:root {
  --bg: #101518;
  --surface: #171e21;
  --surface-hover: #20292d;
  --text: #f3f4f0;
  --text-secondary: #bcc5c7;
  --muted: #a3afb3;
  --line: #354044;
  --brand: #d4b977;
  --brand-hover: #e8d5a7;
  --brand-soft: #252720;
  --button-text: #171b1b;
  --footer: #0b1012;
  --header: #101518;
  color-scheme: dark;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  font-size: 16px;
  color: var(--text);
  background: var(--bg);
  text-rendering: optimizeLegibility;
  -webkit-font-smoothing: antialiased;
}
:root[data-theme="light"] {
  --bg: #f3f4f0;
  --surface: #e9ece6;
  --surface-hover: #dfe4dc;
  --text: #172024;
  --text-secondary: #47565a;
  --muted: #58686d;
  --line: #c8d0c9;
  --brand: #796029;
  --brand-hover: #574114;
  --brand-soft: #e9e3d3;
  --button-text: #fffdf6;
  --footer: #e7eae4;
  --header: #f3f4f0;
  color-scheme: light;
}
* { box-sizing: border-box; }
[hidden] { display: none !important; }
html { scroll-behavior: smooth; scroll-padding-top: 106px; }
body { margin: 0; }
button, input { font: inherit; }
a, button, input { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
a { color: inherit; text-decoration: none; }
button { color: inherit; cursor: pointer; }
img, video, iframe { max-width: 100%; }
img { height: auto; }
h1, h2, h3, h4, p { margin-top: 0; }
a:focus-visible, button:focus-visible, input:focus-visible, summary:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 5px;
}
::selection { background: var(--brand); color: var(--button-text); }
.wrap { width: min(1160px, calc(100% - 80px)); margin-inline: auto; }
.icon { flex-shrink: 0; vertical-align: middle; }
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.skip-link {
  position: fixed;
  top: -90px;
  left: 20px;
  z-index: 100;
  padding: 12px 20px;
  background: var(--brand);
  color: var(--button-text);
}
.skip-link:focus { top: 12px; }
.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  min-height: 44px;
  padding: 10px 18px;
  border: 1px solid transparent;
  border-radius: 2px;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.5;
  white-space: nowrap;
  transition: transform 180ms ease, background-color 180ms ease, border-color 180ms ease;
}
.button .icon { width: 16px; height: 16px; }
.button-primary { background: var(--brand); color: var(--button-text); }
.button-primary:hover { background: var(--brand-hover); }
.button-soft { border-color: var(--line); color: var(--brand); }
.button-soft:hover { border-color: var(--brand); background: var(--brand-soft); }
.button:active, .header-download:active { transform: translateY(1px) scale(0.98); transition-duration: 80ms; }
.text-link {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  font-weight: 500;
  color: var(--brand);
}
.text-link .icon { width: 17px; height: 17px; }
.text-link:hover { color: var(--brand-hover); text-decoration: underline; text-underline-offset: 5px; }
.text-link:active { transform: translateX(2px); }
.eyebrow, .mini-label {
  font-size: 13px;
  line-height: 1.6;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--brand);
}
.muted { color: var(--muted); }
.site-header { position: sticky; top: 0; z-index: 30; background: var(--header); border-bottom: 1px solid var(--line); }
.header-inner { display: flex; align-items: center; min-height: 88px; gap: 26px; }
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; }
.brand img { width: 34px; height: 34px; border-radius: 50%; }
.brand > span { font-size: 25px; font-weight: 600; line-height: 1.2; letter-spacing: 0.06em; }
.brand small { display: block; margin-top: 6px; color: var(--muted); font-size: 13px; font-weight: 400; letter-spacing: 0.06em; }
.site-nav { display: flex; align-items: center; gap: 22px; margin-left: auto; }
.site-nav a { position: relative; padding-block: 13px; font-size: 14px; white-space: nowrap; color: var(--text-secondary); }
.site-nav a:hover, .site-nav a[aria-current="page"] { color: var(--text); }
.site-nav a[aria-current="page"]::after { content: ""; position: absolute; bottom: 3px; left: 0; width: 100%; height: 1px; background: var(--brand); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-download { display: inline-flex; align-items: center; gap: 8px; min-height: 40px; color: var(--brand); font-size: 13px; white-space: nowrap; transition: transform 180ms ease; }
.header-download .icon { width: 14px; height: 14px; }
.search-link { display: flex; align-items: center; justify-content: center; width: 36px; min-height: 40px; color: var(--text-secondary); }
.search-link span { display: none; }
.search-link .icon { width: 19px; height: 19px; }
.icon-button { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 40px; padding: 0; background: transparent; border: 0; color: var(--text-secondary); }
.icon-button:hover, .search-link:hover { color: var(--brand); }
.icon-button .icon { width: 19px; height: 19px; }
.theme-toggle { position: relative; display: none; }
.has-js .theme-toggle { display: inline-flex; }
.theme-toggle .icon { position: absolute; transition: transform 220ms ease, opacity 180ms ease; }
.theme-toggle .theme-moon { transform: rotate(-45deg) scale(0.65); opacity: 0; }
.theme-toggle .theme-sun { transform: rotate(0) scale(1); opacity: 1; }
:root[data-theme="light"] .theme-moon { transform: rotate(0) scale(1); opacity: 1; }
:root[data-theme="light"] .theme-sun { transform: rotate(45deg) scale(0.65); opacity: 0; }
.menu-toggle, .menu-close-icon { display: none; }
.home-essentials { display: grid; grid-template-columns: 1.05fr 1.65fr; gap: 38px; align-items: center; padding-block: 25px; border-bottom: 1px solid var(--line); }
.app-entry { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.app-entry-copy { display: grid; grid-template-columns: 24px 1fr; column-gap: 10px; align-items: center; }
.app-entry-copy > .entry-icon { width: 24px; height: 24px; color: var(--brand); }
.app-entry strong { font-size: 18px; font-weight: 550; }
.app-entry p { grid-column: 2; margin: 7px 0 0; color: var(--muted); font-size: 13px; line-height: 1.6; }
.app-entry .button { flex-shrink: 0; }
.quick-tools { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.quick-tools > a { position: relative; padding: 3px 23px; border-left: 1px solid var(--line); }
.quick-tools > a:last-child { padding-right: 0; }
.quick-tools strong { display: block; font-size: 15px; line-height: 1.6; font-weight: 500; }
.quick-tools small { display: block; margin-top: 7px; max-width: 9em; color: var(--muted); font-size: 13px; line-height: 1.6; }
.quick-tools .quick-tool-symbol { display: block; width: 24px; height: 24px; margin-bottom: 10px; color: var(--brand); }
.quick-tools .quick-tool-direction { position: absolute; right: 12px; top: 6px; width: 14px; height: 14px; color: var(--muted); }
