:root {
  color-scheme: light;
  --sky: #41bdfc;
  --sky-deep: #24617f;
  --navy: #2a1d2a;
  --navy-2: #0a0410;
  --medical-red: #b62227;
  --medical-red-dark: #841d22;
  --warm-red-gray: #824c4f;
  --cream: #fbfbf7;
  --paper: #f7fbfb;
  --white: #ffffff;
  --mint: #8e9f6c;
  --mint-dark: #824c4f;
  --yellow: #d6ca7d;
  --ink: #2a1d2a;
  --muted: #455c72;
  --line: #bfd9df;
  --line-strong: #7e9194;
  /* 母图色的网页派生面：仅改变明度/混白，不引入新色相。 */
  --ice: #d8fcfc;
  --ice-soft: #dff6ff;
  --ice-panel: #dff4fb;
  --ice-link-panel: #e5f5fa;
  --ice-table: #e9f5f8;
  --ice-row: #f3f9fa;
  --ice-border: #afd1de;
  --ice-band-border: #b9dfe7;
  --ice-card-border: #b9dce3;
  --ice-nav-text: #d9edf6;
  --ice-menu-text: #e6f5fb;
  --ice-hero-text: #f2fbff;
  --ice-source-text: #d8e8ee;
  --ice-source-link: #a8f7f9;
  --ice-source-note: #afc6cf;
  --ice-footer-link: #cdeafa;
  --ice-cta-text: #d9edf5;
  --ice-scroll-track: #dcecf1;
  --warm-surface: #f1eee8;
  --red-soft: #fff0ed;
  --red-soft-border: #efa9aa;
  --yellow-soft: #fff0bc;
  --yellow-ink: #674900;
  --footer-muted: #c5c6c9;
  /* 透明派生 Token：组件层不得直接写 rgba/white/transparent。 */
  --transparent: transparent;
  --white-09: rgba(255,255,255,.09);
  --white-16: rgba(255,255,255,.16);
  --white-20: rgba(255,255,255,.20);
  --white-26: rgba(255,255,255,.26);
  --white-32: rgba(255,255,255,.32);
  --white-35: rgba(255,255,255,.35);
  --white-70: rgba(255,255,255,.70);
  --white-88: rgba(255,255,255,.88);
  --white-90: rgba(255,255,255,.90);
  --outline-04: rgba(42,29,42,.04);
  --outline-10: rgba(42,29,42,.10);
  --outline-14: rgba(42,29,42,.14);
  --outline-18: rgba(42,29,42,.18);
  --outline-22: rgba(42,29,42,.22);
  --outline-28: rgba(42,29,42,.28);
  --outline-60: rgba(42,29,42,.60);
  --outline-76: rgba(42,29,42,.76);
  --outline-80: rgba(42,29,42,.80);
  --outline-84: rgba(42,29,42,.84);
  --outline-90: rgba(42,29,42,.90);
  --outline-94: rgba(42,29,42,.94);
  --outline-96: rgba(42,29,42,.96);
  --outline-97: rgba(42,29,42,.97);
  --sky-22: rgba(65,189,252,.22);
  --red-30: rgba(182,34,39,.30);
  --red-94: rgba(182,34,39,.94);
  --red-97: rgba(182,34,39,.97);
  --yellow-34: rgba(214,202,125,.34);
  --black-25: rgba(0,0,0,.25);
  --black-35: rgba(0,0,0,.35);
  --black-55: rgba(0,0,0,.55);
  --shadow-sm: 0 8px 24px rgba(42, 29, 42, .10);
  --shadow-lg: 0 24px 70px rgba(42, 29, 42, .18);
  --radius-sm: 12px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --content: 1180px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; scroll-padding-top: 92px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  font-size: 16px;
  line-height: 1.65;
}
img { max-width: 100%; }
a { color: var(--sky-deep); text-underline-offset: .2em; text-decoration-thickness: .1em; }
a:hover { color: var(--medical-red-dark); }
a:focus-visible, summary:focus-visible, .table-wrap:focus-visible {
  outline: 3px solid var(--white);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--muted);
}
.skip-link {
  position: fixed; z-index: 100; top: -5rem; left: 1rem;
  padding: .75rem 1rem; border-radius: 0 0 var(--radius-sm) var(--radius-sm);
  background: var(--yellow); color: var(--navy); font-weight: 900;
}
.skip-link:focus { top: 0; }

.site-header {
  position: sticky; z-index: 50; top: 0;
  border-bottom: 1px solid var(--white-16);
  background: var(--outline-96);
  color: var(--white);
  box-shadow: 0 8px 30px var(--outline-18);
  backdrop-filter: blur(14px);
}
.nav-shell, main, .footer-shell { width: min(var(--content), calc(100% - 2rem)); margin-inline: auto; }
