@font-face{font-family:FieldSans;src:local('Microsoft YaHei')}@font-face{font-family:FieldMono;src:local('Cascadia Mono'),local('Consolas')}
:root{color-scheme:dark;--bg:#0b1018;--surface:#101824;--surface-2:#141e2b;--surface-3:#1b2939;--line:rgba(164,186,215,.13);--line-strong:rgba(164,186,215,.23);--text:#edf2f7;--secondary:#b9c6d8;--muted:#7b8ca3;--faint:#526277;--cyan:#76dcc8;--orange:#e6a46a;--sans:Inter,'Segoe UI',FieldSans,'PingFang SC',sans-serif;--mono:FieldMono,'SFMono-Regular',monospace}
*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--text);font:14px/1.65 var(--sans);-webkit-font-smoothing:antialiased}button,input,select,textarea{font:inherit}button,a,input,textarea,select{-webkit-tap-highlight-color:transparent}button{cursor:pointer;color:inherit;border:0}button:disabled{cursor:default;opacity:.38}button,a,select,input,textarea{outline-offset:4px}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--cyan)}a{color:inherit;text-decoration:none}button,select{touch-action:manipulation}input,textarea{accent-color:var(--cyan)}::selection{color:#07130f;background:var(--cyan)}[hidden]{display:none!important}.icon-defs{position:absolute;width:0;height:0;overflow:hidden}.icon{display:inline-block;width:19px;height:19px;fill:none;stroke:currentColor;stroke-width:1.5;stroke-linecap:round;stroke-linejoin:round;vertical-align:middle;flex:none}.icon.small{width:14px;height:14px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.rail{position:fixed;inset:0 auto 0 0;width:80px;z-index:40;background:#0d141e;border-right:1px solid var(--line);display:flex;align-items:center;flex-direction:column;padding:29px 0 19px}.rail-mark{position:relative;width:31px;height:31px;display:grid;grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);gap:7px;justify-content:center;align-content:center}.rail-mark span{border:1.3px solid var(--cyan);opacity:.8}.rail-mark span:nth-child(2){background:var(--cyan);opacity:1}.rail-mark i{position:absolute;width:4px;height:4px;border-radius:50%;background:var(--cyan);left:13.5px;top:13.5px}.rail-caption{font:8px var(--mono);letter-spacing:1.8px;color:var(--faint);margin:57px 0 20px}.rail-nav{width:100%;display:grid;gap:12px;padding:0 9px}.rail-link{position:relative;display:flex;align-items:center;flex-direction:column;gap:7px;background:transparent;color:var(--muted);border:1px solid transparent;border-radius:10px;padding:15px 4px 11px;min-height:81px;font-size:11px;letter-spacing:1px;transition:color .2s,background .2s,border-color .2s}.rail-link .icon{width:22px;height:22px;stroke-width:1.35}.rail-number{position:absolute;right:5px;top:3px;font:8px var(--mono);letter-spacing:0;color:var(--faint)}.rail-link:hover{color:var(--text);background:var(--surface-2)}.rail-link.active{color:var(--cyan);background:rgba(118,220,200,.065);border-color:rgba(118,220,200,.2)}.rail-link.active::before{content:'';position:absolute;left:-10px;top:27px;height:24px;width:2px;background:var(--cyan);box-shadow:0 0 18px #76dcc840}.rail-link.active .rail-number{color:#7ea99f}.rail-bottom{margin-top:auto;display:flex;align-items:center;flex-direction:column;width:100%;gap:21px}.rail-line{width:24px;border-top:1px solid var(--line);margin-top:32px}.rail-course{background:none;color:var(--muted);display:flex;flex-direction:column;align-items:center;gap:6px;font-size:10px;padding:9px}.rail-course:hover{color:var(--cyan)}.rail-version{font:8px var(--mono);letter-spacing:1.5px;color:var(--faint)}.app-shell{margin-left:80px}.topbar{height:83px;padding:0 40px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:20px;background:#0c121bbf}.brand{display:flex;gap:20px;align-items:center;white-space:nowrap}.brand strong{font-size:19px;font-weight:550;letter-spacing:3px}.brand-divider{height:17px;width:1px;background:var(--line-strong)}.brand-en{font:12px var(--mono);letter-spacing:1.3px;color:var(--secondary)}.brand-en span,.footer-brand span{color:var(--cyan);margin:0 3px}.top-actions{display:flex;gap:24px;align-items:center}.local-status{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:11px;letter-spacing:.4px}.local-status