: center;
	gap: 0;
	font-family: var(--sans);
	font-size: 14px;
	font-weight: 600;
	letter-spacing: 0.02em;
	padding: 10px 0;
}

.masthead-nav a {
	padding: 4px 14px;
	border-right: var(--rule-thin) solid var(--gray-200);
	white-space: nowrap;
}

.masthead-nav a:last-child {
	border-right: none;
}

.masthead-nav a:hover {
	color: var(--red);
	text-decoration: none;
}

.nav-home {
	color: var(--red) !important;
}

/* ---------------------------------------------------------------------- */
/* Section labels (small-caps style)                                      */
/* ---------------------------------------------------------------------- */

.section-label {
	font-family: var(--sans);
	font-size: 13px;
	font-weight: 700;
	letter-spacing: 0.14em;
	text-transform: uppercase;
	color: var(--ink);
	margin: 18px 0 4px;
}

/* ---------------------------------------------------------------------- */
/* Homepage                                                               */
/* ---------------------------------------------------------------------- */

.edition-strip {
	display: flex;
	align-items: baseline;
	gap: 10px;
	padding: 10px 0;
	font-family: var(--sans);
	font-size: 13px;
	color: var(--gray-700);
}

.edition-label {
	font-weight: 700;
	color: var(--red);
	text-transform: uppercase;
	letter-spacing: 0.08em;
}

.edition-desc {
	color: var(--gray-500);
	overflow: hidden;
	text-overflow: ellipsis;
	white-space: nowrap;
}

.catelog-block {
	padding: 16px 0 4px;
}

.catelog-head {
	display: flex;
	align-items: baseline;
	justify-content: space-between;
}

.catelog-title {
	font-size: 22px;
	letter-spacing: 0.01em;
}

.catelog-title a {
	color: var(--ink);
}

.catelog-more {
	font-family: var(--sans);
	font-size: 12px;
	color: var(--gray-500);
	text-transform: uppercase;
	letter-spacing: 0.05em;
}

.catelog-columns {
	column-count: 3;
	column-gap: 28px;
	column-rule: var(--rule-thin) solid var(--gray-200);
	padding: 12px 0 4px;
}

.brief {
	break-inside: avoid;
	padding-bottom: 14px;
	margin-bottom: 14px;
	border-bottom: var(--rule-thin) dotted var(--gray-300);
}

.brief-title {
	font-size: 16px;
	line-height: 1.5;
	font-weight: 600;
}

.brief-title a {
	color: var(--ink);
}

.brief-meta {
	font-family: var(--sans);
	font-size: 12px;
	margin-top: 4px;
}

/* ---------------------------------------------------------------------- */
/* Breadcrumb                                                             */
/* ---------------------------------------------------------------------- */

.breadcrumb-rule {
	margin-top: 8px;
}

.breadcrumb {
	font-family: var(--sans);
	font-size: 12px;
	color: var(--gray-500);
	padding: 6px 0;
	letter-spacing: 0.03em;
}

/* ---------------------------------------------------------------------- */
/* Two column layout (list / show)                                       */
/* ---------------------------------------------------------------------- */

.layout-2col {
	display: grid;
	grid-template-columns: 1fr 300px;
	gap: 36px;
	padding: 10px 0 30px;
	align-items: start;
}

/* ---------------------------------------------------------------------- */
/* List page                                                              */
/* ---------------------------------------------------------------------- */

.list-title {
	font-size: 30px;
	padding: 10px 0 6px;
}

.article-list {
	padding-top: 4px;
}

.list-item {
	padding: 16px 0;
}

.list-item-title {
	font-size: 19px;
	line-height: 1.45;
}

.list-item-title a {
	color: var(--ink);
}

.list-item-summary {
	color: var(--gray-700);
	font-size: 15px;
	margin: 6px 0 8px;
}

.list-item-meta {
	font-family: var(--sans);
	font-size: 12px;
	color: var(--gray-500);
	letter-spacing: 0.02em;
}

.meta-sep {
	margin: 0 6px;
}

.pagination {
	display: flex;
	flex-wrap: wrap;
	gap: 6px;
	justify-content: center;
	padding: 24px 0 12px;
	font-family: var(--sans);
	font-size: 13px;
}

.pagination a {
	border: var(--rule-thin) solid var(--gray-300);
	padding: 6px 12px;
	color: var(--ink-soft);
}

.pagination a:hover {
	background: var(--ink);
	color: var(--paper);
	text-decoration: none;
}

/* ---------------------------------------------------------------------- */
/* Sidebar                                                                */
/* ---------------------------------------------------------------------- */

.sidebar-block {
	margin-bottom: 26px;
}

.sidebar-list li {
	padding: 9px 0;
	border-bottom: var(--rule-thin) dotted var(--gray-300);
	font-size: 14px;
	line-height: 1.5;
}

.sidebar-list li a {
	display: block;
	color: var(--ink);
}

.sidebar-list li time {
	display: block;
	font-family: var(--sans);
	font-size: 11px;
	margin-top: 2px;
}

.sidebar-list-ranked {
	counter-reset: rank;
}

.sidebar-list-ranked li {
	position: relative;
	padding-left: 26px;
}

.sidebar-list-ranked li::before {
	counter-increment: rank;
	content: counter(rank);
	position: absolute;
	left: 0;
	top: 9px;
	font-family: var(--sans);
	font-weight: 700;
	font-size: 12px;
	color: var(--paper);
	background: var(--ink);
	width: 16px;
	height: 16px;
	line-height: 16px;
	text-align: center;
}

