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.back-link{font-size:11px;min-height:25px}.question-progress{flex-direction:column;align-items:flex-end;gap:8px;font-size:10px}.mini-progress span{width:12px}.question-layout{gap:20px}.question-sheet{padding:17px 17px 9px;border-radius:10px}.question-meta{margin-bottom:12px}.question-meta>div{gap:10px;font-size:10px}.id-label{font-size:11px}.question-sheet h1{font-size:22px;line-height:1.55;margin-bottom:16px}.question-stem{font-size:15px;line-height:1.95}.condition-list{font-size:12px;padding:12px 12px 12px 25px;margin:17px 0 20px;line-height:1.9}.condition-list li+li{margin-top:5px}.question-figure{margin-bottom:18px}.question-figure figcaption{font-size:10px}.zoom-cue{font-size:9px;padding:3px 5px}.inline-figure .ray-diagram{min-height:130px}.option{padding:13px 12px;font-size:13px;gap:10px}.option-letter{width:22px;height:22px;font-size:10px}.options{gap:9px}.answer-fields{grid-template-columns:1fr;gap:8px}.answer-field>label{font-size:12px;min-height:22px}.unit-input input{font-size:15px;padding:11px}.unit-input select{font-size:11px;min-width:85px}.answer-actions{gap:7px;margin-top:17px;position:sticky;bottom:0;background:#fff;padding:10px 0;z-index:2;border-top:1px solid #f0f1ed}.answer-actions .button{padding:10px 12px;font-size:12px}.hint-button{font-size:11px;margin-left:auto}.hint-button .icon{width:15px;height:15px}.feedback{margin-top:22px;padding-top:19px}.feedback-heading{gap:9px}.feedback-heading h2{font-size:17px}.feedback-heading p{font-size:10px}.feedback-heading>.icon{width:22px;height:22px;min-width:22px;padding:3px}.score{font-size:22px}.score small{font-size:10px}.feedback>p{font-size:13px}.field-results{padding:3px 10px}.field-results>div{font-size:11px}.field-results p{font-size:10px}.feedback-actions{gap:7px}.feedback-actions .button{font-size:12px;padding:9px 13px}.feedback-actions .text-link{font-size:11px}.explanation,.experiment{padding:0 12px}.explanation summary,.experiment summary{font-size:12px;line-height:1.65;min-height:48px}.explanation ol{font-size:12px;padding-left:20px}.question-aside{grid-template-columns:1fr;gap:0}.question-aside .aside-block{padding:18px 0}.application-link{grid-template-columns:1fr 20px}.source-details{font-size:10px;overflow-wrap:anywhere}.source-details summary{font-size:11px}.experiment-controls{gap:7px}.experiment-controls label{flex-basis:100%;font-size:11px}.experiment-controls input[type=number]{width:78px}.experiment-controls .icon-button{width:36px}.experiment-values{grid-template-columns:1fr 1fr;gap:12px}.experiment-values>div:last-of-type{grid-column:1/-1}.experiment-values strong{font-size:11px}.experiment-values>div>span{font-size:9px}.experiment-values p{font-size:10px}.preset-row .chip{font-size:10px;padding:6px 9px}.attempt-note{font-size:10px;line-height:1.8}.task-cards{grid-template-columns:1fr;gap:22px}.task-cover{padding:20px 23px}.task-cover .topic-drawing{height:120px;margin:16px auto}.task-card-body{padding:23px}.task-card-body h2{font-size:22px}.task-card-body>p:not(.eyebrow){font-size:13px}.task-card-body .eyebrow{font-size:10px}.task-card-links{margin-top:22px}.notice{font-size:12px;padding:15px;gap:10px}.notice p{font-size:12px;line-height:1.9}.notice strong{font-size:13px}.notice>.icon{width:17px;min-width:17px}.task-heading{gap:12px}.version-label{font-size:10px}.context-card{padding:15px;gap:10px;flex-wrap:wrap;font-size:12px}.context-card>div{flex:1;min-width:200px}.context-card p{font-size:11px}.context-card .text-link{font-size:11px}.panel{padding:20px 17px;border-radius:10px;margin-bottom:19px}.panel h2{font-size:19px}.panel .section-title{align-items:flex-start;flex-wrap:wrap}.panel .section-title .text-link{font-size:10px}.spec-row{grid-template-columns:82px 1fr;gap:10px;padding:15px 0}.spec-row>strong{font-size:11px}.spec-value{font-size:12px}.spec-row