:root{color-scheme:light;--ink:#132b3a;--muted:#5f7079;--line:#dce4e4;--paper:#f4f7f6;--mint:#2b937a;--mint-soft:#e3f1eb;--orange:#d77747;--panel:#102432;--white:#fff;font-family:Inter,"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-synthesis:none}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-size:14px;line-height:1.6}button,input,select{font:inherit}button,a,input,select,summary{-webkit-tap-highlight-color:transparent}a{color:inherit;text-underline-offset:4px}button{cursor:pointer}button:focus-visible,a:focus-visible,summary:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #c16d35;outline-offset:4px}.skip-link{position:absolute;left:16px;top:-80px;background:#fff;padding:10px 18px;z-index:5}.skip-link:focus{top:10px}.site-header{max-width:1540px;margin:auto;padding:24px 44px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-size:23px;letter-spacing:-.8px;text-decoration:none;display:flex;gap:7px;align-items:center;font-weight:700}.brand b{font-weight:400}.brand-symbol{font-size:36px;font-weight:400;line-height:1;color:var(--mint);margin-right:5px}.version{font-size:10px;letter-spacing:1px;border:1px solid #ccd7d5;padding:2px 7px;border-radius:4px;margin-left:13px;color:var(--muted);font-weight:500}.header-note{font-size:11px;letter-spacing:.35px;display:flex;align-items:center;gap:8px;color:var(--muted)}.live-dot{height:6px;width:6px;border-radius:50%;background:var(--mint)}.slash{margin:0 8px;color:#acb8bc}main{max-width:1540px;margin:auto;padding:0 44px}.intro{display:flex;justify-content:space-between;align-items:flex-end;padding:40px 0 35px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:2.1px;color:var(--mint);margin:0 0 12px}h1,h2,h3,p{margin-top:0}h1{font-size:36px;letter-spacing:-1.5px;line-height:1.35;font-weight:700;margin-bottom:12px}h1 span{font-weight:400}.lead{color:var(--muted);font-size:14px;margin:0}.model-link{font-size:12px;text-decoration:none;padding-bottom:4px;border-bottom:1px solid #acbbb7;white-space:nowrap;margin-bottom:4px}.model-link span{margin-left:14px}.experiment{display:grid;grid-template-columns:284px minmax(0,1fr);background:var(--white);border:1px solid var(--line);border-radius:12px;overflow:hidden;box-shadow:0 8px 28px #23342e03}.controls{padding:25px 22px 24px;background:#f9fbfa;border-right:1px solid var(--line)}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.section-head h2{font-size:15px;font-weight:650;margin:0}.small-index{font-size:8px;letter-spacing:1px;color:#7b8b8f}.preset-field{border:0;margin:0 0 25px;padding:0}.preset-field legend{color:var(--muted);font-size:10px;margin-bottom:9px}.preset-list{display:flex;gap:5px}.preset{background:white;border:1px solid #d6dfdc;color:#53676b;border-radius:5px;font-size:10px;line-height:1.3;min-height:33px;padding:7px 9px;flex:1;white-space:nowrap}.preset:hover{border-color:var(--mint)}.preset.active{background:var(--ink);color:white;border-color:var(--ink)}.control-group{margin-bottom:23px}.control-title{display:flex;justify-content:space-between;align-items:center;gap:6px}.control-title label{font-weight:650;font-size:12px;white-space:nowrap}.control-title label span{display:block;color:var(--muted);font-weight:400;font-size:10px;margin-top:1px;line-height:1.4}.control-title output{font-size:12px;color:var(--mint);font-variant-numeric:tabular-nums;white-space:nowrap;font-family:ui-monospace,SFMono-Regular,Consolas,monospace}input[type=range]{width:100%;height:22px;display:block;accent-color:var(--mint);margin:10px 0 1px;cursor:pointer}input[type=range]::-webkit-slider-runnable-track{height:4px;background:#d9e4df;border-radius:4px}input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;margin-top:-5px;width:14px;height:14px}input[type=range]{appearance:none;background:transparent}input[type=range]::-webkit-slider-thumb{appearance:none;background:var(--mint);border:3px