/* ==========================================================================
   KONGOTO — OFFICIAL WEBSITE & INTERACTIVE VI 2.0 SYSTEM
   Design System: Swiss Modular Grid × Camera Viewfinder Framing
   Strict Adherence to Kongoto Standard VI 2.0 (Pure Solid Fills, 45° Bevels)
   ========================================================================== */

@font-face {
  font-family: 'Kongoto Unbounded';
  src: url('../assets/fonts/Unbounded[wght].ttf') format('truetype');
  font-weight: 200 900;
  font-style: normal;
  font-display: swap;
}

@font-face {
  font-family: 'Kongoto Glow Sans';
  src: url('../assets/fonts/GlowSansSC-Normal-Medium.otf') format('opentype');
  font-weight: 600;
  font-style: normal;
  font-display: block;
}

@font-face {
  font-family: 'Kongoto Space Grotesk';
  src: url('../assets/fonts/SpaceGrotesk.ttf') format('truetype');
  font-weight: 300 700;
  font-style: normal;
  font-display: swap;
}

:root {
  /* Core VI 2.0 Palette (Strict sRGB) */
  --kongoto-blue: #0F2AF5;
  --kongoto-warm-white: #F9F9F5;
  --kongoto-obsidian: #101114;
  --kongoto-void: #181A20;
  --kongoto-deep-cobalt: #07124C;
  --kongoto-ink-primary: #252741;
  --kongoto-ink-secondary: #5A5E7D;
  --kongoto-border-light: #E2E3DC;
  --kongoto-border-dark: #262936;
  --kongoto-danger: #E12D4B;
  --kongoto-success: #0D9F6E;

  /* Active Theme Variables (Default: Standard Warm Ivory Editorial Mode) */
  --bg-main: #F9F9F5;
  --bg-elevated: #F1F2EC;
  --bg-card: #FFFFFF;
  --bg-inverse: #0F2AF5;
  --bg-cinema: #101114;
  --text-main: #252741;
  --text-muted: #5A5E7D;
  --text-accent: #0F2AF5;
  --text-on-blue: #F9F9F5;
  --border-color: #E2E3DC;
  --border-strong: #0F2AF5;
  --nav-bg: rgba(249, 249, 245, 0.94);

  /* Typography Stacks */
  --font-display: 'Kongoto Unbounded', 'Kongoto Space Grotesk', 'Kongoto Glow Sans', sans-serif;
  --font-sans: 'Kongoto Space Grotesk', 'Kongoto Glow Sans', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Hiragino Sans', 'Yu Gothic UI', 'Meiryo', sans-serif;
  --font-mono: 'Kongoto Space Grotesk', ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;

  /* Layout Metrics */
  --container-max: 1360px;
  --header-height: 76px;
}

[data-theme="dark"] {
  --bg-main: #101114;
  --bg-elevated: #15171C;
  --bg-card: #181A20;
  --bg-inverse: #0F2AF5;
  --bg-cinema: #0B0C0E;
  --text-main: #F9F9F5;
  --text-muted: #9BA1B8;
  --text-accent: #4D65FF;
  --text-on-blue: #F9F9F5;
  --border-color: #262936;
  --border-strong: #0F2AF5;
  --nav-bg: rgba(16, 17, 20, 0.94);
}

/* Reset & Base */
*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
  font-size: 16px;
}

body {
  background-color: var(--bg-main);
  color: var(--text-main);
  font-family: var(--font-sans);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  transition: background-color 0.25s ease, color 0.25s ease;
}

a {
  color: inherit;
  text-decoration: none;
}

img, svg, video, canvas {
  display: block;
  max-width: 100%;
}

button {
  font-family: inherit;
  color: inherit;
  cursor: pointer;
  border: none;
  background: none;
}

/* Utility & Structural Framing */
.container {
  width: 100%;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 32px;
}

/* Viewfinder Corner Brackets (VI 2.0 Framing Motif) */
.vf-frame {
  position: relative;
}

.vf-frame::before,
.vf-frame::after {
  content: '';
  position: absolute;
  width: 14px;
  height: 14px;
  pointer-events: none;
  transition: transform 0.25s ease, border-color 0.25s ease;
}

.vf-frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--kongoto-blue);
  border-left: 2px solid var(--kongoto-blue);
}

.vf-frame::after {
  bottom: -1px;
  right: -1px;
  border-bottom: 2px solid var(--kongoto-blue);
  border-right: 2px solid var(--kongoto-blue);
}

/* 45-Degree Beveled Button (Mirrors Logo 45° Diagonal Cut) */
.btn-bevel {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 14px 28px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  letter-spacing: 0.02em;
  background-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 14px 100%, 0 calc(100% - 14px));
  transition: transform 0.18s ease, background-color 0.18s ease, color 0.18s ease;
  white-space: nowrap;
}

.btn-bevel:hover {
  transform: translateY(-2px);
  background-color: #253EFF;
}

.btn-bevel--ivory {
  background-color: var(--kongoto-warm-white);
  color: var(--kongoto-blue);
}

.btn-bevel--ivory:hover {
  background-color: #FFFFFF;
  color: var(--kongoto-deep-cobalt);
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 13px 26px;
  font-family: var(--font-sans);
  font-weight: 600;
  font-size: 0.95rem;
  border: 1.5px solid currentColor;
  color: inherit;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
  white-space: nowrap;
}

.btn-outline:hover {
  background-color: var(--kongoto-blue);
  border-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
}

/* ==========================================================================
   TOP NAVIGATION BAR
   ========================================================================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  height: var(--header-height);
  background-color: var(--nav-bg);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border-color);
}

.nav-inner {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}

.brand-lockup {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  height: 40px;
}

.brand-lockup__symbol {
  width: 34px;
  height: 34px;
  flex-shrink: 0;
}

.brand-lockup__wordmark {
  height: 22px;
  width: auto;
}

.brand-lockup svg path {
  fill: var(--kongoto-blue);
  transition: fill 0.2s ease;
}

[data-theme="dark"] .brand-lockup svg path {
  fill: var(--kongoto-warm-white);
}

[data-theme="dark"] .brand-lockup:hover svg path {
  fill: var(--kongoto-blue);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
  list-style: none;
}