.quick-tools > a:last-child .quick-tool-direction { right: 0; }
.quick-tools > a:hover strong { color: var(--brand); }
.home-lead { display: grid; grid-template-columns: minmax(0, 1.65fr) minmax(0, 1fr); grid-template-areas: "lead sky" "observations observations" "secondary secondary"; gap: 32px 54px; padding-top: 42px; }
.lead-story { grid-area: lead; padding-right: 10px; }
.lead-sky { grid-area: sky; align-self: start; min-width: 0; margin: 0; }
.lead-sky-image { height: 300px; background: #12162c; overflow: hidden; }
.lead-sky-image img { display: block; width: 100%; height: 100%; object-fit: cover; object-position: 44% 70%; }
.lead-sky figcaption { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding-top: 14px; color: var(--muted); font-size: 13px; line-height: 1.6; }
.lead-sky figcaption > span { display: inline-flex; align-items: center; gap: 8px; }
.lead-sky figcaption > span .icon { width: 17px; height: 17px; color: var(--brand); }
.lead-sky figcaption .text-link { font-size: 13px; }
.home-lead > .observation-panel { grid-area: observations; }
.lead-story > .eyebrow { margin-bottom: 21px; }
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 10px; color: var(--muted); font-size: 13px; line-height: 1.8; font-variant-numeric: tabular-nums; }
.article-meta > a { color: var(--brand); }
.article-meta > a:hover { text-decoration: underline; text-underline-offset: 4px; }
.meta-dot { opacity: 0.65; }
.lead-story h1 { max-width: 15em; margin: 19px 0 23px; font-size: clamp(35px, 3.7vw, 50px); line-height: 1.3; font-weight: 600; letter-spacing: -0.03em; text-wrap: pretty; overflow-wrap: anywhere; }
.lead-story .title-qualifier { display: inline-block; max-width: 100%; }
.lead-story h1 a:hover { color: var(--brand-hover); }
.lead-description { max-width: 37em; margin-bottom: 25px; color: var(--text-secondary); font-size: 17px; line-height: 1.9; }
.lead-read { padding-block: 5px; }
.lead-stories { grid-area: secondary; min-width: 0; }
.lead-stories > h2 { margin-bottom: 12px; color: var(--muted); }
.lead-stories > .article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 54px; }
.article-row { display: flex; align-items: center; justify-content: space-between; gap: 24px; border-bottom: 1px solid var(--line); padding-block: 26px; }
.article-row-text { min-width: 0; }
.article-row h3 { margin: 9px 0 12px; font-size: 23px; line-height: 1.5; font-weight: 550; text-wrap: pretty; overflow-wrap: anywhere; }
.article-row h3 a:hover { color: var(--brand); }
.article-row p { margin-bottom: 0; font-size: 16px; color: var(--text-secondary); line-height: 1.85; }
.lead-stories .article-row { align-items: flex-start; padding-block: 12px 25px; }
.lead-stories .article-row h3 { font-size: 22px; margin-top: 12px; }
.row-arrow { color: var(--brand); }
.row-arrow .icon { width: 18px; height: 18px; }
.article-list-compact .article-row { padding-block: 22px; }
.article-list-compact .article-row h3 { margin-bottom: 0; font-size: 20px; }
.observation-panel { display: grid; grid-template-columns: 275px minmax(0, 1fr); border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); padding-block: 27px; }
.moon-observation { padding-right: 32px; border-right: 1px solid var(--line); }
.moon-observation > .mini-label { margin-bottom: 12px; color: var(--muted); }
.moon-summary { display: flex; align-items: center; gap: 14px; min-height: 44px; font-size: 16px; line-height: 1.6; }
.moon-summary img { display: block; width: 42px; height: 42px; }
.moon-fallback .icon { width: 36px; height: 36px; color: var(--brand); }
.moon-observation > .text-link { margin-top: 12px; }
.event-summary { padding-left: 36px; }
.observation-heading { display: flex; align-items: center; justify-content: space-between; gap: 20px; }
.observation-heading h2 { font-size: 18px; line-height: 1.5; font-weight: 550; margin: 0; }
.event-summary ul { display: grid; gap: 8px; padding: 0; list-style: none; margin: 14px 0 12px; }
.event-summary li { font-size: 14px; line-height: 1.75; color: var(--text-secondary); }
.event-summary li time { font-variant-numeric: tabular-nums; }
.event-summary li a { color: var(--brand); }
.event-summary [data-events-status] { margin: 0; font-size: 13px; line-height: 1.7; color: var(--muted); }
.home-content > section { padding-block: 46px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 24px; margin-bottom: 25px; }
.section-heading .eyebrow { margin-bottom: 10px; }
.section-heading h2 { margin: 0; font-size: 29px; line-height: 1.4; font-weight: 550; letter-spacing: -0.02em; }
.section-heading > .text-link { flex-shrink: 0; padding-bottom: 3px; }
.latest-section > .article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); column-gap: 52px; }
.latest-section .article-row { align-items: flex-start; padding-block: 24px; }
.latest-section .article-row h3 { font-size: 22px; }
.latest-section .article-row p { display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.guide-section { border-bottom: 1px solid var(--line); }
.guide-layout { display: grid; grid-template-columns: 1fr 1.3fr; gap: 75px; }
.guide-intro { position: relative; padding-left: 81px; padding-top: 21px; }
.guide-symbol { position: absolute; top: 24px; left: 0; color: var(--brand); }
.guide-symbol .icon { width: 48px; height: 48px; }
.guide-intro h3 { font-size: 24px; line-height: 1.5; font-weight: 550; margin-bottom: 18px; }
.guide-intro p { color: var(--text-secondary); font-size: 16px; line-height: 1.9; margin-bottom: 21px; }
.guide-layout .article-row:first-child { padding-top: 18px; }
.guide-layout .article-row:last-child { border-bottom: 0; }
.tool-list { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 40px; }
.tool-link { display: flex; align-items: flex-start; gap: 14px; padding-block: 23px; border-bottom: 1px solid var(--line); }
.tool-link > span:nth-child(2) { flex: 1; min-width: 0; }
.tool-icon { color: var(--brand); margin-top: 2px; }
.tool-icon .icon { width: 23px; height: 23px; }
.tool-link strong { display: block; font-size: 17px; line-height: 1.5; font-weight: 500; }
.tool-link small { display: block; margin-top: 9px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.tool-link > .icon { width: 15px; height: 15px; color: var(--muted); margin-top: 5px; }
.tool-link:hover strong { color: var(--brand); }
.navigation-entry { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-block: 1px solid var(--line); margin-top: 33px; padding-block: 24px; }
.navigation-entry strong { display: block; font-size: 21px; line-height: 1.5; font-weight: 500; }
.navigation-entry small { display: block; color: var(--muted); font-size: 14px; line-height: 1.7; margin-top: 8px; }
.navigation-entry > .icon { color: var(--brand); }
.navigation-entry:hover strong { color: var(--brand); }
