/* Archive fonts. No remote font requests or template font files. */
@font-face {
  font-family: 'TV Sans Screen'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('/fonts/tv-sans-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'TV Sans Screen'; font-style: normal; font-weight: 500; font-display: swap;
  src: url('/fonts/tv-sans-medium.woff2') format('woff2');
}
@font-face {
  font-family: 'TV Sans Screen'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('/fonts/tv-sans-bold.woff2') format('woff2');
}
@font-face {
  font-family: 'TV Slab'; font-style: normal; font-weight: 700; font-display: swap;
  src: url('/fonts/tv-slab-bold.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Sans Pro'; font-style: normal; font-weight: 400; font-display: swap;
  src: url('/fonts/source-sans-regular.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Sans Pro'; font-style: normal; font-weight: 600; font-display: swap;
  src: url('/fonts/source-sans-semibold.woff2') format('woff2');
}
@font-face {
  font-family: 'Source Sans Pro'; font-style: italic; font-weight: 400; font-display: swap;
  src: url('/fonts/source-sans-italic.woff2') format('woff2');
}

/* Source/evidence and provisional tokens: docs/design-system.md.
   Responsive boundaries: 560 / 800 / 991.98px. These cannot be var() in @media. */
:root {
  color-scheme: light;
  --page: #fbfbfd;
  --surface: #fff;
  --ink: #000528;
  --muted: #52556d;
  --line: #e1e8fb;
  --nav-line: #c8c8ca;
  --blue: #043cdc;
  --badge: #0068fa;
  --nav-ink: #041e42;
  --nav-active: #041e42;
  --nav-active-text: #fff;
  --faint: #c0cbdc;
  --footer: #f2f4f8;
  --header: linear-gradient(90deg, #019ce1 0%, #00288c 100%);
  --hero: linear-gradient(110deg, #154199ef, #03a0dbe8);
  --font-heading: 'TV Sans Screen', sans-serif;
  --font-body: 'Source Sans Pro', sans-serif;
  --font-slab: 'TV Slab', Georgia, serif;
  --text-xs: 12px;
  --text-sm: 14px;
  --text-body: 16px;
  --text-card: 21px;
  --text-section: 28px;
  --text-hero: 32px;
  --leading-body: 1.5;
  --leading-card: 1.3;
  --leading-heading: 1.2;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --space-7: 48px;
  --space-8: 64px;
  --content: 1216px;
  --story-width: 800px;
  --card-image-width: 228px;
  --page-inset: 24px;
  --header-height: 65px;
  --nav-height: 57px;
  --logo-width: 77px;
  --logo-height: 24px;
  --grid-gap: 32px;
  --card-gap: 16px;
  --radius: 2px;
  --radius-image: 0;
  --radius-control: 4px;
  --shadow: none;
}
:root[data-theme='dark'] {
  color-scheme: dark;
  --page: #101622;
  --surface: #182544;
  --ink: #ffffff;
  --muted: #c3c6cc;
  --line: #29385c;
  --nav-line: #29385c;
  --blue: #61acff;
  --nav-ink: #ffffff;
  --nav-active: #fff;
  --nav-active-text: #041e42;
  --faint: #5c6880;
  --footer: #182544;
  --header: linear-gradient(90deg, #019ce1 0%, #00288c 100%);
}
/* OS preference works before JavaScript and after resetting to System.
   Explicit Light always wins over a dark OS preference. */
@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']):not([data-theme='dark']) {
    color-scheme: dark;
    --page: #101622;
    --surface: #182544;
    --ink: #ffffff;
    --muted: #c3c6cc;
    --line: #29385c;
    --nav-line: #29385c;
    --blue: #61acff;
    --nav-ink: #ffffff;
    --nav-active: #fff;
    --nav-active-text: #041e42;
    --faint: #5c6880;
    --footer: #182544;
    --header: linear-gradient(90deg, #019ce1 0%, #00288c 100%);
  }
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: var(--space-5); }
body {
  margin: 0;
  background: var(--page);
  color: var(--ink);
  font: var(--text-body)/var(--leading-body) var(--font-body);
}
a { color: inherit; text-decoration: none; }
a:hover { color: var(--blue); }
button, input { font: inherit; }
button { color: inherit; cursor: pointer; }
button:disabled, input:disabled { cursor: default; opacity: 1; }
img { display: block; max-width: 100%; }
h1, h2, h3, h4 {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 700;
  line-height: var(--leading-heading);
}
p { margin: 0 0 var(--space-4); }
figure { margin: 0; }
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--blue);
  outline-offset: var(--space-1);
}
.container { width: min(var(--content), calc(100% - var(--page-inset) * 2)); margin-inline: auto; }
.site-main { min-height: 60vh; }
.skip-link:not(:focus) {
  position: absolute; width: 1px; height: 1px; overflow: hidden;
  clip-path: inset(50%); white-space: nowrap;
}
.skip-link:focus { position: fixed; z-index: 10; padding: var(--space-3); background: var(--surface); }

