:root{--paper:#fbf8f2;--sand:#efe7d8;--ink:#2c4448;--muted:#657374;--red:#a03a31;--gold:#b69449;--line:#2c444824;--green:#3a705d}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Georgia,"Songti SC",SimSun,serif;line-height:1.65}button,a,input,select,textarea{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer;color:inherit}button:disabled{opacity:.48;cursor:default}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:3px solid var(--gold);outline-offset:4px}a{color:inherit}button{border:1px solid var(--line);background:transparent;border-radius:6px;padding:10px 16px;min-height:44px}button:hover:enabled{background:#eae5d8}button.primary,.primary{background:var(--red);color:white;border-color:var(--red)}button.primary:hover:enabled{background:#87342d}.masthead{display:flex;justify-content:space-between;align-items:center;padding:20px 4vw;border-bottom:1px solid var(--line);gap:16px}.brand{display:flex;align-items:center;gap:14px;text-decoration:none}.brand-seal{display:grid;place-items:center;background:var(--red);color:var(--paper);width:44px;height:48px;font-size:28px;border-radius:3px}.brand b{font-size:22px;font-weight:500;letter-spacing:.03em}.brand small{display:block;color:var(--muted);font:11px/1.7 Arial,sans-serif;letter-spacing:.1em}.header-actions{display:flex;gap:12px;align-items:center}.text-btn{border:0;font-size:13px;text-decoration:underline;text-underline-offset:4px;padding:8px}.lang-btn{padding:6px 14px}.game-layout{max-width:1440px;margin:auto;display:grid;grid-template-columns:310px 1fr;gap:55px;padding:34px 4vw 42px}.eyebrow{font:10px/1.7 Arial,sans-serif;letter-spacing:.16em;color:var(--muted)}.atlas h1{font-size:30px;font-weight:400;margin:16px 0}.intro{font-size:14px;color:var(--muted);max-width:280px}.route-mode{display:flex;gap:5px;margin:22px 0}.route-mode button{flex:1;font:12px Arial,sans-serif;padding:9px 8px}.route-mode .active{background:var(--ink);color:var(--paper)}.route-list{position:relative}.route-list:before{content:"";position:absolute;left:18px;top:20px;bottom:24px;width:1px;background:#b6944955}.route-stop{width:100%;display:flex;gap:14px;align-items:center;text-align:left;border:0;margin:4px 0;padding:8px 0;border-radius:0;position:relative}.route-stop .number{width:36px;height:36px;display:grid;place-items:center;background:var(--paper);border:1px solid var(--line);border-radius:50%;font:12px Arial,sans-serif;flex-shrink:0}.route-stop.selected .number{background:var(--red);color:white;border-color:var(--red)}.route-stop.done .number{background:var(--green);color:white}.route-stop b{font-size:15px;font-weight:500}.route-stop small{display:block;font:11px/1.65 Arial,sans-serif;color:var(--muted)}.route-stop.selected b{color:var(--red)}.map-launch{display:flex;gap:12px;align-items:center;width:100%;border-color:var(--gold);margin-top:24px;background:#eee6d5;text-align:left}.map-launch b{font-size:15px;font-weight:500}.map-launch small{display:block;font:11px Arial,sans-serif}.map-icon{font-size:30px;color:var(--red)}.atlas-note{font:11px/1.8 Arial,sans-serif;color:var(--muted);margin-top:16px}.progress-row{display:flex;justify-content:space-between;gap:10px;align-items:center;font:12px Arial,sans-serif}.progress-track{height:3px;background:var(--sand);margin:8px 0 24px}.progress-track>div{background:var(--gold);height:100%;transition:width .3s}.scene{min-height:260px;background:linear-gradient(135deg,#dce8e3,#eae3d0);display:flex;align-items:center;justify-content:space-between;position:relative;padding:28px 36px;border-radius:4px;overflow:hidden}.scene-copy{z-index:1;width:60%}.scene h2{font-size:42px;font-weight:400;line-height:1.2;margin:12px 0 16px}.scene p{font-size:14px;max-width:450px;margin:0}.scene