.nav-links a {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  position: relative;
  padding: 6px 0;
  transition: color 0.2s ease;
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: var(--kongoto-blue);
  transition: width 0.2s ease;
}

.nav-links a:hover {
  color: var(--kongoto-blue);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-controls {
  display: flex;
  align-items: center;
  gap: 12px;
}

.lang-switcher {
  display: inline-flex;
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  padding: 2px;
}

.lang-btn {
  padding: 5px 10px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: background-color 0.15s ease, color 0.15s ease;
}

.lang-btn.active {
  background-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
}

.theme-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  color: var(--text-main);
  transition: border-color 0.2s ease, background-color 0.2s ease;
}

.theme-toggle:hover {
  border-color: var(--kongoto-blue);
}

/* ==========================================================================
   HERO SECTION: BRAND SUPERGRAPHIC + NATIVE v20 KINEMATIC STAGE
   ========================================================================== */
.hero {
  position: relative;
  background-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
  overflow: hidden;
  border-bottom: 1px solid var(--border-color);
}

/* VI 2.0 Single-Corner Supergraphic in Hero Background (Upper-Right Cropped) */
.hero__supergraphic {
  position: absolute;
  top: -8%;
  right: -4%;
  width: min(56vw, 820px);
  height: auto;
  pointer-events: none;
  z-index: 1;
  opacity: 0.16;
}

.hero__grid {
  position: relative;
  z-index: 2;
  display: grid;
  grid-template-columns: 1.05fr 1.15fr;
  gap: 48px;
  align-items: center;
  padding: 72px 0 80px;
}

.hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 5px 12px;
  background-color: rgba(249, 249, 245, 0.12);
  border-left: 3px solid var(--kongoto-warm-white);
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

.hero__title {
  font-family: var(--font-sans);
  font-size: clamp(2.2rem, 4vw, 3.35rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin-bottom: 14px;
}

.hero__subtitle-en {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 1.5vw, 1.25rem);
  font-weight: 500;
  color: rgba(249, 249, 245, 0.88);
  margin-bottom: 24px;
}

.hero__desc {
  font-size: 1.02rem;
  color: rgba(249, 249, 245, 0.86);
  max-width: 540px;
  margin-bottom: 36px;
  line-height: 1.75;
}

.hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 40px;
}

.hero__meta-row {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(249, 249, 245, 0.22);
  justify-content: start;
}

.hero__stat-label {
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: rgba(249, 249, 245, 0.7);
  display: block;
}

.hero__stat-value {
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 600;
}

/* Native v20 Interactive Stage Card */
.v20-stage-card {
  background-color: var(--kongoto-obsidian);
  border: 2px solid rgba(249, 249, 245, 0.28);
  color: var(--kongoto-warm-white);
  box-shadow: 0 24px 60px rgba(7, 18, 76, 0.45);
}

.v20-stage-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 18px;
  background-color: var(--kongoto-void);
  border-bottom: 1px solid var(--kongoto-border-dark);
  font-family: var(--font-mono);
  font-size: 0.78rem;
}

.v20-stage-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.v20-dot {
  width: 8px;
  height: 8px;
  background-color: var(--kongoto-blue);
  display: inline-block;
}

.v20-canvas-wrap {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--kongoto-obsidian);
  overflow: hidden;
}

#v20Canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.v20-telemetry {
  position: absolute;
  top: 12px;
  left: 14px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: rgba(249, 249, 245, 0.72);
  background-color: rgba(16, 17, 20, 0.75);
  padding: 6px 10px;
  border-left: 2px solid var(--kongoto-blue);
  pointer-events: none;
  line-height: 1.45;
}

.v20-controls {
  padding: 14px 18px;
  background-color: var(--kongoto-void);
  border-top: 1px solid var(--kongoto-border-dark);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.v20-scrubber-row {
  display: flex;
  align-items: center;
  gap: 12px;
}

.v20-btn {
  padding: 6px 12px;
  background-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  transition: background-color 0.15s ease;
}

.v20-btn:hover {
  background-color: #2942FF;
}

.v20-btn--ghost {
  background-color: #252834;
  color: var(--kongoto-warm-white);
}

.v20-btn--ghost.active {
  background-color: var(--kongoto-blue);
}

.v20-slider {
  flex: 1;
  accent-color: var(--kongoto-blue);
  cursor: pointer;
}

.v20-time-readout {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  min-width: 92px;
  text-align: right;
  color: #9BA1B8;
}

.v20-toolbar-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.75rem;
  color: #9BA1B8;
}

.v20-bg-pills {
  display: inline-flex;
  gap: 6px;
}

/* ==========================================================================
   SECTION HEADERS (SWISS EDITORIAL GRID)
   ========================================================================== */
.section {
  padding: 88px 0;
  border-bottom: 1px solid var(--border-color);
}

.section--alt {
  background-color: var(--bg-elevated);
}

.section--cinema {
  background-color: var(--kongoto-obsidian);
  color: var(--kongoto-warm-white);
}

.section-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  padding-bottom: 24px;
  margin-bottom: 48px;
  border-bottom: 2px solid var(--kongoto-blue);
}

.section-header__left {
  display: flex;
  align-items: baseline;
  gap: 16px;
  flex-wrap: wrap;
}

.section-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 12px;
  background-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
}

.section-title {
  font-size: clamp(1.65rem, 2.6vw, 2.25rem);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.section-subtitle {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.section--cinema .section-subtitle {
  color: #9BA1B8;
}

/* ==========================================================================
   FLAGSHIP GAME SECTION: HORROR MAHJONG (恐怖麻将)
   ========================================================================== */
.game-showcase {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: 40px;
  align-items: stretch;
}

.game-poster-card {
  position: relative;
  background-color: var(--kongoto-blue);
  background-image: url('../assets/game/corner_aperture_horror_mahjong_16x9.png');
  background-size: cover;
  background-position: right center;
  background-repeat: no-repeat;
  color: var(--kongoto-warm-white);
  padding: 44px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  overflow: hidden;
  min-height: 480px;
}

/* VI 2.0 Corner Aperture Mask Concept in Game Banner */
.game-poster-card__corner {
  position: absolute;
  top: -30px;
  right: -30px;
  width: 62%;
  height: auto;
  pointer-events: none;
  z-index: 1;
}