.nav-shell { display: flex; align-items: center; gap: 1rem; min-height: 78px; }
.brand {
  display: inline-flex; flex: 0 0 auto; align-items: center; gap: .65rem;
  min-height: 48px; color: var(--white); font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif;
  font-size: 1.02rem; letter-spacing: .035em; text-decoration: none; text-transform: uppercase;
}
.brand:hover { color: var(--yellow); }
.brand-mark { display: block; width: 156px; height: 73px; border-radius: 9px; object-fit: cover; }
.site-nav { display: flex; flex: 1; align-items: center; justify-content: flex-end; gap: .1rem; }
.site-nav a {
  display: inline-flex; align-items: center; justify-content: center; min-height: 44px;
  padding: .55rem .68rem; border-radius: 10px; color: var(--ice-nav-text); font-size: .84rem;
  font-weight: 800; text-decoration: none; white-space: nowrap;
}
.site-nav a:hover { background: var(--white-09); color: var(--white); }
.site-nav a[aria-current="page"] { background: var(--sky-22); color: var(--white); }
.mobile-menu { display: none; position: relative; margin-left: auto; border: 0; background: var(--transparent); }
.mobile-menu summary { display: inline-flex; min-height: 44px; align-items: center; padding: .55rem .8rem; border: 1px solid var(--white-32); border-radius: 10px; background: var(--transparent); color: var(--white); font-weight: 900; cursor: pointer; list-style: none; }
.mobile-menu summary::-webkit-details-marker { display: none; }
.mobile-menu summary::after { display: none; content: none; }
.mobile-menu nav { position: absolute; z-index: 70; top: calc(100% + .55rem); right: 0; display: grid; width: min(280px, calc(100vw - 1.25rem)); padding: .55rem; border: 1px solid var(--white-16); border-radius: var(--radius-sm); background: var(--navy-2); box-shadow: var(--shadow-lg); }
.mobile-menu nav a { display: flex; min-height: 44px; align-items: center; padding: .55rem .7rem; border-radius: 8px; color: var(--ice-menu-text); font-weight: 800; text-decoration: none; }
.mobile-menu nav a:hover, .mobile-menu nav a[aria-current="page"] { background: var(--sky-22); color: var(--white); }
.steam-cta {
  display: inline-flex; flex: 0 0 auto; align-items: center; justify-content: center; min-height: 46px;
  padding: .65rem 1rem; border: 2px solid var(--yellow); border-radius: 999px;
  background: var(--yellow); color: var(--navy); font-size: .86rem; font-weight: 950; text-decoration: none;
}
.steam-cta:hover { border-color: var(--white); background: var(--white); color: var(--navy); }

main { padding: 0 0 6rem; }
.eyebrow {
  margin: 0 0 .7rem; color: var(--medical-red-dark); font-size: .76rem;
  font-weight: 950; letter-spacing: .16em; text-transform: uppercase;
}
h1, h2, h3 {
  margin-top: 0; color: var(--navy); font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif;
  font-stretch: condensed; line-height: .98; letter-spacing: .025em; text-transform: uppercase;
}
h1 { max-width: 900px; margin-bottom: 1rem; font-size: clamp(3rem, 8vw, 7rem); }
h2 { margin-bottom: 1rem; font-size: clamp(2rem, 4.2vw, 3.6rem); }
h3 { margin-bottom: .7rem; font-size: 1.4rem; line-height: 1.08; }
p { margin: 0 0 1rem; }
.lede { max-width: 780px; color: var(--muted); font-size: clamp(1.08rem, 2vw, 1.28rem); }

.hero {
  position: relative; margin-inline: calc(50% - 50vw); padding: clamp(4.5rem, 9vw, 8rem) max(1rem, calc((100vw - var(--content))/2));
  overflow: hidden; background: linear-gradient(135deg, var(--ice-soft) 0%, var(--cream) 100%);
}
