:root{--paper:#f3f0ea;--ink:#2b302f;--muted:#777c76;--line:#d9d9cf;--meta:#71b4de;--aura:#d6ab68;font-family:-apple-system,BlinkMacSystemFont,'PingFang SC','Microsoft YaHei',sans-serif;color:var(--ink);background:var(--paper);font-synthesis:none}*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}button{cursor:pointer;border:0;background:none;color:inherit}a{color:inherit;text-decoration:none}button:focus-visible,a:focus-visible,input:focus-visible,select:focus-visible,summary:focus-visible{outline:2px solid #467c6b;outline-offset:4px}input[type=checkbox]{accent-color:#426e5e}input[type=range]{width:100%;accent-color:#4f7464}button,select{min-height:38px}button:hover{background:#e1e1d6}p{line-height:1.8}h1,h2,h3,p{margin:0}button,summary,a,select{touch-action:manipulation}[hidden]{display:none!important}.site-header{height:74px;margin:0 5%;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.wordmark{font-size:12px;font-weight:700;letter-spacing:1.8px;display:flex;gap:10px;align-items:center}.mark{font-size:24px;line-height:1}.edition{font-size:11px;font-weight:400;color:var(--muted)}nav{display:flex;gap:30px;font-size:12px;color:#626761}main{max-width:1660px;margin:auto;padding:0 5%}.intro{padding:42px 0 28px;display:flex;justify-content:space-between;align-items:flex-end}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2px;color:var(--muted);margin-bottom:12px}h1{font-size:clamp(26px,2.4vw,39px);font-weight:500;letter-spacing:-1px}.intro-copy{color:#7a7e76;font-size:13px;margin-top:12px}.scene-meta{font-size:10px;line-height:2;letter-spacing:1.1px;text-align:right}.scene-meta span{font-size:11px;letter-spacing:.2px;color:var(--muted)}.scene-meta i{display:inline-block;background:#a2845b;width:6px;height:6px;border-radius:50%;margin-right:7px}#experience{border:1px solid #d6d6cc;border-radius:14px;overflow:hidden;background:#f9f7f2;scroll-margin-top:20px}.experience-toolbar{display:flex;align-items:center;justify-content:space-between;padding:12px 16px;gap:14px}.segmented{display:flex;gap:3px;padding:4px;border-radius:8px;background:#e9e8e0}.segmented button{border-radius:5px;padding:0 18px;font-size:12px;white-space:nowrap;color:#73796e}.segmented button[aria-pressed=true]{background:#fffdf9;box-shadow:0 1px 5px #26382d0d;color:#273e32}.tools{display:flex;gap:6px;align-items:center}.tools button{font-size:12px;padding:0 12px;border-radius:6px}#gyro{border:1px solid #d2d8cd}#gyro[data-status=on]{background:#365e4e;color:white}#fullscreen{font-size:25px;padding:0 9px}#viewport{height:min(620px,65vw);min-height:460px;position:relative;background:#3e3e36;overflow:hidden;touch-action:none;outline:none;cursor:grab}#viewport:active{cursor:grabbing}#viewport canvas{width:100%;height:100%;display:block;position:absolute;inset:0}#view-labels,#optics-labels{position:absolute;inset:0;pointer-events:none}.view-name{position:absolute;top:22px;color:#fff5e5;text-shadow:0 2px 8px #0009;display:flex;align-items:center;gap:10px;z-index:1}.view-name strong{font-size:13px;letter-spacing:.3px;font-weight:500}.view-name .tag{font-size:9px;letter-spacing:1px;padding:5px 7px;border:1px solid #fff5;border-radius:3px;background:#1c201c6b}.view-name .dot{width:6px;height:6px;border-radius:50%;background:var(--meta)}.view-name.aura .dot{background:var(--aura)}.view-name .fov-info{font-size:10px;opacity:.78}.split-separator{position:absolute;background:#faf9ee8c}.view-annotation{position:absolute;color:#fff4df;font-size:10px;display:flex;gap:6px;align-items:center;text-shadow:0 1px 5px #000b;white-space:nowrap}.view-annotation span{display:inline-flex;justify-content:center;align-items:center;border-radius:50%;width:19px;height:19px;border:1px solid #e7e7d278;font-size:10px;background:#171c19b0}.view-annotation .dash{width:20px;height:1px;background:#eee9d588}.display-measure{position:absolute;border-top:1px solid #b3d8edab;pointer-events:none;text-align:center;font-size:10px;line-height:20px;color:#daebef;text-shadow:0 1px 5px black}.display-measure:before,.display-measure:after{content:'';position:absolute;top:-4px;height:7px;width:1px;background:#bdd7df}.display-measure:before{left:0}.display-measure:after{right:0}.display-measure.aura{border-color:#dbbe8b;color:#f3deba}.room-caption{position:absolute;bottom:17px;left:23px;right:23px;display:flex;justify-content:space-between;color:#fffae6cc;font-size:9px;letter-spacing:1.4px;pointer-events:none;text-shadow:0 1px 4px #000b}.room-caption span:last-child{letter-spacing:.2px}#loading,#fatal{position:absolute;inset:0;z-index:8;display:flex;align-items:center;justify-content:center;gap:14px;background:#e9e4db;color:#4c554a;font-size:14px}#fatal{flex-direction:column}.spinner{width:16px;height:16px;border:2px solid #a6ac9e;border-top-color:transparent;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{to{transform:rotate(360deg)}}.stage-bottom{padding:12px 21px;display:flex;align-items:center;justify-content:space-between;gap:20px;border-bottom:1px solid var(--line)}.content-tabs{display:flex;gap:5px;align-items:center}.content-tabs button{font-size:12px;padding:0 14px;border-radius:6px}.content-tabs button[aria-pressed=true]{background:#e8eadd;color:#365543}.control-kicker{font-size:10px;color:#8b8f83;margin-right:10px}.switch{display:flex;align-items:center;gap:6px;font-size:11px;white-space:nowrap}.optics-legend{display:flex;justify-content:space-between;padding:17px 23px;gap:15px;font-size:11px}.optics-legend>span{display:flex;align-items:center;gap:7px}.optics-legend small{font-size:10px;color:#8a8d84}.legend-number{display:inline-flex;align-items:center;justify-content:center;border:1px solid #bbbfb2;border-radius:50%;width:20px;height:20px;font-weight:400;font-size:10px}.settings{border-top:1px solid var(--line);background:#eeeee5}summary{padding:14px 24px;font-size:11px;cursor:pointer;list-style-position:inside}summary>span{float:right;color:#969a8d;font-size:10px}.settings-grid{padding:8px 23px 22px;display:grid;grid-template-columns:repeat(4,1fr);gap:30px}fieldset{border:0;padding:0;margin:0;min-width:0}legend{font-size:11px;font-weight:700;margin-bottom:16px;letter-spacing:.4px}fieldset label{display:flex;justify-content:space-between;gap:9px;align-items:center;font-size:11px;margin:10px 0}fieldset .check{justify-content:flex-start}fieldset p{font-size:10px;color:#8d9185;margin-top:12px}fieldset select{width:100%;background:#f8f7ef;border:1px solid #d8dccf;border-radius:5px;padding:8px;font-size:11px}output{color:#8c9182}.section-heading{display:flex;justify-content:space-between;align-items:flex-end;margin-bottom:26px}.section-heading h2{font-size:27px;letter-spacing:-.8px;font-weight:500}.section-heading>p{font-size:11px;color:#838879}.product-section,.fov-section{padding-top:78px;scroll-margin-top:26px}.product-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:54px;align-items:center}.product-stage{height:465px;position:relative;background:#e9e5de;border-radius:12px;overflow:hidden;touch-action:none}.product-stage canvas{width:100%;height:100%;display:block}.model-switch{position:absolute;left:21px;top:20px;background:#d6d4ccaa;z-index:1}.model-switch button{font-size:11px;padding:0 14px}.model-tag{position:absolute;top:35px;right:22px;font-size:8px;letter-spacing:1.6px;color:#8e8e86}.product-actions{position:absolute;bottom:20px;left:20px;right:20px;display:flex;gap:6px;justify-content:center;font-size:10px;align-items:center}.product-actions button,.product-actions label{border:1px solid #cecfc4;border-radius:4px;padding:0 13px;min-height:32px;display:flex;gap:6px;align-items:center;background:#edece58c}.product-description{max-width:400px}.device-type{font-size:9px;letter-spacing:2px;color:#8d9185}h3{font-size:26px;font-weight:500;margin:10px 0 16px}.product-description>p{font-size:12px;color:#727b6d}.product-description ol{list-style:none;padding:17px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);margin:24px 