/* Walking pets: homepage floor lineup.
   Native atlas is 1536x1872 px (8 cols x 9 rows of 192x208 native cells).
   We render at half native (96x104) on desktop and 0.375x (72x78) on mobile. */

.walkingPetsLayer {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 120px; /* fits a 104px sprite + breathing room */
  pointer-events: none;
  z-index: 5;
  overflow: hidden;
}

body:not(.page-home-active) .walkingPetsLayer {
  display: none;
}

body:not(.page-home-active) .homepageDeskPetLayer {
  display: none;
}

/* Base sprite: 96x104 on desktop. */
.walkingPet {
  position: absolute;
  bottom: 8px;
  left: 0;
  top: auto;
  width: 96px;
  height: 104px;
  background-repeat: no-repeat;
  background-size: 768px 936px; /* atlas at half native */
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  filter: drop-shadow(0 2px 6px rgba(0, 0, 0, 0.12));
  will-change: transform, background-position;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
  /* Default: idle row, frame 0 */
  background-position: 0 0;
  animation: petFrames6 1.1s steps(6) infinite;
}

/* ---------------------------------- Sprite sources --------------------------------- */
.walkingPet.petDoubao { background-image: url("assets/cases/doubao/spritesheet.png"); }
.walkingPet.petMarni  { background-image: url("assets/cases/marni/spritesheet.png"); }
.walkingPet.petNaiju  { background-image: url("assets/cases/naiju/spritesheet.png"); }

/* ---------------------------------- Rows ---------------------------------- */
/* Half-scale frame width = 96px. Each row is 104px tall on screen. */
@keyframes petFrames4 { from { background-position-x: 0; } to { background-position-x: -384px; } }
@keyframes petFrames5 { from { background-position-x: 0; } to { background-position-x: -480px; } }
@keyframes petFrames6 { from { background-position-x: 0; } to { background-position-x: -576px; } }
@keyframes petFrames8 { from { background-position-x: 0; } to { background-position-x: -768px; } }

.walkingPet.rowIdle          { background-position-y: 0px;    animation: petFrames6 1.1s  steps(6) infinite; }
.walkingPet.rowRunningRight  { background-position-y: -104px; animation: petFrames6 0.85s steps(6) infinite; }
.walkingPet.rowRunningLeft   { background-position-y: -208px; animation: petFrames6 0.85s steps(6) infinite; }
.walkingPet.rowWaving        { background-position-y: -312px; animation: petFrames4 0.95s steps(4) infinite; }
.walkingPet.rowJumping       { background-position-y: -416px; animation: petFrames5 0.7s  steps(5) infinite; }
.walkingPet.rowFailed        { background-position-y: -520px; animation: petFrames8 1.2s  steps(8) infinite; }
.walkingPet.rowWaiting       { background-position-y: -624px; animation: petFrames6 1.4s  steps(6) infinite; }
.walkingPet.rowRunning       { background-position-y: -728px; animation: petFrames6 0.85s steps(6) infinite; }
.walkingPet.rowReview        { background-position-y: -832px; animation: petFrames6 1.0s  steps(6) infinite; }

/* ---------------------------------- Mobile tuning ---------------------------------- */
/* Mobile: 0.375x scale (72x78). Atlas scales to 576x702. Frame width = 72px,
   row height = 78px. Hide the rightmost pet to keep the row uncluttered. */

@media (max-width: 700px) {
  .walkingPetsLayer { height: 92px; }

  .walkingPet {
    width: 72px;
    height: 78px;
    background-size: 576px 702px;
  }

  @keyframes petFrames4 { from { background-position-x: 0; } to { background-position-x: -288px; } }
  @keyframes petFrames5 { from { background-position-x: 0; } to { background-position-x: -360px; } }
  @keyframes petFrames6 { from { background-position-x: 0; } to { background-position-x: -432px; } }
  @keyframes petFrames8 { from { background-position-x: 0; } to { background-position-x: -576px; } }

  .walkingPet.rowIdle          { background-position-y: 0px;   }
  .walkingPet.rowRunningRight  { background-position-y: -78px; }
  .walkingPet.rowRunningLeft   { background-position-y: -156px; }
  .walkingPet.rowWaving        { background-position-y: -234px; }
  .walkingPet.rowJumping       { background-position-y: -312px; }
  .walkingPet.rowFailed        { background-position-y: -390px; }
  .walkingPet.rowWaiting       { background-position-y: -468px; }
  .walkingPet.rowRunning       { background-position-y: -546px; }
  .walkingPet.rowReview        { background-position-y: -624px; }

