/*
Theme Name: CSI Research
Theme URI: https://research.aicsi.cn
Author: CSI内容结构指数
Author URI: https://aicsi.cn
Description: A code-owned editorial research theme for CSI Research.
Requires at least: 6.7
Tested up to: 7.1
Requires PHP: 7.4
Version: 1.0.0
License: GNU General Public License v2 or later
License URI: https://www.gnu.org/licenses/gpl-2.0.html
Text Domain: csi-research
Tags: blog, news, one-column, two-columns, custom-colors, featured-images, wide-blocks
*/

:root {
	--csi-ink: #111318;
	--csi-ink-soft: #343840;
	--csi-paper: #ffffff;
	--csi-soft: #f2f4f7;
	--csi-line: #d8dce3;
	--csi-muted: #686e78;
	--csi-blue: #1557ff;
	--csi-blue-dark: #0d3eb8;
	--csi-yellow: #e9ff57;
	--csi-sans: Inter, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
	--csi-serif: "Source Han Serif SC", "Noto Serif CJK SC", "Songti SC", SimSun, serif;
	--csi-shell: 1240px;
	--csi-reading: 760px;
}

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

html {
	scroll-behavior: smooth;
}

body {
	margin: 0;
	background: var(--csi-paper);
	color: var(--csi-ink);
	font-family: var(--csi-sans);
	font-size: 16px;
	font-weight: 400;
	line-height: 1.6;
	letter-spacing: 0;
	-webkit-font-smoothing: antialiased;
}

::selection {
	background: var(--csi-yellow);
	color: var(--csi-ink);
}

a {
	color: inherit;
	text-decoration-thickness: 1px;
	text-underline-offset: 0.18em;
}

img,
svg,
video,
iframe {
	max-width: 100%;
}

img {
	height: auto;
}

button,
input {
	font: inherit;
	letter-spacing: 0;
}

h1,
h2,
h3,
h4,
h5,
h6,
p,
blockquote,
figure {
	text-wrap: pretty;
}

.site-shell {
	width: calc(100% - 64px);
	max-width: var(--csi-shell);
	margin-inline: auto;
}

.screen-reader-text {
	position: absolute;
	width: 1px;
	height: 1px;
	padding: 0;
	margin: -1px;
	overflow: hidden;
	clip: rect(0, 0, 0, 0);
	white-space: nowrap;
	border: 0;
}

.screen-reader-text:focus,
.skip-link:focus {
	position: fixed;
	top: 12px;
	left: 12px;
	z-index: 10000;
	width: auto;
	height: auto;
	padding: 10px 14px;
	clip: auto;
	background: var(--csi-yellow);
	color: var(--csi-ink);
	font-weight: 700;
	white-space: normal;
}

.skip-link {
	position: absolute;
	left: -9999px;
}

:focus-visible {
	outline: 3px solid var(--csi-blue);
	outline-offset: 4px;
}

.site-header {
	position: relative;
	z-index: 20;
	border-bottom: 1px solid var(--csi-line);
	background: var(--csi-paper);
}

.site-header__inner {
	display: flex;
	min-height: 76px;
	align-items: center;
	justify-content: space-between;
	gap: 32px;
}

.site-brand {
	display: inline-flex;
	min-width: 0;
	align-items: center;
	gap: 12px;
	color: var(--csi-ink);
	text-decoration: none;
}

.site-brand__mark {
	flex: 0 0 40px;
	width: 40px;
	height: 40px;
	image-rendering: auto;
}

.site-brand__name {
	font-size: 18px;
	font-weight: 800;
	line-height: 1;
}

.site-brand__descriptor {
	padding-left: 12px;
	border-left: 1px solid var(--csi-line);
	color: var(--csi-muted);
	font-size: 13px;
}

.site-nav {
	display: flex;
	align-items: center;
	gap: 26px;
	font-size: 14px;
	font-weight: 650;
	white-space: nowrap;
}

.site-nav a {
	position: relative;
	padding: 26px 0 24px;
	text-decoration: none;
}

.site-nav a::after {
	position: absolute;
	right: 0;
	bottom: -1px;
	left: 0;
	height: 3px;
	background: var(--csi-blue);
	content: "";
	transform: scaleX(0);
	transform-origin: left;
	transition: transform 160ms ease;
}

.site-nav a:hover::after,
.site-nav a[aria-current="page"]::after {
	transform: scaleX(1);
}