0;font-size:11px}.product-description li{margin:12px 0}.product-description li span{display:inline-block;color:#949b89;width:54px}.product-description>a{font-size:11px;border-bottom:1px solid #aeb6a1;padding-bottom:4px}.product-description .model-disclaimer{font-size:9px;color:#92998a;margin-top:22px;max-width:330px}.fov-section{padding-bottom:70px}.fov-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:54px;align-items:center}.fov-chart{background:#e6e9df;border-radius:12px;padding:20px 14px 18px}.fov-chart svg{width:100%;height:auto;display:block}.chart-caption{display:block;text-align:center;font-size:9px;color:#86907d;letter-spacing:.5px}.fov-copy{max-width:400px}.spec{padding:22px 0;border-bottom:1px solid var(--line)}.spec>span{font-size:11px;font-weight:600;color:#5e7e8b}.spec.aura>span{color:#967644}.spec strong{display:block;font-size:26px;font-weight:500;letter-spacing:-.7px;margin:12px 0 8px}.spec strong small{font-size:12px;color:#7c897b;letter-spacing:0}.spec p{font-size:11px;color:#929a89}.fov-footnote{font-size:11px;color:#7e8974;margin-top:24px}.fov-links{display:flex;gap:26px;font-size:10px;margin-top:19px}.fov-links a{border-bottom:1px solid #b4bca9;padding-bottom:4px}footer{border-top:1px solid var(--line);padding:29px 0 44px;display:flex;gap:45px;align-items:flex-start}footer .wordmark{font-size:9px;white-space:nowrap;letter-spacing:1px}footer p{font-size:9px;color:#969d8d;max-width:680px}footer>a{font-size:10px;white-space:nowrap;margin-left:auto}#toast{position:fixed;bottom:25px;left:50%;transform:translateX(-50%) translateY(30px);z-index:100;padding:12px 19px;border-radius:8px;background:#233b32ed;color:#f2f5e9;font-size:12px;max-width:calc(100% - 30px);width:max-content;opacity:0;transition:.2s;pointer-events:none;box-shadow:0 5px 30px #152d2b26}#toast.show{opacity:1;transform:translateX(-50%) translateY(0)}body.deep .intro{padding-top:25px}body.deep .intro h1{font-size:29px}body.deep .intro-copy{display:none}body.deep #viewport{height:calc(100svh - 238px);min-height:440px}#experience:fullscreen{background:var(--paper);border-radius:0;display:flex;flex-direction:column}#experience:fullscreen #viewport{height:auto;min-height:0;flex:1}#experience:fullscreen .settings{display:none}#experience:fullscreen .optics-legend{padding:8px 20px}#experience:fullscreen .stage-bottom{padding:7px 20px}
@media(min-width:1800px){#viewport{height:680px}}
@media(max-width:1050px){.optics-legend small{display:none}.product-layout,.fov-layout{gap:28px;grid-template-columns:1.3fr 1fr}.model-tag{display:none}.experience-toolbar{padding:10px}.segmented button{padding:0 12px}.scene-meta{display:none}.settings-grid{gap:18px}.product-stage{height:400px}.product-description{padding-right:10px}.tools button{padding:0 8px}.view-name .fov-info{display:none}}
@media(max-width:700px){.site-header{height:58px;margin:0 5%}.wordmark{font-size:10px;letter-spacing:1px}nav{gap:16px;font-size:10px}nav a:last-child{display:none}.intro{padding:26px 0 20px}.eyebrow{font-size:8px;margin-bottom:9px;letter-spacing:1.5px}h1{font-size:26px}.intro-copy{font-size:11px;max-width:300px;line-height:1.8;margin-top:9px}main{padding:0 4%}.experience-toolbar{flex-wrap:wrap;gap:8px;padding:9px 10px}.modes{width:100%;justify-content:space-between}.segmented button{flex:1;padding:0 8px;font-size:11px;min-height:34px}.tools{width:100%;justify-content:flex-end;gap:9px}.tools button{font-size:10px;min-height:30px}.tools #gyro{margin-right:auto;padding:0 10px}#fullscreen{font-size:21px!important}#viewport{height:720px;min-height:0}.view-name{gap:7px}.view-name strong{font-size:11px}.view-name .tag{font-size:8px}.view-annotation{font-size:8px;gap:4px}.view-annotation .dash{width:10px}.view-annotation span{width:17px;height:17px;font-size:9px}.display-measure{font-size:9px}.room-caption{bottom:11px;left:13px;right:13px;font-size:8px;letter-spacing:.7px}.room-caption span:last-child{display:none}.stage-bottom{padding:9px 10px;gap:6px;flex-wrap:wrap}.content-tabs{width:100%;justify-content:space-between;gap:2px}.content-tabs button{font-size:10px;padding:0 8px;min-height:33px}.control-kicker{display:none}.switch{font-size:10px;margin-left:auto;min-height:26px}.optics-legend{display:grid;grid-template-columns:1fr 1fr;padding:14px 13px;gap:12px;font-size:10px}.legend-number{width:18px;height:18px;font-size:9px}summary{padding:13px;font-size:10px}summary>span{font-size:9px}.settings-grid{grid-template-columns:1fr 1fr;padding:8px 13px 20px;gap:24px 17px}.section-heading{display:block;margin-bottom:20px}.section-heading h2{font-size:24px}.section-heading>p{font-size:10px;margin-top:13px;line-height:1.6}.product-section,.fov-section{padding-top:48px}.product-layout,.fov-layout{display:block}.product-stage{height:350px}.model-switch{left:13px;top:13px}.model-switch button{padding:0 12px;font-size:10px}.product-actions{left:10px;right:10px;bottom:15px;gap:5px}.product-actions button,.product-actions label{padding:0 9px;font-size:9px}.product-description{padding:26px 5px 0;max-width:none}h3{font-size:23px}.product-description ol{margin:18px 0}.product-description .model-disclaimer{max-width:none}.fov-copy{max-width:none;padding:4px 5px 0}.spec{padding:20px 0 16px}.spec strong{font-size:25px}.fov-section{padding-bottom:42px}footer{display:block;padding:25px 2px}footer p{margin:18px 0}footer>a{display:inline-block;margin-bottom:15px}body.deep .intro{padding:18px 0}body.deep .intro h1{font-size:23px}body.deep .intro .eyebrow{display:none}body.deep #viewport{height:calc(100svh - 227px);min-height:400px}body.deep[data-mode=split] #viewport{height:740px}.fov-chart{padding:10px 5px 15px}#experience:fullscreen .experience-toolbar{flex-wrap:nowrap}#experience:fullscreen .tools{width:auto}#experience:fullscreen .tools #gyro{min-width:85px}#experience:fullscreen .modes{width:auto;flex:1}#experience:fullscreen .optics-legend{display:none}#experience:fullscreen .stage-bottom{flex-wrap:nowrap}#experience:fullscreen .switch{display:none}}
@media(max-height:540px) and (orientation:landscape){.site-header{height:45px}.intro,body.deep .intro{padding:14px 0}.intro-copy,.intro .eyebrow{display:none}.intro h1{font-size:22px}.experience-toolbar{padding:7px 10px;flex-wrap:nowrap}.tools{width:auto}.modes{width:auto}.segmented button{padding:0 11px}.tools button{min-height:30px}#viewport,body.deep #viewport{height:calc(100svh - 125px);min-height:230px}#experience:fullscreen #viewport{height:auto;min-height:0}.view-annotation{font-size:8px}.room-caption{bottom:9px}.stage-bottom{padding:5px 14px}.optics-legend{padding:10px 14px}#experience:fullscreen .optics-legend{display:none}}
@media(prefers-reduced-motion:reduce){.spinner{animation:none}#toast{transition:none}}
@media(max-width:700px) and (orientation:portrait){body:not([data-mode=split]) #viewport,body.deep:not([data-mode=split]) #viewport{height:min(440px,calc(100svh - 260px));min-height:360px}#experience:fullscreen #viewport,body.deep #experience:fullscreen #viewport{height:auto;min-height:0}}
@media(max-height:540px) and (orientation:landscape){.site-header,.intro,body.deep .intro{display:none}main{padding-top:8px}#viewport,body.deep #viewport{height:calc(100svh - 118px);min-height:220px}.experience-toolbar{padding:6px 10px}#experience:fullscreen #viewport,body.deep #experience:fullscreen #viewport{height:auto;min-height:0}}
@media(min-width:701px) and (min-height:541px){body.deep #viewport{height:clamp(440px,calc(100svh - 238px),720px)}body.deep[data-mode=split] #viewport{height:620px}}
.view-annotation.compact[data-number="2"] .label-text,.view-annotation.compact[data-number="2"] .dash{display:none}
/* V4: finite human field, explicit passthrough and observable FOV clipping. */
