/*
USChinaHealthcare.com flat HTML site stylesheet
Version: 1.0
Purpose: Evergreen reference site for U.S.-China healthcare systems, policy, regulation, strategy, and archive content.

Use:
<link rel="stylesheet" href="/assets/css/site.css">

Design principles:
- Static HTML friendly
- No framework dependency
- No WordPress or CMS selectors
- Accessible contrast
- Long-form reading comfort
- Strong support for tables, glossaries, archive pages, and bilingual content
*/

/* --------------------------------------------------------------------------
   1. Tokens
   -------------------------------------------------------------------------- */

:root {
  --font-sans: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Noto Sans", "Helvetica Neue", Arial, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-serif: Georgia, "Times New Roman", "Noto Serif SC", "Songti SC", "SimSun", serif;
  --font-mono: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace;

  --color-bg: #fbfaf7;
  --color-surface: #ffffff;
  --color-surface-alt: #f3f1ec;
  --color-surface-soft: #f8f6f1;

  --color-text: #161616;
  --color-text-muted: #555a61;
  --color-text-light: #747983;
  --color-heading: #101820;

  --color-border: #d9d5cc;
  --color-border-strong: #b9b2a7;

  --color-navy: #10243e;
  --color-navy-soft: #e7edf5;
  --color-red: #9f2d20;
  --color-red-soft: #f3e5e2;
  --color-gold: #9a742f;
  --color-gold-soft: #f4eddf;
  --color-green: #2e6049;
  --color-green-soft: #e5efe9;
  --color-blue: #245f8f;
  --color-blue-soft: #e2edf5;

  --shadow-subtle: 0 1px 2px rgba(16, 24, 32, 0.06), 0 8px 24px rgba(16, 24, 32, 0.04);
  --shadow-card: 0 12px 28px rgba(16, 24, 32, 0.08);

  --radius-sm: 4px;
  --radius-md: 8px;
  --radius-lg: 14px;

  --space-1: 0.25rem;
  --space-2: 0.5rem;
  --space-3: 0.75rem;
  --space-4: 1rem;
  --space-5: 1.25rem;
  --space-6: 1.5rem;
  --space-8: 2rem;
  --space-10: 2.5rem;
  --space-12: 3rem;
  --space-16: 4rem;
  --space-20: 5rem;

  --container: 1180px;
  --container-narrow: 820px;
  --container-wide: 1360px;

  --leading-tight: 1.18;
  --leading-normal: 1.55;
  --leading-relaxed: 1.72;

  --transition: 160ms ease;
}

/* --------------------------------------------------------------------------
   2. Reset and base
   -------------------------------------------------------------------------- */

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

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

body {
  margin: 0;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-sans);
  font-size: 17px;
  line-height: var(--leading-normal);
  text-rendering: optimizeLegibility;
}

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

img {
  display: block;
}

button,
input,
select,
textarea {
  font: inherit;
}

a {
  color: var(--color-blue);
  text-decoration-thickness: 0.08em;
  text-underline-offset: 0.18em;
}

a:hover {
  color: var(--color-red);
}

a:focus-visible,
button:focus-visible,
input:focus-visible,
select:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid rgba(36, 95, 143, 0.35);
  outline-offset: 3px;
  border-radius: var(--radius-sm);
}

p {
  margin: 0 0 var(--space-5);
}

ul,
ol {
  margin: 0 0 var(--space-6);
  padding-left: 1.45rem;
}

li + li {
  margin-top: var(--space-2);
}

blockquote {
  margin: var(--space-8) 0;
  padding: var(--space-4) var(--space-6);
  border-left: 4px solid var(--color-red);
  background: var(--color-surface-alt);
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: 1.08rem;
  line-height: var(--leading-relaxed);
}

hr {
  border: 0;
  border-top: 1px solid var(--color-border);
  margin: var(--space-10) 0;
}

code,
kbd,
samp {
  font-family: var(--font-mono);
  font-size: 0.92em;
}

code {
  background: var(--color-surface-alt);
  padding: 0.1em 0.28em;
  border-radius: var(--radius-sm);
}

pre {
  overflow-x: auto;
  background: #111827;
  color: #f7f7f7;
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-8) 0;
}

pre code {
  background: transparent;
  padding: 0;
  color: inherit;
}

::selection {
  background: rgba(159, 45, 32, 0.18);
}

/* --------------------------------------------------------------------------
   3. Typography
   -------------------------------------------------------------------------- */

h1,
h2,
h3,
h4,
h5,
h6 {
  color: var(--color-heading);
  line-height: var(--leading-tight);
  margin: 0 0 var(--space-4);
  font-weight: 720;
  letter-spacing: -0.015em;
}

h1 {
  font-size: clamp(2.2rem, 4vw, 4.2rem);
  max-width: 980px;
}

h2 {
  font-size: clamp(1.75rem, 2.5vw, 2.65rem);
  margin-top: var(--space-12);
}

h3 {
  font-size: clamp(1.28rem, 1.8vw, 1.72rem);
  margin-top: var(--space-8);
}

h4 {
  font-size: 1.12rem;
  margin-top: var(--space-6);
}

.lede,
.page-lede {
  color: var(--color-text-muted);
  font-size: clamp(1.08rem, 1.5vw, 1.28rem);
  line-height: var(--leading-relaxed);
  max-width: 880px;
}

.kicker {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  margin-bottom: var(--space-4);
  color: var(--color-red);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.09em;
  text-transform: uppercase;
}

.kicker::before {
  content: "";
  width: 1.75rem;
  height: 2px;
  background: currentColor;
}

.text-muted {
  color: var(--color-text-muted);
}

.text-light {
  color: var(--color-text-light);
}

.text-small {
  font-size: 0.92rem;
}

.text-serif {
  font-family: var(--font-serif);
}

.measure {
  max-width: var(--container-narrow);
}

.measure-wide {
  max-width: 980px;
}

/* --------------------------------------------------------------------------
   4. Layout utilities
   -------------------------------------------------------------------------- */

.container,
.container-narrow,
.container-wide {
  width: min(100% - 2rem, var(--container));
  margin-inline: auto;
}

.container-narrow {
  width: min(100% - 2rem, var(--container-narrow));
}

.container-wide {
  width: min(100% - 2rem, var(--container-wide));
}

.section {
  padding: var(--space-16) 0;
}

.section-sm {
  padding: var(--space-10) 0;
}

.section-lg {
  padding: var(--space-20) 0;
}

.grid {
  display: grid;
  gap: var(--space-6);
}

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

.grid-3 {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.grid-4 {
  grid-template-columns: repeat(4, minmax(0, 1fr));
}

