@charset "UTF-8";
:root{color-scheme:light;--ink:#233c39;--muted:#647973;--teal:#205b51;--deep:#153e3a;--paper:#f6f7f2;--line:#dce4dc;--mint:#e9f0e5;--white:#fff;--amber:#866127;font-family:"Microsoft YaHei","PingFang SC",system-ui,sans-serif;font-size:14px;color:var(--ink);background:var(--paper)}
*{box-sizing:border-box}body{margin:0}button,input,select{font:inherit}button,select,a{touch-action:manipulation}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.46}button:focus-visible,select:focus-visible,a:focus-visible,.stage:focus-visible{outline:3px solid #71ab93;outline-offset:3px}[hidden]{display:none!important}a{color:inherit}h1,h2,h3,p{margin-top:0}h2{font-size:16px;font-weight:650}p{line-height:1.8}button{transition:background .15s,border-color .15s}button:hover:not(:disabled){filter:brightness(.97)}
.shell{display:grid;grid-template-columns:208px minmax(0,1fr);min-height:100vh}.rail{background:var(--deep);color:#eff7ec;padding:36px 22px;display:flex;flex-direction:column;position:sticky;top:0;height:100vh}.brand{display:flex;gap:11px;align-items:center;text-decoration:none;font-size:27px;letter-spacing:3px;font-weight:600}.brand small{display:block;font-size:10px;letter-spacing:2px;font-weight:400;margin-top:7px;color:#c1d8cd}.brand-mark{display:grid;place-items:center;width:43px;height:43px;border:1px solid #779a8a;border-radius:50%;font-size:38px;letter-spacing:0;color:#c7e3b7;font-weight:400}.project-label{font-size:10px;letter-spacing:1px;color:#a8c5b9;margin:30px 0 27px;padding-top:20px;border-top:1px solid #3b5d56}.rail nav{display:grid;gap:9px}.nav-item{background:none;border:0;color:#bbd1c6;display:flex;align-items:center;gap:11px;padding:13px 12px;border-radius:9px;text-align:left}.nav-item>span:first-child{width:18px;text-align:center;font-size:17px}.nav-item.active{background:#2c5349;color:#f4f7e9}.count{font-size:11px;margin-left:auto;background:#456a5d;border-radius:10px;padding:1px 6px}.rail-bottom{margin-top:auto;padding-top:70px}.prototype{font-size:10px;color:#bdcfc3;border:1px solid #567163;padding:5px 8px;border-radius:6px}.rail-bottom p{font-size:17px;line-height:1.9;letter-spacing:1px;margin:24px 0}.rail-bottom small{font-size:11px;line-height:1.9;color:#a8c5b9}main{min-width:0}.topbar{height:65px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 38px;font-size:11px;color:var(--muted)}.privacy-dot{display:flex;align-items:center;gap:6px}.privacy-dot:before{content:"";width:6px;height:6px;border-radius:50%;background:#6f9d72}.view{padding:30px 38px 20px;max-width:1560px;margin:0 auto}.eyebrow{font-size:10px;letter-spacing:2.7px;color:#71846e;margin-bottom:12px}h1{font-size:clamp(24px,2.5vw,35px);font-weight:600;letter-spacing:1px;line-height:1.4;margin:0 0 9px}.page-heading>p{font-size:13px;color:var(--muted);margin:0 0 24px}.steps{list-style:none;display:grid;grid-template-columns:1fr 1fr 1fr;padding:0;margin:0 0 22px;border:1px solid var(--line);border-radius:12px;background:#fcfdf8}.steps li{display:flex;gap:12px;align-items:center;padding:14px 18px}.steps li+li{border-left:1px solid var(--line)}.steps b{font-size:13px;font-weight:500;border:1px solid var(--line);color:#8b9a8a;width:31px;height:31px;border-radius:50%;display:grid;place-items:center}.steps .current b{background:var(--teal);border-color:var(--teal);color:white}.steps .complete b{background:#e0ebd6;color:#42633f}.steps span{font-size:12px}.steps small{display:block;color:var(--muted);font-size:10px;margin-top:4px}.workspace-grid{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:20px;align-items:start}.practice-panel{min-width:0;border:1px solid var(--line);border-radius:15px;overflow:hidden;background:#fff}.panel-header{display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.panel-header h2{margin:0;font-size:14px}.badge{font-size:10px;border:1px solid var(--line);border-radius:15px;padding:4px 10px;color:var(--muted)}.badge.demo{background:#fff4df;border-color:#eddcbb;color:#81622b}.badge.camera{background:var(--mint);color:var(--teal)}.stage{position:relative;height:470px;overflow:hidden;background:#f0f3e9;touch-action:none}.stage-grid{position:absolute;inset:0;background-image:radial-gradient(#ccd6c4 .7px,transparent .7px);background-size:24px 24px;opacity:.48;pointer-events:none}.corner-label{position:absolute;left:20px;top:16px;font-size:9px;color:#85947c;letter-spacing:2px}.idle-message{position:absolute;inset:0;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;padding:20px;pointer-events:none}.idle-message h3{font-weight:500;font-size:21px;margin:15px 0 9px}.idle-message