.eyebrow {
	display: flex;
	margin: 0 0 18px;
	align-items: center;
	gap: 10px;
	color: var(--csi-blue);
	font-size: 12px;
	font-weight: 800;
	line-height: 1.25;
	text-transform: uppercase;
	letter-spacing: 0;
}

.eyebrow::before {
	display: inline-block;
	width: 18px;
	height: 3px;
	background: currentColor;
	content: "";
}

.eyebrow--light {
	color: var(--csi-yellow);
}

.home-masthead {
	overflow: hidden;
	background: var(--csi-ink);
	color: var(--csi-paper);
}

.home-masthead__grid {
	display: grid;
	min-height: 400px;
	padding-block: 54px;
	grid-template-columns: minmax(0, 1.25fr) minmax(340px, 0.75fr);
	align-items: center;
	gap: 72px;
}

.home-masthead__title {
	max-width: 760px;
	margin: 0;
	font-size: 72px;
	font-weight: 850;
	line-height: 0.98;
	letter-spacing: 0;
}

.home-masthead__title span {
	display: block;
	color: var(--csi-yellow);
}

.home-masthead__description {
	max-width: 700px;
	margin: 26px 0 0;
	color: #cdd1d8;
	font-size: 20px;
	line-height: 1.7;
}

.home-masthead__facts {
	display: flex;
	margin: 34px 0 0;
	gap: 0;
}

.home-fact {
	display: grid;
	min-width: 126px;
	padding: 0 24px;
	border-left: 1px solid #454953;
	gap: 2px;
}

.home-fact:first-child {
	padding-left: 0;
	border-left: 0;
}

.home-fact strong {
	font-size: 20px;
	font-weight: 780;
}

.home-fact small {
	color: #9299a5;
	font-size: 12px;
}

.signal-visual {
	position: relative;
	width: 100%;
	aspect-ratio: 4 / 3;
	overflow: hidden;
	border: 1px solid #4b505a;
	background: #171a20;
}

.signal-grid {
	position: absolute;
	inset: 0;
	display: grid;
	grid-template-columns: repeat(6, 1fr);
	grid-template-rows: repeat(4, 1fr);
}

.signal-grid span {
	border-right: 1px solid #30343d;
	border-bottom: 1px solid #30343d;
}

.signal-visual__mark {
	position: absolute;
	top: 50%;
	left: 50%;
	z-index: 2;
	width: 72px;
	height: 72px;
	padding: 12px;
	border: 1px solid #6e7480;
	background: var(--csi-ink);
	transform: translate(-50%, -50%);
}

.signal-visual__axis,
.signal-visual__label,
.signal-visual__code {
	position: absolute;
	z-index: 2;
	margin: 0;
	font-size: 11px;
	font-weight: 750;
	line-height: 1.35;
}

.signal-visual__axis {
	top: 16px;
	left: 16px;
	color: var(--csi-yellow);
}

.signal-visual__label {
	right: 16px;
	bottom: 16px;
	max-width: 120px;
	color: #aeb4be;
	text-align: right;
}

.signal-visual__code {
	bottom: 16px;
	left: 16px;
	color: var(--csi-paper);
}

.signal-visual__bar {
	position: absolute;
	top: 0;
	right: 24%;
	bottom: 0;
	width: 12px;
	background: var(--csi-blue);
}

.research-index {
	padding: 70px 0 96px;
}

.section-heading {
	display: flex;
	margin-bottom: 30px;
	align-items: flex-end;
	justify-content: space-between;
	gap: 28px;
}

.section-heading__title {
	margin: 0;
	font-size: 38px;
	font-weight: 820;
	line-height: 1.15;
	letter-spacing: 0;
}

.section-heading__meta {
	margin: 0 0 4px;
	color: var(--csi-muted);
	font-size: 13px;
}

.research-index__grid {
	display: grid;
	grid-template-columns: minmax(0, 1fr) 290px;
	align-items: start;
	gap: 64px;
}

.featured-story {
	display: grid;
	padding: 28px 0 38px;
	border-top: 4px solid var(--csi-ink);
	border-bottom: 1px solid var(--csi-line);
	grid-template-columns: 64px minmax(0, 1.35fr) minmax(220px, 0.65fr);
	gap: 28px;
}

.story-number {
	color: var(--csi-blue);
	font-size: 13px;
	font-variant-numeric: tabular-nums;
	font-weight: 800;
}

