:root{font-family:system-ui,-apple-system,"Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:#eaf1e9;background:#101f29;color-scheme:dark;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:radial-gradient(ellipse at 40% 0,#274951,#101f29 65%);min-height:100vh}main{max-width:1200px;padding:24px clamp(14px,3vw,40px) 40px;margin:auto}header{display:flex;align-items:center;gap:22px;padding:0 0 20px}.wordmark{text-decoration:none;color:#fff0cd;font-family:Georgia,"Noto Serif CJK SC",serif;font-size:24px;letter-spacing:.15em}.wordmark span{display:block;font:9px system-ui;letter-spacing:.34em;margin-top:5px}.revision{font-size:12px;color:#c2d4ce;border:1px solid #54716f;border-radius:99px;padding:7px 12px}nav{margin-left:auto;display:flex;gap:8px}button{font:inherit;font-size:13px;color:#e6ede5;background:#233f49;border:1px solid #64838666;border-radius:9px;min-height:40px;padding:8px 14px;cursor:pointer;touch-action:none;user-select:none}button:hover{background:#31555c}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #99e0dc;outline-offset:4px}button:disabled{opacity:.55;cursor:wait}.primary{background:#f0cc8f;color:#203a42;border-color:#f0cc8f;font-weight:650}.primary:hover{background:#ffe0a3}[hidden]{display:none!important}#frame{position:relative;overflow:hidden;border:1px solid #92c4c34d;border-radius:18px;background:#182f3a;box-shadow:0 20px 70px #030c1440}canvas{display:block;width:100%;height:auto;aspect-ratio:16/9;outline:none;background:#182f3a}#intro{position:absolute;inset:0;background:linear-gradient(90deg,#173a43ed,#193941b5 62%,#203a4133),url(assets/landscape.webp) center/cover;padding:clamp(24px,4vw,60px);display:flex;flex-direction:column;justify-content:center;align-items:flex-start}.eyebrow{font-size:11px;letter-spacing:.21em;text-transform:uppercase;color:#acd6cf}h1{font-family:Georgia,"Noto Serif CJK SC",serif;font-size:clamp(27px,5vw,58px);font-weight:500;line-height:1.24;letter-spacing:.11em;color:#fff2d1;margin:18px 0}#intro p{max-width:430px;line-height:1.8;font-size:14px;margin:0 0 20px;color:#d4e3d9}.start-actions{display:flex;flex-wrap:wrap;gap:10px}.start-actions button{padding:12px 20px}.scope{font-size:11px!important;max-width:480px!important;opacity:.7;margin-top:20px!important}.controls{display:flex;gap:14px;flex-wrap:wrap;font-size:11px;color:#a6c3c0;padding:17px 2px}.status-line{display:flex;gap:16px;align-items:baseline;justify-content:space-between;font-size:12px;color:#ccd7c9}.status-line p{margin:4px 0}#save-state{font-size:11px;color:#8caeac}.recovery-controls{display:flex;gap:8px;padding:10px 0}.touch-controls{display:flex;justify-content:space-between;gap:12px;margin-top:12px}.touch-controls>div{display:flex;gap:7px}.touch-controls button{min-width:46px;min-height:46px;padding:8px 12px}.touch-controls .jump{min-width:64px;background:#d8c58b;color:#193941}.touch-controls .is-held{box-shadow:inset 0 0 0 2px #b4fff3;transform:translateY(1px);background:#37616a}details{margin-top:18px;border-top:1px solid #72969133;padding-top:14px;color:#8fb1ae;font-size:12px}summary{cursor:pointer}details p{line-height:1.8;max-width:760px}label{display:flex;gap:9px;align-items:center}input{accent-color:#8bded3}dialog{max-width:450px;color:#e8efe2;background:#193b43;border:1px solid #78978a;border-radius:18px;padding:28px}dialog::backdrop{background:#081b25c9;backdrop-filter:blur(3px)}dialog h2{font-size:22px;color:#ffe0a3;margin:0 0 15px}dialog p{line-height:1.8;font-size:14px}dialog div{display:flex;justify-content:flex-end;gap:10px;margin-top:22px}@media(min-width:1000px)and (pointer:fine){.touch-controls{display:none}}@media(max-width:650px){main{padding:18px 10px 30px}header{gap:9px;flex-wrap:wrap}.wordmark{font-size:19px}.revision{font-size:10px;padding:5px 8px}nav{width:100%;margin-left:0;justify-content:flex-end}button{font-size:12px;min-height:42px}#frame{border-radius:12px}#intro{padding:18px}#intro h1{margin:8px 0;font-size:30px}#intro p{font-size:11px;margin-bottom:9px;max-width:85%}#intro .scope{display:none}.eyebrow{font-size:9px}.start-actions{gap:5px}.start-actions button{padding:8px 12px;font-size:11px;min-height:35px}.touch-controls{gap:6px;flex-wrap:wrap}.touch-controls button{min-width:43px;padding:7px;font-size:11px}.status-line{display:block;font-size:11px}.controls{font-size:10px;gap:9px}.recovery-controls{flex-wrap:wrap}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important}button{transition:none!important}.touch-controls .is-held{transform:none}}.game-stage{position:relative;isolation:isolate}.game-stage #intro{z-index:2}.game-stage .story-dialog{z-index:3}.game-overlays{display:flex;justify-content:flex-end;min-width:0}.game-overlays:not(:has(#npc-ui:not([hidden]))){display:none}#npc-ui{position:relative;width:min(30rem,100%);padding:10px 12px;border:1px solid #78998c;border-radius:12px;background:#15353bf5;pointer-events:auto}.npc-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;flex-wrap:wrap}.npc-prototype,.npc-hint,#npc-save{font-size:.75rem;color:#c4d9cf;line-height:1.45}#npc-prompt,#npc-close{min-height:44px;font-size:.875rem;padding:7px 10px}#npc-ui:has(#npc-dialogue[hidden]){width:auto;max-width:100%}#npc-ui:has(#npc-dialogue:not([hidden]))>.npc-actions{position:absolute;top:10px;right:12px;max-width:7.75rem}#npc-ui:has(#npc-dialogue:not([hidden])) .npc-prototype{display:none}#npc-dialogue h2{display:flex;align-items:center;min-height:44px;padding-inline-end:8.25rem;font-size:.9375rem;line-height:1.35;color:#ffe0a3;margin:0}#npc-lines{white-space:pre-line;font-size:1rem;line-height:1.5;margin:6px 0;color:#fff2d1;overflow-wrap:anywhere}#npc-dialogue>.npc-actions{flex-wrap:nowrap}#npc-save{margin:0;min-width:0;overflow-wrap:anywhere}#npc-close{flex:none}.npc-hint{margin:5px 0 0}@media(max-width:650px){#npc-ui{padding:8px 10px}#npc-ui:has(#npc-dialogue:not([hidden]))>.npc-actions{top:8px;right:10px}}#traveler-dialog{max-width:min(900px,94vw)}#traveler-dialog header>div{display:block;justify-content:initial;gap:0;margin:0}#traveler-dialog .traveler-layout{justify-content:stretch;margin-top:18px}#traveler-dialog .traveler-equipment{justify-content:flex-start}#traveler-dialog .traveler-stage>div{justify-content:center;margin-top:12px}.game-hud{position:static;width:100%;display:flex;flex-wrap:wrap;gap:9px;align-items:center;pointer-events:none;font-size:12px;color:#fff3ce;font-weight:650}.game-hud span{padding:6px 9px;border:1px solid #c2d5c342;border-radius:8px;background:#13353be0}.game-hud span:last-child{margin-left:auto}@media(max-width:650px){.game-hud{gap:5px;font-size:10px}.game-hud span{padding:4px 6px}}#traveler-dialog{width:min(900px,94vw);max-height:92dvh;overflow:auto;padding:24px;border:1px solid #83988b;background:#182b2c;color:#f6eed6}#traveler-dialog::backdrop{background:#0b151bd9}#traveler-dialog header,#traveler-dialog footer{display:flex;align-items:center;justify-content:space-between;gap:16px}#traveler-dialog h2{margin:8px 0;font-size:26px}.traveler-layout{display:grid;grid-template-columns:1.3fr 1fr;gap:24px}#traveler-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.traveler-card{display:grid;justify-items:center;min-width:0;padding:8px}.traveler-card img{width:100%;height:auto;aspect-ratio:144/160;object-fit:contain}.traveler-card[aria-pressed=true],.traveler-equipment button[aria-pressed=true]{outline:3px solid #f2c264;outline-offset:2px;background:#405545}.traveler-equipment{display:flex;gap:10px;margin:14px 0;flex-wrap:wrap}.traveler-stage{text-align:center;border-radius:14px;background:radial-gradient(ellipse,#517273,#1c3034);padding:8px}.traveler-stage canvas{max-width:100%;height:280px;object-fit:contain}.traveler-stage button{min-height:48px}#traveler-dialog button{min-height:48px}#traveler-dialog button:focus-visible{outline:3px solid #fff;outline-offset:4px}#traveler-status{min-height:48px;font-size:14px;line-height:1.6}@media(max-width:640px){#traveler-dialog{padding:14px}.traveler-layout{grid-template-columns:1fr;gap:12px}.traveler-stage