.hero::before { content: ""; position: absolute; inset: 0; pointer-events: none; background: radial-gradient(circle at 90% 10%, var(--yellow-34), var(--transparent) 32rem); }
.hero > * { position: relative; z-index: 1; }
.home-hero {
  min-height: min(760px, calc(100svh - 78px)); display: flex; flex-direction: column; justify-content: center;
  padding-top: 4.5rem; padding-bottom: 4.5rem;
  background-image:
    linear-gradient(90deg, var(--outline-96) 0%, var(--outline-84) 38%, var(--outline-28) 68%, var(--outline-04) 100%),
    linear-gradient(0deg, var(--outline-76) 0%, var(--transparent) 48%),
    url("assets/hero-official-17.jpg");
  background-position: center, center, 57% center; background-size: cover;
}
.home-hero .eyebrow { color: var(--yellow); }
.home-hero h1 { max-width: 720px; color: var(--white); font-size: clamp(3.8rem, 7vw, 6.2rem); text-shadow: 0 5px 30px var(--black-35); }
.home-hero .lede { max-width: 640px; color: var(--ice-hero-text); font-size: clamp(1.05rem, 1.55vw, 1.18rem); line-height: 1.55; text-shadow: 0 2px 18px var(--black-55); }
.status-pill, .badge {
  display: inline-flex; width: fit-content; align-items: center; min-height: 34px; padding: .25rem .75rem;
  border-radius: 999px; background: var(--ice); color: var(--navy); font-size: .78rem; font-weight: 950;
  letter-spacing: .04em; text-transform: uppercase;
}
.status-pill { margin-bottom: 1rem; border: 1px solid var(--white-35); background: var(--red-97); color: var(--white); }
.badge.caution { background: var(--yellow-soft); color: var(--yellow-ink); }
.hero-actions, .next-links { display: flex; flex-wrap: wrap; gap: .75rem; margin-top: 1.5rem; }
.button-link {
  display: inline-flex; align-items: center; justify-content: center; min-height: 48px; padding: .7rem 1.05rem;
  border: 2px solid var(--navy); border-radius: 999px; color: var(--navy); font-weight: 900; text-decoration: none;
  transition: transform .18s ease, border-color .18s ease, background .18s ease, color .18s ease;
}
.button-link:hover { transform: translateY(-2px); border-color: var(--medical-red); color: var(--medical-red-dark); }
.button-link.primary { border-color: var(--medical-red-dark); background: var(--medical-red-dark); color: var(--white); box-shadow: 0 10px 28px var(--red-30); }
.button-link.primary:hover { border-color: var(--white); background: var(--white); color: var(--medical-red-dark); }
.home-hero .button-link:not(.primary) { border-color: var(--white-70); color: var(--white); }
.hero-facts { display: grid; grid-template-columns: repeat(4, 1fr); gap: 1px; max-width: 900px; margin: 2.2rem 0 0; overflow: hidden; border: 1px solid var(--white-26); border-radius: var(--radius-md); background: var(--white-20); }
.hero-fact { margin: 0; padding: 1rem 1.1rem; background: var(--outline-80); backdrop-filter: blur(8px); }
.hero-fact dt { color: var(--ice); font-size: .72rem; font-weight: 900; letter-spacing: .1em; text-transform: uppercase; }
.hero-fact dd { margin: .2rem 0 0; color: var(--white); font-size: 1.08rem; font-weight: 950; }

.hero-answer { max-width: 920px; margin-top: 1.8rem; padding: clamp(1.4rem, 3vw, 2.2rem); border: 1px solid var(--line-strong); border-left: 7px solid var(--medical-red); border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow-lg); }
.answer-kicker { display: block; margin-bottom: .4rem; color: var(--sky-deep); font-size: .78rem; font-weight: 950; letter-spacing: .12em; text-transform: uppercase; }