.story-kicker {
	display: flex;
	margin-bottom: 13px;
	align-items: center;
	gap: 8px;
	color: var(--csi-blue);
	font-size: 12px;
	font-weight: 760;
}

.story-kicker a {
	text-decoration: none;
}

.story-kicker__rule {
	width: 22px;
	height: 1px;
	background: currentColor;
}

.featured-story__title {
	max-width: 680px;
	margin: 0;
	font-size: 40px;
	font-weight: 780;
	line-height: 1.28;
	letter-spacing: 0;
	overflow-wrap: anywhere;
}

.featured-story__title a {
	text-decoration: none;
}

.featured-story__title a:hover {
	color: var(--csi-blue);
}

.featured-story__side {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	justify-content: space-between;
	gap: 24px;
}

.featured-story__excerpt {
	margin: 0;
	color: var(--csi-ink-soft);
	font-size: 15px;
	line-height: 1.8;
}

.story-meta {
	display: flex;
	flex-wrap: wrap;
	align-items: center;
	gap: 8px 14px;
	color: var(--csi-muted);
	font-size: 12px;
	font-variant-numeric: tabular-nums;
}

.story-meta span + span::before {
	margin-right: 14px;
	color: var(--csi-line);
	content: "/";
}

.story-arrow {
	display: inline-grid;
	width: 46px;
	height: 46px;
	border: 1px solid var(--csi-ink);
	place-items: center;
	font-size: 22px;
	font-weight: 500;
	text-decoration: none;
	transition: background 160ms ease, color 160ms ease;
}

.story-arrow:hover {
	background: var(--csi-ink);
	color: var(--csi-yellow);
}

.story-list {
	margin: 0;
	padding: 0;
	list-style: none;
}

.story-row {
	display: grid;
	padding: 24px 0 26px;
	border-bottom: 1px solid var(--csi-line);
	grid-template-columns: 64px minmax(0, 1fr) 142px;
	gap: 28px;
	transition: background 160ms ease;
}

.story-row:hover {
	background: var(--csi-soft);
}

.story-row__body {
	min-width: 0;
}

.story-row__title {
	margin: 0;
	font-size: 24px;
	font-weight: 730;
	line-height: 1.42;
	letter-spacing: 0;
	overflow-wrap: anywhere;
}

.story-row__title a {
	text-decoration: none;
}

.story-row__title a:hover {
	color: var(--csi-blue);
}

.story-row__excerpt {
	max-width: 700px;
	margin: 10px 0 0;
	color: var(--csi-muted);
	font-size: 14px;
	line-height: 1.75;
}

.story-row__meta {
	display: flex;
	flex-direction: column;
	align-items: flex-end;
	gap: 8px;
	color: var(--csi-muted);
	font-size: 12px;
	font-variant-numeric: tabular-nums;
	text-align: right;
}

.story-row__meta a {
	color: var(--csi-blue);
	font-weight: 700;
	text-decoration: none;
}

.research-sidebar {
	position: sticky;
	top: 24px;
	border-top: 4px solid var(--csi-blue);
}

.research-sidebar__header {
	display: flex;
	padding: 21px 0 16px;
	border-bottom: 1px solid var(--csi-line);
	align-items: center;
	justify-content: space-between;
	gap: 18px;
}

.research-sidebar__title {
	margin: 0;
	font-size: 18px;
	font-weight: 800;
}

.research-sidebar__count {
	color: var(--csi-muted);
	font-size: 12px;
}

.category-index {
	margin: 0;
	padding: 0;
	list-style: none;
}

.category-index li {
	border-bottom: 1px solid var(--csi-line);
}

.category-index a {
	display: grid;
	padding: 14px 0;
	grid-template-columns: 1fr auto;
	align-items: baseline;
	gap: 16px;
	font-size: 14px;
	font-weight: 650;
	text-decoration: none;
}

.category-index a:hover {
	color: var(--csi-blue);
}

.category-index__number {
	color: var(--csi-muted);
	font-size: 11px;
	font-variant-numeric: tabular-nums;
	font-weight: 500;
}

.research-sidebar__link {
	display: flex;
	margin-top: 22px;
	padding: 14px 16px;
	background: var(--csi-blue);
	color: var(--csi-paper);
	align-items: center;
	justify-content: space-between;
	gap: 18px;
	font-size: 13px;
	font-weight: 750;
	text-decoration: none;
}