  .walkingPet.hideOnMobile { display: none; }
}

/* Respect reduced motion preference. */
@media (prefers-reduced-motion: reduce) {
  .walkingPet { animation: none; }
}

/* ══ Floor Pet Formation ══════════════════════════════════════════
   backgroundImage + backgroundSize 由 JS 直接设置（避免 CSS 特异性问题）
   CSS 只负责 background-position-y 和 animation keyframes
   ══════════════════════════════════════════════════════════════════ */
.floorPetLayer {
  position: fixed;
  inset: 0;
  z-index: 5;
  pointer-events: none;
  overflow: hidden;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-tap-highlight-color: transparent;
}
body:not(.page-home-active) .floorPetLayer {
  display: none;
}

.floorPet {
  overflow: hidden;
  background-clip: padding-box;
}

/* ── 主 atlas action → row（104px 步进，display 50%） ── */
.floorPet[data-floor-action="idle"]         { background-position-y: 0;      animation: floorF6 2.4s steps(6) infinite; }
.floorPet[data-floor-action="runningRight"] { background-position-y: -104px; animation: floorF6 1.28s steps(6) infinite; }
.floorPet[data-floor-action="runningLeft"]  { background-position-y: -208px; animation: floorF6 1.28s steps(6) infinite; }
.floorPet[data-floor-action="waving"]       { background-position-y: -312px; animation: floorF4 1.65s steps(4) infinite; }
.floorPet[data-floor-action="jumping"]      { background-position-y: -416px; animation: floorF5 1.25s steps(5) infinite; }
.floorPet[data-floor-action="failed"]       { background-position-y: -520px; animation: floorF8 1.95s steps(8) infinite; }
.floorPet[data-floor-action="waiting"]      { background-position-y: -624px; animation: floorF6 2.7s steps(6) infinite; }
.floorPet[data-floor-action="running"]      { background-position-y: -728px; animation: floorF6 1.35s steps(6) infinite; }
.floorPet[data-floor-action="review"]       { background-position-y: -832px; animation: floorF6 1.95s steps(6) infinite; }

/* ── Extra atlas action → row（104px 步进，同一 steps 规则）── */
.floorPet[data-floor-action="sleepy"]       { background-position-y: 0;       animation: floorF6 3.1s steps(6) infinite; }
.floorPet[data-floor-action="nap"]          { background-position-y: -104px;  animation: floorF6 4.8s steps(6) infinite; }
.floorPet[data-floor-action="lieDown"]      { background-position-y: -312px;  animation: floorF6 2.65s steps(6) infinite; }
.floorPet[data-floor-action="wakeUp"]       { background-position-y: -416px;  animation: floorF6 2.35s steps(6) infinite; }
.floorPet[data-floor-action="perchTop"]     { background-position-y: -520px;  animation: floorF6 2.25s steps(6) infinite; }
.floorPet[data-floor-action="perchSide"]    { background-position-y: -624px;  animation: floorF6 2.25s steps(6) infinite; }
.floorPet[data-floor-action="stretch"]      { background-position-y: -728px;  animation: floorF6 2.55s steps(6) infinite; }
.floorPet[data-floor-action="groom"]        { background-position-y: -832px;  animation: floorF6 2.35s steps(6) infinite; }
.floorPet[data-floor-action="peek"]         { background-position-y: -1144px; animation: floorF8 2.55s steps(8) infinite; }
.floorPet[data-floor-action="ledge"]        { background-position-y: -1248px; animation: floorF6 2.25s steps(6) infinite; }

/* ── Keyframes ── */
@keyframes floorF4 { from { background-position-x: 0; } to { background-position-x: -384px; } }
@keyframes floorF5 { from { background-position-x: 0; } to { background-position-x: -480px; } }
@keyframes floorF6 { from { background-position-x: 0; } to { background-position-x: -576px; } }
@keyframes floorF8 { from { background-position-x: 0; } to { background-position-x: -768px; } }