canvas{height:180px}.traveler-stage{display:flex;align-items:center;justify-content:center}#traveler-dialog footer{align-items:flex-start;flex-direction:column}.traveler-card span{font-size:13px}}.story-dialog{padding:0;width:min(100vw - 24px,960px);max-width:960px;max-height:calc(100dvh - 24px);border:1px solid #8c947866;border-radius:14px;background:#10232e;color:#fff3d6;box-shadow:0 22px 90px #0008;overflow:auto}.story-dialog::backdrop{background:#07131ad9}.story-screen{position:relative;aspect-ratio:16/9;background:#10232e}.story-screen video,.story-screen img{display:block;width:100%;height:100%;object-fit:contain}.story-screen [hidden]{display:none}.story-subtitle{position:absolute;bottom:12px;left:9%;right:9%;font:500 clamp(16px,2.5vw,24px)/1.5 system-ui,sans-serif;text-align:center;padding:8px 12px;background:#10232ee6;color:#fff5dc;border-radius:6px}.story-subtitle:empty{display:none}.story-bar{padding:12px;display:flex;align-items:center;justify-content:flex-end;gap:8px;flex-wrap:wrap}.story-status{margin-right:auto;flex:1 1 170px;font-size:14px;color:#d1dcce}.story-dialog button{font:inherit;color:#f7edce;background:#294047;border:1px solid #a5af8e70;border-radius:7px;min-height:44px;padding:8px 12px;cursor:pointer}.story-dialog button:focus-visible{outline:3px solid #ffe0a1;outline-offset:2px}.story-dialog [data-story=skip]{background:#e4c88d;color:#23343b}.story-recovery{padding:12px;display:flex;gap:12px;flex-wrap:wrap}.story-dialog [hidden]{display:none!important}.story-dialog[data-lit=true] .story-still{animation:first-lamp-warm .6s ease-out both}@keyframes first-lamp-warm{from{filter:brightness(.74)}to{filter:brightness(1)}}.story-dialog[data-reduced=true] .story-still{animation:none}.story-title-actions{display:grid;grid-template-columns:1fr 1fr;gap:10px;max-width:480px}.story-title-actions #start{grid-column:1/-1;min-height:60px;font-size:18px}.story-title-actions button{min-height:44px}.story-settings{max-width:min(600px,95vw);padding:24px;background:#10232e;color:#fff3d6;border:1px solid #8c947866;border-radius:12px}.story-settings>label{display:block;margin:16px 0;font-size:17px}.story-settings input[type=checkbox]{width:20px;height:20px;vertical-align:middle}.story-settings button{min-height:44px}.story-continue-reason{display:block;margin-top:8px}.story-replay-link{margin-top:16px}.story-transcript{padding:10px 18px;line-height:1.8}.story-transcript summary{cursor:pointer;min-height:32px}@media(max-width:560px){.story-dialog{width:calc(100vw - 12px)}.story-bar{gap:6px;padding:8px}.story-subtitle{left:3%;right:3%;bottom:6px;font-size:16px;padding:5px}.story-bar button{flex:1 1 auto;font-size:14px}.story-status{flex-basis:100%}}@media(prefers-reduced-motion:reduce){.story-dialog[data-lit=true] .story-still{animation:none}}#intro.story-title{background:linear-gradient(90deg,#142f39f0,#173642df 46%,#19394180 76%,#203a410a);padding:clamp(16px,2.8vw,32px);overflow:auto;justify-content:flex-start}#intro.story-title h1{font-size:clamp(28px,3.8vw,42px);line-height:1.12;margin:10px 0}#intro.story-title>p{font-size:12px;line-height:1.6;max-width:410px;margin-bottom:12px}#intro.story-title>.scope{display:none}.story-title-actions{max-width:440px;gap:8px}.story-title-actions #start{min-height:48px;font-size:16px}.story-title-actions button{min-height:40px;padding:8px 14px}.story-title .story-replay-link{min-height:36px;margin-top:8px}.story-title .story-continue-reason{font-size:11px;margin-top:4px}.story-dialog .story-screen{display:block;margin:0;gap:0}.story-dialog .story-bar,.story-dialog .story-recovery{margin:0}.story-shared-audio{display:block!important;margin:0!important}.story-shared-audio>.recovery-controls{display:flex;flex-wrap:wrap;margin:0;justify-content:flex-start}.story-shared-audio label{flex:1 1 100%;display:flex;justify-content:space-between;min-height:36px}.story-shared-audio input[type=range]{flex:1;min-width:90px;max-width:310px}.story-shared-audio p{flex:1 1 100%;margin:4px 0}@media(max-width:650px){#intro.story-title h1{font-size:28px}#intro.story-title>.eyebrow{font-size:9px}.story-title-actions #start{font-size:13px;min-height:42px}.story-title-actions button{font-size:11px;min-height:36px}}.recovery-controls{flex-wrap:wrap}.chapter-load-error{margin:1rem 0;padding:1rem;border:1px solid #b28c54;border-radius:.75rem;background:#203038}.chapter-load-error[hidden]{display:none}.chapter-load-error a{align-self:center;color:#e5c995}.prototype-notice{font-size:12px;line-height:1.5;margin:0 0 14px;color:#d7c7a3}/* The playfield and every opaque active control occupy different normal-flow