/* Global chrome. */
.global-header {
  height: var(--header-height);
  display: flex; align-items: center; justify-content: space-between;
  background: var(--header); color: var(--nav-ink); box-shadow: var(--shadow);
}
.brand { padding: 20px var(--space-5); }
.brand img { width: var(--logo-width); height: var(--logo-height); }
.header-controls { display: flex; height: 100%; }
.header-search {
  display: flex; align-items: center; gap: var(--space-3);
  width: 240px; padding-inline: 18px; border-inline: 1px solid #ffffff1c;
}
.header-search input { width: 160px; min-width: 0; border: 0; background: none; color: #fff; }
.header-search input::placeholder { color: #e1e8fa; opacity: 1; }
.header-search button { padding: 0; border: 0; background: none; color: #fff; }
.header-search svg { width: 22px; height: 22px; fill: none; stroke: currentColor; stroke-width: 2; }
.menu-button {
  height: var(--header-height); display: flex; align-items: center; gap: var(--space-2);
  padding: 0 22px; background: none; border: 0; color: #fff; font-size: var(--text-sm);
}
.nine-dots { width: 21px; height: 21px; background: radial-gradient(circle, currentColor 1.7px, transparent 2px) 0 0 / 7px 7px; }
.section-nav {
  min-height: var(--nav-height); border-bottom: 1px solid var(--nav-line);
  color: var(--nav-ink);
  font: 500 var(--text-sm)/var(--leading-body) var(--font-heading);
}
.nav-links { display: flex; align-items: stretch; min-height: calc(var(--nav-height) - 1px); }
.nav-links > a { position: relative; display: flex; align-items: center; padding-inline: 14px; white-space: nowrap; }
.nav-links > a:hover { background: var(--line); color: var(--ink); }
.nav-links > a.active { background: var(--nav-active); color: var(--nav-active-text); }
.nav-links > a.active::after {
  content: ''; position: absolute; bottom: -6px; left: calc(50% - 6px);
  border-top: 6px solid var(--nav-active); border-inline: 6px solid transparent;
}

/* Data-driven cards; the template's ordinary Markdown contract is unchanged. */
.home-content { padding-top: var(--space-5); }
.home-hero { position: relative; display: block; aspect-ratio: 3/1; overflow: hidden; margin-bottom: var(--space-6); }
.home-hero > img { width: 100%; height: 100%; object-fit: cover; }
.hero-gradient {
  position: absolute; left: var(--space-8); bottom: var(--space-8); width: 480px;
  padding: 26px var(--space-6) 30px; background: var(--hero); color: #fff;
}
.hero-gradient h1 { font-family: var(--font-slab); font-size: var(--text-hero); }
.section-content { padding-top: var(--space-6); padding-bottom: var(--space-7); }
.section-block { margin-block: var(--space-7); }
.section-heading {
  padding-bottom: var(--space-2); margin-bottom: var(--space-5);
  border-bottom: 1px solid var(--line); font-size: var(--text-section); line-height: 36px;
}
.story-list { max-width: var(--story-width); }
.news-card {
  display: grid; grid-template-columns: var(--card-image-width) minmax(0, 1fr);
  gap: var(--card-gap); margin-bottom: var(--space-6);
}
.card-image { position: relative; display: block; overflow: hidden; align-self: start; border-radius: var(--radius-image); }
.card-image img { width: 100%; height: auto; aspect-ratio: 3/2; object-fit: cover; }
.news-card h2 { margin-bottom: var(--space-2); font-size: var(--text-card); font-weight: 500; line-height: 26px; }
.card-summary {
  display: -webkit-box; -webkit-line-clamp: 3; -webkit-box-orient: vertical; overflow: hidden;
  margin-bottom: 6px; color: var(--muted); font-size: var(--text-body); line-height: 22px;
}
.card-meta { display: flex; flex-wrap: wrap; gap: 0 var(--space-2); margin: 0; color: var(--muted); font-size: var(--text-sm); line-height: 18px; letter-spacing: .2px; }
.card-meta time { font-weight: 600; }
.card-meta span { padding-left: var(--space-2); border-left: 1px solid var(--line); }
.card-grid { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: var(--grid-gap); }
.card-grid .news-card { display: block; margin-bottom: 0; }
.card-grid .card-image { margin-bottom: var(--space-3); }
.card-grid .card-image img { aspect-ratio: 16/9; }
.card-grid h2 { font-size: 22px; }
.play-small { position: absolute; bottom: var(--space-3); left: var(--space-3); padding: 0 15px; border-radius: 30px; background: #0009; color: white; line-height: 28px; }

/* Retained template page markup, styled using the same design tokens. */
.post, .page-authors-container, .single-author-profile {
  width: min(var(--content), calc(100% - var(--page-inset) * 2)); margin: var(--space-6) auto;
