*{box-sizing:border-box}body{margin:0;background:#101b26;color:#eaf3f7;font:14px/1.6 'Segoe UI','Microsoft YaHei',sans-serif;overflow:hidden}canvas{position:fixed;inset:0;width:100%;height:100%}header{position:absolute;left:28px;right:28px;top:22px;display:flex;align-items:center;gap:12px}.brand{display:flex;align-items:center;gap:12px;font-size:25px;color:#6df1c4}.brand b{color:white;font-size:21px}.brand span{font-size:10px;letter-spacing:2px;color:#8fa9b7;margin-left:8px}.tag{margin-left:auto;color:#acc0ca;font-size:12px}button{font:inherit;cursor:pointer;color:#eaf3f7;border:1px solid #476071;background:#213442;border-radius:8px;padding:10px 15px}button:hover{background:#355365;border-color:#6df1c4}aside{position:absolute;top:104px;left:28px;width:270px;background:#12222beF;border:1px solid #35515d;border-radius:14px;padding:23px;box-shadow:0 20px 60px #0003}.eyebrow{color:#73e7c2;letter-spacing:2px;font-size:10px;font-weight:700}h1{font-size:23px;line-height:1.4;margin:12px 0}aside p{color:#a9bfcb;font-size:13px}.status{display:flex;justify-content:space-between;border-top:1px solid #334651;padding-top:18px;margin-top:20px}.status strong{color:#71e8bc}.task{padding:10px 0;color:#a2b4bf;font-size:13px}.task.done{color:#75ecc4}.tip{background:#213540;padding:12px;border-radius:8px;margin-top:15px}.tip small{color:#7ee0c5}.tip p{margin:6px 0 0}.legend{font-size:11px;color:#8da6b5;margin-top:18px;line-height:2}.legend i{width:7px;height:7px;display:inline-block;border-radius:50%;margin-right:8px}.green{background:#63e4aa}.orange{background:#ff964e}.blue{background:#63cfff}#location{position:absolute;top:99px;right:30px;background:#142732de;border:1px solid #476070;padding:8px 16px;border-radius:20px;color:#93dbc5}#hint{position:absolute;bottom:90px;left:50%;transform:translateX(-30%);background:#132732eb;border:1px solid #4b7c83;border-radius:10px;padding:13px 24px;max-width:60%;text-align:center}footer{position:absolute;bottom:22px;left:28px;right:28px;display:flex;gap:25px;align-items:center;color:#a3bac6;font-size:12px}kbd{display:inline-block;background:#2c414e;padding:4px 7px;border-radius:4px;color:white;margin-right:5px}#posture{margin-left:auto;color:#78e8c0}.overlay{position:absolute;inset:0;background:#06131ac4;backdrop-filter:blur(7px);display:flex;justify-content:center;align-items:center}.overlay.hidden{display:none}.overlay section{width:min(580px,92vw);padding:34px;background:#172b37;border:1px solid #52717f;border-radius:18px;box-shadow:0 25px 120px #0008;max-height:90vh;overflow:auto}h2{font-size:28px;line-height:1.4;margin:13px 0}#modalText{white-space:pre-line;color:#b7cbd5;line-height:1.9}#choices{display:grid;gap:10px;margin-top:22px}#choices button{text-align:left;padding:13px 17px}#choices button.primary{background:#75e9c3;color:#10292e;font-weight:700;border:0}#feedback{color:#ffc08f;margin-top:15px;white-space:pre-line}a{color:#7be8c7}#touch{display:none;position:absolute;right:20px;bottom:90px;text-align:center;touch-action:none}#touch button{min-width:46px;padding:10px;touch-action:none}@media(pointer:coarse){#touch{display:block}}@media(max-width:800px){aside{width:205px;left:12px;top:85px;padding:14px}.legend,.brand span,.tag,footer span:nth-child(4){display:none}header{left:12px;right:12px;top:14px;gap:6px}.brand{font-size:18px}.brand b{font-size:18px}header button{font-size:11px;padding:8px}h1{font-size:18px}.tip{display:none}footer{left:12px;gap:8px;font-size:10px}#hint{left:40%;font-size:12px;bottom:75px;padding:8px;transform:none}#location{top:82px;right:12px;font-size:11px}}
