:root{color-scheme:light;font-family:Microsoft YaHei,Segoe UI,Arial,sans-serif;background:#f7f8fa;color:#1f2937}.growth-shell{--growth-ink:#183153;--growth-muted:#5d6d80;--growth-blue:#2667d8;--growth-mint:#16a085;width:min(1180px,100%);min-height:100vh;margin:0 auto;padding:28px 24px 72px;overflow-x:clip;color:var(--growth-ink)}.growth-controls,.growth-nav,.panel-title-row{display:flex;align-items:center;justify-content:space-between;gap:16px}.growth-nav{margin-bottom:24px}.growth-hero>p:first-child,.growth-nav p{margin:0 0 5px;color:var(--growth-blue);font-size:12px;font-weight:800;letter-spacing:.14em}.growth-nav nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.growth-nav a{min-height:40px;padding:10px 12px;color:var(--growth-ink);text-decoration:none}.growth-controls{margin-bottom:18px;padding:12px 16px;border:1px solid #dbe4ef;border-radius:12px;background:#fff}.growth-controls label{display:flex;align-items:center;gap:10px;font-weight:700}.growth-controls select{min-height:40px;padding:7px 34px 7px 10px;border:1px solid #b9c9dc;border-radius:8px;background:#fff}.growth-controls>span{padding:5px 9px;border-radius:999px;background:#e9f7f2;color:#08745e;font-size:12px;font-weight:800}.growth-inline-error{padding:10px 14px;border:1px solid #edc66b;border-radius:9px;background:#fff9e8;color:#714b00}.growth-filter{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:6px}.growth-filter button{min-height:38px}.growth-filter button.active{border-color:var(--growth-blue);background:#eaf2ff;color:#164f9f;font-weight:800}.activity-summary{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:10px;gap:10px;margin-top:18px}.activity-summary span{padding:14px;border:1px solid #dce7f1;border-radius:10px;background:#fff;font-weight:700;text-align:center}.growth-hero{position:relative;overflow:hidden;min-height:235px;padding:clamp(28px,5vw,58px);border-radius:24px;background:linear-gradient(130deg,#eef6ff,#edfdf7 55%,#fff8e9);box-shadow:inset 0 0 0 1px rgba(38,103,216,.12)}.growth-hero:after{content:"✦";position:absolute;right:7%;top:8%;color:rgba(38,103,216,.15);font-size:130px;transform:rotate(12deg)}.growth-hero h2{position:relative;z-index:1;max-width:820px;margin:10px 0 14px;font-size:clamp(28px,4.3vw,50px);line-height:1.17;letter-spacing:-.03em}.growth-hero>p:last-child{position:relative;z-index:1;max-width:760px;margin:0;color:var(--growth-muted);font-size:17px;line-height:1.8}.growth-shell .summary-grid{grid-template-columns:repeat(5,minmax(0,1fr));margin:18px 0}.summary-card{display:grid;align-content:start;min-height:170px;padding:18px;border-radius:14px;box-shadow:0 8px 30px rgba(29,55,86,.05)}.summary-card p{margin:0 0 14px;font-size:13px;font-weight:800}.summary-card strong{margin-bottom:12px;font-size:clamp(21px,2.4vw,29px)}.summary-card span{margin-top:5px;color:var(--growth-muted);font-size:12px;line-height:1.4}.growth-panel{margin-top:18px;padding:clamp(18px,3vw,28px);border:1px solid #e0e8f1;border-radius:18px;background:#fff;box-shadow:0 8px 30px rgba(29,55,86,.045)}.growth-panel>h2,.panel-title-row h2{margin:0 0 20px;font-size:clamp(20px,2.5vw,28px)}.panel-title-row h2{margin-bottom:0}.calendar-scroll,.table-scroll,.timeline-scroll{max-width:100%;overflow-x:auto}.growth-line-chart{display:block;width:100%;min-width:620px;height:330px;overflow:visible}.chart-grid{stroke:#dce7f2;stroke-width:.5;stroke-dasharray:2 2}.chart-line{fill:none;stroke:var(--growth-blue);stroke-width:2.4;stroke-linejoin:round}.chart-point{fill:#fff;stroke:var(--growth-blue);stroke-width:1.8}.growth-line-chart text{fill:var(--growth-ink);font-size:4px;font-weight:800}.growth-panel table{min-width:640px;margin-top:18px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.dimension-chart{display:grid;grid-gap:13px;gap:13px}.dimension-bar{display:grid;grid-template-columns:minmax(150px,1.2fr) 4fr 48px;grid-gap:12px;gap:12px;align-items:center}.bar-track{height:13px;overflow:hidden;border-radius:99px;background:#eaf0f6}.bar-track>span{display:block;height:100%;border-radius:inherit;background:linear-gradient(90deg,var(--growth-blue),var(--growth-mint))}.dimension-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-gap:10px;gap:10px;padding:0;list-style:none}.dimension-list li{display:grid;grid-gap:5px;gap:5px;padding:14px;border:1px solid #e5edf5;border-radius:10px}.dimension-list small,.dimension-list span{color:var(--growth-muted)}.badge-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(175px,1fr));grid-gap:12px;gap:12px}.achievement-badge{display:grid;justify-items:center;grid-gap:8px;gap:8px;min-height:220px;padding:18px 12px;border-radius:14px;text-align:center}.achievement-badge small{min-height:42px;color:var(--growth-muted);line-height:1.5}.achievement-badge.locked{opacity:.58;background:#f2f5f8;filter:grayscale(.8)}.achievement-badge.achieved,.achievement-badge.newly-achieved{background:linear-gradient(155deg,#fff,#f3f8ff);border-width:2px;border-color:#93b7ea}.achievement-badge.newly-achieved{box-shadow:0 0 0 4px #fff,0 0 0 7px #e0a600}.achievement-badge label{display:grid;width:100%;grid-gap:4px;gap:4px;color:var(--growth-muted);font-size:11px}.achievement-badge progress{width:100%;accent-color:var(--growth-blue)}.chart-summary{color:var(--growth-muted);line-height:1.6}.badge-shape{display:grid;place-items:center;width:78px;height:78px;border:5px double #9b6a32;border-radius:50%;background:#fff4d9;color:#85521d;font-size:20px}.level-silver .badge-shape{border-radius:18px;border-color:#718096;background:#edf2f7}.level-gold .badge-shape{border-radius:12px 30px;border-color:#9d7100;background:#fff2a8}.level-diamond .badge-shape{border-radius:12px;border-width:7px;border-color:#367ca6;background:#dff7ff;transform:rotate(45deg)}.level-diamond .badge-shape:first-line{transform:rotate(-45deg)}.conquest-columns{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px}.conquest-columns>div{padding:14px;border-radius:12px;background:#f6f9fc}.conquest-columns h3{margin:0 0 10px;font-size:15px}.conquest-columns article{min-height:110px;margin-top:8px;padding:12px}.knowledge-map{display:grid;grid-gap:8px;gap:8px}.knowledge-map details{border:1px solid #e0e9f2;border-radius:9px}.knowledge-map summary{display:flex;justify-content:space-between;gap:14px;padding:14px;cursor:pointer}.knowledge-map details p{padding:0 14px 10px}.calendar-scroll{display:grid;grid-auto-flow:column;grid-template-rows:repeat(7,76px);grid-auto-columns:76px;grid-gap:7px;gap:7px;padding-bottom:10px}.activity-day{display:grid;align-content:center;justify-items:center;grid-gap:2px;gap:2px;border:1px solid #ccdae8;border-radius:9px;background:#f4f8fc}.activity-day[data-intensity="2"]{border-width:2px;background:#dff2ea}.activity-day[data-intensity="3"]{border-width:3px;background:#bce6d8}.activity-day[data-intensity="4"]{border:4px double #0d8068;background:#8fd8c7}.activity-day small,.activity-day span{font-size:11px}.goal-grid,.record-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:12px;gap:12px}.goal-grid article,.record-grid article{display:grid;grid-gap:9px;gap:9px;min-height:175px;border-radius:12px}.record-grid article>span{color:var(--growth-blue);font-size:11px;font-weight:900;letter-spacing:.12em}.goal-grid h3,.record-grid h3{margin:0}.record-grid strong{font-size:32px}.goal-grid progress{width:100%;accent-color:var(--growth-mint)}.growth-summary-card{width:min(680px,100%);min-height:360px;margin:24px auto 10px;padding:clamp(28px,6vw,56px);border-radius:22px;background:linear-gradient(145deg,#17355b,#226a7e);color:#fff;box-shadow:0 22px 60px rgba(19,48,79,.25)}.growth-summary-card h2{margin:8px 0 24px}.growth-summary-card>strong{display:block;margin:20px 0;font-size:clamp(42px,9vw,72px)}.growth-summary-card div{display:flex;flex-wrap:wrap;gap:8px}.growth-summary-card div span{padding:7px 10px;border:1px solid rgba(255,255,255,.4);border-radius:999px}.growth-summary-card p{color:#e6f4ff}.privacy-note{color:var(--growth-muted);text-align:center}.celebration-backdrop{position:fixed;z-index:100;inset:0;display:grid;place-items:center;padding:20px;background:rgba(8,24,43,.64)}.celebration{width:min(470px,100%);padding:40px;border-radius:24px;background:#fff;text-align:center;box-shadow:0 30px 100px rgba(0,0,0,.35);animation:badge-reveal .45s ease-out}.celebration-stars{color:#d18c00;font-size:38px;animation:star-pulse 1.2s ease-in-out infinite alternate}.celebration button{margin-top:18px;background:var(--growth-blue);color:#fff}@keyframes badge-reveal{0%{opacity:0;transform:translateY(20px) scale(.96)}}@keyframes star-pulse{to{transform:scale(1.12);letter-spacing:.15em}}.growth-skeleton{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:14px;gap:14px;padding-top:60px}.growth-skeleton span{min-height:150px;border-radius:14px;background:linear-gradient(90deg,#edf1f5,#f8fafc,#edf1f5);background-size:220% 100%;animation:skeleton 1.5s linear infinite}@keyframes skeleton{to{background-position:-220% 0}}.growth-empty{margin:15vh auto;padding:40px;border:1px solid #dfe8f1;border-radius:18px;background:#fff;text-align:center}[tabindex]:focus-visible,a:focus-visible,button:focus-visible,select:focus-visible,summary:focus-visible{outline:3px solid #ffb000;outline-offset:3px}@media (max-width:980px){.activity-summary,.conquest-columns,.growth-shell .summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:640px){.growth-shell{padding:18px 14px 50px}.growth-nav{align-items:flex-start}.growth-nav nav a{display:none}.growth-controls,.growth-controls label{align-items:stretch;flex-direction:column}.activity-summary,.conquest-columns,.dimension-list,.growth-shell .summary-grid{grid-template-columns:1fr}.panel-title-row{align-items:flex-start;flex-direction:column}.growth-filter{justify-content:flex-start}.dimension-bar{grid-template-columns:115px minmax(100px,1fr) 36px;font-size:12px}.growth-panel{padding:16px}.growth-summary-card{min-height:430px}}.student-learning-shell{width:min(1120px,100%);min-height:calc(100vh - 70px);margin:0 auto;padding:32px 24px 