.game-poster-card__content {
  position: relative;
  z-index: 2;
  max-width: 540px;
}

.game-tag-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 20px;
}

.game-tag {
  padding: 4px 10px;
  background-color: rgba(16, 17, 20, 0.55);
  border: 1px solid rgba(249, 249, 245, 0.3);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
}

.game-title-zh {
  font-size: clamp(2rem, 3.2vw, 2.85rem);
  font-weight: 600;
  line-height: 1.15;
  margin-bottom: 6px;
}

.game-title-en {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: rgba(249, 249, 245, 0.85);
  margin-bottom: 20px;
}

.game-pitch {
  font-size: 1.05rem;
  line-height: 1.7;
  margin-bottom: 28px;
  color: rgba(249, 249, 245, 0.94);
}

.game-feature-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 14px;
  margin-bottom: 32px;
  list-style: none;
}

.game-feature-list li {
  background-color: rgba(7, 18, 76, 0.55);
  border-left: 3px solid var(--kongoto-warm-white);
  padding: 10px 14px;
  font-size: 0.88rem;
}

.game-spec-panel {
  background-color: var(--kongoto-void);
  border: 1px solid var(--kongoto-border-dark);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  gap: 24px;
}

.spec-table {
  width: 100%;
  border-collapse: collapse;
}

.spec-table tr {
  border-bottom: 1px solid var(--kongoto-border-dark);
}

.spec-table th,
.spec-table td {
  padding: 12px 0;
  text-align: left;
  font-size: 0.9rem;
}

.spec-table th {
  color: #9BA1B8;
  font-weight: 500;
  width: 38%;
}

.spec-table td {
  color: var(--kongoto-warm-white);
  font-weight: 600;
}

.faq-box {
  background-color: rgba(15, 42, 245, 0.12);
  border: 1px solid rgba(15, 42, 245, 0.45);
  padding: 18px;
}

.faq-box__title {
  font-size: 0.88rem;
  font-weight: 600;
  color: #8CA0FF;
  margin-bottom: 8px;
}

.faq-box__text {
  font-size: 0.84rem;
  color: #D0D5E8;
  line-height: 1.6;
}

/* ==========================================================================
   INTERACTIVE VI 2.0 DESIGN SYSTEM CENTER
   ========================================================================== */
.vi-bento {
  display: grid;
  grid-template-columns: repeat(12, 1fr);
  gap: 24px;
}

.vi-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 32px;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: 16px;
}

.vi-card--span-7 {
  grid-column: span 7;
}

.vi-card--span-5 {
  grid-column: span 5;
}

.vi-card--span-6 {
  grid-column: span 6;
}

.vi-card--span-12 {
  grid-column: span 12;
}

.vi-card__header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 20px;
}

.vi-card__tag {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

[data-theme="dark"] .vi-card__tag {
  color: #7B90FF;
}

.vi-card__title {
  font-size: 1.28rem;
  font-weight: 600;
  margin-bottom: 8px;
}

.vi-card__desc {
  font-size: 0.9rem;
  color: var(--text-muted);
  margin-bottom: 24px;
}

/* Interactive Geometry Blueprint Inspector */
.geo-inspector {
  display: grid;
  grid-template-columns: 300px 1fr;
  gap: 24px;
  align-items: start;
}

.geo-svg-stage {
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  width: 300px;
  height: 300px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 16px;
}

.geo-svg-stage svg {
  width: 268px;
  height: 268px;
}

.geo-toggles {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.geo-toggle-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
  font-size: 0.85rem;
  font-weight: 600;
  text-align: left;
  transition: border-color 0.15s ease, background-color 0.15s ease;
}

.geo-toggle-btn.active {
  border-color: var(--kongoto-blue);
  background-color: rgba(15, 42, 245, 0.08);
}

.geo-spec-badge {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--kongoto-blue);
}

[data-theme="dark"] .geo-spec-badge {
  color: #8CA0FF;
}

/* Interactive Color Swatches */
.swatch-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(195px, 1fr));
  gap: 16px;
}

.swatch-item {
  border: 1px solid var(--border-color);
  background-color: var(--bg-card);
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.18s ease, border-color 0.18s ease;
  text-align: left;
}

.swatch-item:hover {
  transform: translateY(-3px);
  border-color: var(--kongoto-blue);
}

.swatch-color {
  height: 92px;
  padding: 12px;
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
}

.swatch-info {
  padding: 14px;
}

.swatch-name {
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 2px;
}

.swatch-hex {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--kongoto-blue);
  font-weight: 700;
  margin-bottom: 4px;
}

[data-theme="dark"] .swatch-hex {
  color: #8CA0FF;
}

.swatch-role {
  font-size: 0.78rem;
  color: var(--text-muted);
}

/* Secondary Graphic Switcher */
.supergraphic-tabs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.sg-tab {
  padding: 8px 14px;
  font-size: 0.82rem;
  font-weight: 600;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
  color: var(--text-main);
}

.sg-tab.active {
  background-color: var(--kongoto-blue);
  border-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
}

.sg-preview-frame {
  border: 1px solid var(--border-color);
  background-color: var(--kongoto-obsidian);
  aspect-ratio: 16 / 9;
  overflow: hidden;
  position: relative;
}

.sg-preview-frame img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* Typography Specimen */
.type-specimen-list {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.type-row {
  padding: 18px;
  background-color: var(--bg-elevated);
  border-left: 3px solid var(--kongoto-blue);
}

.type-meta {
  display: flex;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.type-sample-zh {
  font-family: 'Kongoto Glow Sans', sans-serif;
  font-size: clamp(1.35rem, 2.2vw, 1.85rem);
  font-weight: 600;
  color: var(--kongoto-blue);
}

[data-theme="dark"] .type-sample-zh {
  color: var(--kongoto-warm-white);
}

.type-sample-en {
  font-family: 'Kongoto Space Grotesk', sans-serif;
  font-size: clamp(1.1rem, 1.8vw, 1.45rem);
  font-weight: 500;
}

/* ==========================================================================
   PRESS KIT & ASSET DOWNLOAD MATRIX
   ========================================================================== */
.presskit-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(290px, 1fr));
  gap: 24px;
}