.home-content > .home-about { max-width: none; padding-top: 8px; padding-bottom: 60px; }
.home-about > p, .home-about > ul { max-width: 880px; }
.home-about.prose h2 { margin-top: 1em; font-size: 26px; }
.site-footer { border-top: 1px solid var(--line); background: var(--footer); padding-block: 40px 26px; }
.footer-main { display: flex; justify-content: space-between; gap: 40px; padding-bottom: 30px; }
.footer-brand { font-size: 23px; font-weight: 550; line-height: 1.5; }
.footer-brand span { display: block; margin-top: 6px; font-size: 14px; font-weight: 400; color: var(--text-secondary); }
.footer-main p { color: var(--muted); font-size: 14px; line-height: 1.7; margin: 13px 0 0; }
.footer-main nav { display: flex; flex-wrap: wrap; justify-content: flex-end; align-content: flex-start; gap: 16px 25px; max-width: 520px; padding-top: 5px; font-size: 14px; line-height: 1.8; color: var(--text-secondary); }
.footer-main nav .icon { width: 14px; height: 14px; margin-left: 3px; }
.site-footer a:hover { color: var(--brand); }
.footer-bottom { padding-top: 22px; border-top: 1px solid var(--line); }
.footer-bottom p { color: var(--muted); font-size: 13px; line-height: 1.9; margin: 0 0 9px; }
.footer-divider { margin-inline: 12px; }
.friend-links a { display: inline-block; margin-left: 12px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 790px) minmax(0, 230px); gap: 80px; padding-block: 34px 75px; align-items: start; }
.article-column { min-width: 0; }
.breadcrumbs { display: flex; align-items: baseline; flex-wrap: wrap; gap: 10px; margin-bottom: 35px; color: var(--muted); font-size: 13px; line-height: 1.8; }
.breadcrumbs > span[aria-current] { overflow-wrap: anywhere; }
.breadcrumbs a:hover { color: var(--brand); }
.article-heading { padding-bottom: 29px; border-bottom: 1px solid var(--line); margin-bottom: 32px; }
.article-heading h1 { font-size: clamp(30px, 3.1vw, 41px); line-height: 1.4; font-weight: 600; letter-spacing: -0.025em; margin: 18px 0 20px; text-wrap: pretty; overflow-wrap: anywhere; }
.article-byline { font-size: 14px; line-height: 1.8; color: var(--text-secondary); margin-bottom: 16px; }
.article-deck { font-size: 18px; line-height: 1.85; color: var(--text-secondary); margin-bottom: 18px; }
.updated-date { font-size: 13px; line-height: 1.8; color: var(--muted); margin: 12px 0 0; }
.article-sidebar { min-width: 0; padding-top: 62px; }
.sidebar-sticky { position: sticky; top: 118px; max-height: calc(100vh - 145px); overflow-y: auto; scrollbar-width: thin; }
.table-of-contents { border-left: 1px solid var(--line); padding-left: 22px; }
.table-of-contents h2 { font-size: 14px; line-height: 1.6; font-weight: 550; margin: 0 0 17px; }
.table-of-contents ol { list-style: none; padding: 0; margin: 0; }
.table-of-contents li { margin-block: 12px; font-size: 14px; line-height: 1.7; color: var(--muted); }
.table-of-contents a:hover { color: var(--brand); }
.table-of-contents .toc-subheading { padding-left: 14px; font-size: 13px; }
.sidebar-explore { border-top: 1px solid var(--line); margin-top: 30px; padding-top: 21px; }
.sidebar-explore .mini-label { color: var(--muted); margin-bottom: 13px; }
.sidebar-explore > a { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding-block: 10px; font-size: 14px; color: var(--text-secondary); }
.sidebar-explore > a:hover { color: var(--brand); }
.sidebar-explore .icon { width: 15px; height: 15px; }
.sidebar-official { display: flex; align-items: center; gap: 12px; padding-block: 22px; margin-top: 22px; border-top: 1px solid var(--line); }
.sidebar-official img { width: 32px; height: 32px; border-radius: 50%; }
.sidebar-official > span { flex: 1; }
.sidebar-official strong { display: block; font-size: 15px; font-weight: 500; }
.sidebar-official small { display: block; margin-top: 6px; font-size: 13px; color: var(--muted); line-height: 1.6; }
.sidebar-official > .icon { width: 14px; height: 14px; color: var(--brand); }
.prose { max-width: 790px; font-size: 17px; line-height: 1.95; overflow-wrap: break-word; color: var(--text); }
.prose > :first-child { margin-top: 0; }
.prose p { margin: 0 0 1.4em; }
.prose h1, .prose h2, .prose h3, .prose h4 { font-weight: 550; line-height: 1.5; scroll-margin-top: 115px; text-wrap: pretty; }
.prose h1 { font-size: 32px; margin: 1.7em 0 0.8em; }
.prose h2 { font-size: 27px; margin: 2em 0 0.85em; padding-top: 0.2em; letter-spacing: -0.01em; }
.prose h3 { font-size: 22px; margin: 1.7em 0 0.8em; }
.prose h4 { font-size: 18px; margin: 1.5em 0 0.7em; }
.prose a { color: var(--brand); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: color-mix(in srgb, var(--brand) 45%, transparent); }
.prose a:hover { color: var(--brand-hover); text-decoration-color: var(--brand); }
.prose .header-anchor { font-size: 0.75em; color: var(--muted); text-decoration: none; margin-right: 0.25em; }
.prose ul, .prose ol { padding-left: 1.5em; margin: 1em 0 1.6em; }
.prose li { padding-left: 0.15em; margin: 0.4em 0; }
.prose li > p { margin-bottom: 0.6em; }
.prose img { display: block; margin: 1.6em auto; height: auto; max-width: 100%; }
.prose p > img:only-child { margin-block: 1.8em; }
.prose img + em { display: block; text-align: center; font-size: 14px; color: var(--muted); font-style: normal; margin-top: -12px; line-height: 1.8; }
.prose blockquote { margin: 1.5em 0; padding: 3px 0 3px 22px; border-left: 2px solid var(--brand); color: var(--text-secondary); }
.prose blockquote p:last-child { margin-bottom: 0; }
.prose hr { height: 1px; border: 0; background: var(--line); margin: 2em 0; }
.prose strong { font-weight: 650; }
.prose table { display: block; max-width: 100%; overflow: auto; border-collapse: collapse; font-size: 15px; line-height: 1.8; margin: 1.7em 0; }
.prose caption { text-align: left; color: var(--muted); font-size: 14px; margin-bottom: 12px; }
.prose td, .prose th { border: 1px solid var(--line); padding: 11px 14px; min-width: 80px; text-align: left; }
.prose th { background: var(--surface); font-weight: 550; }
.prose tr:nth-child(even) { background: var(--surface); }
.prose .is-upcoming { background: var(--brand-soft); }
.prose pre { overflow: auto; border: 1px solid var(--line); background: var(--surface); padding: 18px 20px; font-size: 14px; line-height: 1.8; margin: 1.7em 0; tab-size: 2; }
.prose code { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: 0.88em; background: var(--surface); padding: 0.16em 0.35em; }
.prose pre code { font-size: inherit; padding: 0; background: none; }
.prose details { border-block: 1px solid var(--line); padding: 16px 0; margin: 1.5em 0; }
.prose summary { cursor: pointer; font-weight: 550; }
.prose details[open] summary { margin-bottom: 16px; }
.prose .custom-container, .prose .hint-container { margin: 1.5em 0; padding: 18px 22px; background: var(--brand-soft); border-left: 2px solid var(--brand); font-size: 16px; }