i{width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 10px #76dcc830}.button,.text-button,.icon-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:background .18s,color .18s,border-color .18s;white-space:nowrap}.button{min-height:37px;border-radius:5px;padding:8px 13px;border:1px solid rgba(118,220,200,.28);background:#152c2b;color:#a4e5d9;font-size:12px;font-weight:500}.button .icon{width:16px;height:16px}.button:hover{background:#1c3b36;border-color:#76dcc86e}.button.secondary{border-color:var(--line-strong);background:#151f2c;color:var(--secondary)}.button.secondary:hover{background:#1e2d3f;color:var(--text)}.text-button{padding:5px 0;background:none;font-size:12px;color:var(--secondary);line-height:1.4}.text-button:hover{color:var(--cyan)}.text-button .icon{width:16px;height:16px}.icon-button{background:none;color:var(--muted);border:1px solid transparent;border-radius:4px;width:31px;height:31px;padding:6px}.icon-button .icon{width:17px;height:17px}.icon-button:hover{color:var(--text);background:var(--surface-3)}.icon-button.active,.icon-button[aria-pressed=true]{background:rgba(118,220,200,.11);color:var(--cyan);border-color:rgba(118,220,200,.18)}
main{max-width:1850px;margin:auto;padding:45px 40px 0}.page-heading{display:flex;align-items:flex-end;justify-content:space-between;gap:35px;margin-bottom:44px}.eyebrow{font:9px/1.5 var(--mono);color:var(--muted);letter-spacing:2.2px;display:flex;align-items:center;gap:9px}.eyebrow-line{display:inline-block;width:22px;height:1px;background:var(--cyan);opacity:.7}h1,h2,h3,p{margin:0}.page-heading h1{font-size:clamp(32px,2.7vw,47px);line-height:1.35;font-weight:500;letter-spacing:1px;margin:15px 0 14px}.heading-dot{color:var(--cyan)}.mobile-break{display:none}.page-heading p{font-size:13px;color:var(--muted);letter-spacing:.4px;line-height:1.9}.intro-note{padding:0 0 5px;min-width:275px}.intro-label{display:block;font-size:11px;color:#8f9fb3;margin-bottom:12px;letter-spacing:2px}.intro-note p{display:flex;gap:9px;align-items:center;font-size:10px;color:var(--secondary);white-space:nowrap;letter-spacing:0}.intro-note p span{font:10px var(--mono);color:var(--cyan);margin-right:-3px}.intro-note p .icon{width:12px;height:12px;stroke:#3d5165}.intro-note>div{font-size:10px;color:var(--faint);margin-top:14px;letter-spacing:1px}.experiment-heading{display:flex;align-items:center;justify-content:space-between;gap:20px;margin:0 0 18px}.experiment-kicker{font:9px var(--mono);letter-spacing:2px;color:var(--cyan);display:block;margin-bottom:6px}.experiment-heading h2{font-size:20px;line-height:1.4;font-weight:500;letter-spacing:1px}.experiment-heading h2 span{font-size:12px;letter-spacing:.3px;color:var(--muted);margin-left:16px;padding-left:16px;border-left:1px solid var(--line-strong)}.note-jump{font-size:11px;color:var(--muted);gap:7px;align-self:flex-end;margin-bottom:3px}.source-bar{min-height:69px;display:flex;align-items:center;justify-content:space-between;gap:20px;padding:12px 18px;background:#111a26;border:1px solid var(--line);border-bottom:0;border-radius:10px 10px 0 0}.file-info{display:flex;align-items:center;gap:11px;min-width:0}.file-icon{width:34px;height:34px;background:#1d2b3c;border:1px solid var(--line);border-radius:5px;display:grid;place-items:center;color:var(--muted);flex:none}.file-icon .icon{width:18px;height:18px}.file-info>div{min-width:0;display:flex;gap:16px;align-items:center}.file-info strong{max-width:300px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;display:block;font-size:12px;font-weight:500;letter-spacing:.2px}.file-info #image-size{font:10px/1.5 var(--mono);color:var(--muted);padding-left:16px;border-left:1px solid var(--line-strong);white-space:nowrap}.photo-actions{display:flex;gap:13px;align-items:center;flex:none}.select-wrap{display:flex;align-items:center;gap:10px;font-size:11px;color:var(--muted)}.select-wrap select{font-size:11px;background:#111a26;color:var(--secondary);border:1px solid var(--line-strong);border-radius:4px;padding:7px 23px 7px 10px;max-width:124px;cursor:pointer}.select-wrap