72px}.student-learning-hero{display:flex;align-items:flex-start;justify-content:space-between;gap:28px;margin-bottom:24px;padding:clamp(24px,5vw,46px);border:1px solid #d9e5f2;border-radius:20px;background:linear-gradient(135deg,#eef6ff,#effbf6 60%,#fff9ec)}.student-learning-hero>div:first-child{max-width:720px}.student-learning-hero h1{font-size:clamp(30px,4vw,46px)}.student-learning-hero>div>p:last-child{margin:14px 0 0;color:#526375;line-height:1.75}.student-course-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));grid-gap:18px;gap:18px}.student-course-card{overflow:hidden;min-height:0;padding:0;border-radius:16px;box-shadow:0 10px 34px rgba(30,64,100,.07)}.student-course-card img,.student-course-cover{width:100%;height:160px;object-fit:cover}.student-course-cover{display:grid;place-items:center;background:linear-gradient(130deg,#dcecff,#d9f5e9);color:#28527e;font-size:25px;font-weight:900;letter-spacing:.18em}.student-course-card-body{padding:20px}.student-course-card-body h2{margin:16px 0 8px}.student-chip-row{display:flex;flex-wrap:wrap;gap:7px}.student-chip-row span{padding:5px 9px;border-radius:999px;background:#edf3fa;color:#40566f;font-size:12px}.student-progress-row{display:grid;grid-gap:8px;gap:8px;margin-top:18px}.student-progress-row label{display:grid;grid-template-columns:1fr auto;grid-gap:7px;gap:7px;color:#526375;font-size:13px}.student-progress-row progress{grid-column:1/-1;width:100%;accent-color:#1c7c68}.student-progress-row small{color:#68798a}.student-primary-link{display:inline-flex;align-items:center;justify-content:center;min-height:40px;margin-top:18px;padding:0 15px;border-radius:8px;background:#245fa9;color:#fff;font-weight:800;text-decoration:none}.student-learning-panel,.student-resource-detail,.student-state-card{margin-top:20px;padding:clamp(20px,3.5vw,30px);border:1px solid #dfe7ef;border-radius:16px;background:#fff}.student-state-card{width:min(680px,100%);margin:12vh auto;text-align:center}.student-state-card p{margin:14px 0;color:#5c6d7e;line-height:1.7}.student-section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:18px}.student-learning-panel>h2,.student-section-heading h2{margin:0 0 18px}.student-section-heading>span{color:#64748b}.student-unit-list{display:grid;grid-gap:18px;gap:18px}.student-unit-card{min-height:0;padding:20px;border-radius:13px;background:#fbfcfe}.student-unit-card>header{display:flex;gap:14px}.student-unit-card h3,.student-unit-card h4{margin:0 0 7px}.student-unit-card p{margin:0}.student-unit-number{display:grid;flex:0 0 42px;height:42px;place-items:center;border-radius:11px;background:#235e9f;color:#fff;font-weight:900}.student-chapter{margin:18px 0;padding:13px 15px;border-left:4px solid #32a88a;background:#eefaf6}.student-chapter ul{display:flex;flex-wrap:wrap;gap:8px 20px;margin:10px 0 0;padding-left:20px;color:#40596d}.student-lesson-list{display:grid;grid-gap:10px;gap:10px}.student-lesson-row{display:flex;align-items:center;justify-content:space-between;gap:18px;padding:17px;border:1px solid #dfe7ef;border-radius:11px;background:#fff}.student-content-blocks article>span,.student-knowledge-grid article>span,.student-lesson-row>div>span{color:#28735f;font-size:12px;font-weight:800}.student-lesson-row .student-primary-link{flex:0 0 auto;margin-top:0}.student-breadcrumb{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;color:#627386;font-size:14px}.student-breadcrumb a{color:#245fa9}.student-lesson-facts,.student-progress-summary{display:grid;min-width:190px;grid-gap:8px;gap:8px;padding:18px;border:1px solid rgba(36,95,169,.18);border-radius:13px;background:rgba(255,255,255,.72)}.student-lesson-facts strong,.student-progress-summary strong{font-size:27px}.student-progress-summary progress{width:100%;accent-color:#1c7c68}.student-resource-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(190px,1fr));grid-gap:10px;gap:10px}.student-resource-list a{display:grid;grid-gap:6px;gap:6px;padding:15px;border:1px solid #dfe7ef;border-radius:10px;color:#253d56;text-decoration:none}.student-resource-list span{color:#68798a;font-size:12px}.student-content-blocks,.student-knowledge-grid,.student-practice-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));grid-gap:12px;gap:12px}.student-content-blocks article,.student-knowledge-grid article,.student-practice-list article{min-height:0;border-radius:11px}.student-content-text{white-space:pre-wrap;overflow-wrap:anywhere}.student-practice-list article{display:grid;grid-gap:8px;gap:8px}.student-practice-list .student-assessment-entry{display:grid;min-height:0;grid-gap:8px;gap:8px;padding:18px;border:1px solid #dfe7ef;border-radius:11px;background:#fff;color:inherit;text-decoration:none}.student-practice-list .student-assessment-entry small{color:#245fa9;font-weight:800}.student-muted,.student-practice-list span{color:#68798a}.student-resource-detail{display:grid;grid-template-columns:110px minmax(0,1fr);grid-gap:28px;gap:28px;align-items:start}.student-resource-detail>div:last-child>p{color:#536678;line-height:1.75}.student-resource-icon{display:grid;width:100px;height:100px;place-items:center;border-radius:24px;background:linear-gradient(145deg,#dcecff,#dff7ee);color:#225d87;font-size:26px;font-weight:900}.student-resource-detail dl{display:grid;grid-template-columns:100px 1fr;grid-gap:8px 16px;gap:8px 16px;margin:24px 0 0}.student-resource-detail dt{color:#68798a}.student-resource-detail dd{margin:0;font-weight:700}.student-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:10px}.student-resource-detail .student-actions{justify-content:flex-start}.student-actions .card-link{margin-top:18px}.student-assessment-intro ul{display:grid;grid-gap:9px;gap:9px;padding-left:22px;color:#506477;line-height:1.65}.student-assessment-action{display:inline-grid;gap:7px;margin-right:12px}.student-assessment-action .student-primary-link{border:0;cursor:pointer}.student-assessment-action .student-primary-link:disabled{cursor:wait;opacity:.65}.student-assessment-action p,.student-assessment-warning,.student-form-error{color:#a43232}.student-attempt-header{display:flex;align-items:center;justify-content:space-between;gap:24px}.student-attempt-header h1{margin:3px 0}.student-timer{display:grid;min-width:145px;grid-gap:3px;gap:3px;padding:14px 18px;border-radius:12px;background:#e8f5ef;color:#17634f;text-align:center}.student-timer strong{font-size:25px;font-feature-settings:"tnum";font-variant-numeric:tabular-nums}.student-timer.expired{background:#feecec;color:#a43232}.student-attempt-progress{display:grid;grid-template-columns:auto minmax(180px,1fr);align-items:center;grid-gap:14px;gap:14px;margin:18px 0;color:#526375}.student-attempt-progress progress{width:100%;accent-color:#1c7c68}.student-attempt-layout{display:grid;grid-template-columns:180px minmax(0,1fr);grid-gap:18px;gap:18px}.student-question-nav{align-content:start;display:grid;grid-template-columns:repeat(4,1fr);grid-gap:8px;gap:8px;padding:16px;border:1px solid #dfe7ef;border-radius:14px;background:#fff}.student-question-nav button{height:34px;border:1px solid #ccd9e6;border-radius:8px;background:#fff;cursor:pointer}.student-question-nav button.answered{border-color:#3c9e81;background:#e8f8f1}.student-question-nav button.active{outline:3px solid rgba(36,95,169,.22);border-color:#245fa9}.student-question-card{min-height:460px;padding:clamp(20px,4vw,36px);border:1px solid #dfe7ef;border-radius:16px;background:#fff}.student-question-meta{display:flex;flex-wrap:wrap;gap:7px}.student-question-meta span{padding:4px 8px;border-radius:999px;background:#eef3f8;color:#536678;font-size:12px}.student-question-card h2{margin:20px 0 8px}.student-question-content{white-space:pre-wrap;color:#42576b;line-height:1.75}.student-option-list{display:grid;grid-gap:10px;gap:10px;margin:25px 0 0;padding:0;border:0}.student-option-list legend{margin-bottom:10px;color:#526375;font-weight:800}.student-option-list label{display:flex;align-items:flex-start;gap:11px;padding:14px;border:1px solid #dce5ee;border-radius:10px;cursor:pointer}.student-option-list input{margin-top:3px}.student-option-list span{display:flex;gap:11px;line-height:1.5}.student-text-answer{display:grid;grid-gap:9px;gap:9px;margin-top:25px;color:#526375;font-weight:800}.student-text-answer input,.student-text-answer textarea{width:100%;padding:12px;border:1px solid #cbd8e5;border-radius:9px;font:inherit}.student-fill-blank-list{display:grid;grid-gap:12px;gap:12px;margin-top:25px}.student-fill-blank-item{display:grid;grid-gap:6px;gap:6px;color:#526375;font-weight:800}.student-fill-blank-item input{width:100%;min-width:0;padding:12px;border:1px solid #cbd8e5;border-radius:9px;font:inherit}.student-fill-blank-item input:focus{outline:2px solid #245fa9;outline-offset:1px;border-color:#245fa9}.student-save-status{min-height:22px;margin-top:12px;color:#5f7182;font-size:13px}.student-attempt-actions{display:flex;justify-content:flex-end;gap:9px;margin-top:22px}.student-attempt-actions button{min-height:39px;padding:0 15px;border:1px solid #cbd8e5;border-radius:8px;background:#fff;cursor:pointer}.student-attempt-actions .student-submit-button{border-color:#245fa9;background:#245fa9;color:#fff;font-weight:800}.student-result-score{display:flex;align-items:baseline;min-width:190px;gap:4px;padding:18px;border-radius:15px;background:rgba(255,255,255,.75)}.student-result-score strong{font-size:46px;color:#1b6c58}.student-result-score small{margin-left:auto;color:#245fa9;font-weight:800}.student-result-grid{display:grid;grid-template-columns:repeat(4,1fr);grid-gap:12px;gap:12px}.student-result-grid article{display:grid;grid-gap:5px;gap:5px;padding:18px;border:1px solid #dfe7ef;border-radius:12px;background:#fff;text-align:center}.student-result-grid strong{font-size:26px}.student-result-grid span{color:#657789}.student-result-list{display:grid;grid-gap:14px;gap:14px}.student-result-list article{padding:18px;border:1px solid #dfe7ef;border-radius:11px}.student-result-list header{display:flex;justify-content:space-between;gap:12px}.student-result-list header span{color:#526375;font-size:12px;font-weight:800}.student-result-list