.research-sidebar__link:hover {
	background: var(--csi-blue-dark);
}

.navigation.pagination {
	margin-top: 46px;
}

.nav-links {
	display: flex;
	flex-wrap: wrap;
	gap: 8px;
}

.page-numbers {
	display: inline-grid;
	min-width: 42px;
	height: 42px;
	padding: 0 12px;
	border: 1px solid var(--csi-line);
	background: var(--csi-paper);
	place-items: center;
	font-size: 13px;
	font-weight: 700;
	text-decoration: none;
}

.page-numbers.current,
.page-numbers:hover {
	border-color: var(--csi-ink);
	background: var(--csi-ink);
	color: var(--csi-paper);
}

.archive-hero,
.page-hero,
.article-hero {
	background: var(--csi-soft);
}

.archive-hero__inner,
.page-hero__inner {
	display: grid;
	min-height: 300px;
	padding-block: 54px;
	grid-template-columns: minmax(0, 1fr) 220px;
	align-items: end;
	gap: 64px;
}

.archive-hero__title,
.page-hero__title {
	max-width: 900px;
	margin: 0;
	font-size: 54px;
	font-weight: 820;
	line-height: 1.12;
	letter-spacing: 0;
	overflow-wrap: anywhere;
}

.archive-hero__description,
.page-hero__description {
	max-width: 740px;
	margin: 20px 0 0;
	color: var(--csi-muted);
	font-size: 17px;
	line-height: 1.75;
}

.archive-hero__number {
	margin: 0;
	color: var(--csi-blue);
	font-size: 76px;
	font-weight: 850;
	line-height: 0.9;
	text-align: right;
}

.archive-hero__number small {
	display: block;
	margin-top: 14px;
	color: var(--csi-muted);
	font-size: 12px;
	font-weight: 650;
}

.archive-content {
	padding: 68px 0 96px;
}

.article-hero__inner {
	display: grid;
	min-height: 410px;
	padding-block: 62px;
	grid-template-columns: minmax(0, 1fr) 190px;
	align-items: end;
	gap: 72px;
}

.article-hero__title {
	max-width: 980px;
	margin: 0;
	font-size: 54px;
	font-weight: 820;
	line-height: 1.18;
	letter-spacing: 0;
	overflow-wrap: anywhere;
}

.article-hero__deck {
	max-width: 820px;
	margin: 24px 0 0;
	color: var(--csi-ink-soft);
	font-size: 18px;
	line-height: 1.75;
}

.article-hero__stamp {
	align-self: start;
	padding-top: 6px;
	border-top: 4px solid var(--csi-blue);
}

.article-hero__stamp p {
	margin: 14px 0 0;
	color: var(--csi-muted);
	font-size: 12px;
	line-height: 1.65;
}

.article-hero__stamp strong {
	display: block;
	color: var(--csi-ink);
	font-size: 20px;
	font-weight: 780;
}

.article-featured-image {
	width: 100%;
	max-height: 680px;
	object-fit: cover;
}

.article-layout {
	display: grid;
	padding-block: 70px 88px;
	grid-template-columns: 190px minmax(0, var(--csi-reading));
	justify-content: center;
	align-items: start;
	gap: 72px;
}

.article-rail {
	position: sticky;
	top: 28px;
	border-top: 4px solid var(--csi-ink);
}

.article-rail__item {
	padding: 17px 0;
	border-bottom: 1px solid var(--csi-line);
}

.article-rail__label {
	display: block;
	margin-bottom: 5px;
	color: var(--csi-muted);
	font-size: 11px;
	font-weight: 700;
}

.article-rail__value {
	display: block;
	font-size: 13px;
	font-weight: 650;
	line-height: 1.55;
	overflow-wrap: anywhere;
}

.article-rail__value a {
	color: var(--csi-blue);
	text-decoration: none;
}

.article-content {
	min-width: 0;
	font-family: var(--csi-serif);
	font-size: 19px;
	line-height: 1.95;
}

.article-content > * {
	max-width: var(--csi-reading);
	margin-right: auto;
	margin-left: auto;
}

.article-content > *:first-child {
	margin-top: 0;
}

.article-content p {
	margin-top: 0;
	margin-bottom: 1.45em;
}

.article-content h2 {
	margin-top: 3.1em;
	margin-bottom: 1em;
	padding-top: 0.8em;
	border-top: 3px solid var(--csi-ink);
	font-family: var(--csi-sans);
	font-size: 31px;
	font-weight: 800;
	line-height: 1.38;
	letter-spacing: 0;
}

