@charset "UTF-8";
:root{--paper:#eeeae2;--panel:#faf8f2;--ink:#17392f;--muted:#656e66;--line:#d7dbcf;--orange:#ea8d54;--lime:#dfeabf;--serif:Georgia,"Noto Serif SC","Source Han Serif SC","宋体",serif;--sans:"Microsoft YaHei","PingFang SC",sans-serif}
*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:var(--sans);font-size:14px;line-height:1.7}button,input,a{-webkit-tap-highlight-color:transparent}button{font:inherit;cursor:pointer}button:disabled{opacity:.4;cursor:not-allowed}button,a,input{outline-offset:5px}button:focus-visible,a:focus-visible,input:focus-visible{outline:2px solid var(--ink)}button{border:0;background:none;color:inherit}a{color:inherit;text-underline-offset:4px}.shell{max-width:1400px;margin:auto;padding:0 48px}.topbar{height:86px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line);gap:20px}.brand{display:flex;align-items:center;gap:12px;text-align:left;font-weight:700;font-size:18px;letter-spacing:-.5px}.brandmark{width:32px;height:32px;position:relative;display:block}.brandmark:before,.brandmark:after{content:"";position:absolute;width:23px;height:23px;border:1.7px solid var(--ink);border-radius:50%;top:5px}.brandmark:before{left:0}.brandmark:after{right:0;background:var(--orange);mix-blend-mode:multiply}.topnav{display:flex;align-items:center;gap:26px}.tag{font-size:11px;letter-spacing:.12em;border:1px solid var(--line);padding:4px 10px;border-radius:20px;color:var(--muted)}.eyebrow{font-size:11px;letter-spacing:.2em;color:var(--muted);font-weight:700}.hero{display:grid;grid-template-columns:1.1fr .9fr;align-items:center;gap:40px;padding:66px 0 46px}.hero h1{font-family:var(--serif);font-size:clamp(42px,5vw,72px);font-weight:400;line-height:1.22;letter-spacing:-3px;margin:19px 0 23px}.hero h1 em{font-style:normal;color:#a75b35}.hero p{max-width:410px;color:var(--muted);font-size:15px;line-height:1.9}.hero-art{width:100%;max-height:330px}.hero-meta{display:flex;gap:28px;margin-top:28px;font-size:12px;color:var(--muted)}.sectionline{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding:22px 0 18px}.sectionline h2{font-size:16px;margin:0;font-weight:500}.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}.card{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.card-top{display:flex;justify-content:space-between;padding:19px 22px 0;color:var(--muted);font-size:11px;letter-spacing:.12em}.preview{display:block;width:100%;height:168px}.card-body{padding:4px 24px 23px}.card h3{font-family:var(--serif);font-weight:400;font-size:26px;margin:0 0 9px}.card p{margin:0;color:var(--muted);min-height:48px;font-size:13px}.card-bottom{display:flex;justify-content:space-between;align-items:center;margin-top:20px;border-top:1px solid var(--line);padding-top:17px}.start{padding:0;font-weight:600}.start span{margin-left:20px}.footer{display:flex;justify-content:space-between;margin-top:44px;padding:23px 0;border-top:1px solid var(--line);color:var(--muted);font-size:11px;gap:20px}.notice{color:var(--muted);background:#e4e7da;border-radius:6px;padding:14px 18px;margin:22px 0;font-size:12px}.history{display:flex;gap:8px;flex-wrap:wrap;padding:12px 0}.history button{border:1px solid var(--line);padding:7px 12px;border-radius:5px;background:var(--panel);font-size:12px}.workspace{display:grid;grid-template-columns:228px 1fr;gap:34px;padding:32px 0 10px}.sidebar{border-right:1px solid var(--line);padding-right:26px}.back{font-size:12px;color:var(--muted);padding:0}.sidebar h1{font-family:var(--serif);font-size:29px;font-weight:400;line-height:1.4;margin:28px 0 6px}.side-description{color:var(--muted);font-size:12px}.phase-list{display:grid;gap:16px;margin:30px 0}.phase-item{display:flex;gap:10px;font-size:12px;color:#8b9288}.phase-item i{width:23px;height:23px;border:1px solid var(--line);border-radius:50%;display:grid;place-items:center;font-style:normal;font-size:10px}.phase-item.active{color:var(--ink);font-weight:600}.phase-item.active i{background:var(--ink);color:white;border-color:var(--ink)}.phase-item.done i{background:var(--lime);border-color:var(--lime)}.side-note{font-size:11px;color:var(--muted);line-height:1.9;border-top:1px solid var(--line);padding-top:20px}.progress-header{display:flex;justify-content:space-between;gap:20px;font-size:11px;letter-spacing:.03em;color:var(--muted)}.progress{height:3px;background:#d9ddcf;margin:12px 