.prose .custom-container > :last-child, .prose .hint-container > :last-child { margin-bottom: 0; }
.prose .custom-container-title, .prose .hint-container-title { font-weight: 600; margin-bottom: 8px; }
.prose .warning { border-color: #cfad63; }
.prose .danger { border-color: #d88e83; }
.prose iframe { display: block; border: 0; margin: 1.5em auto; max-width: 100%; }
.prose video { display: block; margin: 1.5em auto; }
.prose .footnotes { font-size: 14px; color: var(--text-secondary); border-top: 1px solid var(--line); margin-top: 2em; }
.prose .table-scroll { max-width: 100%; overflow-x: auto; }
.prose .table-scroll table { display: table; }
.prose .resource-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 38px; margin-block: 28px; }
.prose .resource-grid section { border-top: 1px solid var(--line); padding-block: 23px; }
.prose .resource-grid h2 { font-family: inherit; font-size: 20px; line-height: 1.5; margin: 0 0 12px; padding: 0; }
.prose .resource-grid p { font-size: 15px; line-height: 1.85; margin: 0; color: var(--text-secondary); }
.prose .resource-grid a { text-decoration: none; }
.prose .resource-grid a:hover { text-decoration: underline; }
.prose .content-actions { display: flex; flex-wrap: wrap; gap: 12px; margin-block: 25px 32px; }
.prose .content-actions a { display: inline-flex; align-items: center; justify-content: center; min-height: 44px; padding: 9px 18px; border: 1px solid var(--line); font-size: 14px; text-decoration: none; }
.prose .content-actions a:hover { border-color: var(--brand); }
.navigation-page { grid-template-columns: minmax(0, 1fr) 190px; gap: 60px; }
.navigation-page .prose { max-width: none; }
.navigation-page .resource-grid { column-gap: 44px; }
.navigation-page .article-heading { margin-bottom: 28px; }
.forecast-page .breadcrumbs { margin-bottom: 24px; }
.forecast-page .forecast-heading { margin-bottom: 16px; padding-bottom: 0; border-bottom: 0; }
.forecast-heading > .eyebrow { margin-bottom: 10px; }
.forecast-heading h1 { margin-block: 0; font-size: clamp(29px, 3vw, 38px); line-height: 1.45; }
.forecast-nav { display: flex; align-items: center; flex-wrap: wrap; gap: 10px 25px; margin-bottom: 28px; border-bottom: 1px solid var(--line); }
.forecast-nav a { display: inline-flex; align-items: center; gap: 8px; min-height: 44px; padding-bottom: 10px; color: var(--text-secondary); font-size: 14px; line-height: 1.6; border-bottom: 2px solid transparent; }
.forecast-nav a[aria-current], .forecast-nav a:hover { color: var(--brand); }
.forecast-nav a[aria-current] { border-bottom-color: var(--brand); }
.forecast-nav .icon { width: 14px; height: 14px; }
.forecast-prose { max-width: 100%; }
.forecast-primary > h2 { margin: 0 0 20px; padding: 0; font-size: 25px; }
.forecast-background { margin-top: 42px; padding-top: 30px; border-top: 1px solid var(--line); }
.forecast-background .forecast-description { font-size: 16px; line-height: 1.85; color: var(--text-secondary); }
.prose .forecast-app { margin-block: 26px; padding-block: 17px; font-size: 15px; }
.forecast-app > summary { color: var(--brand); }
.forecast-app > div { padding-top: 4px; }
.forecast-app > div > :last-child { margin-bottom: 0; }
.forecast-more { margin-top: 44px; padding-top: 26px; border-top: 1px solid var(--line); }
.forecast-more > h2 { font-size: 24px; font-weight: 550; }
.sky-events { min-width: 0; }
.sky-events-heading { position: relative; display: flex; align-items: center; justify-content: space-between; gap: 20px; padding-block: 5px 24px; }
.sky-events-heading > div { position: relative; z-index: 1; min-width: 0; }
.prose .sky-events-kicker { margin: 0 0 8px; color: var(--brand); font-size: 13px; line-height: 1.6; letter-spacing: 0.06em; }
.prose .sky-events-heading h2 { margin: 0 0 10px; padding: 0; font-size: 27px; font-weight: 550; line-height: 1.4; }
.prose .sky-events-period { margin: 0; color: var(--muted); font-size: 14px; line-height: 1.8; font-variant-numeric: tabular-nums; }
.sky-events-orbit { flex: 0 0 146px; width: 146px; height: 100px; color: var(--brand); stroke: currentColor; stroke-width: 0.7; opacity: 0.55; }
.sky-events-orbit circle { fill: var(--bg); stroke-width: 1; }
.sky-events-orbit circle:first-of-type { fill: var(--brand); }
.sky-events-notice { display: flex; align-items: baseline; gap: 14px; padding: 15px 18px; background: var(--surface); border-left: 2px solid var(--brand); }
.sky-events-state { flex-shrink: 0; color: var(--brand); font-size: 13px; font-weight: 550; line-height: 1.75; }
.prose .sky-events [data-events-status] { margin: 0; color: var(--text-secondary); font-size: 14px; line-height: 1.8; }
.sky-events[data-request="loading"] .sky-events-state::before { content: ""; display: inline-block; width: 6px; height: 6px; margin-right: 7px; border-radius: 50%; background: currentColor; }
.prose .sky-events-list { list-style: none; margin: 0; padding: 0; }
.prose .sky-event-month { display: flex; align-items: center; gap: 18px; margin: 0; padding: 27px 0 11px; color: var(--brand); font-size: 17px; line-height: 1.6; font-weight: 500; font-variant-numeric: tabular-nums; }
.sky-event-month-line { height: 1px; flex: 1; background: var(--line); }
.prose .sky-event { display: grid; grid-template-columns: 145px minmax(0, 1fr); gap: 25px; padding: 22px 0; margin: 0; border-bottom: 1px solid var(--line); }
.sky-event-time { display: block; min-width: 0; font-variant-numeric: tabular-nums; }
.sky-event-date { display: block; font-size: 18px; line-height: 1.6; color: var(--text); }
.sky-event-clock { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; margin-top: 5px; color: var(--text-secondary); font-size: 15px; line-height: 1.7; }
.sky-event-clock > span { font-size: 13px; color: var(--muted); }
.sky-event-body { position: relative; min-width: 0; padding-left: 22px; }
.sky-event-body::before { content: ""; position: absolute; left: 0; top: 10px; width: 5px; height: 5px; border: 1px solid var(--muted); border-radius: 50%; }
.sky-event[data-event-kind="meteor"] .sky-event-body::before { width: 7px; height: 7px; top: 8px; background: var(--brand); border-color: var(--brand); box-shadow: 0 0 0 4px var(--brand-soft); }
.sky-event-kind { display: block; margin-bottom: 4px; color: var(--muted); font-size: 13px; line-height: 1.7; }
.sky-event[data-event-kind="meteor"] .sky-event-kind { color: var(--brand); }
.prose .sky-event-title { margin: 0; color: var(--text); font-size: 18px; line-height: 1.85; overflow-wrap: anywhere; text-wrap: pretty; }
.prose .sky-events-noscript, .prose .sky-events-empty { margin: 0; padding-block: 24px; color: var(--text-secondary); font-size: 15px; line-height: 1.9; }
.sky-events-empty > a { display: inline-block; margin-left: 0.5em; }
