:root {
  --bg: #f7f8fb;
  --surface: #ffffff;
  --surface-2: #f0f3f8;
  --text: #182033;
  --muted: #61708a;
  --border: #dfe5ee;
  --border-strong: #cbd4e1;
  --brand: #f48120;
  --brand-2: #ffb04a;
  --brand-soft: #fff2e5;
  --blue: #3c69e8;
  --green: #179b72;
  --purple: #7857d8;
  --red: #d84c4c;
  --shadow-sm: 0 8px 24px rgba(21, 32, 58, .06);
  --shadow: 0 20px 60px rgba(21, 32, 58, .12);
  --radius-sm: 12px;
  --radius: 20px;
  --radius-lg: 30px;
  --shell: min(1380px, calc(100% - 36px));
  --header-h: 72px;
  color-scheme: light;
}

html[data-theme="dark"] {
  --bg: #0d1119;
  --surface: #151b27;
  --surface-2: #1c2432;
  --text: #f1f4f9;
  --muted: #a9b4c6;
  --border: #2a3445;
  --border-strong: #3c485d;
  --brand-soft: #352415;
  --shadow-sm: 0 8px 24px rgba(0, 0, 0, .2);
  --shadow: 0 20px 60px rgba(0, 0, 0, .35);
  color-scheme: dark;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: calc(var(--header-h) + 18px); }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.68;
  text-rendering: optimizeLegibility;
}
img, svg { max-width: 100%; }
a { color: var(--blue); text-decoration-thickness: 1px; text-underline-offset: 3px; }
a:hover { text-decoration-thickness: 2px; }
button, input, select { font: inherit; }
button { color: inherit; }
code, pre { font-family: "SFMono-Regular", Consolas, "Liberation Mono", monospace; }
code { padding: .12em .35em; border-radius: 6px; background: var(--surface-2); font-size: .9em; }
pre { overflow: auto; padding: 18px; border-radius: 14px; background: #101722; color: #eef4ff; }
pre code { padding: 0; background: transparent; }

.skip-link { position: fixed; top: 10px; left: 10px; z-index: 200; transform: translateY(-150%); background: var(--text); color: var(--surface); padding: 10px 14px; border-radius: 8px; }
.skip-link:focus { transform: none; }
.shell { width: var(--shell); margin-inline: auto; }
.reading-progress { position: fixed; inset: 0 0 auto; height: 3px; z-index: 220; background: transparent; }
.reading-progress span { display: block; width: 0; height: 100%; background: linear-gradient(90deg, var(--brand), var(--brand-2)); }

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-h);
  border-bottom: 1px solid color-mix(in srgb, var(--border) 80%, transparent);
  background: color-mix(in srgb, var(--bg) 88%, transparent);
  backdrop-filter: blur(18px);
}
.header-inner { height: 100%; display: flex; align-items: center; gap: 22px; }
.brand { display: flex; align-items: center; gap: 11px; color: var(--text); text-decoration: none; min-width: 240px; }
.brand-mark { width: 42px; height: 42px; border-radius: 13px; display: grid; place-items: center; background: linear-gradient(135deg, var(--brand), var(--brand-2)); color: white; box-shadow: 0 8px 22px rgba(244,129,32,.28); }
.brand-mark svg { width: 28px; }
.brand-copy { display: grid; line-height: 1.12; }
.brand-copy strong { font-size: 15px; letter-spacing: -.01em; }
.brand-copy small { color: var(--muted); font-size: 11px; margin-top: 4px; }
.main-nav { display: flex; align-items: center; justify-content: center; gap: 4px; margin-left: auto; }
.main-nav a { color: var(--muted); text-decoration: none; padding: 9px 11px; border-radius: 10px; font-weight: 700; font-size: 13px; white-space: nowrap; }
.main-nav a:hover, .main-nav a[aria-current="page"] { color: var(--text); background: var(--surface); box-shadow: var(--shadow-sm); }
.header-actions { display: flex; gap: 8px; margin-left: 4px; }
.icon-button { width: 42px; height: 42px; border: 1px solid var(--border); border-radius: 12px; background: var(--surface); display: grid; place-items: center; cursor: pointer; box-shadow: var(--shadow-sm); }
.icon-button:hover { transform: translateY(-1px); border-color: var(--border-strong); }
.icon-button svg { width: 20px; fill: none; stroke: currentColor; stroke-width: 1.8; stroke-linecap: round; stroke-linejoin: round; }
.mobile-menu-button { display: none; }
.mobile-drawer { display: none; }