}
.post-title { max-width: var(--content); margin-bottom: var(--space-5); font-size: 48px; line-height: 56px; }
.post-date { color: var(--muted); font-size: var(--text-sm); margin-bottom: var(--space-1); }
.post-author { display: flex; align-items: center; gap: var(--space-2); color: var(--blue); font-size: var(--text-sm); margin-bottom: var(--space-4); }
.author-icon { width: 28px; height: 28px; border-radius: 50%; }
.post-image { max-width: var(--story-width); }
.post-image > img { width: 100%; height: auto; }
.image-alt { color: var(--muted); font-size: var(--text-sm); margin-top: var(--space-2); }
.post-description, .post-content { max-width: 702px; margin-left: 98px; font-size: 20px; line-height: 32px; }
.post-description { font-weight: 600; margin-top: var(--space-6); }
.post-content h2, .post-content h3 { margin-block: var(--space-6) var(--space-4); }
.post-content a { color: var(--blue); text-decoration: underline; text-underline-offset: 3px; }
.single-author-box { display: flex; align-items: start; gap: var(--space-6); margin-bottom: var(--space-7); }
.single-author-icon { flex: 0 0 120px; }
.single-author-details { max-width: var(--story-width); }
.single-author-details h1, .author-posts > h1 { margin-bottom: var(--space-5); }
.page-item { display: grid; grid-template-columns: var(--card-image-width) minmax(0, 1fr); gap: var(--card-gap); margin-block: var(--space-6); max-width: var(--story-width); }
.page-image > img { width: 100%; aspect-ratio: 3/2; object-fit: cover; }
.page-title { font-size: var(--text-card); margin-bottom: var(--space-2); }
.page-description, .page-date { color: var(--muted); }
.page-date { font-size: var(--text-sm); }
.topic-content { padding-block: var(--space-6) var(--space-8); }
.topic-content > h1 { margin-bottom: var(--space-5); }
.disabled-search { display: flex; gap: var(--space-3); }
.disabled-search input { padding: var(--space-3); background: var(--surface); color: var(--muted); border: 1px solid var(--line); border-radius: var(--radius); }
.disabled-search button { border: 0; border-radius: var(--radius); background: var(--nav-active); color: var(--nav-active-text); }

/* Footer directory and reversible theme preference. */
.site-footer { margin-top: var(--space-7); padding: 40px 0 var(--space-5); border-top: 1px solid var(--line); background: var(--footer); }
.footer-top { display: flex; align-items: center; justify-content: space-between; gap: var(--space-5); padding-bottom: var(--space-6); border-bottom: 1px solid var(--line); }
.footer-brand { display: flex; align-items: center; gap: var(--space-4); font-family: var(--font-heading); font-size: 18px; font-weight: 700; }
.footer-brand img { box-sizing: content-box; background: #00328e; padding: var(--space-1); }
.theme-control { display: flex; align-items: center; gap: var(--space-4); font-size: var(--text-sm); }
.theme-control > div { display: flex; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-control); }
.theme-control button { padding: var(--space-2) var(--space-3); border: 0; background: var(--surface); font-size: var(--text-sm); }
.theme-control button[aria-pressed='true'] { background: var(--nav-active); color: var(--nav-active-text); }
.footer-columns { display: grid; grid-template-columns: 2fr 1fr; gap: 40px; padding-block: var(--space-6) var(--space-7); }
.footer-columns h2 { margin-bottom: var(--space-4); font-size: 18px; }
.footer-columns a { display: block; margin-block: 6px; font-size: var(--text-body); }
.footer-directory ul { display: grid; grid-template-columns: 1fr 1fr; padding: 0; margin: 0; list-style: none; gap: 0 var(--space-6); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; padding-top: 20px; border-top: 1px solid var(--line); color: var(--muted); font-size: var(--text-sm); }

/* Measured archive boundaries: 992px, 768px and 576px. */
@media (max-width: 991.98px) {
  :root { --card-image-width: 180px; }
  .nav-links > a { padding-inline: 10px; font-size: 13px; }
  .post-title { font-size: 40px; line-height: 48px; }
  .post-description, .post-content { margin-left: 40px; }
}
@media (max-width: 767.98px) {
  :root { --page-inset: 16px; --header-height: 56px; --nav-height: 49px; --logo-width: 77px; --logo-height: 24px; --card-image-width: 200px; --grid-gap: 20px; }
  .brand { padding: var(--space-4); }
  .header-search { width: 48px; padding: var(--space-3); border-left: 0; }
  .header-search input { display: none; }
  .menu-button { padding-inline: var(--space-4); }