/* ── Mobile：只显示3只，缩小尺寸 ── */
@media (max-width: 700px) {
  .floorPet.fpBowcat { display: none; }
  /* JS 也会调整 background-size；以下只是修正 position-y 到 78px 步进 */
  .floorPet {
    user-select: none;
    -webkit-user-select: none;
    -webkit-touch-callout: none;
    -webkit-tap-highlight-color: transparent;
  }

  .floorPet[data-floor-action="runningRight"]  { background-position-y: -78px; }
  .floorPet[data-floor-action="runningLeft"]   { background-position-y: -156px; }
  .floorPet[data-floor-action="waving"]        { background-position-y: -234px; }
  .floorPet[data-floor-action="jumping"]       { background-position-y: -312px; }
  .floorPet[data-floor-action="failed"]        { background-position-y: -390px; }
  .floorPet[data-floor-action="waiting"]       { background-position-y: -468px; }
  .floorPet[data-floor-action="running"]       { background-position-y: -546px; }
  .floorPet[data-floor-action="review"]        { background-position-y: -624px; }
  .floorPet[data-floor-action="sleepy"]        { background-position-y: 0; }
  .floorPet[data-floor-action="nap"]           { background-position-y: -78px; }
  .floorPet[data-floor-action="lieDown"]       { background-position-y: -234px; }
  .floorPet[data-floor-action="wakeUp"]        { background-position-y: -312px; }

  @keyframes floorF4 { from { background-position-x: 0; } to { background-position-x: -288px; } }
  @keyframes floorF5 { from { background-position-x: 0; } to { background-position-x: -360px; } }
  @keyframes floorF6 { from { background-position-x: 0; } to { background-position-x: -432px; } }
  @keyframes floorF8 { from { background-position-x: 0; } to { background-position-x: -576px; } }
}

@media (prefers-reduced-motion: reduce) {
  .floorPet { animation: none !important; }
}

/* ══════════════════════════════════════════════════════════════════ */

/* Interactive homepage desk pet. It is intentionally layered over the existing
   homepage instead of changing the landing page layout. */
.homepageDeskPetLayer {
  position: fixed;
  inset: 0;
  z-index: 45;
  pointer-events: none;
}

.homepageDeskPetActor {
  position: fixed;
  top: var(--desk-pet-y, calc(100vh - 220px));
  left: var(--desk-pet-x, calc(100vw - 190px));
  display: block;
  width: 96px;
  height: 104px;
  margin: 0;
  padding: 0;
  border: 0;
  border-radius: 0;
  background: transparent;
  color: transparent;
  cursor: grab;
  image-rendering: pixelated;
  pointer-events: auto;
  touch-action: none;
  -webkit-appearance: none;
  appearance: none;
  -webkit-tap-highlight-color: transparent;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  user-select: none;
  -webkit-user-select: none;
  outline: 0;
  overflow: hidden;
  transform-origin: bottom center;
  transform: scale(var(--desk-pet-scale, 1));
  will-change: left, top;
  /* ★ Actor sits above the menu shell so the pet is never obscured */
  z-index: 47;
}

.homepageDeskPetActor:focus,
.homepageDeskPetActor:focus-visible {
  outline: none;
}

.homepageDeskPetActor:hover,
.homepageDeskPetActor:focus-visible {
  filter: none;
}

.homepageDeskPetActor:active {
  cursor: grabbing;
}

/* carry-drop physics: scale up while held, bounce on release */
.homepageDeskPetActor[data-desk-action-current="carry"] .homepageDeskPetSprite {
  transform: scale(1.05);
}

@keyframes petDropBounce {
  0%   { transform: translateY(-18px) scaleY(0.85); }
  40%  { transform: translateY(0px)  scaleY(1.12); }
  65%  { transform: translateY(-6px) scaleY(0.95); }
  82%  { transform: translateY(0px)  scaleY(1.04); }
  100% { transform: translateY(0px)  scaleY(1.0); }
}

.homepageDeskPetActor.dropping {
  animation: petDropBounce 380ms cubic-bezier(0.33, 1, 0.68, 1) forwards;
}

.homepageDeskPetSprite {
  display: block;
  width: 96px;
  height: 104px;
  overflow: hidden;
  background-repeat: no-repeat;
  background-size: 768px 936px;   /* main sheet default size */
  image-rendering: pixelated;
  image-rendering: -moz-crisp-edges;
  image-rendering: crisp-edges;
  user-select: none;
  -webkit-user-select: none;
  -webkit-touch-callout: none;
  -webkit-user-drag: none;
  pointer-events: none;
  animation: deskPetFrames6 1.1s steps(6) infinite;
}