p{font-size:12px;color:var(--muted)}.orbit{position:relative;width:160px;height:160px;border:1px solid #d5decf;border-radius:50%;display:grid;place-items:center}.orbit:before{content:"";position:absolute;width:112px;height:112px;border:1px solid #dae2d4;border-radius:50%}.orbit span{font-size:66px;color:#609470}.orbit i{position:absolute;border-radius:50%;width:10px;height:10px;background:#87a873;left:0;top:60px}.orbit i:nth-child(2){left:121px;top:13px;width:7px;height:7px}.orbit i:nth-child(3){left:111px;top:139px;background:#bccca7;width:8px;height:8px}.target{position:absolute;width:62px;height:62px;transform:translate(-50%,-50%);border-radius:50%;display:grid;place-items:center;background:conic-gradient(#c7a04a var(--progress,0%),#acc1a03d 0);box-shadow:0 0 0 12px #9bbf8314;pointer-events:none;z-index:2}.target-core{position:absolute;inset:6px;background:var(--teal);border:4px solid #f1f5e9;border-radius:50%}.target>span:last-child{position:relative;color:white;font-size:14px;z-index:1;font-variant-numeric:tabular-nums}.gaze-dot{position:absolute;pointer-events:none;width:12px;height:12px;border-radius:50%;border:2px solid #bc8647;background:#fff8;transform:translate(-50%,-50%);z-index:3}.stage-foot{position:absolute;bottom:0;left:0;right:0;display:flex;gap:10px;justify-content:space-between;align-items:center;padding:15px 20px;color:var(--muted);font-size:11px;background:linear-gradient(transparent,#f0f3e9 45%);pointer-events:none}.stage-cover{position:absolute;inset:0;z-index:4;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;background:#eef2e9eF;text-align:center;padding:24px}.stage-cover b{font-size:23px;font-weight:500}.stage-cover span{color:var(--muted);font-size:13px}.canvas-status{padding:14px 18px;display:flex;gap:12px;justify-content:space-between;align-items:center;font-size:11px;border-bottom:1px solid #edf0e9;min-height:51px}#live-status{color:var(--teal)}#hold-label{color:var(--muted);white-space:nowrap}.session-controls{padding:14px 18px;display:flex;gap:9px;align-items:center;flex-wrap:wrap}#session-tip{font-size:10px;color:var(--muted)}.control-panel{display:grid;gap:16px}.setup-card{background:white;border:1px solid var(--line);border-radius:13px;padding:18px}.card-heading{display:flex;justify-content:space-between;align-items:center;margin-bottom:13px}.card-heading h2{margin:0;font-size:13px}.small-badge{font-size:10px;color:var(--muted)}.camera-preview{height:119px;border-radius:8px;overflow:hidden;position:relative;background:#e9eeea;margin-bottom:12px}.camera-preview video{width:100%;height:100%;object-fit:cover;transform:scaleX(-1)}#camera-placeholder{position:absolute;inset:0;display:flex;flex-direction:column;justify-content:center;align-items:center;color:#8a9b90}#camera-placeholder>span{font-size:30px}#camera-placeholder p{font-size:10px;margin:2px 0 12px}.video-label{position:absolute;bottom:6px;left:8px;background:#fffC;color:#5c7167;font-size:9px;padding:3px 5px;border-radius:4px}.button{border:1px solid transparent;border-radius:7px;min-height:37px;padding:8px 13px;font-size:12px;font-weight:500;white-space:normal}.primary{background:var(--teal);color:#fff}.secondary{background:#fff;color:var(--ink);border-color:#d4ded2}.quiet{background:transparent;color:var(--muted);border-color:transparent}.danger{background:#963b3b;color:white}.full{display:block;width:100%;margin-top:8px}.hint{font-size:10px;color:var(--muted);line-height:1.8;margin:11px 0 0}.setup-card label{display:block;font-size:11px;color:var(--muted);margin:12px 0 6px}select{width:100%;padding:9px 10px;background:#fcfdf9;border:1px solid var(--line);color:var(--ink);border-radius:6px;font-size:12px;min-height:38px}.setting-summary{display:flex;justify-content:space-between;gap:7px;flex-wrap:wrap;color:var(--muted);font-size:9px;padding:13px 0 6px}.page-foot{display:flex;justify-content:space-between;gap:10px;padding:22px 0 0;font-size:10px;color:#849184}.notice{padding:12px 15px;background:#fff4df;color:#79561e;border:1px solid #e9d8b6;border-radius:8px;font-size:12px;line-height:1.7;margin-bottom:18px}.notice.success{background:#e8f1e4;color:#356046;border-color:#cdddc7}.result-panel{margin-top:24px;background:white;border:1px solid var(--line);border-radius:13px;padding:23px}.result-heading{display:flex;gap:15px;justify-content:space-between;align-items:center}.result-heading h2{font-size:21px;margin:0 0 8px}.result-heading p{font-size:11px;color:var(--muted);margin:0}.export-actions{display:flex;gap:8px}.