.article-content h3 {
	margin-top: 2.4em;
	margin-bottom: 0.9em;
	padding-left: 15px;
	border-left: 4px solid var(--csi-blue);
	font-family: var(--csi-sans);
	font-size: 23px;
	font-weight: 780;
	line-height: 1.45;
	letter-spacing: 0;
}

.article-content h4,
.article-content h5,
.article-content h6 {
	margin-top: 2em;
	font-family: var(--csi-sans);
	line-height: 1.45;
	letter-spacing: 0;
}

.article-content a {
	color: var(--csi-blue-dark);
	font-weight: 650;
}

.article-content blockquote {
	margin-top: 2.1em;
	margin-bottom: 2.1em;
	padding: 22px 26px;
	border-left: 6px solid var(--csi-yellow);
	background: var(--csi-soft);
	font-family: var(--csi-sans);
	font-size: 20px;
	font-weight: 620;
	line-height: 1.75;
}

.article-content blockquote > :last-child {
	margin-bottom: 0;
}

.article-content hr {
	margin-top: 3.5em;
	margin-bottom: 3.5em;
	border: 0;
	border-top: 1px solid var(--csi-line);
}

.article-content hr + h2 {
	margin-top: 0;
	padding-top: 0;
	border-top: 0;
}

.article-content ul,
.article-content ol {
	padding-left: 1.35em;
}

.article-content li {
	margin-bottom: 0.65em;
}

.article-content pre {
	max-width: 100%;
	padding: 22px 24px;
	overflow-x: auto;
	background: var(--csi-ink);
	color: #f4f5f7;
	font-family: Consolas, Monaco, monospace;
	font-size: 14px;
	line-height: 1.65;
	white-space: pre;
}

.article-content code {
	overflow-wrap: anywhere;
	font-family: Consolas, Monaco, monospace;
	font-size: 0.88em;
}

.article-content :not(pre) > code {
	padding: 0.12em 0.32em;
	background: var(--csi-soft);
}

.article-content table {
	display: block;
	width: 100%;
	max-width: 100%;
	overflow-x: auto;
	border-collapse: collapse;
	font-family: var(--csi-sans);
	font-size: 14px;
}

.article-content th,
.article-content td {
	min-width: 130px;
	padding: 12px 14px;
	border: 1px solid var(--csi-line);
	text-align: left;
	vertical-align: top;
}

.article-content th {
	background: var(--csi-soft);
}

.article-content figure {
	margin-top: 2.5em;
	margin-bottom: 2.5em;
}

.article-content figcaption {
	margin-top: 10px;
	color: var(--csi-muted);
	font-family: var(--csi-sans);
	font-size: 12px;
	text-align: left;
}

.article-content .alignwide,
.article-content .alignfull {
	max-width: none;
	margin-left: 50%;
	transform: translateX(calc(-50% - 131px));
}

.article-content .alignwide {
	width: min(980px, calc(100vw - 64px));
}

.article-content .alignfull {
	width: min(var(--csi-shell), calc(100vw - 64px));
}

.article-footer {
	padding: 0 0 96px;
}

.article-tags {
	display: flex;
	max-width: 1022px;
	margin: 0 auto 52px;
	padding-top: 20px;
	border-top: 1px solid var(--csi-line);
	flex-wrap: wrap;
	gap: 8px;
}

.article-tags a {
	display: inline-block;
	padding: 6px 10px;
	border: 1px solid var(--csi-line);
	font-size: 12px;
	font-weight: 650;
	text-decoration: none;
}

.article-tags a:hover {
	border-color: var(--csi-blue);
	color: var(--csi-blue);
}

.post-navigation {
	max-width: 1022px;
	margin-inline: auto;
	border-top: 4px solid var(--csi-ink);
}

.post-navigation__grid {
	display: grid;
	grid-template-columns: repeat(2, minmax(0, 1fr));
}

.post-navigation a {
	display: block;
	min-height: 150px;
	padding: 24px 26px;
	text-decoration: none;
}

.post-navigation a + a {
	border-left: 1px solid var(--csi-line);
}

.post-navigation a:hover {
	background: var(--csi-soft);
}

.post-navigation__label {
	display: block;
	margin-bottom: 12px;
	color: var(--csi-blue);
	font-size: 11px;
	font-weight: 780;
}

