@font-face{font-family:Orbita;src:local(Bahnschrift);font-display:swap}:root{color:#eeeae1;--gold:#d8c69c;--muted:#91a2b8;--line:#9eb4cc30;background:#030811;font-family:Microsoft YaHei UI,Microsoft YaHei,sans-serif}*{box-sizing:border-box}body{margin:0;overflow:hidden}button,a,select{-webkit-tap-highlight-color:transparent}button,a{color:inherit}button{font:inherit;cursor:pointer;background:0 0;border:0}a{text-decoration:none}button:focus-visible,a:focus-visible{outline-offset:5px;outline:2px solid #a8d6e9}[hidden]{display:none!important}#stage,.shade{position:fixed;inset:0}#stage canvas{touch-action:none;display:block}.shade{pointer-events:none;background:linear-gradient(90deg,#03081188,#0000 40%),linear-gradient(#0000 75%,#030811cf)}header{z-index:3;justify-content:space-between;align-items:center;display:flex;position:fixed;top:30px;left:38px;right:38px}.brand{letter-spacing:6px;align-items:center;gap:16px;font:23px Orbita,sans-serif;display:flex}.brand svg{width:40px;height:40px;stroke:var(--gold);fill:none;stroke-width:1.2px}.brand circle{fill:var(--gold);stroke:none}.head-actions{align-items:center;gap:16px;display:flex}.quiet-link{color:#a1b0c2;margin-right:14px;font-size:11px}.head-actions button,#home,#about{border:1px solid var(--line);color:#a6b4c6;border-radius:50%;width:34px;height:34px;font-size:18px}.story{pointer-events:none;max-width:310px;position:fixed;top:35%;left:6vw}.story h1{letter-spacing:9px;text-wrap:balance;margin:0 0 24px;font:64px/1.25 SimSun,serif}.story p{color:#b1c1d1;max-width:270px;margin:0;font-size:12px;line-height:1.9}.story button{pointer-events:auto;border:1px solid var(--line);color:#c9d5e0;border-radius:20px;padding:9px 15px;font-size:11px}#earth-tools{gap:10px;margin-top:25px;display:flex}#china[aria-pressed=true]{color:var(--gold);border-color:#d8c69c60}.context{pointer-events:none;flex-direction:column;gap:9px;display:flex;position:fixed;bottom:204px;left:6vw}.context span{letter-spacing:1px;color:#b2c0cc;font-size:10px}.context small{color:#71869d;font-size:9px}#levels{border-top:1px solid var(--line);white-space:nowrap;align-items:center;gap:6px;max-width:90vw;padding-top:19px;display:flex;position:fixed;bottom:43px;left:50%;transform:translate(-50%)}#levels button{color:#7f93ac;border-radius:4px;padding:9px 14px;font-size:11px;position:relative}#levels button[aria-current=true]{color:var(--gold)}#levels button[aria-current=true]:before{content:"";background:var(--gold);height:2px;position:absolute;top:-20px;left:35%;right:35%}button:hover,a:hover{color:#fff}.controls{-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);white-space:nowrap;background:#08111c88;border:1px solid #adc6df16;border-radius:32px;align-items:center;gap:12px;padding:9px 13px;display:flex;position:fixed;bottom:115px;left:50%;transform:translate(-50%)}.controls button{color:#adbacb;min-width:30px;padding:8px;font-size:11px}.controls 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var(--line);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);background:#07111de8;border-radius:13px;width:min(600px,90vw);padding:17px 21px;position:fixed;bottom:193px;left:50%;transform:translate(-50%)}.anatomy-top{color:#8297ad;align-items:center;gap:15px;font-size:10px;display:flex}.anatomy-top span{margin-right:auto}.anatomy-top button{color:#d5c39d;font-size:11px}#layers{gap:8px;margin:13px 0;display:flex}#layers button{border-bottom:2px