0 24px}.progress span{display:block;height:100%;background:var(--ink);transition:width .25s}.instruction{display:flex;justify-content:space-between;align-items:start;gap:20px;margin-bottom:17px}.instruction h2{font-family:var(--serif);font-size:27px;font-weight:400;line-height:1.4;margin:0 0 6px}.instruction p{font-size:12px;color:var(--muted);margin:0}.step-badge{font-size:11px;white-space:nowrap;background:var(--lime);padding:5px 11px;border-radius:20px}.stage-wrap{background:var(--panel);border:1px solid var(--line);border-radius:8px;overflow:hidden}.stage{display:block;width:100%;aspect-ratio:800 / 450;user-select:none;touch-action:pan-y}.stage:has([data-drag]){touch-action:none}.stage [data-drag]{cursor:grab;touch-action:none}.stage [data-rgb]{cursor:pointer}.stage text{font-family:var(--sans)}.stage-caption{padding:10px 17px;display:flex;justify-content:space-between;gap:20px;color:var(--muted);font-size:10px;background:var(--panel);border-top:1px solid var(--line)}.controls{padding:20px 0 0}.choice-row{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.choice{min-width:135px;background:var(--panel);border:1px solid var(--line);border-radius:5px;padding:11px 18px;font-size:13px}.choice.selected{background:var(--lime);border-color:var(--ink)}.slider-area{max-width:500px;margin:0 auto}.slider-labels{display:flex;justify-content:space-between;font-size:11px;color:var(--muted)}input[type=range]{width:100%;height:28px;accent-color:var(--ink);cursor:ew-resize;touch-action:pan-y}.slider-note{text-align:center;font-size:11px;color:var(--muted);margin-top:8px}.actions{display:flex;justify-content:space-between;align-items:center;gap:16px;padding-top:20px;margin-top:20px;border-top:1px solid var(--line)}.primary{background:var(--ink);color:var(--panel);border-radius:5px;padding:12px 24px;font-size:13px}.secondary{border:1px solid var(--line);border-radius:5px;padding:10px 15px;font-size:12px}.status-note{font-size:11px;color:var(--muted)}.intro{max-width:860px;margin:48px auto}.intro h1{font-family:var(--serif);font-weight:400;font-size:42px;margin:10px 0 15px}.intro-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;margin:25px 0}.intro-panel{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:22px}.intro-panel h3{font-size:14px;margin:0 0 10px}.intro-panel p,.intro-panel li{font-size:13px;color:var(--muted)}.intro-panel ul{padding-left:18px}.intro label{display:flex;gap:10px;align-items:start;font-size:12px;margin:20px 0}.results-title{display:flex;justify-content:space-between;align-items:start;gap:20px}.result-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:22px 0}.stat{padding:18px;border:1px solid var(--line);border-radius:6px;background:var(--panel)}.stat small{font-size:11px;color:var(--muted)}.stat strong{display:block;font-family:var(--serif);font-size:31px;font-weight:400;margin:8px 0}.result-chart{background:var(--panel);border:1px solid var(--line);border-radius:6px;padding:20px}.result-chart h3{margin:0 0 15px;font-size:13px}.group-row{display:grid;grid-template-columns:100px 1fr 84px;gap:12px;align-items:center;margin:16px 0;font-size:12px}.bar-track{position:relative;height:20px;background:#eeeae2;border-radius:3px}.bar-zero{position:absolute;left:50%;top:0;height:100%;width:1px;background:#adb7aa}.bar{position:absolute;top:4px;height:12px;background:var(--orange);border-radius:2px}.details{margin-top:20px;border:1px solid var(--line);border-radius:6px;background:var(--panel);padding:15px 20px}.details summary{cursor:pointer;font-size:12px}.table-wrap{overflow:auto}table{width:100%;border-collapse:collapse;font-size:11px;white-space:nowrap}th,td{text-align:left;padding:10px;border-bottom:1px solid var(--line)}.explore-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.explore-grid label{font-size:12px;color:var(--muted)}.explore-title{margin-top:28px;font-size:15px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:var(--ink);color:white;padding:12px 22px;border-radius:7px;font-size:12px;max-width:90%;z-index:20}.compact-warning{display:none}.verification-summary{font-size:12px;margin:12px 0;color:var(--muted)}.help{background:var(--panel);padding:16px;border:1px solid var(--line);border-radius:5px;font-size:12px;color:var(--muted)}