.event-summary .event-summary-item { display: grid; grid-template-columns: 119px minmax(0, 1fr); gap: 12px; }
.event-summary .event-summary-item > time { color: var(--muted); white-space: nowrap; }
.event-summary-title { overflow-wrap: anywhere; }
.meteor-calendar { position: relative; min-width: 0; }
.prose .meteor-intro { margin-bottom: 18px; color: var(--text-secondary); font-size: 15px; line-height: 1.85; }
.meteor-calendar [data-meteor-status] { position: relative; margin: 0 0 23px; padding: 16px 20px; border-left: 2px solid var(--brand); background: var(--brand-soft); color: var(--text-secondary); font-size: 15px; line-height: 1.85; }
.meteor-calendar [data-meteor-status] > a { color: var(--text); text-decoration-color: var(--brand); }
.prose .meteor-calendar .table-scroll { overflow: visible; }
.prose .meteor-calendar table { display: table; width: 100%; table-layout: fixed; margin: 0; border-collapse: collapse; font-size: 16px; line-height: 1.7; overflow: visible; }
.meteor-calendar caption { padding-bottom: 14px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.prose .meteor-calendar th, .prose .meteor-calendar td { min-width: 0; padding: 17px 18px; border: 0; border-bottom: 1px solid var(--line); vertical-align: middle; overflow-wrap: anywhere; }
.prose .meteor-calendar th { padding-block: 13px; background: var(--surface); color: var(--text-secondary); font-size: 14px; font-weight: 500; }
.meteor-calendar th:first-child { width: 45%; }
.meteor-calendar th:nth-child(2) { width: 37%; }
.meteor-calendar th:last-child { width: 18%; }
.prose .meteor-calendar tr:nth-child(even) { background: transparent; }
.prose .meteor-calendar tr.is-upcoming { background: var(--brand-soft); }
.meteor-calendar .is-upcoming > td:first-child { box-shadow: inset 2px 0 var(--brand); }
.meteor-time-date { display: block; color: var(--text); font-variant-numeric: tabular-nums; }
.meteor-time-clock { display: block; margin-top: 3px; color: var(--muted); font-size: 14px; font-variant-numeric: tabular-nums; }
.meteor-name { color: var(--text); }
.meteor-zhr { font-size: 20px; color: var(--brand); font-variant-numeric: tabular-nums; }
.meteor-badge { display: block; width: fit-content; margin-top: 5px; padding: 1px 6px; border: 1px solid var(--brand); color: var(--brand); font-size: 12px; line-height: 1.7; white-space: nowrap; }
.article-end { max-width: 790px; margin-top: 40px; }
.article-tags { display: flex; gap: 10px; flex-wrap: wrap; margin-block: 20px; }
.article-tags a { font-size: 14px; line-height: 1.7; color: var(--text-secondary); padding: 5px 11px; border: 1px solid var(--line); }
.article-tags a:hover { color: var(--brand); border-color: var(--brand); }
.article-official { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-block: 1px solid var(--line); padding-block: 25px; margin-top: 30px; }
.article-official strong { font-size: 18px; font-weight: 550; }
.article-official p { font-size: 14px; line-height: 1.8; color: var(--text-secondary); margin: 9px 0 0; }
.neighbor-articles { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 30px; border-bottom: 1px solid var(--line); margin: 0 0 35px; padding-block: 27px; }
.neighbor-articles a { display: block; }
.neighbor-articles a:last-child { text-align: right; }
.neighbor-articles span { display: block; font-size: 13px; color: var(--muted); margin-bottom: 9px; }
.neighbor-articles strong { font-size: 16px; line-height: 1.8; font-weight: 500; }
.neighbor-articles a:hover strong { color: var(--brand); }
.related-articles > h2 { font-size: 24px; font-weight: 550; margin: 36px 0 15px; }
.legal-page .article-heading .eyebrow { margin-bottom: 0; }
.index-layout { padding-block: 34px 75px; min-height: 65vh; }
.index-heading { margin-bottom: 32px; }
.index-heading .breadcrumbs { margin-bottom: 30px; }
.index-heading > .eyebrow { margin-bottom: 12px; }
.index-heading h1 { font-size: 40px; line-height: 1.4; font-weight: 550; margin: 0 0 17px; letter-spacing: -0.02em; }
.index-heading > p:last-child:not(.eyebrow) { font-size: 17px; color: var(--text-secondary); line-height: 1.85; margin: 0; max-width: 800px; }
.archive-nav { display: flex; gap: 30px; border-bottom: 1px solid var(--line); margin-bottom: 12px; overflow-x: auto; white-space: nowrap; }
.archive-nav a { font-size: 15px; line-height: 1.8; padding-bottom: 15px; color: var(--text-secondary); border-bottom: 2px solid transparent; }
.archive-nav a:hover, .archive-nav a[aria-current] { color: var(--brand); }
.archive-nav a[aria-current] { border-color: var(--brand); }
.index-columns { display: grid; grid-template-columns: minmax(0, 1fr) 230px; gap: 80px; }
.index-sidebar { padding-top: 29px; }
.index-sidebar h2 { font-size: 16px; font-weight: 550; margin-bottom: 18px; }
.topic-links a { display: flex; align-items: center; justify-content: space-between; gap: 15px; font-size: 14px; color: var(--text-secondary); padding-block: 11px; }
.topic-links span { font-size: 13px; color: var(--muted); }
.topic-links a:hover { color: var(--brand); }
.index-intro { max-width: 850px; margin-block: 35px; }
.topic-directory { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 44px; }
.topic-directory > a { display: flex; align-items: center; gap: 15px; padding-block: 27px; border-bottom: 1px solid var(--line); font-size: 19px; }
.topic-directory > a > span { flex: 1; }
.topic-directory small { font-size: 14px; color: var(--muted); }
.topic-directory .icon { width: 15px; height: 15px; color: var(--brand); }
.topic-directory > a:hover { color: var(--brand); }
.pagination { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 9px; margin-top: 38px; font-size: 14px; }
.pagination a, .pagination-gap { display: inline-flex; align-items: center; justify-content: center; min-width: 40px; min-height: 42px; border: 1px solid var(--line); color: var(--text-secondary); }
.pagination a[aria-current] { background: var(--brand); border-color: var(--brand); color: var(--button-text); }
.pagination a:hover { border-color: var(--brand); }
.pagination .page-direction { padding-inline: 14px; }
.pagination-gap { border: 0; min-width: 20px; }
.empty-state { padding-block: 35px; font-size: 16px; color: var(--muted); line-height: 1.8; }
.empty-state a { color: var(--brand); }
.timeline-year { margin-block: 42px; }
.timeline-year h2 { scroll-margin-top: 112px; font-size: 29px; font-weight: 400; color: var(--brand); margin-bottom: 5px; }
.timeline-year .article-list { max-width: 850px; }
.index-layout > .topic-chips { margin-top: 30px; }
.search-page { padding-block: 34px 80px; min-height: 70vh; max-width: 940px; }
.search-form { display: flex; align-items: center; gap: 16px; padding: 7px 8px 7px 18px; border: 1px solid var(--line); background: var(--surface); margin-bottom: 25px; }