select:hover{border-color:#4e677b}.workbench{display:grid;grid-template-columns:minmax(0,1fr) 306px;border:1px solid var(--line);border-radius:0 0 10px 10px;overflow:hidden;background:#101722}.scene-workspace{min-width:0}.stage-topbar{height:53px;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:0 17px;background:#0f1722;border-bottom:1px solid var(--line)}.view-tabs{display:flex;align-items:stretch;align-self:stretch;gap:23px;min-width:0;overflow-x:auto;scrollbar-width:none}.view-tabs::-webkit-scrollbar{display:none}.view-tabs button{position:relative;background:none;border:0;color:#8193a9;font-size:12px;display:inline-flex;align-items:center;gap:7px;white-space:nowrap;padding:0 2px;transition:color .18s}.view-tabs button .icon{width:15px;height:15px}.view-tabs button:hover{color:var(--secondary)}.view-tabs button.active{color:var(--cyan)}.view-tabs button.active::after{content:'';position:absolute;left:0;right:0;height:2px;background:var(--cyan);bottom:0}.view-tabs button small{font:9px var(--mono);color:var(--faint);margin-left:2px}.stage-frame{position:relative;isolation:isolate;height:clamp(500px,39vw,590px);min-height:0;overflow:hidden;background:#080e17}.canvas-pane,.universe-pane{position:absolute;inset:0;width:100%;height:100%;min-width:0;min-height:0}.canvas-pane{--stage-bg:#080e17;--stage-text:#dce7f2;--stage-muted:#8e9fb5;--stage-accent:#76dcc8;--stage-line:rgba(185,198,216,.18);--stage-padding:24}.canvas-pane>canvas{display:block;width:100%;height:100%;object-fit:contain}.universe-pane{overflow:hidden;background:#080e17}.universe-pane>canvas{display:block;width:100%;height:100%}.stage-context{position:absolute;left:22px;right:22px;top:20px;display:flex;justify-content:space-between;align-items:center;pointer-events:none;z-index:8;gap:16px;font:9px/1.4 var(--mono);letter-spacing:1px}.stage-context>span:first-child{background:rgba(7,14,23,.68);border:1px solid #b9c6d81a;border-radius:3px;padding:6px 8px;color:#b9c6d8;backdrop-filter:blur(8px)}.render-label{display:flex;align-items:center;gap:7px;color:#a1b5c9;text-shadow:0 1px 7px #000;font-size:9px}.render-label::before{content:'';width:4px;height:4px;border-radius:50%;background:var(--cyan);box-shadow:0 0 9px #76dcc850}.stage-instruction{position:absolute;left:23px;bottom:22px;z-index:8;pointer-events:none;text-shadow:0 1px 9px #000;display:flex;flex-direction:column;gap:5px;max-width:65%;padding:11px 15px;background:linear-gradient(90deg,#080e17c9,#080e1755);border-left:1px solid #76dcc859;border-radius:0 4px 4px 0;backdrop-filter:blur(3px)}.stage-instruction strong{font-size:12px;font-weight:400;letter-spacing:.5px;color:#d2e3ed}.stage-instruction>span{font-size:10px;color:#8b9eb4}.stage-frame:fullscreen{height:100vh;width:100vw;border-radius:0}.vl-stage 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var(--mono);min-width:42px;color:var(--secondary);text-align:center}.tool-separator{height:15px;width:1px;background:var(--line-strong);margin:0 8px}.stage-actions{display:flex;align-items:center;gap:12px}.stage-actions .text-button{font-size:11px;gap:5px}.stage-actions .text-button>.icon{width:14px;height:14px}.stage-actions>.icon-button{width:28px;height:28px}
.inspector{border-left:1px solid var(--line);background:#121b28;min-width:0}.inspector-header{min-height:76px;display:flex;align-items:center;justify-content:space-between;gap:12px;padding:18px 19px;border-bottom:1px solid var(--line)}.panel-kicker{font:8px var(--mono);letter-spacing:2px;color:var(--faint);display:block;margin-bottom:4px}.inspector-header h3{font-size:14px;font-weight:500;letter-spacing:1px}.inspector-header>.text-button{font-size:11px;color:var(--muted)}.inspector-header>.text-button .icon{width:13px;height:13px}.inspect-section{padding:18px 19px;border-bottom:1px solid var(--line);min-width:0}.inspect-section:last-child{border-bottom:0}.inspect-label{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:12px;color:var(--secondary);letter-spacing:.3px;margin:0 0 13px}.inspect-label>span,.inspect-label>small{font:10px