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.credits-mark--low[data-v-ced827f6],html.teacher-app .credits-mark--paused[data-v-ced827f6],html.teacher-app .credits-mark--unallocated[data-v-ced827f6]{color:#f0c674;background:rgba(176,122,46,.22);border-color:rgba(240,198,116,.3)}html.teacher-app .credits-mark--error[data-v-ced827f6],html.teacher-app .credits-mark--exhausted[data-v-ced827f6]{color:#f0a0a8;background:rgba(194,59,74,.22);border-color:rgba(240,160,168,.3)}html.teacher-app .credits-mark--empty[data-v-ced827f6],html.teacher-app .credits-mark--expired[data-v-ced827f6],html.teacher-app .credits-mark--recycled[data-v-ced827f6]{color:#98a2b3;background:hsla(0,0%,100%,.06);border-color:hsla(0,0%,100%,.12)}@keyframes credits-mark-spin-ced827f6{to{transform:rotate(1turn)}}html.teacher-app .common-layout[data-v-dd0fd978]{height:100%;overflow:hidden;background:var(--teacher-canvas,#f1f3f6)}html.teacher-app .common-layout>.el-container[data-v-dd0fd978]{height:100%;min-width:0}html.teacher-app .common-layout[data-v-dd0fd978] .el-aside{overflow:hidden}html.teacher-app .teacher-aside[data-v-dd0fd978]{display:flex;flex-direction:column;flex:0 0 auto;height:100%;min-height:0;min-width:0;max-width:min(13.75rem,20vw);padding:1.25rem .75rem 1rem;background:var(--teacher-sidebar,#111820);position:relative;overflow:hidden;box-sizing:border-box;transition:width .2s ease}html.teacher-app .teacher-aside.is-collapsed[data-v-dd0fd978]{max-width:4rem}html.teacher-app .teacher-aside .el-menu[data-v-dd0fd978]{flex:1 1 auto;min-width:0;min-height:0;width:100%;margin-top:.75rem;border-right:none;background:transparent;overflow-x:hidden;overflow-y:auto}html.teacher-app .teacher-aside .aside-brand[data-v-dd0fd978]{display:flex;align-items:center;justify-content:flex-start;gap:.625rem;padding:.25rem .625rem 1rem;min-width:0}html.teacher-app .teacher-aside .logo[data-v-dd0fd978]{width:78%;max-width:9.25rem;height:auto;margin:0 auto}html.teacher-app .teacher-aside .logo-mark[data-v-dd0fd978]{width:2.25rem;height:2.25rem;flex:0 0 2.25rem;border-radius:50%;object-fit:cover}html.teacher-app .teacher-aside .aside-org-name[data-v-dd0fd978]{min-width:0;color:#f3f7f6;font-size:.9375rem;font-weight:600;letter-spacing:.02em;line-height:1.3;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}html.teacher-app[data-v-dd0fd978] .teacher-menu.el-menu{--el-menu-hover-bg-color:var(--teacher-sidebar-elev,#1c2624);--el-menu-active-color:#fff;--el-menu-item-height:2.8125rem;--el-menu-sub-item-height:2.8125rem;min-width:0!important;border-right:none}html.teacher-app .menu-item-wrap[data-v-dd0fd978]{display:contents}html.teacher-app[data-v-dd0fd978] .teacher-menu .el-menu-item,html.teacher-app[data-v-dd0fd978] .teacher-menu .el-sub-menu__title{display:flex;align-items:center;height:var(--el-menu-item-height);line-height:var(--el-menu-item-height);margin:0 .25rem;padding-left:1.375rem!important;border-radius:.75rem;font-size:.9375rem;font-weight:500;overflow:hidden}html.teacher-app[data-v-dd0fd978] .teacher-menu .el-menu-item span,html.teacher-app[data-v-dd0fd978] .teacher-menu .el-sub-menu__title span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}html.teacher-app[data-v-dd0fd978] .teacher-menu .el-sub-menu .el-menu-item{padding-left:3.75rem!important}html.teacher-app[data-v-dd0fd978] .teacher-menu .el-menu-item.is-active,html.teacher-app[data-v-dd0fd978] .teacher-menu .el-menu-item.is-active:hover{background:linear-gradient(var(--teacher-brand,#147d88),var(--teacher-brand,#147d88)) 0/.1875rem 100% no-repeat,rgba(20,125,136,.42)!important;color:#fff!important;box-shadow:none}html.teacher-app[data-v-dd0fd978] .teacher-menu .el-menu-item.is-active .el-icon,html.teacher-app[data-v-dd0fd978] .teacher-menu .el-menu-item.is-active span{color:#fff!important}html.teacher-app .teacher-topbar[data-v-dd0fd978]{position:sticky;top:0;z-index:20;height:3.75rem;padding:0 1.75rem;background:#fff;backdrop-filter:blur(1rem);border-bottom:.0625rem solid var(--teacher-line,#e4e7ec);box-shadow:0 .0625rem 0 rgba(197,208,205,.55)}html.teacher-app .school-logo[data-v-dd0fd978]{width:11.25rem;max-width:42vw;height:auto}html.teacher-app .school-name[data-v-dd0fd978]{margin:0;color:var(--teacher-ink,#1c1917);font-size:1rem;font-weight:600;letter-spacing:-.01em}html.teacher-app .teacher-main-wrap[data-v-dd0fd978]{flex:1 1 auto;min-width:0;width:100%;height:100%;overflow:hidden}html.teacher-app .teacher-main[data-v-dd0fd978]{background:var(--teacher-canvas,#f1f3f6);flex:1 1 auto;height:auto;min-height:0;padding:1.75rem 1.75rem 3rem;overflow-x:hidden;overflow-y:auto}html.teacher-app .teacher-main[data-v-dd0fd978],html.teacher-app .teacher-main[data-v-dd0fd978]>*{width:100%;max-width:100%;min-width:0;box-sizing:border-box}html.teacher-app .teacher-page__head[data-v-dd0fd978]{display:flex;align-items:flex-end;justify-content:space-between;gap:1rem;margin-bottom:1.25rem}html.teacher-app .teacher-page__head-main[data-v-dd0fd978]{min-width:0;flex:1}html.teacher-app .teacher-page__head-actions[data-v-dd0fd978]{flex-shrink:0;display:flex;align-items:center;padding-bottom:.0625rem}html.teacher-app .teacher-page__back[data-v-dd0fd978]{height:2rem;padding:0 .75rem;border-color:rgba(21,32,43,.12);background:var(--teacher-surface,#fff);color:var(--teacher-ink-soft,#3d4654);font-weight:500}html.teacher-app .teacher-page__back[data-v-dd0fd978]:hover{border-color:var(--el-color-primary-light-5);color:var(--teacher-brand,#147d88);background:var(--teacher-brand-tint,#e8f4f5)}html.teacher-app .teacher-page__back .el-icon[data-v-dd0fd978]{margin-right:.25rem}html.teacher-app .teacher-page__head h1[data-v-dd0fd978]{margin:0;font-size:1.375rem;font-weight:600;letter-spacing:-.02em;color:var(--teacher-ink,#1c1917)}html.teacher-app .teacher-eyebrow[data-v-dd0fd978]{margin:0 0 .5rem;color:var(--teacher-brand-muted,#3d9aa3);font-size:.6875rem;font-weight:600;letter-spacing:.08em}html.teacher-app .pointer[data-v-dd0fd978]{cursor:pointer}html.teacher-app .course-dropdown[data-v-dd0fd978]{width:100%}html.teacher-app .course-selector[data-v-dd0fd978]{display:flex;width:calc(100% - .5rem);max-width:100%;align-items:center;margin:0 .25rem;padding:.625rem;border-radius:.75rem;color:#e8f3f1;background:hsla(0,0%,100%,.04);transition:background-color .2s ease;box-sizing:border-box;outline:none}html.teacher-app .course-selector[data-v-dd0fd978]:hover{background:var(--teacher-sidebar-elev,#1c2624)}html.teacher-app .course-selector__row[data-v-dd0fd978]{display:flex;align-items:center;gap:.5rem;width:100%;min-width:0}html.teacher-app .course-selector__name[data-v-dd0fd978]{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;text-align:left;font-size:.8125rem;font-weight:500}html.teacher-app .course-selector__mark[data-v-dd0fd978]{flex:0 0 auto}html.teacher-app .course-selector--name-only .course-selector__name[data-v-dd0fd978]{flex:1;min-width:0}html.teacher-app .course-option[data-v-dd0fd978]{display:grid;min-width:13.75rem;gap:.125rem;padding:.1875rem 0}html.teacher-app .course-option span[data-v-dd0fd978]{color:var(--teacher-ink,#1c1917);font-weight:600}html.teacher-app .course-option small[data-v-dd0fd978]{color:var(--teacher-muted,#78716c);font-size:.6875rem}html.teacher-app .course-option__retired[data-v-dd0fd978]{justify-self:start;margin-top:.125rem}html.teacher-app .course-option--name-only[data-v-dd0fd978]{min-width:11.25rem;gap:0;grid-template-columns:minmax(0,1fr) auto;align-items:center}html.teacher-app .course-option--name-only span[data-v-dd0fd978]{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}html.teacher-app .course-option--name-only .course-option__retired[data-v-dd0fd978]{justify-self:end;margin-top:0}html.teacher-app .teacher-retired-alert[data-v-dd0fd978]{margin-bottom:.875rem}html.teacher-app .user-chip[data-v-dd0fd978]{padding:.5rem .75rem;border-radius:62.4375rem;background:var(--teacher-surface-soft,#faf8f5);border:.0625rem solid var(--teacher-line,#e4e7ec);color:var(--teacher-ink-soft,#3f3a36);font-size:.8125rem;font-weight:500;outline:none}html.teacher-app .user-chip[data-v-dd0fd978],html.teacher-app .user-chip__inner[data-v-dd0fd978]{display:inline-flex;align-items:center;gap:.375rem}html.teacher-app .vertical_middle[data-v-dd0fd978]{vertical-align:middle}@media (max-width:900px){html.teacher-app .common-layout>.el-container[data-v-dd0fd978]{min-width:0}html.teacher-app .teacher-aside[data-v-dd0fd978]{min-height:0;padding-top:.75rem}html.teacher-app .teacher-aside .logo[data-v-dd0fd978]{width:auto;max-width:7.5rem;max-height:2.75rem}html.teacher-app .teacher-topbar[data-v-dd0fd978]{height:auto;min-height:3.5rem;gap:.75rem;padding:.625rem .875rem}html.teacher-app .teacher-main[data-v-dd0fd978]{width:100%;min-width:0;padding:1rem;overflow-x:hidden}html.teacher-app .course-selector[data-v-dd0fd978]{flex-wrap:nowrap}}@media (max-width:560px){html.teacher-app .school-name[data-v-dd0fd978]{max-width:52vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}}html.teacher-app .teacher-aside .teacher-menu.el-menu{--el-menu-item-height:2.8125rem;--el-menu-sub-item-height:2.8125rem;--el-menu-active-color:#fff}html.teacher-app .teacher-aside .teacher-menu .el-menu-item,html.teacher-app .teacher-aside .teacher-menu .el-sub-menu__title{height:2.8125rem!important;line-height:2.8125rem!important;margin:0 .25rem;padding-left:1.375rem!important;border-radius:.75rem;font-size:.9375rem!important}html.teacher-app .teacher-aside .teacher-menu .el-sub-menu .el-menu-item{padding-left:3.75rem!important}html.teacher-app .teacher-aside .teacher-menu .el-menu-item.is-active,html.teacher-app .teacher-aside .teacher-menu .el-menu-item.is-active:hover{background:linear-gradient(#147d88,#147d88) 0/.1875rem 100% no-repeat,rgba(20,125,136,.42)!important;color:#fff!important}html.teacher-app .teacher-aside .teacher-menu .el-menu-item.is-active .el-icon,html.teacher-app .teacher-aside .teacher-menu .el-menu-item.is-active span{color:#fff!important}html.teacher-app .common-layout>.el-container>.el-container[data-v-1ded3ad8],html.teacher-app .common-layout>.el-container[data-v-1ded3ad8],html.teacher-app .common-layout[data-v-1ded3ad8]{height:100%;min-height:0}html.teacher-app .el-aside[data-v-1ded3ad8]{height:100%;min-height:0;overflow-x:hidden;overflow-y:auto;width:6.25rem;background-color:#182853;padding-top:1.25rem}html.teacher-app[data-v-1ded3ad8] .el-menu{border-right:none;margin-top:3.125rem}html.teacher-app[data-v-1ded3ad8] .el-menu img{margin-bottom:.3125rem}html.teacher-app[data-v-1ded3ad8] .el-menu-item{display:flex;flex-direction:column;align-items:center;justify-content:center;height:auto!important;min-height:4.75rem;line-height:1.25rem!important;text-align:center;margin:.75rem 0;padding:.625rem .25rem!important;overflow:visible;white-space:normal;font-size:.9375rem}html.teacher-app[data-v-1ded3ad8] .el-menu-item span{display:block;margin-top:.25rem;line-height:1.25rem;font-size:.9375rem;white-space:normal;overflow:visible}html.teacher-app .el-main[data-v-1ded3ad8]{height:100%;min-height:0;overflow-x:hidden;overflow-y:auto;background:#f3f4ff url(../img/bg.f9f97683.png) no-repeat 50%/cover;padding:0}html.teacher-app .kt-aside .kt-menu.el-menu{--el-menu-item-height:auto;border-right:none}html.teacher-app .kt-aside .kt-menu .el-menu-item{display:flex!important;flex-direction:column!important;align-items:center;justify-content:center;height:auto!important;min-height:4.75rem!important;line-height:1.25rem!important;margin:.75rem 0;padding:.625rem .25rem!important;overflow:visible!important;white-space:normal!important;font-size:.9375rem!important}html.teacher-app .kt-aside .kt-menu .el-menu-item span{display:block;margin-top:.25rem;line-height:1.25rem;font-size:.9375rem;white-space:normal!important;overflow:visible!important}html.teacher-app .kt-aside .kt-menu .el-menu-item.is-active,html.teacher-app .kt-aside .kt-menu .el-menu-item.is-active span{color:#fdb822!important}html.teacher-app,html.teacher-app #app,html.teacher-app body{padding:0;height:100%}html.teacher-app .text_center{text-align:center}html.teacher-app .text_right{text-align:right}html.teacher-app .text_left{text-align:left}html.teacher-app .float_right{float:right}html.teacher-app .flex{display:flex}html.teacher-app .flex_warp{flex-wrap:wrap}html.teacher-app .space_between{justify-content:space-between}html.teacher-app .space_center{justify-content:center}html.teacher-app .space_around{justify-content:space-around}html.teacher-app .flex_end{justify-content:flex-end}html.teacher-app .align_center{align-items:center}html.teacher-app .el-pagination.is-background .el-pager 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.padding_20{padding:1.25rem}html.teacher-app{--teacher-ink:#15202b;--teacher-ink-soft:#3d4a57;--teacher-muted:#6b7785;--teacher-subtle:#98a2b3;--teacher-brand:#147d88;--teacher-brand-hover:#0f6871;--teacher-brand-deep:#0c545c;--teacher-brand-soft:#e8f4f5;--teacher-brand-tint:#f3f9fa;--teacher-brand-muted:#3d9aa3;--teacher-warm:#a8895c;--teacher-warm-hover:#917448;--teacher-warm-soft:#f6f1e8;--teacher-warm-tint:#faf7f1;--teacher-line:#e4e7ec;--teacher-line-strong:#d0d5dd;--teacher-surface:#fff;--teacher-surface-soft:#f7f8fa;--teacher-canvas:#f1f3f6;--teacher-danger:#c23b4a;--teacher-warning:#b07a2e;--teacher-success:#2f8b6e;--teacher-focus:#147d88;--teacher-focus-ring:rgba(20,125,136,0.22);--teacher-sidebar:#111820;--teacher-sidebar-elev:#1a232c;--teacher-sidebar-text:#9aa8b5;--teacher-sidebar-active-bg:rgba(20,125,136,0.22);--teacher-table-hover:#f5f7f9;--teacher-table-header:#f0f2f5;--teacher-table-stripe:#fafbfc;--teacher-table-border:#e8ebf0;--sp-1:0.25rem;--sp-2:0.5rem;--sp-3:0.75rem;--sp-4:1rem;--sp-5:1.25rem;--sp-6:1.5rem;--sp-7:2rem;--sp-8:2.5rem;--radius-xs:0.5rem;--radius-sm:0.75rem;--radius-md:1rem;--radius-lg:1.125rem;--radius-xl:1.375rem;--elev-0:0 