/* ── Extra sheet: all actions that use extra-atlas, override JS inline style ── */
.homepageDeskPetActor[data-desk-action-current="yawn"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="sleepy"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="nap"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="perchTop"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="perchSide"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="stretch"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="groom"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="carry"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="drop"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="peek"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="ledge"] .homepageDeskPetSprite {
  background-image: url("assets/baseonly-doubao/extra-atlas.png") !important;
  background-size: 768px 1352px !important;
}

.homepageDeskPetActor[data-desk-action-current="hidden"] {
  display: none;
}

/* ══ MAIN SHEET actions ══ */

.homepageDeskPetActor[data-desk-action-current="idle"] .homepageDeskPetSprite {
  background-position-y: 0;
  animation: deskPetFrames6 1.4s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="runningRight"] .homepageDeskPetSprite,
.homepageDeskPetActor[data-desk-action-current="running"] .homepageDeskPetSprite {
  background-position-y: -104px;
  animation: deskPetFrames6 .78s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="runningLeft"] .homepageDeskPetSprite {
  background-position-y: -208px;
  animation: deskPetFrames6 .78s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="waving"] .homepageDeskPetSprite {
  background-position-y: -312px;
  animation: deskPetFrames4 .95s steps(4) infinite;
}
.homepageDeskPetActor[data-desk-action-current="jumping"] .homepageDeskPetSprite {
  background-position-y: -416px;
  animation: deskPetFrames5 .72s steps(5) infinite;
}
.homepageDeskPetActor[data-desk-action-current="failed"] .homepageDeskPetSprite {
  background-position-y: -520px;
  animation: deskPetFrames8 1.15s steps(8) infinite;
}
.homepageDeskPetActor[data-desk-action-current="waiting"] .homepageDeskPetSprite {
  background-position-y: -624px;
  animation: deskPetFrames6 1.35s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="yawn"] .homepageDeskPetSprite {
  background-position-y: 0;           /* extra atlas row 0 = sleepy */
  animation: deskPetFrames6 2.2s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="review"] .homepageDeskPetSprite {
  background-position-y: -832px;
  animation: deskPetFrames6 1.1s steps(6) infinite;
}

/* ══ EXTRA SHEET actions ══ */

.homepageDeskPetActor[data-desk-action-current="sleepy"] .homepageDeskPetSprite {
  background-position-y: 0;
  animation: deskPetFrames6 1.8s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="nap"] .homepageDeskPetSprite {
  background-position-y: -104px;
  animation: deskPetFrames6 2.0s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="perchTop"] .homepageDeskPetSprite {
  background-position-y: -520px;
  animation: deskPetFrames6 1.2s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="perchSide"] .homepageDeskPetSprite {
  background-position-y: -624px;
  animation: deskPetFrames6 1.2s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="stretch"] .homepageDeskPetSprite {
  background-position-y: -728px;
  animation: deskPetFrames6 1.4s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="groom"] .homepageDeskPetSprite {
  background-position-y: -832px;
  animation: deskPetFrames6 1.2s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="carry"] .homepageDeskPetSprite {
  background-position-y: -936px;
  animation: deskPetFrames6 .84s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="drop"] .homepageDeskPetSprite {
  background-position-y: -1040px;
  animation: deskPetFrames6 1.0s steps(6) infinite;
}
.homepageDeskPetActor[data-desk-action-current="peek"] .homepageDeskPetSprite {
  background-position-y: -1144px;
  animation: deskPetFrames8 1.4s steps(8) infinite;
}
.homepageDeskPetActor[data-desk-action-current="ledge"] .homepageDeskPetSprite {
  background-position-y: -1248px;
  animation: deskPetFrames6 1.2s steps(6) infinite;
}

.homepageDeskPetToast {
  position: fixed;
  top: var(--desk-toast-y, 70vh);
  left: var(--desk-toast-x, 70vw);
  z-index: 47;
  width: min(320px, calc(100vw - 24px));
  padding: 10px 12px;
  border: 1px solid rgba(61, 45, 28, .12);
  border-radius: 14px;
  background: rgba(255, 250, 240, .9);
  color: #5c4932;
  font-size: 12px;
  line-height: 1.55;
  box-shadow: 0 16px 42px rgba(58, 38, 18, .15), inset 0 1px 0 rgba(255, 255, 255, .72);
  backdrop-filter: blur(14px);
  pointer-events: none;
}