svg{width:38%;max-height:235px;align-self:flex-end;opacity:.85}.art-note{position:absolute;bottom:8px;right:12px;font:9px Arial,sans-serif;color:var(--muted)}.station-tabs{display:flex;border-bottom:1px solid var(--line);margin-top:22px;gap:30px}.station-tabs button{border:0;border-radius:0;padding:10px 0;font-size:14px}.station-tabs .active{border-bottom:2px solid var(--red);color:var(--red)}.activity{min-height:335px;padding:24px 0 16px}.activity h3{font-size:25px;font-weight:400;margin:0 0 8px}.activity p{font-size:14px}.instruction{color:var(--muted);margin:0 0 20px;max-width:670px}.task-layout{display:grid;grid-template-columns:minmax(190px,310px) 1fr;gap:28px;align-items:center}.task-aside p{margin:0 0 16px}.weave{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;width:220px;max-width:100%;margin:auto;padding:12px;background:var(--sand);border:2px solid #b6944980}.weave button{min-height:43px;padding:0;border-radius:0;border:1px solid #bca77e;background:repeating-linear-gradient(90deg,#b89d62 0 3px,#ccb782 3px 7px)}.weave button.over{background:repeating-linear-gradient(0deg,#a03a31 0 3px,#c37366 3px 7px)}.weave button.hint-cell{outline:2px solid var(--red)}.swatches{display:flex;gap:8px;margin:12px 0}.swatches button{width:42px;height:42px;padding:0}.hint{font:12px/1.7 Arial,sans-serif;color:var(--muted)}.feedback{padding:12px 16px;background:#e4ede7;color:#2b5c4d;border-left:3px solid var(--green);font-size:14px;margin:16px 0}.feedback.error{background:#f4e5df;color:#8d3931;border-color:var(--red)}.question{border-top:1px solid var(--line);padding-top:18px;margin-top:22px}.question h4{font-size:16px;font-weight:500;margin:0 0 12px}.answers{display:grid;gap:8px}.answers button{text-align:left;font-size:13px}.answers button.correct{border-color:var(--green);background:#e4ede7}.quiz-label{font:10px Arial,sans-serif;letter-spacing:.12em;color:var(--gold);margin-bottom:8px}.chips{display:flex;gap:8px;flex-wrap:wrap}.chips button.selected,.sequence button.selected{background:var(--ink);color:var(--paper)}.sequence{display:grid;grid-template-columns:repeat(2,1fr);gap:8px}.sequence button{text-align:left;font-size:13px}.sequence-output{padding:14px;border:1px dashed var(--gold);margin:14px 0;font-size:14px;min-height:55px}.water-controls{display:grid;gap:12px;max-width:450px}.water-controls label{display:flex;justify-content:space-between;gap:15px;font-size:14px}.water-controls input{width:110px;accent-color:var(--red)}.hotspot-art{position:relative;height:230px;background:#eee1c8;border-radius:3px;display:grid;place-items:center}.hotspot-art svg{width:240px;height:200px}.hotspot-art button{position:absolute;border-radius:50%;width:42px;height:42px;padding:0;min-height:42px;background:var(--paper);border:2px solid var(--red);color:var(--red);box-shadow:0 0 0 7px #fbf8f240}.hotspot-art button.seen{background:var(--green);color:white;border-color:var(--green)}.specimen-note{font:11px/1.6 Arial,sans-serif;color:var(--muted)}.match-row,.exhibit-row{display:grid;grid-template-columns:100px 1fr;gap:12px;align-items:center;margin-bottom:12px;font-size:14px}.match-row select,.exhibit-row select{width:100%;min-height:44px;padding:8px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:13px}.story-text{max-width:750px;border-left:2px solid var(--gold);padding-left:22px}.story-text p{font-size:16px;line-height:1.9}.source-link{font:12px/1.8 Arial,sans-serif;color:var(--muted);display:block;margin:16px 0}.source-link a{text-decoration:underline}.story-bridge{font-size:15px;background:#eee6d5;padding:16px}.station-footer{display:flex;justify-content:space-between;gap:20px;align-items:center;border-top:1px solid var(--line);padding-top:18px}.station-footer p{font:12px/1.8 