.asset-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease;
}

.asset-card:hover {
  border-color: var(--kongoto-blue);
}

.asset-preview {
  height: 180px;
  padding: 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-bottom: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
}

.asset-preview--blue {
  background-color: var(--kongoto-blue);
}

.asset-preview--dark {
  background-color: var(--kongoto-obsidian);
}

.asset-preview img {
  max-height: 130px;
  width: auto;
  object-fit: contain;
}

.asset-body {
  padding: 20px;
}

.asset-title {
  font-size: 1rem;
  font-weight: 600;
  margin-bottom: 4px;
}

.asset-spec {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.asset-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.asset-dl-btn {
  padding: 6px 12px;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 600;
  border: 1px solid var(--border-color);
  background-color: var(--bg-elevated);
  color: var(--text-main);
  transition: background-color 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}

.asset-dl-btn:hover {
  background-color: var(--kongoto-blue);
  border-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
}

/* ==========================================================================
   FOOTER & COMMUNITY CHANNELS
   ========================================================================== */
.site-footer {
  position: relative;
  background-color: var(--kongoto-obsidian);
  color: var(--kongoto-warm-white);
  padding: 72px 0 48px;
  overflow: hidden;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr 0.8fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--kongoto-border-dark);
}

.footer-slogan-zh {
  font-size: 1.35rem;
  font-weight: 600;
  margin-top: 18px;
  margin-bottom: 4px;
}

.footer-slogan-en {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  color: #9BA1B8;
}

.footer-heading {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: #8CA0FF;
  margin-bottom: 18px;
}

.footer-channel-list {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.footer-channel-list a,
.footer-channel-list span {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 0.92rem;
  color: #D0D5E8;
  transition: color 0.15s ease;
}

.footer-channel-list a:hover {
  color: var(--kongoto-warm-white);
}

.footer-bottom {
  padding-top: 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: #7E849C;
}

/* Copy Toast */
.toast {
  position: fixed;
  bottom: 28px;
  right: 28px;
  z-index: 999;
  padding: 12px 20px;
  background-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 600;
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transform: translateY(120%);
  opacity: 0;
  transition: transform 0.22s ease, opacity 0.22s ease;
  pointer-events: none;
}

.toast.visible {
  transform: translateY(0);
  opacity: 1;
}

/* Responsive Breakpoints */
@media (max-width: 1080px) {
  .hero__grid,
  .game-showcase {
    grid-template-columns: 1fr;
  }

  .vi-card--span-7,
  .vi-card--span-5,
  .vi-card--span-6 {
    grid-column: span 12;
  }

  .footer-top {
    grid-template-columns: 1fr;
    gap: 32px;
  }
}

@media (max-width: 768px) {
  .container {
    padding: 0 20px;
  }

  .nav-links {
    display: none;
  }

  .geo-inspector {
    grid-template-columns: 1fr;
  }

  .game-feature-list {
    grid-template-columns: 1fr;
  }

  .hero__meta-row {
    grid-template-columns: 1fr;
    gap: 12px;
  }
}


/* ==========================================================================
   NINTENDO EDITORIAL EXTENSIONS (STRICT VI 2.0 SWISS GRID)
   ========================================================================== */

/* Topics Grid (任天堂トピックス 4列カード) */
.topics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.topic-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, transform 0.2s ease;
  text-decoration: none;
  color: inherit;
}

.topic-card:hover {
  border-color: var(--kongoto-blue);
  transform: translateY(-3px);
}

.topic-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--kongoto-void);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.topic-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.topic-card:hover .topic-thumb img {
  transform: scale(1.05);
}

.topic-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 10px;
}

.topic-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.76rem;
}

.topic-tag {
  color: var(--kongoto-blue);
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  padding: 2px 8px;
  background-color: rgba(15, 42, 245, 0.08);
  border-left: 2px solid var(--kongoto-blue);
}

[data-theme="dark"] .topic-tag {
  color: #8CA0FF;
  background-color: rgba(15, 42, 245, 0.22);
}

.topic-date {
  color: var(--text-muted);
}

.topic-title {
  font-size: 1.05rem;
  font-weight: 600;
  line-height: 1.45;
  color: var(--text-main);
  transition: color 0.2s ease;
}

.topic-card:hover .topic-title {
  color: var(--kongoto-blue);
}

.topic-excerpt {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.topic-more {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  margin-top: 10px;
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

[data-theme="dark"] .topic-more {
  color: #8CA0FF;
}

/* Lineup Grid (作品矩阵) */
.lineup-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.lineup-card {
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.lineup-card:hover {
  border-color: var(--kongoto-blue);
  transform: translateY(-3px);
}

.lineup-thumb {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: var(--kongoto-void);
  border-bottom: 1px solid var(--border-color);
  overflow: hidden;
}

.lineup-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

.lineup-card:hover .lineup-thumb img {
  transform: scale(1.05);
}

.lineup-thumb--placeholder {
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--bg-elevated);
}

.lineup-placeholder-icon {
  font-family: var(--font-mono);
  font-size: 2.2rem;
  color: var(--text-muted);
  opacity: 0.4;
}

.lineup-status-badge {
  position: absolute;
  bottom: 10px;
  right: 10px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 8px;
  background-color: rgba(16, 17, 20, 0.85);
  color: var(--kongoto-warm-white);
  border: 1px solid rgba(249, 249, 245, 0.2);
}

.lineup-status-badge--active {
  background-color: var(--kongoto-blue);
  border-color: var(--kongoto-blue);
}

.lineup-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
  gap: 12px;
}

.lineup-header-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-family: var(--font-mono);
  font-size: 0.74rem;
}

.lineup-type {
  font-weight: 700;
  color: var(--kongoto-blue);
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

[data-theme="dark"] .lineup-type {
  color: #8CA0FF;
}

.lineup-platform {
  color: var(--text-muted);
}

.lineup-title {
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--text-main);
}

.lineup-desc {
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.6;
  flex-grow: 1;
}