.homepageDeskPetRestore {
  position: fixed;
  right: 18px;
  bottom: 132px;
  z-index: 46;
  min-height: 36px;
  padding: 0 13px;
  border: 1px solid rgba(61, 45, 28, .14);
  border-radius: 999px;
  background: rgba(255, 250, 240, .88);
  color: #4b3824;
  cursor: pointer;
  font: inherit;
  font-size: 12px;
  font-weight: 800;
  box-shadow: 0 12px 28px rgba(54, 35, 17, .12);
  pointer-events: auto;
}

@keyframes deskPetFrames4 {
  from { background-position-x: 0; }
  to { background-position-x: -384px; }
}

@keyframes deskPetFrames5 {
  from { background-position-x: 0; }
  to { background-position-x: -480px; }
}

@keyframes deskPetFrames6 {
  from { background-position-x: 0; }
  to { background-position-x: -576px; }
}

@keyframes deskPetFrames8 {
  from { background-position-x: 0; }
  to { background-position-x: -768px; }
}

@media (max-width: 700px) {
  .homepageDeskPetActor,
  .homepageDeskPetSprite {
    width: 72px;
    height: 78px;
  }

  .homepageDeskPetSprite {
    background-size: 576px 702px;
  }

  /* ── MAIN SHEET mobile (background-size: 576px 702px, row height 78px) ── */

  /* idle = row 0 mobile: 0px */
  .homepageDeskPetActor[data-desk-action-current="idle"] .homepageDeskPetSprite {
    background-position-y: 0;
  }

  /* runningRight / running = row 1 mobile: -78px */
  .homepageDeskPetActor[data-desk-action-current="runningRight"] .homepageDeskPetSprite,
  .homepageDeskPetActor[data-desk-action-current="running"] .homepageDeskPetSprite {
    background-position-y: -78px;
  }

  /* runningLeft = row 2 mobile: -156px */
  .homepageDeskPetActor[data-desk-action-current="runningLeft"] .homepageDeskPetSprite {
    background-position-y: -156px;
  }

  /* waving = row 3 mobile: -234px */
  .homepageDeskPetActor[data-desk-action-current="waving"] .homepageDeskPetSprite {
    background-position-y: -234px;
  }

  /* jumping = row 4 mobile: -312px */
  .homepageDeskPetActor[data-desk-action-current="jumping"] .homepageDeskPetSprite {
    background-position-y: -312px;
  }

  /* failed = row 5 mobile: -390px */
  .homepageDeskPetActor[data-desk-action-current="failed"] .homepageDeskPetSprite {
    background-position-y: -390px;
  }

  /* waiting = row 6 mobile: -468px */
  .homepageDeskPetActor[data-desk-action-current="waiting"] .homepageDeskPetSprite {
    background-position-y: -468px;
  }

  /* yawn = extra row 0 mobile: 0px (same as sleepy) */
  .homepageDeskPetActor[data-desk-action-current="yawn"] .homepageDeskPetSprite {
    background-position-y: 0;        /* extra atlas row 0 = sleepy */
    background-size: 576px 1014px !important;
    animation: deskPetFrames6 2.2s steps(6) infinite;
  }

  /* review = row 8 mobile: -624px */
  .homepageDeskPetActor[data-desk-action-current="review"] .homepageDeskPetSprite {
    background-position-y: -624px;
  }

  /* ── EXTRA SHEET mobile (background-size: 576px 1014px, row height 78px) ── */
  /* Extra sheet selectors also get !important background-image override from desktop rules above */

  /* sleepy = extra row 0 mobile: 0px */
  .homepageDeskPetActor[data-desk-action-current="sleepy"] .homepageDeskPetSprite {
    background-position-y: 0;
    background-size: 576px 1014px !important;
  }

  /* nap = extra row 1 mobile: -78px */
  .homepageDeskPetActor[data-desk-action-current="nap"] .homepageDeskPetSprite {
    background-position-y: -78px;
    background-size: 576px 1014px !important;
  }

  /* perchTop = extra row 5 mobile: -390px */
  .homepageDeskPetActor[data-desk-action-current="perchTop"] .homepageDeskPetSprite {
    background-position-y: -390px;
    background-size: 576px 1014px !important;
  }