.hero { position: relative; padding: 72px 0 46px; overflow: hidden; }
.hero::before { content: ""; position: absolute; width: 760px; height: 760px; border-radius: 50%; top: -480px; right: -230px; background: radial-gradient(circle, rgba(244,129,32,.25), rgba(244,129,32,0) 68%); pointer-events: none; }
.hero-grid { display: grid; grid-template-columns: minmax(0,1.25fr) minmax(340px,.75fr); gap: 54px; align-items: center; }
.eyebrow { display: inline-flex; align-items: center; gap: 8px; color: var(--brand); font-weight: 850; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.eyebrow::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: var(--brand); box-shadow: 0 0 0 6px rgba(244,129,32,.12); }
.hero h1 { margin: 18px 0 18px; font-size: clamp(42px, 6vw, 76px); letter-spacing: -.055em; line-height: .99; max-width: 980px; }
.gradient-text { background: linear-gradient(100deg, var(--brand), #e64b6b 54%, var(--purple)); -webkit-background-clip: text; background-clip: text; color: transparent; }
.hero-lede { max-width: 860px; font-size: clamp(18px, 2vw, 23px); color: var(--muted); line-height: 1.52; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 30px; }
.button { display: inline-flex; align-items: center; justify-content: center; gap: 8px; min-height: 46px; padding: 0 18px; border-radius: 13px; border: 1px solid transparent; text-decoration: none; font-weight: 800; cursor: pointer; }
.button-primary { color: white; background: linear-gradient(135deg, var(--brand), #ee6d22); box-shadow: 0 12px 28px rgba(244,129,32,.26); }
.button-secondary { color: var(--text); background: var(--surface); border-color: var(--border); box-shadow: var(--shadow-sm); }
.button-ghost { color: var(--text); background: transparent; border-color: var(--border); }
.button:hover { transform: translateY(-1px); text-decoration: none; }

.hero-map { display: grid; gap: 12px; padding: 22px; border: 1px solid var(--border); border-radius: var(--radius-lg); background: color-mix(in srgb, var(--surface) 92%, transparent); box-shadow: var(--shadow); }
.layer-card { display: grid; grid-template-columns: 44px 1fr auto; gap: 13px; align-items: center; padding: 15px; border-radius: 16px; background: var(--surface-2); border: 1px solid transparent; }
.layer-card:hover { border-color: var(--border-strong); transform: translateX(3px); }
.layer-icon { width: 44px; height: 44px; border-radius: 13px; display: grid; place-items: center; font-weight: 900; background: var(--surface); box-shadow: var(--shadow-sm); }
.layer-copy { line-height: 1.25; }
.layer-copy strong { display: block; font-size: 14px; }
.layer-copy small { color: var(--muted); font-size: 12px; }
.layer-card span:last-child { color: var(--muted); font-weight: 800; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; margin-top: 42px; }
.metric { padding: 22px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-sm); }
.metric strong { display: block; font-size: clamp(27px,3vw,38px); letter-spacing: -.04em; line-height: 1; }
.metric span { display: block; margin-top: 9px; color: var(--muted); font-weight: 700; font-size: 13px; }

.section { padding: 70px 0; }
.section-soft { background: var(--surface-2); border-block: 1px solid var(--border); }
.section-heading { max-width: 900px; margin-bottom: 30px; }
.section-heading .kicker { color: var(--brand); font-weight: 900; text-transform: uppercase; letter-spacing: .09em; font-size: 12px; }
.section-heading h2 { margin: 10px 0 12px; font-size: clamp(30px,4vw,50px); line-height: 1.08; letter-spacing: -.04em; }
.section-heading p { color: var(--muted); font-size: 18px; }