.lineup-action {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 8px;
}

[data-theme="dark"] .lineup-action {
  color: #8CA0FF;
}

.lineup-action--muted {
  color: var(--text-muted);
}

/* Modal Video Player Lightbox */
.trailer-modal {
  position: fixed;
  inset: 0;
  z-index: 2000;
  display: none;
  align-items: center;
  justify-content: center;
  padding: 24px;
}

.trailer-modal.is-open {
  display: flex;
}

.trailer-modal__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(16, 17, 20, 0.92);
}

.trailer-modal__dialog {
  position: relative;
  z-index: 10;
  width: 100%;
  max-width: 960px;
  background-color: var(--kongoto-obsidian);
  border: 1px solid var(--border-color);
  box-shadow: 0 24px 64px rgba(0, 0, 0, 0.8);
}

.trailer-modal__close {
  position: absolute;
  top: 14px;
  right: 14px;
  z-index: 20;
  width: 32px;
  height: 32px;
  background-color: rgba(16, 17, 20, 0.8);
  border: 1px solid var(--border-color);
  color: #FFFFFF;
  font-size: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
}

.trailer-modal__close:hover {
  background-color: var(--kongoto-blue);
  border-color: var(--kongoto-blue);
}

.trailer-modal__player {
  position: relative;
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: #000000;
}

.trailer-modal__player video {
  width: 100%;
  height: 100%;
  object-fit: contain;
}

.trailer-modal__footer {
  padding: 18px 24px;
  background-color: var(--kongoto-void);
  border-top: 1px solid var(--kongoto-border-dark);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}


/* ==========================================================================
   MINIMALIST STUDIO & CONTACT CHANNELS (VI 2.0 SWISS GRID)
   ========================================================================== */
.contact-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

@media (max-width: 960px) {
  .contact-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 600px) {
  .contact-grid {
    grid-template-columns: 1fr;
  }
}

.contact-card {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 30px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 200px;
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.contact-card:hover {
  border-color: var(--kongoto-blue);
  transform: translateY(-2px);
}

.contact-card__icon {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  letter-spacing: 0.1em;
  text-transform: uppercase;
  margin-bottom: 14px;
  display: inline-block;
}

[data-theme="dark"] .contact-card__icon {
  color: #8CA0FF;
}

.contact-card__title {
  font-size: 1.15rem;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 8px;
  transition: color 0.2s ease;
}

.contact-card:hover .contact-card__title {
  color: var(--kongoto-blue);
}

.contact-card__desc {
  font-size: 0.88rem;
  color: var(--text-muted);
  line-height: 1.55;
  margin-bottom: 16px;
  flex-grow: 1;
}

.contact-card__link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

[data-theme="dark"] .contact-card__link {
  color: #8CA0FF;
}

.contact-card__highlight {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--text-main);
  display: inline-block;
}

.contact-card--press {
  cursor: default;
}

.contact-card--press:hover {
  transform: none;
}

.press-download-row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.press-btn {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  padding: 6px 12px;
  border: 1px solid var(--border-color);
  color: var(--text-main);
  background-color: var(--bg-elevated);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  transition: all 0.2s ease;
}

.press-btn:hover {
  background-color: var(--kongoto-blue);
  border-color: var(--kongoto-blue);
  color: #FFFFFF;
}

.footer-simple {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 18px;
  padding: 36px 0;
}


/* ==========================================================================
   CINEMATIC MOOD & ATMOSPHERIC PORTAL EXTENSIONS (VI 2.0)
   ========================================================================== */

/* Sound Toggle Button */
.sound-toggle {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  padding: 6px 14px;
  background-color: rgba(255, 255, 255, 0.04);
  border: 1px solid var(--border-color);
  color: var(--text-muted);
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  transition: all 0.2s ease;
}

.sound-toggle:hover {
  border-color: var(--kongoto-blue);
  color: var(--kongoto-warm-white);
}

.sound-toggle.is-active {
  border-color: var(--kongoto-blue);
  color: #8CA0FF;
  background-color: rgba(15, 42, 245, 0.15);
}

.sound-dot {
  width: 6px;
  height: 6px;
  background-color: var(--text-muted);
  display: inline-block;
}

.sound-toggle.is-active .sound-dot {
  background-color: #0F2AF5;
  box-shadow: 0 0 8px #0F2AF5;
  animation: pulse 1.6s infinite ease-in-out;
}

@keyframes pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.3); }
}

/* Fixed Optical Reticle Layer (Viewfinder Atmosphere) */
.reticle-layer {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 50;
  overflow: hidden;
}

.reticle-corner {
  position: absolute;
  width: 24px;
  height: 24px;
  border-color: rgba(15, 42, 245, 0.4);
  border-style: solid;
}

.reticle-corner--tl { top: 20px; left: 20px; border-width: 2px 0 0 2px; }
.reticle-corner--tr { top: 20px; right: 20px; border-width: 2px 2px 0 0; }
.reticle-corner--bl { bottom: 20px; left: 20px; border-width: 0 0 2px 2px; }
.reticle-corner--br { bottom: 20px; right: 20px; border-width: 0 2px 2px 0; }

.reticle-center-cross {
  position: absolute;
  top: 50%;
  left: 50%;
  width: 14px;
  height: 14px;
  transform: translate(-50%, -50%);
  opacity: 0.25;
}

.reticle-center-cross::before,
.reticle-center-cross::after {
  content: '';
  position: absolute;
  background-color: var(--kongoto-blue);
}

.reticle-center-cross::before {
  top: 6px;
  left: 0;
  width: 14px;
  height: 1.5px;
}

.reticle-center-cross::after {
  top: 0;
  left: 6px;
  width: 1.5px;
  height: 14px;
}

.reticle-telemetry {
  position: absolute;
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.12em;
  color: rgba(255, 255, 255, 0.2);
  text-transform: uppercase;
}

.reticle-telemetry--l {
  left: 32px;
  bottom: 24px;
}

.reticle-telemetry--r {
  right: 32px;
  bottom: 24px;
}

/* Hero Monolith Presentation */
.hero--monolith {
  position: relative;
  min-height: 94vh;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 120px 0 60px;
  background-color: var(--kongoto-obsidian);
  overflow: hidden;
}

.hero-monolith-inner {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  position: relative;
  z-index: 5;
  width: 100%;
}