.split {
  display: grid;
  grid-template-columns: minmax(0, 1.25fr) minmax(280px, 0.75fr);
  gap: var(--space-10);
  align-items: start;
}

.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 290px;
  gap: var(--space-12);
  align-items: start;
}

.stack > * + * {
  margin-top: var(--space-5);
}

.cluster > * + * {
  margin-top: var(--space-3);
}

.flow > * + * {
  margin-top: var(--space-6);
}

.surface {
  background: var(--color-surface);
}

.surface-alt {
  background: var(--color-surface-alt);
}

.rounded {
  border-radius: var(--radius-lg);
}

.border-top {
  border-top: 1px solid var(--color-border);
}

.border-bottom {
  border-bottom: 1px solid var(--color-border);
}

/* --------------------------------------------------------------------------
   5. Accessibility
   -------------------------------------------------------------------------- */

.skip-link {
  position: absolute;
  top: 0;
  left: 0;
  z-index: 1000;
  transform: translateY(-120%);
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-3) var(--space-4);
  border-radius: 0 0 var(--radius-md) 0;
}

.skip-link:focus {
  transform: translateY(0);
}

.visually-hidden {
  position: absolute !important;
  width: 1px !important;
  height: 1px !important;
  padding: 0 !important;
  margin: -1px !important;
  overflow: hidden !important;
  white-space: nowrap !important;
  border: 0 !important;
  clip: rect(0 0 0 0) !important;
}

/* --------------------------------------------------------------------------
   6. Site header and navigation
   -------------------------------------------------------------------------- */

.site-header {
  background: rgba(251, 250, 247, 0.96);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(12px);
}

.header-inner {
  width: min(100% - 2rem, var(--container-wide));
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-6);
  min-height: 76px;
}

.site-brand {
  display: inline-flex;
  flex-direction: column;
  color: var(--color-heading);
  text-decoration: none;
  min-width: 210px;
}

.site-brand strong {
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.site-brand span {
  color: var(--color-text-muted);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  text-transform: uppercase;
}

.primary-nav {
  display: flex;
  align-items: center;
  gap: var(--space-1);
  flex-wrap: wrap;
  justify-content: flex-end;
}

.primary-nav a {
  color: var(--color-heading);
  text-decoration: none;
  font-size: 0.93rem;
  font-weight: 640;
  padding: var(--space-2) var(--space-3);
  border-radius: 999px;
}

.primary-nav a:hover,
.primary-nav a[aria-current="page"] {
  color: var(--color-red);
  background: var(--color-red-soft);
}

.utility-nav {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}

.language-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-heading);
  text-decoration: none;
  font-size: 0.9rem;
  background: var(--color-surface);
}

.language-link:hover {
  border-color: var(--color-red);
  background: var(--color-red-soft);
}

.mobile-nav-note {
  display: none;
  padding: var(--space-3) 0;
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   7. Hero sections
   -------------------------------------------------------------------------- */

.hero {
  position: relative;
  overflow: hidden;
  padding: var(--space-20) 0 var(--space-16);
  border-bottom: 1px solid var(--color-border);
  background:
    radial-gradient(circle at top left, rgba(36, 95, 143, 0.12), transparent 34rem),
    linear-gradient(135deg, var(--color-bg), var(--color-surface-soft));
}

.hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 360px;
  gap: var(--space-12);
  align-items: center;
}

.hero h1 {
  margin-bottom: var(--space-5);
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-3);
  margin-top: var(--space-8);
}

.hero-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-card);
  padding: var(--space-6);
}

.hero-card h2,
.hero-card h3 {
  font-size: 1.18rem;
  margin-top: 0;
}

.hero-stat {
  display: grid;
  gap: var(--space-1);
  padding: var(--space-4) 0;
  border-top: 1px solid var(--color-border);
}

.hero-stat:first-of-type {
  border-top: 0;
}

.hero-stat strong {
  color: var(--color-red);
  font-size: 1.6rem;
  line-height: 1;
}

.hero-stat span {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   8. Buttons and links
   -------------------------------------------------------------------------- */

.button,
.button-secondary,
.button-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  min-height: 44px;
  padding: 0 var(--space-5);
  border-radius: 999px;
  border: 1px solid transparent;
  font-weight: 700;
  text-decoration: none;
  transition: background var(--transition), color var(--transition), border-color var(--transition), transform var(--transition);
}

.button {
  background: var(--color-navy);
  color: #fff;
}

.button:hover {
  background: var(--color-red);
  color: #fff;
  transform: translateY(-1px);
}

.button-secondary {
  background: var(--color-surface);
  color: var(--color-heading);
  border-color: var(--color-border-strong);
}

.button-secondary:hover {
  border-color: var(--color-red);
  color: var(--color-red);
  background: var(--color-red-soft);
}

.button-ghost {
  color: var(--color-heading);
  border-color: transparent;
}

.button-ghost:hover {
  color: var(--color-red);
  background: var(--color-red-soft);
}

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

.link-list li {
  margin: 0;
}

.link-list a {
  display: flex;
  justify-content: space-between;
  gap: var(--space-4);
  padding: var(--space-3) 0;
  border-bottom: 1px solid var(--color-border);
  color: var(--color-heading);
  text-decoration: none;
}

.link-list a:hover {
  color: var(--color-red);
}

.link-list a::after {
  content: "›";
  color: var(--color-text-light);
}

/* --------------------------------------------------------------------------
   9. Cards and content modules
   -------------------------------------------------------------------------- */

.card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-subtle);
}

.card h2,
.card h3,
.card h4 {
  margin-top: 0;
}

.card p:last-child,
.card ul:last-child,
.card ol:last-child {
  margin-bottom: 0;
}

.card-link {
  display: block;
  color: inherit;
  text-decoration: none;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.card-link:hover {
  transform: translateY(-2px);
  border-color: var(--color-red);
  box-shadow: var(--shadow-card);
}

.topic-card {
  min-height: 100%;
}

.topic-card .eyebrow {
  color: var(--color-red);
  font-size: 0.78rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: var(--space-3);
}

.topic-card h3 {
  font-size: 1.22rem;
}

.topic-card p {
  color: var(--color-text-muted);
  font-size: 0.96rem;
}

.callout {
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-blue);
  background: var(--color-blue-soft);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  margin: var(--space-8) 0;
}

.callout.warning {
  border-left-color: var(--color-red);
  background: var(--color-red-soft);
}