.search-form:focus-within { border-color: var(--brand); }
.search-form > .icon { color: var(--muted); width: 20px; height: 20px; }
.search-form input { flex: 1; min-width: 0; border: 0; outline: 0; color: var(--text); background: transparent; font-size: 17px; padding-block: 10px; }
.search-form input:focus-visible { outline: 0; }
.search-form input::placeholder { color: var(--muted); }
.search-form .button { min-height: 44px; }
.search-status { font-size: 15px; line-height: 1.85; color: var(--text-secondary); margin-bottom: 24px; }
.search-result { padding-block: 26px; border-bottom: 1px solid var(--line); }
.search-result-category { font-size: 13px; color: var(--brand); margin: 0 0 10px; line-height: 1.8; }
.search-result h2 { font-size: 25px; line-height: 1.5; font-weight: 550; margin: 0 0 13px; }
.search-result h2 a:hover { color: var(--brand); }
.search-result > p:last-child { font-size: 16px; color: var(--text-secondary); line-height: 1.9; margin: 0; overflow-wrap: anywhere; }
.search-topics { margin-top: 45px; border-top: 1px solid var(--line); padding-top: 30px; }
.search-topics h2 { font-size: 22px; font-weight: 550; margin-bottom: 22px; }
.topic-chips { display: flex; flex-wrap: wrap; gap: 10px; margin-bottom: 25px; }
.topic-chips a { padding: 8px 13px; font-size: 14px; line-height: 1.7; border: 1px solid var(--line); }
.topic-chips a:hover { color: var(--brand); border-color: var(--brand); }
.search-notice { font-size: 16px; line-height: 1.8; }
.search-notice a { color: var(--brand); }
.not-found { max-width: 680px; text-align: center; padding-block: 75px 95px; min-height: 65vh; }
.not-found h1 { font-size: 32px; line-height: 1.5; font-weight: 550; margin-bottom: 18px; }
.not-found > p { font-size: 16px; line-height: 1.9; color: var(--muted); }
.not-found .search-form { margin-block: 30px; }
.lost-orbit { display: block; margin-block: 30px; color: var(--brand); }
.lost-orbit .icon { width: 80px; height: 80px; stroke-width: 0.75; }
.prose .previewable-image { cursor: zoom-in; }
.prose .previewable-image:focus-visible { outline: 2px solid var(--brand); outline-offset: 5px; }
.image-unavailable { display: block; margin-block: 1.8em; padding-block: 16px; border-block: 1px solid var(--line); color: var(--text-secondary); font-size: 15px; line-height: 1.8; }
.image-unavailable > span { display: block; margin-bottom: 6px; }
.image-unavailable > a { font-size: 14px; }
.back-to-top { position: fixed; bottom: 24px; right: 24px; z-index: 20; display: flex; align-items: center; justify-content: center; width: 44px; height: 44px; background: var(--bg); color: var(--text-secondary); border: 1px solid var(--line); border-radius: 2px; }
.back-to-top:hover { color: var(--brand); border-color: var(--brand); }
.back-to-top .icon { transform: rotate(-90deg); width: 18px; height: 18px; }
.image-preview { max-width: 100vw; max-height: 100dvh; width: 100vw; height: 100dvh; background: transparent; border: 0; padding: 55px 35px 25px; overflow: auto; color: #fff; outline: 0; }
.image-preview[open] { display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 14px; }
.image-preview::backdrop { background: rgba(5, 9, 11, 0.96); }
.image-preview > img { display: block; max-width: 100%; max-height: calc(100dvh - 150px); width: auto; height: auto; object-fit: contain; }
.image-preview-close { position: fixed; top: 18px; right: 23px; display: flex; align-items: center; justify-content: center; border: 1px solid #8f9b9f; width: 44px; height: 44px; background: #101518; color: #fff; font-size: 28px; line-height: 1; }
.image-preview-caption { max-width: 760px; margin: 0; color: #c5cdd0; font-size: 14px; line-height: 1.8; text-align: center; }
.image-preview-status { font-size: 15px; line-height: 1.8; color: #c5cdd0; text-align: center; margin: 0; }
.image-preview-status:empty { display: none; }
@keyframes page-arrive { from { transform: translateY(6px); } to { transform: translateY(0); } }
.home-lead, .article-heading, .index-heading { animation: page-arrive 420ms cubic-bezier(0.22, 1, 0.36, 1) both; }
@media (max-width: 1200px) {
  .wrap { width: calc(100% - 56px); }
  .header-inner { gap: 20px; }
  .brand small { display: none; }
  .site-nav { gap: 18px; }
  .header-actions { gap: 8px; }
  .home-essentials { grid-template-columns: 1fr 1.6fr; gap: 26px; }
  .quick-tools > a { padding-inline: 19px; }
  .quick-tools .quick-tool-direction { display: none; }
  .article-layout { grid-template-columns: minmax(0, 1fr) 210px; gap: 55px; }
  .navigation-page { grid-template-columns: minmax(0, 1fr) 190px; gap: 45px; }
}
@media (max-width: 1040px) {
  .header-inner { min-height: 76px; flex-wrap: wrap; padding-block: 12px; gap: 0; }
  .header-actions { margin-left: auto; gap: 12px; }
  .site-nav { order: 3; flex: 0 0 100%; margin: 14px 0 0; padding-top: 13px; border-top: 1px solid var(--line); flex-wrap: wrap; gap: 3px 25px; }
  .site-nav a { padding-block: 10px; }
  .has-js .menu-toggle { display: inline-flex; }
  .has-js .site-nav { display: none; }
  .has-js .site-nav[data-open="true"] { display: flex; animation: menu-arrive 220ms ease-out; transform-origin: top right; }
  .menu-toggle[aria-expanded="true"] .menu-open-icon { display: none; }
  .menu-toggle[aria-expanded="true"] .menu-close-icon { display: block; }
  .home-essentials { grid-template-columns: 1fr; gap: 23px; padding-block: 22px; }
  .app-entry { justify-content: flex-start; gap: 35px; }
  .app-entry-copy { grid-template-columns: 24px auto auto; column-gap: 12px; }
  .app-entry p { grid-column: auto; margin: 0 0 0 8px; }
  .quick-tools > a { padding-inline: 22px; }
  .quick-tools > a:first-child { padding-left: 0; border-left: 0; }
  .quick-tools small { max-width: none; }
  .home-lead { gap: 32px; padding-block: 34px; }
  .lead-stories > .article-list { column-gap: 32px; }
  .guide-layout { gap: 40px; }
  .tool-list { gap: 0 28px; }
  .article-layout { grid-template-columns: minmax(0, 1fr) 190px; gap: 40px; }
  .index-columns { grid-template-columns: minmax(0, 1fr) 190px; gap: 45px; }
  .navigation-page { grid-template-columns: minmax(0, 1fr); }
  .navigation-page .article-sidebar { display: none; }
}
@keyframes menu-arrive { from { transform: translateY(-7px); opacity: 0.6; } to { transform: translateY(0); opacity: 1; } }
@media (max-width: 800px) {
  .wrap { width: calc(100% - 44px); }
  .home-lead { grid-template-columns: 1fr; grid-template-areas: "lead" "sky" "observations" "secondary"; gap: 28px; }
  .lead-story { padding-right: 0; }
  .lead-story h1 { font-size: 40px; max-width: 16em; }
  .lead-story .title-qualifier { display: inline; }
  .lead-sky-image { height: 200px; }
  .lead-sky-image img { object-position: 44% 77%; }
  .lead-stories > .article-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 28px; }