.optical-toolbar{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:10px 20px;border-top:1px solid var(--line);background:#eceee5;font-size:11px}.eye-controls{display:flex;align-items:center;gap:12px}.eye-controls label{display:flex;align-items:center;gap:6px;white-space:nowrap}.eye-controls select{border:1px solid #cbd2c3;border-radius:5px;background:#f7f8f0;min-height:30px;font-size:10px;padding:4px 7px}.eye-range{font-size:9px;color:#8a9581;white-space:nowrap}.pass-controls{display:flex;gap:4px;align-items:center;font-size:10px;white-space:nowrap}.pass-controls>span{color:#7f8b75;margin-right:6px}.pass-controls button{font-size:10px;min-height:32px;padding:0 10px;border-radius:5px;color:#7a8570}.pass-controls button[aria-pressed=true]{background:#324c40;color:#edf2e6}#viewport{background:#050607}.eye-caption{position:absolute;color:#becaba;font-size:9px;letter-spacing:.3px;opacity:.7}.layer-label{position:absolute;font-size:10px;color:#c4cec3;white-space:nowrap;background:#090f1099;padding:4px 7px;border-radius:4px}.display-measure{font-weight:500;letter-spacing:.3px;font-size:10px}.vertical-measure{position:absolute;width:1px;border-left:1px solid #84bcdd99;color:#abc9d8;font-size:9px}.vertical-measure:before,.vertical-measure:after{content:'';position:absolute;left:-4px;width:7px;height:1px;background:#84bcdd99}.vertical-measure:before{top:0}.vertical-measure:after{bottom:0}.vertical-measure span{position:absolute;left:5px;top:48%;white-space:nowrap}.vertical-measure.aura{border-color:#d2b27499;color:#d2b274}.calibration-readout{display:flex;align-items:center;gap:26px;padding:17px 22px;border-bottom:1px solid var(--line);background:#f0f1e8;font-size:11px}.calibration-readout strong{font-weight:500}.calibration-readout small{display:block;color:#959f88;font-size:9px;margin-top:5px}.readout-device{display:flex;gap:11px;align-items:center}.readout-device>span{font-size:10px;color:#718668}.readout-device>div{display:flex;gap:5px}.test-point{display:inline-flex;align-items:center;gap:5px;padding:5px 7px;border:1px solid #d4ddc9;border-radius:4px;font-size:11px}.test-point small{display:inline;margin:0;font-size:9px}.test-point.visible{background:#e3e9d9;color:#3b6946}.test-point.visible small{color:#5d7d55}.test-point.clipped{background:#ecece7;color:#a7aca0;border-style:dashed}.test-point.clipped small{color:#9d9f98}.calibration-readout>button{font-size:10px;margin-left:auto;white-space:nowrap;border-bottom:1px solid #c8cfbd}.structure-notes{display:flex;gap:25px;padding:15px 22px;font-size:10px;line-height:1.8;color:#909a85}.structure-notes>span{flex:1}.structure-notes b{color:#62785b;font-weight:600;margin-right:8px}#experience:fullscreen .structure-notes{display:none}#experience:fullscreen .calibration-readout{padding:7px 18px}#experience:fullscreen .calibration-readout>div:first-child{display:none}#experience:fullscreen .optical-toolbar{padding:6px 18px}
@media(max-width:1050px){.eye-range{display:none}.calibration-readout{gap:15px}.calibration-readout>div:first-child{max-width:145px}.test-point{padding:4px 6px}.readout-device{gap:7px}.layer-label{font-size:9px}}
@media(max-width:700px){.optical-toolbar{display:flex;flex-wrap:wrap;padding:8px 11px;gap:7px;font-size:10px}.eye-controls{width:100%;justify-content:space-between}.eye-controls select{min-height:27px}.eye-range{display:block;font-size:8px;margin-left:auto}.pass-controls{width:100%}.pass-controls>span{margin-right:auto}.pass-controls button{min-height:28px;font-size:9px}.eye-caption{font-size:8px}.view-name strong{font-size:10px}.view-name .tag{font-size:7px;padding:4px}.display-measure{font-size:9px}.vertical-measure{font-size:8px}.vertical-measure span{left:4px}.layer-label{font-size:8px;padding:3px 5px}.calibration-readout{display:grid;grid-template-columns:1fr 1fr;gap:11px;padding:13px}.calibration-readout>div:first-child{grid-column:1/-1;max-width:none}.calibration-readout>div:first-child strong,.calibration-readout>div:first-child small{display:inline;font-size:9px}.calibration-readout>div:first-child small{margin-left:8px;font-size:8px}.readout-device{align-items:flex-start;flex-direction:column;gap:5px}.test-point{font-size:10px;padding:4px 6px}.test-point small{font-size:8px}.calibration-readout>button{grid-column:1/-1;min-height:28px;font-size:9px}.structure-notes{display:block;padding:12px 13px;font-size:9px}.structure-notes>span{display:block;margin:4px 0}.room-caption{font-size:7px;letter-spacing:0}body:not([data-mode=split]) #viewport,body.deep:not([data-mode=split]) #viewport{height:390px;min-height:350px}#experience:fullscreen .calibration-readout{display:none}#experience:fullscreen .optical-toolbar{flex-wrap:nowrap;padding:4px 8px;gap:7px}#experience:fullscreen .eye-controls{width:auto;flex:1}#experience:fullscreen .eye-range,#experience:fullscreen #eye{display:none}#experience:fullscreen .pass-controls{width:auto}}
@media(max-height:540px) and (orientation:landscape){.optical-toolbar{padding:5px 13px;flex-wrap:nowrap}.pass-controls{width:auto}.eye-controls{width:auto}.eye-range{display:none}#viewport,body.deep #viewport{height:calc(100svh - 159px);min-height:205px}.calibration-readout,.structure-notes{font-size:9px}#experience:fullscreen .calibration-readout{display:none}}
@media(max-width:700px) and (orientation:portrait){#viewport{touch-action:pan-y}#experience:fullscreen #viewport{touch-action:none}}
body[data-mode=split] #viewport.stacked{height:740px}.test-point,.test-point small{white-space:nowrap}
@media(min-width:701px) and (max-width:1100px){.calibration-readout{display:grid;grid-template-columns:1fr 1fr;gap:13px 24px}.calibration-readout>div:first-child{grid-column:1/-1;max-width:none}.calibration-readout>div:first-child strong,.calibration-readout>div:first-child small{display:inline}.calibration-readout>div:first-child small{margin-left:12px}.calibration-readout>button{grid-column:1/-1;min-height:27px}.readout-device{justify-content:flex-start;gap:12px}.structure-notes{display:block}.structure-notes>span{display:block;margin:4px 0}}
@media(max-height:540px) and (orientation:landscape){body[data-mode=split] #viewport.stacked{height:520px}}
/* Fit and prescription controls, shared-model comparison. */
.optical-lab{border-top:1px solid var(--line);background:#eeeee5;scroll-margin-top:14px}.optical-lab>summary{list-style:none;display:flex;align-items:center;gap:16px;padding:12px 20px;cursor:pointer;font-size:11px}.optical-lab>summary::-webkit-details-marker{display:none}.optical-lab>summary>span:first-child{font-weight:600;color:#52634d}.optical-lab>summary small{color:#939c88;font-size:10px}.lab-open{margin-left:auto;color:#6d7d65;font-size:10px;white-space:nowrap}.optical-lab[open] .lab-open{font-size:0}.optical-lab[open] .lab-open:after{content:'收起调节 −';font-size:10px}.optical-lab-grid{display:grid;grid-template-columns:1fr 1.12fr 1fr;gap:28px;padding:15px 22px 22px;border-top:1px solid #d7ddcf}.optical-lab legend{font-size:9px;letter-spacing:1px;margin-bottom:14px;color:#8b987e}.optical-lab input[type=range]{width:100%;accent-color:#738565;cursor:pointer}.optical-lab label{font-size:11px}.optical-lab output{font-size:10px;color:#728269;font-variant-numeric:tabular-nums}.optical-lab .segmented{display:flex;padding:3px}.optical-lab .segmented button{padding:7px 10px;flex:1;font-size:10px}.fit-actions{display:flex;justify-content:space-between;margin:15px 0 7px;font-size:10px;color:#728566}.fit-actions button{text-decoration:underline;text-underline-offset:3px}.optical-lab p{line-height:1.8}.rx-eye-line{display:flex;justify-content:space-between;align-items:center;gap:8px;font-size:10px;margin-top:11px}.rx-eye-line label{font-size:9px;margin:0;gap:5px}.rx-eye-line strong{font-weight:400;color:#8a9680}.rx-key{font-size:10px;color:#8b7196;margin:6px 0 13px}.rx-key i{display:inline-block;border:1px solid #9677a6;width:16px;height:10px;border-radius:5px;vertical-align:middle;margin-right:5px}.rx-explainer p b{font-weight:500;color:#596f51}.rx-explainer small{font-size:9px;color:#9aa28e;line-height:1.8;display:block;margin-top:10px}.fit-section{margin:90px 0}.fit-diagrams{display:grid;grid-template-columns:1fr 1fr;gap:24px}.fit-diagrams