.card-grid { display: grid; grid-template-columns: repeat(4, minmax(0,1fr)); gap: 18px; }
.portal-card { position: relative; display: flex; flex-direction: column; min-height: 280px; padding: 26px; color: var(--text); text-decoration: none; border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; }
.portal-card::after { content: ""; position: absolute; width: 150px; height: 150px; right: -65px; bottom: -65px; border-radius: 50%; background: var(--accent, var(--brand)); opacity: .09; }
.portal-card:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: color-mix(in srgb, var(--accent, var(--brand)) 45%, var(--border)); text-decoration: none; }
.portal-icon { width: 52px; height: 52px; border-radius: 16px; display: grid; place-items: center; background: color-mix(in srgb, var(--accent, var(--brand)) 14%, var(--surface)); color: var(--accent, var(--brand)); font-weight: 900; font-size: 20px; }
.portal-card h3 { margin: 22px 0 8px; font-size: 21px; line-height: 1.2; }
.portal-card p { color: var(--muted); margin: 0 0 18px; }
.portal-meta { display: flex; flex-wrap: wrap; gap: 7px; margin-top: auto; }
.pill { display: inline-flex; align-items: center; min-height: 28px; padding: 0 10px; border-radius: 999px; background: var(--surface-2); color: var(--muted); font-size: 11px; font-weight: 850; letter-spacing: .02em; }

.clarity-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.clarity-card { padding: 28px; border: 1px solid var(--border); border-radius: 22px; background: var(--surface); }
.clarity-card h3 { margin: 0 0 10px; font-size: 22px; }
.clarity-card p { color: var(--muted); }
.check-list { list-style: none; padding: 0; margin: 18px 0 0; display: grid; gap: 10px; }
.check-list li { display: grid; grid-template-columns: 24px 1fr; gap: 10px; align-items: start; }
.check-list li::before { content: "✓"; width: 22px; height: 22px; border-radius: 50%; display: grid; place-items: center; background: color-mix(in srgb, var(--green) 14%, var(--surface)); color: var(--green); font-size: 12px; font-weight: 900; }
.note { padding: 18px 20px; border: 1px solid color-mix(in srgb, var(--brand) 30%, var(--border)); background: var(--brand-soft); border-radius: 16px; color: var(--text); }
.note strong { color: var(--brand); }

.search-panel { margin-top: 28px; padding: 22px; border: 1px solid var(--border); border-radius: 22px; background: var(--surface); box-shadow: var(--shadow-sm); }
.search-row { display: grid; grid-template-columns: 1fr auto; gap: 10px; }
.search-input-wrap { position: relative; }
.search-input-wrap svg { position: absolute; left: 15px; top: 50%; width: 20px; transform: translateY(-50%); fill: none; stroke: var(--muted); stroke-width: 2; }
.search-input { width: 100%; min-height: 52px; padding: 0 16px 0 47px; border: 1px solid var(--border); border-radius: 14px; background: var(--bg); color: var(--text); outline: none; }
.search-input:focus { border-color: var(--brand); box-shadow: 0 0 0 4px rgba(244,129,32,.12); }
.search-results { display: grid; gap: 10px; margin-top: 14px; }
.search-result { display: grid; grid-template-columns: 94px 1fr auto; gap: 14px; align-items: start; padding: 15px; color: var(--text); text-decoration: none; border: 1px solid var(--border); border-radius: 14px; background: var(--bg); }
.search-result:hover { border-color: var(--brand); text-decoration: none; }
.result-type { color: var(--brand); font-size: 11px; font-weight: 900; text-transform: uppercase; letter-spacing: .08em; }
.result-copy strong { display: block; line-height: 1.25; }
.result-copy small { color: var(--muted); display: block; margin-top: 5px; line-height: 1.45; }
.search-empty { color: var(--muted); padding: 12px 0; }