@media(max-width:1100px){.shell{padding:0 26px}.workspace{grid-template-columns:190px 1fr;gap:22px}.sidebar{padding-right:18px}.hero{gap:15px}.hero h1{font-size:56px}.card-body{padding:4px 18px 20px}}
@media(max-width:760px){.shell{padding:0 18px}.topbar{height:70px}.topnav{gap:12px}.topnav .tag{display:none}.hero{grid-template-columns:1fr;padding:38px 0 25px;gap:10px}.hero h1{font-size:48px;margin:15px 0;letter-spacing:-2px}.hero-art{height:210px}.hero-meta{gap:18px}.cards{grid-template-columns:1fr}.preview{height:170px}.card p{min-height:0}.workspace{display:block;padding-top:22px}.sidebar{border:0;padding:0}.sidebar h1{font-size:23px;margin:15px 0 5px}.side-description,.side-note{display:none}.phase-list{display:flex;justify-content:space-between;margin:17px 0 25px;gap:10px}.phase-item{font-size:10px;gap:5px}.phase-item i{width:19px;height:19px}.instruction h2{font-size:22px}.step-badge{display:none}.choice{min-width:85px;padding:10px}.stage-caption{font-size:9px}.actions{align-items:start}.status-note{max-width:170px}.compact-warning{display:block;font-size:11px;background:#e4e7da;border-radius:5px;padding:10px;margin-bottom:16px}.intro{margin:30px auto}.intro h1{font-size:34px}.intro-grid{grid-template-columns:1fr;gap:14px}.result-stats{grid-template-columns:1fr 1fr}.stat strong{font-size:26px}.results-title{display:block}.results-title .secondary{margin-top:12px}.explore-grid{grid-template-columns:1fr}.group-row{grid-template-columns:75px 1fr 65px;font-size:10px}.footer{flex-direction:column;gap:3px;margin-top:25px}.topnav button{font-size:12px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}
/* Compact, bright red/blue interface. Scientific grayscale stimuli remain unchanged. */
:root{--paper:#f4f7ff;--panel:#fff;--ink:#172d55;--muted:#354f73;--line:#d4e1f5;--orange:#f04452;--lime:#e4efff;--serif:"Microsoft YaHei","PingFang SC",sans-serif;--sans:"Microsoft YaHei","PingFang SC",sans-serif}
body{font-size:16px;line-height:1.6}.shell{max-width:1320px;padding:0 30px}.topbar{height:72px}.brand{font-size:21px;letter-spacing:0}.brandmark:before,.brandmark:after{border-color:#2563eb}.brandmark:after{background:#ff4c59;mix-blend-mode:normal;opacity:.85}.tag,.eyebrow{font-size:14px;letter-spacing:.04em;color:#354f73}.tag{border-radius:5px;background:#fff;padding:3px 8px}.hero{padding:30px 0 26px;gap:24px}.hero h1{font-size:49px;line-height:1.25;letter-spacing:-1px;font-weight:700;margin:12px 0 16px}.hero h1 em{color:#e53748}.hero p{font-size:17px;line-height:1.7;max-width:510px}.hero-art{max-height:255px}.hero-meta{font-size:15px;gap:22px;margin-top:16px}.sectionline{padding:16px 0 12px}.sectionline h2{font-size:20px;font-weight:600}.cards{gap:14px}.card{border-radius:10px}.card-top{font-size:14px;padding:14px 18px 0;letter-spacing:0}.preview{height:145px}.card-body{padding:2px 18px 18px}.card h3{font-size:25px;font-weight:650}.card p{font-size:16px;min-height:52px}.card-bottom{margin-top:12px;padding-top:12px}.start{font-size:16px;color:#2563eb}.footer{font-size:14px;margin-top:24px;padding:16px 0}.notice{font-size:15px;padding:12px 15px;margin:16px 0;background:#e6efff;color:#243f6d}.history button{font-size:15px}.workspace{grid-template-columns:195px 1fr;gap:22px;padding:22px 0 8px}.sidebar{padding-right:18px}.back{font-size:15px}.sidebar h1{font-size:26px;font-weight:650;margin:18px 0 6px}.side-description{font-size:15px}.phase-list{gap:12px;margin:20px 0}.phase-item{font-size:15px;color:#4c648a}.phase-item i{font-size:13px;width:25px;height:25px}.phase-item.active{color:#215dd4}.phase-item.active i{background:#2563eb;border-color:#2563eb}.side-note{font-size:14px;line-height:1.8;padding-top:14px}.progress-header{font-size:15px;letter-spacing:0}.progress{margin:9px 0 17px;background:#dce6f6;height:4px}.progress span{background:#2563eb}.instruction{margin-bottom:12px}.instruction h2{font-size:25px;font-weight:600;margin-bottom:5px}.instruction p{font-size:15px;color:#354f73}.step-badge{font-size:14px;border-radius:6px;color:#215dd4;padding:5px 9px}.stage-wrap{border-radius:8px}.stage-caption{display:none}.controls{padding-top:14px}.choice-row{gap:8px}.choice{font-size:16px;padding:10px 