.emblem-monolith-stage {
  position: relative;
  width: 100%;
  max-width: 820px;
  margin-bottom: 32px;
}

.emblem-canvas-box {
  width: 100%;
  aspect-ratio: 16 / 9;
  background-color: transparent;
  overflow: hidden;
}

.emblem-canvas-box canvas {
  width: 100%;
  height: 100%;
  display: block;
}

.emblem-optics-tag {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  letter-spacing: 0.12em;
  text-transform: uppercase;
  margin-top: 12px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

[data-theme="dark"] .emblem-optics-tag {
  color: #8CA0FF;
}

.pulse-dot {
  width: 6px;
  height: 6px;
  background-color: var(--kongoto-blue);
  display: inline-block;
}

.hero-monolith-content {
  max-width: 960px;
  margin: 0 auto;
}

.hero__eyebrow-mono {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  margin-bottom: 16px;
}

[data-theme="dark"] .hero__eyebrow-mono {
  color: #8CA0FF;
}

.hero__title-monolith {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 5.2vw, 4.4rem);
  font-weight: 700;
  line-height: 1.15;
  letter-spacing: -0.03em;
  color: var(--text-main);
  margin-bottom: 12px;
}

.hero__subtitle-monolith {
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2vw, 1.3rem);
  color: var(--kongoto-blue);
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 24px;
}

[data-theme="dark"] .hero__subtitle-monolith {
  color: #8CA0FF;
}

.hero__mood-prose {
  font-size: clamp(1rem, 1.5vw, 1.15rem);
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 760px;
  margin: 0 auto 36px;
}

.hero__actions-monolith {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
  margin-bottom: 48px;
}

.btn-bevel--glow {
  background-color: var(--kongoto-blue);
  color: #FFFFFF;
  padding: 16px 36px;
  font-size: 0.95rem;
  box-shadow: 0 0 24px rgba(15, 42, 245, 0.45);
  transition: all 0.24s ease;
}

.btn-bevel--glow:hover {
  background-color: #2740FF;
  box-shadow: 0 0 36px rgba(15, 42, 245, 0.7);
  transform: translateY(-2px);
}

.btn-outline--cinematic {
  border-color: rgba(255, 255, 255, 0.2);
  color: var(--text-main);
  padding: 14px 28px;
  font-size: 0.9rem;
}

.btn-outline--cinematic:hover {
  border-color: var(--kongoto-blue);
  background-color: rgba(15, 42, 245, 0.1);
  color: #FFFFFF;
}

.hero-meta-bar {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 32px;
  flex-wrap: wrap;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  padding-top: 24px;
  border-top: 1px solid var(--border-color);
  max-width: 820px;
  margin: 0 auto;
}

/* Section Header for Cinematic Sections */
.cinema-frame-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-bottom: 16px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--border-color);
}

.cinema-frame-header__left {
  display: flex;
  align-items: center;
  gap: 16px;
}

.cinema-index {
  font-family: var(--font-mono);
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  letter-spacing: 0.08em;
}

[data-theme="dark"] .cinema-index {
  color: #8CA0FF;
}

.cinema-app-badge {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--text-muted);
  padding: 2px 8px;
  border: 1px solid var(--border-color);
}

.cinema-status-label {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
  letter-spacing: 0.08em;
}

/* Widescreen Cinema Poster Window */
.section--cinema-dark {
  background-color: var(--kongoto-obsidian);
  padding: 90px 0;
}

.cinema-poster-window {
  position: relative;
  width: 100%;
  min-height: 520px;
  background-color: #0B0C0E;
  border: 1px solid var(--border-color);
  overflow: hidden;
  display: flex;
  align-items: center;
}

.cinema-poster-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: right center;
  background-repeat: no-repeat;
  transition: transform 0.6s ease;
}

.cinema-poster-window:hover .cinema-poster-bg {
  transform: scale(1.02);
}

.cinema-poster-vignette {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, #101114 0%, #101114 44%, rgba(16, 17, 20, 0.88) 58%, rgba(16, 17, 20, 0.3) 78%, rgba(16, 17, 20, 0.85) 100%);
  pointer-events: none;
}

.cinema-poster-content {
  position: relative;
  z-index: 5;
  padding: 56px 64px;
  max-width: 680px;
}

.cinema-tags {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 18px;
}

.cinema-tags span {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  padding: 3px 10px;
  background-color: rgba(15, 42, 245, 0.22);
  color: #8CA0FF;
  border: 1px solid rgba(15, 42, 245, 0.4);
  letter-spacing: 0.06em;
}

.cinema-title-zh {
  font-family: var(--font-heading);
  font-size: clamp(2.4rem, 4vw, 3.6rem);
  font-weight: 700;
  line-height: 1.1;
  color: #FFFFFF;
  margin-bottom: 6px;
}

.cinema-title-en {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  letter-spacing: 0.16em;
  color: #8CA0FF;
  margin-bottom: 20px;
}

.cinema-pitch {
  font-size: 1.02rem;
  color: #D2D4DE;
  line-height: 1.8;
  margin-bottom: 32px;
}

.cinema-actions {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

/* Directory Section (High-End Swiss Frequency Rows) */
.section--directory {
  padding: 80px 0 100px;
}

.directory-grid {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.directory-row {
  position: relative;
  background-color: var(--bg-card);
  border: 1px solid var(--border-color);
  padding: 22px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  text-decoration: none;
  color: inherit;
  transition: all 0.2s ease;
}

.directory-row:hover {
  border-color: var(--kongoto-blue);
  background-color: rgba(15, 42, 245, 0.05);
  transform: translateX(4px);
}

.directory-row__left {
  display: flex;
  align-items: center;
  gap: 24px;
}

.directory-code {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  letter-spacing: 0.08em;
  opacity: 0.8;
}

[data-theme="dark"] .directory-code {
  color: #8CA0FF;
}

.directory-name {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--text-main);
  display: block;
  margin-bottom: 3px;
}

.directory-meta {
  font-size: 0.82rem;
  color: var(--text-muted);
  display: block;
}

.directory-action {
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--kongoto-blue);
  white-space: nowrap;
}

