:root{--cream:#eee2c9;--gold:#ccb17d;--accent:#e9ad76;--line:#c9ad7733;--muted:#a79e87;--panel:#171b17e8}*{box-sizing:border-box}html,body{width:100%;height:100%;margin:0;overflow:hidden;overscroll-behavior:none}body{font-family:'Microsoft YaHei','PingFang SC',sans-serif;background:#111712;color:var(--cream)}button,input{font:inherit}button{cursor:pointer;color:inherit}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid #f3ca8c;outline-offset:4px}button,a,input{touch-action:manipulation}button{border:0}a{color:inherit;text-decoration:none}[hidden]{display:none!important}#render-root,.vignette,#transition-veil{position:fixed;inset:0}#render-root canvas{display:block;width:100%;height:100%;touch-action:none}.vignette{background:linear-gradient(90deg,#0b140fe0,transparent 46%,#0c150c22),linear-gradient(0deg,#0b120bd9,transparent 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.feedback{grid-column:2;grid-row:2;font-size:8px!important;line-height:1.8;min-height:0!important;border:0;padding:8px 0;margin:3px 0}.task-buttons{grid-column:2;grid-row:3;flex-direction:row;gap:5px;align-self:end}.task-buttons button{font-size:8px;padding:9px 5px;gap:3px}.minor{grid-column:1;grid-row:3;font-size:7px;margin:9px 0 0}.control-label{font-size:8px;margin-top:7px}input[type=range]{margin:8px 0}.check{font-size:8px;margin-top:4px;gap:5px}.check input{margin:0}.keyboard-tip{font-size:6px;line-height:1.5;margin:4px 0}.drive-buttons{margin-top:7px;gap:3px;grid-template-columns:repeat(3,30px);justify-content:center}.drive-buttons button{padding:4px;font-size:13px}.live-hud{left:auto;right:5%;top:4%;bottom:auto;display:flex;flex-direction:column;gap:10px;padding:0 0 0 12px;background:none;border-left:1px solid var(--line);backdrop-filter:none}.live-hud span{font-size:6px}.live-hud b{font-size:17px;margin-top:3px}.live-hud b small{font-size:6px}.live-hud>div{min-width:45px}.evidence-list{margin:7px 0;gap:2px}.evidence-list span{font-size:6px;padding:6px 0}.mode-pills{margin-top:7px;gap:3px}.mode-pills button{padding:7px 1px;font-size:7px}.success{top:23%;width:76%;padding:20px}.success h2{font-size:23px}.success>p{font-size:9px}.success>p:first-child{font-size:7px}.success button{margin-top:10px;padding:10px;font-size:9px}.people-grid{grid-template-columns:1fr}.people-grid article{padding:20px}dialog{padding:28px 22px;max-height:82dvh}dialog h2{font-size:27px}.quote{font-size:19px!important}.report-grid div{padding:15px;font-size:11px}}@media(max-height:690px) and (max-width:760px){.home-copy{top:3%}.home-copy h1{font-size:38px}.pillars{margin:12px 0}.home-lead{font-size:10px}.disclaimer{display:none}.home-copy .eyebrow{margin-bottom:10px}.object-label{display:none}.instrument{bottom:16px}.mission-copy h1{font-size:24px}.success{top:15%;padding:14px}.success h2{font-size:20px}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation:none!important;transition:none!important}}
/* Compact landing attitude controls; keep the scene centered. */
body[data-chapter="landing"] .drive-buttons{display:flex;justify-content:center;gap:8px}body[data-chapter="landing"] .drive-buttons button{width:52px}
@media(max-width:760px){body[data-chapter="landing"] .drive-buttons button{width:38px}.volume{display:none}}
.top-right .volume input{width:65px;margin:0}
/* Scene-first feedback, clear waveforms, and analogue movement. */
.stage-event{position:absolute;z-index:4;left:50%;top:18%;transform:translateX(-50%);width:min(420px,40%);padding:18px 22px;text-align:center;border:1px solid #e3c582a6;border-radius:5px;background:linear-gradient(135deg,#183d30f5,#112920f5);box-shadow:0 10px 55px #0007,0 0 30px #d3bc6330;pointer-events:none}.stage-event-icon{display:grid;place-items:center;width:34px;height:34px;margin:0 auto 10px;border:1px solid #e4d096;border-radius:50%;color:#f3dda8;font-size:22px;background:#b6a45d28}.stage-event strong{display:block;font:22px/1.6 SimSun,serif;color:#fff0c5}.stage-event small{display:block;margin-top:7px;color:#c3d3bb;font-size:11px;line-height:1.6}.stage-event.reveal{animation:stage-event-in .35s ease-out both}.joystick.engaged{border-color:#f5d390;box-shadow:inset 0 0 24px #0007,0 0 22px #d8b96145}.joystick:focus-visible{outline:2px solid #f3ca8c;outline-offset:4px}@keyframes stage-event-in{from{opacity:0;translate:0 10px}to{opacity:1;translate:0 0}}