.page-hero { padding: 54px 0 30px; border-bottom: 1px solid var(--border); background: linear-gradient(180deg, color-mix(in srgb, var(--brand-soft) 60%, var(--bg)), var(--bg)); }
.page-hero h1 { margin: 12px 0; font-size: clamp(38px,5vw,66px); line-height: 1.03; letter-spacing: -.05em; }
.page-hero p { max-width: 900px; color: var(--muted); font-size: 19px; }
.page-actions { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 22px; }
.page-stats { display: flex; flex-wrap: wrap; gap: 9px; margin-top: 22px; }
.page-stat { padding: 8px 12px; border-radius: 999px; background: var(--surface); border: 1px solid var(--border); color: var(--muted); font-size: 12px; font-weight: 800; }

.content-layout { width: var(--shell); margin: 0 auto; display: grid; grid-template-columns: 290px minmax(0,1fr); gap: 34px; padding: 36px 0 90px; }
.sidebar { position: sticky; top: calc(var(--header-h) + 20px); align-self: start; max-height: calc(100vh - var(--header-h) - 40px); overflow: auto; padding: 18px; border: 1px solid var(--border); border-radius: 18px; background: var(--surface); box-shadow: var(--shadow-sm); }
.sidebar-title { margin: 0 0 12px; font-size: 14px; }
.sidebar-filter { width: 100%; min-height: 42px; padding: 0 12px; margin-bottom: 12px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); color: var(--text); }
.toc { display: grid; gap: 2px; }
.toc a { display: block; padding: 7px 9px; border-radius: 9px; color: var(--muted); text-decoration: none; font-size: 12px; line-height: 1.35; }
.toc a:hover, .toc a.active { color: var(--text); background: var(--surface-2); }
.sidebar-actions { display: grid; grid-template-columns: 1fr 1fr; gap: 8px; margin-bottom: 14px; }
.small-button { min-height: 36px; padding: 0 10px; border: 1px solid var(--border); border-radius: 10px; background: var(--bg); cursor: pointer; font-size: 11px; font-weight: 850; }

.article { min-width: 0; }
.archive-toolbar { position: sticky; top: calc(var(--header-h) + 10px); z-index: 20; display: flex; gap: 10px; align-items: center; margin-bottom: 20px; padding: 12px; border: 1px solid var(--border); border-radius: 15px; background: color-mix(in srgb, var(--surface) 92%, transparent); backdrop-filter: blur(16px); box-shadow: var(--shadow-sm); }
.archive-toolbar .search-input { min-height: 44px; }
.category-select { min-height: 44px; max-width: 250px; padding: 0 12px; border: 1px solid var(--border); border-radius: 12px; background: var(--bg); color: var(--text); }
.result-count { white-space: nowrap; color: var(--muted); font-size: 12px; font-weight: 800; }

.research-section, .method-section { scroll-margin-top: calc(var(--header-h) + 90px); margin-bottom: 20px; border: 1px solid var(--border); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; }
.section-summary { list-style: none; display: grid; grid-template-columns: 1fr auto; gap: 18px; align-items: center; padding: 22px 24px; cursor: pointer; }
.section-summary::-webkit-details-marker { display: none; }
.section-summary h2 { margin: 0; font-size: clamp(22px,3vw,31px); line-height: 1.15; letter-spacing: -.025em; }
.section-summary .section-category { display: block; margin-bottom: 7px; color: var(--brand); font-weight: 900; text-transform: uppercase; letter-spacing: .08em; font-size: 10px; }
.chevron { width: 34px; height: 34px; border-radius: 50%; display: grid; place-items: center; background: var(--surface-2); transition: transform .2s ease; }
details[open] > .section-summary .chevron { transform: rotate(180deg); }
.section-body { padding: 4px 24px 32px; border-top: 1px solid var(--border); }
.section-body h2, .section-body h3, .section-body h4 { line-height: 1.22; letter-spacing: -.02em; scroll-margin-top: calc(var(--header-h) + 110px); }
.section-body h2 { font-size: 27px; margin-top: 32px; }
.section-body h3 { font-size: 21px; margin-top: 28px; }
.section-body h4 { font-size: 17px; margin-top: 24px; }
.section-body p, .section-body li { max-width: 950px; }
.section-body blockquote { margin: 24px 0; padding: 16px 20px; border-left: 4px solid var(--brand); background: var(--brand-soft); border-radius: 0 14px 14px 0; }
.section-body blockquote p { margin: 0; }
.section-body hr { border: 0; border-top: 1px solid var(--border); margin: 34px 0; }
.section-body ul, .section-body ol { padding-left: 24px; }
.section-body li + li { margin-top: 5px; }
.table-wrap { width: 100%; overflow-x: auto; margin: 24px 0; border: 1px solid var(--border); border-radius: 14px; }
table { width: 100%; border-collapse: collapse; min-width: 680px; background: var(--surface); }
th, td { padding: 12px 14px; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; font-size: 13px; }
th { position: sticky; top: 0; background: var(--surface-2); font-size: 11px; text-transform: uppercase; letter-spacing: .055em; }
tr:last-child td { border-bottom: 0; }
mark { background: #ffe08a; color: #2c250a; padding: 0 .12em; border-radius: 3px; }
.hidden { display: none !important; }