solid white;border-radius:50%;box-shadow:0 0 0 1px var(--mint)}input[type=range]::-moz-range-track{height:4px;background:#d9e4df}input[type=range]::-moz-range-thumb{width:11px;height:11px;border:2px solid #fff;background:var(--mint);border-radius:50%;box-shadow:0 0 0 1px var(--mint)}.range-label{display:flex;justify-content:space-between;font-size:9px;color:#72837e}.control-help{font-size:9px;line-height:1.6;color:#697b77;margin:7px 0 0}.recovery-control{padding-top:20px;border-top:1px solid var(--line);margin-bottom:21px}.target-control{display:flex;justify-content:space-between;align-items:center;font-size:11px;margin:15px 0}.target-control select{border:1px solid #d8e2de;background:white;border-radius:5px;padding:6px;color:var(--ink);font-size:10px;max-width:145px}.control-actions{display:flex;justify-content:space-between;border-top:1px solid var(--line);padding-top:15px;gap:8px}.text-button{border:0;background:none;padding:2px 0;min-height:30px;color:var(--mint);font-size:10px}.text-button:hover{text-decoration:underline}.local-note{color:#6f8079;font-size:9px;line-height:1.8;margin:14px 0 0}.results{padding:25px 26px 20px;min-width:0}.results-top{display:flex;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px}.results-top .eyebrow{margin-bottom:3px;font-size:8px;letter-spacing:1.7px}.results-top h2{font-size:17px;font-weight:600;margin:0}.status{font-size:9px;color:var(--muted);border:1px solid #e0e7e4;padding:4px 9px;border-radius:20px;white-space:nowrap}.status.error{color:#a82e23;background:#fff1f0;border-color:#e3a79e}.images-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.image-card{margin:0;border:1px solid var(--line);border-radius:8px;overflow:hidden;min-width:0;background:#fff}.image-card figcaption{display:flex;gap:8px;align-items:center;padding:11px 11px;min-height:64px}.step{color:var(--mint);font-size:10px;font-family:ui-monospace,monospace;align-self:flex-start;margin-top:3px}.image-card strong{font-size:12px;display:block;font-weight:650}.image-card small{font-size:9px;color:var(--muted);display:block}.tag{margin-left:auto;font-size:6px;letter-spacing:.8px;border:1px solid #e0e6e3;border-radius:3px;padding:2px 4px;color:#64756e}.tag.mint{border-color:#b3d7cb;color:#32816c;background:#f1faf6}.image-wrap{background:#070b0d;padding:0;line-height:0;aspect-ratio:1}.image-wrap canvas{width:100%;height:100%;image-rendering:auto}.image-foot{display:flex;align-items:center;justify-content:space-between;padding:9px 12px;font-size:9px;color:var(--muted)}.image-foot b{font-family:ui-monospace,monospace;font-size:11px;font-weight:500;color:var(--ink)}.recovered-card{border-color:#b4d6c9}.recovered-card .image-foot b{color:#277b62}.insight{display:flex;gap:10px;align-items:center;margin:15px 0 20px;padding:11px 13px;border-radius:6px;background:#edf6f1;color:#36594b;min-height:45px}.insight p{font-size:10px;line-height:1.6;margin:0;flex:1}.insight-icon{font-size:18px}.gain{font-family:ui-monospace,monospace;font-size:11px;font-weight:600;white-space:nowrap}.optics-grid{display:grid;grid-template-columns:1fr 1fr 1.8fr;gap:14px}.optics-card{background:#f7f9f8;border:1px solid #e1e7e4;border-radius:8px;padding:12px 13px 0;min-width:0;overflow:hidden}.chart-heading{display:flex;align-items:center;justify-content:space-between;gap:5px}.chart-heading h3{font-size:11px;font-weight:650;white-space:nowrap;margin:0}.chart-heading>span{font-size:7px;letter-spacing:1.2px;color:#788982}.small-canvas-wrap{height:130px;display:flex;align-items:center;justify-content:center;margin-top:9px}.small-canvas-wrap