.answer-text { max-width: 820px; margin-bottom: .4rem; color: var(--navy); font-size: clamp(1.3rem, 3vw, 2rem); font-weight: 850; line-height: 1.3; }

.section { margin-top: clamp(4rem, 9vw, 7rem); }
.section-intro { max-width: 760px; color: var(--muted); font-size: 1.06rem; }
.section-band {
  margin-inline: calc(50% - 50vw); padding: clamp(4rem, 8vw, 7rem) max(1rem, calc((100vw - var(--content))/2));
  border-block: 1px solid var(--ice-band-border);
  background: linear-gradient(135deg, var(--ice) 0%, var(--cream) 52%, var(--warm-surface) 100%); color: var(--ink);
}
.section-band h2, .section-band h3 { color: var(--navy); }
.section-band .eyebrow { color: var(--medical-red-dark); }
.section-band .section-intro { color: var(--muted); }
.section-band .card { border-color: var(--ice-card-border); background: var(--white-90); color: var(--ink); }
.section-band .card h3 { color: var(--navy); }
.section-band .card p { color: var(--muted); }
.section-band .card a { color: var(--sky-deep); }
.section-band .card a:hover { color: var(--medical-red-dark); }
.section-band .button-link { border-color: var(--navy); color: var(--navy); }
.section-band .button-link:hover { border-color: var(--medical-red-dark); color: var(--medical-red-dark); }
.section-heading { display: flex; justify-content: space-between; gap: 2rem; align-items: end; margin-bottom: 1.8rem; }
.section-heading > * { margin-bottom: 0; }
.grid { display: grid; grid-template-columns: repeat(12, 1fr); gap: 1rem; }
.card {
  grid-column: span 6; min-width: 0; padding: 1.5rem; border: 1px solid var(--line);
  border-radius: var(--radius-md); background: var(--white-88); box-shadow: var(--shadow-sm);
  transition: transform .18s ease, border-color .18s ease, box-shadow .18s ease;
}
.card:hover { border-color: var(--sky); box-shadow: 0 12px 34px var(--outline-14); }
.card.wide { grid-column: span 12; }
.answer-card { min-height: 205px; border-top: 4px solid var(--sky); }
.answer-card:nth-child(3n+2) { border-top-color: var(--medical-red); }
.answer-card:nth-child(3n) { border-top-color: var(--mint); }
.answer-card p { color: var(--muted); }
.answer-card a, .task-link { display: inline-flex; align-items: center; min-height: 44px; font-weight: 900; }
.feature-grid .card:nth-child(1) { grid-column: span 7; }
.feature-grid .card:nth-child(2) { grid-column: span 5; }
.feature-grid .card:nth-child(3) { grid-column: span 12; }
.fact-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; margin-top: 1.5rem; }
.fact { margin: 0; padding: 1.2rem; border-top: 5px solid var(--sky); border-radius: 0 0 var(--radius-md) var(--radius-md); background: var(--white); box-shadow: var(--shadow-sm); }
.fact:nth-child(2) { border-top-color: var(--medical-red); }
.fact:nth-child(3) { border-top-color: var(--mint); }
.fact dt { color: var(--muted); font-size: .74rem; font-weight: 900; letter-spacing: .09em; text-transform: uppercase; }
.fact dd { margin: .3rem 0 0; color: var(--navy); font-size: 1.1rem; font-weight: 900; }
.task-grid { grid-template-columns: repeat(4, 1fr); }
.task-card { position: relative; display: flex; min-height: 190px; flex-direction: column; justify-content: space-between; padding: 1.4rem; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); color: var(--ink); text-decoration: none; box-shadow: var(--shadow-sm); transition: border-color .18s ease, box-shadow .18s ease; }
.task-card:hover { border-color: var(--medical-red); color: var(--ink); box-shadow: 0 12px 34px var(--outline-14); }