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:22px 0}.metric{padding:16px;background:#f5f7f1;border-radius:8px}.metric small{font-size:10px;color:var(--muted)}.metric strong{display:block;font-size:27px;font-weight:500;margin:9px 0 0;font-variant-numeric:tabular-nums}.metric .unit{font-size:12px;font-weight:400}.table-scroll{overflow-x:auto}table{border-collapse:collapse;width:100%;text-align:left;font-size:11px}th{color:var(--muted);font-weight:400}th,td{padding:11px 8px;border-bottom:1px solid #e7ece2;white-space:nowrap}.history-toolbar{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:22px}.history-toolbar label{display:flex;align-items:center;gap:12px;font-size:12px}.history-toolbar select{width:155px}.history-card{display:flex;align-items:center;justify-content:space-between;gap:20px;border:1px solid var(--line);border-radius:12px;padding:20px;background:white;margin-bottom:12px}.history-card h2{margin:0 0 8px;font-size:15px}.history-card p{font-size:11px;color:var(--muted);margin:0}.history-metrics{display:flex;gap:20px;align-items:center}.history-metrics strong{font-size:22px;font-weight:500}.history-metrics small{display:block;font-size:10px;color:var(--muted);margin-top:4px}.empty-state{text-align:center;padding:75px 25px;border:1px dashed #cfdac9;border-radius:12px}.empty-state h2{font-size:20px}.empty-state p{color:var(--muted);font-size:13px}.guide-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px}.guide-card{background:white;border:1px solid var(--line);border-radius:12px;padding:27px}.guide-number{font-size:30px;font-weight:400;color:#92ac82;display:block;margin-bottom:18px}.guide-card h2{font-size:19px}.guide-card p{color:var(--muted);font-size:13px;margin-bottom:8px}.guide-note{margin-top:20px}dialog{border:1px solid var(--line);border-radius:14px;max-width:440px;padding:28px;color:var(--ink);box-shadow:0 15px 70px #12392a25}dialog::backdrop{background:#153e3a55}dialog h2{font-size:21px}dialog p{font-size:13px;color:var(--muted)}.dialog-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:20px}
@media(min-width:1600px){.stage{height:540px}}@media(max-width:1120px){.shell{grid-template-columns:175px minmax(0,1fr)}.rail{padding:30px 16px}.view{padding:26px 24px}.topbar{padding:0 24px}.workspace-grid{grid-template-columns:minmax(0,1fr) 236px;gap:15px}.stage{height:460px}.setup-card{padding:14px}.steps li{padding:12px;gap:8px}.steps small{font-size:9px}.canvas-status{align-items:flex-start;flex-direction:column;gap:7px}}@media(max-width:860px){.shell{display:block}.rail{height:auto;position:static;padding:18px 22px;display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:20px}.brand{font-size:23px}.brand small,.project-label,.rail-bottom{display:none}.brand-mark{width:34px;height:34px;font-size:30px}.rail nav{display:flex;gap:4px}.nav-item{padding:10px}.nav-item>span:first-child{display:none}.topbar{height:48px}.workspace-grid{grid-template-columns:minmax(0,1fr) 240px}.metric-grid{grid-template-columns:repeat(2,1fr)}.stage{height:470px}}@media(max-width:650px){.rail{padding:14px 16px;gap:8px}.brand{font-size:21px}.brand-mark{display:none}.nav-item{font-size:11px;padding:9px 8px}.count{display:none}.view{padding:23px 16px}.topbar{padding:0 16px;font-size:9px}.page-heading>p{font-size:12px}.steps li{padding:12px 8px;gap:6px}.steps b{width:24px;height:24px;font-size:10px;flex-shrink:0}.steps span{font-size:10px}.steps small{display:none}.workspace-grid{display:flex;flex-direction:column}.practice-panel,.control-panel{width:100%}.control-panel{grid-template-columns:1fr 1fr;gap:12px}.stage{height:390px}.setup-card{padding:12px}.camera-preview{height:112px}.card-heading{align-items:flex-start;gap:5px}.small-badge{font-size:9px}.card-heading h2{font-size:12px}.button{font-size:11px;padding:9px}.stage-foot{font-size:9px;padding:12px}.canvas-status{flex-direction:row;font-size:10px}#hold-label{white-space:normal;font-size:9px}.page-foot{flex-direction:column}.result-heading{align-items:flex-start;flex-direction:column}.result-panel{padding:17px}.metric-grid{gap:10px}.metric{padding:13px}.metric strong{font-size:25px}.history-card{align-items:flex-start;flex-direction:column}.history-metrics{width:100%;justify-content:space-between}.guide-grid{grid-template-columns:1fr}.guide-card{padding:22px}.history-toolbar select{width:128px}.history-toolbar .button{font-size:10px}}@media(prefers-reduced-motion:reduce){*{transition:none!important}}

.setup-card label.gaze-option{display:flex;align-items:center;gap:7px;color:var(--ink);font-size:11px;cursor:pointer}.gaze-option input{accent-color:var(--teal);width:15px;height:15px;margin:0}.target[data-tracking="holding"] .target-core{background:#857340}.target[data-tracking="away"] .target-core{background:#58766d}