canvas{width:128px;height:128px;border-radius:5px;max-width:100%;object-fit:contain}.wavefront-card canvas{width:128px;height:128px}.chart-caption{font-size:8px;line-height:1.6;text-align:center;color:#62766b;margin:8px 0 13px;white-space:nowrap}.color-key{display:flex;align-items:center;gap:7px;margin:3px auto -3px;max-width:95px;font-size:8px;color:#66796e;height:9px}.color-key i{width:80px;background:linear-gradient(90deg,#478caf,#e3ece4,#dd8a52);height:4px;border-radius:3px}.small-metric{display:flex;align-items:center;justify-content:space-between;gap:4px;border-top:1px solid #e0e7e2;padding:10px 0;font-size:8px;color:#63746e;margin-top:auto}.small-metric b{font-family:ui-monospace,monospace;font-size:10px;font-weight:500;color:var(--ink);white-space:nowrap}.toggle-label{font-size:8px;color:#657a6e;display:flex;gap:2px;align-items:center;cursor:pointer}.toggle-label input{accent-color:var(--mint);margin:0 2px 0 0;width:11px;height:11px}.psf-card .small-canvas-wrap{background:#0a1922;border-radius:5px}.psf-card .chart-caption{margin-top:20px}.mtf-card{display:flex;flex-direction:column}.legend{display:flex;gap:12px;align-items:center;font-size:8px;color:#61766a;margin-top:9px}.legend span:before{content:'';display:inline-block;width:12px;height:2px;vertical-align:middle;margin-right:4px}.legend-x:before{background:var(--mint)}.legend-y:before{background:var(--orange)}.legend-ideal:before{background:#81918f}.mtf-card svg{width:100%;height:auto;flex:1;min-height:120px;overflow:visible}#mtf-grid line{stroke:#dfe7e2;stroke-width:1}#mtf-grid text{fill:#61756a;font-size:12px;font-family:inherit}#mtf-ideal{fill:none;stroke:#7a8e85;stroke-width:2;stroke-dasharray:5 4}#mtf-x{fill:none;stroke:var(--mint);stroke-width:2.8}#mtf-y{fill:none;stroke:var(--orange);stroke-width:2;stroke-dasharray:2 3}.mtf-card .chart-caption{margin:2px 0 13px}.display-note{font-size:9px;line-height:1.7;color:#71817a;margin:14px 0 0}.model-section{display:grid;grid-template-columns:284px minmax(0,1fr);gap:26px;padding:46px 0 40px}.model-heading h2{font-size:24px;letter-spacing:-.8px;font-weight:500;margin-bottom:12px}.model-heading>p:last-child{font-size:12px;color:var(--muted);line-height:1.9;max-width:230px}.model-content{padding-left:0}.model-content details{border-bottom:1px solid #d8e2dd;padding:0 0 14px;margin-bottom:15px}.model-content summary{font-size:12px;font-weight:600;cursor:pointer;padding:1px 0;list-style:none;position:relative}.model-content summary:after{content:'+';position:absolute;right:4px;font-size:17px;font-weight:400;color:var(--mint)}.model-content details[open] summary:after{content:'−'}.model-content details p{font-size:11px;line-height:1.9;color:#607267;margin:12px 30px 0 0;max-width:900px}.sources{display:flex;gap:18px;flex-wrap:wrap;color:#61756a;font-size:9px;padding-top:4px}.sources>span{color:#87938b}footer{max-width:1540px;margin:auto;border-top:1px solid var(--line);padding:19px 44px 25px;display:flex;justify-content:space-between;font-size:9px;color:#6f8078}.footer-separator{margin:0 10px;color:#b1bcb5}.noscript{position:fixed;bottom:0;width:100%;padding:16px;background:#fff4da;color:#744c00;text-align:center}@media(min-width:1450px){.results{padding:29px 30px}.small-canvas-wrap{height:151px}.small-canvas-wrap canvas{width:145px;height:145px}.psf-card .small-canvas-wrap canvas{width:151px;height:151px}.optics-card{padding-left:16px;padding-right:16px}.mtf-card svg{min-height:151px}.image-card figcaption{padding:12px 15px}}@media(max-width:1180px){main{padding:0 26px}.site-header{padding:20px 26px}.experiment{grid-template-columns:250px minmax(0,1fr)}.controls{padding:22px 