dl{display:grid;grid-template-columns:95px 1fr;grid-gap:8px 13px;gap:8px 13px}.student-result-list dt{color:#697a8b}.student-result-list dd{margin:0;white-space:pre-wrap}@media (max-width:700px){.student-learning-shell{padding:22px 15px 52px}.student-learning-hero,.student-lesson-row{align-items:stretch;flex-direction:column}.student-lesson-facts,.student-progress-summary{width:100%}.student-lesson-row .student-primary-link{margin-top:8px}.student-resource-detail{grid-template-columns:1fr}.student-attempt-header{align-items:stretch;flex-direction:column}.student-attempt-layout{grid-template-columns:1fr}.student-question-nav{grid-template-columns:repeat(8,1fr)}.student-result-grid{grid-template-columns:repeat(2,1fr)}}@media (prefers-reduced-motion:reduce){*,:after,:before{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}@media print{body *{visibility:hidden}#share-card,#share-card *{visibility:visible}#share-card{position:absolute;inset:0 auto auto 0;width:100%;box-shadow:none;print-color-adjust:exact}}*{box-sizing:border-box}body{margin:0}.login-shell{display:grid;min-height:100vh;place-items:center;padding:24px;font-family:PingFang SC,Microsoft YaHei,Segoe UI,system-ui,-apple-system,sans-serif;background:radial-gradient(115% 85% at 86% -10%,rgba(255,255,255,.16),transparent 56%),radial-gradient(130% 95% at 4% 106%,rgba(15,20,56,.34),transparent 58%),linear-gradient(150deg,#4154cf,#6a51c9 52%,#8a4fb4)}.login-card{width:min(420px,100%);padding:36px 34px 32px;border:1px solid rgba(255,255,255,.55);border-radius:22px;background:rgba(255,255,255,.86);-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);box-shadow:0 24px 60px rgba(22,26,66,.24)}.login-heading{margin-bottom:26px;text-align:center}.login-logo{display:grid;place-items:center;width:56px;height:56px;margin:0 auto 12px;border-radius:16px;background:linear-gradient(150deg,#4154cf,#8a4fb4);color:#ffffff;font-size:26px;font-weight:800;box-shadow:0 10px 22px rgba(65,84,207,.35)}.login-heading .eyebrow{margin:0 0 14px;color:#6f7a92;font-size:12px;font-weight:700;letter-spacing:.2em}.login-heading h1{margin:0;font-size:30px;line-height:1.3;color:#1d2a44}.login-heading>p:last-child{margin:10px auto 0;color:#5d6a82;font-size:14px;line-height:1.7}.login-form{display:grid;grid-gap:16px;gap:16px}.login-form label{display:grid;grid-gap:7px;gap:7px;color:#33415c;font-size:14px;font-weight:600}.login-form input{width:100%;min-height:46px;padding:10px 14px;border:1px solid #d3dceb;border-radius:11px;background:rgba(255,255,255,.92);color:#1d2a44;transition:border-color .15s ease,background-color .15s ease,box-shadow .15s ease}.login-form input::placeholder{color:#98a2b6}.login-form input:hover:not(:disabled){border-color:#aebeda}.login-form input:focus{border-color:#5a6fe0;background:#ffffff;box-shadow:0 0 0 3px rgba(90,111,224,.16);outline:none}.login-form input:disabled{background:#eef1f6;cursor:not-allowed}.login-form button{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:48px;padding:0 16px;border:0;border-radius:11px;background:linear-gradient(150deg,#4154cf,#8a4fb4);color:#ffffff;font-size:15px;font-weight:700;letter-spacing:.1em;cursor:pointer;box-shadow:0 10px 22px rgba(65,84,207,.3);transition:transform .12s ease,box-shadow .18s ease}.login-form button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 14px 26px rgba(65,84,207,.38)}.login-form button:active:not(:disabled){transform:translateY(0);box-shadow:0 6px 14px rgba(65,84,207,.26)}.login-form button:focus-visible{outline:3px solid rgba(255,255,255,.9);outline-offset:2px}.login-form button:disabled{cursor:wait;box-shadow:none}.login-form button:disabled:before{content:"";width:15px;height:15px;border:2px solid rgba(255,255,255,.5);border-top-color:#ffffff;border-radius:50%;animation:login-spin .7s linear infinite}@keyframes login-spin{to{transform:rotate(1turn)}}.login-error{margin:-2px 0 0;padding:10px 12px;border:1px solid #f2c1c5;border-radius:10px;background:#fdeeee;color:#a03137;font-size:13px;line-height:1.6}.student-session-bar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:14px 32px;border-bottom:1px solid #dbe3ee;background:#ffffff;box-shadow:0 5px 20px rgba(31,41,55,.04)}.student-session-bar>div{display:flex;align-items:baseline;gap:10px}.student-session-bar small,.student-session-bar span{color:#64748b}.student-session-bar strong{color:#1e3a5f}.student-session-bar button:disabled{cursor:wait;opacity:.65}.shell{min-height:100vh;padding:32px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:24px;padding:24px 0 32px}.eyebrow{margin:0 0 8px;color:#5b6472;font-size:14px}h1{margin:0;font-size:32px;line-height:1.2}.status{display:inline-flex;align-items:center;min-height:36px;padding:0 14px;border-radius:6px;font-weight:600}.status.ok{background:#dff7ea;color:#137047}.status.down{background:#ffe8e6;color:#a8352a}.grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}article{min-height:150px;padding:20px;background:#ffffff;border:1px solid #e5e7eb;border-radius:8px}article h2{margin:0 0 12px;font-size:18px}article p{margin:0;color:#4b5563;line-height:1.7}button,input,select,textarea{font:inherit}@media (max-width:640px){.login-card{padding:30px 22px 26px;border-radius:18px}.student-session-bar{align-items:flex-start;padding:14px 18px}.student-session-bar>div{align-items:flex-start;flex-direction:column;gap:3px}}.card-link,.link-button,button{border:1px solid #d1d5db;border-radius:6px;background:#ffffff;color:#1f2937;cursor:pointer;text-decoration:none}.link-button,button{min-height:36px;padding:0 12px}.card-link{display:inline-flex;align-items:center;min-height:34px;margin-top:18px;padding:0 12px}.admin-layout{display:grid;grid-template-columns:220px minmax(0,1fr);grid-gap:20px;gap:20px;align-items:start}.sidebar{display:grid;grid-gap:8px;gap:8px}.seed-button{background:#1f2937;color:#ffffff;border-color:#1f2937}.nav-button{text-align:left}.nav-button.active{background:#e8f0ff;border-color:#8bb4ff;color:#174ea6;font-weight:700}.panel{min-width:0}.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:16px}.panel-head h2{margin:0 0 6px;font-size:22px}.panel-head p{margin:0;color:#667085}.search{display:flex;gap:8px}.search input{width:220px}.editor{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px;padding:16px;margin-bottom:16px;background:#ffffff;border:1px solid #e5e7eb;border-radius:8px}.form-warning{grid-column:1/-1;margin:0;padding:10px 12px;border:1px solid #f5c26b;border-radius:6px;background:#fff8e6;color:#8a5200}.editor label{display:grid;grid-gap:6px;gap:6px;color:#374151;font-size:14px}.editor input,.editor select,.editor textarea,.search input{width:100%;min-height:36px;padding:8px 10px;border:1px solid #d1d5db;border-radius:6px;background:#ffffff}.editor input[type=checkbox]{width:18px;min-height:18px}.visual-player{display:grid;grid-template-columns:minmax(0,1fr) 320px;grid-gap:16px;gap:16px;align-items:start}.visual-controls,.visual-stage{min-height:360px;padding:16px;background:#ffffff;border:1px solid #e5e7eb;border-radius:8px}.visual-canvas{display:block;width:100%;min-height:360px;border:1px solid #eef2f7;border-radius:6px}.visual-placeholder{display:grid;place-items:center;grid-gap:10px;gap:10px;min-height:360px;color:#475467;text-align:center}.visual-controls{display:grid;grid-gap:14px;gap:14px}.visual-controls h2{margin:0 0 8px;font-size:20px}.visual-controls p{margin:0;color:#667085;line-height:1.6}.control-row{display:flex;flex-wrap:wrap;gap:8px}.parameter-list label,.visual-controls label{display:grid;grid-gap:6px;gap:6px;color:#374151;font-size:14px}.visual-controls input{width:100%}.parameter-list{display:grid;grid-gap:12px;gap:12px}@media (max-width:900px){.visual-player{grid-template-columns:1fr}}.editor-actions{display:flex;align-items:flex-end;gap:8px}.primary{background:#2563eb;border-color:#2563eb;color:#ffffff}.table-wrap{overflow-x:auto;background:#ffffff;border:1px solid #e5e7eb;border-radius:8px}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:16px}.metric{display:grid;grid-gap:6px;gap:6px;padding:16px;background:#ffffff;border:1px solid #e5e7eb;border-radius:8px}.metric span{color:#667085;font-size:13px}.metric strong{font-size:24px}.diagnostic-grid{display:grid;grid-template-columns:minmax(0,2fr) minmax(280px,1fr);grid-gap:16px;gap:16px;align-items:start;margin-bottom:16px}.detail-panel{min-height:180px;padding:16px;background:#ffffff;border:1px solid #e5e7eb;border-radius:8px}.detail-panel h2{margin:0 0 12px;font-size:18px}.detail-panel h3{margin:16px 0 8px;font-size:15px}.detail-panel p{margin:0 0 10px;color:#4b5563;line-height:1.6}.mini-card{display:grid;grid-gap:6px;gap:6px;padding:12px 0;border-top:1px solid #e5e7eb}.mini-card span{color:#2563eb;font-size:13px}table{width:100%;border-collapse:collapse;min-width:760px}td,th{padding:12px;border-bottom:1px solid #e5e7eb;text-align:left;vertical-align:middle}th{background:#f3f4f6;color:#4b5563;font-size:13px}td button+button{margin-left:6px}@media (max-width:900px){.admin-layout,.diagnostic-grid,.summary-grid{grid-template-columns:1fr}}.row-actions,.top-actions{display:flex;gap:8px}.question-admin{display:grid;grid-gap:16px;gap:16px;min-width:0}.question-admin-header{margin-bottom:0}.question-admin-header .admin-section-title{font-size:18px;font-weight:600;line-height:1.4}.question-admin-header .admin-section-desc{margin-top:4px;font-size:13px}.question-admin-stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px}.question-admin-stat-wrap{cursor:pointer;border-radius:4px}.question-admin-stat-wrap.active .question-admin-stat{box-shadow:0 0 0 1px rgb(var(--primary-6))}.question-admin-stat .arco-statistic-title{font-size:13px;color:#86909c}.question-admin-stat .arco-statistic-value{font-size:22px;font-weight:600}.question-admin-filter{row-gap:12px}.question-admin-filter .arco-form-item-label-col>label{font-size:14px;font-weight:500}.question-admin-filter .arco-form-item{margin-bottom:0}.question-admin-table-card{border-radius:4px}.question-admin-table-card .arco-card-body{padding:16px}.question-admin-table .arco-table-th{font-size:14px;font-weight:600;color:#1d2129}.question-admin-table .arco-table-td{font-size:14px;color:#4e5969}.question-admin-content-cell{display:grid;grid-gap:2px;gap:2px;line-height:1.5;min-width:0}.question-admin-content-title{max-width:100%;overflow:hidden;font-size:12px;color:#86909c;text-overflow:ellipsis;white-space:nowrap}.question-admin-content-summary{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:14px;color:#1d2129;word-break:break-all}.question-admin-content-range{font-size:12px;color:#86909c}.question-admin-range{color:#4e5969}.question-admin-muted{font-size:12px;color:#86909c}.question-admin-kp-cell{display:grid;grid-gap:2px;gap:2px;font-size:13px;color:#1d2129}.question-admin-detail{display:grid;grid-gap:4px;gap:4px}.question-admin-detail-section{margin-top:4px}.question-admin-detail-section h4{margin:0 0 6px;font-size:13px;font-weight:500;color:#86909c}.question-admin-detail-content{color:#1d2129;line-height:1.7;white-space:pre-wrap;word-break:break-word}.question-admin-answer{padding:8px 12px;border-radius:4px;background:#f7f8fa}.question-admin-options{display:grid;grid-gap:6px;gap:6px}.question-admin-option{display:flex;align-items:flex-start;gap:8px;padding:6px 10px;border:1px solid #e5e6eb;border-radius:4px;font-size:14px}.question-admin-option.correct{border-color:rgb(var(--green-6));background:#f0fbf5}.question-admin-option-key{min-width:22px;font-weight:600;color:#1d2129}.question-admin-link{color:rgb(var(--primary-6))}.question-form-card{border-radius:4px}.question-form-card .arco-card-header{font-size:15px;font-weight:600}.question-form-card .arco-card-body{padding:16px}.question-form-grid{row-gap:12px}.question-form-field{display:grid;grid-gap:6px;gap:6px;margin-bottom:12px;min-width:0}.question-form-field-label,.question-form-field>label{font-size:14px;font-weight:500;color:#1d2129}.question-form-field>label .question-form-hint{margin-left:8px;font-size:12px;font-weight:400;color:#86909c}.question-form-empty-hint{padding:6px 0;font-size:13px;color:#86909c}.question-form-preview{margin-top:12px;padding:12px;border:1px dashed #e5e6eb;border-radius:4px;background:#fafbfc}.question-form-preview-label{margin-bottom:6px;font-size:12px;color:#86909c}.question-form-options{display:grid;grid-gap:8px;gap:8px}.question-form-option-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.question-form-option-key{width:72px;flex-shrink:0}.question-form-option-content{min-width:0;flex:1 1 260px}.question-form-blank-row,.question-form-step-row{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}.question-form-blank-index{min-width:48px;font-size:12px;color:#86909c}.question-form-children{margin-top:12px}.question-form-child{margin-bottom:12px;padding:12px;border:1px solid #e5e6eb;border-radius:4px;background:#fafbfc}.question-form-asset-row{flex-wrap:wrap}.question-form-footer{position:-webkit-sticky;position:sticky;bottom:0;z-index:5;display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;padding:12px 16px;border:1px solid #e5e6eb;border-radius:4px;background:#ffffff;box-shadow:0 -2px 8px rgba(31,41,55,.06)}.question-form-status{display:flex;align-items:center;gap:6px;font-size:13px;color:#4e5969}.question-admin-cards{display:grid;grid-gap:12px;gap:12px}.question-admin-card{border-radius:4px}.question-admin-card .arco-card-body{display:grid;grid-gap:8px;gap:8px;padding:12px 14px}.question-admin-card-head{display:flex;flex-wrap:wrap;gap:6px}.question-admin-card-title{font-size:14px;font-weight:600;color:#1d2129}.question-admin-card-range{font-size:12px;color:#86909c}.question-admin-card-actions{display:flex;gap:8px}.question-admin-card-pager{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:12px;font-size:13px;color:#4e5969}.question-render-line{margin:0 0 6px}.math-preview{display:inline-flex;align-items:center;min-height:24px;margin:0 2px;font-family:Times New Roman,serif;color:#111827}.math-fraction{display:inline-grid;grid-template-rows:auto auto;align-items:center;min-width:24px;text-align:center;line-height:1.1}.math-fraction span:first-child{border-bottom:1px solid #111827}.math-root{font-size:18px}.math-radicand{padding:0 2px;border-top:1px solid #111827}.math-cases{display:inline-grid;gap:2px;padding-left:8px;border-left:2px solid #111827}@media (max-width:1199px){.question-admin-stats{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:767px){.question-admin{gap:12px}.question-admin-filter-card .arco-card-body{padding:12px}.question-admin-stats{gap:8px}.question-admin-stat .arco-statistic-value{font-size:20px}.question-form-card .arco-card-body{padding:12px}.question-form-option-content{flex:1 1 100%}.question-form-footer{align-items:stretch;flex-direction:column}.question-form-footer .arco-space{justify-content:space-between;flex:1 1}}@media (max-width:900px){.shell{padding:20px}.topbar{align-items:flex-start;flex-direction:column}.admin-layout,.editor,.grid{grid-template-columns:1fr}.panel-head{flex-direction:column}.search,.search input{width:100%}.top-actions{align-items:stretch;flex-direction:column}}.growth-center-shell{width:min(1180px,calc(100% - 32px));margin:0 auto;padding:28px 0 72px;color:#17302b}.growth-ability-card,.growth-center-hero,.growth-center-section,.growth-period-panel,.growth-stage-summary{border:1px solid #d9e8df;border-radius:22px;background:#fff;box-shadow:0 14px 36px rgba(40,82,67,.07)}.growth-center-hero,.growth-period-panel,.growth-stage-summary{display:flex;justify-content:space-between;gap:24px;align-items:center;padding:28px;margin-bottom:20px}.growth-center-hero{background:linear-gradient(135deg,#edf9f2,#fff8e8)}.growth-center-hero h1,.growth-center-section h2,.growth-stage-summary h2{margin:4px 0 8px}.growth-center-hero p,.growth-center-section p,.growth-center-section small,.growth-period-panel span,.growth-stage-summary p{color:#60736d}.growth-period-panel>div:first-child{display:grid;grid-gap:4px;gap:4px;min-width:190px}.growth-period-tabs{display:flex;gap:10px;flex-wrap:wrap;justify-content:flex-end}.growth-period-tabs a{display:grid;grid-gap:3px;gap:3px;padding:10px 14px;border:1px solid #d9e8df;border-radius:13px;color:#2f5549;text-decoration:none}.growth-period-tabs a.active{border-color:#2a8063;background:#e9f7f0}.growth-stage-meta{display:flex;gap:18px;flex-wrap:wrap;justify-content:flex-end}.growth-stage-meta span{display:grid;grid-gap:5px;gap:5px;color:#60736d}.growth-notice{display:grid;grid-gap:5px;gap:5px;margin:0 0 20px;padding:17px 20px;border:1px solid #efdca9;border-radius:15px;background:#fff9e9}.growth-ability-card{display:grid;grid-template-columns:1fr auto 1fr 1.6fr;grid-gap:20px;gap:20px;align-items:center;padding:28px;margin-bottom:20px}.growth-ability-card>div:not(.growth-arrow){display:grid;grid-gap:5px;gap:5px}.growth-ability-card strong{font-size:2rem}.growth-ability-card small,.growth-ability-card span{color:#60736d}.growth-arrow{font-size:1.8rem;color:#7cac98}.growth-ability-message{border-left:1px solid #d9e8df;padding-left:22px}.growth-ability-message strong{font-size:1.05rem}.growth-center-section{padding:28px;margin-bottom:20px}.growth-achievement-grid,.growth-stat-grid,.growth-subject-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:14px;gap:14px}.growth-achievement-grid article,.growth-stat-grid article,.growth-subject-grid article,.growth-timeline-list article,.growth-weakness-list article{border:1px solid #e3ece7;border-radius:15px;padding:17px;background:#fbfdfc}.growth-stat-grid article{display:grid;grid-gap:8px;gap:8px}.growth-stat-grid strong{font-size:1.35rem}.growth-timeline-list{display:grid;grid-template-columns:repeat(6,minmax(0,1fr));grid-gap:10px;gap:10px}.growth-timeline-list article{min-height:180px}.growth-timeline-list article.missing{background:#f7f8f7;border-style:dashed}.growth-timeline-list header{display:grid;grid-gap:4px;gap:4px;margin-bottom:16px}.growth-timeline-list>article>strong{font-size:1.75rem;color:#257356}.growth-timeline-list ul{padding-left:18px;margin:10px 0 0;color:#60736d;font-size:.84rem}.growth-subject-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.growth-subject-grid header,.growth-weakness-list header{display:flex;justify-content:space-between;gap:16px;align-items:flex-start}.growth-achievement-grid h3,.growth-subject-grid h3,.growth-weakness-list h3{margin:0}.growth-subject-grid article>div{display:grid;grid-template-columns:repeat(3,1fr);grid-gap:8px;gap:8px;margin:16px 0}.growth-subject-grid article>div span{display:grid;grid-gap:4px;gap:4px}.growth-weakness-list{display:grid;grid-gap:12px;gap:12px}.growth-weakness-list header span{color:#60736d;font-size:.85rem}.growth-weakness-list header strong{padding:5px 10px;border-radius:999px;background:#edf4f0;white-space:nowrap}.growth-weakness-list .weakness-mastered,.growth-weakness-list .weakness-resolved{background:#e3f5ea;color:#1e704a}.growth-weakness-list .weakness-improving{background:#e8f2ff;color:#245f9b}.growth-weakness-list .weakness-new,.growth-weakness-list .weakness-persistent{background:#fff3d8;color:#8b5e15}.growth-mastery-row{display:flex;gap:14px;align-items:center;flex-wrap:wrap;margin:15px 0 8px}.growth-mastery-row b{color:#257356}.growth-achievement-grid{grid-template-columns:repeat(3,minmax(0,1fr))}.growth-achievement-grid article{display:flex;gap:14px}.growth-achievement-grid article>span{display:grid;place-items:center;width:42px;height:42px;flex:0 0 42px;border-radius:50%;background:#fff0ba;color:#9d6b00;font-size:1.25rem}@media (max-width:900px){.growth-center-hero,.growth-period-panel,.growth-stage-summary{align-items:flex-start;flex-direction:column}.growth-period-tabs,.growth-stage-meta{justify-content:flex-start}.growth-ability-card{grid-template-columns:1fr auto 1fr}.growth-ability-message{grid-column:1/-1;border-left:0;border-top:1px solid #d9e8df;padding:18px 0 0}.growth-stat-grid,.growth-timeline-list{grid-template-columns:repeat(2,minmax(0,1fr))}.growth-achievement-grid{grid-template-columns:1fr}}@media (max-width:560px){.growth-center-shell{width:min(100% - 