  .lead-stories .article-row { padding-block: 12px 23px; }
  .lead-stories .article-row h3 { font-size: 22px; }
  .observation-panel { grid-template-columns: 210px minmax(0, 1fr); }
  .moon-observation { padding-right: 22px; }
  .event-summary { padding-left: 25px; }
  .latest-section > .article-list { gap: 0 30px; }
  .guide-layout { grid-template-columns: 1fr 1.2fr; gap: 30px; }
  .guide-intro { padding-left: 0; padding-top: 0; }
  .guide-symbol { position: static; display: block; margin-bottom: 18px; }
  .tool-list { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .article-layout { display: flex; flex-direction: column; gap: 0; }
  .article-column { width: 100%; }
  .article-sidebar { width: 100%; padding-top: 35px; border-top: 1px solid var(--line); margin-top: 40px; }
  .sidebar-sticky { position: static; max-height: none; overflow: visible; display: grid; grid-template-columns: 1.4fr 1fr; gap: 25px 40px; }
  .table-of-contents { grid-row: span 2; }
  .sidebar-explore { margin-top: 0; padding-top: 0; border-top: 0; }
  .sidebar-official { margin-top: 0; }
  .index-columns { grid-template-columns: minmax(0, 1fr); gap: 35px; }
  .index-sidebar { padding-top: 28px; border-top: 1px solid var(--line); }
  .topic-links { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 0 30px; }
  .index-sidebar .sidebar-explore { display: flex; gap: 30px; margin-top: 18px; }
  .topic-directory { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 30px; }
  .footer-main { flex-direction: column; gap: 25px; }
  .footer-main nav { justify-content: flex-start; max-width: none; }
}
@media (max-width: 560px) {
  html { scroll-padding-top: 95px; }
  .wrap { width: calc(100% - 36px); }
  .header-inner { min-height: 71px; padding-block: 11px; }
  .brand { gap: 10px; }
  .brand img { width: 31px; height: 31px; }
  .brand > span { font-size: 23px; }
  .header-actions { gap: 5px; }
  .header-download { margin-right: 5px; font-size: 13px; }
  .header-download .icon { display: none; }
  .icon-button, .search-link { width: 32px; }
  .site-nav { gap: 1px 25px; margin-top: 10px; }
  .site-nav a { font-size: 15px; padding-block: 11px; }
  .home-essentials { padding-block: 20px; gap: 19px; }
  .app-entry { justify-content: space-between; gap: 17px; }
  .app-entry-copy { grid-template-columns: 22px 1fr; column-gap: 8px; }
  .app-entry-copy > .entry-icon { width: 22px; height: 22px; }
  .app-entry strong { font-size: 18px; }
  .app-entry p { grid-column: 2; font-size: 13px; margin: 6px 0 0; }
  .app-entry .button { padding-inline: 14px; gap: 10px; }
  .quick-tools > a { padding: 0 8px; }
  .quick-tools .quick-tool-symbol { width: 22px; height: 22px; margin-bottom: 8px; }
  .quick-tools strong { font-size: 15px; font-weight: 500; }
  .quick-tools small { display: none; }
  .home-lead { padding-block: 27px 28px; gap: 25px; }
  .lead-story > .eyebrow { margin-bottom: 17px; }
  .article-meta { font-size: 13px; gap: 8px; }
  .lead-story h1 { font-size: 33px; line-height: 1.35; margin: 16px 0 20px; letter-spacing: -0.025em; }
  .lead-description { font-size: 16px; line-height: 1.9; margin-bottom: 20px; }
  .lead-read { font-size: 15px; }
  .lead-sky-image { height: 148px; }
  .lead-sky figcaption { padding-top: 10px; }
  .lead-stories > .article-list { display: block; }
  .lead-stories .article-row { padding-block: 20px; }
  .lead-stories .article-row:last-child { padding-bottom: 0; border-bottom: 0; }
  .lead-stories .article-row h3 { font-size: 23px; line-height: 1.5; margin: 9px 0 10px; }
  .lead-stories .article-row p { font-size: 16px; -webkit-line-clamp: 2; }
  .observation-panel { grid-template-columns: 1fr; padding-block: 23px; }
  .moon-observation { display: grid; grid-template-columns: 1fr auto; align-items: center; gap: 8px 16px; border: 0; padding: 0 0 22px; }
  .moon-observation > .mini-label { grid-column: 1 / -1; margin: 0; }
  .moon-observation > .text-link { margin-top: 0; font-size: 14px; }
  .moon-summary { font-size: 16px; gap: 12px; }
  .moon-summary img { width: 38px; height: 38px; }
  .event-summary { border-top: 1px solid var(--line); padding: 22px 0 0; }
  .observation-heading h2 { font-size: 21px; }
  .event-summary ul { gap: 11px; margin-block: 16px; }
  .event-summary li { font-size: 15px; line-height: 1.9; }
  .event-summary [data-events-status] { font-size: 13px; }
  .home-content > section { padding-block: 34px; }
  .section-heading { gap: 16px; margin-bottom: 16px; align-items: flex-end; }
  .section-heading h2 { font-size: 26px; }
  .section-heading .eyebrow { font-size: 13px; margin-bottom: 9px; letter-spacing: 0.03em; }
  .section-heading > .text-link { font-size: 14px; gap: 6px; }
  .latest-section > .article-list { display: block; }
  .article-row { padding-block: 23px; gap: 18px; }
  .article-row h3, .latest-section .article-row h3 { font-size: 22px; line-height: 1.5; margin: 9px 0 11px; }
  .article-row p { font-size: 16px; }
  .article-list-compact .article-row h3 { font-size: 20px; }
  .guide-layout { display: block; }
  .guide-intro { padding: 12px 0 27px 65px; }
  .guide-symbol { position: absolute; top: 17px; left: 0; }
  .guide-symbol .icon { width: 43px; height: 43px; }
  .guide-intro h3 { font-size: 23px; margin-bottom: 13px; }
  .guide-intro p { font-size: 16px; margin-bottom: 16px; }
  .guide-layout > .article-list { border-top: 1px solid var(--line); }
  .guide-layout .article-row:first-child { padding-top: 23px; }
  .tool-list { grid-template-columns: 1fr; gap: 0; }
  .tool-link { padding-block: 22px; gap: 16px; }
  .tool-link strong { font-size: 19px; }
  .tool-link small { font-size: 14px; margin-top: 7px; }
  .tool-icon .icon { width: 25px; height: 25px; }
  .navigation-entry { margin-top: 27px; padding-block: 23px; }
  .navigation-entry strong { font-size: 21px; }
  .navigation-entry small { font-size: 14px; }
  .home-content > .home-about { padding-top: 0; padding-bottom: 38px; }
  .home-about.prose h2 { font-size: 25px; }
  .site-footer { padding-block: 32px 23px; }
  .footer-main { gap: 25px; padding-bottom: 25px; }
  .footer-brand { font-size: 23px; }
  .footer-brand span { font-size: 14px; }
  .footer-main nav { gap: 14px 22px; font-size: 14px; }
  .footer-main p { font-size: 14px; }
  .footer-bottom p { font-size: 13px; }
  .footer-divider { margin-inline: 7px; }
  .friend-links a { margin-left: 7px; }
  .article-layout { padding-block: 23px 45px; }
  .breadcrumbs { font-size: 13px; line-height: 1.8; gap: 8px; margin-bottom: 27px; }
  .article-heading { padding-bottom: 25px; margin-bottom: 28px; }
  .article-heading h1 { font-size: 30px; line-height: 1.4; margin-block: 15px 18px; }
  .article-byline { font-size: 14px; }
  .article-deck { font-size: 17px; line-height: 1.85; }
