:root {
  --paper: #f3f2ee;
  --ink: #252522;
  --muted: #73736d;
  --line: #d4d3cb;
  --accent: #d64428;
  --mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --sans: "Helvetica Neue", Helvetica, Arial, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 32px; }
body { margin: 0; background: var(--paper); color: var(--ink); font: 14px/1.7 var(--sans); -webkit-font-smoothing: antialiased; }
a { color: inherit; text-decoration: none; }
button, input { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: default; }
a, button { -webkit-tap-highlight-color: transparent; touch-action: manipulation; }
a:focus-visible, button:focus-visible, summary:focus-visible { outline: 2px solid var(--accent); outline-offset: 5px; }
svg { width: 20px; height: 20px; flex: none; fill: none; stroke: currentColor; stroke-width: 1.5; stroke-linecap: round; stroke-linejoin: round; vertical-align: middle; }
::selection { color: white; background: var(--accent); }
[hidden] { display: none !important; }
.container { width: min(1200px, calc(100% - 96px)); margin-inline: auto; }
.skip-link { position: fixed; top: -90px; left: 20px; z-index: 50; background: var(--ink); color: white; padding: 10px 20px; }
.skip-link:focus { top: 10px; }
.technical-label, .section-index, .hero-meta, .showcase-label, .showcase-foot { font: 10px/1.6 var(--mono); letter-spacing: .6px; }
.technical-label { color: var(--muted); }
.accent-square { display: inline-block; width: 7px; height: 7px; background: var(--accent); margin-right: 9px; }
.section-index { display: flex; align-items: center; justify-content: space-between; gap: 20px; color: var(--muted); }
.section-index a:hover { color: var(--accent); }
.section-index > span:first-child { color: var(--ink); }
.site-header { min-height: 92px; display: flex; align-items: center; justify-content: space-between; gap: 30px; border-bottom: 1px solid var(--ink); }
.brand { display: inline-flex; gap: 11px; align-items: center; font-size: 23px; font-weight: 750; letter-spacing: -1px; }
.brand img { width: 29px; height: 29px; }
.brand-type { font: 8px/1.5 var(--mono); letter-spacing: .5px; color: var(--muted); border-left: 1px solid var(--line); padding-left: 14px; margin-left: 4px; max-width: 89px; }
.nav { display: flex; align-items: center; gap: 29px; font-size: 12px; }
.nav a { padding: 7px 0; }
.nav a:hover, .nav a[aria-current=page] { color: var(--accent); }
.nav .nav-download { display: flex; align-items: center; gap: 18px; margin-left: 12px; border-bottom: 1px solid var(--ink); }
.nav-download svg { width: 16px; height: 16px; }
.menu-toggle { display: none; border: 0; background: transparent; padding: 9px; }
.btn { display: inline-flex; align-items: center; justify-content: space-between; gap: 40px; padding: 13px 20px; background: var(--ink); color: #fff; border: 1px solid var(--ink); font-size: 12px; font-weight: 500; line-height: 1.6; transition: background .15s, border-color .15s; }
.btn svg { width: 17px; height: 17px; }
.btn:hover { background: var(--accent); border-color: var(--accent); }
.btn[aria-disabled=true] { background: #494944; border-color: #494944; color: #c4c4bb; pointer-events: none; }
.text-link { display: inline-flex; align-items: center; gap: 22px; border-bottom: 1px solid var(--line); padding-bottom: 3px; font-size: 12px; }
.text-link svg { width: 15px; height: 15px; }
.text-link:hover { color: var(--accent); border-color: var(--accent); }

/* Product introduction: a title, a brief, then the actual application. */
.hero { padding: 31px 0 41px; }
.hero-grid { display: grid; grid-template-columns: 1.35fr 1fr; gap: 65px; align-items: end; padding-top: 36px; }