var(--mono);color:var(--muted);letter-spacing:0}.picked-row{display:flex;align-items:center;gap:12px}.picked-swatch{display:block;width:42px;height:42px;border-radius:5px;border:1px solid #ffffff26;box-shadow:inset 0 0 0 3px #10182433;flex:none}.picked-value{min-width:0;display:flex;flex-direction:column;gap:3px}.picked-value strong,.picked-value b{font:14px var(--mono);font-weight:400;color:var(--text)}.picked-value small,.picked-value span{font:11px var(--mono);color:var(--muted)}.rgb-values{display:grid;gap:9px;margin-top:17px}.rgb-row{display:flex;align-items:center;gap:9px;font:11px var(--mono);color:var(--muted)}.rgb-row>span:first-child{width:10px}.rgb-row>strong,.rgb-row>b,.rgb-row>output{min-width:27px;font:12px var(--mono);color:var(--secondary);text-align:right}.rgb-track{height:3px;flex:1;min-width:30px;background:#233044;border-radius:3px;overflow:hidden}.rgb-track i,.rgb-track b,.rgb-track span{display:block;height:100%;border-radius:3px}.rgb-row:nth-child(1)>span:first-child{color:#ed8785}.rgb-row:nth-child(2)>span:first-child{color:var(--cyan)}.rgb-row:nth-child(3)>span:first-child{color:#819fe9}.rgb-row:nth-child(1) .rgb-track>*{background:#ed8785}.rgb-row:nth-child(2) .rgb-track>*{background:var(--cyan)}.rgb-row:nth-child(3) .rgb-track>*{background:#819fe9}.two-metrics{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:15px}.two-metrics>div{padding-left:11px;border-left:1px solid var(--line-strong)}.two-metrics small,.two-metrics span{display:block;color:var(--muted);font-size:11px;margin-bottom:3px}.two-metrics strong{font:14px var(--mono);font-weight:400;color:var(--secondary)}.two-metrics strong small{display:inline;font-size:10px;margin-left:3px}.mini-grid{position:relative;width:100%;display:block;border-radius:4px;overflow:hidden;background:#0c1420}.mini-grid canvas,canvas.mini-grid{width:100%;height:265px;display:block}.grid-meta{display:flex;justify-content:space-between;gap:8px;color:var(--muted);font-size:11px;margin-top:8px}.grid-meta>span:last-child{font-family:var(--mono);color:var(--faint);font-size:10px}.parameter{margin:0 0 23px}.parameter:last-child{margin-bottom:0}.parameter-label{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-bottom:10px;color:var(--secondary);font-size:13px}.parameter-label>strong,.parameter-label>output,.parameter-label>b{font:13px var(--mono);color:var(--cyan);font-weight:400}.parameter-label small{color:var(--muted);font-size:11px;margin-left:5px}.range,input[type=range]{appearance:none;-webkit-appearance:none;width:100%;height:3px;border:0;border-radius:3px;background:#304155;display:block;outline-offset:7px;cursor:pointer;margin:13px 0}.range::-webkit-slider-thumb,input[type=range]::-webkit-slider-thumb{-webkit-appearance:none;width:12px;height:12px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px #76dcc813;border:2px solid #132b2b}.range::-webkit-slider-thumb:hover,input[type=range]::-webkit-slider-thumb:hover{box-shadow:0 0 0 5px #76dcc81a}.range::-moz-range-thumb,input[type=range]::-moz-range-thumb{width:9px;height:9px;border:2px solid #132b2b;border-radius:50%;background:var(--cyan)}.range-ends{display:flex;justify-content:space-between;color:var(--faint);font:10px var(--mono);margin-top:7px}.segment-control{display:flex;border:1px solid var(--line);padding:3px;background:#0c141f;border-radius:5px;gap:3px}.segment-control button{flex:1;min-width:0;white-space:nowrap;background:none;color:var(--muted);border-radius:3px;padding:7px 5px;font-size:11px}.segment-control button.active{background:#243347;color:var(--text);box-shadow:0 1px 3px #0002}.segment-control button:hover{color:var(--text)}.inspect-tip{font-size:12px;line-height:1.9;color:var(--muted);margin-top:12px}.inspect-tip strong{font-weight:400;color:var(--secondary)}canvas.chart,.chart canvas{display:block;width:100%;height:125px}.chart{margin:8px 0 0;width:100%}canvas.hue-chart,.hue-chart canvas{height:135px}canvas.kernel-chart,.kernel-chart canvas{height:190px}.chart-labels{display:flex;justify-content:space-between;color:var(--faint);font:10px var(--mono);margin-top:5px}.target-swatches{display:flex;gap:9px;margin:13px 0 5px}.target-swatches