article{border:1px solid #dcded4;border-radius:12px;background:#ecebe3;overflow:hidden}.fit-card-title{display:flex;justify-content:space-between;align-items:center;padding:21px 24px 0}.fit-card-title h3{font-weight:500;font-size:15px;margin:0}.fit-card-title button{font-size:10px;color:#859374}.fit-diagrams svg{display:block;width:100%;height:auto}.fit-diagrams article>p{padding:0 24px 21px;margin:0;font-size:11px;line-height:1.9;color:#8b957f}.fit-evidence{font-size:10px;color:#929b87;line-height:1.9;margin-top:18px}.fit-evidence p{margin:5px 0}.fit-evidence b{font-weight:500;color:#6d815d;margin-right:12px}.fit-evidence a{color:#617654;margin-left:10px;border-bottom:1px solid #bac6ab}.multi-fov{grid-template-columns:minmax(0,1.7fr) minmax(300px,1fr);gap:26px;align-items:start}.multi-fov .fov-chart{position:sticky;top:16px;padding:23px 20px;background:#e6e8df}.chart-top{display:flex;justify-content:space-between;align-items:center;font-size:9px;letter-spacing:1px;color:#8a9880}.chart-top strong{font-size:10px;font-weight:400;letter-spacing:0;color:#6d805f}.fov-legend{display:flex;flex-wrap:wrap;justify-content:center;gap:7px 12px;margin:5px 0 20px}.fov-legend button{font-size:10px;color:#718166;padding:5px 7px;border-radius:4px}.fov-legend button[aria-pressed=true]{background:#f2f3e9;box-shadow:0 0 0 1px var(--device)}.fov-legend i{display:inline-block;width:12px;height:2px;vertical-align:middle;background:var(--device);margin-right:6px}.fov-method{font-size:10px;line-height:1.9;color:#94a087;max-width:570px;margin:14px auto 0}.picker-top{display:flex;justify-content:space-between;align-items:center;padding:0 0 15px;border-bottom:1px solid #d9dece}.picker-top strong{font-size:13px;font-weight:500}.picker-top>div{display:flex;gap:12px}.picker-top button{font-size:10px;color:#839474}.device-row{padding:13px 12px 11px;border-bottom:1px solid #dee2d5;border-left:2px solid transparent;opacity:.62;transition:opacity .15s}.device-row.selected{opacity:1;border-left-color:var(--device);background:#e9ece24d}.device-row.focused{background:#f9f8ef}.device-row>label{display:flex;gap:8px;align-items:center;cursor:pointer}.device-row input{accent-color:var(--device);margin:0}.device-swatch{width:6px;height:6px;background:var(--device);border-radius:50%}.device-row b{font-size:12px;font-weight:500;color:#66795a}.device-row label small{font-size:8px;display:block;color:#9ba48f;margin-top:3px}.fov-value{display:block;text-align:left;margin:7px 0 2px 26px;font-size:14px;font-variant-numeric:tabular-nums;color:var(--device);padding:0}.fov-value em{font-style:normal;font-size:9px;color:#a6ad9c}.fov-value span{display:block;color:#a0aa93;font-size:8px;margin-top:2px}.device-evidence{margin:6px 0 0 26px;font-size:9px;color:#9ba78f}.device-evidence summary{cursor:pointer;list-style:none}.device-evidence summary::-webkit-details-marker{display:none}.device-evidence p{line-height:1.8;margin:9px 0 7px}.device-evidence a{color:#748767;border-bottom:1px solid #b5c0a7}.device-picker-note{font-size:9px;line-height:1.9;color:#a1aa97;margin:16px 12px}.product-actions{flex-wrap:wrap}.product-stage[data-view=wear]:after{content:'眼位参照 · 非人体测量';position:absolute;top:69px;left:23px;font-size:9px;color:#8d9587}.product-stage canvas{outline:none}#experience:fullscreen .optical-lab{display:none}
@media(max-width:1000px){.optical-lab-grid{grid-template-columns:1fr 1fr;gap:23px}.rx-explainer{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.rx-explainer legend,.rx-explainer small{grid-column:1/-1}.rx-key{grid-column:1/-1;margin:0}.rx-explainer p{margin:0}.rx-explainer input,.rx-explainer>label{grid-column:1/-1}.rx-explainer>label{margin-bottom:0}.multi-fov{grid-template-columns:minmax(0,1.3fr) minmax(275px,1fr);gap:18px}.fit-diagrams{gap:16px}.fit-card-title{padding:18px 18px 0}}
@media(max-width:700px){.optical-lab>summary{padding:11px 12px;gap:10px;font-size:10px;flex-wrap:wrap}.optical-lab>summary small{font-size:8px;order:3;width:100%}.lab-open{font-size:9px}.optical-lab-grid{padding:16px 13px;gap:24px 15px}.optical-lab legend{font-size:8px;letter-spacing:.4px}.optical-lab .segmented button{padding:7px 3px;font-size:8px}.optical-lab label{font-size:9px}.optical-lab output{font-size:8px}.rx-eye-line{display:block;font-size:9px}.rx-eye-line label{font-size:8px;justify-content:flex-start;margin-top:7px}.optical-lab p{font-size:9px}.fit-actions{gap:8px;font-size:8px}.fit-section{margin:56px 0}.fit-diagrams{grid-template-columns:1fr;gap:18px}.fit-diagrams article>p{font-size:10px;padding:0 19px 18px}.fit-card-title h3{font-size:14px}.fit-card-title button{font-size:9px}.fit-evidence{font-size:9px}.fit-evidence a{display:block;margin-left:0;width:fit-content}.multi-fov{display:flex;flex-direction:column;gap:25px}.multi-fov .fov-chart{position:static;padding:16px 10px;width:100%;box-sizing:border-box}.device-picker{width:100%}.device-row{padding:14px}.device-row b{font-size:13px}.device-row label small{font-size:9px}.fov-value{font-size:16px}.fov-value span,.device-evidence{font-size:9px}.device-picker-note{font-size:9px}.chart-top{font-size:8px}.fov-method{font-size:9px}.fov-legend{gap:4px 8px;margin-bottom:14px}.fov-legend button{font-size:9px}.product-stage{height:380px}.product-actions{bottom:12px;gap:5px}.product-actions button,.product-actions label{padding:0 8px;min-height:29px;font-size:8px}.site-header nav{gap:12px}.site-header nav a{font-size:9px}}
@media(max-width:480px){.optical-lab-grid{grid-template-columns:1fr;gap:25px}.optical-lab legend{font-size:10px}.optical-lab label{font-size:11px}.optical-lab output{font-size:10px}.optical-lab .segmented button{font-size:11px;min-height:38px}.rx-eye-line{display:flex}.rx-eye-line label{font-size:10px;margin-top:0}.optical-lab p{font-size:10px}.fit-actions{font-size:10px}.rx-explainer small{font-size:10px}}
/* v6: separate perceptual comparison from the structure reference */
.comparison-contract{display:flex;flex-wrap:wrap;gap:5px 22px;padding:13px 20px;background:#e8ebdf;border-top:1px solid var(--line);font-size:10px;color:#6b795f}.comparison-contract strong{font-size:11px;color:#41573b}.comparison-contract span:last-child{color:#929c88}.display-controls{display:flex;gap:10px 25px;align-items:center;flex-wrap:wrap;padding:10px 20px;background:#f4f3ec;font-size:10px;color:#839174}.display-controls label{color:#506846;display:flex;gap:6px;align-items:center}.display-controls>span:last-child{margin-left:auto;font-size:9px}.component-legend{display:flex;gap:10px 18px;flex-wrap:wrap;margin:20px 0 12px;font-size:10px;color:#67755d}.component-legend i{display:inline-block;width:9px;height:9px;border-radius:2px;margin-right:6px}.structure-scale{font-size:10px;color:#89957c;max-width:900px;line-height:1.8}.product-actions{background:#e9e5decd;border-radius:6px;padding:6px}.product-actions button,.product-actions label{background:#f0eee7}.assumption-toggle{display:flex;gap:8px;font-size:10px;color:#7d6d46;align-items:center;padding:12px 0}.unknown-note{font-size:9px;color:#929b88;line-height:1.8;margin:0 0 18px}.device-evidence summary{padding:6px 0}.device-evidence dl{display:grid;grid-template-columns:70px 1fr;gap:5px;margin:10px 0}.device-evidence dt{color:#7c896f}.device-evidence dd{margin:0}.device-picker-note a{display:block;margin-top:10px}.optical-lab-grid{grid-template-columns:1fr 1fr}.rx-explainer{grid-column:auto!important}
@media(max-width:700px){.display-controls,.comparison-contract{padding:12px;font-size:9px}.comparison-contract{display:block}.comparison-contract span{display:block;margin-top:6px}.display-controls>span:last-child{width:100%;margin-left:0;font-size:8px}.product-stage{height:430px}.product-actions{bottom:10px}.component-legend{font-size:9px;gap:10px}.structure-scale{font-size:9px}.optical-lab-grid{grid-template-columns:1fr}.site-header nav a[href="#fit"]{display:none}.site-header nav{gap:8px}.site-header nav a{font-size:8px}}
