/* 与现有导师同一米白、墨绿、陶土色系；只作用于大学学习界面。 */
#topicForm [hidden],#universityQuizPanel[hidden],#universityGradeReview[hidden],#universityGradeReview [hidden]{display:none!important}
body[data-creation-variant=student] #topicStage{grid-template-columns:minmax(0,760px);justify-content:center}
.university-mode-line {display:flex;align-items:center;justify-content:space-between;gap:1rem;border-bottom:1px solid #d5d8ca;padding-bottom:1rem;margin-bottom:1.25rem;color:#20483f}
.university-variant-dialog{max-width:620px;width:calc(100% - 2rem);background:#faf9f3;color:#1b423b;border:1px solid #d5d8ca;border-radius:14px}
.university-variant-options{display:grid;gap:.8rem;margin-top:1.5rem}
.university-variant-options button{font:inherit;text-align:left;border:1px solid #c7cfc2;border-radius:9px;padding:1.1rem;background:transparent;color:inherit;cursor:pointer}
.university-variant-options strong,.university-variant-options span{display:block}
.university-variant-options strong{font-size:1.2rem;font-weight:500;margin-bottom:.4rem}
.university-variant-options span{font-size:.92rem;color:#6e7e75;line-height:1.6}
.university-variant-options button:hover:not(:disabled),.university-variant-options button:focus-visible{border-color:#a45434;background:#efeee4}
.university-variant-options button:disabled{opacity:.5;cursor:default}
#universityCoursePicker{border-bottom:1px solid #d5d8ca;padding-bottom:1.5rem;margin-bottom:1.4rem}
#universityCoursePicker label{display:block;margin:.8rem 0 .4rem}
#universityCoursePicker input,#universityCoursePicker textarea{box-sizing:border-box;width:100%;font:inherit}
#universityCourseTree{max-height:310px;overflow:auto;border-top:1px solid #d5d8ca;margin-top:1rem;overscroll-behavior:contain}
#universityCourseTree details{border-bottom:1px solid #d5d8ca;padding:.65rem .2rem}
#universityCourseTree details details{margin-left:1rem;border-bottom:0}
#universityCourseTree summary{cursor:pointer;color:#20483f;line-height:1.8}
.university-course-options{display:flex;flex-wrap:wrap;gap:.4rem;margin:.6rem 0}
.university-course-options button{font:inherit;font-size:.9rem;cursor:pointer;background:transparent;border:1px solid #d5d8ca;color:#20483f;border-radius:6px;padding:.45rem .7rem}
.university-course-options button[aria-pressed=true]{background:#20483f;color:#faf9f3}
.university-course-options button:disabled{opacity:.5;cursor:default}
.university-course-meta{color:#758578;font-size:.85rem;line-height:1.5}
.university-aids{border-top:1px solid #d5d8ca;margin-top:1.5rem;padding-top:1rem}
.university-aids nav{display:flex;flex-wrap:wrap;gap:.6rem}
.university-aids nav button,.university-downloads button{font:inherit;color:#20483f;border:1px solid #bfcabd;background:transparent;border-radius:6px;padding:.55rem .8rem;cursor:pointer}
.university-aid-card{border:1px solid #d5d8ca;border-radius:9px;background:#f7f6ee;padding:1rem;margin:.8rem 0;line-height:1.8;overflow-wrap:anywhere;white-space:pre-wrap}
button.university-aid-card{display:block;width:100%;text-align:left;font:inherit;color:inherit;cursor:pointer}
.university-aid-card h4{margin:0 0 .5rem;font-weight:500}
.university-downloads{display:flex;gap:.7rem;margin-top:.8rem;flex-wrap:wrap}
.university-error{color:#a45434;line-height:1.7}
.university-status{color:#697e70;font-size:.9rem;line-height:1.7}
.university-question{border:0;border-bottom:1px solid #d5d8ca;padding:1rem 0;margin:0}
.university-question legend{font-size:1.05rem;line-height:1.7;white-space:pre-wrap}
.university-question label{display:block;padding:.6rem 0;line-height:1.6}
.university-question input:not([type=radio]),.university-question textarea{width:100%;box-sizing:border-box;font:inherit}
.university-question input[type=radio]{margin-right:.65rem}
.university-actions{display:flex;gap:.6rem;flex-wrap:wrap;margin:1rem 0}
body[data-university-student=true] #checkpointContent,body[data-university-student=true] .answer-field,body[data-university-student=true] .answer-actions,body[data-university-student=true] #submitMessage{display:none!important}
.university-local-note{margin:1rem;text-align:right;font-size:.72rem;color:#697e70;pointer-events:none}
@media(max-width:600px){.university-variant-dialog .dialog-body{padding:1.1rem}.university-mode-line{gap:.5rem}#universityCourseTree{max-height:260px}.university-variant-options strong{font-size:1.1rem}}