  .section-nav { width: 100%; }
  .nav-links { overflow-x: auto; padding-inline: 6px; scrollbar-width: none; }
  .nav-links > a { flex-shrink: 0; padding-inline: var(--space-3); font-size: var(--text-sm); }
  .nav-links.expanded { display: grid; grid-template-columns: 1fr 1fr; overflow: visible; padding: var(--space-3) var(--space-4); background: var(--page); }
  .nav-links.expanded > a { padding: 14px var(--space-3); white-space: normal; }
  .nav-links > a.active::after { display: none; }
  .home-hero { aspect-ratio: auto; height: 340px; }
  .hero-gradient { left: var(--space-5); bottom: var(--space-5); width: min(420px, calc(100% - 48px)); padding: 20px var(--space-5); }
  .hero-gradient h1 { font-size: 27px; }
  .card-grid h2 { font-size: 18px; }
  .post-title { font-size: 36px; line-height: 42px; }
  .post-description, .post-content { margin-left: 0; }
  .footer-top { align-items: start; }
  .theme-control { flex-direction: column; align-items: start; gap: var(--space-2); }
  .footer-columns { gap: var(--space-5); }
  .footer-bottom { flex-wrap: wrap; }
}
@media (max-width: 575.98px) {
  :root { --card-image-width: 108px; --card-gap: 12px; --text-card: 16px; --text-section: 24px; --text-hero: 24px; }
  .home-content { padding-top: var(--space-4); }
  .home-hero { height: 310px; margin-bottom: var(--space-5); }
  .hero-gradient { left: var(--space-4); bottom: var(--space-4); width: calc(100% - 32px); padding: 18px 20px; }
  .hero-gradient h1 { font-size: var(--text-hero); line-height: 29px; }
  .news-card { margin-bottom: var(--space-5); }
  .news-card h2 { margin-bottom: var(--space-1); line-height: 20px; }
  .card-summary { display: none; }
  .card-meta { font-size: var(--text-xs); line-height: 16px; }
  .card-meta span { display: none; }
  .section-block { margin-block: var(--space-6); }
  .section-heading { margin-bottom: var(--space-4); line-height: 30px; }
  .card-grid { display: block; }
  .card-grid .news-card { display: grid; margin-bottom: var(--space-5); }
  .card-grid .card-image { margin: 0; }
  .card-grid .card-image img { aspect-ratio: 3/2; }
  .card-grid h2 { font-size: var(--text-card); }
  .post-title { font-size: 30px; line-height: 36px; }
  .post-description, .post-content { font-size: 18px; line-height: 28px; }
  .single-author-box { display: block; }
  .single-author-icon { max-width: 96px; margin-bottom: var(--space-5); }
  .page-description { display: none; }
  .site-footer { margin-top: var(--space-5); padding-top: 28px; }
  .footer-top { flex-direction: column; gap: var(--space-5); }
  .theme-control { flex-direction: row; align-items: center; }
  .footer-columns { grid-template-columns: 1fr; gap: var(--space-5); padding-bottom: var(--space-6); }
  .footer-columns h2 { font-size: var(--text-body); }
  .footer-columns a { font-size: var(--text-sm); }
  .footer-bottom { display: block; font-size: var(--text-xs); }
  .footer-bottom > * { display: block; margin-bottom: var(--space-2); }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}

/* Archive-computed shared chrome overrides. */
@font-face { font-family: SourceSansPro; src: url('/fonts/source-sans-semibold.woff2') format('woff2'); font-weight: 600; font-display: swap; }
.section-nav { width: 100%; max-width: 1264px; padding: 0 24px; border-bottom: 0; font: 400 16px/24px var(--font-body); }
.nav-links { border-bottom: 1px solid var(--nav-line); }
.nav-links > a { display: block; font-family: SourceSansPro, sans-serif; font-weight: 600; font-size: 16px; line-height: 57px; padding: 0 14px; }
.card-grid h2 { font-weight: 500; }
@media (min-width: 576px) and (max-width: 767.98px) { .news-card h2 { font-size: 18px; line-height: 24px; } }
@media (max-width: 767.98px) { .section-nav { padding: 0 16px; } .nav-links > a { line-height: 48px; } .nav-links.expanded > a { line-height: 24px; } }
@media (max-width: 575.98px) { .card-grid h2 { font-size: 16px; line-height: 20px; } }

/* Page-type components; content continues to flow from Markdown. */
.nav-links .live-link{margin-left:auto;color:#ef1430;gap:5px}
.live-dot{width:8px;height:8px;background:#ef1430;border-radius:50%;display:inline-block}
.news-columns{display:grid;grid-template-columns:minmax(0,800px) minmax(260px,1fr);gap:42px;align-items:start}
.live-box{border:1px solid var(--line);border-radius:2px}
.live-box h2{font-size:20px;border-bottom:1px solid var(--line);padding:16px}
.live-box h2 a{display:flex;justify-content:space-between;gap:12px}
.live-box h2 span{color:var(--blue);font-size:24px;line-height:1}