.conversation-list { display: grid; gap: 18px; }
.message-card { border: 1px solid var(--border); border-radius: 20px; background: var(--surface); box-shadow: var(--shadow-sm); overflow: hidden; scroll-margin-top: calc(var(--header-h) + 90px); }
.message-card[data-role="user"] { border-left: 5px solid var(--blue); }
.message-card[data-role="assistant"] { border-left: 5px solid var(--brand); }
.message-head { list-style: none; display: grid; grid-template-columns: auto 1fr auto; gap: 14px; align-items: center; padding: 20px; cursor: pointer; }
.message-head::-webkit-details-marker { display: none; }
.role-badge { min-width: 84px; height: 34px; padding: 0 12px; border-radius: 999px; display: inline-grid; place-items: center; text-transform: uppercase; letter-spacing: .08em; font-size: 10px; font-weight: 900; background: var(--surface-2); }
.message-card[data-role="user"] .role-badge { color: var(--blue); background: color-mix(in srgb, var(--blue) 12%, var(--surface)); }
.message-card[data-role="assistant"] .role-badge { color: var(--brand); background: var(--brand-soft); }
.message-title { line-height: 1.3; }
.message-title strong { display: block; font-size: 16px; }
.message-title small { color: var(--muted); }
.message-body { padding: 0 24px 30px; border-top: 1px solid var(--border); }
.message-body h1 { font-size: 32px; line-height: 1.1; }
.message-body h2 { font-size: 25px; }
.message-body h3 { font-size: 20px; }
.message-body > * { max-width: 1000px; }
.message-word-count { color: var(--muted); font-size: 11px; font-weight: 800; white-space: nowrap; }

.source-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 15px; }
.source-card { padding: 20px; border: 1px solid var(--border); border-radius: 17px; background: var(--surface); box-shadow: var(--shadow-sm); }
.source-domain { color: var(--brand); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; font-weight: 900; }
.source-card h3 { margin: 8px 0 6px; font-size: 16px; line-height: 1.35; }
.source-card p { color: var(--muted); font-size: 13px; margin: 0 0 14px; }
.source-card a { font-weight: 800; font-size: 13px; }

.download-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 14px; }
.download-card { padding: 18px; border: 1px solid var(--border); border-radius: 16px; background: var(--surface); }
.download-card strong { display: block; }
.download-card small { color: var(--muted); }
.download-card a { display: inline-flex; margin-top: 12px; font-weight: 800; }

.footer { padding: 42px 0; border-top: 1px solid var(--border); background: var(--surface); }
.footer-grid { display: grid; grid-template-columns: 1.2fr .8fr; gap: 30px; }
.footer p { color: var(--muted); max-width: 780px; }
.footer-links { display: flex; flex-wrap: wrap; align-items: start; justify-content: flex-end; gap: 9px 14px; }
.footer-links a { font-weight: 750; font-size: 13px; }