Arial,sans-serif;color:var(--muted);margin:0}.station-footer button{white-space:nowrap}.site-footer{border-top:1px solid var(--line);display:flex;justify-content:center;align-items:center;gap:25px;padding:16px 4vw;font-size:12px;color:var(--muted)}dialog{border:0;border-radius:8px;max-width:850px;width:calc(100% - 28px);max-height:90svh;padding:34px;background:var(--paper);color:var(--ink);box-shadow:0 24px 100px #14252833}dialog::backdrop{background:#20363899;backdrop-filter:blur(4px)}dialog h2{font-size:30px;font-weight:400;margin:0 34px 16px 0}.close-btn{position:absolute;top:8px;right:10px;font-size:26px;border:0;padding:0;width:44px}.dialog-actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.dialog-note{font:12px/1.8 Arial,sans-serif;color:var(--muted)}#realMap{height:380px;border:1px solid var(--line);background:var(--sand);border-radius:4px}#realMap .map-status{position:absolute;bottom:25px;left:12px;right:12px;z-index:800;font:12px/1.6 Arial,sans-serif;background:#fbf8f2ed;padding:8px;border-radius:4px}.map-label{background:var(--paper);border:1px solid var(--gold);padding:2px 5px;font:10px Arial,sans-serif}.passport-preview{border:1px solid var(--gold);padding:24px;background:linear-gradient(140deg,#efe5ce,#e0ebe4);margin:15px 0}.passport-preview h3{font-size:28px;font-weight:400;margin:0 0 10px}.stamps{display:flex;gap:9px;flex-wrap:wrap;margin-top:16px}.stamp{border:1px solid var(--red);padding:6px 10px;color:var(--red);font-size:12px}.passport-note{display:block;width:100%;min-height:75px;background:var(--paper);border:1px solid var(--line);padding:10px;font:14px/1.6 Georgia,serif;color:var(--ink);resize:vertical}.metrics{display:flex;gap:30px;margin:16px 0;font:12px Arial,sans-serif}.metrics b{font:28px Georgia,serif;display:block}.pack-items{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:18px 0}.pack-item{border:1px solid var(--line);padding:14px}.pack-item .glyph{font-size:28px}.pack-item h4{margin:6px 0;font-size:16px;font-weight:500}.pack-item button{padding:7px 10px;font-size:12px;width:100%}.pack-item p{font-size:12px;margin:4px 0 10px}.pack-log{padding:12px;background:var(--sand);font-size:13px}#toast{position:fixed;bottom:22px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 20px;box-shadow:0 8px 30px #20363833;z-index:5000;border-radius:5px;max-width:90vw;font:13px Arial,sans-serif;display:none}#toast.show{display:block}.source-list li{margin:12px 0;font-size:14px}.source-list a{text-decoration:underline}.small-actions{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.creative-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:6px;width:210px;max-width:100%;margin:15px 0}.creative-grid button{height:45px;min-height:45px;border-radius:0;padding:0}.reflection{padding:14px;background:#eee6d5;font-size:14px;margin-top:15px}.flow-step{font-size:12px;color:var(--muted)}
@media(min-width:1550px){.game-layout{padding-top:45px}.scene{min-height:300px}.activity{min-height:380px}}@media(max-width:1100px){.game-layout{grid-template-columns:250px 1fr;gap:28px;padding:25px}.scene{padding:24px}.scene h2{font-size:34px}.task-layout{gap:16px;grid-template-columns:220px 1fr}.site-footer{gap:12px}}@media(max-width:800px){.game-layout{display:flex;flex-direction:column;padding:20px;gap:22px}.atlas h1{font-size:25px;margin:8px 0}.intro{max-width:none;margin:6px 0}.route-mode{margin:14px 0}.route-list{display:flex;overflow-x:auto;gap:12px;padding:4px 0}.route-list:before{display:none}.route-stop{width:auto;min-width:140px;padding:6px 4px;gap:8px}.route-stop b{font-size:13px}.route-stop small{font-size:10px}.map-launch{margin-top:12px;padding:10px;min-height:55px}.atlas-note{margin:7px 0 0}.scene{min-height:215px}.scene-copy{width:67%}.scene h2{font-size:30px}.scene