.hero h1 { margin: 0; font-size: clamp(46px, 5.2vw, 76px); font-weight: 600; letter-spacing: -3.8px; line-height: 1.23; }
.title-last { white-space: nowrap; }
.title-last i { display: inline-block; width: 12px; height: 12px; margin: 0 0 5px 5px; background: var(--accent); }
.hero-aside { padding: 0 0 4px 22px; border-left: 1px solid var(--line); }
.hero-description { font-size: 13px; line-height: 1.95; margin: 0 0 24px; color: #60605a; }
.hero-aside .btn { min-width: 217px; }
.hero-meta { color: var(--muted); font-size: 9px; margin: 11px 0 0; letter-spacing: .2px; }
.hero-meta span:nth-child(2) { padding-inline: 7px; }
.showcase-top { display: flex; align-items: center; justify-content: space-between; gap: 20px; border-top: 1px solid var(--ink); min-height: 56px; }
.preview-tabs { display: flex; gap: 28px; align-self: stretch; }
.preview-tab { display: flex; align-items: center; gap: 9px; padding: 0; border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font-size: 12px; }
.preview-tab > span { font: 8px var(--mono); color: #96958b; }
.preview-tab:hover { color: var(--ink); }
.preview-tab[aria-selected=true] { color: var(--ink); border-color: var(--accent); }
.preview-tab[aria-selected=true] > span { color: var(--accent); }
.showcase-label { font-size: 8px; color: var(--muted); }
.screen-stage { border: 1px solid var(--ink); background: #101315; }
.preview-panel { overflow-x: auto; scrollbar-width: thin; scrollbar-color: #5b5b55 #20211f; }
.product-screen { display: block; width: 100%; height: 460px; object-fit: cover; object-position: left top; }
.light-screen { background: #fff; }
.screen-caption { display: flex; align-items: center; gap: 28px; padding: 16px 23px; color: #bdbeb6; background: #20211f; border-top: 1px solid #393b35; font-size: 11px; }
.screen-caption-index { color: #e98168; font: 9px var(--mono); white-space: nowrap; }
.showcase-foot { display: flex; justify-content: space-between; gap: 15px; padding: 12px 0; color: var(--muted); font-size: 8px; }
.foot-divider { color: var(--accent); margin: 0 10px; }
.capabilities { padding: 62px 0 68px; }
.capability-heading { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding: 27px 0 32px; }
.capability-heading h2 { font-size: 34px; line-height: 1.35; letter-spacing: -1.4px; font-weight: 550; margin: 0; }
.capability-heading > p { font-size: 12px; color: var(--muted); line-height: 1.95; margin: 0 0 4px; }
.capability-table { border-top: 1px solid var(--ink); }
.capability-row { display: grid; grid-template-columns: 45px 225px 1fr 125px; gap: 24px; padding: 25px 0; border-bottom: 1px solid var(--line); align-items: start; }
.capability-number { color: var(--accent); font: 11px var(--mono); padding-top: 4px; }
.capability-row h3 { font-size: 21px; font-weight: 550; margin: 0 0 6px; line-height: 1.2; }
.capability-row .technical-label { font-size: 8px; }
.capability-row > p { margin: 0; color: #696962; font-size: 12px; line-height: 1.95; max-width: 450px; }
.capability-key { border-left: 1px solid var(--line); padding-left: 23px; font: 11px/1.95 var(--mono); }
.capability-key > span { font: 10px var(--sans); color: var(--muted); }
.control-section { padding: 30px 0 64px; border-top: 1px solid var(--ink); }
.control-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 90px; margin-top: 38px; }
.control-kicker { font-size: 34px; line-height: 1.4; font-weight: 550; letter-spacing: -1px; margin: 0 0 20px; }
.control-copy { color: #696962; font-size: 12px; line-height: 2; max-width: 350px; margin: 0 0 24px; }
.control-copy code, .control-copy kbd { font: 11px var(--mono); color: var(--ink); }
.ledger-heading { display: flex; justify-content: space-between; gap: 15px; padding-bottom: 13px; border-bottom: 1px solid var(--ink); font: 9px var(--mono); color: var(--muted); }
