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20vw}.manor-top{position:static;display:flex;flex-wrap:wrap;padding:10px 12px}.case-mark{width:100%}.objective{width:100%;order:3}.top-actions{margin-left:auto}.toolstrip{position:sticky;top:0;justify-content:flex-start;padding:6px}.toolstrip button{min-width:62px}.stage{padding:14px 10px 50px}.stage-title{display:block}.storm-status{text-align:left;margin-top:7px}.floor-map{height:330px}.scene-frame{min-height:430px}.scene-caption{display:block}.observation{grid-template-columns:1fr}.postcard-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.testimony-list{grid-template-columns:1fr}.filmstrip{grid-template-columns:repeat(2,minmax(0,1fr))}.identity-strip{grid-template-columns:1fr}.evidence-grid{grid-template-columns:1fr}.ded-select{grid-template-columns:1fr}.person-file{grid-template-columns:130px 1fr}.interview-log{grid-template-columns:1fr}.postcard-close{grid-template-columns:1fr}.statusbar{gap:10px;justify-content:flex-start;padding:0 10px;overflow:auto}.time-source{grid-template-columns:1fr}.time-source .btn{grid-column:1}.inputrow{display:grid}.inputrow input{min-width:0;width:100%}}@media(max-width:480px){.portraits,.postcard-grid,.filmstrip{grid-template-columns:1fr}.scene-frame{min-height:360px}.floor-map{height:300px}.map-node{padding:5px 6px;font-size:11px}.person-file{grid-template-columns:1fr}.person-file img{max-width:220px}.ending-card{padding:28px 18px}.ending-card h1{font-size:38px}}
/* v2.3 image/content consistency + 1998 relationship network */
.scene-clean{background:#070808}.scene-clean img{cursor:zoom-in}.scene-zoom{position:absolute;right:14px;bottom:14px;z-index:5;border:1px solid #b58a4a;background:rgba(10,10,9,.78);color:#ead9b8;padding:8px 12px;box-shadow:0 8px 24px rgba(0,0,0,.45)}
.rel-head{display:flex;justify-content:space-between;gap:18px;align-items:start;border-bottom:1px solid rgba(80,60,35,.3);padding-bottom:12px;margin-bottom:12px}.rel-head h2{margin:0 0 6px}.rel-head p{margin:0;line-height:1.65}.rel-head>b{white-space:nowrap;border:1px solid #7b6547;padding:8px 10px;background:rgba(88,65,38,.08)}
.oldcase-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.oldcase-link{border:1px solid rgba(87,67,42,.35);background:rgba(255,255,255,.12);color:#2c261d;padding:10px;text-align:left;display:grid;gap:5px}.oldcase-link>span{justify-self:start;font-size:10px;letter-spacing:.08em;border:1px solid #8f7754;padding:2px 5px}.oldcase-link b{font:600 17px serif}.oldcase-link small{line-height:1.5;color:#665b49}.oldcase-link.verified{background:rgba(75,103,79,.15);border-color:#667e68}.oldcase-link.verified>span{border-color:#657d68;color:#425845}
.oldcase-person{margin:14px 0;padding:14px;border:1px solid #5a4730;background:#0d0d0b}.oldcase-person p{line-height:1.75;color:#d1c8b8}.oldcase-person small{color:#9ca19a;line-height:1.7}.progress-chip{display:inline-block;margin-top:8px;border:1px solid #8d7047;color:#d7bd90;padding:5px 8px;font-size:12px}
.archive-v3{gap:18px}.archive-room{display:grid;grid-template-columns:minmax(320px,1.15fr) minmax(280px,.85fr);gap:18px;border:1px solid #59452e;background:#11100d;padding:12px}.archive-room>img{width:100%;height:320px;object-fit:cover;filter:brightness(.72) saturate(.7);cursor:zoom-in}.archive-room>div{padding:14px}.archive-room h2{font:500 28px serif;margin:6px 0 10px}.archive-room p{color:#aeb0aa;line-height:1.85}.archive-connection-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.archive-person-doc{background:#d5c7a9;color:#2b251d;border:1px solid #887452;padding:13px;box-shadow:0 10px 22px rgba(0,0,0,.22)}.archive-person-doc.done{box-shadow:inset 0 0 0 3px rgba(91,119,94,.18),0 10px 22px rgba(0,0,0,.22)}.archive-person-doc header{display:flex;align-items:center;gap:10px;border-bottom:1px solid rgba(78,59,37,.24);padding-bottom:8px}.archive-person-doc header img{width:58px;height:70px;object-fit:cover;filter:sepia(.18) saturate(.75)}.archive-person-doc header div{display:grid;gap:2px}.archive-person-doc header b{font:600 19px serif}.archive-person-doc header small{color:#6f624e}.archive-person-doc p{font-size:13px;line-height:1.7;min-height:68px}.archive-ev-actions{display:flex;gap:6px;flex-wrap:wrap}.archive-ev-actions .btn{font-size:11px;min-height:34px;padding:6px 9px}.identity-lab{display:grid;grid-template-columns:minmax(240px,.55fr) minmax(0,1.45fr);gap:14px;background:#11100d;border:1px solid #55432d;padding:14px}.identity-lab h2{font:500 23px serif;margin:0 0 8px}.identity-lab p{color:#a9aaa5;line-height:1.75}.image-button{display:block;border:0;background:transparent;padding:0;width:100%;cursor:zoom-in}.identity-strip figure{padding:7px}.identity-strip img{filter:sepia(.18) grayscale(.15)}