.live-box-feed{max-height:544px;overflow:auto;scrollbar-width:thin}
.live-box article{padding:16px;border-bottom:1px solid var(--line);font-size:16px;line-height:24px}
.live-box time{display:block;color:var(--muted);font-size:14px;margin-bottom:6px}
.live-box p{margin:0}
.live-box-all{display:block;padding:12px 16px;color:var(--blue);font-weight:600}
.section-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.0555fr);gap:32px;margin-bottom:32px}
.section-hero-image{position:relative;align-self:start}
.section-hero-image img{aspect-ratio:16/9;width:100%;object-fit:cover}
.section-hero h2{font-size:40px;line-height:1.25;margin:0 0 40px}
.section-hero p{font-size:16px;line-height:22px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;margin:0 0 16px}
.ranking-label{display:flex;justify-content:space-between;gap:12px;border-bottom:1px solid var(--line);font-size:12px;color:var(--blue);font-weight:600;padding:9px 0 6px}
.ranking-label span:first-child{font-size:11px;letter-spacing:.6px}
.ranking h2{font-size:22px;margin:12px 0}
.ranking ol{margin:0;padding:0;counter-reset:rank;list-style:none}
.ranking li{counter-increment:rank;position:relative;padding:6px 0 12px 26px;border-bottom:1px solid var(--line);margin-bottom:8px;font-family:var(--font-heading);font-size:16px;font-weight:700;line-height:20px}
.ranking li:before{content:counter(rank);position:absolute;left:0;color:var(--faint);font-size:24px;line-height:28px}
.ranking time{font-family:var(--font-body);font-size:12px;color:var(--muted);font-weight:400;display:block;margin-top:3px}
.topic-content{padding-top:32px;padding-bottom:64px}
.topic-content>h1{font-size:36px;text-align:center;margin-bottom:32px}
.topic-description{max-width:767.98px;margin:0 auto 32px;text-align:center;color:var(--muted)}
.topic-list{max-width:767.98px}
.topic-directory,.tag-directory{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.tag-directory a{border:1px solid var(--line);padding:16px;color:var(--blue)}
.tag-directory span{float:right;color:var(--muted)}
.article-page{padding-top:24px}
.article-page>h1{font-size:48px;line-height:56px;letter-spacing:-.6px;margin-bottom:22px}
.video-tag{display:inline-block;background:var(--badge);color:#fff;border-radius:5px;font-family:var(--font-body);font-size:24px;line-height:40px;vertical-align:8px;padding:0 11px;letter-spacing:.5px}
.video-tag.small{border-radius:2px;font-size:11px;line-height:15px;padding:0 3px;vertical-align:1px;letter-spacing:0}
.article-byline{font-size:14px;line-height:20px;margin-bottom:8px}
.article-byline>a{color:var(--blue);font-weight:600}
.article-byline p{color:var(--muted);margin:0}
.article-columns{display:grid;grid-template-columns:minmax(0,800px) minmax(260px,1fr);gap:64px}
.article-media{position:relative}
.article-media>img{width:100%;aspect-ratio:16/9;object-fit:cover}
.play-large{position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:120px;height:72px;display:grid;place-items:center;padding-left:5px;border-radius:40px;background:#0009;color:white;font-family:Arial,sans-serif;font-size:36px;z-index:1}
.poster-label{position:absolute;bottom:12px;right:16px;color:white;z-index:1;font-size:14px;font-weight:600}
.article-figure figcaption{font-size:14px;line-height:20px;margin-top:8px}
.article-figure figcaption small{font-size:12px;color:var(--muted);display:block;margin-top:4px}
.article-text{padding-left:98px;font-size:20px;line-height:32px;margin-top:32px}
.article-text p{margin:0 0 24px}
.article-lead{font-weight:600}
.article-text h2{font-family:var(--font-heading);font-size:28px;margin:40px 0 20px}
.article-text ul,.article-text ol{padding-left:24px}
.article-text a{color:var(--blue);text-decoration:underline;text-underline-offset:3px}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px}
.article-tags a{font-size:14px;line-height:20px;border:1px solid var(--line);padding:8px 12px;border-radius:3px;text-decoration:none}
.live-content{padding-top:24px;padding-bottom:64px}
.live-content>h1{font-size:48px;line-height:56px;margin-bottom:32px}
.live-timeline{width:696px;max-width:100%;margin-left:104px}
.live-tools{display:flex;gap:12px;margin-bottom:12px;font-size:14px;justify-content:space-between;align-items:center}
.live-tools>span{border:1px solid var(--line);border-radius:3px;padding:6px 12px;background:var(--surface)}
.live-tools button{background:none;border:0;padding:8px}
.live-entry{display:grid;grid-template-columns:72px minmax(0,1fr);gap:0;padding:20px 16px 24px;border-bottom:1px solid var(--line);font-size:18px;line-height:26px}