.ledger-row { display: grid; grid-template-columns: 28px 1fr; gap: 4px 17px; padding: 19px 0; border-bottom: 1px solid var(--line); }
.ledger-row > span { grid-row: 1 / 3; font: 10px var(--mono); color: var(--accent); padding-top: 4px; }
.ledger-row strong { font-size: 13px; font-weight: 550; }
.ledger-row p { margin: 0; color: var(--muted); font-size: 11px; }
.download-callout { display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--ink); padding: 35px 0 43px; }
.download-callout h2 { margin: 9px 0 0; font-size: 28px; font-weight: 550; letter-spacing: -1px; }
.download-callout .btn { min-width: 233px; }

/* Downloads read like a release sheet, with a single primary package. */
.download-intro { padding: 31px 0 36px; }
.download-title-row { display: flex; align-items: end; justify-content: space-between; gap: 30px; padding-top: 32px; }
.download-title-row h1 { font-size: 80px; font-weight: 550; line-height: 1.1; letter-spacing: -5px; margin: 0 0 16px; }
.download-title-row > div > p { font-size: 13px; margin: 0; color: var(--muted); }
.download-version { display: grid; gap: 4px; justify-items: end; }
.download-version .technical-label { font-size: 9px; }
.download-version strong { font: 44px/1.3 var(--mono); letter-spacing: -2px; }
.download-version > span:last-child { color: var(--accent); font-size: 10px; }
.download-release { border-top: 1px solid var(--ink); }
.release-selection { display: flex; align-items: center; gap: 32px; min-height: 64px; }
.release-selection > .technical-label { font-size: 9px; }
.arch-selector { display: flex; align-items: center; gap: 0; align-self: stretch; }
.arch-selector button { border: 0; border-bottom: 2px solid transparent; background: transparent; color: var(--muted); font: 11px var(--mono); padding: 14px 18px; }
.arch-selector button[aria-selected=true] { color: var(--ink); border-bottom-color: var(--accent); }
.chip-help { font-size: 10px; color: var(--muted); margin-left: auto; }
.download-package { display: flex; align-items: center; justify-content: space-between; gap: 35px; background: var(--ink); color: var(--paper); padding: 36px; min-height: 206px; }
.package-identity { display: flex; align-items: center; gap: 30px; }
.package-symbol { display: grid; place-items: center; width: 90px; height: 100px; border: 1px solid #55554e; }
.package-symbol svg { width: 45px; height: 45px; }
.package-identity .technical-label { color: #aaa99d; font-size: 8px; }
.package-identity h2 { font-size: 47px; font-weight: 450; letter-spacing: -2px; line-height: 1.2; margin: 2px 0 12px; }
.package-identity p { font: 10px var(--mono); color: #aaa99d; margin: 0; }
.package-action { display: grid; gap: 12px; justify-items: end; }
.package-action .btn { background: var(--accent); border-color: var(--accent); min-width: 273px; min-height: 53px; }
.package-action .btn:hover { background: #b93821; border-color: #b93821; }
.package-action .btn[aria-disabled=true] { background: #51514a; border-color: #51514a; }
.package-format { font: 8px var(--mono); color: #aaa99d; letter-spacing: .4px; }
.release-facts { display: flex; align-items: start; justify-content: space-between; gap: 35px; padding: 15px 0; color: var(--muted); font-size: 10px; line-height: 1.8; }
.availability { margin: 0; max-width: 650px; }
.release-facts > span { max-width: 280px; text-align: right; }
.integrity { display: flex; align-items: center; gap: 25px; padding: 15px 0; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.integrity-label { color: var(--muted); font: 10px var(--mono); flex: none; }
.checksum { color: #64645d; font: 10px/1.7 var(--mono); overflow-wrap: anywhere; flex: 1; min-width: 0; }