.task-card strong { display: block; color: var(--navy); font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif; font-size: 1.6rem; letter-spacing: .02em; line-height: 1.05; text-transform: uppercase; }
.task-card span:last-child { color: var(--medical-red-dark); font-weight: 950; }
.task-index { display: block; margin-bottom: 1.4rem; color: var(--sky-deep); font-size: .74rem; font-weight: 950; letter-spacing: .12em; }
.task-group { grid-column: span 6; }
.task-list { display: grid; gap: .65rem; margin: 0; padding: 0; list-style: none; }
.task-link { justify-content: space-between; width: 100%; padding: .8rem 1rem; border: 1px solid var(--ice-border); border-radius: var(--radius-sm); background: var(--ice-link-panel); color: var(--navy); text-decoration: none; }

.status-table { width: 100%; overflow: hidden; border: 1px solid var(--line); border-collapse: separate; border-spacing: 0; border-radius: var(--radius-md); background: var(--white); box-shadow: var(--shadow-sm); }
.status-table th, .status-table td { padding: 1rem; border-bottom: 1px solid var(--line); text-align: left; vertical-align: top; }
.status-table th { width: 25%; background: var(--ice-table); color: var(--navy); font-size: .78rem; letter-spacing: .08em; text-transform: uppercase; }
.status-table tr:last-child th, .status-table tr:last-child td { border-bottom: 0; }
.table-wrap { max-width: 100%; overflow-x: auto; border-radius: var(--radius-md); scrollbar-color: var(--sky) var(--ice-scroll-track); }
.comparison-table { min-width: 920px; }
.comparison-table th { width: auto; background: var(--navy); color: var(--white); }
.comparison-table td:first-child { color: var(--navy); font-weight: 950; }
.comparison-table tr:nth-child(even) td { background: var(--ice-row); }
.callout { padding: 1.5rem; border: 1px solid var(--red-soft-border); border-left: 7px solid var(--medical-red); border-radius: var(--radius-md); background: var(--red-soft); }
.source-box { margin-inline: calc(50% - 50vw); padding: clamp(3.5rem, 7vw, 6rem) max(1rem, calc((100vw - var(--content))/2)); background: var(--navy-2); color: var(--ice-source-text); }
.source-box h2, .source-box h3 { color: var(--white); }
.source-box .eyebrow { color: var(--yellow); }
.source-box a { color: var(--ice-source-link); overflow-wrap: anywhere; }
.source-item { padding: 1.2rem 0; border-bottom: 1px solid var(--white-16); }
.source-item:last-child { border-bottom: 0; }
.source-note { color: var(--ice-source-note); }
.label-row { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.plain-list { margin: 0; padding-left: 1.35rem; }
.plain-list li + li { margin-top: .7rem; }

.screenshot-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1.5rem 1rem; }
.screenshot-grid figure { display: flex; min-width: 0; flex-direction: column; gap: .6rem; margin: 0; }
.video-card { margin: 0; }
.screenshot-grid img { display: block; width: 100%; height: auto; min-height: 250px; aspect-ratio: 16/9; border: 1px solid var(--line); border-radius: var(--radius-md); object-fit: cover; box-shadow: var(--shadow-sm); }
.screenshot-grid figure:nth-child(2) img { object-position: 58% center; }
.screenshot-grid figcaption { margin: 0; color: var(--muted); font-size: .86rem; line-height: 1.45; }
.video-card figcaption { margin-top: .6rem; color: var(--muted); font-size: .86rem; }
.video-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1rem; }
.video-thumb { position: relative; display: block; min-height: 44px; overflow: hidden; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--navy); box-shadow: var(--shadow-sm); }