[data-theme="dark"] .directory-action {
  color: #8CA0FF;
}

.directory-badge {
  font-family: var(--font-mono);
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--text-main);
  padding: 4px 12px;
  background-color: var(--bg-elevated);
  border: 1px solid var(--border-color);
}

.directory-row--press {
  cursor: default;
}

.directory-row--press:hover {
  transform: none;
}

/* Simple Footer Elements */
.footer-center-slogan {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

.footer-rights {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--text-muted);
}

@media (max-width: 768px) {
  .reticle-layer { display: none; }
  .cinema-poster-content { padding: 36px 24px; }
  .cinema-poster-vignette {
    background: linear-gradient(180deg, rgba(16, 17, 20, 0.92) 0%, rgba(16, 17, 20, 0.95) 100%);
  }
  .directory-row {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
  }
  .directory-action { align-self: flex-start; }
  .footer-simple {
    flex-direction: column;
    text-align: center;
    gap: 12px;
  }
}

/* 首屏使用标准动画及品牌规范指定的标语字体。 */
.brand-film { display: block; width: 100%; height: 100%; }
.hero__title-monolith { font-family: 'Kongoto Glow Sans', sans-serif; font-weight: 600; font-synthesis: none; letter-spacing: normal; color: #F9F9F5; }
.hero__subtitle-monolith, [data-theme="dark"] .hero__subtitle-monolith { font-family: 'Kongoto Space Grotesk', sans-serif; font-weight: 500; color: #F9F9F5; text-transform: none; letter-spacing: normal; }

/* 页头采用标准横式组合，小尺寸不使用双语口号组合。 */
.site-header { background: #F9F9F5; backdrop-filter: none; }
[data-theme="dark"] .site-header { background: #101114; }
.brand-lockup { width: 208px; height: auto; flex: 0 0 208px; }
.brand-lockup img { display: block; width: 100%; height: auto; }
.brand-lockup .brand-lockup__dark, [data-theme="dark"] .brand-lockup .brand-lockup__light { display: none; }
[data-theme="dark"] .brand-lockup .brand-lockup__dark { display: block; }
.hero__supergraphic { opacity: 1; width: min(34vw, 520px); }
@media (max-width: 620px) {
  .site-header { height: auto; }
  .nav-inner { flex-wrap: wrap; justify-content: center; gap: 0 16px; padding-top: 8px; padding-bottom: 8px; }
  .nav-controls { justify-content: center; flex-wrap: wrap; }
  .hero--monolith { min-height: 0; padding: 55px 0 65px; }
  .hero__supergraphic { width: 38vw; }
  .hero__title-monolith { font-size: clamp(1.6rem, 7vw, 2.4rem); }
}


/* 页脚以品牌蓝色块承载国内与海外平台入口。 */
.social-footer { background: #0F2AF5; padding: 24px; }
.social-links { display: flex; justify-content: center; align-items: center; flex-wrap: wrap; gap: 12px; }
.social-links > a:not(.contact-email), .social-details > summary { display: grid; place-items: center; width: 44px; height: 44px; border: 0; background: transparent; cursor: pointer; }
.social-links img { display: block; width: 23px; height: 23px; object-fit: contain; filter: brightness(0) invert(98%); }
.social-links > a:hover, .social-links > a:focus-visible, .social-details > summary:hover, .social-details > summary:focus-visible, .social-details[open] > summary { opacity: .72; outline: 2px solid #F9F9F5; outline-offset: 2px; }
.social-divider { height: 24px; width: 1px; background: #F9F9F5; opacity: .5; margin: 0 10px; }
.social-details { position: relative; }
.social-details > summary { list-style: none; }
.social-details > summary::-webkit-details-marker { display: none; }
.social-popover { position: absolute; z-index: 10; left: 50%; bottom: calc(100% + 10px); transform: translateX(-50%); padding: 10px 14px; color: #F9F9F5; background: #181A20; white-space: nowrap; font: 500 .85rem 'Kongoto Space Grotesk', 'Kongoto Glow Sans', sans-serif; }
.hero__actions-monolith { margin-bottom: 0; }
.hero--monolith { min-height: calc(100svh - var(--header-height) - 92px); }
[data-theme="light"] .hero--monolith { background: #F9F9F5; }
[data-theme="light"] .hero__title-monolith, [data-theme="light"] .hero__subtitle-monolith { color: #252741; }
.language-picker select { max-width: 130px; padding: 7px; background: var(--bg-elevated); color: var(--text-main); border: 1px solid var(--border-color); font: inherit; font-size: .8rem; }
.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; }
@media (max-width: 620px) { .social-footer { padding: 20px 12px; } .social-links { gap: 4px; } .social-divider { margin: 0 4px; } }

/* 主题图标表示当前状态，按钮名称说明切换后的状态。 */
.theme-toggle { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; }
.theme-icon { width: 20px; height: 20px; }
.theme-icon--sun, [data-theme="light"] .theme-icon--moon { display: none; }
[data-theme="light"] .theme-icon--sun { display: block; }
.language-picker { position: relative; display: inline-flex; align-items: center; }
.language-icon { position: absolute; left: 9px; width: 18px; height: 18px; color: var(--text-main); pointer-events: none; }
.language-picker select { padding-left: 32px; }
/* 原生语言选择器覆盖图标，保留键盘和辅助技术操作。 */
.language-picker { width: 40px; height: 40px; justify-content: center; color: var(--text-main); border: 1px solid var(--border-color); background: var(--bg-elevated); }
.language-picker .language-icon { position: static; width: 20px; height: 20px; }
.language-picker select { position: absolute; inset: 0; width: 100%; height: 100%; max-width: none; padding: 0; opacity: 0; cursor: pointer; }
.language-picker:focus-within { outline: 2px solid var(--text-main); outline-offset: 2px; }

.emblem-canvas-box { background: #101114; }
.emblem-canvas-box iframe { display: block; width: 100%; height: 100%; border: 0; }
.emblem-canvas-box iframe[hidden], .emblem-canvas-box video[hidden] { display: none; }
/* 首屏媒体随可用高度缩放，保留标语与底部联系区的空间。 */
@media (min-width: 621px) {
  .hero--monolith { padding: 28px 0; }
  .emblem-monolith-stage { max-width: min(820px, calc((100svh - 400px) * 16 / 9)); margin-bottom: 18px; }
  .hero__title-monolith { font-size: clamp(2.2rem, 4vw, 3.5rem); }
  .hero__subtitle-monolith { margin-bottom: 16px; }
}

