:root{color-scheme:dark;--ui-bg:#141719;--ui-panel:rgb(25 30 33 / .94);--ui-panel-solid:#191e21;--ui-raised:#242a2e;--ui-border:#4c585e;--ui-border-soft:#343d42;--ui-text:#f1f3f2;--ui-muted:#aeb9bc;--ui-accent:#d6b86f;--ui-accent-ink:#211b0e;--ui-radius:10px;--ui-shadow:0 18px 50px rgb(4 8 10 / .28)}*{box-sizing:border-box}html,body{width:100%;height:100%}body{margin:0;overflow:hidden;font-family:Arial,Microsoft YaHei,sans-serif;background:#e8edf1;color:var(--ui-text);letter-spacing:.005em}[hidden]{display:none!important}canvas{display:block;width:100%;height:100%;touch-action:none}button,input,select{font:inherit}button{border-radius:8px;border:1px solid var(--ui-border);background:var(--ui-raised);color:var(--ui-text);transition:background-color .14s ease,border-color .14s ease,transform 90ms ease}button:hover{background:#30383d;border-color:#76848a}button:active{transform:translateY(1px)}button:disabled,input:disabled{opacity:.38;cursor:default}button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible,canvas:focus-visible{outline:3px solid var(--ui-accent);outline-offset:3px}a{color:#f0d692;text-underline-offset:3px}#stage{position:absolute;inset:0 0 142px}#stage header{position:absolute;left:28px;top:23px;color:#344653;font-size:11px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;padding-left:18px;pointer-events:none}#stage header:before{content:"";position:absolute;left:0;top:50%;width:10px;height:2px;background:#597487;transform:translateY(-50%)}#overlay text{font-family:Arial,Microsoft YaHei,sans-serif;font-size:12px;fill:#24384b;stroke:#eef1f5;stroke-width:3px;paint-order:stroke}#overlay path{stroke:#425f74}#overlay{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}#caption{position:absolute;left:28px;bottom:54px;max-width:min(760px,calc(100% - 56px));padding:11px 15px 10px;border:1px solid rgb(255 255 255 / .14);border-left:3px solid var(--ui-accent);border-radius:var(--ui-radius);background:#14191ce6;box-shadow:var(--ui-shadow);font-size:clamp(19px,1.7vw,27px);font-weight:560;line-height:1.18;text-shadow:none;backdrop-filter:blur(14px);pointer-events:none}#note{position:absolute;left:31px;bottom:20px;max-width:min(940px,calc(100% - 62px));padding:5px 12px;border-radius:6px;background:#14191cdb;color:#c2cbce;font-size:12px;line-height:1.45;box-shadow:0 8px 22px #04080a29;pointer-events:none}#tag{position:absolute;display:none;padding:7px 12px;border:1px solid rgb(255 255 255 / .14);border-left:3px solid var(--ui-accent);border-radius:8px;background:#191e21f0;box-shadow:var(--ui-shadow);font-size:13px;pointer-events:none}#chapter{position:absolute;inset:0;display:none;align-items:center;justify-content:center;flex-direction:column;background:#202629;color:var(--ui-text);font-size:clamp(30px,3vw,48px);font-weight:560;letter-spacing:-.025em;pointer-events:none}#chapter small{color:var(--ui-muted);font-size:13px;letter-spacing:.04em}footer{position:absolute;right:0;bottom:0;left:0;height:142px;padding:15px 24px;background:var(--ui-bg);border-top:1px solid var(--ui-border-soft);box-shadow:0 -14px 36px #0a0e101a}footer button{padding:9px 13px;font-size:12px;white-space:nowrap}#resume{background:var(--ui-accent);border-color:var(--ui-accent);color:var(--ui-accent-ink);font-weight:700}#resume:hover{background:#e2c780;border-color:#e2c780}footer #branches{position:absolute;right:24px;top:15px;gap:7px}#branches{display:none}footer #branches button{padding:9px 11px}footer #status{position:absolute;left:24px;top:59px;margin:0;color:var(--ui-muted);font-size:11px;letter-spacing:.025em}footer #timeline{position:absolute;left:24px;bottom:23px;width:calc(100% - 48px);height:14px;margin:0;accent-color:var(--ui-accent);cursor:pointer}footer #time{position:absolute;right:24px;bottom:5px;color:#b9c3c6;font-size:11px;font-variant-numeric:tabular-nums}#boot{position:fixed;inset:0;z-index:99;display:grid;place-content:center;gap:18px;min-width:280px;padding:32px;background:var(--ui-bg);color:var(--ui-text);text-align:center;font-size:14px;letter-spacing:.04em}#boot:after{content:"";display:block;width:220px;height:2px;margin:0 auto;background:linear-gradient(90deg,transparent 0,var(--ui-accent) 50%,transparent 100%);background-size:50% 100%;background-repeat:no-repeat;animation:boot-scan 1.2s ease-in-out infinite}#boot button{margin:2px auto 0}@keyframes boot-scan{0%{background-position:-50% 0}to{background-position:150% 0}}#inspectionUI,#partCard,#panel{position:absolute;border:1px solid var(--ui-border);border-radius:var(--ui-radius);background:var(--ui-panel);box-shadow:var(--ui-shadow);backdrop-filter:blur(16px)}#inspectionUI{left:24px;top:58px;width:360px;max-width:360px;max-height:calc(100vh - 224px);padding:18px;overflow-y:auto;border-top:3px solid var(--ui-accent)}#contextTitle{margin-bottom:13px;color:var(--ui-text);font-size:18px;font-weight:650;letter-spacing:-.01em}#questionOptions{display:flex;flex-wrap:wrap;gap:7px}#questionOptions button{padding:7px 9px;font-size:12px}#questionOptions button[aria-pressed=true],#viewTools button[aria-pressed=true]{background:var(--ui-accent);border-color:var(--ui-accent);color:var(--ui-accent-ink)}#shortExplain{max-width:630px;margin:14px 0;color:#d9dfe0;font-size:14px;line-height:1.62}#contextActions{display:flex;flex-wrap:wrap;gap:7px}#contextActions button{padding:8px 10px;font-size:12px}#sourceDetail{max-height:210px;margin-top:14px;padding-top:10px;border-top:1px solid var(--ui-border-soft);font-size:12px;line-height:1.65;overflow:auto}#sourceDetail table{width:100%;border-collapse:collapse}#sourceDetail td{padding:6px 7px;border-bottom:1px solid var(--ui-border-soft)}#viewTools{margin-top:14px;padding-top:10px;border-top:1px solid var(--ui-border-soft)}#viewTools button{margin:0 3px 6px 0;padding:7px 9px;font-size:11px}#viewTools label{display:block;margin:11px 0 6px;color:var(--ui-muted);font-size:11px;text-transform:uppercase;letter-spacing:.08em}#partSelect{width:100%;padding:9px;border:1px solid var(--ui-border);border-radius:8px;background:var(--ui-raised);color:var(--ui-text)}#viewNote{color:#e2cb93;font-size:11px;line-height:1.55}#localTimeline{width:100%;accent-color:var(--ui-accent)}#localLabel{display:block;margin-top:14px;color:var(--ui-muted);font-size:11px}#localReplay{margin-top:8px;padding:6px 9px}#partCard{right:24px;top:64px;width:310px;max-height:calc(100vh - 290px);padding:18px;z-index:5;overflow:auto;font-size:12px;line-height:1.6}#partCard h2{margin-top:0;font-size:17px;overflow-wrap:anywhere}#partCard p{margin:9px 0}#partCard small{color:var(--ui-muted);overflow-wrap:anywhere}#partCard button{padding:6px 10px}#panel{right:24px;top:64px;display:none;width:360px;max-height:calc(100vh - 230px);padding:22px;overflow:auto;font-size:13px;line-height:1.72}#panel h2{font-size:19px;font-weight:650;letter-spacing:-.01em}#soilHotspot{position:absolute;z-index:3;border:1px solid var(--ui-accent);background:var(--ui-panel-solid);color:#f2d994;font-size:13px;box-shadow:var(--ui-shadow)}body.inspecting #stage{left:400px}body.inspecting #caption{font-size:20px}body.inspecting #note{max-width:calc(100% - 62px)}body.inspecting footer #timeline,body.inspecting footer #time{visibility:hidden}#mobile{max-width:760px;margin:auto;padding:28px 22px 52px;color:var(--ui-text);line-height:1.65}#mobile img{display:block;width:100%;height:auto;border:1px solid var(--ui-border-soft);border-radius:var(--ui-radius);box-shadow:var(--ui-shadow)}#mobile h1{margin:26px 0 10px;font-size:clamp(32px,9vw,52px);line-height:1;letter-spacing:-.04em}#mobile