.modal.image-wide{width:min(1240px,96vw);background:#070808}.image-zoom-modal img{display:block;max-width:100%;max-height:78vh;margin:0 auto;object-fit:contain}.image-zoom-modal p{text-align:center;color:#989d97;font-size:12px;margin:10px 0 0}
@media(max-width:900px){.oldcase-grid,.archive-connection-grid{grid-template-columns:1fr}.archive-room,.identity-lab{grid-template-columns:1fr}.archive-room>img{height:260px}}@media(max-width:620px){.rel-head{display:grid}.oldcase-link small{font-size:11px}.scene-zoom{right:8px;bottom:8px}}
.archive-document{max-width:760px;margin:0 auto}.archive-document h2{font-size:30px;margin-top:8px}.document-excerpt{margin:16px 0;padding:18px 20px;border:1px solid rgba(87,65,38,.42);background:rgba(255,255,255,.2);font:16px/1.9 "STSong","SimSun",serif;white-space:pre-wrap}.oldcase-person:not(.verified){opacity:.82;border-style:dashed}.oldcase-person.verified{border-color:#667e68}

/* v2.5 opening, support entry, independent mode and loading polish */
.mode-chip{display:inline-block;margin-top:4px;border-left:3px solid #9a7748;background:rgba(9,10,9,.5);color:#cdb990;padding:7px 10px;font-size:12px}.splash-actions{max-width:720px}.splash-actions .btn{min-width:122px}.top-btn.support-entry{border-color:#8b6c42;color:#e2c58f;background:linear-gradient(#2a2118,#17130f)}.top-btn.support-entry:hover{border-color:#d0a661;color:#fff3d5}.arrival{min-height:100vh;position:relative;display:grid;align-items:end;overflow:hidden;background:#06090c}.arrival>img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;object-position:center;animation:arrivalReveal 1.2s ease both}.arrival-shade{position:absolute;inset:0;background:linear-gradient(90deg,rgba(4,7,10,.15),rgba(4,7,10,.32) 48%,rgba(4,7,10,.86) 100%),linear-gradient(180deg,transparent 38%,rgba(2,4,6,.88) 100%)}.arrival-copy{position:relative;z-index:2;width:min(720px,calc(100% - 40px));margin:0 5vw 6vh auto;padding:26px 28px;background:rgba(8,11,13,.88);border:1px solid rgba(185,147,87,.52);box-shadow:0 20px 70px rgba(0,0,0,.65);backdrop-filter:blur(6px)}.arrival-copy h1{font:500 clamp(34px,5vw,58px) "STKaiti","KaiTi",serif;letter-spacing:.08em;margin:8px 0 12px}.arrival-copy p{line-height:1.9;color:#c8cbc6;margin:9px 0}.arrival-clues{display:flex;flex-wrap:wrap;gap:7px;margin:15px 0}.arrival-clues span{font-size:11px;color:#d5bd91;border:1px solid rgba(181,138,74,.45);padding:6px 8px;background:rgba(0,0,0,.22)}@keyframes arrivalReveal{from{opacity:0;transform:scale(1.025)}to{opacity:1;transform:scale(1)}}.scene-frame img,.case-photo img,.archive-room>img{opacity:.01;transition:opacity .42s ease}.scene-frame img.image-ready,.case-photo img.image-ready,.archive-room>img.image-ready{opacity:1}.scene-frame,.case-photo,.archive-room{background:linear-gradient(110deg,#090c0e 25%,#171b1d 38%,#090c0e 52%);background-size:220% 100%;animation:imageLoading 1.5s linear infinite}.scene-frame:has(img.image-ready),.case-photo:has(img.image-ready),.archive-room:has(>img.image-ready){animation:none}@keyframes imageLoading{to{background-position:-220% 0}}.personal-check{margin-top:14px;padding:13px;border:1px solid #665138;background:#14110d}.personal-check b{color:#d2b47e}.personal-check p{font-size:13px;color:#adb0aa;line-height:1.65}.independent-note{margin-top:15px;border-left:3px solid #6f7a70;padding:8px 10px;color:#969d98;font-size:12px;background:#0b0d0c}
@media(max-width:720px){.top-actions{width:100%;display:grid;grid-template-columns:repeat(2,minmax(0,1fr))}.top-btn{min-height:40px}.arrival{align-items:end}.arrival-shade{background:linear-gradient(180deg,rgba(3,6,8,.08) 20%,rgba(3,6,8,.94) 72%)}.arrival-copy{width:calc(100% - 20px);margin:0 10px 18px;padding:19px 17px}.arrival-copy p{font-size:13px;line-height:1.75}.arrival-clues{display:grid}.splash-actions .btn{flex:1 1 145px}}
@media(prefers-reduced-motion:reduce){.arrival>img,.scene-frame,.case-photo,.archive-room,.snow{animation:none}.scene-frame img,.case-photo img,.archive-room>img{transition:none}}