/* Hallmark · macrostructure: Split Studio · H2 knobs: ratio=7/5, right=product-decision, divider=negative-space
 * theme: custom · vibe: "海盐旅馆、夜色、珊瑚行动、克制暖金" · nav: N12 Banner + retract · footer: Ft5 Statement
 * pre-emit critique: P5 H5 E4 S5 R4 V5 · contrast: pass · slop gate: pass · mobile: pass
 */
@import url("../../tokens.css");

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; overflow-x: clip; background: var(--color-paper); }
body {
  margin: 0;
  min-width: 20rem;
  overflow-x: clip;
  background: var(--color-paper);
  color: var(--color-ink);
  font-family: var(--font-body);
  font-size: var(--text-base);
  line-height: 1.7;
  font-synthesis: none;
  padding-block-end: 4.75rem;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: var(--z-base);
  opacity: .035;
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 180 180' xmlns='http://www.w3.org/2000/svg'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='2' stitchTiles='stitch'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)' opacity='.6'/%3E%3C/svg%3E");
  mix-blend-mode: multiply;
}
img { display: block; max-width: 100%; height: auto; }
a { color: inherit; text-underline-offset: .2em; }
button, input { font: inherit; }
button, a { -webkit-tap-highlight-color: transparent; }
h1, h2, h3, p, dl, dd, figure, blockquote { margin: 0; }
h1, h2, h3 {
  font-family: var(--font-display);
  font-style: normal;
  line-height: 1.06;
  letter-spacing: -.025em;
  overflow-wrap: anywhere;
  min-width: 0;
}
h1 { font-size: var(--text-display); font-weight: 700; }
h2 { font-size: clamp(2.25rem, 5.5vw, 4.2rem); font-weight: 700; }
h3 { font-size: var(--text-xl); font-weight: 700; }
p { max-width: 68ch; }
ul, ol { margin-block: 0; padding-inline-start: 1.25rem; }
summary { list-style: none; }
summary::-webkit-details-marker { display: none; }

.skip-link {
  position: fixed;
  inset-block-start: var(--space-sm);
  inset-inline-start: var(--space-sm);
  z-index: var(--z-tooltip);
  transform: translateY(-180%);
  background: var(--color-night);
  color: var(--color-night-ink);
  padding: var(--space-sm) var(--space-md);
}
.skip-link:focus { transform: none; }
.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;
}
.section-shell { width: min(100% - (var(--page-gutter) * 2), var(--content-max)); margin-inline: auto; }
.section-pad { padding-block: var(--space-3xl); }
.section-head { display: grid; gap: var(--space-md); margin-block-end: var(--space-xl); }
.section-head p { color: var(--color-muted); font-size: var(--text-md); }
.section-head--split { align-items: end; }
.muted { color: var(--color-muted); }
.tnum { font-variant-numeric: tabular-nums; }
.tag-row { display: flex; flex-wrap: wrap; gap: var(--space-xs); }
.tag {
  display: inline-flex;
  align-items: center;
  min-height: 2rem;
  border: var(--rule-hair) solid var(--color-rule);
  border-radius: var(--radius-round);
  padding: var(--space-2xs) var(--space-sm);
  color: var(--color-ink-2);
  font-size: var(--text-sm);
  white-space: nowrap;
}

:focus-visible { outline: var(--rule-strong) solid var(--color-focus); outline-offset: 3px; }