.joystick{width:118px;height:118px;margin:15px auto 0;border:1px solid #d3bc7d77;border-radius:50%;position:relative;background:radial-gradient(circle,#354b3c 0 29%,#1a3029 30% 58%,#a78a4822 59% 61%,#14231c 62%);touch-action:none;user-select:none;box-shadow:inset 0 0 24px #0007,0 0 15px #c2ac5a12;cursor:grab}.joystick:active{cursor:grabbing}.joystick:before,.joystick:after{content:'';position:absolute;background:#d3bc7d30}.joystick:before{left:50%;top:8%;width:1px;height:84%}.joystick:after{top:50%;left:8%;height:1px;width:84%}.joystick-knob{position:absolute;left:calc(50% - 20px);top:calc(50% - 20px);width:40px;height:40px;border-radius:50%;background:radial-gradient(circle at 32% 25%,#e1c58b,#8e7544 65%,#544729);border:1px solid #e1ce97;box-shadow:0 5px 12px #0008;z-index:2;pointer-events:none}.joystick-label{position:absolute;font-size:8px;color:#d3c395;pointer-events:none}.joystick-label.up{left:43%;top:5px}.joystick-label.down{left:43%;bottom:5px}.joystick-label.left{left:6px;top:46%}.joystick-label.right{right:6px;top:46%}.scan-guide{position:absolute;left:29%;top:0;width:36%;max-width:440px;padding:16px 20px;background:#12251ce8;backdrop-filter:blur(10px);border-left:2px solid #cbb47a;pointer-events:auto}.scan-guide small{font-size:8px;letter-spacing:2px;color:#d6c39a}.scan-guide h3{font:21px SimSun,serif;margin:10px 0;color:#f6e7bc}.scan-guide p{font-size:10px;line-height:1.7;color:#bdc9af;margin:7px 0}.scan-guide>div{display:flex;justify-content:space-between;gap:10px;font-size:9px;color:#d7bd84}.scan-guide button{font-size:9px;padding:8px 11px;margin-top:11px}.wave-scope{position:absolute;left:31%;bottom:0;width:39%;height:130px;border:1px solid #91d6e377;border-radius:4px;box-shadow:0 0 35px #71c7e81a;pointer-events:none}.success{top:auto!important;bottom:28px;left:50%;width:40%;padding:14px 20px;background:#10291de8;box-shadow:0 0 40px #cbb5782b}.success h2{font-size:21px;margin:8px 0}.success>p{font-size:9px;line-height:1.7;margin:7px 0}.success button{margin-top:8px;padding:9px 14px;font-size:9px}body[data-chapter=signal] .success{bottom:155px}body[data-chapter=scan] .success{bottom:24px}body[data-chapter=signal] .vignette{background:linear-gradient(90deg,#07111fe6,transparent 36%,#07132622),linear-gradient(0deg,#07111cdd,transparent 35%,#050d1d88)}
@media(max-width:1100px) and (min-width:761px){.scan-guide{left:28%;width:42%;top:0;padding:13px}.scan-guide h3{font-size:18px}.wave-scope{left:29%;width:42%;height:105px}.success{left:47%;width:37%;padding:12px}.success h2{font-size:18px}}
@media(max-width:760px){.joystick{width:88px;height:88px;margin-top:7px}.joystick-knob{width:30px;height:30px;left:calc(50% - 15px);top:calc(50% - 15px)}.joystick-label{font-size:6px}.joystick-label.up,.joystick-label.down{left:41%}.scan-guide{left:5%;right:24%;width:auto;top:110px;padding:10px 12px;max-width:none}.scan-guide small{font-size:6px}.scan-guide h3{font-size:16px;margin:6px 0}.scan-guide p{font-size:8px;margin:5px 0}.scan-guide>div{font-size:7px;flex-wrap:wrap;gap:5px}.scan-guide button{font-size:8px;padding:7px 9px;margin-top:8px}.wave-scope{left:5%;width:90%;height:85px;bottom:260px}.success{bottom:205px!important;width:80%;padding:12px 16px}.success h2{font-size:20px}.success>p:first-child{font-size:7px}.success>p{font-size:8px}body[data-chapter=scan] .success{bottom:240px!important}body[data-chapter=signal] .success{bottom:355px!important}body[data-chapter=drive] .instrument{min-height:220px}.scan-guide:has(~ .stage-bottom){z-index:1}body[data-chapter=scan] #success:not([hidden])~.stage-bottom{opacity:.6}}