17px}.results{padding:22px 18px}.images-grid,.optics-grid{gap:9px}.tag{display:none}.optics-grid{grid-template-columns:1fr 1fr}.mtf-card{grid-column:1/-1}.mtf-card svg{max-height:190px}.small-canvas-wrap{height:145px}.psf-card .chart-caption{margin-top:20px}.model-section{grid-template-columns:250px minmax(0,1fr);gap:18px}.model-heading h2{font-size:22px}.status{font-size:8px}.results-top h2{font-size:15px}.chart-caption{font-size:9px}.small-metric{font-size:10px}footer{padding-left:26px;padding-right:26px}}@media(max-width:840px){.intro{padding-top:28px}h1{font-size:30px}.experiment{grid-template-columns:1fr}.controls{display:grid;grid-template-columns:1fr 1fr;column-gap:26px;padding:22px;border-right:0;border-bottom:1px solid var(--line)}.section-head,.preset-field{grid-column:1/-1}.section-head{margin-bottom:15px}.preset-field{margin-bottom:22px}.preset-list{max-width:430px}.preset{font-size:11px}.control-group{margin-bottom:15px}.recovery-control{border:0;padding-top:0}.target-control{margin:0}.control-actions{border:0;padding:0}.local-note{grid-column:1/-1;margin-top:12px;font-size:10px}.control-help{font-size:10px}.control-title label{font-size:13px}.control-title label span{font-size:10px}.range-label{font-size:9px}.results{padding:22px}.results-top h2{font-size:18px}.results-top .eyebrow{font-size:9px}.optics-grid{grid-template-columns:1fr 1fr 1.8fr}.mtf-card{grid-column:auto}.chart-caption{font-size:8px}.small-metric{font-size:8px}.small-canvas-wrap{height:125px}.small-canvas-wrap canvas{width:120px;height:120px}.mtf-card svg{min-height:120px}.images-grid,.optics-grid{gap:12px}.model-section{grid-template-columns:1fr;gap:16px;padding-top:33px}.model-heading>p:last-child{max-width:none}.model-heading h2{margin-bottom:7px}.model-heading .eyebrow{margin-bottom:8px}.model-content details p{font-size:12px}.sources{font-size:10px}.image-card figcaption{min-height:62px}.model-link{font-size:11px}.header-note{font-size:10px}}@media(max-width:600px){.site-header{padding:16px 18px}.brand{font-size:20px}.brand-symbol{font-size:30px}.version{display:none}.header-note{font-size:9px}.header-note .slash,.header-note .slash+*{display:none}.header-note{font-size:0}.header-note .live-dot:after{content:'本地计算';font-size:9px;white-space:nowrap;display:block;padding-left:12px;transform:translateY(-5px)}.header-note{width:65px}main{padding:0 14px}.intro{display:block;padding:28px 4px 23px}h1{font-size:29px;letter-spacing:-1px}.eyebrow{font-size:9px}.lead{font-size:12px;line-height:1.9;max-width:320px}.model-link{display:inline-block;margin-top:13px;font-size:10px}.controls{padding:19px 17px;column-gap:20px}.small-index{font-size:8px}.control-title{align-items:flex-start}.control-title label{font-size:12px}.control-title label span{font-size:8px}.control-title output{font-size:10px}.control-help{font-size:9px}.range-label{font-size:8px}.target-control{font-size:10px;gap:6px;display:block}.target-control select{display:block;width:100%;font-size:11px;margin-top:6px}.control-actions{display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:0}.text-button{font-size:10px;min-height:29px}.local-note{font-size:9px}.results{padding:19px 13px 16px}.results-top{margin-bottom:15px;align-items:flex-start}.results-top h2{font-size:16px}.results-top .eyebrow{font-size:7px;letter-spacing:1.2px}.status{font-size:7px;padding:4px 6px;margin-top:5px}.images-grid{gap:7px}.image-card figcaption{padding:8px 7px;gap:4px;min-height:55px}.step{font-size:8px;margin-top:2px}.image-card strong{font-size:10px}.image-card small{font-size:6px;line-height:1.6}.image-foot{padding:7px 7px;font-size:7px;display:block}.image-foot b{font-size:9px;display:block}.image-wrap{border-radius:0}.insight{margin:12px 