#experience:fullscreen{display:flex;flex-direction:column;height:100dvh;border:0;border-radius:0}#experience:fullscreen #viewport{flex:1;min-height:0!important;height:auto!important}#experience:fullscreen .experience-toolbar,#experience:fullscreen .optical-toolbar,#experience:fullscreen .stage-bottom,#experience:fullscreen .display-controls{flex:0 0 auto}#experience:fullscreen .comparison-contract,#experience:fullscreen .calibration-readout,#experience:fullscreen .structure-notes,#experience:fullscreen .settings,#experience:fullscreen .display-controls span{display:none}#experience:fullscreen .display-controls{padding:3px 12px}
/* Quest baseline, panoramic Earth application, and native WebXR entry. */
.compare-controls,.earth-controls{display:flex;align-items:center;gap:15px;flex-wrap:wrap;padding:12px 20px;border-top:1px solid var(--line);font-size:11px;background:#f1f0e9}.compare-controls label,.earth-controls label{display:flex;align-items:center;gap:8px}.compare-controls select,.xr-controls select,.earth-controls select{background:#fafbf4;border:1px solid #c7cfbf;border-radius:6px;padding:7px 9px;color:#49634e;font:inherit;min-height:35px}.compare-controls>a{margin-left:auto;color:#53744d}.compare-controls[hidden],.earth-controls[hidden]{display:none}.earth-controls{background:#e8ede5;gap:13px 25px}.earth-controls small{font-size:9px;color:#7d8c77;margin-left:auto}.earth-places{display:flex;align-items:center;gap:8px}.earth-places strong{font-size:9px;letter-spacing:1px;margin-right:8px}.earth-places button{padding:7px 10px;font-size:10px;border-radius:5px}.earth-places button[aria-pressed=true]{background:#385b49;color:#f0f5e8}.earth-controls input{width:110px}.earth-controls output{min-width:36px;font:10px monospace}.view-name.quest3 .dot{background:#9ebf77}.display-measure.quest3,.vertical-measure.quest3{color:#adc98e;border-color:#a1bc7e}.headset-callout{margin:34px 0 0;padding:28px 32px;border:1px solid #cdd5c2;background:#e9ede2;border-radius:14px;display:flex;align-items:center;justify-content:space-between;gap:30px}.headset-callout h2{font-size:24px;letter-spacing:-.6px}.headset-callout p:not(.eyebrow){font-size:12px;line-height:1.8;max-width:670px;margin:12px 0 6px;color:#66775c}.headset-callout small{font-size:10px;color:#84917a}.headset-link{display:inline-flex;justify-content:center;align-items:center;padding:14px 22px;background:#335442;color:#f2f4e9;border-radius:8px;white-space:nowrap;font-size:13px;min-height:46px}.headset-link:disabled{background:#a9b3a0;cursor:default}.xr-status{font-size:12px;margin:0 0 16px;color:#697e60}.xr-lab{border:1px solid var(--line);border-radius:12px;overflow:hidden}.xr-controls{display:flex;align-items:center;gap:20px;flex-wrap:wrap;padding:14px 18px;background:#e8ede2;font-size:11px}.xr-controls label{display:flex;align-items:center;gap:8px}.xr-controls button{margin-left:auto;font-size:11px;border-bottom:1px solid #94a087}#xr-stage{position:relative;height:62vh;min-height:420px;max-height:760px;background:#060b14;touch-action:none}#xr-stage canvas{width:100%;height:100%;display:block}.xr-preview-label{position:absolute;top:19px;left:22px;pointer-events:none;color:#dde4d8;font-size:13px}.xr-preview-label span{display:block;font-size:10px;color:#94a29d;margin-top:8px}.xr-description{padding:13px 20px;font-size:11px;color:#73826a;line-height:1.8}.xr-help{display:grid;grid-template-columns:1fr 1fr;gap:50px;padding:35px 5px}.xr-help h2{font-size:20px}.xr-help p{font-size:12px;line-height:1.9;color:#7c8871;margin-top:12px}.sdk-notes{border:1px solid #d2d9c9;border-radius:10px;margin:14px 0;font-size:12px}.sdk-notes>div{padding:0 22px 22px;line-height:1.9;color:#77866a}.sdk-notes pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#e6ecdf;padding:18px;color:#4f6549;margin:15px 0}.sdk-notes>pre{margin:16px}.xr-active #xr-stage{visibility:hidden}.content-tabs{flex-wrap:wrap}.content-tabs button{white-space:nowrap}#experience:fullscreen .compare-controls{padding:4px 12px;font-size:9px}#experience:fullscreen .compare-controls select{padding:2px 5px;min-height:26px}#experience:fullscreen .earth-controls{padding:4px 12px;font-size:9px}#experience:fullscreen .earth-controls small{display:none}
@media(max-width:700px){.compare-controls{padding:8px 11px;gap:7px;font-size:9px}.compare-controls>span:first-child{display:none}.compare-controls label{flex:1;gap:5px;min-width:0}.compare-controls select{font-size:9px;padding:5px;min-width:0;width:100%}.compare-controls>a{width:100%;font-size:10px;text-align:right}.earth-controls{padding:10px 12px;gap:9px 16px;font-size:9px}.earth-controls small{margin:0}.earth-places{gap:3px}.earth-places strong{font-size:8px}.earth-places button{font-size:9px;padding:6px 8px}.earth-controls label{flex:1}.earth-controls input{flex:1;max-width:170px}.headset-callout{display:block;padding:22px;margin-top:25px}.headset-callout h2{font-size:21px}.headset-link{margin-top:16px}.headset-page .intro{display:block}.headset-page .intro-copy{display:block}.xr-controls{gap:9px;padding:10px;font-size:10px}.xr-controls label{flex:1 1 42%;display:grid;gap:5px}.xr-controls button{margin:0;min-height:30px;font-size:10px}#xr-stage{height:58vh;min-height:360px}.xr-help{display:block;padding:25px 3px}.xr-help article+article{margin-top:25px}.xr-help h2{font-size:19px}.xr-help p{font-size:11px}.xr-description,.xr-status{font-size:10px}.xr-preview-label{left:13px;font-size:11px}.xr-preview-label span{font-size:8px}.sdk-notes{font-size:11px}.content-tabs{justify-content:flex-start;gap:3px}.content-tabs button{padding:0 9px}.modes{flex-wrap:wrap}.modes button{flex:1;min-width:54px}.headset-page nav{display:flex}.site-header nav a[href="#fit"],.site-header nav a[href="#models"]{display:none}#experience:fullscreen .compare-controls>a{display:none}}

/* v6.4: equal optical panes, automatic triple comparison and fixed-gaze overview. */
#viewport,body.deep #viewport,body[data-mode=split] #viewport.stacked{height:var(--view-height,540px);min-height:0}
body:not([data-mode=split]) #viewport{max-width:880px;margin-inline:auto}
#view-labels .view-name{gap:7px;white-space:nowrap}
#view-labels .view-name .tag{letter-spacing:0;font-size:8px;padding:4px 5px}
#viewport .room-caption{bottom:3px;left:14px;right:14px;font-size:8px;letter-spacing:0}
#compare-status{font-weight:500;font-size:11px;white-space:nowrap;color:#63715b}
.compare-pairs{gap:3px}.compare-pairs button{padding:0 12px;font-size:11px}
.eye-controls{flex-wrap:wrap}
.xr-controls .xr-guide-toggle{display:flex;flex:0 0 auto;align-items:center;gap:6px}
#xr-aura-settings{display:flex;align-items:center;gap:8px}#xr-dimming{width:115px}#xr-dim-value{white-space:nowrap;font-variant-numeric:tabular-nums}
@media(max-width:700px){.compare-pairs{width:100%}.compare-pairs button{flex:1;font-size:10px;padding:0 6px}.compare-controls>a{width:auto;margin-left:auto}.compare-controls{gap:6px 10px}#compare-status{font-size:10px}.view-name strong{font-size:12px}#viewport .room-caption span:first-child{display:none}.eye-controls{gap:8px}}
#experience:fullscreen #viewport{max-width:none;width:100%}#experience:fullscreen .compare-pairs{width:auto}#experience:fullscreen .compare-pairs button{min-height:26px;font-size:10px}
#experience:fullscreen .switch{display:flex;font-size:10px;min-height:24px;white-space:nowrap}
@media(max-height:540px) and (orientation:landscape){#experience:fullscreen .display-controls,#experience:fullscreen .earth-controls{display:none}#experience:fullscreen .stage-bottom{padding:3px 10px}#experience:fullscreen .content-tabs button{min-height:28px;font-size:10px}#experience:fullscreen .compare-controls>a{display:none}}