p{font-size:13px}.scene svg{width:33%}.masthead{padding:14px 20px}.brand b{font-size:18px}.brand small{font-size:9px}.header-actions{gap:3px}.header-actions .text-btn{font-size:11px}.task-layout{grid-template-columns:1fr 1fr}.site-footer{flex-wrap:wrap;gap:8px}.site-footer>span{width:100%;text-align:center}.activity{min-height:0}.station-tabs{gap:20px}.station-tabs button{font-size:13px}.weave{width:200px}.progress-track{margin-bottom:16px}}@media(max-width:520px){.game-layout{padding:15px}.brand-seal{width:32px;height:38px;font-size:23px}.brand{gap:8px}.brand small{letter-spacing:.02em}.brand b{font-size:16px}.masthead{padding:12px 15px}.scene{padding:22px 18px;min-height:205px}.scene-copy{width:72%}.scene h2{font-size:28px}.scene svg{position:absolute;width:140px;bottom:15px;right:-30px;opacity:.4}.scene p{font-size:12px}.task-layout{grid-template-columns:1fr}.task-aside{margin-top:4px}.activity h3{font-size:23px}.station-footer{align-items:flex-start;gap:8px}.station-footer button{padding:9px;font-size:12px;white-space:normal;max-width:135px}.station-footer p{font-size:11px}.station-tabs{justify-content:space-between;gap:8px}.station-tabs button{font-size:12px}.pack-items{grid-template-columns:1fr}.pack-item{display:grid;grid-template-columns:35px 1fr;column-gap:14px}.pack-item h4{grid-column:2}.pack-item p,.pack-item button{grid-column:2}.pack-item .glyph{grid-row:1/4}.match-row,.exhibit-row{grid-template-columns:75px 1fr;gap:7px}dialog{padding:24px 18px}dialog h2{font-size:25px}.metrics{gap:20px}#realMap{height:300px}.hotspot-art{max-width:310px;margin:auto}.route-stop{min-width:137px}.site-footer{font-size:11px}}
@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;transition:none!important;animation:none!important}}
.adventure-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px}.adventure-head>button{font-size:12px;white-space:nowrap}.adventure-head h3{margin-top:7px}.caravan-stats{display:grid;grid-template-columns:repeat(6,1fr);border-top:1px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;gap:8px;margin:16px 0 24px;font:11px Arial,sans-serif;color:var(--muted)}.caravan-stats b{font:27px/1.5 Georgia,serif;color:var(--ink);display:block}.adventure-columns{display:grid;grid-template-columns:1.1fr 1fr;gap:28px}.adventure-columns h4,.departure h4{font-size:18px;font-weight:500;margin:0 0 12px}.market-header,.market-row{display:grid;grid-template-columns:1.3fr .5fr 1fr 1fr;gap:8px;align-items:center}.market-header{font:11px Arial,sans-serif;color:var(--muted);padding-bottom:8px}.market-row{margin-bottom:8px;font-size:13px}.market-row>span:nth-child(2){font:16px Georgia}.market-row button{min-height:36px;padding:5px;font:12px Arial,sans-serif;border-color:#cbbd9b}.market-row i{font-size:22px;font-style:normal;margin-right:8px;color:var(--gold)}.commission{border-left:1px solid var(--line);padding-left:26px}.commission h4{margin-top:6px}.commission p{margin:8px 0 13px;font-size:13px}.commission .order-needs{font:12px Arial,sans-serif;color:var(--gold)}.commission>button{font-size:12px;display:inline-block;padding:8px 12px;margin:4px 4px 4px 0}.commission .text-btn{display:block}.departure{border-top:1px solid var(--line);padding-top:20px;margin-top:24px}.departure h4{margin-bottom:5px}.departure p{margin:0 0 12px;color:var(--muted);font-size:13px}.departure-actions{display:grid;grid-template-columns:repeat(3,1fr);gap:8px}.departure-actions button{padding:12px 8px}.departure-actions b{display:block;font-size:13px;font-weight:500}.departure-actions small{display:block;font:10px/1.7 Arial,sans-serif;margin-top:4px}.encounter{padding:28px;background:linear-gradient(130deg,#eee1c7,#e1ece4);border-left:3px solid var(--gold);margin:20px 0}.encounter h3{margin-top:12px}.journey-result{padding:26px;background:linear-gradient(140deg,#eee1c7,#dce9e3);margin:20px 0}.journey-result h3{margin-top:12px}.journey-result button{margin:10px 8px 0 0}.journey-log{font-size:12px;border-top:1px solid var(--line);margin-top:20px;padding-top:12px}.journey-log summary{cursor:pointer;color:var(--muted)}.journey-log p{font-size:12px;margin:6px 0}.weave button{transition:transform .12s}.weave button:active{transform:scale(.92)}