.post-navigation__title {
	display: block;
	font-size: 18px;
	font-weight: 740;
	line-height: 1.5;
	overflow-wrap: anywhere;
}

.page-content {
	width: calc(100% - 48px);
	max-width: var(--csi-reading);
	margin-inline: auto;
	padding-block: 64px 96px;
	font-family: var(--csi-serif);
	font-size: 18px;
	line-height: 1.9;
}

.page-content h2,
.page-content h3,
.page-content h4 {
	font-family: var(--csi-sans);
	letter-spacing: 0;
}

.page-content a {
	color: var(--csi-blue-dark);
}

.page-content--articles {
	width: calc(100% - 64px);
	max-width: var(--csi-shell);
	font-family: var(--csi-sans);
}

.page-content--articles > .wp-block-columns {
	align-items: flex-start !important;
	gap: 64px;
}

.page-content--articles .wp-block-categories {
	margin: 0;
	padding: 0;
	border-top: 4px solid var(--csi-blue);
	list-style: none;
}

.page-content--articles .wp-block-categories li {
	padding: 13px 0;
	border-bottom: 1px solid var(--csi-line);
	color: var(--csi-muted);
	font-size: 12px;
	font-variant-numeric: tabular-nums;
}

.page-content--articles .wp-block-categories a {
	display: inline;
	margin-right: 8px;
	color: var(--csi-ink);
	font-size: 14px;
	font-weight: 700;
	text-decoration: none;
}

.page-content--articles .wp-block-categories a:hover {
	color: var(--csi-blue);
}

.page-content--articles .wp-block-post-template {
	margin: 0;
	padding: 0;
	border-top: 4px solid var(--csi-ink);
	list-style: none;
}

.page-content--articles .wp-block-post-template > li {
	margin: 0;
	padding: 24px 0 26px;
	border-bottom: 1px solid var(--csi-line);
}

.page-content--articles .wp-block-post-title {
	margin: 0;
	font-size: 24px;
	font-weight: 740;
	line-height: 1.45;
	overflow-wrap: anywhere;
}

.page-content--articles .wp-block-post-title a {
	color: var(--csi-ink);
	text-decoration: none;
}

.page-content--articles .wp-block-post-title a:hover {
	color: var(--csi-blue);
}

.page-content--articles .wp-block-post-excerpt {
	margin-top: 10px;
	color: var(--csi-muted);
	font-size: 14px;
	line-height: 1.75;
}

.page-content--articles .wp-block-post-excerpt p {
	margin: 0;
}

.page-content--articles .wp-block-post-excerpt__more-text {
	margin-top: 10px !important;
}

.page-content--articles .wp-block-post-excerpt__more-link {
	color: var(--csi-blue);
	font-size: 12px;
	font-weight: 750;
	text-decoration: none;
}

.page-content--articles .wp-block-separator {
	display: none;
}

.page-content--articles .wp-block-post-date {
	margin-top: 12px;
	color: var(--csi-muted);
	font-size: 12px;
	font-variant-numeric: tabular-nums;
}

.empty-state {
	padding: 72px 0 110px;
}

.empty-state__inner {
	display: grid;
	min-height: 320px;
	padding: 44px 0;
	border-top: 4px solid var(--csi-ink);
	border-bottom: 1px solid var(--csi-line);
	grid-template-columns: minmax(0, 1fr) minmax(280px, 0.65fr);
	gap: 64px;
}

.empty-state__title {
	margin: 0;
	font-size: 44px;
	font-weight: 820;
	line-height: 1.2;
	letter-spacing: 0;
}

.empty-state__copy {
	margin: 18px 0 0;
	color: var(--csi-muted);
	font-size: 16px;
}

.search-form {
	display: grid;
	grid-template-columns: minmax(0, 1fr) auto;
}

.search-form__field {
	min-width: 0;
	height: 48px;
	padding: 0 14px;
	border: 1px solid var(--csi-line);
	border-right: 0;
	border-radius: 0;
	background: var(--csi-paper);
	color: var(--csi-ink);
}

.search-form__submit {
	height: 48px;
	padding: 0 18px;
	border: 1px solid var(--csi-blue);
	border-radius: 0;
	background: var(--csi-blue);
	color: var(--csi-paper);
	cursor: pointer;
	font-size: 13px;
	font-weight: 750;
}