button{width:24px;height:24px;border-radius:50%;box-shadow:inset 0 0 0 3px #121b28;border:1px solid transparent}.target-swatches button:hover,.target-swatches button.active{border-color:#e3eef4;transform:scale(1.1)}.metric-large{display:flex;align-items:baseline;gap:6px;color:var(--cyan);font:31px/1.2 var(--mono);letter-spacing:-1px;margin-bottom:8px}.metric-large strong{font:inherit}.metric-large small,.metric-large span{font:12px var(--mono);color:var(--muted);letter-spacing:0}.tiny-progress{height:3px;background:#27394a;overflow:hidden;border-radius:3px}.tiny-progress>*{display:block;height:100%;background:var(--cyan)}.preset-list{display:flex;flex-wrap:wrap;gap:6px;margin:13px 0 0}.preset-list button{border:1px solid var(--line);border-radius:4px;padding:6px 9px;font-size:11px;color:var(--muted);background:#0f1824}.preset-list button:hover,.preset-list button.active{border-color:#76dcc84d;color:var(--cyan);background:#18312e}
.process-section{margin:26px 0 31px}.section-heading{display:flex;justify-content:space-between;align-items:center;gap:18px;margin-bottom:13px}.section-heading>div{display:flex;align-items:center;gap:10px}.section-index{font:19px var(--mono);color:var(--cyan)}.section-heading h3{font-size:13px;letter-spacing:.5px;font-weight:500}.section-subtitle{font-size:11px;color:var(--faint);margin-left:7px}.compute-status{font:10px var(--mono);color:var(--muted);white-space:nowrap}.process-chain{display:grid;grid-auto-flow:column;grid-auto-columns:minmax(0,1fr);gap:13px}.process-step{position:relative;padding:0;background:#111a26;border:1px solid var(--line);border-radius:6px;overflow:hidden;text-align:left;color:var(--text);min-width:0;transition:transform .2s,border-color .2s,background .2s}.process-step:hover{transform:translateY(-2px);border-color:#5b7d8b;background:#152330}.process-step.active{border-color:#76dcc879;box-shadow:0 0 0 1px #76dcc808}.process-step.active::after{content:'';position:absolute;right:10px;top:9px;width:5px;height:5px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 3px #0b101866}.process-step canvas{width:100%;height:105px;display:block;background:#080e17;object-fit:cover;border-bottom:1px solid var(--line);opacity:.72;transition:opacity .2s}.process-step:hover canvas,.process-step.active canvas{opacity:1}.process-step>div{display:flex;align-items:flex-start;gap:10px;padding:11px 12px 12px;min-height:61px}.process-step>div>span,.process-step>div>i{font:10px var(--mono);font-style:normal;color:var(--faint);padding-top:3px}.process-step strong{display:block;font-size:12px;font-weight:500;letter-spacing:.3px}.process-step small{display:block;font-size:10px;color:var(--muted);margin-top:3px;line-height:1.5}.process-step.active strong{color:var(--cyan)}.process-step.active>div>span{color:#76dcc899}
.study-section{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(310px,1fr);gap:28px;margin:0 0 36px}.study-main{border-top:1px solid var(--line);min-width:0}.study-tabs{display:flex;gap:29px;border-bottom:1px solid var(--line);min-height:55px;align-items:stretch;overflow-x:auto}.study-tabs button{position:relative;display:flex;align-items:center;gap:8px;font-size:13px;white-space:nowrap;color:var(--muted);background:none;padding:0 0 1px}.study-tabs button>.icon{width:15px;height:15px}.study-tabs button:hover{color:var(--secondary)}.study-tabs button.active{color:var(--text)}.study-tabs button.active::after{content:'';position:absolute;bottom:-1px;left:0;right:0;height:2px;background:var(--cyan)}.snapshot-count{display:inline-grid;place-items:center;min-width:17px;height:17px;border:1px solid var(--line);border-radius:3px;font:9px var(--mono);color:var(--muted);padding:0 4px;margin-left:-2px}.task-content,.theory-content,.compare-content{padding:24px 0 10px}.task-overline{font:9px var(--mono);letter-spacing:2px;color:var(--orange);margin-bottom:12px}.task-content h3{font-size:19px;font-weight:400;line-height:1.6;letter-spacing:.7px;margin-bottom:9px}.task-content>p,.theory-content>p{font-size:13px;color:var(--muted);line-height:1.95;max-width:660px}.task-steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:23px;counter-reset:steps}.task-step{padding-top:14px;border-top:1px