@media(max-height:700px) and (max-width:760px){.scan-guide{top:95px;left:5%;right:25%;padding:7px 10px}.scan-guide p{display:none}.scan-guide h3{font-size:14px}.wave-scope{bottom:230px;height:70px}.success{bottom:190px!important}.success>p:not(:first-child){display:none}body[data-chapter=signal] .success{bottom:310px!important}body[data-chapter=scan] .success{bottom:220px!important}}
/* Keep in-scene results above the mobile controller instead of covering it. */
@media(max-width:760px){.wave-scope{top:165px;bottom:auto;width:68%;height:72px;left:5%}#success:not([hidden])~#wave-scope{display:none}}
@media(max-width:760px){.stage-event{top:115px;left:43%;width:72%;padding:11px 13px}.stage-event-icon{width:26px;height:26px;font-size:17px;margin-bottom:6px}.stage-event strong{font-size:17px}.stage-event small{font-size:9px;margin-top:4px}.success,body[data-chapter=scan] .success,body[data-chapter=signal] .success{top:115px!important;bottom:auto!important;left:43%;width:74%;padding:12px}.success h2{font-size:19px;line-height:1.5;margin:7px 0}.success>p:not(:first-child){display:none}.success>p:first-child{font-size:6px;letter-spacing:1px}.success button{font-size:9px;padding:9px 12px;margin:8px auto 0}}
@media(max-width:760px) and (max-height:700px){.stage-event{top:105px;padding:9px 12px}.stage-event-icon{display:none}.stage-event strong{font-size:16px}.success,body[data-chapter=scan] .success,body[data-chapter=signal] .success{top:100px!important;padding:9px 10px}.success h2{font-size:17px;margin:5px 0}.success button{padding:7px 10px;margin-top:6px}.wave-scope{bottom:205px;height:60px}}
/* Round two: recording affordance and continuous observation in the playfield. */
#collect{min-height:46px;font-size:13px;font-weight:600;letter-spacing:1px;transition:background .2s,box-shadow .2s,border-color .2s}#collect:disabled{opacity:1;color:#999a85;border-color:#a89f6744;background:#20291e}#collect.ready:not(:disabled){background:linear-gradient(120deg,#d1ab52,#9f7130);color:#fff8dc;border:2px solid #ffe2a0;box-shadow:0 0 0 3px #ebc36b22,0 0 22px #f4ba5366;text-shadow:0 1px 2px #54310a;animation:record-ready 1.6s ease-in-out infinite}#collect.ready:not(:disabled):hover{background:#d4a54d;box-shadow:0 0 28px #f7c86ba8}#collect.ready:not(:disabled):before{content:'●';margin-right:8px;color:#fff3bd}.scan-step-label{padding:12px 0 4px;font-size:12px;color:#f5d79a}.scan-guide .observation-status{margin-top:13px;display:flex;justify-content:space-between;gap:8px;font-size:11px;color:#e9d7a8}.observation-status b{font-variant-numeric:tabular-nums;white-space:nowrap}.observation-progress{display:block!important;height:10px;margin-top:9px;background:#080e0d;border:1px solid #c9b47766;overflow:hidden;border-radius:5px}.observation-progress>div{height:100%;width:0;background:linear-gradient(90deg,#71bc9d,#efd18d);box-shadow:0 0 12px #d5c38188}.observation-progress.observing{border-color:#e4d5a0}.scan-guide{z-index:2}@keyframes record-ready{50%{box-shadow:0 0 0 5px #ebc36b17,0 0 30px #f4ba5399}}@media(max-width:760px){#collect{font-size:11px;min-height:44px;padding:10px 5px;letter-spacing:0}.scan-step-label{font-size:10px;padding:7px 0 2px}.scan-guide .observation-status{font-size:9px;flex-wrap:wrap;margin-top:8px}.observation-progress{height:9px}.scan-guide{right:23%}.scan-guide>p{display:none}}@media(prefers-reduced-motion:reduce){#collect.ready:not(:disabled){animation:none}}
@media(max-width:760px) and (max-height:700px){.scan-guide{top:90px;padding:7px 10px}.scan-guide h3{font-size:13px;margin:3px 0}.scan-guide>small{font-size:5px;letter-spacing:1px}.scan-guide>div:not(.observation-status):not(.observation-progress){font-size:6px;gap:2px}.scan-guide .observation-status{font-size:8px;margin-top:5px;gap:3px}.observation-progress{height:7px;margin-top:5px}.scan-guide>p{display:none}}
/* Science-station action: an unmistakable primary action when ready. */
#collect.ready:not(:disabled){color:#261807;background:linear-gradient(115deg,#ffe6a1,#e7b852);border-color:#fff0c1;text-shadow:none;font-size:14px;font-weight:700;min-height:50px}