.button {
  position: relative;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-xs);
  min-height: 3rem;
  border: var(--rule-strong) solid var(--color-ink);
  border-radius: var(--radius-sm);
  padding: var(--space-sm) var(--space-lg);
  background: var(--color-paper);
  color: var(--color-ink);
  font-weight: 700;
  text-decoration: none;
  white-space: nowrap;
  cursor: pointer;
  transition: transform var(--dur-micro) var(--ease-out), background-color var(--dur-short) var(--ease-out), color var(--dur-short) var(--ease-out);
}
.button--primary { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); overflow: hidden; }
.button--primary::after {
  content: "";
  position: absolute;
  inset: -150% -45%;
  transform: translateX(-62%) rotate(17deg);
  background: linear-gradient(90deg, transparent, color-mix(in oklch, var(--color-paper) 72%, transparent), transparent);
  transition: transform var(--dur-long) var(--ease-out);
  pointer-events: none;
}
.button--ghost { background: transparent; color: var(--color-night-ink); border-color: var(--color-gold); }
.button[aria-disabled="true"], .button:disabled { opacity: .52; cursor: not-allowed; pointer-events: none; }
.button[data-state="loading"] { cursor: progress; }
.button[data-state="loading"]::before {
  content: "";
  width: 1rem;
  aspect-ratio: 1;
  border: var(--rule-strong) solid currentColor;
  border-inline-end-color: transparent;
  border-radius: var(--radius-round);
  animation: spin .8s linear infinite;
}
.button[data-state="error"] { border-color: var(--color-error); color: var(--color-error); }
.button[data-state="success"] { border-color: var(--color-success); color: var(--color-success); }
@keyframes spin { to { transform: rotate(360deg); } }

.site-nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: var(--z-sticky);
  transform: translateY(0);
  transition: transform var(--dur-short) var(--ease-out);
}
.site-nav.is-compact { transform: translateY(calc(var(--banner-height) * -1)); }
.site-nav.is-dismissed { transform: none; }
.site-nav.is-dismissed .announcement { display: none; }
.announcement {
  height: var(--banner-height);
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-md);
  padding-inline: var(--page-gutter);
  background: var(--color-night);
  color: var(--color-night-ink);
  font-size: var(--text-sm);
}
.announcement p { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.announcement a { color: var(--color-gold); white-space: nowrap; font-weight: 700; }
.icon-button {
  min-width: 2.75rem;
  min-height: 2.75rem;
  display: inline-grid;
  place-items: center;
  border: 0;
  background: transparent;
  color: inherit;
  cursor: pointer;
  border-radius: var(--radius-xs);
}
.announcement .icon-button { min-width: 2rem; min-height: 2rem; }
.nav-bar {
  min-height: var(--nav-height);
  border-block-end: var(--rule-hair) solid var(--color-rule-2);
  background: color-mix(in oklch, var(--color-paper) 92%, transparent);
  backdrop-filter: blur(14px) saturate(.9);
}
.nav-inner {
  width: min(100% - (var(--page-gutter) * 2), var(--content-max));
  min-height: inherit;
  margin-inline: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-lg);
}
.brand { display: inline-flex; align-items: center; gap: var(--space-sm); text-decoration: none; white-space: nowrap; }
.brand img { width: 2.5rem; height: 2.5rem; object-fit: cover; border-radius: 50%; border: var(--rule-hair) solid var(--color-gold); }
.brand span { display: grid; line-height: 1.1; }
.brand b { font-family: var(--font-display); font-size: var(--text-lg); }
.brand small { font-size: var(--text-xs); color: var(--color-muted); letter-spacing: .08em; }
.primary-menu { display: none; align-items: center; gap: var(--space-xs); }
.primary-menu a {
  min-height: 2.75rem;
  display: inline-flex;
  align-items: center;
  padding-inline: var(--space-sm);
  text-decoration: none;
  white-space: nowrap;
  border-radius: var(--radius-xs);
}
.primary-menu a[aria-current="page"] { color: var(--color-accent-deep); font-weight: 700; }
.nav-cta { background: var(--color-accent); color: var(--color-accent-ink); }
.menu-toggle { position: relative; }
.menu-toggle span, .menu-toggle::before, .menu-toggle::after {
  content: "";
  display: block;
  width: 1.35rem;
  height: var(--rule-strong);
  background: currentColor;
  transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out);
}
.menu-toggle span { margin-block: .3rem; }
.menu-toggle[aria-expanded="true"] span { opacity: 0; }
.menu-toggle[aria-expanded="true"]::before { transform: translateY(.42rem) rotate(45deg); }
.menu-toggle[aria-expanded="true"]::after { transform: translateY(-.42rem) rotate(-45deg); }
.mobile-menu {
  display: grid;
  gap: var(--space-xs);
  padding: var(--space-md) var(--page-gutter) var(--space-lg);
  background: var(--color-paper);
  border-block-end: var(--rule-hair) solid var(--color-rule);
  transform-origin: top;
}
.mobile-menu[hidden] { display: none; }
.mobile-menu a { min-height: 3rem; display: flex; align-items: center; text-decoration: none; white-space: nowrap; }