.copy-button { display: flex; align-items: center; gap: 7px; font-size: 10px; padding: 5px 0; border: 0; background: transparent; white-space: nowrap; }
.copy-button svg { width: 12px; height: 12px; }
.copy-button:hover { color: var(--accent); }
.copy-button:disabled { opacity: .4; }
.download-documentation { display: grid; grid-template-columns: 270px minmax(0,1fr); gap: 90px; padding: 57px 0 64px; }
.download-rail h2 { font-size: 29px; letter-spacing: -1px; font-weight: 550; margin: 10px 0 28px; }
.download-rail > .technical-label { font-size: 9px; }
.system-spec { font-size: 11px; margin: 0 0 26px; }
.system-spec > div { display: grid; grid-template-columns: 96px 1fr; gap: 10px; border-top: 1px solid var(--line); padding: 12px 0; }
.system-spec dt { color: var(--muted); }
.system-spec dd { margin: 0; }
.download-body { min-width: 0; }
.install-list { list-style: none; padding: 0; margin: 17px 0 0; }
.install-list li { display: grid; grid-template-columns: 29px 130px 1fr; gap: 15px; padding: 20px 0; border-top: 1px solid var(--line); align-items: start; }
.install-list li > span { color: var(--accent); font: 10px var(--mono); padding-top: 4px; }
.install-list h3 { margin: 0; font-size: 13px; font-weight: 550; }
.install-list p { margin: 0; color: var(--muted); font-size: 11px; line-height: 1.9; }
.install-notice { color: var(--muted); font-size: 11px; line-height: 1.9; margin: 14px 0 0; padding: 0 0 0 14px; border-left: 2px solid var(--accent); }
.install-notice a { color: var(--ink); text-decoration: underline; text-underline-offset: 4px; }
.update-section { margin: 39px 0 35px; padding-top: 22px; border-top: 1px solid var(--ink); }
.pending-label { color: var(--accent); font: 10px var(--sans); }
.update-section h2 { font-size: 21px; font-weight: 550; letter-spacing: -.6px; margin: 19px 0 10px; }
.update-section p { color: var(--muted); font-size: 11px; line-height: 1.95; margin: 0 0 12px; }
.update-section .text-link { margin-top: 4px; font-size: 11px; }
.faq > .section-index { padding-bottom: 17px; }
.faq details { border-top: 1px solid var(--line); }
.faq details:last-child { border-bottom: 1px solid var(--line); }
.faq summary { display: flex; justify-content: space-between; gap: 20px; padding: 16px 0; list-style: none; cursor: pointer; font-size: 12px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary:after { content: "+"; color: var(--accent); font: 16px var(--mono); }
.faq details[open] summary:after { content: "−"; }
.faq details p { font-size: 11px; line-height: 1.95; color: var(--muted); padding: 0 26px 17px 0; margin: 0; }
.unpublished { font-size: 11px; }

/* Shared documentation, release history, and site furniture. */
.page-intro { padding: 31px 0 44px; }
.eyebrow { font: 10px var(--mono); letter-spacing: .6px; color: var(--muted); text-transform: uppercase; }
.page-intro h1 { font-size: 57px; font-weight: 550; letter-spacing: -2.8px; line-height: 1.2; margin: 36px 0 16px; }
.page-intro > p { font-size: 13px; color: var(--muted); margin: 0; }
.narrow { max-width: 100%; }
.changelog-toolbar { border-top: 1px solid var(--ink); border-bottom: 1px solid var(--line); padding: 15px 0; display: flex; justify-content: space-between; gap: 20px; font-size: 11px; color: var(--muted); }
.release-list { padding: 0 0 45px; }
.release-entry { display: grid; grid-template-columns: 270px 1fr; gap: 90px; padding: 33px 0; border-bottom: 1px solid var(--line); }
.release-version { margin: 0 0 6px; font: 23px var(--mono); letter-spacing: -.8px; }
.release-date { color: var(--muted); font: 10px var(--mono); }
.release-status { display: block; color: var(--accent); font-size: 9px; margin-top: 11px; }