.video-thumb img { display: block; width: 100%; aspect-ratio: 16/9; object-fit: cover; transition: transform .25s ease, opacity .25s ease; }
.video-thumb:hover img { transform: scale(1.02); opacity: .88; }
.video-play { position: absolute; top: 50%; left: 50%; width: 68px; height: 52px; transform: translate(-50%, -50%); border: 2px solid var(--white); border-radius: 16px; background: var(--red-94); color: var(--white); font-size: 0; pointer-events: none; box-shadow: 0 10px 30px var(--black-25); }
.video-play::after { content: ""; position: absolute; top: 50%; left: 52%; transform: translate(-50%, -50%); border-top: 10px solid var(--transparent); border-bottom: 10px solid var(--transparent); border-left: 16px solid var(--white); }
.video-card figcaption { color: var(--ink); font-weight: 900; }
.video-author { color: var(--muted); font-weight: 600; }
.media-reference { display: grid; grid-template-columns: 52px 1fr; gap: 1rem; padding: 1.4rem; border: 2px dashed var(--sky-deep); border-radius: var(--radius-md); background: var(--ice-panel); }
.media-icon { display: grid; place-items: center; width: 52px; height: 52px; border-radius: 50%; background: var(--navy); color: var(--white); font-weight: 950; }
.hero-art { margin: 1.5rem 0 0; }
.hero-art img { display: block; width: 180px; height: 180px; border: 1px solid var(--line); border-radius: var(--radius-md); background: var(--white); }
.hero-art figcaption { margin-top: .5rem; color: var(--muted); font-size: .78rem; }

details { border: 1px solid var(--line); border-radius: var(--radius-sm); background: var(--white); }
details + details { margin-top: .7rem; }
summary { display: flex; min-height: 56px; align-items: center; justify-content: space-between; gap: 1rem; padding: .9rem 1rem; color: var(--navy); font-weight: 900; cursor: pointer; }
summary::after { content: "+"; color: var(--medical-red); font-size: 1.5rem; }
details[open] summary::after { content: "−"; }
.mobile-menu summary::after, .mobile-menu[open] summary::after { display: none; content: none; }
details p { padding: 0 1rem 1rem; }
.final-cta { margin-inline: calc(50% - 50vw); padding: clamp(4rem, 8vw, 7rem) max(1rem, calc((100vw - var(--content))/2)); background: linear-gradient(135deg, var(--sky-deep), var(--warm-red-gray)); color: var(--white); }
.final-cta h2 { max-width: 760px; color: var(--white); }
.final-cta p { max-width: 720px; color: var(--ice-cta-text); }

.site-footer { padding: 3rem 0; background: var(--navy-2); color: var(--footer-muted); }
.footer-shell { display: grid; grid-template-columns: 1.4fr 1fr 1fr; gap: 2rem; align-items: start; }
.site-footer p { margin: 0 0 .65rem; }
.site-footer a { display: inline-flex; min-height: 44px; align-items: center; color: var(--ice-footer-link); }
.site-footer nav { display: grid; }
.footer-label { color: var(--white); font-family: Impact, Haettenschweiler, "Arial Narrow Bold", "Arial Narrow", sans-serif; font-size: 1.3rem; letter-spacing: .04em; text-transform: uppercase; }
.footer-heading { color: var(--white); font-size: .78rem; font-weight: 950; letter-spacing: .12em; text-transform: uppercase; }

@media (max-width: 1060px) {
  .brand-mark { width: 132px; height: 62px; }
  .nav-shell { flex-wrap: wrap; padding: .55rem 0; }
  .site-nav { order: 3; flex-basis: 100%; justify-content: flex-start; overflow-x: auto; padding-bottom: .2rem; }
  .steam-cta { margin-left: auto; }
  .task-grid { grid-template-columns: repeat(2, 1fr); }
  .screenshot-grid { grid-template-columns: 1fr 1fr; }
  .screenshot-grid figure:first-child { grid-column: span 2; }