solid var(--layer);color:#99a6b5;flex:1;padding:9px;font-size:12px}#layers button[aria-pressed=true]{color:#eee1c7;background:#ffffff09}.layer-copy{color:#aebccc;align-items:center;gap:10px;font-size:11px;display:flex}.layer-copy strong{display:none}.layer-copy span{flex:1}.layer-copy button{color:var(--gold);white-space:nowrap;font-size:10px}body.inside #levels{visibility:hidden}body.inside .context{display:none}body.inside .story{top:23%}body.inside .story h1{font-size:42px}body.inside .story p{display:none}.hand-panel{border:1px solid var(--line);z-index:5;background:#091524ed;border-radius:9px;width:170px;position:fixed;top:100px;right:28px;overflow:hidden}.camera-heading{color:#b6d8c9;justify-content:space-between;padding:10px;font-size:10px;display:flex}.camera-heading button{font-size:17px}.video-wrap{aspect-ratio:4/3;background:#000;position:relative}.video-wrap video{object-fit:contain;width:100%;height:100%;transform:scaleX(-1)}#hand-overlay{width:100%;height:100%;position:absolute;inset:0}#hand-status{padding:10px;font-size:10px}.hand-panel small{color:#6f849d;padding:0 10px 10px;font-size:9px;display:block}#notice{z-index:10;background:#16273aeb;border-radius:7px;max-width:85vw;padding:10px 16px;font-size:12px;position:fixed;top:95px;left:50%;transform:translate(-50%)}#notice:empty{display:none}#retry-assets{color:#e4c28d;font-size:11px;position:fixed;bottom:190px;right:25px}#loading{z-index:20;background:#030811;flex-direction:column;justify-content:center;align-items:center;gap:22px;display:flex;position:fixed;inset:0}#loading span{letter-spacing:8px;font:23px Orbita,sans-serif}#loading small{color:#879ab1;font-size:11px}.loading-ring{border:1px solid var(--gold);border-radius:50%;width:80px;height:35px;transform:rotate(-30deg)}dialog{color:#b6c5d6;border:1px solid var(--line);background:#0b1625;border-radius:16px;width:min(580px,90vw);max-height:82vh;padding:36px;font-size:12px;line-height:1.95}dialog::backdrop{-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px);background:#0009}dialog h2{color:#e9d3ab;margin-top:0;font-size:23px;font-weight:400}dialog h3{color:#dce4ed;font-size:14px}dialog a{color:var(--gold);text-decoration:underline}#close-dialog{font-size:24px;position:absolute;top:10px;right:16px}@media (width<=900px){.story{max-width:210px;left:5vw}.story h1{font-size:45px}.context{left:5vw}#levels{gap:0}#levels button{padding:9px}.quiet-link{margin-right:0}}@media (width<=699px){header{top:20px;left:20px;right:20px}.brand{letter-spacing:4px;gap:9px;font-size:18px}.brand svg{width:30px;height:30px}.head-actions{gap:8px}.head-actions button{width:29px;height:29px}.quiet-link{font-size:9px}.story{max-width:85vw;top:auto;bottom:223px;left:24px}.story h1{letter-spacing:5px;margin-bottom:10px;font-size:35px}.story p{max-width:85vw;font-size:10px}#earth-tools{gap:8px;margin-top:13px}.story button{padding:6px 12px;font-size:10px}.context{gap:5px;bottom:180px;left:24px}.context span,.context small{font-size:8px}#levels{scrollbar-width:none;justify-content:flex-start;width:calc(100% - 34px);max-width:none;padding-top:12px;bottom:32px;overflow:auto}#levels button{flex-shrink:0;padding:8px 10px;font-size:9px}#levels button[aria-current=true]:before{top:-13px}.controls{gap:3px;max-width:95vw;padding:6px;bottom:97px}.controls .primary{margin-right:0;padding:11px 13px;font-size:11px}.primary span{margin-left:5px}.controls