.release-entry h2 { font-size: 22px; font-weight: 550; margin: 0 0 14px; letter-spacing: -.6px; }
.release-entry ul { padding-left: 17px; margin: 0; color: var(--muted); font-size: 12px; line-height: 2; }
.guide-grid { display: grid; grid-template-columns: 270px 1fr; gap: 90px; border-top: 1px solid var(--ink); padding: 32px 0 55px; }
.guide-nav { display: grid; gap: 13px; font-size: 12px; color: var(--muted); height: fit-content; position: sticky; top: 25px; }
.guide-nav a:hover { color: var(--accent); }
.guide-content section { margin: 0 0 34px; scroll-margin-top: 25px; }
.guide-content h2 { font-size: 23px; font-weight: 550; letter-spacing: -.6px; margin: 0 0 15px; }
.guide-content p, .guide-content li { font-size: 12px; color: var(--muted); line-height: 2; }
.guide-content ol { padding-left: 19px; }
.guide-content code, .key { font: 10px var(--mono); border: 1px solid var(--line); padding: 2px 5px; color: var(--ink); overflow-wrap: anywhere; }
.guide-content .text-link { margin-top: 6px; }
.closing { display: flex; align-items: center; justify-content: space-between; gap: 30px; border-top: 1px solid var(--ink); padding: 30px 0 46px; }
.closing h2 { font-size: 28px; font-weight: 550; letter-spacing: -1px; margin: 0 0 7px; }
.closing p { font-size: 12px; color: var(--muted); margin: 0; }
.site-footer { border-top: 1px solid var(--ink); padding: 25px 0; }
.footer-top { display: flex; align-items: center; gap: 30px; }
.footer-brand { font-size: 19px; }
.footer-brand img { width: 24px; height: 24px; }
.footer-motto { font: 8px var(--mono); color: var(--muted); letter-spacing: .3px; }
.footer-links { display: flex; gap: 25px; margin-left: auto; font-size: 10px; }
.footer-links a:hover { color: var(--accent); }
.footer-bottom { display: flex; justify-content: space-between; gap: 20px; margin-top: 28px; font: 8px var(--mono); letter-spacing: .4px; color: var(--muted); }
.footer-bottom > span > span { color: var(--accent); margin: 0 10px; }
.toast { position: fixed; bottom: 24px; left: 50%; transform: translate(-50%,10px); opacity: 0; pointer-events: none; z-index: 30; background: var(--ink); border-left: 3px solid var(--accent); color: white; font-size: 12px; padding: 12px 20px; max-width: calc(100% - 32px); transition: opacity .15s, transform .15s; }
.toast.visible { opacity: 1; transform: translate(-50%,0); }
.visually-hidden { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

@media (max-width: 1000px) {
  .container { width: calc(100% - 64px); }
  .brand-type { display: none; }
  .nav { gap: 23px; }
  .hero-grid { grid-template-columns: 1.35fr 1fr; gap: 30px; }
  .hero h1 { font-size: 53px; letter-spacing: -2.8px; }
  .hero-aside { padding-left: 20px; }
  .hero-description { font-size: 12px; }
  .hero-description br:nth-child(2) { display: none; }
  .product-screen { height: 385px; }
  .capability-row { grid-template-columns: 25px 190px 1fr; gap: 20px; }
  .capability-key { display: none; }
  .control-grid { gap: 45px; }
  .download-documentation, .guide-grid, .release-entry { grid-template-columns: 220px 1fr; gap: 45px; }
  .package-symbol { width: 65px; height: 85px; }
  .package-identity { gap: 20px; }
  .package-action .btn { min-width: 240px; }
  .package-identity h2 { font-size: 42px; }
  .install-list li { grid-template-columns: 22px 1fr; gap: 7px 14px; }
  .install-list li > span { grid-row: 1 / 3; }
  .install-list p { grid-column: 2; }
  .footer-motto { display: none; }
}

@media (max-width: 700px) {
  .container { width: calc(100% - 40px); }
  .site-header { min-height: 75px; }
  .brand { font-size: 21px; gap: 9px; }
  .brand img { width: 26px; height: 26px; }
  .menu-toggle { display: block; margin-right: -8px; }