.hero {
  position: relative;
  min-height: clamp(38rem, 78dvh, 54rem);
  padding-block-start: calc(var(--banner-height) + var(--nav-height) + var(--space-xl));
  padding-block-end: var(--space-3xl);
  background: var(--color-night);
  color: var(--color-night-ink);
  isolation: isolate;
}
.hero-grid {
  width: min(100% - (var(--page-gutter) * 2), var(--content-max));
  margin-inline: auto;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--space-xl);
  align-items: stretch;
}
.hero-visual {
  position: relative;
  min-height: 20rem;
  order: 2;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--color-night-2);
}
.hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, color-mix(in oklch, var(--color-night) 82%, transparent), color-mix(in oklch, var(--color-night) 28%, transparent));
  pointer-events: none;
}
.hero-visual > img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 28%;
  transform: scale(1.03);
  animation: hero-breathe 16s var(--ease-in-out) alternate infinite;
}
@keyframes hero-breathe { to { transform: scale(1.05); } }
.hero-dialogue {
  position: absolute;
  inset-inline: var(--space-md);
  inset-block-end: var(--space-md);
  z-index: var(--z-raised);
  padding: var(--space-md);
  border: var(--rule-hair) solid var(--color-gold);
  background: color-mix(in oklch, var(--color-night) 88%, transparent);
  color: var(--color-night-ink);
}
.hero-dialogue small { display: block; color: var(--color-gold); margin-block-end: var(--space-2xs); }
.hero-dialogue p { font-family: var(--font-display); font-size: var(--text-lg); line-height: 1.3; }
.hero-copy {
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: var(--space-lg);
  min-width: 0;
  order: 1;
}
.hero-copy h1 span, .hero-copy h1 small { display: block; }
.hero-copy h1 small { font-size: .42em; font-family: var(--font-body); letter-spacing: .08em; color: var(--color-gold); margin-block-start: var(--space-xs); }
.hero-lede { font-size: var(--text-md); color: color-mix(in oklch, var(--color-night-ink) 82%, var(--color-night)); max-width: 48ch; }
.hero-actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }
.hero-facts { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
.hero-facts div { padding-block-start: var(--space-sm); border-block-start: var(--rule-hair) solid var(--color-night-3); min-width: 0; }
.hero-facts dt { color: color-mix(in oklch, var(--color-night-ink) 65%, var(--color-night)); font-size: var(--text-sm); }
.hero-facts dd { margin-block-start: var(--space-2xs); font-weight: 700; overflow-wrap: anywhere; }
.hero-note { color: color-mix(in oklch, var(--color-night-ink) 62%, var(--color-night)); font-size: var(--text-sm); }
.hero-reveal { opacity: 0; transform: translateY(.5rem); animation: reveal var(--dur-long) var(--ease-out) forwards; animation-delay: calc(var(--i, 0) * 80ms); }
@keyframes reveal { to { opacity: 1; transform: none; } }

.info-desk { margin-block-start: calc(var(--space-xl) * -1); position: relative; z-index: var(--z-raised); }
.info-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
  box-shadow: 0 1px 2px color-mix(in oklch, var(--color-ink) 7%, transparent);
}
.info-grid div { padding: var(--space-md); border-block-end: var(--rule-hair) solid var(--color-rule-2); min-width: 0; }
.info-grid dt { color: var(--color-muted); font-size: var(--text-sm); }
.info-grid dd { font-weight: 700; overflow-wrap: anywhere; }

.story-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); align-items: start; }
.story-copy { display: grid; gap: var(--space-md); font-size: var(--text-md); }
.choice-box {
  padding: var(--space-lg);
  background: var(--color-night);
  color: var(--color-night-ink);
  border-radius: var(--radius-md);
  display: grid;
  gap: var(--space-md);
}
.choice-box p { font-family: var(--font-display); font-size: var(--text-xl); line-height: 1.3; }
.choice-row { display: grid; gap: var(--space-xs); }
.choice-row a { display: flex; align-items: center; min-height: 2.75rem; border: var(--rule-hair) solid var(--color-gold); padding-inline: var(--space-sm); text-decoration: none; white-space: nowrap; }