.language-switch{display:flex;gap:2px;margin-left:18px;flex-shrink:0;border:1px solid var(--line);border-radius:6px;padding:2px}.language-switch button{font-size:11px;min-height:30px;padding:0 9px;border-radius:4px}.language-switch button[aria-pressed=true]{background:#335442;color:#f2f4e9}.site-header nav{margin-left:auto}html[lang=en] .view-name strong{font-size:12px}html[lang=en] .view-name .tag{letter-spacing:0}html[lang=en] .layer-label{font-size:9px}html[lang=en] .eye-caption{font-size:9px}html[lang=en] .optical-toolbar{flex-wrap:wrap}@media(max-width:700px){.site-header{gap:8px}.language-switch{margin-left:auto}.site-header nav{display:none!important}.wordmark{letter-spacing:1px}.language-switch button{padding:0 7px}.xr-controls select{max-width:100%;min-width:0}.eye-controls{flex-wrap:wrap}html[lang=en] .view-name .tag{display:none}}
html[lang=en] .optical-lab[open] .lab-open:after{content:'Close −'}
html[lang=en] .product-stage[data-view=wear]:after{content:'Eye position reference · Not measured anatomy'}

/* Interface layout: primary choices, live preview, one settings panel. */
:root{--surface:#faf9f5;--soft:#ebece4;--quiet:#626e63;--accent:#355d4b}
main{max-width:1740px}
.intro{padding:38px 0 30px}
.intro-copy{max-width:620px;font-size:14px;color:#677166}
.simulation-disclosure{max-width:660px;margin:12px 0 0;font-size:11px;line-height:1.65;color:#687465}
.perception-note{margin:0 0 24px;padding:20px 24px;border:1px solid #cbd3c5;border-radius:12px;background:#e9ede3;color:#4b5e4e;scroll-margin-top:20px}
.perception-note h2{font-size:17px;font-weight:600;line-height:1.4;letter-spacing:-.2px;color:#314d3e}
.perception-comparison{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:14px}
.perception-comparison p{font-size:13px;line-height:1.65;min-width:0}
.perception-comparison p+p{border-left:1px solid #ccd5c5;padding-left:24px}
.perception-comparison strong{display:block;margin-bottom:5px;font-size:12px;color:#355540}
.fov-scope-note{margin:18px 0 12px;padding:11px 13px;border:1px solid #b6c3ab;border-radius:8px;background:#f0f3e9;font-size:11px;line-height:1.75;color:#53684d}.fov-scope-note strong{display:block}
.device-assumption{margin:8px 0 6px 26px;font-size:10px;line-height:1.65;color:#66714f}
.eyebrow{color:#69786c}
.site-header nav{gap:24px}
#experience{background:var(--surface);border-radius:16px;border-color:#d0d6cb;overflow:clip}
.experience-toolbar{padding:14px 18px;gap:12px}
.experience-toolbar .modes{background:#e8ebe3;padding:4px}
.experience-toolbar .modes button{min-height:40px;padding:0 16px;font-size:12px;color:#5f6d62}
.experience-toolbar .modes button[aria-pressed=true]{color:#234636;background:#fffefb;box-shadow:0 1px 4px #213e3214}
.tools{gap:4px;flex-shrink:0}
.tools button{font-size:12px;min-height:40px}
.content-toolbar{display:flex;justify-content:space-between;align-items:center;gap:18px;padding:10px 18px;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.content-toolbar .content-tabs{gap:4px;min-width:0}
.content-tabs .control-kicker{font-size:10px;letter-spacing:.8px;margin-right:7px;color:#68786a}
.content-toolbar .content-tabs button{min-height:36px;font-size:12px;padding:0 12px;color:#687365}
.content-toolbar .content-tabs button[aria-pressed=true]{color:#294b39;background:#e2e9dd;font-weight:600}
.settings-toggle{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid #c8d1c2;border-radius:7px;padding:0 13px;min-height:37px;flex-shrink:0;font-size:12px;color:#365541;background:#f5f7ef}
.settings-toggle svg{width:17px;height:17px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round}
.settings-toggle[aria-expanded=true]{background:var(--accent);border-color:var(--accent);color:#fff}
.compare-controls{background:#f2f4ed;padding:7px 18px;gap:12px;border-bottom:0}
.compare-controls .segmented{background:transparent;padding:0}
.compare-controls .segmented button{min-height:32px;font-size:11px}
.earth-controls{padding:10px 18px;border-top:0;border-bottom:1px solid var(--line);font-size:12px;background:#f1f4ec;gap:10px 20px}
.earth-controls small{display:none}
.earth-places strong{display:none}
.earth-places button{font-size:11px;min-height:34px}
.earth-controls label{font-size:11px}
.earth-controls select{font-size:11px}
.experience-workspace{display:grid;grid-template-columns:minmax(0,1fr);align-items:start;background:#e5e8df}
.preview-shell{min-width:0;overflow:hidden;background:#202722}
body:not([data-mode=split]) #viewport{width:100%;max-width:880px;margin-inline:auto}
.stage-caption{display:flex;justify-content:space-between;gap:12px;padding:11px 18px;background:#edf0e7;color:#687564;font-size:10px;line-height:1.6}
.stage-caption>span:first-child{white-space:nowrap}
.stage-caption #content-context{text-align:right;max-width:600px}
.control-panel{display:flex;flex-direction:column;background:#f7f8f1;border-left:1px solid #cfd7c8;min-width:0;min-height:0;max-height:790px;overflow:hidden}
.settings-navigation{flex-shrink:0;padding:17px 18px 0}
.panel-heading{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:13px}
.panel-heading strong{font-size:14px;font-weight:600;color:#314939}
.panel-heading button{font-size:23px;line-height:1;min-height:30px;width:30px;border-radius:5px;color:#7c8877}
.eye-selector{display:flex;justify-content:space-between;align-items:center;gap:12px;font-size:11px;color:#6c7868;margin-bottom:16px}
.eye-selector select{min-width:100px;padding:6px 9px;min-height:32px;border:1px solid #c8d2bf;border-radius:6px;color:#3c5440;background:#fffef8;font-size:11px}
.control-tabs{display:flex;gap:3px;padding:3px;background:#e6ebdf;border-radius:7px}
.control-tabs button{min-height:35px;font-size:12px;color:#687c63;flex:1;border-radius:5px;padding:0 7px}
.control-tabs button[aria-selected=true]{background:#fffef8;color:#294d37;box-shadow:0 1px 3px #2e493010;font-weight:600}
.settings-body{padding:20px 18px 24px;overflow-y:auto;min-height:0;scrollbar-width:thin;overscroll-behavior:contain}
.control-page{display:flex;flex-direction:column;gap:22px}
.control-page fieldset{min-width:0}
.control-page legend{font-size:11px;letter-spacing:.35px;margin-bottom:12px;font-weight:650;color:#405b44}
.control-page label{font-size:12px;color:#4d614b;margin:11px 0 7px;display:flex;justify-content:space-between;align-items:center;gap:8px;line-height:1.6}
.control-page select{width:100%;max-width:none!important;min-width:0;padding:9px 10px;min-height:38px;font-size:12px;background:#fffef8;border:1px solid #c9d1c1;border-radius:6px;color:#3e563e}
.control-page input[type=range]{display:block;width:100%;height:22px;margin:3px 0;accent-color:#567651;cursor:pointer}
.control-page input[type=checkbox]{width:15px;height:15px;flex-shrink:0;margin:0}
.control-page output{font-size:12px;color:#3f6143;font-variant-numeric:tabular-nums;white-space:nowrap}
.control-page p,.control-page small{font-size:11px;line-height:1.8;color:#78846d;margin:9px 0 0}
.control-page .check,.control-page .check-pair label{justify-content:flex-start;gap:8px}
.check-pair{display:grid;gap:2px;margin-top:9px}
.range-endpoints{display:flex;justify-content:space-between;color:#8a9481;font-size:10px;margin:0 0 12px}
.control-page .pass-controls{display:flex;white-space:normal;background:#e6ebdf;padding:3px;width:100%}
.control-page .pass-controls button{font-size:11px;padding:5px 8px;min-height:36px;flex:1;line-height:1.5;white-space:normal}
.control-page .pass-controls button[aria-pressed=true]{background:#365641;color:#fff}
.control-page .display-layers{margin-top:0}
.inline-help{border-top:1px solid #d9dfd0;font-size:11px;color:#76876b;margin-top:12px}
.inline-help>summary{padding:12px 0;list-style:none;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:11px;line-height:1.6;color:#5e7658}
.inline-help>summary::-webkit-details-marker{display:none}
.inline-help>summary:after{content:'+';font-size:17px;line-height:1;flex-shrink:0;color:#718568}
.inline-help[open]>summary:after{content:'−'}
.inline-help p{margin:0 0 10px;line-height:1.8}
.inline-help a,.reference-body a{color:#426b4a;text-decoration:underline;text-underline-offset:3px}
.control-panel .optical-lab{background:none;border:0;scroll-margin-top:0}
.control-panel .optical-lab-grid{display:grid;grid-template-columns:1fr!important;padding:0;border:0;gap:24px}