.callout.note {
  border-left-color: var(--color-gold);
  background: var(--color-gold-soft);
}

.callout.success {
  border-left-color: var(--color-green);
  background: var(--color-green-soft);
}

.callout h2,
.callout h3,
.callout h4 {
  margin-top: 0;
  font-size: 1.1rem;
}

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

.feature-band {
  background: var(--color-navy);
  color: #fff;
  padding: var(--space-12) 0;
}

.feature-band h2,
.feature-band h3 {
  color: #fff;
}

.feature-band p {
  color: rgba(255, 255, 255, 0.78);
}

/* --------------------------------------------------------------------------
   10. Long-form article pages
   -------------------------------------------------------------------------- */

.page-header {
  padding: var(--space-16) 0 var(--space-10);
  border-bottom: 1px solid var(--color-border);
  background: linear-gradient(180deg, var(--color-surface-soft), var(--color-bg));
}

.page-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-6);
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.page-meta span {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.page-meta span + span::before {
  content: "•";
  color: var(--color-border-strong);
}

.article {
  padding: var(--space-12) 0 var(--space-16);
}

.article-main {
  min-width: 0;
}

.article-main > h2:first-child {
  margin-top: 0;
}

.article-main p,
.article-main li {
  line-height: var(--leading-relaxed);
}

.article-main table {
  margin: var(--space-8) 0;
}

.article-main .callout {
  margin: var(--space-8) 0;
}

.answer-box {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-top: 5px solid var(--color-red);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
  padding: var(--space-6);
  margin-bottom: var(--space-8);
}

.answer-box h2 {
  margin-top: 0;
  font-size: 1.35rem;
}

.answer-box p {
  font-size: 1.06rem;
  line-height: var(--leading-relaxed);
}

.update-note {
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.93rem;
}

/* --------------------------------------------------------------------------
   11. Table of contents and sidebars
   -------------------------------------------------------------------------- */

.toc {
  position: sticky;
  top: 98px;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  box-shadow: var(--shadow-subtle);
}

.toc h2,
.toc h3 {
  margin: 0 0 var(--space-3);
  font-size: 0.95rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.toc ol,
.toc ul {
  list-style: none;
  margin: 0;
  padding: 0;
}

.toc li {
  margin: 0;
}

.toc a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-text-muted);
  text-decoration: none;
  font-size: 0.93rem;
  line-height: 1.35;
}

.toc a:hover {
  color: var(--color-red);
}

.sidebar-card {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin-top: var(--space-5);
}

.sidebar-card h2,
.sidebar-card h3 {
  margin-top: 0;
  font-size: 1rem;
}

.sidebar-card p,
.sidebar-card li {
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   12. Tables
   -------------------------------------------------------------------------- */

.table-wrap {
  overflow-x: auto;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-subtle);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.96rem;
  line-height: 1.45;
  background: var(--color-surface);
}

caption {
  caption-side: top;
  text-align: left;
  color: var(--color-text-muted);
  font-size: 0.9rem;
  padding: var(--space-3) 0;
}

th,
td {
  vertical-align: top;
  text-align: left;
  padding: var(--space-4);
  border-bottom: 1px solid var(--color-border);
}

th {
  background: var(--color-surface-alt);
  color: var(--color-heading);
  font-weight: 760;
}

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

tbody tr:hover {
  background: var(--color-surface-soft);
}

.comparison-table th:first-child,
.comparison-table td:first-child {
  width: 24%;
  font-weight: 700;
  color: var(--color-heading);
}

/* --------------------------------------------------------------------------
   13. Glossary, indexes, and directory pages
   -------------------------------------------------------------------------- */

.index-header {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: var(--space-6);
  margin-bottom: var(--space-8);
}

.index-tools {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
}

.alpha-nav {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-8) 0;
}

.alpha-nav a {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 2rem;
  min-height: 2rem;
  border: 1px solid var(--color-border);
  border-radius: var(--radius-sm);
  background: var(--color-surface);
  color: var(--color-heading);
  text-decoration: none;
  font-weight: 700;
}

.alpha-nav a:hover {
  border-color: var(--color-red);
  color: var(--color-red);
  background: var(--color-red-soft);
}

.glossary-list {
  display: grid;
  gap: var(--space-4);
}

.glossary-entry {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.glossary-entry h2,
.glossary-entry h3 {
  margin: 0 0 var(--space-2);
  font-size: 1.25rem;
}

.glossary-entry .term-meta {
  color: var(--color-text-muted);
  font-size: 0.9rem;
  margin-bottom: var(--space-3);
}

.directory-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-5);
}

.directory-section {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.directory-section h2,
.directory-section h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

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

.directory-section li {
  margin: 0;
}

.directory-section a {
  display: block;
  padding: var(--space-2) 0;
  color: var(--color-heading);
  text-decoration: none;
  border-bottom: 1px solid var(--color-border);
}

.directory-section li:last-child a {
  border-bottom: 0;
}

.directory-section a:hover {
  color: var(--color-red);
}

/* --------------------------------------------------------------------------
   14. Tags, badges, metadata
   -------------------------------------------------------------------------- */

.badge-list {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-5) 0;
}

.badge {
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  background: var(--color-surface-alt);
  color: var(--color-text-muted);
  border: 1px solid var(--color-border);
  font-size: 0.82rem;
  font-weight: 700;
}

.badge.red {
  background: var(--color-red-soft);
  color: var(--color-red);
  border-color: rgba(159, 45, 32, 0.18);
}

.badge.blue {
  background: var(--color-blue-soft);
  color: var(--color-blue);
  border-color: rgba(36, 95, 143, 0.18);
}

.badge.green {
  background: var(--color-green-soft);
  color: var(--color-green);
  border-color: rgba(46, 96, 73, 0.18);
}

.badge.gold {
  background: var(--color-gold-soft);
  color: var(--color-gold);
  border-color: rgba(154, 116, 47, 0.18);
}

/* --------------------------------------------------------------------------
   15. Archive pages
   -------------------------------------------------------------------------- */

.archive-notice {
  border: 1px solid var(--color-gold);
  background: var(--color-gold-soft);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  margin: var(--space-8) 0;
}

.archive-notice h2,
.archive-notice h3 {
  margin-top: 0;
  font-size: 1.1rem;
}

.timeline {
  position: relative;
  display: grid;
  gap: var(--space-5);
  margin: var(--space-8) 0;
}

.timeline-item {
  display: grid;
  grid-template-columns: 150px minmax(0, 1fr);
  gap: var(--space-5);
  padding-bottom: var(--space-5);
  border-bottom: 1px solid var(--color-border);
}