  .nav { display: none; position: absolute; top: 75px; left: 20px; right: 20px; z-index: 20; padding: 14px 20px; background: var(--paper); border: 1px solid var(--ink); flex-direction: column; align-items: stretch; gap: 1px; }
  .nav.open { display: flex; }
  .nav a { padding: 10px 0; }
  .nav .nav-download { margin: 4px 0 2px; border-top: 1px solid var(--line); border-bottom: 0; }
  .section-index { font-size: 8px; gap: 12px; }
  .section-index > span:last-child { font-size: 8px; }
  .hero { padding: 22px 0 29px; }
  .hero > .section-index > a { font-size: 7px; }
  .accent-square { width: 6px; height: 6px; margin-right: 7px; }
  .hero-grid { grid-template-columns: 1fr; gap: 25px; padding-top: 31px; }
  .hero h1 { font-size: clamp(37px, 10.5vw, 57px); letter-spacing: -2.5px; line-height: 1.28; }
  .title-last i { width: 8px; height: 8px; margin: 0 0 3px 2px; }
  .hero-aside { border-left: 0; padding: 0; display: grid; grid-template-columns: 1fr; justify-items: start; }
  .hero-description { font-size: 12px; line-height: 1.85; margin-bottom: 20px; }
  .hero-description br:nth-child(2) { display: initial; }
  .hero-aside .btn { min-width: 215px; padding: 11px 16px; }
  .hero-meta { font-size: 8px; margin-top: 9px; }
  .showcase-top { min-height: 49px; gap: 0; }
  .preview-tabs { justify-content: space-between; gap: 22px; width: 100%; }
  .preview-tab { font-size: 11px; gap: 6px; }
  .preview-tab > span { font-size: 7px; }
  .showcase-label { display: none; }
  .product-screen { min-width: 680px; height: 310px; }
  .screen-caption { position: sticky; left: 0; display: grid; gap: 6px; padding: 12px 14px; font-size: 10px; min-height: 60px; }
  .screen-caption-index { font-size: 8px; }
  .showcase-foot { font-size: 7px; padding-top: 10px; }
  .showcase-foot > span:last-child { font-size: 6px; letter-spacing: 0; }
  .foot-divider { margin: 0 4px; }
  .capabilities { padding: 36px 0 40px; }
  .capability-heading { display: block; padding: 22px 0 24px; }
  .capability-heading h2 { font-size: 29px; letter-spacing: -1px; }
  .capability-heading > p { font-size: 11px; margin-top: 17px; }
  .capability-row { grid-template-columns: 22px 1fr; padding: 20px 0; gap: 12px 14px; }
  .capability-number { grid-row: 1 / 3; font-size: 9px; padding-top: 3px; }
  .capability-row h3 { font-size: 19px; margin-bottom: 4px; }
  .capability-row .technical-label { font-size: 7px; }
  .capability-row > p { grid-column: 2; font-size: 11px; line-height: 1.95; }
  .control-section { padding: 21px 0 36px; }
  .control-section > .section-index > span:last-child { font-size: 7px; }
  .control-grid { grid-template-columns: 1fr; gap: 30px; margin-top: 26px; }
  .control-kicker { font-size: 29px; margin-bottom: 17px; }
  .control-copy { font-size: 11px; max-width: 100%; margin-bottom: 18px; }
  .ledger-row { padding: 16px 0; }
  .ledger-row strong { font-size: 12px; }
  .ledger-row p { font-size: 10px; }
  .download-callout { display: block; padding: 25px 0 33px; }
  .download-callout .technical-label { font-size: 8px; }
  .download-callout h2 { font-size: 26px; }
  .download-callout .btn { margin-top: 23px; min-width: 215px; }
  .download-intro { padding: 22px 0 27px; }
  .download-title-row { align-items: start; padding-top: 29px; gap: 15px; }
  .download-title-row h1 { font-size: 58px; letter-spacing: -3px; margin-bottom: 15px; }
  .download-title-row > div > p { font-size: 11px; max-width: 155px; }
  .download-version { padding-top: 6px; }
  .download-version .technical-label { font-size: 7px; }
  .download-version strong { font-size: 25px; letter-spacing: -1px; }
  .download-version > span:last-child { font-size: 9px; }
  .release-selection { flex-wrap: wrap; gap: 2px 15px; padding-top: 15px; }