.control-panel .rx-explainer{display:block}
.control-panel .rx-modes{gap:3px;padding:3px;background:#e6ebdf;flex-wrap:wrap}
.control-panel .rx-modes button{padding:6px 7px;font-size:11px;min-height:35px}
.control-panel .rx-modes button:last-child{flex-basis:100%}
.control-panel .rx-eye-line{display:flex;flex-wrap:wrap;font-size:11px;gap:6px 12px;margin:14px 0}
.control-panel .rx-eye-line label{font-size:11px;margin:0}
.control-panel .rx-eye-line strong{font-size:11px}
.control-panel .setting-status{margin:0;font-size:10px;padding:9px 10px;border-radius:6px;background:#e8eddf;color:#63795b}
.control-panel .rx-key{font-size:10px;line-height:1.7;margin:0 0 10px;color:#86718d}
.reference-details{background:transparent;border:0;border-top:1px solid #d4dbcd}
.reference-details>summary{padding:15px 20px;font-size:12px;color:#60715c;line-height:1.6}
.reference-body{padding:0 20px 20px;color:#74826a;font-size:12px;line-height:1.9}
.reference-body>p{margin-bottom:14px}
.reference-body .structure-notes{padding:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;font-size:11px}
.reference-body .structure-notes span{display:block}
.reference-body .structure-notes b{display:block;margin:0 0 6px;font-size:12px}
.reference-body .inline-help{max-width:850px}
.calibration-readout{padding:13px 18px;gap:16px;font-size:11px;background:#f0f3e9;flex-wrap:wrap}
.headset-callout{margin-top:24px;padding:23px 28px;border-radius:12px;background:#e8eddf}
.headset-callout h2{font-size:22px;font-weight:500;letter-spacing:-.5px}
.headset-callout .eyebrow{font-size:9px;margin-bottom:8px}
.headset-callout p:not(.eyebrow){margin:8px 0 0;font-size:12px}
.headset-callout .headset-link{min-height:42px;font-size:12px;margin:0}
.section-heading h2{font-size:30px}
.section-heading>p{font-size:12px;line-height:1.8;max-width:400px;color:#6e7c65}
.fov-section,.product-section{padding-top:70px;padding-bottom:0;margin-bottom:65px}
.device-picker{border:1px solid #d8ded0;border-radius:12px;padding:20px;background:#f8f9f1}
.picker-top{display:block;padding-bottom:14px}
.picker-top strong{font-size:14px;color:#3c593f}
.picker-top>div{display:flex;gap:4px;margin-top:12px;flex-wrap:wrap}
.picker-top button{padding:6px 10px;border:1px solid #d0d9c6;border-radius:5px;font-size:11px;min-height:32px;color:#58734d}
.picker-top button:hover{background:#e6eddd}
.device-row{padding:16px 9px 14px}
.device-row b{font-size:13px;color:#4b6448}
.device-row label small{font-size:10px;color:#85927a;line-height:1.6}
.device-row .fov-value{font-size:18px;margin-top:9px}
.device-row .fov-value span{font-size:10px;line-height:1.6;color:#77896c}
.device-evidence{font-size:11px;line-height:1.8}
.device-evidence summary{font-size:10px}
.device-evidence dl{grid-template-columns:85px 1fr}
.device-picker-note{font-size:10px;margin:16px 7px 0;line-height:1.8;color:#819175}
.picker-method{margin:16px 6px 0}
.picker-method .assumption-toggle{font-size:11px;padding:4px 0 10px;line-height:1.6}
.picker-method .unknown-note{font-size:10px;margin:0 0 10px}
.multi-fov{grid-template-columns:minmax(0,1.65fr) minmax(290px,1fr);gap:28px;align-items:start}
.multi-fov .fov-chart{padding:24px;background:#e7ebdf;position:sticky;top:18px}
.chart-help{margin:20px 4px 0}
.chart-help .fov-method{font-size:11px;color:#76896a;text-align:left;margin:0 0 12px}
.chart-caption{font-size:11px;color:#768b68}
.fov-legend{margin:8px 0 18px}
.fov-legend button{font-size:11px}
.chart-top{font-size:10px}
.chart-top strong{font-size:11px}
.hardware-viewer{min-width:0}
.product-layout{grid-template-columns:minmax(0,1.6fr) minmax(280px,1fr);gap:44px;align-items:start}
.product-stage{height:465px;border-radius:12px 12px 0 0}
.hardware-controls{padding:16px 19px;background:#e9e7df;border:1px solid #d5d9ce;border-top:0;border-radius:0 0 12px 12px}
.hardware-views{display:flex;gap:4px;flex-wrap:wrap}
.hardware-views button{padding:6px 13px;font-size:11px;min-height:34px;border-radius:5px;color:#5e7060}
.hardware-views button[aria-pressed=true]{background:#fafaf4;color:#31523b;font-weight:600}
.hardware-layers{display:flex;gap:18px;margin-top:12px;flex-wrap:wrap}
.hardware-controls label{display:flex;align-items:center;gap:7px;font-size:11px;color:#5e7459;min-height:28px}
.hardware-controls .inline-help{margin-top:12px}
.hardware-controls .inline-help>summary{padding:10px 0}
.hardware-controls .component-legend{font-size:11px;margin:13px 0;gap:11px 20px;line-height:1.7}
.hardware-controls .structure-scale{font-size:11px;line-height:1.8;margin-top:10px}
.product-description{padding-top:28px;max-width:440px}
.product-description h3{font-size:27px;margin:11px 0 18px}
.product-description>p{font-size:13px;line-height:1.9;color:#687663}
.product-description li{display:grid;grid-template-columns:85px minmax(0,1fr);gap:12px;font-size:12px;line-height:1.8}
.product-description li span{width:auto}
.product-description .model-disclaimer{margin:0;font-size:11px;max-width:none}
.product-description .inline-help{margin-top:20px}



footer{display:grid;grid-template-columns:1fr auto;gap:16px 25px;padding:25px 0 35px}
body:not(.headset-page) footer{grid-template-columns:minmax(0,1fr) auto auto}
footer .wordmark{font-size:10px}
footer .reference-details{grid-column:1/-1;grid-row:2;border:0}
footer .reference-details>summary{padding:10px 0;font-size:11px}
footer .reference-body{padding:0}
footer .reference-body p{max-width:1050px;font-size:11px;line-height:1.9;color:#798870}
footer>a{font-size:11px;margin:0}

@media(min-width:1100px){
  body:not([data-mode=split]) #experience[data-settings-open=true] .experience-workspace{grid-template-columns:minmax(0,1fr) 296px}
  .control-panel{position:sticky;top:0;max-height:min(800px,calc(100dvh - 26px))}
  body[data-mode=split] .control-panel{grid-row:1;position:static;display:grid;grid-template-columns:220px minmax(0,1fr);border-left:0;border-bottom:1px solid var(--line);max-height:440px}
  body[data-mode=split] .settings-navigation{border-right:1px solid #d8dfd0;padding-bottom:18px}
  body[data-mode=split] .control-page:not([hidden]){display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
  body[data-mode=split] .control-page .display-layers{grid-column:1/-1;margin-top:0}
  body[data-mode=split] .control-panel .optical-lab-grid{grid-column:1/-1;grid-template-columns:1fr 1fr!important}
  body[data-mode=split] .control-panel .setting-status{grid-column:1/-1}
}
@media(max-width:1099px){
  .control-panel{grid-row:1;border-left:0;border-bottom:1px solid #cfd7c8;max-height:520px}
  .settings-navigation{padding:15px 18px 0}
  .panel-heading{margin-bottom:7px}
  .eye-selector{margin-bottom:12px}
  .control-tabs{max-width:420px}
  .settings-body{padding-top:16px}
  .control-page:not([hidden]){display:grid;grid-template-columns:1fr 1fr;gap:20px}
  .control-page .display-layers{grid-column:1/-1}
  .control-panel .setting-status,.control-panel .optical-lab-grid{grid-column:1/-1}
  .control-panel .optical-lab-grid{grid-template-columns:1fr 1fr!important}
  .multi-fov{gap:20px;grid-template-columns:minmax(0,1.25fr) minmax(275px,1fr)}
  .device-picker{padding:15px}
  .product-layout{gap:28px}
  .content-toolbar{gap:8px;padding-inline:12px}
  .content-toolbar .content-tabs button{padding:0 9px;font-size:11px}
}
@media(max-width:700px){
  .intro{padding:25px 0 22px}.intro-copy{font-size:12px;max-width:360px}h1{font-size:27px}
  .perception-note{padding:17px 18px;margin-bottom:18px}
  .perception-note h2{font-size:16px}
  .perception-comparison{grid-template-columns:1fr;gap:13px;margin-top:13px}
  .perception-comparison p{font-size:12px}
  .perception-comparison p+p{border-left:0;padding-left:0}
  .experience-toolbar{padding:10px;gap:8px}
  .experience-toolbar .modes{width:100%;flex-wrap:nowrap;overflow-x:auto}
  .experience-toolbar .modes button{font-size:11px;padding:0 8px;min-width:0;min-height:37px}
  .tools{width:100%;gap:6px}