20px,1180px);padding-top:16px}.growth-ability-card,.growth-center-hero,.growth-center-section,.growth-period-panel,.growth-stage-summary{padding:19px;border-radius:17px}.growth-period-tabs{display:grid;width:100%}.growth-period-tabs,.growth-stat-grid,.growth-subject-grid,.growth-subject-grid article>div,.growth-timeline-list{grid-template-columns:1fr}}.remedial-shell{max-width:1050px}.remedial-group-list,.remedial-question-list{display:grid;grid-gap:16px;gap:16px}.remedial-group-list article,.remedial-question-list>article,.remedial-result-row,.remedial-session-row{border:1px solid #dfeae4;border-radius:16px;background:#fbfdfc;padding:18px}.remedial-group-list article,.remedial-result-row,.remedial-session-row{display:flex;align-items:center;justify-content:space-between;gap:20px}.remedial-session-row{color:inherit;text-decoration:none;margin-top:10px}.remedial-action{display:grid;grid-gap:7px;gap:7px;justify-items:start}.remedial-action p{color:#a4382d;margin:0;font-size:.9rem}.remedial-question-list>article>small{display:block;color:#61756d;margin-bottom:18px}.remedial-result-row+.remedial-result-row{margin-top:10px}.remedial-result-row div{display:grid;grid-gap:5px;gap:5px}.growth-weakness-actions{margin-top:14px}.growth-weakness-actions a{color:#1e704a;font-weight:700}@media (max-width:560px){.remedial-group-list article,.remedial-result-row,.remedial-session-row{align-items:flex-start;flex-direction:column}}.module-group{margin-bottom:30px}.group-heading{font-size:1.15rem;color:#495d55;margin:0 0 14px 4px;font-weight:600;padding-bottom:8px;border-bottom:1px solid #d9e5de}.topbar-actions{display:flex;align-items:center;gap:14px}.session-user{font-size:.92rem;color:#1e704a;font-weight:500}.sidebar-session{padding:12px 14px;margin-bottom:10px;border-bottom:1px solid #d9e5de}.session-status{font-size:.85rem;color:#61756d}.session-status.ok{color:#1e704a;font-weight:500}.session-status.warn{color:#a4382d;font-weight:500}.seed-guidance{background:#f0f7f2;border:1px solid #c3ddcd;border-radius:12px;padding:24px;margin-bottom:20px;text-align:center}.seed-guidance h3{margin:0 0 10px;color:#1e704a;font-size:1.15rem}.seed-guidance p{color:#495d55;margin:0 0 8px;font-size:.95rem}.seed-guidance-note{font-size:.88rem;color:#61756d;font-style:italic}.seed-guidance button{margin-top:14px}.form-warning{background:#fff3e0;border:1px solid #ffcc80;border-radius:8px;padding:10px 16px;color:#e65100;font-size:.9rem;margin-bottom:12px}.admin-shell{display:grid;grid-template-columns:240px minmax(0,1fr);min-height:100vh;background:#f5f6f8}.admin-sidebar{position:-webkit-sticky;position:sticky;top:0;height:100vh;overflow-y:auto;display:grid;grid-template-rows:auto 1fr;background:#1a1f36;color:#c2c9d6;font-size:.925rem;z-index:20}.admin-sidebar-brand{padding:20px 18px 14px;border-bottom:1px solid rgba(255,255,255,.08)}.admin-brand-link{color:#fff;font-weight:700;font-size:1.05rem}.admin-brand-icon{font-size:1.15rem;opacity:.9}.admin-nav{padding:10px 0;overflow-y:auto}.admin-nav-group{margin-bottom:2px}.admin-nav-group-label{display:flex;align-items:center;gap:8px;padding:10px 18px 6px;color:#717a90;font-size:.78rem;font-weight:700;letter-spacing:.06em;text-transform:uppercase}.admin-nav-group-icon{font-size:1rem}.admin-nav-items{list-style:none;margin:0;padding:0}.admin-nav-link{display:flex;align-items:center;justify-content:space-between;padding:8px 18px 8px 24px;color:#b8c1d0;text-decoration:none;border-left:3px solid transparent;transition:background .15s}.admin-nav-link:hover{background:rgba(255,255,255,.05);color:#e2e6ed}.admin-nav-link.active{background:rgba(37,99,235,.15);color:#87b3ff;border-left-color:#5b9cf5;font-weight:600}.admin-nav-link small{font-size:.72rem;padding:2px 6px;border-radius:3px;background:rgba(255,193,7,.18);color:#ffc107}.admin-nav-sub{list-style:none;margin:0;padding:0 0 4px}.admin-nav-sublink{display:block;padding:6px 18px 6px 36px;color:#8d97a8;text-decoration:none;font-size:.86rem;border-left:3px solid transparent}.admin-nav-sublink:hover{color:#cbd3e0;background:rgba(255,255,255,.03)}.admin-nav-sublink.active{color:#9dbef5;border-left-color:#5b9cf5}.admin-nav-link.planned,.admin-nav-sublink.planned{opacity:.55;cursor:default;color:#6e7990}.admin-nav-link.planned small,.admin-nav-sublink.planned small{font-size:.68rem;margin-left:6px;padding:1px 5px;border-radius:3px;background:rgba(255,193,7,.15);color:#c9a000}.admin-pending-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));grid-gap:10px;gap:10px}.admin-pending-item{display:grid;grid-gap:4px;gap:4px;padding:14px 16px;border:1px solid #f5c26b;border-radius:8px;background:#fff8e6;text-decoration:none;color:inherit}.admin-pending-item strong{font-size:1.3rem;color:#8a5200}.admin-pending-item span{font-size:.85rem;color:#68758c}.admin-pending-item:hover{border-color:#d4a543;background:#fff3d0}.admin-sidebar-toggle{display:none;position:fixed;top:10px;left:10px;z-index:30;min-height:38px;min-width:38px;padding:6px 10px;border:1px solid #cdd5e0;border-radius:6px;background:#fff;font-size:1.2rem;cursor:pointer}.admin-main{display:grid;grid-template-rows:auto auto 1fr;min-width:0}.admin-header{position:-webkit-sticky;position:sticky;top:0;z-index:10;padding:16px 28px 0;background:#f5f6f8;border-bottom:1px solid #e2e6ed}.admin-header-top{display:flex;align-items:flex-start;justify-content:space-between;gap:20px;padding-bottom:10px}.admin-header-title{min-width:0}.admin-page-title{margin:0;font-size:1.3rem;font-weight:700;color:#1a1f36}.admin-page-desc{margin:4px 0 0;color:#68758c;font-size:.875rem}.admin-header-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}.admin-api-status{display:inline-flex;align-items:center;min-height:28px;padding:0 10px;border-radius:4px;font-size:.8rem;font-weight:600}.admin-api-status.ok{background:#dff7ea;color:#137047}.admin-api-status.down{background:#ffe8e6;color:#a8352a}.admin-api-status.checking{background:#fff8e6;color:#8a5200}.admin-session-user{display:grid;grid-gap:1px;gap:1px;font-size:.9rem;font-weight:600;color:#1a1f36}.admin-session-user small{font-size:.72rem;font-weight:400;color:#68758c}.admin-breadcrumbs{display:flex;align-items:center;gap:5px;padding:8px 0 10px;font-size:.8rem;color:#68758c}.admin-breadcrumbs a{color:#3b5ccc;text-decoration:none}.admin-breadcrumbs a:hover{text-decoration:underline}.admin-breadcrumb-sep{margin:0 3px;color:#bcc3ce}.admin-breadcrumb-current{color:#414a5c;font-weight:600}.admin-subnav{display:flex;gap:4px;padding:10px 28px;background:#fff;border-bottom:1px solid #e2e6ed}.admin-subnav-link{padding:7px 14px;border-radius:6px;color:#526077;text-decoration:none;font-size:.88rem;font-weight:500}.admin-subnav-link:hover{background:#f0f2f5}.admin-subnav-link.active{background:#e8f0ff;color:#2155c7;font-weight:700}.admin-content{padding:24px 28px 60px;min-width:0}.admin-page-header{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:20px}.admin-section-title{margin:0 0 4px;font-size:1.15rem;color:#1a1f36}.admin-section-desc{margin:0;color:#68758c;font-size:.9rem}.admin-page-actions{display:flex;gap:8px;flex-shrink:0}.admin-empty-state{display:grid;grid-gap:10px;gap:10px;justify-items:center;padding:48px 24px;border:1px solid #dfe3ea;border-radius:12px;background:#fff;text-align:center}.admin-empty-state h3{margin:0;color:#1a1f36;font-size:1.1rem}.admin-empty-state p{margin:0;color:#68758c;max-width:480px}.admin-empty-state.planned{border-style:dashed;background:#fafbfc}.admin-planned-badge{display:inline-block;padding:4px 10px;border-radius:999px;background:#fff3cd;color:#856404;font-size:.78rem;font-weight:700}.admin-planned-note{font-size:.85rem;color:#8b95a6}.admin-status-card{padding:24px;border-radius:10px;text-align:center;color:#68758c}.admin-status-card.loading{background:#f0f4ff}.admin-status-card.error{background:#fff0f0;color:#a83232}.admin-status-card.forbidden{background:#fff8e0;color:#8a6d00}.admin-status-card.unavailable{background:#f5f0ff;color:#6b46c1}.admin-foundation{display:grid;grid-gap:16px;gap:16px}.admin-foundation-card{padding:20px;border:1px solid #dfe3ea;border-radius:10px;background:#fff}.admin-foundation-card h3{margin:0 0 8px;font-size:1.05rem;color:#1a1f36}.admin-foundation-card p{margin:0 0 12px;color:#68758c;line-height:1.6}.admin-foundation-card dl{display:grid;grid-template-columns:auto 1fr;grid-gap:4px 14px;gap:4px 14px;margin:0;font-size:.88rem}.admin-foundation-card dt{color:#8b95a6}.admin-foundation-card dd{margin:0;color:#414a5c;font-weight:500}.admin-foundation-actions{display:flex;gap:8px;margin-top:14px}.admin-stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px;margin-bottom:24px}.admin-stat-card{padding:18px;border:1px solid #dfe3ea;border-radius:10px;background:#fff}.admin-stat-card .admin-stat-label{display:block;margin-bottom:6px;color:#8b95a6;font-size:.8rem}.admin-stat-card .admin-stat-value{font-size:1.6rem;font-weight:700;color:#1a1f36}.admin-stat-card .admin-stat-unavailable{color:#bcc3ce;font-size:.85rem}.admin-pending{margin-bottom:24px}.admin-pending h3{margin:0 0 10px;font-size:1rem;color:#1a1f36}.admin-pending-empty{padding:16px;border:1px solid #dfe3ea;border-radius:8px;background:#fff;color:#8b95a6;text-align:center;font-size:.9rem}.admin-quick-actions{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:24px}.admin-module-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));grid-gap:12px;gap:12px}.admin-module-card{padding:18px;border:1px solid #dfe3ea;border-radius:10px;background:#fff}.admin-module-card h4{margin:0 0 6px;font-size:.95rem;color:#1a1f36}.admin-module-card p{margin:0 0 10px;color:#68758c;font-size:.85rem;line-height:1.6}.admin-module-card a{font-size:.85rem;font-weight:600;color:#3b5ccc;text-decoration:none}.admin-module-card a:hover{text-decoration:underline}@media (max-width:900px){.admin-shell{grid-template-columns:1fr}.admin-sidebar{position:fixed;inset:0 auto 0 0;width:250px;transform:translateX(-100%);transition:transform .2s}.admin-sidebar:not(.collapsed){transform:translateX(0);box-shadow:4px 0 20px rgba(0,0,0,.18)}.admin-sidebar-toggle{display:block}.admin-header{padding:12px 16px 