  /* perchSide = extra row 6 mobile: -468px */
  .homepageDeskPetActor[data-desk-action-current="perchSide"] .homepageDeskPetSprite {
    background-position-y: -468px;
    background-size: 576px 1014px !important;
  }

  /* stretch = extra row 7 mobile: -546px */
  .homepageDeskPetActor[data-desk-action-current="stretch"] .homepageDeskPetSprite {
    background-position-y: -546px;
    background-size: 576px 1014px !important;
  }

  /* groom = extra row 8 mobile: -624px */
  .homepageDeskPetActor[data-desk-action-current="groom"] .homepageDeskPetSprite {
    background-position-y: -624px;
    background-size: 576px 1014px !important;
  }

  /* carry = extra row 9 mobile: -702px */
  .homepageDeskPetActor[data-desk-action-current="carry"] .homepageDeskPetSprite {
    background-position-y: -702px;
    background-size: 576px 1014px !important;
  }

  /* drop = extra row 10 mobile: -780px */
  .homepageDeskPetActor[data-desk-action-current="drop"] .homepageDeskPetSprite {
    background-position-y: -780px;
    background-size: 576px 1014px !important;
  }

  /* peek = extra row 11 mobile: -858px */
  .homepageDeskPetActor[data-desk-action-current="peek"] .homepageDeskPetSprite {
    background-position-y: -858px;
    background-size: 576px 1014px !important;
  }

  /* ledge = extra row 12 mobile: -936px */
  .homepageDeskPetActor[data-desk-action-current="ledge"] .homepageDeskPetSprite {
    background-position-y: -936px;
    background-size: 576px 1014px !important;
  }

  @keyframes deskPetFrames4 {
    from { background-position-x: 0; }
    to { background-position-x: -288px; }
  }

  @keyframes deskPetFrames5 {
    from { background-position-x: 0; }
    to { background-position-x: -360px; }
  }

  @keyframes deskPetFrames6 {
    from { background-position-x: 0; }
    to { background-position-x: -432px; }
  }

  @keyframes deskPetFrames8 {
    from { background-position-x: 0; }
    to { background-position-x: -576px; }
  }
}

@media (prefers-reduced-motion: reduce) {
  .homepageDeskPetActor,
  .homepageDeskPetSprite {
    animation: none !important;
    transition: none !important;
  }
}

/* Desktop menu mirror for the homepage pet. Scoped copy of the Electron
   context-menu styling, so the web demo feels like the desktop client. */
.homepageDesktopMenuShell {
  position: fixed;
  top: var(--desktop-menu-y, 40vh);
  left: var(--desktop-menu-x, 70vw);
  /* ★ z-index 46: below actor (47) so the pet is never covered by the menu */
  z-index: 46;
  width: 496px;
  min-height: 1px;
  pointer-events: auto;
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 13.5px;
  user-select: none;
}

.homepageDesktopMenuShell[hidden] {
  display: none;
}

.homepageDesktopMenuShell * {
  box-sizing: border-box;
}

.homepageDesktopMenuShell .menu {
  background: #1C1C1E;
  border: .5px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  padding: 6px;
  width: 260px;
  max-height: min(660px, calc(100vh - 24px));
  min-height: max-content;
  overflow-y: auto;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .28);
}

.homepageDesktopMenuShell .item,
.homepageDesktopMenuShell .feature-row {
  display: flex;
  align-items: center;
  gap: 9px;
  width: 100%;
  padding: 7px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: #F2F2F7;
  cursor: pointer;
  font: inherit;
  text-align: left;
  transition: background 80ms;
}

.homepageDesktopMenuShell .item:hover,
.homepageDesktopMenuShell .feature-row:hover,
.homepageDesktopMenuShell .item.has-sub.open {
  background: rgba(255, 255, 255, .09);
}

.homepageDesktopMenuShell .item:active,
.homepageDesktopMenuShell .feature-row:active {
  background: rgba(255, 255, 255, .14);
}

.homepageDesktopMenuShell .item.danger {
  color: #FF453A;
}

.homepageDesktopMenuShell .item.upgrade {
  color: #FF9F0A;
}

.homepageDesktopMenuShell .item.is-muted {
  color: rgba(235, 235, 245, .65);
}

.homepageDesktopMenuShell .sep {
  height: .5px;
  background: rgba(255, 255, 255, .1);
  margin: 4px 0;
}

