/* ============================================================
   囍事台 · 照片 3D 展示（相框 / 摆台 / 海报）
   纯 CSS 3D + pointer 拖拽，不依赖 WebGL 纹理跨域
   ============================================================ */
.photo-showcase {
  position: fixed;
  inset: 0;
  z-index: 10020;
  display: flex;
  flex-direction: column;
  background: #080405;
  opacity: 0;
  pointer-events: none;
  transition: opacity 0.28s ease;
}
.photo-showcase.show {
  opacity: 1;
  pointer-events: auto;
}
.psv-stage {
  position: relative;
  flex: 1;
  min-height: 0;
  overflow: hidden;
  perspective: 1500px;
  touch-action: none;
  cursor: grab;
}
.psv-stage.is-dragging {
  cursor: grabbing;
}
.psv-room {
  position: absolute;
  inset: 0;
  overflow: hidden;
  background:
    radial-gradient(62% 48% at 50% 12%, rgba(255, 241, 209, 0.17), transparent 70%),
    linear-gradient(180deg, #3B0F19 0%, #200A11 48%, #0E0508 100%);
}
.psv-room::before {
  content: "";
  position: absolute;
  inset: 0;
  opacity: 0.35;
  background-image:
    repeating-linear-gradient(90deg, rgba(255, 246, 228, 0.035) 0 1px, transparent 1px 120px),
    repeating-linear-gradient(0deg, rgba(0, 0, 0, 0.08) 0 1px, transparent 1px 90px);
  pointer-events: none;
}
.psv-room::after {
  content: "";
  position: absolute;
  left: 5%;
  right: 5%;
  bottom: 13%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(232, 213, 168, 0.28), transparent);
}
.psv-spot {
  position: absolute;
  left: 50%;
  top: -12%;
  width: 72%;
  height: 72%;
  transform: translateX(-50%);
  background: radial-gradient(closest-side, rgba(255, 240, 203, 0.2), transparent 72%);
  pointer-events: none;
}
.psv-floor {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 24%;
  display: none;
  background:
    linear-gradient(180deg, rgba(255, 246, 228, 0.06), transparent 26%),
    linear-gradient(180deg, #2B1016, #12070A);
  border-top: 1px solid rgba(232, 213, 168, 0.1);
}
.mode-stand .psv-floor {
  display: block;
}
.psv-anchor {
  position: absolute;
  left: 50%;
  top: 48%;
  transform: translate(-50%, -50%);
  transform-style: preserve-3d;
}
.mode-stand .psv-anchor {
  top: 45%;
}
.mode-poster .psv-anchor {
  top: 47%;
}
.psv-model {
  position: relative;
  transform-style: preserve-3d;
  transition: transform 0.55s cubic-bezier(0.22, 1, 0.36, 1);
  filter: drop-shadow(0 34px 36px rgba(0, 0, 0, 0.5));
}
.psv-stage.is-dragging .psv-model {
  transition: none;
}
.psv-frame {
  position: relative;
  box-sizing: border-box;
  width: var(--pw, 380px);
  height: var(--ph, 500px);
  padding: 18px;
  border-radius: 3px;
  background:
    linear-gradient(145deg, #F4E3BE 0%, #C49A5B 28%, #7D5A2D 58%, #EAD7AE 100%);
  box-shadow:
    0 0 0 1px rgba(255, 250, 238, 0.42) inset,
    0 0 0 2px rgba(74, 46, 18, 0.48),
    0 28px 60px rgba(0, 0, 0, 0.52);
  transform: translateZ(18px);
  transform-style: preserve-3d;
}
.psv-frame::before {
  content: "";
  position: absolute;
  top: 0;
  right: -13px;
  width: 13px;
  height: 100%;
  background: linear-gradient(90deg, #6F4E24, #2B1A0B);
  transform: rotateY(90deg);
  transform-origin: left center;
  border-radius: 0 2px 2px 0;
}
.psv-frame::after {
  content: "";
  position: absolute;
  left: 0;
  right: -13px;
  bottom: -10px;