0}.admin-header-top{flex-direction:column}.admin-content{padding:16px}.admin-stat-grid{grid-template-columns:repeat(2,1fr)}.admin-module-grid{grid-template-columns:1fr}.admin-subnav{padding:8px 16px;overflow-x:auto}}@media (max-width:560px){.admin-stat-grid{grid-template-columns:1fr}}.admin-shell.arco-layout{display:flex;min-height:100vh;grid-template-columns:none;background:#f2f3f5;color:#1d2129}.admin-sidebar.arco-layout-sider{position:-webkit-sticky;position:sticky;inset:auto;top:0;z-index:20;height:100vh;overflow:hidden;transform:none;border-right:1px solid color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 14%);background:var(--admin-nav-group-bg,#f2f3f5);color:var(--admin-nav-group-text,#1d2129);box-shadow:none}.admin-sidebar .arco-layout-sider-children{display:flex;height:100%;flex-direction:column}.admin-sidebar-brand{flex:0 0 56px;height:56px;padding:0 14px;border-bottom:1px solid color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 14%);background:var(--admin-nav-group-bg,#f2f3f5)}.admin-brand-link{display:flex;height:100%;align-items:center;gap:10px;overflow:hidden;color:var(--admin-nav-group-text,#1d2129);text-decoration:none;white-space:nowrap}.admin-brand-icon{display:inline-grid;width:28px;height:28px;flex:0 0 28px;place-items:center;border-radius:6px;background:var(--admin-nav-group-text,#1d2129);color:var(--admin-nav-group-bg,#f2f3f5);font-size:15px;font-weight:700}.admin-brand-text{font-size:15px;font-weight:600;letter-spacing:.1px}.admin-brand-text,.admin-nav.arco-menu{color:var(--admin-nav-group-text,#1d2129)}.admin-nav.arco-menu{flex:1 1;overflow:auto;border:0;padding:8px;background:var(--admin-nav-group-bg,#f2f3f5)}.admin-nav .arco-menu-inner{overflow:visible;background:var(--admin-nav-group-bg,#f2f3f5)}.admin-nav .arco-menu-item,.admin-nav .arco-menu-pop-header{margin-bottom:2px;border-radius:4px}.admin-nav.arco-menu .arco-menu-inline-header,.admin-nav.arco-menu .arco-menu-pop-header{background:color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 7%);color:var(--admin-nav-group-text,#1d2129);transition:filter .15s,background .15s,color .15s}.admin-nav.arco-menu .arco-menu-inline-header{height:40px;min-height:40px;line-height:40px;box-sizing:border-box}.admin-nav.arco-menu .arco-menu-inline-header .admin-nav-route{display:inline-flex;height:40px;align-items:center;line-height:1}.admin-nav.arco-menu .arco-menu-inline-header .arco-icon,.admin-nav.arco-menu .arco-menu-inline-header:hover,.admin-nav.arco-menu .arco-menu-inline-header:hover .arco-icon,.admin-nav.arco-menu .arco-menu-pop-header .arco-icon,.admin-nav.arco-menu .arco-menu-pop-header:hover,.admin-nav.arco-menu .arco-menu-pop-header:hover .arco-icon{color:var(--admin-nav-group-text,#1d2129)}.admin-nav.arco-menu .arco-menu-inline-header:hover,.admin-nav.arco-menu .arco-menu-pop-header:hover{background:color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 13%);filter:none}.admin-nav.arco-menu .arco-menu-item{background:transparent;color:var(--admin-nav-group-text,#1d2129)}.admin-nav.arco-menu .arco-menu-item:hover{background:color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 9%);color:var(--admin-nav-group-text,#1d2129)}.admin-nav.arco-menu .arco-menu-item.arco-menu-selected,.admin-nav.arco-menu .arco-menu-item.arco-menu-selected:hover{background:color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 18%);color:var(--admin-nav-group-text,#1d2129)}.admin-nav.arco-menu .arco-menu-item.arco-menu-disabled{background:transparent;color:var(--admin-nav-group-text,#1d2129);opacity:.55}.admin-nav-group-icon{display:inline-flex}.admin-nav-route{display:block;color:inherit;text-decoration:none}.admin-nav-planned{display:flex;align-items:center;justify-content:space-between;gap:6px}.admin-main.arco-layout{display:flex;min-width:0;grid-template-rows:none;background:#f2f3f5}.admin-header.arco-layout-header{position:-webkit-sticky;position:sticky;top:0;z-index:15;display:flex;height:56px;min-height:56px;padding:0 20px;align-items:center;justify-content:space-between;border-bottom:1px solid #e5e6eb;background:#fff;line-height:normal}.admin-header-actions,.admin-header-left{display:flex;align-items:center}.admin-header-left{min-width:0;gap:12px}.admin-header-actions{gap:10px;white-space:nowrap}.admin-collapse-button,.admin-menu-color-button{color:#4e5969}.admin-breadcrumbs{margin:0;padding:0;color:#4e5969}.admin-session-user{display:flex;flex-direction:column;color:#1d2129;font-size:13px;line-height:1.3}.admin-session-user small{color:#86909c;font-size:11px}.admin-content.arco-layout-content{min-width:0;padding:20px 24px 48px}.arco-dashboard-page{width:100%;max-width:1600px;margin:0 auto}.arco-dashboard-heading{display:flex;margin-bottom:16px;align-items:flex-start;justify-content:space-between;gap:16px}.arco-dashboard-heading .arco-typography{margin-top:0;margin-bottom:4px}.arco-dashboard-heading h1{margin:0 0 4px;font-size:20px;font-weight:600;color:#1d2129}.arco-dashboard-heading p.arco-typography{color:#86909c}.arco-stat-row{margin-bottom:16px}.arco-dashboard-card,.arco-stat-card{height:100%;border:0;border-radius:4px;box-shadow:none}.arco-stat-card-inner{display:flex;min-height:66px;align-items:flex-end;justify-content:space-between;gap:12px}.admin-mini-trend{width:90px;height:32px;margin-bottom:9px}.arco-overview-chart{display:flex;height:260px;padding:12px 8px 0;align-items:flex-end;justify-content:space-around;gap:12px;border-bottom:1px solid #e5e6eb;background:repeating-linear-gradient(180deg,transparent 0,transparent 49px,#f2f3f5 50px)}.arco-overview-column{display:flex;min-width:48px;height:100%;flex:1 1;flex-direction:column;align-items:center;justify-content:flex-end;gap:8px;color:#86909c;text-align:center}.arco-overview-bar-track{display:flex;width:100%;height:198px;align-items:flex-end;justify-content:center}.arco-overview-bar-track span{display:block;width:min(34px,60%);min-height:8px;border-radius:4px 4px 0 0;opacity:.9}.arco-pending-list{display:grid;grid-gap:2px;gap:2px}.arco-pending-row{display:flex;min-height:46px;padding:0 4px;align-items:center;justify-content:space-between;border-bottom:1px solid #f2f3f5;color:#1d2129;text-decoration:none}.arco-pending-row span{display:flex;align-items:center;gap:9px}.arco-module-row:hover,.arco-pending-row:hover{color:#165dff}.arco-pending-empty{display:grid;min-height:176px;place-items:center;color:#86909c}.arco-dashboard-lower{margin-top:16px}.arco-quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));grid-gap:12px;gap:12px}.arco-quick-item{display:flex;min-height:76px;padding:12px 8px;align-items:center;justify-content:center;flex-direction:column;gap:8px;border:1px solid #e5e6eb;border-radius:4px;color:#4e5969;text-align:center;text-decoration:none;transition:border-color .15s,color .15s,background .15s}.arco-quick-item:hover{border-color:#94bfff;background:#f2f7ff;color:#165dff}.arco-quick-icon{color:#165dff;font-size:20px}.arco-module-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-column-gap:24px;column-gap:24px}.arco-module-row{display:flex;min-height:64px;padding:10px 4px;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #f2f3f5;color:#1d2129;text-decoration:none}.arco-module-row div{min-width:0}.arco-module-row small,.arco-module-row strong{display:block}.arco-module-row small{margin-top:5px;overflow:hidden;color:#86909c;text-overflow:ellipsis;white-space:nowrap}@media (max-width:1100px){.arco-quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (max-width:900px){.admin-shell.arco-layout{grid-template-columns:none}.admin-sidebar.arco-layout-sider,.admin-sidebar.arco-layout-sider:not(.collapsed){position:-webkit-sticky;position:sticky;inset:auto;top:0;width:auto;transform:none;box-shadow:none}.admin-header.arco-layout-header{padding:0 12px}.admin-content.arco-layout-content{padding:16px}.admin-header-actions>.arco-tag,.admin-menu-color-button span:not(.arco-icon),.admin-session-user{display:none}}@media (max-width:640px){.arco-dashboard-heading{flex-direction:column}.arco-overview-chart{overflow-x:auto;justify-content:flex-start}.arco-overview-column{min-width:64px}.arco-module-list{grid-template-columns:1fr}}.arco-admin-users-header{margin-bottom:16px}.arco-admin-users-header .admin-section-title{font-size:18px;font-weight:600;line-height:1.4}.arco-admin-users-header .admin-section-desc{margin-top:4px;font-size:13px}.arco-admin-users-card{border-radius:4px;box-shadow:none}.arco-admin-users-card .arco-card-body{padding:16px}.arco-admin-users-filter{margin-bottom:16px;row-gap:12px}.arco-admin-users-filter .arco-form-item-label-col>label{font-size:14px;font-weight:500}.arco-admin-users-table{border-radius:4px}.arco-admin-users-table .arco-table-th{font-size:14px;font-weight:600;color:#1d2129}.arco-admin-users-table .arco-table-td{font-size:14px;color:#4e5969}.arco-admin-users-cell{display:grid;grid-gap:2px;gap:2px;line-height:1.4}.arco-admin-users-cell strong{font-size:14px;font-weight:600;color:#1d2129}.arco-admin-users-sub{font-size:12px;color:#86909c}.arco-admin-users-form .arco-form-label-item>label{font-size:14px;font-weight:500}.arco-admin-orgs-header{margin-bottom:16px}.arco-admin-orgs-header .admin-section-title{font-size:18px;font-weight:600;line-height:1.4}.arco-admin-orgs-header .admin-section-desc{margin-top:4px;font-size:13px}.arco-admin-orgs-card{border-radius:4px;box-shadow:none}.arco-admin-orgs-card .arco-card-body{padding:16px}.arco-admin-orgs-filter{margin-bottom:16px;row-gap:12px}.arco-admin-orgs-filter .arco-form-item-label-col>label{font-size:14px;font-weight:500}.arco-admin-orgs-table{border-radius:4px}.arco-admin-orgs-table .arco-table-th{font-size:14px;font-weight:600;color:#1d2129}.arco-admin-orgs-table .arco-table-td{font-size:14px;color:#4e5969}.arco-admin-orgs-cell{font-size:14px;font-weight:600;color:#1d2129}.arco-admin-orgs-form .arco-form-label-item>label{font-size:14px;font-weight:500}.arco-admin-org-detail-header{margin-bottom:16px}.arco-admin-org-detail-header .admin-section-title{font-size:18px;font-weight:600;line-height:1.4}.arco-admin-org-detail-header .admin-section-desc{margin-top:4px;font-size:13px;color:#4e5969}.arco-admin-org-detail-desc-sep{margin:0 6px;color:#c9cdd4}.arco-admin-org-detail-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));grid-gap:16px;gap:16px;margin-bottom:16px}.arco-admin-org-detail-card{border-radius:4px;box-shadow:none}.arco-admin-org-detail-card .arco-card-header{font-size:16px;font-weight:600;color:#1d2129}.arco-admin-org-detail-card .arco-card-body{padding:16px}.arco-admin-org-detail-section-title{margin:0 0 12px;font-size:16px;font-weight:600;color:#1d2129}.arco-admin-org-detail-relations{margin-top:16px}.arco-admin-org-detail-relation-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));grid-gap:16px;gap:16px}.arco-admin-org-detail-relation-card{border-radius:4px;box-shadow:none;cursor:pointer}.arco-admin-org-detail-relation-card .arco-card-body{padding:16px;display:grid;grid-gap:4px;gap:4px}.arco-admin-org-detail-relation-name{font-size:14px;font-weight:600;color:#1d2129}.arco-admin-org-detail-relation-desc{font-size:12px;color:#86909c}.question-content{line-height:1.8;word-break:break-word}.question-content-line{margin:.25em 0;white-space:pre-wrap}.question-content-block{margin:.6em 0;text-align:center;overflow-x:auto}.math-render{display:inline-block}.math-block .katex-display{margin:.4em 0}.math-fallback{color:#4e5969;background:#f7f8fa;border:1px dashed #c9cdd4;border-radius:4px;padding:0 4px;font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:.92em}.math-fallback-hint{color:#f53f3f;font-size:.85em;margin-left:6px}.math-fallback-block{display:inline-block;padding:6px 12px}.math-toolbar{display:flex;flex-wrap:nowrap;gap:4px;align-items:center;overflow-x:auto;padding:6px 4px;margin-bottom:6px;border:1px solid #e5e6eb;border-radius:4px;background:#fafbfc;scrollbar-width:thin;-webkit-overflow-scrolling:touch}.math-toolbar-button{flex-shrink:0}.math-toolbar-symbol{font-size:14px;font-weight:600;margin-right:2px}.math-toolbar-label{font-size:12px;color:#4e5969}.math-toolbar-divider{width:1px;height:18px;background:#e5e6eb;margin:0 4px;flex-shrink:0}.math-input-preview{margin-top:8px;border:1px solid #e5e6eb;border-radius:4px;padding:8px 12px;background:#fafbfc;min-height:44px}.math-input-preview-label{font-size:12px;color:#86909c;margin-bottom:4px}.math-input-preview-empty{font-size:13px;color:#86909c}.math-input-textarea{font-size:14px}.question-content-resources{margin-top:8px;display:flex;flex-direction:column;gap:8px}.question-asset{max-width:100%}.question-asset-image{max-width:100%;max-height:360px;display:block;border-radius:4px;border:1px solid #e5e6eb}.question-asset-image-editor{margin-top:8px;max-height:240px}.question-asset-image-failed{border:1px dashed #ffb3a7;border-radius:4px;background:#fff7f8;color:#f53f3f}.question-asset-image-failed,.question-asset-placeholder{display:flex;flex-direction:column;gap:4px;padding:12px;font-size:13px}.question-asset-placeholder{border:1px dashed #c9cdd4;border-radius:4px;background:#f7f8fa;color:#4e5969}.question-asset-placeholder-name{font-weight:600}.question-asset-placeholder-hint{color:#86909c;font-size:12px}.question-asset-image-actions{margin-top:4px;font-size:12px}.stat-chart{margin:8px 0;max-width:100%;overflow-x:auto}.stat-chart-svg{max-width:100%;height:auto}.stat-chart-title{font-size:13px;font-weight:600;color:#1d2129;margin-bottom:4px;text-align:center}.stat-chart-error{padding:10px 12px;border:1px dashed #ffb3a7;border-radius:4px;background:#fff7f8;color:#f53f3f;font-size:13px}.question-form-asset{border:1px solid #e5e6eb;border-radius:4px;padding:10px 12px;background:#fafbfc}.question-form-asset-row{width:100%}.chart-config-form{margin-top:10px;border-top:1px dashed #e5e6eb;padding-top:10px}.chart-config-row,.chart-config-series{display:flex;flex-wrap:wrap;gap:12px}.chart-config-series{align-items:flex-start;margin-top:6px}.chart-config-preview{margin-top:10px;border:1px solid #e5e6eb;border-radius:4px;padding:8px 12px;background:#fff}.question-preview-tip{font-size:12px;color:#86909c;background:#f2f3f5;border-radius:4px;padding:8px 10px;margin-bottom:12px;line-height:1.6}.question-preview-scope{margin-bottom:12px}.question-preview-student{border:1px solid #e5e6eb;border-radius:8px;padding:16px;background:#fff}.question-preview-title{font-size:16px;font-weight:600;color:#1d2129;margin:8px 0}.question-preview-placeholder{color:#86909c;font-size:13px;border:1px dashed #c9cdd4;border-radius:4px;padding:8px 10px;background:#fafbfc}.question-preview-options{margin-top:10px}.question-preview-options .question-preview-option{cursor:default;opacity:1}.question-preview-options .question-preview-option input{cursor:default}.question-preview-correct{font-style:normal;color:#00b42a;font-size:12px;margin-left:8px}.question-preview-actions{display:flex;gap:8px;margin-top:14px}.question-preview-actions button{padding:5px 16px;border:1px solid #c9cdd4;border-radius:4px;background:#f2f3f5;color:#86909c;font-size:13px;cursor:not-allowed}.question-preview-save-status{margin-top:10px}.question-preview-answer{margin-top:12px;border-top:1px dashed #e5e6eb;padding-top:10px;display:grid;grid-gap:10px;gap:10px}.question-preview-footer-note{margin-top:10px;font-size:12px;color:#86909c;text-align:center}.student-question-content .question-content-line{margin:.2em 0}.student-option-content{flex:1 1;min-width:0}.student-option-content .question-content{display:inline}.student-option-content .question-content-line{display:inline;margin:0}.student-result-question{margin:8px 0}.math-samples{padding-bottom:40px}.math-samples-list{display:grid;grid-gap:14px;gap:14px}.math-sample-card .arco-card-body{display:grid;grid-gap:10px;gap:10px}.math-sample-rendered,.math-sample-stored{display:grid;grid-gap:4px;gap:4px}.math-sample-label{font-size:12px;color:#86909c;font-weight:600}.math-sample-code{display:block;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;font-size:13px;line-height:1.7;color:#4e5969;background:#f7f8fa;border:1px solid #e5e6eb;border-radius:6px;padding:8px 10px;white-space:pre-wrap;word-break:break-all}.math-sample-options{margin-top:4px}.math-sample-options .math-sample-option,.math-sample-options .math-sample-option input{cursor:default}.math-sample-note{font-size:12px;color:#86909c;background:#f7f8fa;border-radius:6px;padding:6px 10px}.assessment-form{padding-top:4px}.assessment-form .arco-form-item{margin-bottom:14px}.assessment-form-section-title{margin:14px 0 10px;padding-left:8px;border-left:3px solid rgb(var(--primary-6));font-size:13px;font-weight:600;color:#1d2129;line-height:1.4}.assessment-form-section-title:first-child{margin-top:0}.assessment-form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));grid-column-gap:16px;column-gap:16px}.assessment-form-grid .assessment-form-full{grid-column:1/-1}.assessment-form-extra{display:block;margin-top:4px;font-size:12px;line-height:1.5;color:#86909c}.assessment-form-switch .arco-form-item-label-col>label:after{content:none}.assessment-detail-title-row,.assessment-form-footer{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:8px}.assessment-detail-title-row{margin-bottom:8px}.assessment-detail-title-row h4{margin:0}.assessment-detail-empty{padding:8px 0}.assessment-question-stem{max-height:90px;overflow:hidden;color:#1d2129;line-height:1.7}.assessment-add-filter{row-gap:12px;margin-bottom:12px}.assessment-add-filter .arco-form-item{margin-bottom:0}.assessment-add-list{display:grid;grid-gap:12px;gap:12px}.assessment-add-card{display:grid;grid-gap:8px;gap:8px;padding:12px;border:1px solid #e5e6eb;border-radius:4px;background:#ffffff}.assessment-add-card-head{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.assessment-add-stem{max-height:120px}.assessment-add-actions{border-top:1px dashed #e5e6eb;padding-top:8px}.assessment-add-actions,.assessment-drawer-footer{display:flex;align-items:center;flex-wrap:wrap;gap:8px}.assessment-drawer-footer{justify-content:space-between}.assessment-preview-list{display:grid;grid-gap:12px;gap:12px}.assessment-preview-item{display:grid;grid-gap:8px;gap:8px;padding:12px;border:1px solid #e5e6eb;border-radius:4px;background:#fafbfc}.assessment-preview-item-head{display:flex;align-items:center;flex-wrap:wrap;gap:6px}.assessment-preview-item-index{font-size:13px;font-weight:600;color:#1d2129}.assessment-preview-item-score{margin-left:auto;font-size:13px;font-weight:600;color:rgb(var(--primary-6))}.assessment-preview-stem{color:#1d2129;line-height:1.7}.assessment-mobile-actions{flex-direction:column;align-items:stretch}@media (max-width:767.9px){.assessment-form-grid{grid-template-columns:minmax(0,1fr)}}.question-admin-data{display:grid;grid-gap:16px;gap:16px;min-width:0}.question-admin-header{display:flex;flex-direction:column;align-items:flex-start;gap:4px}.question-admin-header h1{margin:0;font-size:20px;font-weight:600;color:#1d2129}.question-admin-header-actions{display:flex;gap:8px;margin-top:8px}.question-admin-header-meta{margin-left:10px}.question-admin-back{display:inline-flex;align-items:center;gap:4px;font-size:13px;color:rgb(var(--primary-6))}.question-admin-filter-card{border-radius:4px}.question-admin-filter-card .arco-card-body{padding:16px}.question-admin-filter{display:flex;flex-wrap:wrap;align-items:center;gap:10px}.question-admin-filter-label{font-size:13px;color:#4e5969;white-space:nowrap}.question-admin-filter-input,.question-admin-filter-select{width:200px}.question-admin-filter-actions{margin-left:auto}.question-admin-stat{border-radius:4px;background:#fff}.wq-batch-bar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:12px;padding:8px 12px;border-radius:4px;background:#f2f3f5}.wq-question-preview{min-width:0;cursor:pointer}.wq-question-preview-content{display:-webkit-box;-webkit-box-orient:vertical;-webkit-line-clamp:2;overflow:hidden;font-size:13px;color:#1d2129;line-height:1.6;word-break:break-word}.wq-plan-preview-list{margin:4px 0 0;padding-left:18px;font-size:13px;color:#4e5969;line-height:1.8}.question-admin-detail-section{border-radius:4px;background:#fff;padding:16px}.question-admin-section-title{margin:0 