.timeline-date {
  color: var(--color-red);
  font-weight: 800;
}

.timeline-content h2,
.timeline-content h3 {
  margin-top: 0;
  font-size: 1.16rem;
}

/* --------------------------------------------------------------------------
   16. Chinese-language pages
   -------------------------------------------------------------------------- */

html[lang="zh-CN"] body,
body.lang-zh {
  font-family: var(--font-sans);
  line-height: 1.78;
}

html[lang="zh-CN"] h1,
html[lang="zh-CN"] h2,
html[lang="zh-CN"] h3,
body.lang-zh h1,
body.lang-zh h2,
body.lang-zh h3 {
  letter-spacing: 0;
  line-height: 1.25;
}

.zh-term {
  display: inline-block;
  font-weight: 700;
}

.zh-pinyin {
  color: var(--color-text-muted);
  font-size: 0.9em;
}

.bilingual-term {
  display: grid;
  grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--color-border);
}

.bilingual-term:last-child {
  border-bottom: 0;
}

.bilingual-term strong {
  color: var(--color-heading);
}

.bilingual-term span {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   17. Footer
   -------------------------------------------------------------------------- */

.site-footer {
  background: var(--color-navy);
  color: rgba(255, 255, 255, 0.78);
  padding: var(--space-12) 0 var(--space-8);
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr repeat(3, minmax(0, 1fr));
  gap: var(--space-8);
}

.site-footer h2,
.site-footer h3 {
  color: #fff;
  margin-top: 0;
  font-size: 1rem;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.86);
  text-decoration: none;
}

.site-footer a:hover {
  color: #fff;
  text-decoration: underline;
  text-underline-offset: 0.18em;
}

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

.site-footer li {
  margin: 0 0 var(--space-2);
}

.footer-bottom {
  margin-top: var(--space-10);
  padding-top: var(--space-5);
  border-top: 1px solid rgba(255, 255, 255, 0.18);
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: var(--space-4);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   18. Forms and search boxes
   -------------------------------------------------------------------------- */

.search-box {
  display: flex;
  gap: var(--space-2);
  width: 100%;
  max-width: 680px;
}

.search-box input[type="search"],
.search-box input[type="text"] {
  flex: 1;
  min-width: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: 999px;
  background: var(--color-surface);
  min-height: 46px;
  padding: 0 var(--space-5);
  color: var(--color-text);
}

.search-box button {
  border: 0;
  border-radius: 999px;
  background: var(--color-navy);
  color: #fff;
  padding: 0 var(--space-5);
  font-weight: 700;
  cursor: pointer;
}

.search-box button:hover {
  background: var(--color-red);
}

/* --------------------------------------------------------------------------
   19. Print
   -------------------------------------------------------------------------- */

@media print {
  :root {
    --color-bg: #fff;
    --color-surface: #fff;
    --color-text: #000;
    --color-heading: #000;
  }

  body {
    background: #fff;
    color: #000;
    font-size: 11pt;
  }

  .site-header,
  .site-footer,
  .toc,
  .hero-actions,
  .button,
  .button-secondary,
  .button-ghost,
  .skip-link {
    display: none !important;
  }

  .container,
  .container-narrow,
  .container-wide {
    width: 100%;
  }

  .article-layout,
  .split,
  .hero-grid,
  .grid-2,
  .grid-3,
  .grid-4,
  .directory-grid,
  .footer-grid {
    display: block;
  }

  a {
    color: #000;
    text-decoration: underline;
  }

  a[href^="http"]::after {
    content: " (" attr(href) ")";
    font-size: 0.85em;
  }

  table,
  .card,
  .answer-box,
  .callout,
  .table-wrap {
    box-shadow: none;
    break-inside: avoid;
  }

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

/* --------------------------------------------------------------------------
   20. Responsive
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .article-layout,
  .hero-grid,
  .split {
    grid-template-columns: 1fr;
  }

  .toc {
    position: static;
  }

  .hero-card {
    max-width: 720px;
  }

  .directory-grid,
  .grid-4 {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (max-width: 820px) {
  body {
    font-size: 16px;
  }

  .site-header {
    position: static;
  }

  .header-inner {
    display: block;
    padding: var(--space-4) 0;
  }

  .site-brand {
    margin-bottom: var(--space-3);
  }

  .primary-nav {
    justify-content: flex-start;
    gap: var(--space-2);
  }

  .primary-nav a {
    padding: var(--space-2) var(--space-3);
    background: var(--color-surface);
    border: 1px solid var(--color-border);
  }

  .utility-nav {
    margin-top: var(--space-3);
  }

  .mobile-nav-note {
    display: block;
  }

  .hero,
  .page-header {
    padding: var(--space-12) 0 var(--space-8);
  }

  .section,
  .section-lg {
    padding: var(--space-10) 0;
  }

  .grid-2,
  .grid-3,
  .grid-4,
  .directory-grid {
    grid-template-columns: 1fr;
  }

  .index-header {
    display: block;
  }

  .timeline-item {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .search-box {
    display: grid;
  }

  .footer-grid {
    grid-template-columns: 1fr;
  }

  .footer-bottom {
    display: block;
  }

  .bilingual-term {
    grid-template-columns: 1fr;
  }

  th,
  td {
    padding: var(--space-3);
  }
}

@media (max-width: 520px) {
  .container,
  .container-narrow,
  .container-wide,
  .header-inner {
    width: min(100% - 1rem, var(--container));
  }

  .hero-actions {
    display: grid;
  }

  .button,
  .button-secondary,
  .button-ghost {
    width: 100%;
  }

  .card,
  .hero-card,
  .answer-box,
  .callout,
  .toc,
  .sidebar-card,
  .archive-notice,
  .glossary-entry,
  .directory-section {
    padding: var(--space-4);
  }
}


/* ==========================================================================
   USChinaHealthcare.com refinement layer
   Version: 2.0
   Purpose: Add visual diversity and additional static HTML components while
   preserving the sober reference-site system established in v1.
   ========================================================================== */

/* --------------------------------------------------------------------------
   21. Additional tokens and surface variations
   -------------------------------------------------------------------------- */

:root {
  --color-ink: #07111f;
  --color-mist: #eef2f6;
  --color-warm: #f6efe5;
  --color-clay: #b85c3c;
  --color-sage: #6f806b;
  --color-slate: #4f6071;
  --color-cyan-deep: #225d6f;