  height: 10px;
  background: linear-gradient(180deg, #5A3D1A, #211206);
  transform: rotateX(-90deg);
  transform-origin: top center;
}
.psv-mat {
  box-sizing: border-box;
  width: 100%;
  height: 100%;
  padding: 10px;
  background: linear-gradient(160deg, #FFFDF8, #EEE1CF);
  box-shadow: 0 0 0 1px rgba(90, 57, 22, 0.2) inset;
  overflow: hidden;
}
.psv-photo {
  width: 100%;
  height: 100%;
  overflow: hidden;
  background: #1A0A0E;
}
.psv-photo img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  user-select: none;
  -webkit-user-drag: none;
}
.psv-glare {
  position: absolute;
  inset: 18px;
  background: linear-gradient(112deg, transparent 24%, rgba(255, 255, 255, 0.16) 44%, transparent 58%);
  pointer-events: none;
}
.psv-easel {
  position: absolute;
  left: 3%;
  right: 3%;
  bottom: -108px;
  height: 108px;
  display: none;
  transform-style: preserve-3d;
}
.mode-stand .psv-easel {
  display: block;
}
.psv-easel-leg {
  position: absolute;
  bottom: 5px;
  width: 9px;
  border-radius: 3px;
  background: linear-gradient(90deg, #3A2411, #9A743C 44%, #E8D5A8 72%, #4A3015);
  box-shadow: 0 8px 14px rgba(0, 0, 0, 0.36);
  transform-origin: bottom center;
}
.psv-easel-back-left {
  left: 26%;
  height: 78px;
  transform: rotate(15deg);
  opacity: 0.58;
  z-index: 0;
}
.psv-easel-back-right {
  right: 26%;
  height: 78px;
  transform: rotate(-15deg);
  opacity: 0.58;
  z-index: 0;
}
.psv-easel-front-left {
  left: 13%;
  height: 94px;
  transform: skewX(-7deg);
  z-index: 2;
}
.psv-easel-front-right {
  right: 13%;
  height: 94px;
  transform: skewX(7deg);
  z-index: 2;
}
.psv-easel-ledge {
  position: absolute;
  left: 1%;
  right: 1%;
  top: 0;
  height: 13px;
  z-index: 3;
  border-radius: 4px;
  background: linear-gradient(180deg, #F1DCAE, #B78A4A 42%, #563A1A);
  box-shadow: 0 5px 10px rgba(0, 0, 0, 0.34);
}
.psv-easel-ledge::after {
  content: "";
  position: absolute;
  left: 3%;
  right: 3%;
  top: 12px;
  height: 3px;
  background: linear-gradient(180deg, rgba(0, 0, 0, 0.32), transparent);
}
.psv-easel-foot {
  position: absolute;
  left: 5%;
  right: 5%;
  bottom: 0;
  height: 10px;
  z-index: 4;
  border-radius: 4px;
  background: linear-gradient(180deg, #C8A56B, #5C3D1B 60%, #211206);
  box-shadow: 0 10px 20px rgba(0, 0, 0, 0.4);
}
.psv-nail {
  position: absolute;
  left: 50%;
  top: -44px;
  width: 8px;
  height: 8px;
  transform: translateX(-50%);
  border-radius: 50%;
  background: radial-gradient(circle at 35% 30%, #FFF3D3, #8B682F 58%, #2E1B08);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.6);
  display: none;
}
.mode-frame .psv-nail {
  display: block;
}
.psv-nail::before,
.psv-nail::after {
  content: "";
  position: absolute;
  top: 4px;
  width: 1px;
  height: 44px;
  background: linear-gradient(180deg, rgba(232, 213, 168, 0.55), transparent);
  transform-origin: top center;
}
.psv-nail::before {
  left: 4px;
  transform: rotate(24deg);
}
.psv-nail::after {
  left: 4px;
  transform: rotate(-24deg);
}
.mode-poster .psv-frame {
  padding: 0;
  background: #FFFDF8;
  box-shadow:
    0 0 0 1px rgba(122, 85, 96, 0.16) inset,
    0 38px 76px rgba(0, 0, 0, 0.56),
    0 10px 22px rgba(0, 0, 0, 0.26);
}
.mode-poster .psv-frame::before,