.homepageDesktopMenuShell .lbl {
  padding: 4px 10px 2px;
  font-size: 11px;
  color: rgba(235, 235, 245, .38);
  letter-spacing: .04em;
}

.homepageDesktopMenuShell .mode-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}

.homepageDesktopMenuShell .check {
  margin-left: auto;
  color: #C4783A;
  font-size: 13px;
  display: none;
}

.homepageDesktopMenuShell .arrow {
  margin-left: auto;
  color: rgba(235, 235, 245, .35);
  font-size: 11px;
}

.homepageDesktopMenuShell .action-grid,
.homepageDesktopMenuShell .action-grid-sub {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding: 2px 6px 4px;
}

.homepageDesktopMenuShell .action-btn,
.homepageDesktopMenuShell .pet-tool-btn,
.homepageDesktopMenuShell .pet-mini-btn,
.homepageDesktopMenuShell .preset {
  background: rgba(255, 255, 255, .07);
  border: .5px solid rgba(255, 255, 255, .09);
  border-radius: 8px;
  color: #F2F2F7;
  cursor: pointer;
  font-family: inherit;
  transition: background 80ms, transform 80ms;
}

.homepageDesktopMenuShell .action-btn,
.homepageDesktopMenuShell .pet-tool-btn {
  padding: 7px 10px;
  font-size: 12px;
  text-align: center;
}

.homepageDesktopMenuShell .action-btn:hover,
.homepageDesktopMenuShell .pet-tool-btn:hover,
.homepageDesktopMenuShell .pet-mini-btn:hover,
.homepageDesktopMenuShell .preset:hover {
  background: rgba(255, 255, 255, .14);
}

.homepageDesktopMenuShell .action-btn:active,
.homepageDesktopMenuShell .pet-mini-btn:active,
.homepageDesktopMenuShell .preset:active {
  transform: scale(.97);
}

.homepageDesktopMenuShell .feature-name {
  color: #F2F2F7;
  flex: 1;
  font-size: 13.5px;
}

.homepageDesktopMenuShell .pill {
  display: flex;
  align-items: center;
  gap: 4px;
  color: rgba(235, 235, 245, .38);
  flex-shrink: 0;
  font-size: 11px;
}

.homepageDesktopMenuShell .pill.on {
  color: #C4783A;
}

.homepageDesktopMenuShell .pill-dot {
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: rgba(235, 235, 245, .25);
  flex-shrink: 0;
}

.homepageDesktopMenuShell .pill.on .pill-dot {
  background: #C4783A;
}

.homepageDesktopMenuShell .desktop-menu-panels {
  position: absolute;
  left: 268px;
  top: 0;
  width: 220px;
}

.homepageDesktopMenuShell .side-panel {
  display: none;
  width: 220px;
  min-height: 142px;
  padding: 6px;
  border: .5px solid rgba(255, 255, 255, .1);
  border-radius: 14px;
  background: #1C1C1E;
  box-shadow: 0 18px 48px rgba(0, 0, 0, .28);
}

.homepageDesktopMenuShell .side-panel.show {
  display: block;
}

.homepageDesktopMenuShell .panel-title {
  padding: 6px 10px 8px;
  color: rgba(235, 235, 245, .6);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .04em;
}

.homepageDesktopMenuShell .size-wrap {
  padding: 4px 10px 6px;
}

.homepageDesktopMenuShell .size-top {
  display: flex;
  justify-content: space-between;
  margin-bottom: 4px;
  color: rgba(235, 235, 245, .38);
  font-size: 11px;
}

.homepageDesktopMenuShell .size-top .cur {
  color: #C4783A;
  font-weight: 500;
}

.homepageDesktopMenuShell [data-size-slider] {
  display: block;
  width: 100%;
  height: 4px;
  min-height: 0;
  margin: 4px 0 10px;
  padding: 0;
  appearance: none;
  -webkit-appearance: none;
  background: transparent;
  border: 0;
  border-radius: 2px;
  cursor: pointer;
  outline: none;
  box-shadow: none;
  line-height: 0;
}

.homepageDesktopMenuShell [data-size-slider]::-webkit-slider-runnable-track {
  height: 4px;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, .15);
}

.homepageDesktopMenuShell [data-size-slider]::-moz-range-track {
  height: 4px;
  border: 0;
  border-radius: 2px;
  background: rgba(255, 255, 255, .15);
}