solid var(--line);min-width:0}.task-step>span,.task-step>i{font:10px var(--mono);font-style:normal;color:var(--cyan);margin-bottom:7px;display:block}.task-step h4,.task-step strong{font-size:13px;font-weight:500;display:block;margin:0 0 7px;color:var(--secondary)}.task-step p,.task-step small{font-size:12px;line-height:1.85;color:var(--muted);margin:0;display:block}.task-footer{display:flex;gap:8px;align-items:flex-start;margin-top:20px;padding:11px 13px;background:#132123;border-left:2px solid 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dialog{color:var(--text);background:#111b29;border:1px solid #52677866;border-radius:10px;box-shadow:0 30px 130px #0009;width:min(870px,calc(100vw - 50px));max-height:85vh;padding:30px;overflow:auto}dialog::backdrop{background:#050a10c4;backdrop-filter:blur(8px)}.dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;padding-bottom:22px;border-bottom:1px solid var(--line);margin-bottom:20px}.dialog-heading .eyebrow{font-size:9px;color:var(--cyan)}.dialog-heading h2{font-size:24px;font-weight:400;letter-spacing:1px;margin-top:10px}.close-dialog{width:30px;height:30px;display:grid;place-items:center;background:#1b2b3d;border-radius:4px;color:var(--muted);flex:none}.close-dialog:hover{color:var(--text);background:#283e52}.close-dialog .icon{width:16px;height:16px}.dialog-intro,dialog p,dialog li{font-size:13px;line-height:2;color:var(--muted)}dialog a{color:var(--cyan);text-decoration:underline;text-underline-offset:3px}dialog p+p{margin-top:13px}.course-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:10px;margin-top:22px}.course-item{display:grid;grid-template-columns:22px minmax(0,1fr);align-items:flex-start;column-gap:12px;padding:15px 13px;border:1px solid var(--line);border-radius:5px;color:var(--muted);font-size:12px;line-height:1.8;background:#0e1722;text-align:left;width:100%}.course-item>span:first-child{grid-column:1;grid-row:1/3;font:10px var(--mono);color:var(--faint);padding-top:4px;min-width:19px}.course-item strong{grid-column:2;display:block;font-size:13px;font-weight:400}.course-item small{grid-column:2;display:block;font-size:11px;color:var(--faint);margin-top:3px}.course-item.open{border-color:#76dcc840;background:#14292b;color:var(--cyan);cursor:pointer}.course-item.open:hover{border-color:#76dcc899;background:#1a3535}.course-item.open>span:first-child{color:#76dcc899}.course-item.open small{color:#83aaa0}.toast{position:fixed;bottom:27px;left:calc(50% + 40px);transform:translateX(-50%);padding:12px 20px;color:#c7eee4;border:1px solid #76dcc84f;background:#142e2aef;backdrop-filter:blur(15px);border-radius:6px;box-shadow:0 12px 40px #0004;font-size:12px;z-index:100;max-width:calc(100vw - 40px);text-align:center}
.target-swatches button{display:flex;align-items:center;justify-content:center;gap:6px;flex:1;width:auto;height:auto;padding:7px 5px;background:#101925;color:var(--secondary);border:1px solid var(--line);border-radius:4px;font-size:11px;box-shadow:none}.target-swatches button i{width:9px;height:9px;border-radius:50%;background:var(--swatch);box-shadow:0 0 0 2px #ffffff08}.target-swatches button:hover,.target-swatches button.active{transform:none;border-color:#76dcc855;background:#1b2b37}.chart-labels span{color:var(--channel,var(--muted))}.preset-list button{flex:1;text-align:left;padding:8px 10px}.preset-list button small{display:block;font:9px var(--mono);color:var(--faint);margin-top:3px}.process-step>div{justify-content:space-between;gap:7px}.process-step>div>small{margin-top:3px;font:9px var(--mono);color:var(--faint)}.task-content>h2{font-size:21px;font-weight:400;line-height:1.6;letter-spacing:.7px;margin-bottom:10px}.principle-row>div{flex:1;min-width:0}.theory-content pre{overflow:auto;max-width:100%;font:11px/1.9 var(--mono);padding:15px 17px;color:#9bbbae;background:#0c1620;border:1px solid var(--line);border-radius:5px;margin:17px 0}.comparison-head h2{font-size:18px;font-weight:400;line-height:1.7}.comparison-head .button{font-size:11px;min-height:34px}.compare-content>p{font-size:12px;color:var(--muted);line-height:1.9;margin-bottom:17px}.snapshot .snapshot-name{display:flex;flex-wrap:wrap;align-items:center;gap:5px 10px;padding:10px 11px 5px}.snapshot-name strong{font-size:12px;font-weight:400;color:var(--secondary)}.snapshot-name button{font-size:10px;color:var(--cyan);background:none;padding:0}.snapshot>p{padding:0 11px 11px;margin:0;word-break:break-word}.empty-comparison p{font-size:11px;color:var(--muted)}