.live-entry time{color:var(--muted)}
.live-entry p{margin:0}
.related-update{display:block;padding:24px;border:1px solid var(--line);margin-top:16px;font-family:var(--font-heading);font-size:20px}
.author-bio{max-width:767.98px;margin:0 auto 40px;font-size:20px}
.author-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:32px}
.author-grid h2{margin-bottom:16px}
/* The forecast is a fixed, explicitly dated archive snapshot. */
.weather-page{--nav-active:#fff;--nav-active-text:#041e42;background:var(--weather);color:#fff}
.weather-page .global-header{background:none;border-bottom:1px solid #ffffff1c}
.weather-page .section-nav{border-color:#ffffff38}
.weather-page .nav-links>a:hover{background:#ffffff16;color:#fff}
.weather-page .site-footer{color:var(--ink)}
.weather-content{padding-top:26px}
.weather-content>h1{font-size:36px;line-height:44px;margin-bottom:14px}
.forecast-days{display:grid;grid-template-columns:repeat(7,minmax(0,1fr));gap:4px;margin-bottom:24px}
.forecast-day{background:#e1e8fb;color:#041e42;border-radius:3px;padding:8px 12px;position:relative}
.forecast-day:first-child{background:white}
.forecast-day:first-child:after{content:'';position:absolute;bottom:-7px;left:calc(50% - 7px);border-top:7px solid #fff;border-inline:7px solid transparent}
.forecast-day>div{display:flex;justify-content:space-between;gap:8px;font-family:var(--font-body);font-size:12px;font-weight:600;text-transform:uppercase}
.forecast-day>p{display:flex;justify-content:space-between;align-items:center;font-family:var(--font-heading);font-size:20px;font-weight:700;margin:2px 0 0;white-space:nowrap}
.forecast-day img{width:30px;height:30px}
.forecast-day em{color:#53617d;font-style:normal}
.weather-overview{display:grid;grid-template-columns:345px minmax(0,1fr);gap:60px;align-items:start}
.weather-card{padding:24px 16px 16px;border-radius:16px;background:white;color:#000528;min-height:420px}
.weather-current{position:relative;padding:2px 16px;height:220px}
.weather-current>span{font-size:14px;font-weight:600}
.weather-current strong{font-family:var(--font-heading);font-size:76px;line-height:80px;display:block}
.weather-current p{font-size:20px;font-weight:600}
.weather-current img{position:absolute;right:-8px;top:-14px;width:142px;height:142px}
.weather-sun{display:flex;justify-content:space-between;font-size:14px;padding:0 12px 16px}
.weather-night{background:#e1e8fb;border-radius:8px;padding:16px;position:relative}
.weather-night>span{font-size:14px;font-weight:600}
.weather-night strong{font-family:var(--font-heading);font-size:32px;display:block}
.weather-night p{font-weight:600;font-size:14px;margin:0}
.weather-night img{position:absolute;right:20px;top:20px;width:70px;height:70px}
.weather-map{position:relative;aspect-ratio:801/453;margin-top:0}
.weather-map>img{width:100%;height:100%}
.weather-pin{position:absolute;transform:translate(-50%,-50%);background:#f2f5fc;color:#000528;border-radius:3px;display:flex;align-items:center;gap:6px;padding:5px 9px;font-family:var(--font-heading);font-size:20px;font-weight:700;white-space:nowrap}
.weather-pin:after{content:'';position:absolute;bottom:-6px;left:calc(50% - 6px);border-top:6px solid #f2f5fc;border-inline:6px solid transparent}
.weather-pin img{width:26px;height:26px}
.weather-description{max-width:767.98px;margin-top:44px;font-size:18px;line-height:26px}
.weather-description h2{font-size:24px;margin:32px 0 16px}
.snapshot-note{margin:32px 0 0;color:#c6d6ff;font-size:14px}
.weather-news{padding:40px 0;margin-top:40px;background:var(--page);color:var(--ink)}
.weather-news .section-block{margin:0}
.error-page .global-header{background:#0005;position:relative;z-index:1}
.error-page .section-nav{position:relative;z-index:1;color:#fff;border-color:#ffffff40}
.error-page .nav-links>a:hover{color:#fff;background:#ffffff18}
.error-hero{height:547px;position:relative;display:grid;place-content:start center;text-align:center;color:#fff;padding:142px 24px 40px}
.error-backdrop{position:absolute;inset:-122px 0 0;z-index:-1;background:linear-gradient(#0008,#0009),url('/images/science/roman-road.webp') center/cover}
.error-hero .error-code{font-family:var(--font-heading);font-size:20px;font-weight:700;margin-bottom:32px}
.error-hero h1{font-family:var(--font-slab);font-size:28px;line-height:36px;margin-bottom:16px}
.error-hero p{font-family:var(--font-heading);font-size:28px;line-height:36px}