p{max-width:58ch;color:#c2cbce}body.mobile{overflow:auto;background:var(--ui-bg)}body.mobile>#stage,body.mobile>footer,body.mobile>#inspectionUI,body.mobile>#soilHotspot{display:none!important}@media(max-width:1180px){footer #status{max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}footer #branches button{padding-inline:8px;font-size:11px}}@media(prefers-reduced-motion:reduce){*{scroll-behavior:auto!important;animation:none!important;transition:none!important}}body{--ui-accent:#c6a552;--ui-radius:4px;font-family:Inter,ui-sans-serif,system-ui,-apple-system,Segoe UI,sans-serif;color:#18222c;background:#e7eaed}body #stage,body.inspecting #stage{inset:0}#stage>header,#branches,#status,#viewTools>p:first-child,#viewTools>label{display:none!important}button{cursor:pointer}#shellTop{position:fixed;inset:0 0 auto;height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 32px;z-index:10;pointer-events:auto;border-bottom:1px solid rgba(24,34,44,.12);color:#18222c;background:#eef0f2d1;letter-spacing:.13em;font-size:11px}.brand{font-weight:650;text-decoration:none;color:#18222c;white-space:nowrap}.brand span{font-weight:400;margin-left:12px}#shellTop nav{display:flex;gap:26px;align-items:center}#shellTop button,#topics button{background:none;border:0;border-radius:0;color:#18222c;text-transform:uppercase;font-size:11px;letter-spacing:.13em;padding:12px 0;font-weight:450}#shellTop button[aria-pressed=true],#shellTop button:hover,#topics button:hover{color:#826421}#topics{position:fixed;bottom:24px;right:32px;left:32px;display:flex;justify-content:flex-end;gap:32px;z-index:9;border-top:1px solid rgba(24,34,44,.14);padding-top:7px}#topics button{height:44px;border-bottom:2px solid transparent}#topics button[aria-current=page]{border-bottom-color:#a17d2e;color:#795a17}#narrative{position:absolute;left:32px;bottom:116px;max-width:495px;pointer-events:none;z-index:3}#eyebrow{font-size:11px;letter-spacing:.16em;color:#80611f;margin-bottom:16px}body #caption,body.inspecting #caption{position:static;max-width:none;padding:0;border:0;border-radius:0;background:none;box-shadow:none;backdrop-filter:none;color:#18222c;font-size:36px;line-height:1.12;font-weight:450;letter-spacing:-.035em;text-shadow:0 1px 12px #eef0f2}body #note{position:static;max-width:455px;padding:0;margin-top:15px;border:0;background:none;border-radius:0;box-shadow:none;font-size:14px;line-height:1.6;color:#53616b;text-shadow:0 1px 10px #eef0f2}body[data-mode=inspect] #narrative{max-width:440px;bottom:112px}body[data-mode=inspect] #caption{font-size:30px}body[data-mode=inspect] #note{font-size:12px;max-width:430px}body[data-mode=explore] #narrative{display:none}#questionRail{position:absolute;left:32px;top:24%;width:340px;z-index:5;color:#18222c}.rail-kicker{font-size:10px;letter-spacing:.17em;color:#80611f}#questionRail h2{font-size:29px;line-height:1.2;font-weight:450;letter-spacing:-.025em;margin:20px 0 25px}#questionRail button{display:flex;align-items:center;gap:14px;width:100%;min-height:60px;text-align:left;border:0;border-bottom:1px solid #18222c20;border-radius:0;background:#eef0f29e;color:#27333b;font-size:13px;padding:12px 6px}#questionRail button>span:first-child{color:#846323;font-size:11px;font-variant-numeric:tabular-nums}.rail-arrow{margin-left:auto}#questionRail button:hover{background:#f5f6f7}body #inspectionUI{left:auto;right:26px;top:96px;width:350px;max-width:27vw;max-height:calc(100dvh - 200px);border:1px solid #18222c20;border-radius:5px;padding:22px;background:#f3f5f6f5;box-shadow:0 12px 32px #34455312;backdrop-filter:none;color:#18222c;z-index:6;animation:drawer-in .2s ease-out}.drawer-head{display:flex;align-items:start;gap:12px;border-bottom:1px solid #18222c20;padding-bottom:18px;margin-bottom:16px}body #contextTitle{color:#18222c;font-size:21px;font-weight:450;line-height:1.23;letter-spacing:-.02em;margin:0;flex:1}body #inspectionUI button{color:#35424b;background:transparent;border:0;border-radius:3px;font-size:12px;padding:8px 6px}body #inspectionUI button:hover{background:#18222c0c}body #returnMain{color:#735a26;font-size:11px;padding-top:3px;white-space:nowrap}body #shortExplain{font-size:13px;line-height:1.6;color:#53616b;margin:18px 0}body #questionOptions{gap:12px}body #questionOptions button{border-bottom:2px solid transparent;border-radius:0}body #questionOptions button[aria-pressed=true]{background:transparent;color:#795a17;border-bottom-color:#b2934b}body #partSelect{background:#fff;border:1px solid #18222c25;border-radius:3px;color:#34434d;font-size:12px;padding:10px;margin:6px 0 12px}body #partCard{position:static;width:auto;max-height:none;background:none;border:0;padding:8px 0;box-shadow:none;backdrop-filter:none;color:#53616b;font-size:12px}body #partCard h2{font-size:17px;color:#18222c;font-weight:500}body #partCard strong{color:#18222c;font-weight:500}body #partCard small{display:none}body #partCard a,body #sourceDetail a{color:#795a17}body #contextActions{display:block}body #sourceToggle{display:block;text-decoration:underline;text-underline-offset:4px}body #viewTools{display:flex;flex-wrap:wrap;gap:1px;border-top:1px solid #18222c20;padding-top:14px;margin-top:14px}body #viewTools button{text-transform:uppercase;font-size:10px;letter-spacing:.055em;min-height:38px;padding:7px}body #viewTools button[aria-pressed=true]{background:#26343d;color:#f4f5f6}body #viewNote{font-size:10px;color:#66717a;line-height:1.5;margin-bottom:0}body #localLabel{color:#66717a}body #localControls{margin-bottom:10px}body #sourceDetail{color:#53616b;border-color:#18222c25}#partCallout{position:absolute;z-index:5;max-width:270px;background:#f4f5f6e8;color:#33434f;border:0;border-top:1px solid #967333;border-radius:0;padding:9px 12px;font-size:11px;text-align:left;animation:drawer-in .16s ease-out}#partCallout:before{content:"";position:absolute;right:100%;top:0;width:32px;border-top:1px solid #967333;transform:rotate(-30deg);transform-origin:right}body #overlay text{fill:#435560;stroke:none;font-family:inherit;font-size:11px}body #overlay path{stroke-width:1px;stroke:#927433}body #guideControls{position:fixed;left:auto;right:32px;bottom:100px;width:470px;height:70px;border:1px solid #18222c1c;border-radius:4px;background:#f2f4f5ed;color:#18222c;padding:10px 14px;box-shadow:none;z-index:7}body #guideControls button{border:0;background:none;color:#394954;font-size:11px;padding:5px 9px;font-weight:400}body #guideControls #exitGuide{float:right;color:#795a17}body #guideControls #timeline{left:20px;bottom:14px;width:calc(100% - 120px);height:3px;accent-color:#a58438}body #guideControls #time{bottom:8px;right:14px;font-size:9px;color:#53616b}body #chapter{background:#e7eaed;color:#18222c;font-weight:400}body #chapter small{color:#53616b}body #panel{background:#f4f5f6;color:#34434d;box-shadow:0 12px 32px #34455320;backdrop-filter:none;z-index:12;border:1px solid #18222c20;top:85px;right:26px;max-width:27vw}body #panel button{color:#34434d;background:#e3e7e9}body.mobile{background:#e7eaed;color:#18222c}body.mobile #mobile{color:#18222c}body.mobile #mobile p{color:#53616b}body.mobile #mobile a{color:#795a17}@keyframes drawer-in{0%{opacity:0;transform:translate(14px)}to{opacity:1;transform:translate(0)}}@media(max-width:1100px){.brand span{display:none}#topics{gap:20px}#shellTop nav{gap:20px}body #inspectionUI{width:300px;max-width:28vw;padding:16px}body #caption{font-size:30px}#narrative{max-width:390px}}@media(prefers-reduced-motion:reduce){*{animation:none!important;transition:none!important}}