button{min-width:25px;padding:7px;font-size:10px}#about{bottom:4px;right:8px}.hand-panel{width:125px;top:78px;right:15px}body.inside .story{top:93px;bottom:auto}body.inside .story h1{font-size:29px}#anatomy{padding:12px 14px;bottom:165px}.layer-copy{font-size:10px}.layer-copy button{font-size:9px}#layers{margin:8px 0}.anatomy-top{font-size:9px}#retry-assets{font-size:9px;bottom:153px;right:20px}}@media (height<=650px) and (width>=700px){.story{top:25%}.story h1{font-size:40px}.context{bottom:180px}#anatomy{width:500px;padding:10px 15px;bottom:175px}body.inside .story{top:24%}#layers{margin:6px 0}}@media (prefers-reduced-motion:reduce){*{transition:none!important}}:is(body:has([data-level="3"][aria-current=true]) .story h1,body:has([data-level="6"][aria-current=true]) .story h1){letter-spacing:4px;font-size:40px}@media (width<=699px){:is(body:has([data-level="3"][aria-current=true]) .story h1,body:has([data-level="6"][aria-current=true]) .story h1){letter-spacing:3px;font-size:30px}}.brand{letter-spacing:7px;font-size:19px}.shade{background:linear-gradient(#0000 85%,#03081170)}.controls{gap:12px;padding:7px 10px;bottom:30px}.controls .primary{margin-right:0;padding:11px 18px}.place{pointer-events:none;letter-spacing:3px;color:#a6b7ca;font-size:12px;position:fixed;bottom:48px;left:38px}.anchor{background:#03081170;font-size:10px}.anchor.home{background:#0b142a80;border:0}.setting-row{border-bottom:1px solid #ffffff12;justify-content:space-between;align-items:center;padding:13px 0;display:flex}.setting-row button{color:var(--gold);border:1px solid var(--line);border-radius:20px;padding:6px 15px}.setting-links{gap:24px;margin:24px 0;display:flex}dialog small{color:#7890a8;font-size:10px}.hint{color:#91a2b8;margin-top:25px}dialog{width:min(430px,90vw)}#retry-assets{bottom:95px}#loading{pointer-events:none}.anchor.planet-link{pointer-events:auto;cursor:pointer;border:0;font-family:inherit}.anchor.planet-link:hover{color:#fff;background:#314662;box-shadow:0 0 14px #72a6d944}#planet-picker{border:1px solid var(--line);-webkit-backdrop-filter:blur(15px);backdrop-filter:blur(15px);z-index:4;background:#0b1727e8;border-radius:15px;grid-template-columns:repeat(4,1fr);gap:5px;width:300px;padding:10px;display:grid;position:fixed;bottom:104px;left:50%;transform:translate(-50%)}#planet-picker button{color:#bbcedd;border-radius:7px;padding:12px 9px;font-size:12px}#planet-picker button:hover,#planet-picker button[aria-pressed=true]{color:#ead7b1;background:#42648844}.controls #return-planets{color:var(--gold)}@media (width<=699px){header{top:24px}.brand{font-size:16px}.controls{gap:8px;bottom:28px}.place{font-size:11px;bottom:103px;left:24px}.controls button{min-width:30px}.controls .primary{font-size:11px}.head-actions{gap:10px}}.controls #rotation-speed{font:inherit;color:#c0ccda;border:1px solid var(--line);cursor:pointer;background:#101d2d;border-radius:14px;width:57px;padding:6px 3px;font-size:11px}.controls #rotation-speed:focus-visible{outline:2px solid #a8d6e9}@media (width<=699px){.controls{gap:2px}.controls #rotation-speed{width:49px;font-size:10px}.controls button{min-width:25px}.controls .primary{padding:11px 10px}}.controls #labels[aria-pressed=true]{color:var(--gold);background:#42648844;border-radius:12px}@media (width<=380px){.controls{gap:0;padding:7px 5px}.controls .primary{padding:11px 7px}.controls button{padding-left:6px;padding-right:6px}}