button:focus-visible{outline:3px solid #ffe29c;outline-offset:3px;background:#355365}#choices button:focus{outline:3px solid #ffe29c;outline-offset:3px}.keyboard-guide{font-size:12px;color:#90b9c5;border-top:1px solid #35515d;padding-top:14px;margin-bottom:0}canvas:focus{outline:none}footer{flex-wrap:wrap;gap:14px}
@media(max-width:950px){aside{top:65px;left:12px;width:175px;padding:8px 12px;pointer-events:none}aside .eyebrow,aside h1,aside>p,aside .tip,aside .legend,#tasks{display:none}.status{margin:0;padding:0;border:0}#location{top:65px;right:12px;font-size:11px;padding:5px 10px}footer>span:not(#posture){display:none}footer{bottom:8px;left:12px;right:12px}#posture{margin:0;font-size:11px}#hint{left:12px;bottom:38px;transform:none;max-width:calc(100% - 205px);padding:7px 10px;font-size:11px}#touch{right:12px;bottom:35px}#touch button{background:#173b4bdf;border-color:#6c98a8;margin:2px;min-height:44px}header{top:10px;left:12px;right:12px}.brand span,.tag{display:none}header button{font-size:11px;padding:7px}.brand b{font-size:17px}.overlay section{padding:18px;max-height:94dvh}.overlay h2{font-size:21px}.keyboard-guide{display:none}#modalText{font-size:13px;line-height:1.6}#choices{margin-top:12px;gap:7px}}
.phone-guide{display:none}#touch button{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}#touch button.pressed{background:#79e9c4;color:#10292e}#touch{z-index:5}.overlay{z-index:20}header{z-index:6}
@media(max-width:1100px),(any-pointer:coarse){#touch{display:block}.phone-guide{display:block;color:#91f0d0;font-size:14px}.overlay section{display:flex;flex-direction:column;max-height:92vh;max-height:92dvh;overflow-y:auto}.overlay section>.eyebrow{order:0}.overlay h2{order:1}.phone-guide{order:2}#choices{order:3;flex-shrink:0}#feedback{order:4}#modalText{order:5}.keyboard-guide{order:6;display:none}#touch button{min-width:52px;min-height:48px}#touch{bottom:max(28px,env(safe-area-inset-bottom));right:12px}#world{touch-action:none}#hint{pointer-events:none}footer{pointer-events:none}}
/* Calm training-console finish; retain high contrast for projection and phones. */
header{padding:12px 18px;top:14px;left:18px;right:18px;border:1px solid #49626c66;border-radius:15px;background:linear-gradient(120deg,#102730f2,#193842e8);box-shadow:0 8px 28px #071a2433}.brand b{letter-spacing:2px}.brand span{color:#9dbabf}aside{background:linear-gradient(155deg,#17313bef,#10242deb);border-color:#47666b;border-radius:18px}.task{border-bottom:1px solid #52716b22}button{transition:background .15s,box-shadow .15s;border-radius:10px}#choices button{border-color:#42636e;background:#203e4b}#choices button.primary{background:linear-gradient(120deg,#88edcc,#53c8b6);color:#0b3031}.overlay{background:#071923bb}.overlay section{border-radius:22px;background:linear-gradient(145deg,#1d3a46,#132b37);box-shadow:0 25px 100px #0006}#equipment{position:absolute;right:30px;top:147px;padding:7px 13px;border:1px solid #58796a55;border-radius:10px;color:#baded0;background:#15342de6;font-size:12px;pointer-events:none}#location{background:#194339db;border-color:#507c69}#touch button{border-radius:13px;box-shadow:0 3px 0 #081b25aa}#touchE{background:#297b70!important;font-weight:700}#touchRun{border-color:#c99c59!important;color:#ffe1a7}#hint{box-shadow:0 5px 20px #06182466}
@media(max-width:950px){header{padding:7px 9px;top:8px;left:8px;right:8px}.brand{gap:6px}.brand b{font-size:15px;letter-spacing:1px}header button{padding:7px 8px;font-size:10px}aside{top:66px;border-radius:10px;width:150px;left:8px}#location{top:65px;right:8px}#equipment{top:101px;left:8px;right:auto;font-size:10px;padding:5px 9px}#hint{background:#102d39ed;max-width:calc(100% - 208px);bottom:44px}#touch{right:10px;bottom:32px}.overlay section{padding:20px 18px}#choices button{min-height:49px;line-height:1.6}}
[hidden]{display:none!important}