  --gradient-navy: linear-gradient(135deg, #07111f 0%, #10243e 52%, #263f5f 100%);
  --gradient-paper: linear-gradient(180deg, #fffdfa 0%, #f5f2eb 100%);
  --gradient-red: linear-gradient(135deg, #9f2d20 0%, #b85c3c 100%);
  --gradient-blue: linear-gradient(135deg, #10243e 0%, #245f8f 100%);

  --rule-thin: 1px solid var(--color-border);
  --rule-strong: 2px solid var(--color-border-strong);
}

/* Theme modifiers can be applied to major sections */
.theme-navy {
  background: var(--gradient-navy);
  color: rgba(255,255,255,0.82);
}

.theme-navy h1,
.theme-navy h2,
.theme-navy h3,
.theme-navy h4,
.theme-navy .kicker {
  color: #fff;
}

.theme-navy a:not(.button):not(.button-secondary):not(.button-ghost) {
  color: #dcecff;
}

.theme-paper {
  background: var(--gradient-paper);
}

.theme-red {
  background: var(--gradient-red);
  color: rgba(255,255,255,0.88);
}

.theme-red h1,
.theme-red h2,
.theme-red h3,
.theme-red h4,
.theme-red .kicker {
  color: #fff;
}

.theme-quiet {
  background:
    linear-gradient(90deg, rgba(16,36,62,0.035) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16,36,62,0.035) 1px, transparent 1px),
    var(--color-bg);
  background-size: 36px 36px;
}

/* --------------------------------------------------------------------------
   22. Breadcrumbs and page tools
   -------------------------------------------------------------------------- */

.breadcrumbs {
  margin-bottom: var(--space-5);
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  list-style: none;
  margin: 0;
  padding: 0;
}

.breadcrumbs li {
  margin: 0;
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
}

.breadcrumbs li + li::before {
  content: "/";
  color: var(--color-border-strong);
}

.breadcrumbs a {
  color: var(--color-text-muted);
  text-decoration: none;
}

.breadcrumbs a:hover {
  color: var(--color-red);
}

.page-tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--space-2);
  margin-top: var(--space-6);
}

.tool-link {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  background: var(--color-surface);
  color: var(--color-heading);
  text-decoration: none;
  font-size: 0.86rem;
  font-weight: 700;
}

.tool-link:hover {
  color: var(--color-red);
  border-color: var(--color-red);
  background: var(--color-red-soft);
}

/* --------------------------------------------------------------------------
   23. Alternate hero treatments
   -------------------------------------------------------------------------- */

.hero-compact {
  padding: var(--space-12) 0;
  border-bottom: var(--rule-thin);
  background: var(--color-surface-soft);
}

.hero-compact h1 {
  max-width: 1040px;
}

.hero-split {
  padding: var(--space-16) 0;
  background: var(--gradient-navy);
  color: rgba(255,255,255,0.82);
}

.hero-split h1,
.hero-split h2,
.hero-split h3,
.hero-split .kicker {
  color: #fff;
}

.hero-split-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(320px, 0.64fr);
  gap: var(--space-12);
  align-items: stretch;
}

.hero-split-panel {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
}

.hero-split-panel .link-list a {
  color: #fff;
  border-color: rgba(255,255,255,0.18);
}

.hero-split-panel .link-list a:hover {
  color: #fff;
  background: rgba(255,255,255,0.08);
}

.hero-reference {
  padding: var(--space-16) 0;
  background:
    linear-gradient(90deg, rgba(16, 36, 62, 0.08), transparent 48%),
    var(--color-bg);
  border-bottom: var(--rule-thin);
}

.hero-reference-grid {
  display: grid;
  grid-template-columns: minmax(0, 0.82fr) minmax(360px, 1fr);
  gap: var(--space-12);
  align-items: center;
}

.hero-reference-index {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--space-4);
}

.reference-tile {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
  min-height: 150px;
  box-shadow: var(--shadow-subtle);
}

.reference-tile .number {
  display: block;
  color: var(--color-red);
  font-size: 1.9rem;
  font-weight: 820;
  line-height: 1;
  margin-bottom: var(--space-3);
}

.reference-tile strong {
  display: block;
  color: var(--color-heading);
  font-size: 1.05rem;
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.reference-tile span {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

/* --------------------------------------------------------------------------
   24. Feature strips and data modules
   -------------------------------------------------------------------------- */

.stat-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-subtle);
}

.stat-strip-item {
  padding: var(--space-6);
  border-left: 1px solid var(--color-border);
}

.stat-strip-item:first-child {
  border-left: 0;
}

.stat-strip-item strong {
  display: block;
  color: var(--color-heading);
  font-size: clamp(1.6rem, 2.4vw, 2.7rem);
  line-height: 1;
  margin-bottom: var(--space-2);
}

.stat-strip-item span {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.metric-card {
  display: grid;
  gap: var(--space-3);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-6);
  box-shadow: var(--shadow-subtle);
}

.metric-card .metric-label {
  color: var(--color-text-muted);
  font-size: 0.82rem;
  font-weight: 760;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.metric-card .metric-value {
  color: var(--color-heading);
  font-size: clamp(2rem, 4vw, 3.3rem);
  font-weight: 820;
  letter-spacing: -0.03em;
  line-height: 1;
}

.metric-card .metric-note {
  color: var(--color-text-muted);
  font-size: 0.92rem;
}

.data-band {
  display: grid;
  grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
  gap: var(--space-8);
  align-items: center;
  padding: var(--space-8);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  box-shadow: var(--shadow-subtle);
}

.data-band h2,
.data-band h3 {
  margin-top: 0;
}

.data-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--space-3);
}

.data-point {
  background: var(--color-surface-alt);
  border-radius: var(--radius-md);
  padding: var(--space-4);
}

.data-point strong {
  display: block;
  color: var(--color-red);
  font-size: 1.45rem;
  line-height: 1;
  margin-bottom: var(--space-2);
}

.data-point span {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

/* --------------------------------------------------------------------------
   25. Country comparison and paired-content modules
   -------------------------------------------------------------------------- */

.country-compare {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--space-5);
  margin: var(--space-8) 0;
}

.country-panel {
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.country-panel-header {
  padding: var(--space-5);
  background: var(--color-surface-alt);
  border-bottom: 1px solid var(--color-border);
}

.country-panel-header h2,
.country-panel-header h3 {
  margin: 0;
  font-size: 1.25rem;
}

.country-panel-body {
  padding: var(--space-5);
}

.country-panel.us .country-panel-header {
  background: var(--color-blue-soft);
}

.country-panel.china .country-panel-header {
  background: var(--color-red-soft);
}