.search-form__submit:hover {
	border-color: var(--csi-blue-dark);
	background: var(--csi-blue-dark);
}

.site-footer {
	background: var(--csi-ink);
	color: var(--csi-paper);
}

.site-footer__grid {
	display: grid;
	padding: 62px 0 52px;
	grid-template-columns: minmax(0, 1fr) 170px minmax(280px, 0.55fr);
	gap: 68px;
}

.site-footer__brand {
	margin: 0;
	font-size: 34px;
	font-weight: 820;
	line-height: 1.1;
}

.site-footer__statement {
	max-width: 520px;
	margin: 16px 0 0;
	color: #aeb4be;
	font-size: 14px;
	line-height: 1.75;
}

.site-footer__label {
	margin: 0 0 16px;
	color: #7f8794;
	font-size: 11px;
	font-weight: 750;
}

.site-footer__links {
	display: flex;
	flex-direction: column;
	align-items: flex-start;
	gap: 10px;
}

.site-footer__links .site-footer__label {
	margin-bottom: 6px;
}

.site-footer__links a {
	color: #dfe2e7;
	font-size: 13px;
	text-decoration: none;
}

.site-footer__links a:hover {
	color: var(--csi-yellow);
}

.site-footer__search .search-form__field {
	border-color: #4a4f59;
	background: #1a1d23;
	color: var(--csi-paper);
}

.site-footer__baseline {
	display: flex;
	padding: 20px 0 24px;
	border-top: 1px solid #353942;
	align-items: center;
	justify-content: space-between;
	gap: 24px;
	color: #858c97;
	font-size: 11px;
}

.site-footer__baseline p {
	margin: 0;
}

@media (max-width: 1060px) {
	.home-masthead__grid {
		gap: 44px;
	}

	.home-masthead__title {
		font-size: 60px;
	}

	.research-index__grid {
		grid-template-columns: minmax(0, 1fr) 250px;
		gap: 42px;
	}

	.featured-story {
		grid-template-columns: 52px minmax(0, 1fr);
	}

	.featured-story__side {
		grid-column: 2;
	}

	.article-layout {
		grid-template-columns: 170px minmax(0, 700px);
		gap: 48px;
	}
}

@media (max-width: 950px) {
	.site-shell {
		width: calc(100% - 40px);
	}

	.site-brand__descriptor {
		display: none;
	}

	.home-masthead__grid {
		min-height: auto;
		padding-block: 46px;
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.home-masthead__title {
		font-size: 52px;
	}

	.signal-visual {
		max-height: 250px;
		aspect-ratio: 16 / 7;
	}

	.research-index__grid {
		grid-template-columns: 1fr;
	}

	.research-sidebar {
		position: static;
		order: 2;
	}

	.archive-hero__inner,
	.page-hero__inner,
	.article-hero__inner {
		grid-template-columns: 1fr;
		gap: 32px;
	}

	.archive-hero__number {
		text-align: left;
	}

	.article-hero__stamp {
		display: grid;
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: 14px;
	}

	.article-layout {
		grid-template-columns: 1fr;
		gap: 42px;
	}

	.article-content .alignwide,
	.article-content .alignfull {
		transform: translateX(-50%);
	}

	.article-rail {
		position: static;
		display: grid;
		grid-template-columns: repeat(3, minmax(0, 1fr));
	}

	.article-rail__item {
		padding-right: 16px;
	}

	.page-content--articles {
		width: calc(100% - 40px);
	}

	.page-content--articles > .wp-block-columns {
		flex-direction: column;
		gap: 42px;
	}

	.page-content--articles > .wp-block-columns > .wp-block-column {
		width: 100%;
		flex-basis: auto !important;
	}

	.site-footer__grid {
		grid-template-columns: minmax(0, 1fr) 160px;
	}

	.site-footer__search {
		grid-column: 1 / -1;
	}
}

@media (max-width: 600px) {
	body {
		font-size: 15px;
	}

	.site-shell {
		width: calc(100% - 32px);
	}

	.site-header__inner {
		min-height: 0;
		padding: 13px 0 11px;
		flex-wrap: wrap;
		gap: 8px 20px;
	}

	.site-brand__mark {
		flex-basis: 34px;
		width: 34px;
		height: 34px;
	}

	.site-brand__name {
		font-size: 17px;
	}

	.site-nav {
		width: 100%;
		justify-content: space-between;
		gap: 12px;
		font-size: 12px;
	}