  .release-selection > .technical-label { flex-basis: 100%; font-size: 8px; }
  .arch-selector { min-height: 49px; }
  .arch-selector button { padding: 12px 10px; font-size: 10px; }
  .chip-help { font-size: 8px; }
  .download-package { display: grid; gap: 27px; padding: 24px; }
  .package-identity { gap: 20px; }
  .package-symbol { width: 62px; height: 80px; }
  .package-symbol svg { width: 31px; height: 31px; }
  .package-identity h2 { font-size: 40px; margin: 2px 0 8px; }
  .package-identity .technical-label { font-size: 7px; }
  .package-identity p { font-size: 8px; }
  .package-action { justify-items: stretch; gap: 10px; }
  .package-action .btn { min-width: 0; width: 100%; min-height: 48px; gap: 12px; padding: 11px 15px; font-size: 11px; }
  .package-format { font-size: 7px; text-align: center; }
  .release-facts { display: grid; gap: 10px; font-size: 10px; padding: 14px 0; }
  .release-facts > span { max-width: 100%; text-align: left; font-size: 9px; }
  .integrity { flex-wrap: wrap; gap: 8px 15px; padding: 12px 0; }
  .integrity-label { font-size: 9px; }
  .checksum { order: 3; flex-basis: 100%; font-size: 9px; }
  .copy-button { margin-left: auto; font-size: 9px; }
  .download-documentation { grid-template-columns: 1fr; gap: 34px; padding: 30px 0 39px; }
  .download-rail h2 { font-size: 26px; margin: 9px 0 21px; }
  .system-spec { display: grid; grid-template-columns: 1fr 1fr; gap: 0 24px; font-size: 10px; margin-bottom: 18px; }
  .system-spec > div { display: grid; grid-template-columns: 1fr; gap: 5px; padding: 11px 0; }
  .download-rail .text-link { font-size: 10px; }
  .install-list { margin-top: 14px; }
  .install-list li { grid-template-columns: 25px 1fr; gap: 7px 12px; padding: 16px 0; }
  .install-list h3 { font-size: 12px; }
  .install-list p, .install-notice { font-size: 11px; }
  .update-section { margin-top: 30px; }
  .update-section h2 { font-size: 20px; }
  .faq summary { font-size: 11px; }
  .page-intro { padding: 25px 0 30px; }
  .page-intro .eyebrow { font-size: 8px; }
  .page-intro h1 { font-size: 36px; letter-spacing: -1.5px; margin: 29px 0 15px; }
  .page-intro > p { font-size: 12px; }
  .changelog-toolbar { font-size: 9px; }
  .release-entry { grid-template-columns: 1fr; gap: 18px; padding: 24px 0; }
  .release-entry > div:first-child { display: flex; align-items: center; flex-wrap: wrap; gap: 12px; }
  .release-version { font-size: 18px; margin: 0; }
  .release-date { font-size: 9px; }
  .release-status { font-size: 8px; margin: 0; }
  .release-entry h2 { font-size: 19px; margin-bottom: 12px; }
  .release-entry ul { font-size: 11px; }
  .release-list { padding-bottom: 30px; }
  .guide-grid { grid-template-columns: 1fr; gap: 28px; padding-top: 19px; }
  .guide-nav { display: flex; flex-wrap: wrap; gap: 10px 19px; position: static; font-size: 10px; border-bottom: 1px solid var(--line); padding-bottom: 20px; }
  .guide-content h2 { font-size: 21px; }
  .guide-content p, .guide-content li { font-size: 11px; }
  .closing { display: block; padding: 25px 0 35px; }
  .closing h2 { font-size: 24px; }
  .closing p { font-size: 11px; }
  .closing .btn { margin-top: 20px; }
  .site-footer { padding: 21px 0; }
  .footer-top { align-items: start; gap: 20px; }
  .footer-brand { font-size: 16px; letter-spacing: -.6px; gap: 7px; }
  .footer-brand img { width: 21px; height: 21px; }
  .footer-links { gap: 10px 16px; font-size: 9px; flex-wrap: wrap; justify-content: end; max-width: 170px; }
  .footer-bottom { font-size: 7px; gap: 18px; margin-top: 23px; }
  .footer-bottom > span > span { margin: 0 3px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { transition: none !important; animation: none !important; }
}