   boxes. Only the CSS display size changes; the canvas backing store and all
   world/camera/input transforms remain untouched. */
#frame{margin-inline:auto;width:100%}
.game-stage[data-playing=true] #frame{width:var(--playfield-width,100%)}
#game-dock{display:flex;flex-direction:column;gap:8px;margin-top:8px;min-width:0}
#game-chrome{position:relative;display:grid;grid-template-columns:minmax(0,1fr) auto;gap:6px;min-width:0}
#npc-ui{align-self:flex-end;width:min(40rem,100%);max-width:100%;max-height:none}
#game-chrome button,#game-chrome a,#game-chrome summary{min-height:44px;min-width:44px;touch-action:manipulation}
.stage-toolbar,.stage-context{display:flex;align-items:center;gap:6px;min-width:0}
.stage-toolbar{grid-column:1/-1;flex-wrap:nowrap;padding:4px;background:#15353bf5;border:1px solid #78998c;border-radius:10px}
.stage-toolbar>button,#stage-menu{flex:none}
.stage-toolbar #save-state{flex:1 1 0;min-width:0;max-height:44px;overflow:auto;margin:0;font-size:11px;line-height:1.35;color:#d0e0d5}
.stage-context{grid-column:2;justify-content:flex-end;flex-wrap:wrap}
.stage-context:not(:has(button:not([hidden]))){display:none}
#stage-menu{margin:0;padding:0;border:0;color:inherit;font-size:13px;min-width:0}
#stage-menu summary{display:flex;align-items:center;padding:8px 12px;border:1px solid #64838666;border-radius:8px;background:#233f49}
#stage-menu>div{position:static;display:flex;flex-wrap:wrap;gap:6px;max-width:100%;padding:8px 0 0;pointer-events:auto}
.stage-toolbar:has(#stage-menu[open]){flex-wrap:wrap}
#stage-menu[open]{order:3;flex:1 1 100%}
#game-chrome a{display:inline-flex;align-items:center;padding:8px 12px;color:#ffe0a3}
#stage-card{min-width:0;grid-column:1;display:flex;flex-direction:column;border:1px solid #78998c;border-radius:10px;background:#15353bf5}
.stage-primary{display:flex;gap:6px;flex-wrap:wrap;padding:8px}
.stage-primary .recovery-controls{display:contents}
.stage-primary button{flex:none}
.stage-primary:not(:has(button:not([hidden]))){display:none}
.stage-card-body{min-width:0;padding:8px 12px;font-size:13px;line-height:1.5;overflow-wrap:anywhere}
.stage-card-body p{margin:4px 0}
.game-stage[data-chrome-mode=secret] .stage-card-body{display:flex;align-items:center;gap:6px 12px;flex-wrap:wrap;padding:6px 10px}
.game-stage[data-chrome-mode=secret] #secret-panel{display:flex;align-items:center;gap:6px 12px;flex-wrap:wrap}
#secret-save{font-size:11px;color:#c4d9cf}
.secret-details{margin:0;padding:0;border:0;min-width:0}
.secret-details summary{display:flex;align-items:center;line-height:1.5}
.secret-details[open]{flex-basis:100%}
.game-stage[data-chrome-mode=recovery] #stage-card{grid-column:1/-1}
.game-stage[data-chrome-mode=recovery] #npc-ui,.game-stage:has(#stage-menu[open]) #npc-ui{display:none}
#secret-entrance{max-width:min(450px,calc(100vw - 16px));max-height:calc(100dvh - 16px);overflow:auto;padding:20px}
#secret-entrance>div{flex-wrap:wrap}
#secret-entrance button{min-height:44px}
#save-state:focus-visible{outline:2px solid #99e0dc;outline-offset:2px}
@media(max-width:650px){.stage-toolbar #save-state{font-size:10px}.stage-card-body{padding:6px 8px}#secret-entrance{padding:14px}.game-hud{gap:5px}.game-hud span:last-child{margin-left:0}}
@media(max-width:440px){#game-chrome{grid-template-columns:minmax(0,1fr)}.stage-context{grid-column:1;justify-content:flex-start}.stage-toolbar{flex-wrap:wrap}.stage-toolbar #save-state{flex:1 1 100%;max-height:none}.touch-controls>div{flex-wrap:wrap}}