.sidebar-list-ranked li:nth-child(-n+3)::before {
	background: var(--red);
}

/* ---------------------------------------------------------------------- */
/* Article / show page                                                    */
/* ---------------------------------------------------------------------- */

.article-header {
	padding: 10px 0 4px;
	text-align: center;
}

.article-title {
	font-size: 34px;
	line-height: 1.35;
	padding: 0 0 12px;
}

.article-meta {
	font-family: var(--sans);
	font-size: 13px;
	color: var(--gray-500);
	letter-spacing: 0.03em;
}

.summary {
	font-family: var(--serif);
	font-style: italic;
	font-size: 17px;
	color: var(--gray-700);
	padding: 14px 8px;
	text-align: center;
	line-height: 1.6;
}

.article-body {
	padding: 18px 0 8px;
	font-size: 17px;
	line-height: 1.9;
	column-count: 2;
	column-gap: 32px;
	column-rule: var(--rule-thin) solid var(--gray-200);
	text-align: justify;
	hyphens: auto;
}

.article-body p {
	margin: 0 0 1.1em;
	text-indent: 2em;
}

.article-body img {
	break-inside: avoid;
	margin: 10px auto;
	border: var(--rule-thin) solid var(--gray-300);
	padding: 4px;
	background: var(--paper);
}

.article-body h2,
.article-body h3 {
	break-after: avoid;
	break-inside: avoid;
	margin: 0.6em 0 0.4em;
}

.article-body blockquote {
	margin: 1em 0;
	padding: 6px 0 6px 16px;
	border-left: 3px solid var(--ink);
	font-style: italic;
	color: var(--gray-700);
}

.prev-next {
	display: grid;
	grid-template-columns: 1fr 1fr;
	gap: 20px;
	padding: 14px 0 6px;
	font-family: var(--sans);
	font-size: 14px;
}

.next-article {
	text-align: right;
}

.pn-label {
	display: block;
	font-size: 11px;
	color: var(--gray-500);
	text-transform: uppercase;
	letter-spacing: 0.08em;
	margin-bottom: 4px;
}

/* ---------------------------------------------------------------------- */
/* Footer                                                                 */
/* ---------------------------------------------------------------------- */

.footer-rule {
	margin-top: 20px;
}

.friend-links {
	padding: 14px 0;
}

.friend-links-list {
	display: flex;
	flex-wrap: wrap;
	gap: 4px 0;
	font-family: var(--sans);
	font-size: 13px;
}

.friend-links-list li {
	padding: 0 12px;
	border-right: var(--rule-thin) solid var(--gray-200);
	color: var(--gray-700);
}

.friend-links-list li:last-child {
	border-right: none;
}

.friend-links-list a {
	color: var(--gray-700);
}

.site-footer {
	text-align: center;
	padding: 16px 0 28px;
	font-family: var(--sans);
	font-size: 12px;
	color: var(--gray-500);
	letter-spacing: 0.02em;
}

.footer-copyright a {
	color: var(--gray-500);
}

/* ---------------------------------------------------------------------- */
/* Responsive breakpoints                                                 */
/* ---------------------------------------------------------------------- */

@media (max-width: 900px) {
	.layout-2col {
		grid-template-columns: 1fr;
	}

	.catelog-columns {
		column-count: 2;
	}

	.article-body {
		column-count: 1;
	}
}

@media (max-width: 768px) {
	.wrap {
		padding: 0 14px;
	}

	.masthead-top {
		font-size: 10px;
	}

	.masthead-logo img {
		max-width: 180px;
	}

	.masthead-nav {
		font-size: 13px;
		justify-content: flex-start;
		overflow-x: auto;
		flex-wrap: nowrap;
	}

	.masthead-nav a {
		padding: 4px 10px;
	}

	.catelog-columns {
		column-count: 1;
	}

	.article-title {
		font-size: 24px;
	}

	.article-body {
		column-count: 1;
		font-size: 16px;
	}

	.list-title {
		font-size: 22px;
	}

	.prev-next {
		grid-template-columns: 1fr;
	}

	.next-article {
		text-align: left;
	}

	.friend-links-list {
		flex-direction: column;
	}

	.friend-links-list li {
		border-right: none;
		border-bottom: var(--rule-thin) dotted var(--gray-200);
		padding: 6px 0;
	}
}

@media (max-width: 480px) {
	body {
		font-size: 15px;
	}

	.article-title {
		font-size: 21px;
	}

	.summary {
		font-size: 15px;
	}
}

/* ---------------------------------------------------------------------- */
/* Print stylesheet — this theme is designed to look like an actual       */
/* printed broadsheet, so printing should already look great.             */
/* ---------------------------------------------------------------------- */

@media print {
	body {
		background: #fff;
		font-size: 11pt;
		line-height: 1.5;
	}

	.wrap {
		max-width: 100%;
		border: none;
		padding: 0;
	}

	.masthead-top,
	.masthead-tools,
	.pagination,
	.sidebar,
	.friend-links,
	.site-footer,
	.prev-next,
	.catelog-more,
	.edition-strip {
		display: none;
	}

	.masthead-nav {
		display: none;
	}

	.layout-2col {
		display: block;
	}

	.catelog-columns {
		column-count: 3;
	}

	.article-body {
		column-count: 2;
		column-gap: 24px;
		font-size: 11pt;
	}

	a {
		color: var(--ink);
		text-decoration: none;
	}

	a[href]::after {
		content: "";
	}

	.rule-thick {
		border-top-width: 3px;
	}

	h1, h2, h3 {
		break-after: avoid;
	}

	.article-body img {
		max-width: 100%;
		break-inside: avoid;
	}
}