.split-band { background: var(--color-paper-2); }
.split-row { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); align-items: center; padding-block: var(--space-xl); }
.split-row + .split-row { border-block-start: var(--rule-hair) solid var(--color-rule); }
.split-copy { display: grid; gap: var(--space-md); }
.split-copy p { color: var(--color-muted); }
.split-media { position: relative; min-width: 0; }
.media-button {
  width: 100%;
  padding: 0;
  border: 0;
  background: var(--color-night-2);
  color: var(--color-night-ink);
  cursor: zoom-in;
  border-radius: var(--radius-md);
  overflow: hidden;
}
.media-button img { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; transition: transform var(--dur-short) var(--ease-out), opacity var(--dur-short) var(--ease-out); }
.media-button:active img { transform: scale(.99); }
.media-caption { margin-block-start: var(--space-xs); color: var(--color-muted); font-size: var(--text-sm); }

.feature-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.feature-card {
  min-height: 13rem;
  padding: var(--space-lg);
  border: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: var(--space-lg);
  transition: transform var(--dur-short) var(--ease-out), background-color var(--dur-short) var(--ease-out);
}
.feature-card__mark { width: 2.5rem; height: .25rem; background: var(--color-accent); }
.feature-card p { color: var(--color-muted); }

.gallery-preview, .gallery-page { background: var(--color-night); color: var(--color-night-ink); }
.gallery-preview .section-head p, .gallery-page .section-head p { color: color-mix(in oklch, var(--color-night-ink) 67%, var(--color-night)); }
.gallery-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-sm); }
.gallery-item { position: relative; min-width: 0; }
.gallery-item img { aspect-ratio: 4 / 3; object-fit: cover; }
.gallery-item[hidden] { display: none; }
.gallery-item__label { position: absolute; inset-inline: var(--space-sm); inset-block-end: var(--space-sm); z-index: var(--z-raised); color: var(--color-night-ink); font-size: var(--text-sm); text-align: start; }
.gallery-item::after { content: ""; position: absolute; inset: 45% 0 0; background: linear-gradient(transparent, color-mix(in oklch, var(--color-night) 88%, transparent)); pointer-events: none; }
.gallery-tabs { display: flex; flex-wrap: wrap; gap: var(--space-xs); margin-block-end: var(--space-xl); }
.filter-button {
  min-height: 2.75rem;
  border: var(--rule-hair) solid var(--color-night-3);
  border-radius: var(--radius-round);
  background: transparent;
  color: var(--color-night-ink);
  padding-inline: var(--space-md);
  white-space: nowrap;
  cursor: pointer;
}
.filter-button[aria-selected="true"] { background: var(--color-accent); color: var(--color-accent-ink); border-color: var(--color-accent); }
.filter-button:disabled, .filter-button[aria-disabled="true"], .icon-button:disabled, .icon-button[aria-disabled="true"] { opacity: .52; cursor: not-allowed; pointer-events: none; }
.filter-button[data-state="loading"], .icon-button[data-state="loading"] { cursor: progress; opacity: .72; }
.filter-button[data-state="error"], .icon-button[data-state="error"] { border-color: var(--color-error); color: var(--color-error); }
.filter-button[data-state="success"], .icon-button[data-state="success"] { border-color: var(--color-success); color: var(--color-success); }

.timeline { display: grid; gap: 0; border-block-start: var(--rule-hair) solid var(--color-rule); }
.timeline details { border-block-end: var(--rule-hair) solid var(--color-rule); }
.timeline summary { min-height: 4.5rem; display: grid; grid-template-columns: 5rem minmax(0, 1fr) auto; align-items: center; gap: var(--space-md); cursor: pointer; }
.timeline summary span { color: var(--color-accent-deep); font-weight: 700; }
.timeline summary::after, .faq summary::after { content: "+"; font-size: var(--text-xl); line-height: 1; }
.timeline details[open] summary::after, .faq details[open] summary::after { content: "−"; }
.timeline__body { padding: 0 0 var(--space-lg) var(--space-2xl); color: var(--color-muted); }
.timeline__body ul { display: grid; gap: var(--space-xs); }