p{font-size:10px;line-height:1.9}.conditions-details{font-size:11px;line-height:1.9}.conditions-details ul{padding-left:18px}.neutral-tag{font-size:9px}.prep-fields{grid-template-columns:1fr;gap:17px;margin-top:21px}.prep-panel>.muted{font-size:12px}.reference-table>div{font-size:11px;grid-template-columns:1fr}.reference-table strong{font-size:12px}.checklist label{font-size:12px;line-height:1.95}.notes-label{font-size:12px}.prep-panel .button-row{gap:10px}.prep-panel .micro{font-size:10px}.task-aside .sticky-aside{grid-template-columns:1fr;gap:0}.task-aside .aside-block{padding:0 0 22px}.compact-list{font-size:11px}.evaluation-preview p{font-size:12px}.report-meta{grid-template-columns:1fr 1fr;overflow:hidden}.report-meta>div{padding:16px;border-bottom:1px solid var(--line)}.report-meta>div:nth-child(2){border-right:0}.report-meta>div:nth-child(3){border-bottom:0}.report-meta span{font-size:10px}.report-meta strong{font-size:11px}.sample-banner{padding:17px;gap:10px}.sample-banner strong{font-size:13px}.sample-banner p{font-size:11px;line-height:1.9}.sample-banner>.icon{min-width:18px;width:18px}.report-legend{gap:9px}.status{font-size:10px;padding:4px 6px}.report-table table{min-width:760px}.report-table th{font-size:10px}.report-table td{font-size:11px;padding:16px}.report-table td strong{font-size:12px}.report-footnote{padding:22px 0}.report-footnote p{font-size:11px;line-height:1.9}.record-stats{grid-template-columns:1fr 1fr;gap:23px 0;margin-bottom:28px}.record-stats>div{padding-left:20px}.record-stats>div:nth-child(3){padding-left:0}.record-stats>div:nth-child(2){border:0}.record-stats strong{font-size:27px}.record-stats p{font-size:11px}.record-tabs{gap:5px}.record-tabs .chip{font-size:10px;padding:6px 9px;min-height:38px}.record-item{padding:19px 15px}.record-item-head{gap:10px;align-items:flex-start;flex-wrap:wrap}.record-item-head>div{flex:1;min-width:160px}.record-item-head h3{font-size:13px}.record-item-head p{font-size:10px;line-height:1.8}.record-item-head .text-link{font-size:10px;min-height:28px;margin-left:49px}.record-item details{margin-left:0;font-size:11px;margin-top:9px}.attempt-entry{font-size:10px}.attempt-entry p{font-size:10px}.saved-task-row{gap:10px;flex-wrap:wrap;padding:18px 0}.saved-task-row strong{font-size:12px;flex:1}.saved-task-row>span:not(.mono){margin-left:50px;order:4;flex-basis:100%}.record-bottom{flex-direction:column;gap:5px;align-items:flex-start;font-size:10px}.session-list a{padding:14px;font-size:11px;gap:8px}.session-list a>span:last-child{white-space:nowrap;flex-shrink:0}.session-list small{font-size:9px}.result-topic{padding:20px}.result-topic h2{font-size:16px}.evidence p{font-size:12px}.empty-state{padding:43px 20px}.empty-state h3{font-size:16px}.empty-state p{font-size:12px}.modal-header{padding:13px 17px;gap:12px}.modal-header h2{font-size:17px}.modal-body{padding:19px;font-size:13px}.modal-lead{font-size:14px}.about-list{grid-template-columns:1fr;gap:6px;margin:21px 0}.about-list dt{margin-top:8px}.about-list dd{font-size:12px}.toast{bottom:84px;font-size:12px;max-width:calc(100vw - 28px);width:max-content;padding:10px 15px}.question-view .toast{bottom:22px}.boot,.boot-error{padding:20px;margin:12vh auto}}
@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;animation:none!important;transition:none!important}.button:hover,.topic-card:hover{transform:none}}
@media print{.rail,.topbar,.breadcrumb,.site-footer,.button,.icon-button,.question-aside,.task-aside,.toast{display:none!important}.workspace{margin:0}.workspace main{padding:0;max-width:none}.question-layout,.task-layout{display:block}.panel,.question-sheet{border:0}.report-table table{min-width:0}.table-scroll{overflow:visible}body{background:white}.task-main,.question-sheet{width:100%}}
.ray-zoom{display:block;width:100%;padding:0;border:1px solid #e2e5e8;border-radius:8px;overflow:hidden;position:relative;text-align:left;background:white}.zoom-cue{top:7px;bottom:auto}.zoom-image .ray-diagram{width:100%;min-width:760px}.task-shortcuts{display:none}