0 12px;font-size:15px;font-weight:600;color:#1d2129}.question-admin-detail-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));grid-gap:12px 24px;gap:12px 24px}.question-admin-detail-item{display:grid;grid-gap:4px;gap:4px;min-width:0}.question-admin-detail-key{font-size:12px;color:#86909c}.question-admin-detail-value{font-size:14px;color:#1d2129;word-break:break-word}.question-admin-option-content{flex:1 1;min-width:0;line-height:1.6;color:#4e5969}.question-admin-empty-action{margin-top:12px;text-align:center}.question-admin-content-preview{color:#1d2129;line-height:1.7;white-space:pre-wrap;word-break:break-word}.wq-reason-list{margin:0;padding:0;list-style:none;display:grid;grid-gap:8px;gap:8px}.wq-reason-item{display:flex;align-items:baseline;gap:10px;padding:8px 12px;border:1px solid #e5e6eb;border-radius:4px;font-size:13px}.wq-reason-tag{flex-shrink:0}.wq-reason-desc{flex:1 1;min-width:0;color:#1d2129;word-break:break-word}.wq-reason-time{flex-shrink:0}.wq-timeline{margin:0;padding:0;list-style:none;display:grid;grid-gap:10px;gap:10px}.wq-timeline-item{display:flex;align-items:center;gap:10px;font-size:13px}.wq-timeline-dot{width:8px;height:8px;border-radius:50%;background:rgb(var(--primary-6));flex-shrink:0}.wq-timeline-label{color:#1d2129;min-width:72px}.wq-timeline-at{color:#86909c}.rp-progress-cell{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:8px;gap:8px}.rp-detail-progress{display:flex;align-items:center;gap:16px;max-width:640px}.rp-detail-progress-bar{flex:1 1;min-width:0}.rp-mastery-cell{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;grid-gap:8px;gap:8px}.ps-session{display:grid;grid-gap:12px;gap:12px;min-width:0}.ps-take-area{display:grid;grid-gap:8px;gap:8px;margin-top:10px}.ps-take-textarea{width:100%;box-sizing:border-box;padding:8px 10px;border:1px solid #e5e6eb;border-radius:4px;font-size:13px;font-family:inherit}.ps-take-submit{margin-top:4px;text-align:right}.ps-take-primary{padding:6px 18px;border:none;border-radius:4px;background:rgb(var(--primary-6));color:#fff;cursor:pointer;font-size:14px}.ps-take-primary:disabled{opacity:.6;cursor:not-allowed}.ps-question-result{padding:12px 0;border-bottom:1px solid #f2f3f5}.ps-question-result:last-child{border-bottom:none}.ps-question-result-head{display:flex;align-items:center;flex-wrap:wrap;gap:8px;margin-bottom:8px}.ps-question-result-index{font-size:14px;color:#1d2129}.ps-question-result-answer{display:flex;flex-wrap:wrap;gap:4px 16px;margin-top:8px}.ps-result-actions{display:flex;justify-content:flex-end}@media (max-width:1439.9px){.question-admin-filter-input,.question-admin-filter-select{width:170px}}@media (max-width:1199.9px){.question-admin-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.question-admin-detail-grid{grid-template-columns:minmax(0,1fr)}.question-admin-filter{gap:8px 12px}.question-admin-filter-actions{margin-left:0}.question-admin-filter-input,.question-admin-filter-select{width:160px}.rp-detail-progress{flex-direction:column;align-items:flex-start;gap:8px}.rp-detail-progress-bar{width:100%}}@media (max-width:767.9px){.question-admin-stats{grid-template-columns:repeat(2,minmax(0,1fr))}.question-admin-filter{flex-direction:column;align-items:stretch}.question-admin-filter-input,.question-admin-filter-select{width:100%}.question-admin-filter-actions,.question-admin-header-actions{flex-direction:column;align-items:stretch}.question-admin-filter-actions .arco-btn,.question-admin-header-actions,.question-admin-header-actions .arco-btn{width:100%}.question-admin-detail-section{padding:12px}.ps-result-actions .arco-space{flex-direction:column;align-items:stretch;width:100%}.ps-result-actions .arco-space .arco-btn{width:100%}.ps-take-submit{text-align:left}}.admin-skip-link{position:fixed;top:-80px;left:16px;z-index:100;padding:8px 14px;border-radius:4px;background:#165dff;color:#fff;font-size:14px;text-decoration:none;transition:top .15s ease}.admin-skip-link:focus-visible{top:8px}.admin-notification-link{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:4px;color:#4e5969}.admin-notification-link:hover{background:#f2f3f5;color:#1d2129}.admin-nav-drawer-close{display:none;align-items:center;justify-content:center;width:32px;height:32px;margin-left:auto;border:0;border-radius:4px;background:transparent;color:var(--admin-nav-group-text,#1d2129);cursor:pointer}.admin-nav-drawer-close:hover{background:color-mix(in srgb,var(--admin-nav-group-bg,#f2f3f5),var(--admin-nav-group-text,#1d2129) 13%)}.admin-nav-mask{position:fixed;inset:0;z-index:25;border:0;background:rgba(29,33,41,.45);cursor:pointer}@media (max-width:767.9px){.admin-shell.arco-layout .admin-sidebar.arco-layout-sider{position:fixed;inset:0 auto 0 0;z-index:30;height:100vh;transform:translateX(-100%);visibility:hidden;transition:transform .18s ease,visibility 0s linear .18s;box-shadow:none}.admin-shell.arco-layout .admin-sidebar.arco-layout-sider.admin-nav-drawer-open{transform:translateX(0);visibility:visible;transition:transform .18s ease;box-shadow:4px 0 20px rgba(0,0,0,.25)}.admin-nav-drawer-close{display:inline-flex}.admin-header.arco-layout-header{padding:0 10px}.admin-header-left{min-width:0;flex:1 1;gap:6px}.admin-breadcrumbs,.admin-menu-color-button,.admin-session-user{display:none}.admin-page-title{max-width:38vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.admin-header-actions{gap:2px}.admin-content.arco-layout-content{padding:14px 12px 40px}}.student-wrong-question-preview{color:#3e5468;font-size:14px;line-height:1.65}.student-wrong-question-preview .question-content-line{display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.student-wrong-question-content{margin-top:10px;max-width:720px;color:#33465a}.student-homework-list{display:flex;flex-direction:column;gap:12px}.student-homework-card{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 20px;border:1px solid #e3e9f2;border-radius:12px;background:#ffffff}.student-homework-card-main{min-width:0;flex:1 1}.student-homework-card-main h2{margin:6px 0 8px;font-size:17px;line-height:1.45;color:#183153}.student-homework-card-main h2 a{color:inherit;text-decoration:none}.student-homework-card-main h2 a:hover{text-decoration:underline}.student-homework-card-meta{display:flex;flex-wrap:wrap;gap:6px 14px;align-items:center;margin:0;color:#5d6d80;font-size:13px}.student-homework-card-action{flex-shrink:0}.student-homework-hero .student-lesson-facts{min-width:180px}.student-homework-facts h3{margin:18px 0 8px;font-size:15px;color:#183153}.student-homework-facts-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(200px,1fr));grid-gap:10px 24px;gap:10px 24px;margin:0}.student-homework-facts-grid>div{display:flex;flex-direction:column;gap:3px;padding:10px 14px;background:#f6f8fb;border-radius:10px}.student-homework-facts-grid dt{font-size:12px;color:#7a8ba0}.student-homework-facts-grid dd{margin:0;font-size:14px;font-weight:700;color:#183153}.student-homework-comment{margin-top:18px;padding:14px 16px;border-left:4px solid #2667d8;background:#f2f7ff;border-radius:0 10px 10px 0}.student-homework-comment p{margin:6px 0 0;color:#33465a;line-height:1.7;white-space:pre-wrap}.student-recent-result-list{display:flex;flex-direction:column;gap:12px}.student-recent-result-card{display:grid;grid-template-columns:minmax(0,1fr) auto;grid-gap:10px 18px;gap:10px 18px;align-items:center;padding:16px 20px;border:1px solid #e3e9f2;border-radius:12px;background:#ffffff}.student-recent-result-card header{min-width:0}.student-recent-result-card h2{margin:5px 0 0;font-size:16px;color:#183153}.student-recent-result-card h2 a{color:inherit;text-decoration:none}.student-recent-result-meta{display:flex;flex-direction:column;align-items:flex-end;gap:4px;text-align:right}.student-recent-result-meta strong{font-size:18px;color:#183153}.student-recent-result-meta span{font-size:12px;color:#5d6d80}.student-recent-result-comment{grid-column:1/-1;margin:0;padding:10px 14px;background:#f6f8fb;border-radius:8px;color:#33465a;font-size:13px;line-height:1.6}.student-recent-result-card>.card-link{grid-column:1/-1;justify-self:start}.student-assessment-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:16px}.student-assessment-warning{margin:12px 0 0;color:#b3541e;font-weight:700}.student-assessment-intro ul{padding-left:20px;line-height:1.9;color:#33465a}.student-attempt-expired{margin:0 0 14px;padding:12px 16px;border-radius:10px;background:#fdf3e7;color:#b3541e;font-weight:700;line-height:1.6}.student-status-not-started{background:#eef1f5;color:#5d6d80}.student-status-in-progress{background:#eaf1fb;color:#2667d8}.student-status-submitted{background:#eef4ff;color:#33548c}.student-status-grading{background:#fdf3e7;color:#b3541e}.student-status-graded{background:#e2f6ee;color:#16a085}.student-status-returned{background:#fdeeee;color:#c0453e}.student-status-overdue{background:#fbeaea;color:#b3271e}.student-status-unknown{background:#f3f4f6;color:#6b7280}.result-correct{color:#16a085;font-weight:800}.result-partial{color:#b3541e;font-weight:800}.result-incorrect{color:#c0453e;font-weight:800}.result-unanswered{color:#7a8ba0;font-weight:800}.result-pending{color:#2667d8;font-weight:800}.result-unknown{color:#6b7280;font-weight:800}.student-gains-panel{margin-top:24px}.link-inline{color:#2667d8;text-decoration:underline}@media (max-width:1200px){.student-homework-card{padding:16px 18px}}@media (max-width:1024px){.student-homework-card{flex-direction:column;align-items:stretch}.student-homework-card-action{align-self:flex-start}.student-recent-result-card{grid-template-columns:minmax(0,1fr)}.student-recent-result-meta{flex-direction:row;align-items:baseline;justify-content:flex-start;gap:12px;text-align:left}}@media (max-width:768px){.student-homework-facts-grid{grid-template-columns:1fr}}@media (max-width:375px){.student-homework-card,.student-recent-result-card{padding:14px}.student-homework-card-meta{gap:4px 10px}.student-homework-card-action .student-muted,.student-homework-card-action .student-primary-link{display:inline-block;max-width:100%}}