#pek4-wall{background:#17211d;color:#f5f2e9;border-radius:16px;padding:18px;max-width:1180px;margin:auto;overflow:hidden}#pek4-wall button{font:inherit;color:inherit;cursor:pointer;background:transparent;border:1px solid #ffffff40;border-radius:6px;padding:7px 12px}#pek4-wall .pw-toolbar{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px}#pek4-wall .pw-stage{position:relative;height:clamp(520px,65vw,760px);overflow:hidden}#pek4-wall .pw-tile{position:absolute;width:10%;aspect-ratio:1.3;padding:0;border:0;border-radius:3px;overflow:hidden;animation:pw-drift 26s ease-in-out infinite alternate;transform:translate(-50%,-50%)}#pek4-wall img,#pek4-wall video{width:100%;height:100%;object-fit:contain;display:block}#pek4-wall .pw-tile img{object-fit:cover}#pek4-wall .pw-video-tile{background:#30443b;font-size:32px}#pek4-wall .pw-center{position:absolute;left:26%;right:26%;top:28%;bottom:28%;background:#17211d;box-shadow:none;z-index:2;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:15px}#pek4-wall .pw-focus{width:100%;height:80%;padding:0;border:0;cursor:zoom-in}#pek4-wall .pw-footer{display:flex;justify-content:space-between;align-items:center;font-size:12px;gap:10px}#pek4-wall dialog{width:100vw;max-width:100vw;height:100dvh;max-height:100dvh;background:#080c0b;color:white;border:0;padding:45px 15px 15px}#pek4-wall dialog::backdrop{background:#000e}#pek4-wall .pw-large{height:82%;max-width:1400px;margin:auto}#pek4-wall .pw-close{position:absolute;right:15px;top:8px;font-size:26px}#pek4-wall .pw-modal-nav{text-align:center;margin:15px}#pek4-wall:fullscreen{border-radius:0;max-width:none;width:100%;height:100%;display:flex;flex-direction:column}#pek4-wall:fullscreen .pw-stage{flex:1}#pek4-wall.pw-paused .pw-tile{animation-play-state:paused}@keyframes pw-drift{from{transform:translate(-50%,-65%)}to{transform:translate(-50%,-35%)}}@media(prefers-reduced-motion:reduce){#pek4-wall .pw-tile{animation:none}}@media(max-width:640px){#pek4-wall{padding:10px}#pek4-wall .pw-stage{height:520px}#pek4-wall .pw-center{left:26%;right:26%;top:28%;bottom:28%}#pek4-wall .pw-tile{width:11.5%}#pek4-wall .pw-toolbar{font-size:10px}#pek4-wall button{padding:6px;font-size:11px}#pek4-wall .pw-footer{font-size:10px}}

#pek4-wall .pw-center{overflow:hidden;min-width:0;gap:8px}#pek4-wall .pw-focus{flex:1;min-height:0;max-height:76%;overflow:hidden;box-sizing:border-box}#pek4-wall .pw-description{flex:0 0 auto;font-size:12px!important}#pek4-wall .pw-center>div{flex:0 0 auto}@media(max-width:640px){#pek4-wall .pw-description{font-size:10px!important}#pek4-wall .pw-center{gap:5px}}

/* Match JackChenWorld central composition and reserved space. */
#pek4-wall .pw-stage{width:100%;height:auto;aspect-ratio:1}
#pek4-wall .pw-center{left:26%;right:26%;top:29%;bottom:26%;padding:6px;background:#17211d;box-shadow:none;display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:minmax(0,1fr) auto auto;justify-items:center;align-items:stretch;gap:8px;box-sizing:border-box}
#pek4-wall .pw-focus{width:100%;height:100%!important;max-height:none;min-height:0;min-width:0;overflow:hidden;align-self:stretch}
#pek4-wall .pw-focus img,#pek4-wall .pw-focus video{width:100%;height:100%;max-width:100%;max-height:100%;object-fit:contain}
#pek4-wall .pw-description{margin:0!important;line-height:1.4!important}
@media(max-width:640px){#pek4-wall .pw-stage{height:auto;aspect-ratio:11/10}#pek4-wall .pw-center{left:26%;right:26%;top:28%;bottom:25%;padding:3px;gap:4px}}