  .tools button{font-size:11px;min-height:34px}
  .content-toolbar{align-items:flex-start;padding:10px;gap:8px}
  .content-toolbar .content-tabs{display:flex;flex-wrap:nowrap;overflow-x:auto;width:auto;flex:1;gap:2px;scrollbar-width:thin;padding-bottom:3px}
  .content-toolbar .content-tabs button{flex-shrink:0;font-size:11px;padding:0 10px;min-height:35px}
  .settings-toggle{padding:0 10px;min-height:35px;font-size:11px;gap:6px}
  .settings-toggle svg{width:15px;height:15px}
  .compare-controls{padding:7px 11px;gap:6px}
  .compare-pairs{width:100%;gap:2px}
  .compare-controls .segmented button{font-size:10px;padding:0 7px}
  .earth-controls{padding:9px 12px;font-size:11px;gap:10px}
  .earth-places{width:100%}.earth-places button{flex:1;font-size:11px}
  .earth-controls label{font-size:10px;min-width:0}
  .earth-controls select{font-size:10px;max-width:125px}
  .earth-controls input{width:70px;min-width:30px;max-width:100px}
  .control-panel{max-height:min(520px,65dvh)}
  .settings-navigation{padding:12px 14px 0}
  .panel-heading strong{font-size:13px}.panel-heading{margin-bottom:6px}
  .eye-selector{font-size:11px;margin-bottom:12px}
  .control-tabs{max-width:none}.control-tabs button{font-size:12px;min-height:37px}
  .settings-body{padding:17px 14px 20px}
  .control-page:not([hidden]){display:flex;gap:22px}
  .control-panel .optical-lab-grid{grid-template-columns:1fr!important}
  .control-panel .rx-modes button:last-child{flex-basis:auto}
  .control-panel .rx-modes button{font-size:11px;padding:7px}
  .stage-caption{font-size:10px;padding:10px 13px;display:block}
  .stage-caption #content-context{display:none}
  .reference-details>summary{padding:13px 15px;font-size:11px}
  .reference-body{padding:0 15px 17px;font-size:11px}
  .reference-body .structure-notes{display:block;font-size:11px}
  .reference-body .structure-notes span+span{margin-top:17px}
  .headset-callout{padding:21px 19px;margin-top:20px}
  .headset-callout h2{font-size:21px}.headset-callout .headset-link{margin-top:18px;width:100%}
  .section-heading h2{font-size:26px}.section-heading>p{font-size:12px;line-height:1.8;margin-top:12px}
  .fov-section,.product-section{padding-top:49px;margin-bottom:40px}
  .multi-fov{display:flex;gap:20px}.multi-fov .fov-chart{position:static;padding:18px 10px;width:100%}
  .device-picker{width:100%;padding:18px 15px}.device-picker-note{font-size:11px}
  .picker-top>div{gap:5px}.picker-top button{font-size:11px;padding:7px 11px}
  .device-row{padding:15px 10px}.device-row b{font-size:14px}
  .fov-legend button{font-size:10px}.chart-help{margin-inline:5px}
  .product-layout{display:block}.product-stage{height:400px}
  .hardware-controls{padding:13px 14px}.hardware-views button{padding:6px 11px;font-size:11px}
  .product-description{padding:26px 4px 0;max-width:none}
  .product-description>p{font-size:13px}.product-description .model-disclaimer{font-size:11px}
  footer{display:flex;flex-wrap:wrap;gap:16px;font-size:11px}
  footer .wordmark{width:100%}footer .reference-details{width:100%;order:3}
  footer p{margin:0}
}
/* The headset entry uses the same primary/secondary control hierarchy. */
.xr-primary-controls{display:flex;gap:25px;padding:17px 20px;background:#f7f8f0;border-bottom:1px solid var(--line)}
.xr-primary-controls label{display:flex;align-items:center;gap:13px;flex:0 1 auto;font-size:12px;color:#5b6f55}
.xr-primary-controls select{font-size:12px;min-height:39px}
.xr-workspace{display:grid;grid-template-columns:minmax(0,1fr) 296px;align-items:start;background:#eef0e6}
.xr-preview-column{min-width:0;background:#101616}
.xr-workspace #xr-stage{height:65vh;max-height:760px;min-height:450px}
.xr-setting-panel{display:flex;flex-direction:column;gap:19px;align-items:stretch;padding:20px;border-left:1px solid var(--line);background:#f7f8f0;min-width:0}
.xr-setting-panel .panel-heading{margin:0;font-size:14px}
.xr-setting-panel label{display:grid;gap:8px;font-size:12px;color:#4d6449}
.xr-setting-panel select{font-size:12px;min-height:38px;width:100%;max-width:100%;min-width:0}
.xr-setting-panel #xr-aura-settings{display:grid;grid-template-columns:1fr auto;gap:9px;width:100%;align-items:center}
.xr-setting-panel #xr-dimming{width:100%;grid-row:2;grid-column:1/-1}
.xr-setting-panel #xr-dim-value{grid-column:2;grid-row:1;font-size:12px}
.xr-setting-panel .xr-guide-toggle{display:flex;font-size:12px;gap:8px}
.xr-setting-panel #xr-recenter{font-size:12px;border:1px solid #cbd6c2;background:#e9efdf;border-radius:6px;margin:0;min-height:38px}
.xr-setting-panel .inline-help{margin:0}
.xr-setting-panel .xr-description{padding:0;font-size:11px;line-height:1.8;color:#77896c}
.xr-reference{margin-top:24px;border:1px solid #d3dcc9;border-radius:10px}
.xr-help{padding:6px 22px 25px;gap:35px}
.xr-help h2{font-size:17px;font-weight:500}
.xr-help p{font-size:12px}
.headset-page .sdk-notes summary{font-size:12px}
.headset-page .sdk-notes{background:#f7f8f0}


#xr-projection-values{white-space:pre-wrap;overflow-wrap:anywhere}
.headset-page footer{margin-top:35px}
.headset-page footer p{font-size:11px;margin:0}
@media(max-width:1099px){
  .xr-workspace{grid-template-columns:minmax(0,1fr)}
  .xr-setting-panel{display:grid;grid-template-columns:1fr 1fr;gap:18px;border-left:0;border-top:1px solid var(--line)}
  .xr-setting-panel .panel-heading,.xr-setting-panel .inline-help{grid-column:1/-1}
}
@media(max-width:700px){
  .xr-primary-controls{gap:12px;padding:14px}
  .xr-primary-controls label{display:grid;gap:7px;flex:1;min-width:0;font-size:11px}
  .xr-primary-controls select{font-size:11px;width:100%;min-width:0;padding:8px 6px}
  .xr-setting-panel{padding:17px 15px;gap:18px 14px}
  .xr-setting-panel label,.xr-setting-panel select{font-size:11px}
  .xr-setting-panel #xr-recenter{font-size:11px}
  .xr-preview-column .stage-caption>span{display:block;white-space:normal}
  .xr-preview-column .stage-caption>span+span{margin-top:3px}
  .xr-workspace #xr-stage{height:58vh;min-height:360px}
  .xr-help{display:block;padding:0 16px 20px}
  .xr-help article+article{margin-top:24px}
  .xr-help h2{font-size:17px}.xr-help p{font-size:12px}
  .headset-page .intro .headset-link{width:100%;margin-top:20px}
}
/* Fullscreen keeps settings available without changing the viewing angles. */
#experience:fullscreen .experience-workspace{flex:1;min-height:0;align-items:stretch}
#experience:fullscreen .preview-shell{display:flex;flex-direction:column;min-height:0}
#experience:fullscreen #viewport{width:100%;max-width:none;flex:1;height:auto!important;min-height:0!important}
#experience:fullscreen .stage-caption,#experience:fullscreen .experience-reference{display:none}
#experience:fullscreen .control-panel{max-height:100%;position:static}
#experience:fullscreen .optical-lab:not([hidden]){display:flex}
#experience:fullscreen .content-toolbar{padding-block:5px;flex-shrink:0}
@media(max-width:1099px){#experience:fullscreen .control-panel{max-height:44dvh}}
@media(max-height:540px) and (orientation:landscape){
  .experience-toolbar{flex-wrap:nowrap}.tools{width:auto}.experience-toolbar .modes{width:auto;flex:1}
  .experience-toolbar .modes button{padding-inline:9px;font-size:10px;min-height:31px}
  #experience:fullscreen .control-panel{display:flex;grid-column:2;grid-row:1;max-height:100%;border-left:1px solid var(--line);width:280px}
  #experience:fullscreen[data-settings-open=true] .experience-workspace{grid-template-columns:minmax(0,1fr) 280px}
  #experience:fullscreen .control-page:not([hidden]){display:flex}
  #experience:fullscreen .control-panel .optical-lab-grid{grid-template-columns:1fr!important}
  #experience:fullscreen .earth-controls{display:none}
}

.control-panel .field-reference-note{margin:8px 0 12px;font-size:11px;line-height:1.65;color:var(--muted,#6e7c68)}

.field-reference-outline{position:absolute;pointer-events:none}
.field-reference-outline path{fill:none;stroke:#88a5b2;stroke-opacity:.8;stroke-width:1;vector-effect:non-scaling-stroke}