.mode-poster .psv-frame::after {
  content: "";
  position: absolute;
  top: -12px;
  width: 94px;
  height: 24px;
  background: rgba(236, 222, 190, 0.72);
  border: 1px solid rgba(255, 255, 255, 0.3);
  box-shadow: 0 2px 7px rgba(0, 0, 0, 0.16);
  transform: none;
  z-index: 6;
}
.mode-poster .psv-frame::before {
  left: -22px;
  transform: rotate(-34deg);
}
.mode-poster .psv-frame::after {
  left: auto;
  right: -22px;
  transform: rotate(34deg);
}
.mode-poster .psv-mat {
  padding: 0;
  background: #FDF8EF;
  box-shadow:
    0 0 34px rgba(74, 21, 32, 0.12) inset,
    0 -30px 44px rgba(255, 255, 255, 0.16) inset;
}
.mode-poster .psv-glare {
  inset: 0;
  background: linear-gradient(114deg, transparent 24%, rgba(255, 255, 255, 0.22) 44%, transparent 58%);
}
.psv-poster-bar {
  display: none !important;
}
.psv-hint {
  position: absolute;
  left: 50%;
  bottom: 20px;
  transform: translateX(-50%);
  padding: 8px 18px;
  border-radius: 999px;
  border: 1px solid rgba(232, 213, 168, 0.16);
  background: rgba(0, 0, 0, 0.34);
  color: rgba(246, 231, 198, 0.62);
  font-size: 10px;
  letter-spacing: 0.18em;
  pointer-events: none;
  transition: opacity 0.4s ease;
}
.psv-hint.is-hidden {
  opacity: 0;
}
.psv-bar {
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(20px, 4vw, 48px) calc(20px + env(safe-area-inset-bottom));
  background: linear-gradient(180deg, rgba(8, 4, 5, 0.2), #080405 42%);
  border-top: 1px solid rgba(232, 213, 168, 0.1);
}
.psv-meta {
  min-width: 0;
}
.psv-kicker {
  font-size: 9px;
  letter-spacing: 0.34em;
  color: rgba(232, 213, 168, 0.55);
  text-transform: uppercase;
}
.psv-title {
  margin-top: 7px;
  font-family: var(--font-display, "Songti SC", serif);
  font-size: 21px;
  letter-spacing: 0.16em;
  color: #FFF6E4;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.psv-sub {
  margin-top: 5px;
  font-size: 10px;
  letter-spacing: 0.12em;
  color: rgba(246, 231, 198, 0.46);
}
.psv-actions {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.psv-btn {
  padding: 10px 20px;
  border-radius: 999px;
  border: 1px solid rgba(232, 213, 168, 0.3);
  background: rgba(255, 253, 248, 0.06);
  color: #F6E7C6;
  font-size: 11.5px;
  letter-spacing: 0.12em;
  font-family: inherit;
  cursor: pointer;
  transition: all 0.25s ease;
}
.psv-btn:hover {
  background: rgba(232, 213, 168, 0.14);
}
.psv-btn.primary {
  border-color: transparent;
  background: linear-gradient(135deg, #A83445, #6B1C28);
  box-shadow: 0 8px 20px rgba(139, 38, 53, 0.3);
}
.psv-btn.primary:hover {
  background: linear-gradient(135deg, #B93D4F, #7A2230);
}
.psv-btn.is-locked {
  opacity: 0.62;
}
.psv-close {
  width: 38px;
  height: 38px;
  padding: 0;
  border-radius: 50%;
  border: 1px solid rgba(232, 213, 168, 0.24);
  background: rgba(255, 253, 248, 0.06);
  color: rgba(246, 231, 198, 0.82);
  font-size: 16px;
  cursor: pointer;
}
.psv-close:hover {
  background: rgba(232, 213, 168, 0.14);
}

@media (max-width: 760px) {
  .psv-bar {
    align-items: flex-end;
    gap: 12px;
    padding: 14px 18px calc(16px + env(safe-area-inset-bottom));
  }
  .psv-title {
    font-size: 17px;
  }
  .psv-btn {
    padding: 9px 14px;
    font-size: 10.5px;
  }
  .psv-close {
    width: 34px;
    height: 34px;
  }
}