.key-differences {
  display: grid;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.difference-row {
  display: grid;
  grid-template-columns: 220px minmax(0,1fr);
  gap: var(--space-5);
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.difference-row .difference-label {
  color: var(--color-heading);
  font-weight: 800;
}

.difference-row .difference-text {
  color: var(--color-text-muted);
}

/* --------------------------------------------------------------------------
   26. Process, pathway, and decision modules
   -------------------------------------------------------------------------- */

.process-steps {
  counter-reset: process;
  display: grid;
  gap: var(--space-4);
  margin: var(--space-8) 0;
}

.process-step {
  counter-increment: process;
  display: grid;
  grid-template-columns: 54px minmax(0,1fr);
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
}

.process-step::before {
  content: counter(process);
  display: grid;
  place-items: center;
  width: 46px;
  height: 46px;
  border-radius: 999px;
  background: var(--color-navy);
  color: #fff;
  font-weight: 820;
}

.process-step h2,
.process-step h3,
.process-step h4 {
  margin-top: 0;
}

.pathway {
  display: grid;
  grid-template-columns: repeat(5, minmax(0,1fr));
  gap: var(--space-3);
  margin: var(--space-8) 0;
}

.pathway-node {
  position: relative;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-4);
  min-height: 130px;
}

.pathway-node:not(:last-child)::after {
  content: "→";
  position: absolute;
  right: calc(var(--space-3) * -1.15);
  top: 50%;
  transform: translateY(-50%);
  color: var(--color-red);
  font-weight: 900;
  z-index: 2;
}

.pathway-node strong {
  display: block;
  color: var(--color-heading);
  line-height: 1.2;
  margin-bottom: var(--space-2);
}

.pathway-node span {
  color: var(--color-text-muted);
  font-size: 0.88rem;
}

.decision-box {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-surface);
  box-shadow: var(--shadow-subtle);
  margin: var(--space-8) 0;
}

.decision-box-header {
  padding: var(--space-5);
  background: var(--color-navy);
  color: #fff;
}

.decision-box-header h2,
.decision-box-header h3 {
  color: #fff;
  margin: 0;
}

.decision-box-body {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
}

.decision-option {
  padding: var(--space-5);
  border-left: 1px solid var(--color-border);
}

.decision-option:first-child {
  border-left: 0;
}

.decision-option strong {
  display: block;
  color: var(--color-heading);
  margin-bottom: var(--space-2);
}

/* --------------------------------------------------------------------------
   27. Profile, hospital, agency, and entity pages
   -------------------------------------------------------------------------- */

.profile-header {
  display: grid;
  grid-template-columns: minmax(0,1fr) 320px;
  gap: var(--space-8);
  align-items: stretch;
  padding: var(--space-8);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}

.profile-facts {
  background: var(--color-surface-alt);
  border-radius: var(--radius-lg);
  padding: var(--space-5);
}

.profile-facts h2,
.profile-facts h3 {
  margin-top: 0;
  font-size: 1rem;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.fact-list {
  display: grid;
  gap: var(--space-3);
  margin: 0;
}

.fact-row {
  display: grid;
  grid-template-columns: 110px minmax(0,1fr);
  gap: var(--space-3);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--color-border);
}

.fact-row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.fact-label {
  color: var(--color-text-muted);
  font-size: 0.85rem;
  font-weight: 700;
}

.fact-value {
  color: var(--color-heading);
  font-weight: 650;
}

.entity-card {
  display: grid;
  grid-template-columns: 6px minmax(0,1fr);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.entity-card::before {
  content: "";
  background: var(--color-red);
}

.entity-card.agency::before {
  background: var(--color-blue);
}

.entity-card.hospital::before {
  background: var(--color-green);
}

.entity-card.company::before {
  background: var(--color-gold);
}

.entity-card-body {
  padding: var(--space-5);
}

.entity-card h2,
.entity-card h3 {
  margin-top: 0;
  font-size: 1.18rem;
}

.entity-meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  color: var(--color-text-muted);
  font-size: 0.86rem;
  margin-bottom: var(--space-3);
}

/* --------------------------------------------------------------------------
   28. Figures, diagrams, and visual placeholders
   -------------------------------------------------------------------------- */

.figure {
  margin: var(--space-8) 0;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-subtle);
}

.figure-body {
  padding: var(--space-6);
}

.figure-caption {
  padding: var(--space-4) var(--space-6);
  background: var(--color-surface-alt);
  border-top: 1px solid var(--color-border);
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

.diagram-schematic {
  display: grid;
  place-items: center;
  min-height: 260px;
  background:
    linear-gradient(90deg, rgba(16,36,62,0.055) 1px, transparent 1px),
    linear-gradient(0deg, rgba(16,36,62,0.055) 1px, transparent 1px),
    var(--color-surface-soft);
  background-size: 28px 28px;
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-6);
}

.map-placeholder {
  min-height: 320px;
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 32% 38%, rgba(159,45,32,0.16), transparent 5rem),
    radial-gradient(circle at 70% 62%, rgba(36,95,143,0.16), transparent 6rem),
    linear-gradient(135deg, #eef2f6, #faf8f3);
  border: 1px solid var(--color-border);
  display: grid;
  place-items: center;
  color: var(--color-text-muted);
  text-align: center;
  padding: var(--space-6);
}

/* --------------------------------------------------------------------------
   29. Source, evidence, and editorial modules
   -------------------------------------------------------------------------- */

.source-panel {
  margin: var(--space-10) 0;
  padding: var(--space-6);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-subtle);
}

.source-panel h2,
.source-panel h3 {
  margin-top: 0;
  font-size: 1.2rem;
}

.source-list {
  list-style: none;
  padding: 0;
  margin: 0;
  display: grid;
  gap: var(--space-3);
}

.source-list li {
  margin: 0;
  padding-left: var(--space-4);
  border-left: 3px solid var(--color-border-strong);
  color: var(--color-text-muted);
  font-size: 0.94rem;
}

.evidence-grade {
  display: inline-flex;
  align-items: center;
  gap: var(--space-2);
  min-height: 32px;
  padding: 0 var(--space-3);
  border-radius: 999px;
  background: var(--color-green-soft);
  color: var(--color-green);
  font-size: 0.82rem;
  font-weight: 800;
}

.evidence-grade.medium {
  background: var(--color-gold-soft);
  color: var(--color-gold);
}

.evidence-grade.low {
  background: var(--color-red-soft);
  color: var(--color-red);
}