  .updated-date { font-size: 13px; }
  .prose { font-size: 17px; line-height: 1.95; }
  .prose h1 { font-size: 28px; }
  .prose h2 { font-size: 25px; line-height: 1.5; }
  .prose h3 { font-size: 22px; }
  .prose h4 { font-size: 18px; }
  .prose blockquote { padding-left: 17px; }
  .prose pre { padding: 15px; font-size: 13px; }
  .prose .custom-container, .prose .hint-container { padding: 16px 18px; font-size: 16px; }
  .prose img + em { font-size: 14px; }
  .prose table { font-size: 14px; }
  .prose td, .prose th { padding: 10px 12px; }
  .prose .resource-grid { grid-template-columns: 1fr; gap: 0; margin-block: 26px; }
  .prose .resource-grid section { padding-block: 23px; }
  .prose .resource-grid h2 { font-size: 21px; line-height: 1.5; }
  .prose .resource-grid p { font-size: 16px; }
  .prose .content-actions { gap: 10px; }
  .prose .content-actions a { padding-inline: 13px; font-size: 14px; }
  .navigation-page .article-heading { padding-bottom: 18px; margin-bottom: 18px; }
  .navigation-page .article-heading h1 { margin-block: 0 12px; }
  .navigation-page .prose .content-actions { margin-block: 0 15px; }
  .navigation-page .prose .resource-grid { margin-top: 0; }
  .article-official { display: block; padding-block: 24px; }
  .article-official .button { margin-top: 20px; }
  .article-official p { font-size: 14px; }
  .neighbor-articles { gap: 22px; }
  .neighbor-articles strong { font-size: 15px; }
  .related-articles > h2 { font-size: 23px; }
  .sidebar-sticky { display: block; }
  .sidebar-explore { margin-top: 30px; }
  .sidebar-official { margin-top: 20px; }
  .index-layout { padding-block: 23px 50px; }
  .index-heading { margin-bottom: 28px; }
  .index-heading .breadcrumbs { margin-bottom: 26px; }
  .index-heading h1 { font-size: 32px; }
  .index-heading > p:last-child:not(.eyebrow) { font-size: 16px; }
  .archive-nav { gap: 24px; margin-bottom: 5px; }
  .archive-nav a { font-size: 14px; padding-bottom: 14px; }
  .topic-links { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 0 25px; }
  .topic-directory { column-gap: 24px; }
  .topic-directory > a { font-size: 17px; padding-block: 23px; gap: 9px; }
  .topic-directory small { font-size: 13px; }
  .topic-directory .icon { display: none; }
  .pagination { gap: 7px; font-size: 14px; }
  .pagination a, .pagination-gap { min-width: 37px; min-height: 42px; }
  .pagination .page-direction { padding-inline: 12px; }
  .timeline-year h2 { font-size: 28px; }
  .search-page { padding-block: 23px 50px; }
  .search-page .index-heading h1 { font-size: 29px; }
  .search-form { padding-left: 13px; gap: 10px; }
  .search-form input { font-size: 16px; }
  .search-form > .icon { width: 18px; height: 18px; }
  .search-form .button { padding-inline: 14px; font-size: 14px; }
  .search-status { font-size: 15px; }
  .search-result h2 { font-size: 23px; }
  .search-result > p:last-child { font-size: 16px; }
  .not-found { padding-block: 50px 65px; }
  .not-found h1 { font-size: 27px; }
  .not-found > p { font-size: 16px; }
  .back-to-top { width: 42px; height: 42px; bottom: 18px; right: 18px; }
  .image-preview { padding: 65px 12px 20px; }
  .image-preview-close { right: 16px; }
  .image-preview-caption { font-size: 14px; }
}
@media (max-width: 560px) {
  .forecast-page .breadcrumbs { margin-bottom: 18px; }
  .forecast-heading > .eyebrow { display: none; }
  .forecast-page .forecast-heading { margin-bottom: 13px; }
  .forecast-page .forecast-heading h1 { margin-block: 0; font-size: 28px; line-height: 1.45; }
  .forecast-nav { gap: 5px 17px; margin-bottom: 22px; }
  .forecast-nav a { padding-bottom: 9px; font-size: 13px; gap: 5px; }
  .forecast-nav .icon { width: 13px; height: 13px; }
  .forecast-primary > h2 { font-size: 23px; margin-bottom: 16px; }
  .forecast-background { margin-top: 30px; padding-top: 24px; }
  .sky-events-heading { padding-block: 0 18px; gap: 10px; }
  .prose .sky-events-heading h2 { font-size: 24px; margin-bottom: 7px; }
  .prose .sky-events-kicker { font-size: 13px; margin-bottom: 6px; }
  .prose .sky-events-period { font-size: 13px; }
  .sky-events-orbit { position: absolute; width: 86px; height: 70px; right: 0; top: -8px; opacity: 0.35; }
  .sky-events-heading h2 { padding-right: 62px; }
  .sky-events-notice { display: block; padding: 12px 14px; }
  .sky-events-state { display: block; margin-bottom: 3px; }
  .prose .sky-events [data-events-status] { font-size: 14px; line-height: 1.8; }
  .prose .sky-event-month { padding-top: 24px; gap: 15px; font-size: 16px; }
  .prose .sky-event { grid-template-columns: 94px minmax(0, 1fr); gap: 10px; padding-block: 18px; }
  .sky-event-date { font-size: 16px; white-space: nowrap; }
  .sky-event-clock { gap: 6px; margin-top: 4px; font-size: 14px; }
  .sky-event-clock > span { font-size: 13px; }
  .sky-event-body { padding-left: 15px; }
  .prose .sky-event-title { font-size: 17px; line-height: 1.85; }
  .event-summary .event-summary-item { grid-template-columns: 1fr; gap: 1px; }
  .event-summary .event-summary-item > time { font-size: 13px; }
  .prose .meteor-intro { margin-bottom: 14px; font-size: 14px; line-height: 1.85; }
  .meteor-calendar [data-meteor-status] { padding: 12px 14px; margin-bottom: 19px; font-size: 14px; line-height: 1.8; }
  .meteor-calendar caption { padding-bottom: 10px; font-size: 13px; }
  .prose .meteor-calendar table { font-size: 14px; line-height: 1.75; }
  .prose .meteor-calendar th, .prose .meteor-calendar td { padding: 13px 8px; }
  .prose .meteor-calendar th { padding-block: 11px; font-size: 13px; }
  .meteor-calendar th:first-child { width: 41%; }
  .meteor-calendar th:nth-child(2) { width: 43%; }
  .meteor-calendar th:last-child { width: 16%; }
  .meteor-time-clock { font-size: 13px; }
  .meteor-zhr { font-size: 18px; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media print {
  :root, :root[data-theme="light"] {
    --bg: #fff;
    --surface: #f0f0f0;
    --surface-hover: #e5e5e5;
    --text: #000;
    --text-secondary: #222;
    --muted: #444;
    --line: #aaa;
    --brand: #333;
    --brand-hover: #000;
    --brand-soft: #f0f0f0;
    --button-text: #fff;
    color-scheme: light !important;
  }
  .site-header, .site-footer, .article-sidebar, .article-end, .breadcrumbs, .skip-link, .back-to-top, .image-preview { display: none !important; }
  body, :root { background: #fff; color: #000; }
  .article-layout, .wrap { display: block; width: 100%; max-width: none; padding: 0; }
  .article-heading { border-bottom: 1px solid #ccc; }
  .prose { max-width: none; font-size: 11pt; color: #000; }
  .prose a, .article-heading h1, .article-heading p, .article-meta { color: #000; }
  .prose img { max-height: 500px; object-fit: contain; }
  h1, h2, h3 { break-after: avoid; }
  img, table, pre { break-inside: avoid; }
}