.primary-button{display:inline-flex;background:#003bff;color:#fff;border-radius:3px;padding:8px 16px;font-weight:600;font-size:16px;justify-self:center;margin-top:16px}
.primary-button:hover{color:white;background:#0028bf}
.error-stories{padding-top:8px}
.error-stories .section-block{margin-top:0}
@media(max-width:991.98px){.news-columns{grid-template-columns:minmax(0,2fr) minmax(230px,1fr);gap:24px}
.section-hero h2{font-size:32px;margin-bottom:24px}
.article-columns{grid-template-columns:minmax(0,2fr) minmax(230px,1fr);gap:32px}
.article-text{padding-left:40px}
.article-page>h1{font-size:40px;line-height:48px}
.weather-overview{grid-template-columns:300px minmax(0,1fr);gap:24px}
.weather-pin{font-size:14px;padding:3px 5px;gap:3px}
.weather-pin img{width:20px;height:20px}
.forecast-day{padding:8px}
.forecast-day>p{font-size:16px}
.forecast-day>div{font-size:10px}}
@media(max-width:767.98px){.nav-links .live-link{margin-left:0}
.news-columns{display:block}
.live-box{margin:32px 0}
.live-box-feed{max-height:360px}
.ranking{margin-top:32px}
.section-hero h2{font-size:30px;margin-bottom:20px}
.section-hero{gap:24px}
.article-columns{display:block}
.article-columns>.ranking{display:none}
.article-text{padding-left:0;max-width:700px;margin-inline:auto}
.article-page>h1{font-size:36px;line-height:42px;letter-spacing:0}
.video-tag{font-size:18px;line-height:30px;vertical-align:4px;border-radius:3px;padding-inline:8px}
.live-timeline{margin-left:0}
.live-content>h1{font-size:38px;line-height:44px}
.weather-overview{grid-template-columns:260px minmax(0,1fr);gap:16px}
.weather-current img{width:110px;height:110px}
.weather-current strong{font-size:64px}
.weather-current{height:190px}
.weather-card{min-height:380px}
.forecast-days{overflow:auto;grid-template-columns:repeat(7,140px);padding-bottom:8px}
.weather-map{align-self:center}
.weather-pin{font-size:12px}
.weather-pin img{display:none}
.weather-content>h1{font-size:30px}
.topic-directory,.tag-directory{grid-template-columns:repeat(2,minmax(0,1fr))}
.error-hero{height:480px;padding-top:110px}
.error-backdrop{inset:-104px 0 0}
.error-hero p{font-size:24px}}
@media(max-width:575.98px){.section-hero{display:flex;flex-direction:column;gap:16px;margin-bottom:24px}
.section-hero h2{font-size:28px;line-height:34px;margin-bottom:12px}
.section-hero p{font-size:16px;line-height:22px;-webkit-line-clamp:3;margin-bottom:8px}
.section-hero .card-meta{font-size:13px}
.topic-content{padding-top:24px;padding-bottom:32px}
.topic-content>h1{font-size:30px;margin-bottom:24px}
.topic-description{font-size:16px}
.article-page{padding-top:20px}
.article-page>h1{font-size:30px;line-height:36px;margin-bottom:16px}
.article-byline{font-size:13px;line-height:19px;margin-bottom:12px}
.article-byline span{display:none}
.article-figure figcaption{font-size:12px;line-height:17px}
.article-text{font-size:18px;line-height:28px;margin-top:24px}
.article-text h2{font-size:24px;line-height:30px;margin-top:32px}
.play-large{width:88px;height:54px;font-size:26px}
.poster-label{font-size:11px;right:8px;bottom:8px}
.live-content>h1{font-size:32px;line-height:40px;margin-bottom:24px}
.live-tools{flex-wrap:wrap;gap:8px;justify-content:start}
.live-tools>span{font-size:12px}
.live-tools button{margin-left:auto;font-size:13px}
.live-entry{grid-template-columns:48px minmax(0,1fr);padding:16px 0;font-size:17px;line-height:25px}
.live-entry time{font-size:14px}
.related-update{padding:16px;font-size:17px}
.weather-content{padding-top:20px}
.weather-content>h1{font-size:27px;line-height:34px}
.weather-overview{display:flex;flex-direction:column;gap:24px}
.weather-card{width:100%;min-height:0;display:grid;grid-template-columns:1fr 130px;gap:8px;padding:16px}
.weather-current{height:170px;padding:0 8px}
.weather-current>span{font-size:12px}
.weather-current strong{font-size:64px;line-height:70px}
.weather-current img{width:90px;height:90px;right:0;top:70px}
.weather-current p{font-size:16px}
.weather-sun{font-size:12px;grid-column:1/-1;grid-row:2;padding:4px 8px}
.weather-night{grid-column:2;grid-row:1;padding:12px}
.weather-night img{position:static;width:56px;height:56px;margin-top:8px}
.weather-night>span{font-size:12px}
.weather-night strong{font-size:28px}
.weather-map{width:100%;margin:4px 0}
.weather-pin{font-size:11px;padding:2px 4px}
.weather-description{font-size:17px;line-height:25px;margin-top:24px}
.weather-description h2{font-size:22px;margin-top:24px}
.snapshot-note{font-size:12px;margin-top:20px}
.weather-news{margin-top:24px;padding:28px 0}
.author-grid{grid-template-columns:1fr}