	.site-nav a {
		display: flex;
		min-height: 44px;
		padding: 0;
		align-items: center;
	}

	.home-masthead__grid {
		padding-block: 36px 42px;
		gap: 30px;
	}

	.home-masthead__title {
		font-size: 44px;
		line-height: 1.02;
	}

	.home-masthead__description {
		margin-top: 20px;
		font-size: 17px;
	}

	.home-masthead__facts {
		margin-top: 26px;
	}

	.home-fact {
		min-width: 0;
		padding: 0 14px;
		flex: 1;
	}

	.home-fact strong {
		font-size: 16px;
	}

	.home-fact small {
		font-size: 11px;
	}

	.signal-visual {
		min-height: 112px;
		max-height: 112px;
		aspect-ratio: auto;
	}

	.signal-visual__mark {
		width: 48px;
		height: 48px;
		padding: 8px;
	}

	.signal-visual__label {
		display: none;
	}

	.research-index,
	.archive-content {
		padding: 50px 0 70px;
	}

	.section-heading {
		align-items: flex-start;
		flex-direction: column;
		gap: 8px;
	}

	.section-heading__title {
		font-size: 31px;
	}

	.featured-story {
		padding: 22px 0 30px;
		grid-template-columns: 36px minmax(0, 1fr);
		gap: 14px;
	}

	.featured-story__side {
		grid-column: 1 / -1;
		padding-left: 50px;
	}

	.featured-story__title {
		font-size: 29px;
	}

	.story-row {
		padding: 21px 0 23px;
		grid-template-columns: 36px minmax(0, 1fr);
		gap: 14px;
	}

	.story-row__title {
		font-size: 20px;
	}

	.story-row__excerpt {
		display: none;
	}

	.story-row__meta {
		grid-column: 2;
		align-items: flex-start;
		flex-direction: row;
		flex-wrap: wrap;
		text-align: left;
	}

	.archive-hero__inner,
	.page-hero__inner {
		min-height: 260px;
		padding-block: 40px;
	}

	.archive-hero__title,
	.page-hero__title {
		font-size: 38px;
	}

	.archive-hero__number {
		font-size: 54px;
	}

	.article-hero__inner {
		min-height: 340px;
		padding-block: 40px;
	}

	.article-hero__title {
		font-size: 38px;
	}

	.article-hero__deck {
		font-size: 16px;
	}

	.article-hero__stamp {
		grid-template-columns: repeat(3, minmax(0, 1fr));
		gap: 10px;
	}

	.article-hero__stamp strong {
		font-size: 17px;
	}

	.article-rail {
		display: none;
	}

	.article-hero__stamp p {
		margin-top: 8px;
	}

	.article-layout {
		padding-block: 42px 62px;
	}

	.article-content {
		font-size: 17px;
		line-height: 1.9;
	}

	.article-content h2 {
		font-size: 26px;
	}

	.article-content h3 {
		font-size: 21px;
	}

	.article-content blockquote {
		padding: 18px 18px;
		font-size: 17px;
	}

	.article-content .alignwide {
		width: calc(100vw - 32px);
	}

	.article-content .alignfull {
		width: calc(100vw - 32px);
	}

	.page-content--articles {
		width: calc(100% - 32px);
	}

	.post-navigation__grid {
		grid-template-columns: 1fr;
	}

	.post-navigation a + a {
		border-top: 1px solid var(--csi-line);
		border-left: 0;
	}

	.empty-state__inner {
		grid-template-columns: 1fr;
		gap: 36px;
	}

	.empty-state__title {
		font-size: 34px;
	}

	.site-footer__grid {
		padding: 48px 0 40px;
		grid-template-columns: 1fr;
		gap: 38px;
	}

	.site-footer__search {
		grid-column: auto;
	}

	.site-footer__baseline {
		align-items: flex-start;
		flex-direction: column;
		gap: 6px;
	}
}

@media (prefers-reduced-motion: reduce) {
	html {
		scroll-behavior: auto;
	}

	*,
	*::before,
	*::after {
		scroll-behavior: auto !important;
		transition-duration: 0.01ms !important;
	}
}

@media print {
	.site-header,
	.site-footer,
	.article-rail,
	.article-footer {
		display: none;
	}

	.article-hero,
	body {
		background: #fff;
		color: #000;
	}

	.article-layout {
		display: block;
		padding: 30px 0;
	}

	.article-content {
		max-width: none;
	}
}