@media(min-width:1700px){main{padding:49px 50px 0}.topbar{padding:0 50px}.page-heading{margin-bottom:48px}.intro-note{margin-right:20px}.stage-frame{height:590px}.workbench{grid-template-columns:minmax(0,1fr) 326px}.inspector-header{padding:19px 22px}.inspect-section{padding:20px 22px}.process-step canvas{height:125px}.process-step>div{padding:13px 15px}.study-section{gap:40px}.stage-footer{padding-left:22px;padding-right:22px}}
@media(max-width:1250px){.topbar{padding:0 27px}.top-actions{gap:18px}.local-status{display:none}main{padding:35px 27px 0}.page-heading{gap:25px;margin-bottom:35px}.page-heading h1{font-size:34px}.page-heading p{font-size:12px}.intro-note{min-width:0;max-width:300px}.intro-note p{font-size:9px;gap:6px}.intro-note p span{font-size:9px}.intro-note>div{font-size:9px}.workbench{grid-template-columns:minmax(0,1fr) 290px}.stage-frame{height:530px}.source-bar{padding:12px 15px}.file-info>div{display:block}.file-info #image-size{display:block;padding:0;border:0;margin-top:3px;font-size:10px}.select-wrap>span{display:none}.stage-context{left:16px;right:16px;top:17px;font-size:8px}.stage-instruction{left:16px;bottom:17px;padding:9px 11px}.stage-instruction strong{font-size:11px}.stage-instruction>span{font-size:10px}.stage-footer{gap:9px;padding:10px 12px;flex-wrap:wrap}.view-detail{max-width:100%;flex-basis:100%;font-size:9px}.stage-actions{margin-left:auto}.stage-topbar{padding:0 13px}.view-tabs{gap:17px}.view-tabs button{font-size:12px}.inspector-header{padding:17px 16px;min-height:76px}.inspect-section{padding:17px 16px}.process-chain{gap:10px}.process-step canvas{height:93px}.process-step>div{gap:7px;padding:10px}.process-step strong{font-size:11px}.process-step small{font-size:9px}.study-section{grid-template-columns:minmax(0,1.25fr) minmax(280px,1fr);gap:25px}.study-tabs{gap:22px}.study-tabs button{font-size:12px}.task-steps{gap:15px}.task-content>h2{font-size:19px}.notes-panel{padding:16px}.notes-heading{gap:10px}.notes-heading>span{font-size:9px}.notes-heading h3{font-size:12px}.notes-footer>span{display:none}.notes-footer>.text-button{margin-left:auto}.page-footer{gap:17px}.page-footer>span i{display:none}}
@media(max-width:1000px){.rail{width:66px}.app-shell{margin-left:66px}.rail-nav{padding:0 6px}.rail-link{padding-left:3px;padding-right:3px}.rail-link.active::before{left:-7px}.rail-number{font-size:7px}.rail-caption{font-size:7px;letter-spacing:1.2px}.topbar{height:73px;padding:0 22px}.brand{gap:14px}.brand strong{font-size:17px;letter-spacing:2px}.brand-en{font-size:10px;letter-spacing:.9px}.record-button{font-size:11px;padding:7px 10px}.top-actions{gap:18px}.top-actions>.text-button{font-size:11px}.top-actions>.text-button .icon{width:15px;height:15px}main{padding:30px 22px 0}.page-heading{align-items:flex-start}.page-heading h1{font-size:31px;margin-top:13px}.intro-note{display:none}.eyebrow{font-size:8px}.page-heading p{font-size:12px}.experiment-heading h2{font-size:18px}.experiment-heading h2 span{font-size:11px}.workbench{grid-template-columns:minmax(0,1fr) 270px}.stage-frame{height:560px}.canvas-pane{--stage-padding:16}.view-tabs{gap:15px}.view-tabs button{font-size:11px}.stage-topbar>.icon-button{width:23px;flex:none}.stage-topbar{gap:6px;padding:0 10px}.stage-context{top:14px;left:13px;right:13px}.stage-context>span:first-child{padding:5px;font-size:7px;letter-spacing:.6px}.render-label{font-size:7px;letter-spacing:.3px}.stage-instruction{max-width:78%;left:13px;bottom:17px}.stage-instruction strong{font-size:11px}.stage-instruction>span{font-size:9px}.source-bar{padding:11px 