.course h2{font-size:20px}.step-link{font-size:12px;padding:12px 10px}.task-panel{min-width:0}.operation{padding:10px 12px;background:#f5f7f8;margin:7px 0;border-left:3px solid #d3dde1;border-radius:4px;font-size:12px}.operation.pass{border-color:#168374;background:#edf7f3;color:#126e63}.operation small{float:right}.widget-title{font-size:13px;margin:22px 0 10px}.device-map{display:grid;gap:10px;padding:12px;background:#edf3f6;border-radius:8px;font-size:12px}.device-map b{color:#1b736a}.camera-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:5px;margin:12px 0}.camera-grid button{padding:9px 2px;font-size:11px}.camera-grid .offline{background:#fff0ee;color:#b84c42;border-color:#e9b5ae}.camera-grid .online{background:#edf8f2;color:#247864}.coverage-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:6px;padding:10px;background:#e8eef2;border-radius:8px;margin:10px 0}.coverage-grid button{height:50px;font-size:12px}.coverage-grid button.swept{background:#167e74;color:white}.body-map{position:relative;height:280px;background:#eef3f6;border-radius:8px;margin:12px 0}.body-map svg{width:100%;height:100%}.body-map button{position:absolute;font-size:10px;padding:4px 6px;transform:translate(-50%,-50%);white-space:nowrap}.body-map button.placed{background:#d3f0e4;border-color:#69aa94}.body-map button.wrong{background:#fde5dd;border-color:#d38e7a}.action-buttons{display:flex;gap:6px;flex-wrap:wrap;margin:10px 0}.action-buttons button{font-size:11px}.panel-status{padding:10px;background:#edf4f7;border-radius:5px;font-size:11px;line-height:1.8;margin:10px 0}.signal-alert{color:#b1583e;font-weight:600}.mini-frame{height:94px;background:#203747;border-radius:8px;position:relative;overflow:hidden;margin:10px 0}.mini-face{position:absolute;left:50%;top:50%;border:2px solid #94ddca;border-radius:45%;width:40px;height:60px;background:#bc9b83;transform:translate(-50%,-50%);text-align:center;color:#263d4c;line-height:52px}.frame-border{position:absolute;inset:10px 25%;border:1px dashed #77c7bd}.scene-caption{font-size:10px}#feedback{padding:9px 0;min-height:30px}.reference-photo{width:100%;border-radius:8px}.record-section{margin-top:20px}.stage-section{padding-top:7px}.lab-layout{grid-template-columns:minmax(0,1fr) 350px}.metric-note{color:#697e8c}.step-heading p{font-size:13px}#operation-checks{margin-bottom:16px}.task-head p{padding-bottom:10px;margin-bottom:10px}#controls button{min-height:32px}.stage-help{margin-top:8px;font-size:11px;color:#687e8c}.snapshot-row p{color:#647b88}.form-label{display:block;font-size:11px;margin:12px 0 4px}.event-list{max-height:220px;overflow:auto;font-size:11px}.transfer-banner{padding:10px;border:1px solid #e4c68a;background:#fff8e8;font-size:12px;border-radius:6px}.marker-source{display:flex;gap:5px;flex-wrap:wrap}.marker-source button{font-size:11px}.marker-source .selected{background:#167e74;color:#fff}.task-panel h4{font-size:12px;margin:20px 0 8px}.toolbar-note{padding:12px 14px;background:#ebf3f5;color:#56727d;font-size:11px}.metrics strong{font-size:22px}@media(max-width:1200px){.lab-layout{grid-template-columns:minmax(0,1fr) 300px}}@media(max-width:1050px){.lab-layout{display:flex;flex-direction:column}.visual-column,.task-panel{width:100%}.task-panel{padding:22px}.coverage-grid{max-width:360px}.body-map{max-width:370px}.stage-section{max-width:650px}}@media print{.event-list{max-height:none}}
.school-logo{position:relative;display:block;flex-shrink:0;width:54px;height:54px;overflow:hidden;border-radius:50%;background:#075b98}.school-logo img{position:absolute;width:120px;max-width:none;height:auto;left:50%;top:50%;transform:translate(-49%,-48%)}.brand small{font-size:10px;letter-spacing:.6px;margin-top:3px}.auto-record{margin-top:20px;border-top:1px solid var(--line);padding:16px 0 4px}.auto-record p{white-space:pre-line;font-size:12px;line-height:1.9;color:#5e7483;background:#f0f5f7;padding:12px;border-radius:6px}.auto-record small{color:#7c929c;font-size:11px}.auto-record[hidden],.record-section[hidden]{display:none}#viewport{background:linear-gradient(145deg,#eaf0f4,#dbe5eb)}

#learning-panel{background:#fff9e9;border:1px solid #e2c079;border-radius:12px;padding:20px;margin:0 0 20px;line-height:1.8}#learning-panel h3{margin:8px 0}.learning-phases{color:#805a17}.tutorial-target{outline:3px solid #d9a63e;outline-offset:5px;background:#fffaf0!important}body[data-learning="test"] .timeline-labels{visibility:hidden}body[data-learning="report"] #controls{opacity:.7}button:disabled{cursor:not-allowed;opacity:.5}

[hidden]{display:none!important}

.backend-bar{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:12px 24px;background:#eaf4f3;border-bottom:1px solid #cee3df;font-size:13px}.backend-bar span{margin-right:auto}

/* ai-entry-emphasis-v1 */
.backend-bar #ai-open {
  display:grid;
  grid-template-columns:32px auto;
  column-gap:10px;
  align-items:center;
  min-width:180px;
  min-height:58px;
  padding:10px 18px;
  border:1px solid #08675e;
  border-radius:12px;
  background:#08675e;
  color:#fff;
  font-size:17px;
  font-weight:700;
  line-height:1.35;
  text-align:left;
  box-shadow:0 4px 12px #08675e26;
}
.backend-bar #ai-open::before {
  content:"✦";
  grid-row:1 / 3;
  font-size:30px;
  color:#ffe3a0;
}
.backend-bar #ai-open::after {
  content:"遇到问题，点这里";
  grid-column:2;
  font-size:12px;
  font-weight:400;
  color:#e1f5ef;
}
.backend-bar #ai-open:hover {background:#064e48;border-color:#064e48}
.backend-bar #ai-open:focus-visible {outline:3px solid #a86500;outline-offset:3px}
@media(max-width:600px) {
  .backend-bar {padding:12px 16px;gap:10px}
  .backend-bar #backend-state {flex-basis:100%}
  .backend-bar #ai-open {width:100%}
}