@media (max-width: 1180px) {
  .main-nav { display: none; }
  .mobile-menu-button { display: grid; }
  .header-actions { margin-left: auto; }
  .mobile-drawer.open { display: grid; position: fixed; z-index: 99; top: var(--header-h); left: 0; right: 0; padding: 16px 18px 22px; border-bottom: 1px solid var(--border); background: var(--surface); box-shadow: var(--shadow); }
  .mobile-drawer a { padding: 12px 10px; border-radius: 10px; color: var(--text); text-decoration: none; font-weight: 800; }
  .mobile-drawer a:hover { background: var(--surface-2); }
  .hero-grid { grid-template-columns: 1fr; }
  .hero-map { max-width: 760px; }
  .card-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
  .source-grid { grid-template-columns: repeat(2,minmax(0,1fr)); }
}

@media (max-width: 900px) {
  :root { --shell: min(100% - 28px, 760px); }
  .content-layout { grid-template-columns: 1fr; }
  .sidebar { position: static; max-height: none; display: none; }
  .archive-toolbar { top: calc(var(--header-h) + 6px); flex-wrap: wrap; }
  .archive-toolbar .search-input-wrap { flex: 1 1 100%; }
  .category-select { flex: 1; max-width: none; }
  .metric-grid { grid-template-columns: repeat(2,1fr); }
  .clarity-grid { grid-template-columns: 1fr; }
  .download-grid { grid-template-columns: 1fr 1fr; }
}

@media (max-width: 620px) {
  :root { --header-h: 64px; --shell: calc(100% - 22px); }
  .site-header { height: var(--header-h); }
  .brand { min-width: 0; }
  .brand-mark { width: 38px; height: 38px; }
  .brand-copy strong { font-size: 13px; }
  .brand-copy small { display: none; }
  .header-actions .icon-button:first-child { display: none; }
  .hero { padding: 48px 0 36px; }
  .hero h1 { font-size: 43px; }
  .hero-lede { font-size: 18px; }
  .hero-actions { display: grid; }
  .button { width: 100%; }
  .hero-map { padding: 14px; border-radius: 22px; }
  .layer-card { grid-template-columns: 40px 1fr; }
  .layer-card > span:last-child { display: none; }
  .metric-grid, .card-grid, .source-grid, .download-grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .portal-card { min-height: 230px; }
  .page-hero { padding: 38px 0 24px; }
  .page-hero h1 { font-size: 39px; }
  .page-hero p { font-size: 17px; }
  .content-layout { padding-top: 22px; gap: 20px; }
  .archive-toolbar { padding: 9px; }
  .category-select { width: 100%; flex-basis: 100%; }
  .result-count { width: 100%; padding-left: 4px; }
  .research-section, .method-section, .message-card { border-radius: 16px; }
  .section-summary { padding: 18px; }
  .section-summary h2 { font-size: 21px; }
  .section-body { padding: 2px 18px 25px; }
  .message-head { grid-template-columns: 1fr auto; gap: 9px; }
  .role-badge { grid-column: 1; justify-self: start; min-width: 74px; }
  .message-title { grid-column: 1 / -1; grid-row: 2; }
  .message-word-count { grid-column: 2; grid-row: 1; }
  .message-body { padding: 0 18px 26px; }
  .message-body h1 { font-size: 27px; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-links { justify-content: flex-start; }
  .search-result { grid-template-columns: 1fr auto; }
  .result-type { grid-column: 1 / -1; }
}

@media print {
  .site-header, .reading-progress, .sidebar, .archive-toolbar, .page-actions, .footer, .mobile-drawer { display: none !important; }
  body { background: white; color: black; font-size: 11pt; }
  .page-hero { padding: 0 0 20px; background: white; }
  .content-layout { display: block; width: 100%; padding: 0; }
  .research-section, .method-section, .message-card { border: 0; box-shadow: none; break-inside: avoid; }
  details { display: block; }
  details > * { display: block !important; }
  .section-summary, .message-head { padding-left: 0; padding-right: 0; }
  .section-body, .message-body { padding-left: 0; padding-right: 0; }
  a { color: black; text-decoration: underline; }
}