.hero-logo { width: min(340px, 60vw, 40svh); margin-bottom: 16px; }
.hero-logo img { display: block; width: 100%; height: auto; }
.hero-logo__dark, [data-theme="dark"] .hero-logo__light { display: none !important; }
[data-theme="dark"] .hero-logo__dark { display: block !important; }
.hero--monolith { min-height: calc(100svh - var(--header-height)); }
.pv-section { background: #101114; padding: 0; }
.pv-player { width: min(100%, 1280px); margin: auto; aspect-ratio: 16 / 9; background: #101114; }
.pv-player iframe { display: block; width: 100%; height: 100%; border: 0; }
.pv-player iframe[hidden] { display: none; }
@media (max-width: 620px) { .hero--monolith { min-height: calc(100svh - 100px); } }

.trailer-error { display: grid; place-items: center; height: 100%; color: #F9F9F5; text-align: center; }
.trailer-error[hidden] { display: none; }

/* 首屏暂留，后续视频随文档滚动从下方推入并覆盖首屏。 */
.hero--monolith { position: sticky; top: var(--header-height); }
.pv-section { position: relative; z-index: 6; min-height: calc(100svh - var(--header-height)); display: grid; place-items: center; }
.social-footer { position: relative; z-index: 6; }
@media (max-width: 620px) {
  .hero--monolith { top: 0; }
  .pv-section { min-height: 100svh; }
}

/* 首屏滚动轨道让反向开屏完整执行，再由视频随页面推入。 */
.hero-track { position: relative; height: calc(200svh - var(--header-height)); }
.hero--monolith { height: calc(100svh - var(--header-height)); }
.hero-logo { width: min(960px, 100%, calc((100svh - 340px) * 16 / 9)); }
#v20Canvas { display: none; position: absolute; inset: 0; width: 100%; height: 100%; z-index: 2; pointer-events: none; }
.hero--animated #v20Canvas { display: block; }
[data-theme] .hero--animated .hero-logo img { display: none !important; }
/* 标志画布下半部为空白；按字标实际底边计算占位，避免拉开标语。 */
.hero--animated .hero-logo { aspect-ratio: 1920 / 740; margin-bottom: clamp(24px, 3svh, 36px); }
@media (max-width: 620px) {
  .hero-track { height: 200svh; }
  .hero--monolith { height: 100svh; }
  .hero-logo { width: 100%; }
}
@media (prefers-reduced-motion: reduce) {
  .hero-track { height: auto; }
}

.hero-monolith-content { opacity: 1; transition: opacity .65s ease; }
.js .hero-monolith-content.hero-content--intro { opacity: 0; pointer-events: none; transition: none; }
@media (prefers-reduced-motion: reduce) { .hero-monolith-content { transition: none; } }

/* 视频与标志共用首屏，透明度由同一滚动进度驱动。 */
.hero--monolith .pv-section { position: absolute; inset: 0; z-index: 1; min-height: 0; background: #101114; opacity: 0; visibility: hidden; pointer-events: none; }
.hero--monolith .pv-player { width: 100%; height: 100%; max-width: none; aspect-ratio: auto; }
.trailer-sources { position: absolute; z-index: 3; right: max(24px, 5%); bottom: 24px; display: flex; align-items: center; gap: 6px; }
.trailer-sources button { display: grid; place-items: center; width: 40px; height: 40px; padding: 0; border: 1px solid rgba(249,249,245,.45); background: #101114; cursor: pointer; }
.trailer-sources button[aria-pressed="true"] { border-color: #F9F9F5; background: #0F2AF5; }
.trailer-sources button:focus-visible { outline: 2px solid #F9F9F5; outline-offset: 2px; }
.trailer-sources img { width: 21px; height: 21px; }
.trailer-sources img { filter: brightness(0) invert(98%); }
.hero--monolith .hero-monolith-inner { pointer-events: none; }
.hero--monolith .hero-monolith-content { pointer-events: auto; }

.steam-button { width: 48px; height: 48px; padding: 0 !important; }
.steam-icon { display: block; width: 24px; height: 24px; filter: brightness(0) invert(98%); }
.video-jump { display: grid; place-items: center; width: 48px; height: 48px; padding: 0; border: 0; background: transparent; color: var(--text-main); cursor: pointer; }
.video-jump svg { width: 24px; height: 24px; transition: transform .2s, color .2s; }
.video-jump:hover svg { color: var(--kongoto-blue); transform: translateY(4px); }
.video-jump:focus-visible { outline: 2px solid var(--text-main); outline-offset: 2px; }

.hero__title-monolith { margin-bottom: 24px; }
:lang(en) .hero__title-monolith, :lang(fr) .hero__title-monolith, :lang(de) .hero__title-monolith, :lang(es) .hero__title-monolith, :lang(pt) .hero__title-monolith { font-family: 'Kongoto Space Grotesk', sans-serif; font-weight: 500; }

.contact-jump { display: grid; place-items: center; width: 40px; height: 40px; color: var(--text-main); border: 1px solid var(--border-color); background: var(--bg-elevated); transition: color .2s, border-color .2s; }
.contact-jump svg { width: 20px; height: 20px; transition: transform .2s; }
.contact-jump:hover { color: var(--kongoto-blue); border-color: var(--kongoto-blue); }
.contact-jump:hover svg { transform: translateY(2px); }
.contact-jump:focus-visible { outline: 2px solid var(--text-main); outline-offset: 2px; }
.social-footer { display: flex; flex-wrap: wrap; align-items: center; justify-content: center; gap: 12px 28px; }
.contact-email { display: inline-flex; align-items: center; gap: 10px; min-height: 44px; color: #F9F9F5; font: 500 15px 'Kongoto Space Grotesk', sans-serif; text-decoration: none; }
.contact-email svg { width: 21px; height: 21px; flex: none; }
.contact-email:hover, .contact-email:focus-visible { text-decoration: underline; }
@media (max-width: 620px) { .social-footer { gap: 4px; } }