.review-box {
  display: grid;
  grid-template-columns: repeat(3, minmax(0,1fr));
  gap: var(--space-4);
  margin-top: var(--space-6);
}

.review-item {
  padding: var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
}

.review-item strong {
  display: block;
  color: var(--color-heading);
  margin-bottom: var(--space-1);
}

.review-item span {
  color: var(--color-text-muted);
  font-size: 0.9rem;
}

/* --------------------------------------------------------------------------
   30. Pull quotes, annotations, and editorial texture
   -------------------------------------------------------------------------- */

.pull-quote {
  margin: var(--space-10) 0;
  padding: var(--space-8);
  border-top: 3px solid var(--color-red);
  border-bottom: 1px solid var(--color-border);
  color: var(--color-heading);
  font-family: var(--font-serif);
  font-size: clamp(1.35rem, 2.1vw, 2rem);
  line-height: 1.35;
}

.pull-quote cite {
  display: block;
  margin-top: var(--space-4);
  color: var(--color-text-muted);
  font-family: var(--font-sans);
  font-size: 0.92rem;
  font-style: normal;
}

.aside-note {
  float: right;
  width: min(320px, 45%);
  margin: var(--space-1) 0 var(--space-5) var(--space-6);
  padding: var(--space-4);
  background: var(--color-surface-alt);
  border-left: 4px solid var(--color-gold);
  color: var(--color-text-muted);
  font-size: 0.92rem;
  line-height: 1.55;
}

.annotation {
  background: linear-gradient(transparent 58%, rgba(154,116,47,0.22) 58%);
  padding: 0 0.06em;
}

/* --------------------------------------------------------------------------
   31. Hub page modules and visual variety
   -------------------------------------------------------------------------- */

.hub-masthead {
  display: grid;
  grid-template-columns: minmax(0, 0.9fr) minmax(320px, 1.1fr);
  gap: var(--space-10);
  align-items: start;
  padding: var(--space-12) 0;
}

.hub-map {
  display: grid;
  gap: var(--space-4);
}

.hub-row {
  display: grid;
  grid-template-columns: 180px minmax(0,1fr);
  gap: var(--space-4);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.hub-row strong {
  color: var(--color-heading);
}

.hub-row span {
  color: var(--color-text-muted);
}

.cluster-index {
  display: grid;
  grid-template-columns: repeat(12, minmax(0,1fr));
  gap: var(--space-4);
}

.cluster-card {
  grid-column: span 4;
  min-height: 220px;
  padding: var(--space-6);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-subtle);
}

.cluster-card.wide {
  grid-column: span 6;
}

.cluster-card.full {
  grid-column: 1 / -1;
}

.cluster-card h2,
.cluster-card h3 {
  margin-top: 0;
}

.cluster-card .count {
  display: inline-flex;
  margin-bottom: var(--space-4);
  color: var(--color-red);
  font-weight: 820;
}

/* --------------------------------------------------------------------------
   32. Pagination and next-page navigation
   -------------------------------------------------------------------------- */

.page-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  gap: var(--space-4);
  margin-top: var(--space-12);
}

.page-nav a {
  display: block;
  padding: var(--space-5);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
  color: var(--color-heading);
  text-decoration: none;
}

.page-nav a:hover {
  border-color: var(--color-red);
  background: var(--color-red-soft);
}

.page-nav span {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.84rem;
  margin-bottom: var(--space-2);
  text-transform: uppercase;
  letter-spacing: 0.08em;
  font-weight: 760;
}

/* --------------------------------------------------------------------------
   33. Static filter and taxonomy chips
   -------------------------------------------------------------------------- */

.filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin: var(--space-6) 0 var(--space-8);
  padding: var(--space-4);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  background: var(--color-surface);
}

.filter-chip {
  display: inline-flex;
  align-items: center;
  min-height: 34px;
  padding: 0 var(--space-3);
  border: 1px solid var(--color-border);
  border-radius: 999px;
  color: var(--color-heading);
  background: var(--color-surface-alt);
  text-decoration: none;
  font-size: 0.88rem;
  font-weight: 700;
}

.filter-chip:hover,
.filter-chip.active {
  border-color: var(--color-red);
  color: var(--color-red);
  background: var(--color-red-soft);
}

/* --------------------------------------------------------------------------
   34. Alerts and status banners
   -------------------------------------------------------------------------- */

.site-alert {
  background: var(--color-navy);
  color: rgba(255,255,255,0.88);
  font-size: 0.92rem;
}

.site-alert-inner {
  width: min(100% - 2rem, var(--container-wide));
  margin-inline: auto;
  min-height: 42px;
  display: flex;
  align-items: center;
  gap: var(--space-4);
  justify-content: space-between;
}

.site-alert a {
  color: #fff;
}

.status-banner {
  display: flex;
  gap: var(--space-4);
  align-items: start;
  padding: var(--space-5);
  border-radius: var(--radius-lg);
  border: 1px solid var(--color-border);
  background: var(--color-surface);
  margin: var(--space-6) 0;
}

.status-banner::before {
  content: "";
  flex: 0 0 12px;
  width: 12px;
  height: 12px;
  border-radius: 999px;
  margin-top: 0.42em;
  background: var(--color-green);
}

.status-banner.outdated::before {
  background: var(--color-red);
}

.status-banner.partial::before {
  background: var(--color-gold);
}

.status-banner h2,
.status-banner h3 {
  margin-top: 0;
  font-size: 1rem;
}

/* --------------------------------------------------------------------------
   35. Compact cards for dense 500-page architecture
   -------------------------------------------------------------------------- */

.compact-card-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0,1fr));
  gap: var(--space-3);
}

.compact-card {
  display: block;
  padding: var(--space-4);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-heading);
  text-decoration: none;
}

.compact-card:hover {
  border-color: var(--color-red);
  background: var(--color-red-soft);
}

.compact-card strong {
  display: block;
  line-height: 1.25;
  margin-bottom: var(--space-2);
}

.compact-card span {
  display: block;
  color: var(--color-text-muted);
  font-size: 0.86rem;
  line-height: 1.35;
}

/* --------------------------------------------------------------------------
   36. Mobile refinements for new components
   -------------------------------------------------------------------------- */

@media (max-width: 1100px) {
  .hero-split-grid,
  .hero-reference-grid,
  .hub-masthead,
  .profile-header,
  .data-band {
    grid-template-columns: 1fr;
  }