@media(max-width:1100px){.adventure-columns{gap:18px}.commission{padding-left:18px}.market-row{gap:5px}.market-row i{margin-right:4px}.caravan-stats b{font-size:24px}.departure-actions{grid-template-columns:1fr 1fr}.departure-actions>button:last-child{grid-column:1/-1}}@media(max-width:600px){.adventure-columns{grid-template-columns:1fr;gap:24px}.commission{border-left:0;border-top:1px solid var(--line);padding:18px 0 0}.caravan-stats{grid-template-columns:repeat(3,1fr);gap:14px;padding:14px 0}.caravan-stats b{font-size:24px}.market-row{grid-template-columns:1.3fr .4fr 1fr 1fr}.market-row button{min-height:42px}.adventure-head h3{font-size:22px}.adventure-head>button{padding:8px}.departure-actions{grid-template-columns:1fr}.departure-actions>button:last-child{grid-column:auto}.departure-actions button{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:52px}.departure-actions small{margin-top:0;text-align:right}.encounter{padding:20px}.encounter .dialog-actions{flex-direction:column}.encounter .dialog-actions button{text-align:left}}

/* Retain flat illustration style with a slightly richer scene. */
.scene svg{opacity:.95;filter:drop-shadow(0 5px 4px #5b553412)}.scene{background:linear-gradient(135deg,#dce8e3,#ede4cf)}

.quick-guide{margin-top:18px;padding:16px 18px;border:1px solid #b6944945;border-radius:6px;background:#efe7d866}
.quick-guide h3{margin:0 0 8px;font-size:17px;font-weight:500}
.quick-guide ol{padding-left:22px;margin:0 0 10px;font-size:13px}.quick-guide li{margin:5px 0}
.quick-guide p{font:12px/1.7 Arial,sans-serif;color:var(--muted);margin:10px 0 0}.quick-guide button{font-size:13px}
.arcade-start{width:100%;margin:10px 0}.arcade-lanes{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin:12px 0}
.arcade-lanes button{min-height:48px;touch-action:manipulation}.arcade-lanes button[aria-pressed=true]{background:var(--ink);color:var(--paper)}
.arcade-secondary{flex-wrap:wrap}.arcade-secondary [hidden],.arcade-start[hidden]{display:none!important}
@media(max-width:800px){
 .station-tabs{position:sticky;top:0;z-index:4;background:var(--paper);margin-top:16px;padding:4px 0;box-shadow:0 4px 8px #20363808}
 .station-tabs button{flex:1;min-height:48px;padding:10px 4px}
 #activity{scroll-margin-top:72px}.route-list{scroll-snap-type:x proximity;overscroll-behavior-x:contain}.route-stop{scroll-snap-align:start}
 button,input,select{touch-action:manipulation}.market-row button{min-height:48px;font-size:11px}
 .weave{width:244px}.weave button{min-height:46px}.water-controls input{height:44px;width:145px}
 .quick-guide{padding:13px 14px}.quick-guide li{font-size:13px}.quick-guide button{width:100%}
 .route-mode button{min-height:48px;line-height:1.5}.header-actions button{min-width:44px;min-height:44px}
 #caravanCanvas{height:220px}dialog{overscroll-behavior:contain}dialog .close-btn{position:sticky;top:0;float:right;z-index:5;background:var(--paper);margin:-10px -4px 0 0;min-height:44px;min-width:44px}
 .dialog-actions{flex-wrap:wrap}.dialog-actions button{min-height:48px}.arcade-secondary button{flex:1;font-size:12px}
}

@media(max-width:520px){.brand small{max-width:155px}.station-tabs button{font-size:14px}.station-footer button{min-width:112px;min-height:48px}.quick-guide p{font-size:12px}.creative-grid button{min-height:44px}}