#collect.ready:not(:disabled):before{content:'↓';color:#392408;font-size:17px;font-weight:700}
#collect.ready:not(:disabled):hover{background:linear-gradient(115deg,#fff2c7,#f4c96c);color:#1c1206}
#collect.ready:not(:disabled):focus-visible{outline:3px solid #fff5cc;outline-offset:4px}
@media(max-width:760px){#collect.ready:not(:disabled){font-size:12px;min-height:48px;padding:10px 4px}#collect.ready:not(:disabled):before{font-size:14px;margin-right:4px}}
/* Personal expedition journal. Scoped to avoid inheriting the fixed site header. */
.expedition .eyebrow{font-size:10px;margin-bottom:16px}.archive-hero{display:flex;justify-content:space-between;align-items:center;gap:20px}.archive-hero h2{font-size:38px;margin:0}.archive-seal{flex-shrink:0;width:120px;height:120px;border:1px solid #cbb17d;border-radius:50%;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:inset 0 0 0 7px #cbb17d12;color:#f0d797}.archive-seal b{font:32px serif}.archive-seal span{font-size:10px;margin-top:9px;letter-spacing:3px}.archive-progress{height:5px;background:#39402e;margin:20px 0 12px;border-radius:4px;overflow:hidden}.archive-progress i{display:block;height:100%;background:linear-gradient(90deg,#7aa48b,#e0c382)}.expedition .archive-disclaimer{font-size:10px;color:#aeb29b}.archive-journey{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin:25px 0}.archive-chapter{min-width:0;padding:22px;border:1px solid #a69d5533;background:#22302677}.archive-chapter.earned{border-color:#cbb17d88;background:linear-gradient(135deg,#384632,#1d3027)}.archive-chapter header{position:static;inset:auto;padding:0;z-index:auto;border:0;display:flex;justify-content:space-between;font-size:9px;color:#c6ae78;letter-spacing:2px}.archive-chapter header b{font-size:22px}.archive-chapter h3{font:25px serif;margin:16px 0 8px}.archive-chapter p{font-size:11px;min-height:44px}.archive-chapter ul{list-style:none;padding:10px 0;margin:0;border-block:1px solid #bbab662c;min-height:65px}.archive-chapter li{font-size:12px;line-height:1.9;color:#e1d8b6}.archive-chapter small{display:block;font-size:9px;color:#9fab96;margin:13px 0}.archive-chapter button{font-size:11px;width:100%}.archive-evidence{padding:22px;background:#0c1d17;border:1px solid #8d9b7133}.archive-evidence>div{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.archive-evidence article>span{font-size:10px;color:#c6af78}.archive-evidence h4{font-size:14px;font-weight:400;margin:12px 0}.archive-evidence p{font-size:10px}.archive-evidence>small{display:block;font-size:9px;color:#9ba78d;border-top:1px solid #9d9d6933;padding-top:14px;margin-top:10px}.archive-letter{margin:24px 0;padding:22px;border:1px solid #c4b07944}.archive-letter label{font:22px serif}.archive-letter p{font-size:11px}.archive-letter textarea{box-sizing:border-box;width:100%;resize:vertical;min-height:85px;max-height:200px;font-family:inherit;font-size:13px;line-height:1.8;color:#ede1c1;background:#101f18;border:1px solid #9b9c6c66;padding:12px}.archive-letter textarea:focus-visible{outline:2px solid #d3b57c}.archive-letter>div{display:flex;justify-content:space-between;align-items:center;gap:10px;margin-top:12px}.archive-letter span{font-size:10px;color:#bcc5aa}.archive-actions{display:flex;flex-wrap:wrap;gap:10px}.archive-actions .minor{width:100%;text-align:right;margin:10px 0 0}.archive-actions .primary{justify-content:center}.archive-actions button{min-height:40px}@media(max-width:600px){.archive-hero h2{font-size:26px}.archive-seal{width:80px;height:80px}.archive-seal b{font-size:24px}.archive-seal span{font-size:8px;letter-spacing:1px}.archive-hero{gap:10px}.archive-journey{grid-template-columns:1fr}.archive-chapter{padding:18px}.archive-chapter p{min-height:0}.archive-evidence{padding:16px}.archive-evidence>div{grid-template-columns:1fr;gap:8px}.archive-evidence article{border-bottom:1px solid #a6a56422}.archive-evidence h4{margin:7px 0}.archive-letter{padding:16px}.archive-actions>button:not(.minor){width:100%}.archive-letter>div{flex-wrap:wrap}}