.fit-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.fit-card { padding: var(--space-lg); background: var(--color-paper-2); display: grid; gap: var(--space-md); }
.fit-card:nth-child(2) { background: var(--color-night); color: var(--color-night-ink); }
.fit-card:nth-child(2) p { color: color-mix(in oklch, var(--color-night-ink) 70%, var(--color-night)); }
.fit-card p { color: var(--color-muted); }

.faq { border-block-start: var(--rule-hair) solid var(--color-rule); }
.faq details { border-block-end: var(--rule-hair) solid var(--color-rule); }
.faq summary { min-height: 4.5rem; display: grid; grid-template-columns: minmax(0, 1fr) auto; align-items: center; gap: var(--space-md); cursor: pointer; font-weight: 700; }
.faq__answer { padding-block: 0 var(--space-lg); color: var(--color-muted); max-width: 72ch; }

.final-cta { background: var(--color-night); color: var(--color-night-ink); padding-block: var(--space-3xl); }
.final-cta__inner { display: grid; gap: var(--space-lg); align-items: end; }
.final-cta p { color: color-mix(in oklch, var(--color-night-ink) 68%, var(--color-night)); }
.final-cta__actions { display: flex; flex-wrap: wrap; gap: var(--space-sm); }

.site-footer { background: var(--color-night); color: var(--color-night-ink); padding-block: var(--space-2xl) calc(var(--space-2xl) + 3rem); border-block-start: var(--rule-hair) solid var(--color-night-3); }
.footer-statement { font-family: var(--font-display); font-size: clamp(2.4rem, 7vw, 5.1rem); line-height: 1; max-width: 28ch; }
.footer-grid { display: grid; gap: var(--space-xl); margin-block-start: var(--space-2xl); padding-block-start: var(--space-lg); border-block-start: var(--rule-hair) solid var(--color-night-3); }
.footer-brand { display: grid; gap: var(--space-sm); }
.footer-brand p { color: color-mix(in oklch, var(--color-night-ink) 66%, var(--color-night)); }
.footer-links { display: flex; flex-wrap: wrap; gap: var(--space-sm) var(--space-lg); }
.footer-links a { color: var(--color-night-ink); white-space: nowrap; }
.related-games { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-xs) var(--space-md); }
.related-games a { color: color-mix(in oklch, var(--color-night-ink) 78%, var(--color-night)); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.legal { display: grid; gap: var(--space-xs); color: color-mix(in oklch, var(--color-night-ink) 58%, var(--color-night)); font-size: var(--text-sm); }

.sticky-download {
  position: fixed;
  inset: auto 0 0;
  z-index: var(--z-sticky);
  min-height: 4.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-sm);
  padding: var(--space-xs) max(var(--space-md), env(safe-area-inset-right)) max(var(--space-xs), env(safe-area-inset-bottom)) max(var(--space-md), env(safe-area-inset-left));
  border-block-start: var(--rule-hair) solid var(--color-rule);
  background: var(--color-paper);
}
.sticky-download p { font-size: var(--text-sm); line-height: 1.35; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.sticky-download .button { min-height: 2.875rem; padding-inline: var(--space-md); }
.back-to-top { position: fixed; inset-inline-end: var(--space-md); inset-block-end: 5.5rem; z-index: var(--z-sticky); background: var(--color-night); color: var(--color-night-ink); opacity: 0; pointer-events: none; transform: translateY(.5rem); transition: opacity var(--dur-short) var(--ease-out), transform var(--dur-short) var(--ease-out); }
.back-to-top.is-visible { opacity: 1; pointer-events: auto; transform: none; }