.author-bio{font-size:18px}
.topic-directory,.tag-directory{grid-template-columns:1fr}
.error-hero{height:500px;padding:90px 20px 40px}
.error-hero .error-code{font-size:18px;margin-bottom:24px}
.error-hero h1{font-size:25px;line-height:32px}
.error-hero p{font-size:22px;line-height:30px}
.error-backdrop{background-position:45% center}}
/* Measured component typography and final page composition. */
.sr-only { position:absolute; width:1px; height:1px; padding:0; margin:-1px; overflow:hidden; clip-path:inset(50%); white-space:nowrap; }
:root { --weather:linear-gradient(110deg,#000a50,#00288c); }
.news-columns { grid-template-columns:minmax(0,800px) minmax(260px,1fr); gap:42px; }
.article-page > h1 { max-width:1008px; font-weight:500; }
.article-text h2, .section-hero h2, .live-content > h1 { font-weight:500; }
.topic-content > h1 { line-height:42px; }
.topic-description { display:none; }
.section-heading { font-size:24px; font-weight:500; line-height:28px; }
.section-heading a { display:flex; align-items:center; justify-content:space-between; }
.section-heading span { color:var(--blue); }
.nav-links .live-link { margin-left:auto; color:#ed1c24; white-space:nowrap; }
.live-dot { display:inline-block; width:8px; height:8px; margin-right:5px; background:#ed1c24; border-radius:50%; }
.briefing-strip { display:grid; grid-template-columns:1fr 1fr 1fr 1fr; gap:24px; border-block:1px solid var(--line); padding:24px 0; }
.briefing-strip h2 { font-size:22px; }
.briefing-strip a time { display:block; color:var(--muted); font-size:14px; }
.briefing-strip a span { font-weight:600; }
.section-note, .briefing-note { color:var(--muted); font-size:14px; }
.briefing-note { margin-top:-16px; margin-bottom:28px; }
.video-section { padding:24px; background:var(--footer); }
.weather-page .section-nav { --nav-ink:#fff; color:#fff; }
.weather-content > h1 { font-weight:500; }
.error-backdrop { z-index:0; }
.error-hero > :not(.error-backdrop) { position:relative; z-index:1; }
.error-page .site-main { position:relative; }
.error-page .section-nav { color:#fff; }
.error-page .nav-links { border-color:#ffffff40; }
.error-hero h1 { font-family:var(--font-heading); font-weight:700; }
@media (max-width: 991.98px) { .news-columns { grid-template-columns:minmax(0,1fr) 280px; gap:24px; } }
@media (max-width: 767.98px) {
 .news-columns { display:block; }
 .nav-links .live-link { margin-left:0; }
 .briefing-strip { grid-template-columns:1fr; gap:12px; }
 .briefing-strip > a { display:flex; gap:16px; }
 .article-page > h1 { font-size:36px; line-height:42px; }
 .weather-page .nav-links.expanded { color:var(--ink); }
}
@media (max-width:575.98px) {
 .article-page > h1 { font-size:30px; line-height:36px; }
 .video-section { padding:16px; }
}
/* The archive navigation rule sits inside its 57px row. */
.nav-links { position:relative; border-bottom:0; }
.nav-links::before { content:''; position:absolute; inset-inline:0; bottom:0; border-bottom:1px solid var(--nav-line); pointer-events:none; }
.sections-menu, .mobile-live { display:none; }
@media (max-width:767.98px) {
 .section-nav { position:relative; display:flex; align-items:center; justify-content:space-between; padding:0; border-bottom:1px solid var(--nav-line); }
 .sections-menu { display:flex; align-items:center; gap:12px; height:48px; padding:0 0 0 16px; border:0; background:none; font-weight:600; }
 .mobile-live { display:block; padding-right:16px; color:#ed1c24; font-size:14px; font-weight:600; }
 .card-summary { display:none; line-height:24px; }
 .nav-links { display:none; }
 .nav-links.expanded { position:absolute; inset:48px 0 auto; z-index:10; display:grid; border-bottom:1px solid var(--line); padding:12px 16px; }
 .error-page .nav-links.expanded { color:var(--ink); }
 .error-page .nav-links.expanded > a:hover { color:var(--blue); }
}
/* Measured list geometry: the archive changes its sidebar at 1200px. */
@media (min-width:1200px) {
 .news-columns { grid-template-columns:minmax(0,calc((100% - 48px) * 2 / 3)) minmax(0,1fr); gap:64px; }
}
@media (max-width:1279.98px) { :root { --page-inset:16px; } }
@media (max-width:1199.98px) {
 .news-columns { display:block; }
 .news-columns > .story-list, .news-columns > .live-box { max-width:768px; }
 .news-columns > .live-box { margin-block:32px; }
}
@media (min-width:768px) { :root { --card-image-width:228px; } .card-grid h2 { font-size:21px; line-height:26px; } }
@media (min-width:576px) and (max-width:767.98px) { :root { --card-image-width:144px; } }