  .stat-strip {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }

  .stat-strip-item:nth-child(odd) {
    border-left: 0;
  }

  .pathway {
    grid-template-columns: 1fr;
  }

  .pathway-node:not(:last-child)::after {
    content: "↓";
    right: 50%;
    top: auto;
    bottom: calc(var(--space-3) * -1.6);
    transform: translateX(50%);
  }

  .cluster-card,
  .cluster-card.wide {
    grid-column: span 6;
  }

  .compact-card-grid {
    grid-template-columns: repeat(2, minmax(0,1fr));
  }
}

@media (max-width: 820px) {
  .hero-reference-index,
  .country-compare,
  .decision-box-body,
  .review-box,
  .data-grid,
  .page-nav {
    grid-template-columns: 1fr;
  }

  .difference-row,
  .hub-row,
  .fact-row {
    grid-template-columns: 1fr;
    gap: var(--space-2);
  }

  .decision-option {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }

  .decision-option:first-child {
    border-top: 0;
  }

  .cluster-index {
    display: grid;
    grid-template-columns: 1fr;
  }

  .cluster-card,
  .cluster-card.wide,
  .cluster-card.full {
    grid-column: auto;
  }

  .aside-note {
    float: none;
    width: auto;
    margin: var(--space-6) 0;
  }

  .site-alert-inner {
    display: block;
    padding: var(--space-3) 0;
  }

  .stat-strip {
    grid-template-columns: 1fr;
  }

  .stat-strip-item,
  .stat-strip-item:nth-child(odd) {
    border-left: 0;
    border-top: 1px solid var(--color-border);
  }

  .stat-strip-item:first-child {
    border-top: 0;
  }
}

@media (max-width: 520px) {
  .compact-card-grid {
    grid-template-columns: 1fr;
  }

  .profile-header,
  .data-band,
  .hub-row {
    padding: var(--space-4);
  }

  .pull-quote {
    padding: var(--space-5) 0;
  }
}

/* --------------------------------------------------------------------------
   Search and editorial panel refinements
   -------------------------------------------------------------------------- */

.search-hero {
  background:
    linear-gradient(135deg, rgba(16, 36, 62, 0.94), rgba(46, 96, 73, 0.88)),
    var(--color-navy);
  color: #fff;
}

.search-hero h1,
.search-hero .kicker,
.search-hero .page-lede,
.search-hero .breadcrumbs,
.search-hero .breadcrumbs a {
  color: #fff;
}

.search-layout {
  display: grid;
  grid-template-columns: minmax(280px, 0.9fr) minmax(0, 1.7fr);
  gap: var(--space-8);
  align-items: start;
}

.search-console {
  position: sticky;
  top: var(--space-5);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-6);
  box-shadow: var(--shadow-subtle);
}

.search-label {
  display: block;
  color: var(--color-heading);
  font-weight: 760;
  margin-bottom: var(--space-3);
}

.search-box {
  display: flex;
  gap: var(--space-3);
}

.search-box input {
  width: 100%;
  min-width: 0;
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-md);
  padding: 0.82rem 0.95rem;
  background: #fff;
  color: var(--color-text);
}

.search-box button,
.search-filters button {
  border: 1px solid var(--color-border-strong);
  border-radius: var(--radius-sm);
  background: var(--color-surface-soft);
  color: var(--color-heading);
  cursor: pointer;
  font-weight: 680;
  transition: background var(--transition), border-color var(--transition), color var(--transition);
}

.search-box button {
  padding: 0.7rem 0.95rem;
}

.search-filters {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.search-filters button {
  padding: 0.42rem 0.62rem;
  font-size: 0.9rem;
}

.search-box button:hover,
.search-filters button:hover {
  background: var(--color-navy);
  border-color: var(--color-navy);
  color: #fff;
}

.search-count {
  color: var(--color-text-muted);
  font-size: 0.94rem;
  margin: var(--space-4) 0 0;
}

.search-empty {
  background: var(--color-surface-alt);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  padding: var(--space-8);
}

.search-empty h2 {
  margin-top: 0;
}

.search-results {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: var(--space-4);
}

.search-result {
  margin: 0;
}

.search-result a {
  display: grid;
  gap: var(--space-2);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-left: 5px solid var(--color-blue);
  border-radius: var(--radius-md);
  padding: var(--space-5);
  color: inherit;
  text-decoration: none;
  box-shadow: var(--shadow-subtle);
}

.search-result a:hover {
  border-left-color: var(--color-red);
  transform: translateY(-1px);
}

.search-result-category {
  color: var(--color-red);
  font-size: 0.78rem;
  font-weight: 780;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.search-result strong {
  color: var(--color-heading);
  font-size: 1.16rem;
}

.search-result span {
  color: var(--color-text-muted);
}

.search-result small {
  color: var(--color-text-light);
}

.research-depth {
  border: 1px solid var(--color-border);
  border-left: 6px solid var(--color-green);
  border-radius: var(--radius-md);
  background: #fff;
  padding: var(--space-6);
  margin: var(--space-8) 0;
  box-shadow: var(--shadow-subtle);
}

.research-depth h2 {
  margin-top: 0;
}

.research-depth.insight-payment { border-left-color: var(--color-blue); background: linear-gradient(90deg, var(--color-blue-soft), #fff 24%); }
.research-depth.insight-regulatory { border-left-color: var(--color-red); background: linear-gradient(90deg, var(--color-red-soft), #fff 24%); }
.research-depth.insight-life-sciences { border-left-color: var(--color-green); background: linear-gradient(90deg, var(--color-green-soft), #fff 24%); }
.research-depth.insight-digital { border-left-color: #5b5f97; background: linear-gradient(90deg, #ececff, #fff 24%); }
.research-depth.insight-provider { border-left-color: var(--color-gold); background: linear-gradient(90deg, var(--color-gold-soft), #fff 24%); }
.research-depth.insight-regional { border-left-color: #4d7c5a; background: linear-gradient(90deg, #e5f1e7, #fff 24%); }
.research-depth.insight-strategy { border-left-color: #7b4f2f; background: linear-gradient(90deg, #f0e6dc, #fff 24%); }
.research-depth.insight-population { border-left-color: #2f6f73; background: linear-gradient(90deg, #e1f0f1, #fff 24%); }
.research-depth.insight-history { border-left-color: #6f5b2f; background: linear-gradient(90deg, #eee7d8, #fff 24%); }
.research-depth.insight-comparison { border-left-color: var(--color-navy); background: linear-gradient(90deg, var(--color-navy-soft), #fff 24%); }

@media (max-width: 820px) {
  .search-layout {
    grid-template-columns: 1fr;
  }

  .search-console {
    position: static;
  }
}