}
@media (max-width: 900px) {
  html { scroll-padding-top: 78px; }
  .nav-shell { flex-wrap: nowrap; min-height: 70px; padding: .45rem 0; }
  .site-nav { display: none; }
  .mobile-menu { display: block; }
  .steam-cta { margin-left: 0; }
  .home-hero { min-height: 700px; padding-top: 4rem; padding-bottom: 4rem; background-position: center, center, 68% center; }
  .home-hero h1 { font-size: clamp(3.5rem, 9vw, 5rem); }
  .hero-facts { margin-top: 2rem; }
}
@media (max-width: 760px) {
  html { scroll-padding-top: 72px; }
  .brand span { display: none; }
  .brand-mark { width: 120px; height: 56px; }
  .site-nav a { padding-inline: .75rem; }
  .hero { padding-top: 3.5rem; padding-bottom: 4rem; }
  .home-hero { min-height: auto; padding-top: 3.5rem; padding-bottom: 3.5rem; justify-content: flex-start; background-image: linear-gradient(90deg, var(--outline-97) 0%, var(--outline-90) 58%, var(--outline-60) 100%), linear-gradient(0deg, var(--outline-94) 0%, var(--outline-22) 78%), url("assets/hero-official-17.jpg"); background-position: center, center, 78% center; }
  .hero-facts { grid-template-columns: 1fr 1fr; }
  .card, .task-group, .feature-grid .card:nth-child(n) { grid-column: span 12; }
  .fact-grid, .video-grid { grid-template-columns: 1fr; }
  .section-heading { display: block; }
  .section-heading > * + * { margin-top: 1rem; }
  .footer-shell { grid-template-columns: 1fr 1fr; }
  .footer-shell > :first-child { grid-column: span 2; }
}
@media (max-width: 480px) {
  .nav-shell, main, .footer-shell { width: min(var(--content), calc(100% - 1.25rem)); }
  .steam-cta { padding-inline: .75rem; font-size: .78rem; }
  .brand-mark { width: 116px; height: 54px; }
  .steam-cta { display: none; }
  h1 { font-size: clamp(2.75rem, 14vw, 3.35rem); }
  .home-hero { padding-top: 2.75rem; padding-bottom: 2.75rem; background-position: center, center, 76% center; }
  .home-hero .status-pill { margin-bottom: .7rem; font-size: .68rem; }
  .home-hero .eyebrow { margin-bottom: .45rem; font-size: .68rem; }
  .home-hero .lede { font-size: .98rem; line-height: 1.48; }
  .home-hero .hero-actions .button-link:not(.primary) { display: none; }
  .home-hero .hero-actions { margin-top: 1rem; }
  .home-hero .button-link { width: 100%; }
  .hero-facts { grid-template-columns: 1fr 1fr; margin-top: 1.4rem; border-radius: var(--radius-sm); }
  .hero-fact { padding: .75rem .8rem; }
  .hero-fact dd { font-size: .96rem; }
  .task-grid, .screenshot-grid { grid-template-columns: 1fr; }
  .screenshot-grid figure:first-child { grid-column: auto; }
  .screenshot-grid img { min-height: auto; }
  .status-table, .status-table tbody, .status-table tr, .status-table th, .status-table td { display: block; width: 100%; }
  .status-table tr { padding: .7rem 0; border-bottom: 1px solid var(--line); }
  .status-table th, .status-table td { border: 0; padding: .25rem 1rem; }
  .comparison-table { display: table; width: 920px; }
  .comparison-table tbody { display: table-row-group; }
  .comparison-table tr { display: table-row; }
  .comparison-table th, .comparison-table td { display: table-cell; width: auto; padding: .85rem; }
  .media-reference { grid-template-columns: 1fr; }
  .footer-shell { grid-template-columns: 1fr; }
  .footer-shell > :first-child { grid-column: auto; }
}
@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { scroll-behavior: auto !important; transition-duration: .01ms !important; animation-duration: .01ms !important; animation-iteration-count: 1 !important; }
}