.homepageDesktopMenuShell [data-size-slider]::-webkit-slider-thumb {
  width: 18px;
  height: 18px;
  margin-top: -7px;
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  border-radius: 50%;
  background: #C4783A;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .4);
  cursor: pointer;
}

.homepageDesktopMenuShell [data-size-slider]::-moz-range-thumb {
  width: 18px;
  height: 18px;
  border: 0;
  border-radius: 50%;
  background: #C4783A;
  box-shadow: 0 1px 4px rgba(0, 0, 0, .4);
  cursor: pointer;
}

.homepageDesktopMenuShell .presets {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 4px;
}

.homepageDesktopMenuShell .preset {
  padding: 6px;
  font-size: 12px;
}

.homepageDesktopMenuShell .preset.on {
  background: rgba(196, 120, 58, .22);
  border-color: #C4783A;
  color: #C4783A;
}

.homepageDesktopMenuShell .pet-tools {
  display: grid;
  gap: 5px;
  padding: 6px;
}

.homepageDesktopMenuShell .pet-item {
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 2px 8px;
  padding: 7px 10px;
  border-radius: 8px;
  color: #F2F2F7;
  transition: background 80ms;
}

.homepageDesktopMenuShell .pet-item:hover {
  background: rgba(255, 255, 255, .05);
}

.homepageDesktopMenuShell .pet-name {
  min-width: 0;
  overflow: hidden;
  font-size: 13px;
  font-weight: 600;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.homepageDesktopMenuShell .pet-code {
  grid-column: 1 / 3;
  color: rgba(235, 235, 245, .46);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 10.5px;
}

.homepageDesktopMenuShell .pet-actions {
  grid-column: 1 / 3;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4px;
  padding-top: 4px;
}

.homepageDesktopMenuShell .pet-badge {
  margin-left: auto;
  padding: 1px 6px;
  border-radius: 4px;
  font-size: 10px;
}

.homepageDesktopMenuShell .pet-badge.visible {
  background: rgba(52, 199, 89, .16);
  color: #34C759;
}

.homepageDesktopMenuShell .pet-badge.basic {
  background: rgba(196, 120, 58, .2);
  color: rgba(196, 120, 58, .9);
}

.homepageDesktopMenuShell .pet-badge.advanced {
  background: rgba(127, 119, 221, .2);
  color: rgba(127, 119, 221, .9);
}

.homepageDesktopMenuShell .pet-code-input {
  width: 100%;
  padding: 7px 8px;
  border: .5px solid rgba(255, 255, 255, .1);
  border-radius: 8px;
  outline: none;
  background: rgba(255, 255, 255, .07);
  color: #F2F2F7;
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 12px;
  text-align: center;
}

.homepageDesktopMenuShell .pet-code-input:focus {
  border-color: rgba(196, 120, 58, .85);
}

.homepageDesktopMenuShell .pet-status {
  min-height: 14px;
  padding: 0 4px;
  color: rgba(235, 235, 245, .46);
  font-size: 10.5px;
}

.homepageDesktopMenuShell .pet-mini-btn {
  padding: 5px 6px;
  border-radius: 7px;
  font-size: 11px;
}

.homepageDesktopMenuShell .pet-list-inner {
  max-height: 500px;
  overflow-y: auto;
  padding-right: 2px;
  overscroll-behavior: contain;
  scrollbar-color: rgba(235, 235, 245, .35) transparent;
  scrollbar-width: thin;
}

@media (max-width: 700px) {
  .homepageDesktopMenuShell {
    right: 10px;
    left: 10px;
    width: auto;
  }

  .homepageDesktopMenuShell .menu {
    width: 100%;
    max-height: calc(100vh - 110px);
    overflow-y: auto;
  }

  .homepageDesktopMenuShell .desktop-menu-panels {
    position: static;
    width: 100%;
    margin-top: 8px;
  }

  .homepageDesktopMenuShell .side-panel {
    width: 100%;
  }

  /* M0-4: 浮动桌宠（fixed 定位）在窄视口下会持续遮挡 hero 案例 / 验收 / 陪伴
     步骤等核心内容，移动端整体隐藏。桌面菜单镜像层不受影响。 */
  .homepageDeskPetActor,
  .homepageDesktopPetActor {
    display: none !important;
  }
}