14px;min-width:135px}.choice.selected{background:#e6efff;border-color:#2563eb;color:#1d4ed8}.slider-area{max-width:550px}.slider-labels{font-size:15px;color:#243f6d}.slider-note{font-size:15px;color:#354f73;margin-top:6px}.slider-area .slider-note{display:none}input[type=range]{height:32px;accent-color:#2563eb}.actions{padding-top:14px;margin-top:14px}.primary{font-size:16px;background:#2563eb;padding:11px 21px;min-height:44px}.primary:hover{background:#1d4ed8}.secondary{font-size:15px;padding:10px 14px;min-height:44px;background:#fff}.status-note{font-size:14px;color:#354f73}.intro{margin:28px auto;max-width:900px}.intro h1{font-size:38px;font-weight:700}.intro-grid{gap:16px;margin:18px 0}.intro-panel{padding:18px}.intro-panel h3{font-size:18px}.intro-panel p,.intro-panel li{font-size:16px}.intro-panel ul{margin:6px 0}.intro label{font-size:16px;margin:16px 0}.intro input[type=checkbox]{width:18px;height:18px;accent-color:#2563eb}.help{font-size:15px;padding:12px 15px}.result-stats{gap:10px;margin:16px 0}.stat{padding:15px}.stat small{font-size:14px}.stat strong{font-family:var(--sans);font-size:29px;font-weight:700;margin:6px 0;color:#215dd4}.result-chart{padding:16px}.result-chart h3{font-size:18px;margin-bottom:12px}.group-row{grid-template-columns:120px 1fr 95px;font-size:15px;margin:12px 0}.group-row small{font-size:14px}.bar{background:#f04452}.details{margin-top:14px;padding:13px 16px}.details summary{font-size:16px}table{font-size:15px}th,td{padding:9px}.explore-title{margin-top:20px;font-size:21px}.explore-grid{gap:14px}.explore-grid label{font-size:16px}.verification-summary{font-size:15px}.toast{font-size:15px}
/* Lift legacy inline sizes without adding more hint text. */
.shell [style*="font-size:10px"],.shell [style*="font-size:11px"],.shell [style*="font-size:12px"],.shell [style*="font-size:13px"]{font-size:14px!important}
.result-chart>p{font-size:15px!important}.results-title h2{font-size:29px!important;font-weight:650!important}.details p{font-size:15px!important}.topnav .tag{display:none}.progress-header>span:last-child{display:none}.side-description{display:none}.side-note{display:none}.hero .eyebrow{color:#2563eb}.card-top span:last-child{color:#dc3547}.hero-meta span{background:#fff;border:1px solid var(--line);border-radius:5px;padding:4px 8px}.intro>.eyebrow{color:#2563eb}
.bar-track{background:#edf3ff}.bar-zero{background:#7294cb}
@media(max-width:760px){.shell{padding:0 15px}.topbar{height:62px}.brand{font-size:18px}.brand>span:last-child{display:none}.topnav button{font-size:15px}.hero{padding:24px 0 20px;gap:0}.hero h1{font-size:38px;letter-spacing:-1px}.hero p{font-size:16px}.hero-art{height:180px}.hero-meta{font-size:14px;gap:8px;flex-wrap:wrap}.cards{gap:12px}.card p{min-height:0}.preview{height:138px}.phase-list{margin:15px 0 18px}.phase-item{font-size:14px}.phase-item i{width:22px;height:22px}.instruction h2{font-size:22px}.instruction p{font-size:15px}.compact-warning{font-size:14px;background:#e6efff;padding:10px;margin-bottom:13px}.choice{font-size:15px;min-width:95px;padding:10px}.status-note{font-size:14px;max-width:155px}.primary{font-size:15px;padding:11px 15px}.group-row{grid-template-columns:92px 1fr 80px;font-size:14px}.result-stats{grid-template-columns:1fr 1fr}.stat:last-child{grid-column:1/-1}.footer{font-size:14px}.intro-panel{padding:15px}.intro h1{font-size:32px}}
@media(max-width:760px){.sectionline{flex-direction:column;align-items:flex-start;gap:4px}.sectionline h2{font-size:20px}.sectionline .eyebrow{font-size:14px}.results-title>.secondary{margin-top:10px}}
.export-panel{display:flex;align-items:flex-start;gap:14px;flex-wrap:wrap;margin:14px 0;padding:14px;border:1px solid var(--line);border-radius:8px;background:white}.export-panel>a{text-decoration:none;display:inline-block}.export-panel details{flex:1;min-width:220px;font-size:16px}.export-panel summary{cursor:pointer;padding:8px 0}.export-panel pre{max-height:360px;overflow:auto;font-size:15px;background:#edf3ff;border-radius:6px;padding:12px;white-space:pre-wrap;overflow-wrap:anywhere}
@media(min-width:761px){.workspace .stage{height:clamp(300px,calc(100dvh - 400px),560px);aspect-ratio:auto;background:#f4f3ee}.workspace .stage[data-kind=color]{background:#808080}}