13px;gap:10px}.file-info{gap:8px}.file-info strong{max-width:190px;font-size:12px}.file-icon{width:29px;height:32px}.photo-actions{gap:9px}.photo-actions .button{padding:7px 10px;font-size:11px;min-height:33px}.photo-actions .button .icon{width:14px;height:14px}.select-wrap select{padding:6px 4px 6px 7px;max-width:98px;font-size:11px}.inspect-section{padding:17px 15px}.inspector-header{padding:16px 15px}.inspector-header h3{font-size:13px}.inspect-label{font-size:12px}.parameter-label{font-size:12px}.inspect-tip{font-size:12px}.picked-value strong{font-size:12px}.picked-swatch{width:37px;height:37px}.mini-grid canvas,canvas.mini-grid{height:230px}.process-step canvas{height:82px}.process-step>div{padding:9px;gap:6px;min-height:64px}.process-step small{font-size:9px}.section-subtitle{display:none}.study-section{grid-template-columns:minmax(0,1fr);gap:27px}.notes-panel{min-height:250px}#lab-note{min-height:145px}.notes-heading>span{font-size:10px}.notes-footer>span{display:block}.study-tabs button{font-size:13px}.task-content>h2{font-size:21px}.task-content>p{font-size:13px}.task-step p{font-size:12px}.toast{left:calc(50% + 33px)}}
@media(max-width:760px){.rail{inset:auto 0 0;width:100%;height:66px;border-right:0;border-top:1px solid #b9c6d827;flex-direction:row;padding:0 13px;background:#0d1621f5;backdrop-filter:blur(16px)}.rail-mark,.rail-caption,.rail-number,.rail-line,.rail-version{display:none}.rail-nav{display:flex;gap:9px;padding:0;align-items:center;flex:1;justify-content:space-around}.rail-link{flex-direction:row;gap:8px;padding:10px 19px;min-height:42px;border-radius:6px;font-size:12px;letter-spacing:.4px}.rail-link .icon{width:18px;height:18px}.rail-link.active::before{display:none}.rail-bottom{margin:0 0 0 15px;width:auto;gap:0}.rail-course{gap:4px;font-size:10px;padding:6px 7px}.rail-course .icon{width:17px;height:17px}.app-shell{margin-left:0}.topbar{height:66px;padding:0 20px}.brand strong{font-size:16px;letter-spacing:2px}.brand-en{font-size:10px}.brand-divider{height:14px}.top-actions{gap:15px}.top-actions>.text-button{width:20px;height:30px}.top-actions>.text-button span{display:none}.record-button{padding:7px 9px;min-height:31px}.record-button>.icon{width:13px;height:13px}main{padding:30px 20px 72px}.page-heading{margin-bottom:31px}.page-heading h1{font-size:35px;letter-spacing:.8px;margin-top:14px;margin-bottom:13px}.page-heading p{font-size:12px;line-height:1.9;max-width:560px}.eyebrow{font-size:8px;letter-spacing:1.6px}.experiment-heading{margin-bottom:15px}.experiment-heading h2{font-size:19px}.experiment-heading h2 span{font-size:12px;letter-spacing:0;padding-left:12px;margin-left:12px}.experiment-kicker{font-size:9px}.note-jump{font-size:11px}.note-jump>.icon:first-child{display:none}.source-bar{padding:12px 14px;gap:12px;min-height:68px}.file-info strong{max-width:250px;font-size:12px}.photo-actions{gap:8px}.photo-actions .button{padding:7px 9px;font-size:11px}.select-wrap select{font-size:11px;max-width:100px}.workbench{grid-template-columns:minmax(0,1fr)}.stage-topbar{height:49px;padding:0 15px}.view-tabs{gap:24px}.view-tabs button{font-size:12px;gap:7px}.view-tabs button .icon{width:15px;height:15px}.stage-topbar>.icon-button{width:28px}.stage-frame{height:450px}.canvas-pane{--stage-padding:20}.stage-context{left:17px;right:17px;top:17px}.stage-context>span:first-child{font-size:8px;padding:6px 7px}.render-label{font-size:8px}.stage-instruction{left:17px;bottom:20px;max-width:70%;padding:10px 13px}.stage-instruction strong{font-size:12px}.stage-instruction>span{font-size:11px}.stage-footer{padding:12px 16px;min-height:60px;flex-wrap:nowrap}.view-detail{flex-basis:auto;font-size:9px;max-width:27%}.stage-actions .text-button{font-size:11px}.stage-actions{gap:10px;margin-left:0}.stage-tools .icon-button{width:28px;height:28px}.inspector{border-left:0;border-top:1px solid var(--line)}.inspector-header{padding:15px 18px;min-height:65px}.inspector-header>div{display:flex;align-items:center;gap:12px}.panel-kicker{margin:0;font-size:8px}.inspector-header 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