.lightbox {
  position: fixed;
  inset: 0;
  margin: auto;
  width: min(94%, 76rem);
  height: fit-content;
  max-height: 88dvh;
  border: 0;
  padding: 0;
  background: var(--color-night);
  color: var(--color-night-ink);
  border-radius: var(--radius-md);
  overflow: hidden;
}
.lightbox::backdrop { background: color-mix(in oklch, var(--color-night) 84%, transparent); }
.lightbox[open] { animation: modal-in var(--dur-short) var(--ease-out); }
@keyframes modal-in { from { opacity: 0; transform: scale(.98); } }
.lightbox__figure { display: grid; max-height: 88dvh; }
.lightbox__image { width: 100%; max-height: 76dvh; object-fit: contain; background: var(--color-night-2); }
.lightbox__caption { padding: var(--space-sm) var(--space-2xl) var(--space-sm) var(--space-md); color: color-mix(in oklch, var(--color-night-ink) 76%, var(--color-night)); }
.lightbox__close, .lightbox__prev, .lightbox__next { position: absolute; z-index: var(--z-raised); background: var(--color-paper); color: var(--color-ink); }
.lightbox__close { inset: var(--space-sm) var(--space-sm) auto auto; }
.lightbox__prev { inset: 50% auto auto var(--space-sm); }
.lightbox__next { inset: 50% var(--space-sm) auto auto; }

.page-hero { padding-block: calc(var(--banner-height) + var(--nav-height) + var(--space-2xl)) var(--space-2xl); background: var(--color-night); color: var(--color-night-ink); }
.page-hero__inner { display: grid; gap: var(--space-md); }
.page-hero p { color: color-mix(in oklch, var(--color-night-ink) 68%, var(--color-night)); font-size: var(--text-md); }
.breadcrumb { display: flex; flex-wrap: wrap; gap: var(--space-xs); color: color-mix(in oklch, var(--color-night-ink) 62%, var(--color-night)); font-size: var(--text-sm); }
.breadcrumb a { white-space: nowrap; }

.platform-grid { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-md); }
.platform-card { padding: var(--space-xl); border: var(--rule-hair) solid var(--color-rule); background: var(--color-paper); display: grid; gap: var(--space-lg); }
.platform-card--recommended { background: var(--color-night); color: var(--color-night-ink); border-color: var(--color-gold); }
.platform-card--recommended p { color: color-mix(in oklch, var(--color-night-ink) 68%, var(--color-night)); }
.platform-card p { color: var(--color-muted); }
.recommend-tag { justify-self: start; color: var(--color-gold); border-color: var(--color-gold); }
.install-steps { display: grid; gap: var(--space-sm); counter-reset: install; }
.install-step { counter-increment: install; display: grid; grid-template-columns: 3rem minmax(0, 1fr); gap: var(--space-md); padding-block: var(--space-lg); border-block-end: var(--rule-hair) solid var(--color-rule); }
.install-step::before { content: counter(install, decimal-leading-zero); font-family: var(--font-display); font-size: var(--text-xl); color: var(--color-accent-deep); }
.install-step p { color: var(--color-muted); }
.notice { padding: var(--space-lg); background: var(--color-accent-soft); border: var(--rule-hair) solid var(--color-accent); }

.guide-layout { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-xl); align-items: start; }
.toc { padding: var(--space-lg); background: var(--color-paper-2); }
.toc h2 { font-size: var(--text-xl); }
.toc nav { display: grid; gap: var(--space-xs); margin-block-start: var(--space-md); }
.toc a { min-height: 2.75rem; display: flex; align-items: center; white-space: nowrap; }
.guide-content { display: grid; gap: var(--space-3xl); min-width: 0; }
.guide-section { display: grid; gap: var(--space-lg); scroll-margin-top: calc(var(--nav-height) + var(--space-lg)); }
.guide-section p, .guide-section li { color: var(--color-muted); }
.guide-cards { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-sm); }
.guide-card { padding: var(--space-lg); border: var(--rule-hair) solid var(--color-rule); display: grid; gap: var(--space-md); }
.guide-card a { font-weight: 700; white-space: nowrap; }
.route-table { width: 100%; border-collapse: collapse; }
.route-table th, .route-table td { padding: var(--space-sm); text-align: start; border-block-end: var(--rule-hair) solid var(--color-rule); vertical-align: top; }
.route-table th { color: var(--color-muted); font-weight: 400; }
.checklist { display: grid; gap: var(--space-xs); }
.checklist li::marker { color: var(--color-accent-deep); }