/* Compact mobile controls preserve the central photograph. */
@media(max-width:640px){
#pek4-wall{padding:12px!important}
#pek4-wall .pw-toolbar{display:grid!important;grid-template-columns:1fr auto;gap:8px;font-size:10px!important;line-height:1.3!important}
#pek4-wall .pw-toolbar>div{display:flex;gap:4px;flex-wrap:nowrap}
#pek4-wall .pw-toolbar button{font-size:9px!important;line-height:1.2!important;padding:5px!important;min-height:0!important;white-space:nowrap}
#pek4-wall .pw-stage{aspect-ratio:1!important;height:auto!important}
#pek4-wall .pw-center{top:27%;bottom:25%;left:26%;right:26%;grid-template-rows:minmax(0,1fr) 26px 22px;gap:3px;padding:2px}
#pek4-wall .pw-description,#pek4-wall .pw-description span{font-size:9px!important;line-height:12px!important;font-weight:400!important;letter-spacing:0!important}
#pek4-wall .pw-description{max-height:26px;overflow:hidden;align-self:center}
#pek4-wall .pw-center>div{display:flex;align-items:center;justify-content:center;gap:5px;font-size:10px!important;line-height:1!important;white-space:nowrap}
#pek4-wall .pw-count{font-size:10px!important;line-height:1!important}
#pek4-wall .pw-center button[data-step]{font-size:12px!important;line-height:16px!important;padding:2px 6px!important;min-height:0!important;height:22px!important}
#pek4-wall .pw-focus{padding:0!important;min-height:0!important;border-radius:0!important}
#pek4-wall .pw-footer,#pek4-wall .pw-footer span{font-size:9px!important;line-height:1.4!important}
#pek4-wall .pw-footer{gap:8px;align-items:center}
}

#pek4-wall .pw-center>.pw-description{display:none!important}#pek4-wall .pw-center{grid-template-rows:minmax(0,1fr) auto auto}#pek4-wall .pw-position{font-size:12px;letter-spacing:1px;line-height:1.2}#pek4-wall .pw-center>div:last-child{display:flex;justify-content:center;gap:12px}#pek4-wall .pw-modal-description{text-align:center;font-size:14px;line-height:1.5;margin:10px auto;max-width:900px;color:#eee}#pek4-wall .pw-large{height:76%}@media(max-width:640px){#pek4-wall .pw-center{grid-template-rows:minmax(0,1fr) 14px 26px;gap:4px}#pek4-wall .pw-position{font-size:10px!important}#pek4-wall .pw-focus{max-height:none!important}#pek4-wall .pw-modal-description{font-size:13px!important;line-height:1.4!important}}

/* Photos occupy the center; controls and captions appear only when enlarged. */
#pek4-wall .pw-center{display:grid!important;grid-template-rows:minmax(0,1fr)!important;gap:0!important;padding:0!important;overflow:visible}
#pek4-wall .pw-center>.pw-position,#pek4-wall .pw-center>div,#pek4-wall .pw-center>.pw-description{display:none!important}
#pek4-wall .pw-focus{height:100%!important;max-height:100%!important;transform-origin:top left;position:relative;z-index:3}
#pek4-wall .pw-tile{animation:none!important;width:9.5%!important}

/* Desktop retains captions and navigation; mobile stays image-only. */
@media(min-width:641px){#pek4-wall .pw-center{top:22%;bottom:22%;grid-template-rows:minmax(0,1fr) auto auto auto!important;gap:8px!important;padding:6px!important}#pek4-wall .pw-center>.pw-description{display:block!important}#pek4-wall .pw-center>.pw-position{display:block!important}#pek4-wall .pw-center>div:last-child{display:flex!important;align-items:center;justify-content:center;gap:12px}#pek4-wall .pw-description{font-size:13px!important;line-height:1.5!important;margin:0!important}#pek4-wall .pw-position{font-size:12px!important}}