@media(max-width:940px){.task-shortcuts{display:flex;margin-bottom:23px}}
@media(max-width:700px){.answer-actions{position:static;padding:15px 0 0;border-top:0;z-index:auto}.report-table{overflow:visible}.report-table table,.report-table tbody{display:block;min-width:0;width:100%}.report-table thead{display:none}.report-table tr{display:grid;grid-template-columns:1fr 1fr;gap:12px;padding:20px 17px;border-bottom:1px solid var(--line)}.report-table tr:last-child{border-bottom:0}.report-table td{display:block;padding:0;border:0;font-size:12px}.report-table td:first-child,.report-table td:nth-child(4),.report-table td:last-child{grid-column:1/-1}.report-table td:first-child{margin-bottom:3px}.report-table td:before{content:attr(data-label);display:block;color:var(--muted);font:10px/1.8 var(--body);margin-bottom:4px}.report-table td:first-child:before{display:none}.report-table td strong{font-size:14px}.report-table small{font-size:11px;max-width:none}.report-table .text-link{font-size:11px}.report-table .status{font-size:11px}.task-shortcuts .button{font-size:12px;padding:10px 13px}}

/* 题库中的表格与简答输入复用正文排版。 */
.question-table-wrap{overflow-x:auto;margin:24px 0}
.question-data-table{width:100%;border-collapse:collapse;font-size:14px;text-align:left}
.question-data-table caption{font-weight:600;text-align:center;padding:0 0 10px}
.question-data-table th,.question-data-table td{padding:12px 16px;border:0;text-align:left}
.question-data-table thead{border-top:1.5px solid var(--ink);border-bottom:1px solid var(--ink)}
.question-data-table tbody{border-bottom:1.5px solid var(--ink)}
.short-answer-label{display:block;font-weight:600;margin:20px 0 10px}
#short-answer{display:block;width:100%;resize:vertical;min-height:180px;padding:14px;border:1px solid var(--line);border-radius:6px;background:white;font:inherit;line-height:1.8;color:inherit}
#short-answer:focus{outline:2px solid var(--accent);outline-offset:2px}
#short-answer[aria-invalid=true]{border-color:#a54136}
#short-answer:disabled{background:#f8f8f5;opacity:1}
.record-response{white-space:pre-wrap;overflow-wrap:anywhere}
.version-note{font-size:12px;background:#f3f2ed;padding:12px}
.version-note a{text-decoration:underline}
.question-map{grid-template-columns:repeat(3,minmax(0,1fr))}
.mini-progress{max-width:180px;gap:3px}
.mini-progress span{flex:1;min-width:3px}
.record-tabs{flex-wrap:wrap}
@media(max-width:700px){.question-data-table{font-size:12px}.question-data-table th,.question-data-table td{padding:10px 7px}.mini-progress{max-width:125px}#short-answer{font-size:14px}.record-tabs{gap:4px}}

/* 官网账号入口与同步状态 */
.account-button{display:inline-flex;align-items:center;gap:8px;background:transparent;border:1px solid var(--line,#deded8);border-radius:6px;padding:8px 12px;min-height:40px;color:inherit;font:inherit;font-size:13px;text-decoration:none;max-width:180px;cursor:pointer}
.account-button span{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.account-button svg{width:17px;height:17px;flex:none}
.knowledge-return{font-size:13px;color:var(--muted,#656963);text-decoration:none;white-space:nowrap}
.local-label{font-size:12px;color:#656963;white-space:nowrap}
.login-gate{max-width:640px;padding:72px 0 100px}
.login-gate h1{font-size:36px;margin:12px 0 20px}
.login-gate p{color:#62665f;line-height:1.8}
.save-state.unsaved{color:#9b431c}
.topbar .save-state span{display:inline}
@media(max-width:767px){
  .topbar{flex-wrap:wrap;height:auto;min-height:72px;gap:8px;padding-block:12px}
  .topbar-right{gap:10px;min-width:0}
  .account-button{max-width:125px;font-size:12px;padding:6px 9px}
  .knowledge-return{font-size:12px}
  .login-gate{padding:35px 0 60px}
  .login-gate h1{font-size:28px}
}
@media(max-width:390px){
  .topbar-right{width:100%;justify-content:flex-end}
  .topbar .product-name{margin-right:auto}
}