0 15px;padding:9px 10px;gap:7px;align-items:flex-start}.insight p{font-size:9px}.gain{font-size:9px;align-self:center}.insight-icon{font-size:15px}.optics-grid{grid-template-columns:1fr 1fr;gap:10px}.mtf-card{grid-column:1/-1}.mtf-card svg{max-height:180px}.optics-card{padding:11px 11px 0}.chart-heading h3{font-size:11px}.chart-heading>span{font-size:6px}.small-canvas-wrap{height:137px}.small-canvas-wrap canvas{width:128px;height:128px}.small-metric{font-size:9px}.chart-caption{font-size:8px}.legend{font-size:9px;margin-bottom:0}.display-note{font-size:8px}.model-section{padding:28px 4px}.model-heading h2{font-size:22px}.model-heading>p:last-child{font-size:11px}.model-content summary{font-size:12px}.model-content details p{font-size:11px;margin-right:10px}.sources{gap:8px 15px;font-size:9px}.sources>span{width:100%}footer{padding:16px 18px 24px;display:block;font-size:9px}footer>span{display:block}footer>span+span{margin-top:5px}}@media(prefers-reduced-motion:no-preference){button,a{transition:background-color .15s,border-color .15s,color .15s}}@media print{.controls,.site-header,.model-link{display:none}.experiment{display:block}.results{padding:0}.model-content details{display:block}main{padding:0}.intro{padding-top:0}footer{padding-left:0}.model-section{display:block}.model-heading>p:last-child{max-width:none}}

/* Diagnostic extension: vector plots remain sharp on high-DPI screens. */
.inspection-bar{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin:0 0 14px;font-size:10px;color:var(--muted)}
.inspection-bar select,.probe-controls select{padding:6px 8px;background:white;border:1px solid var(--line);border-radius:5px;color:var(--ink);font-size:11px;max-width:100%}
.inspection-bar>span{margin-left:auto;font-size:9px}.explorer{border:1px solid var(--line);border-radius:8px;padding:18px;margin-top:20px;background:#fbfcfb}
.explorer .chart-heading h3{white-space:normal;font-size:13px}.explorer-intro{font-size:11px;color:var(--muted);margin:10px 0 16px}.probe-controls{display:grid;grid-template-columns:minmax(0,1fr) 130px;gap:28px;font-size:11px}.probe-controls output{float:right;font-family:ui-monospace,monospace;color:var(--mint);font-size:10px}.probe-controls select{display:block;margin-top:7px;width:100%}
.explorer svg{width:100%;height:auto;display:block;margin-top:10px;overflow:visible}.explorer svg text{fill:var(--muted);font-size:9px}.probe-grid{fill:none;stroke:#dae4de;stroke-width:1}#probe-original{fill:none;stroke:#8a9792;stroke-width:1.8;stroke-dasharray:5 4}#probe-blurred{fill:none;stroke:var(--orange);stroke-width:2.5}#probe-recovered,#energy-path{fill:none;stroke:var(--mint);stroke-width:2.5}.probe-legend{display:flex;flex-wrap:wrap;gap:5px 16px;font-size:9px;color:var(--muted)}.probe-legend span:nth-child(2){color:var(--orange)}.probe-legend span:nth-child(3){color:var(--mint)}.probe-note{font-size:11px;line-height:1.9;margin:12px 0 0;padding:10px;background:var(--mint-soft);border-radius:5px;font-variant-numeric:tabular-nums}.diagnostic-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:20px;border-top:1px solid var(--line);padding-top:16px}.diagnostic-grid h4{margin:0 0 8px;font-size:12px}.diagnostic-grid p{font-size:10px;color:var(--muted);line-height:1.9;margin:8px 0 0}.diagnostic-grid svg{max-height:150px}
@media(max-width:600px){.inspection-bar>span{width:100%;margin-left:0}.explorer{padding:12px}.probe-controls{gap:12px;grid-template-columns:minmax(0,1fr) 95px}.probe-controls output{float:none;display:block}.diagnostic-grid{grid-template-columns:1fr;gap:18px}.explorer .chart-heading>span{display:none}.probe-note{font-size:10px}}

.resolution-help{grid-column:1/-1;margin:0 0 15px}