.article-shell { max-width: 52rem; }
.article-body { display: grid; gap: var(--space-xl); }
.article-body h2 { margin-block-start: var(--space-xl); }
.article-body p, .article-body li { color: var(--color-ink-2); }
.article-meta { display: flex; flex-wrap: wrap; gap: var(--space-sm); color: var(--color-muted); }

.image-error { display: none; min-height: 14rem; place-items: center; padding: var(--space-lg); background: var(--color-paper-2); color: var(--color-error); text-align: center; }
.has-image-error .image-error { display: grid; }
.has-image-error img { display: none; }

@media (hover: hover) and (pointer: fine) {
  .button:hover { transform: translateY(-1px); }
  .button--primary:hover::after { transform: translateX(62%) rotate(17deg); }
  .primary-menu a:hover, .mobile-menu a:hover { color: var(--color-accent-deep); }
  .media-button:hover img { transform: scale(1.018); opacity: .92; }
  .feature-card:hover { transform: translateY(-2px); background: var(--color-paper-2); }
  .choice-row a:hover { background: var(--color-gold); color: var(--color-accent-ink); }
  .filter-button:hover { border-color: var(--color-accent); }
}
.button:active, .filter-button:active, .icon-button:active { transform: translateY(1px); }

@media (min-width: 40rem) {
  .section-head--split { grid-template-columns: minmax(0, 1.4fr) auto; }
  .hero-facts { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .info-grid div { padding: var(--space-lg); }
  .feature-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .feature-card:first-child { grid-row: span 2; }
  .gallery-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .gallery-item:first-child { grid-column: span 2; }
  .fit-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .fit-card:nth-child(2) { grid-row: span 2; }
  .final-cta__inner { grid-template-columns: minmax(0, 1.4fr) auto; }
  .footer-grid { grid-template-columns: minmax(0, .8fr) minmax(0, 1.2fr); }
  .platform-grid, .guide-cards { grid-template-columns: repeat(2, minmax(0, 1fr)); }
}

@media (min-width: 60rem) {
  body { padding-block-end: 0; }
  .primary-menu { display: flex; }
  .menu-toggle, .mobile-menu { display: none; }
  .hero-grid { grid-template-columns: minmax(0, 1.15fr) minmax(22rem, .85fr); }
  .hero-visual { min-height: 36rem; order: 1; }
  .hero-copy { order: 2; }
  .story-layout { grid-template-columns: minmax(0, 1.15fr) minmax(20rem, .85fr); }
  .choice-box { position: sticky; top: calc(var(--nav-height) + var(--space-xl)); }
  .split-row { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-2xl); }
  .split-row:nth-child(even) .split-copy { order: 2; }
  .split-row:nth-child(even) .split-media { order: 1; }
  .feature-grid { grid-template-columns: 1.2fr .8fr 1fr; }
  .feature-card:first-child { grid-row: span 2; }
  .feature-card:last-child { grid-column: span 2; }
  .gallery-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
  .fit-grid { grid-template-columns: 1.1fr .9fr 1fr; }
  .fit-card:nth-child(2) { grid-row: auto; }
  .sticky-download { inset: auto var(--space-lg) var(--space-lg) auto; width: auto; border: var(--rule-hair) solid var(--color-rule); border-radius: var(--radius-md); padding: var(--space-xs); box-shadow: 0 1px 2px color-mix(in oklch, var(--color-ink) 8%, transparent); }
  .sticky-download p { display: none; }
  .back-to-top { inset-block-end: 6.75rem; }
  .platform-grid { grid-template-columns: 1.05fr .95fr; }
  .guide-layout { grid-template-columns: 18rem minmax(0, 1fr); }
  .toc { position: sticky; top: calc(var(--nav-height) + var(--space-xl)); }
}

@media (min-width: 90rem) {
  .hero-grid { grid-template-columns: minmax(0, 1.3fr) minmax(24rem, .7fr); }
  .section-pad { padding-block: var(--space-4xl); }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
  *, *::before, *::after { animation-duration: 150ms !important; animation-iteration-count: 1 !important; transition-duration: 150ms !important; }
  .hero-visual > img, .hero-reveal { animation: none; transform: none; opacity: 1; }
  .button[data-state="loading"]::before { animation-duration: 1.5s !important; animation-iteration-count: infinite !important; }
}