0 0 0.0625rem rgba(21,32,43,0.04);--elev-1:0 0.0625rem 0.125rem rgba(21,32,43,0.04),0 0.5rem 1.5rem rgba(21,32,43,0.05);--elev-2:0 0.125rem 0.375rem rgba(21,32,43,0.05),0 0.875rem 2rem rgba(21,32,43,0.08);--elev-3:0 0.75rem 2.5rem rgba(21,32,43,0.14);--elev-drawer:-0.625rem 0 2.25rem 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#app,html.teacher-app body{min-height:100%;margin:0;color:var(--teacher-ink);background:var(--teacher-canvas);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei UI,Microsoft YaHei,system-ui,sans-serif;line-height:1.55;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale;text-rendering:optimizeLegibility;font-synthesis:none}html.teacher-app body{font-size:.9375rem;font-weight:400;letter-spacing:0}html.teacher-app button{-webkit-tap-highlight-color:transparent}html.teacher-app ::selection{color:#fff;background:rgba(20,125,136,.78)}html.teacher-app,html.teacher-app .el-drawer__body,html.teacher-app .el-scrollbar__wrap,html.teacher-app .el-table__body-wrapper,html.teacher-app .teacher-aside,html.teacher-app .teacher-main{scrollbar-width:thin;scrollbar-color:#c5cbd3 transparent}html.teacher-app .el-drawer__body::-webkit-scrollbar,html.teacher-app .el-scrollbar__wrap::-webkit-scrollbar,html.teacher-app .el-table__body-wrapper::-webkit-scrollbar,html.teacher-app .teacher-aside::-webkit-scrollbar,html.teacher-app .teacher-main::-webkit-scrollbar{width:.5rem;height:.5rem}html.teacher-app .el-drawer__body::-webkit-scrollbar-thumb,html.teacher-app .el-scrollbar__wrap::-webkit-scrollbar-thumb,html.teacher-app .el-table__body-wrapper::-webkit-scrollbar-thumb,html.teacher-app .teacher-aside::-webkit-scrollbar-thumb,html.teacher-app .teacher-main::-webkit-scrollbar-thumb{border:.125rem solid transparent;border-radius:62.4375rem;background:#c5cbd3;background-clip:padding-box}html.teacher-app .el-drawer__body::-webkit-scrollbar-track,html.teacher-app .el-scrollbar__wrap::-webkit-scrollbar-track,html.teacher-app .el-table__body-wrapper::-webkit-scrollbar-track,html.teacher-app .teacher-aside::-webkit-scrollbar-track,html.teacher-app .teacher-main::-webkit-scrollbar-track{background:transparent}html.teacher-app .el-picker-panel .el-scrollbar__wrap,html.teacher-app .el-time-spinner .el-scrollbar__wrap{scrollbar-width:none}html.teacher-app .el-picker-panel .el-scrollbar__wrap::-webkit-scrollbar,html.teacher-app .el-time-spinner .el-scrollbar__wrap::-webkit-scrollbar{width:0;height:0;display:none}html.teacher-app :focus-visible{outline:.125rem solid var(--teacher-brand);outline-offset:.125rem}html.teacher-app .el-button:focus-visible,html.teacher-app .el-input__inner:focus-visible,html.teacher-app .el-input__wrapper:focus-visible,html.teacher-app .el-radio-button__inner:focus-visible,html.teacher-app .el-select__input:focus-visible,html.teacher-app .el-select__wrapper:focus-visible,html.teacher-app .el-textarea__inner:focus-visible{outline:none}html.teacher-app .teacher-page{display:grid;gap:var(--sp-5);animation:teacher-page-in var(--motion-slow) var(--ease-out)}html.teacher-app .teacher-page__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--sp-5)}html.teacher-app .teacher-page__head h1{margin:0 0 .375rem;font-size:1.375rem;font-weight:600;line-height:1.3;letter-spacing:-.02em;color:var(--teacher-ink)}html.teacher-app .teacher-page__head p{margin:0;color:var(--teacher-muted);font-size:.8125rem;line-height:1.55}html.teacher-app .teacher-eyebrow{display:inline-flex;align-items:center;gap:.375rem;margin-bottom:.5rem;color:var(--teacher-brand-muted);font-size:.6875rem;font-weight:600;letter-spacing:.08em}html.teacher-app .teacher-card,html.teacher-app .teacher-panel,html.teacher-app .teacher-surface{border:.0625rem solid rgba(21,32,43,.06);border-radius:var(--radius-md);background:var(--teacher-surface);box-shadow:var(--elev-1)}html.teacher-app .teacher-panel__body{padding:1.125rem 1.25rem}html.teacher-app .teacher-filter{display:flex;align-items:center;flex-wrap:wrap;gap:.625rem}html.teacher-app .course-tree-search .el-form-item{margin-right:0;margin-bottom:.625rem;width:100%}html.teacher-app .course-tree-search .el-form-item__content{display:flex;flex-wrap:nowrap;align-items:center;gap:.5rem;width:100%}html.teacher-app .course-tree-search .el-input{flex:1 1 auto;min-width:0;width:auto}html.teacher-app .course-tree-search .el-button{flex:0 0 auto}html.teacher-app .teacher-list-page{display:grid;gap:var(--sp-4);width:100%;max-width:100%;min-width:0}html.teacher-app .teacher-list-panel{display:flex;flex-direction:column;width:100%;max-width:100%;min-width:0;padding:1.125rem 1.25rem .75rem;border:.0625rem solid rgba(21,32,43,.06);border-radius:var(--radius-md);background:var(--teacher-surface);box-shadow:var(--elev-1);overflow-x:auto}html.teacher-app .teacher-list-toolbar{display:flex;flex-wrap:wrap;align-items:center;gap:.625rem .75rem;margin-bottom:.875rem}html.teacher-app .teacher-list-toolbar.el-form--inline .el-form-item{margin-right:0;margin-bottom:0;vertical-align:middle}html.teacher-app .teacher-list-toolbar__right{margin-left:auto;max-width:100%}html.teacher-app .teacher-list-toolbar__right,html.teacher-app .teacher-list-toolbar__right .el-form-item__content{display:inline-flex;align-items:center;flex-wrap:wrap;gap:.75rem}html.teacher-app .teacher-list-panel .el-table{flex:1 1 auto;width:100%;border:0!important;box-shadow:none!important;background:transparent}html.teacher-app .teacher-list-panel .el-table__inner-wrapper:before{display:none}html.teacher-app .teacher-list-panel .el-table__empty-block{min-height:17.5rem}html.teacher-app .teacher-kpi{position:relative;overflow:hidden;padding:1.125rem 1.25rem;border-radius:var(--radius-md);border:.0625rem solid rgba(21,32,43,.06);background:var(--teacher-surface);box-shadow:var(--elev-1);transition:box-shadow var(--motion-base) var(--ease-out),transform var(--motion-base) var(--ease-out)}html.teacher-app .teacher-kpi:before{content:"";position:absolute;inset:0 auto 0 0;width:.1875rem;background:linear-gradient(180deg,var(--teacher-brand),var(--teacher-brand-muted));opacity:.9}html.teacher-app .teacher-kpi:hover{box-shadow:var(--elev-2);transform:translateY(-.0625rem)}html.teacher-app .teacher-kpi__label{color:var(--teacher-muted);font-size:.75rem;font-weight:500}html.teacher-app .teacher-kpi__value{margin-top:.5rem;font-size:1.625rem;font-weight:600;line-height:1.15;letter-spacing:-.025em;font-variant-numeric:tabular-nums}html.teacher-app .teacher-empty{padding:4rem 1.25rem;text-align:center;color:var(--teacher-muted)}html.teacher-app .teacher-status{display:inline-flex;align-items:center;gap:.375rem;font-size:.75rem;font-weight:500}html.teacher-app .teacher-status:before{content:"";width:.5rem;height:.5rem;border-radius:50%;background:currentColor}html.teacher-app .teacher-status--done{color:var(--teacher-success)}html.teacher-app .teacher-status--doing{color:var(--teacher-warning)}html.teacher-app .teacher-status--pending{color:var(--teacher-muted)}html.teacher-app .teacher-status--fail{color:var(--teacher-danger)}html.teacher-app .teacher-status--marking{color:var(--teacher-brand)}@keyframes teacher-page-in{0%{opacity:0;transform:translateY(.375rem)}to{opacity:1;transform:translateY(0)}}@media (prefers-reduced-motion:reduce){html.teacher-app *,html.teacher-app :after,html.teacher-app :before{scroll-behavior:auto!important;animation-duration:.01ms!important;animation-iteration-count:1!important;transition-duration:.01ms!important}}html.teacher-app .el-button:not(.is-circle):not(.is-round){border-radius:var(--radius-sm)}html.teacher-app .el-button{font-weight:500;box-shadow:none!important;transition:border-color var(--motion-fast) var(--ease-out),background-color var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out),transform var(--motion-fast) var(--ease-out)}html.teacher-app .el-button.is-circle{width:auto!important;height:auto!important;min-width:unset!important;min-height:unset!important;padding:.5rem!important;border-radius:50%!important;line-height:1!important;aspect-ratio:1/1;flex-shrink:0;box-sizing:border-box}html.teacher-app .el-button:not(.is-disabled):not(.is-link):active{transform:scale(.98)}html.teacher-app .el-button--primary:not(.is-plain):not(.is-link){border-color:var(--teacher-brand);background:var(--teacher-brand)}html.teacher-app .el-button--primary:not(.is-plain):not(.is-link):focus,html.teacher-app .el-button--primary:not(.is-plain):not(.is-link):hover{border-color:var(--teacher-brand-hover);background:var(--teacher-brand-hover)}html.teacher-app .el-button.is-disabled{opacity:.45}html.teacher-app .el-button.is-link{--el-button-hover-link-text-color:var(--teacher-brand-hover);--el-button-active-color:var(--teacher-brand-deep);padding:.1875rem .125rem;border-color:transparent;background:transparent;font-weight:500}html.teacher-app .el-button.is-link.el-button--primary{--el-button-text-color:var(--teacher-brand);--el-button-hover-link-text-color:var(--teacher-brand-hover);color:var(--teacher-brand)!important}html.teacher-app .el-button.is-link.el-button--primary:not(.is-disabled):focus,html.teacher-app .el-button.is-link.el-button--primary:not(.is-disabled):hover{color:var(--teacher-brand-hover)!important;background:transparent}html.teacher-app .el-button.is-plain{background:#fff}html.teacher-app .el-button.is-plain:not(.is-disabled):focus,html.teacher-app .el-button.is-plain:not(.is-disabled):hover{background:var(--teacher-brand-soft);color:var(--el-button-text-color,var(--teacher-brand));border-color:var(--el-button-border-color,var(--teacher-brand))}html.teacher-app .el-form-item{margin-bottom:1.125rem}html.teacher-app .el-form-item:not(.el-form-item--label-top){align-items:center}html.teacher-app .el-form-item:not(.el-form-item--label-top)>.el-form-item__label,html.teacher-app .el-form-item:not(.el-form-item--label-top)>.el-form-item__label-wrap{height:auto!important;align-items:center}html.teacher-app .el-form-item:not(.el-form-item--label-top) .el-form-item__label{display:inline-flex;align-items:center;height:auto!important;line-height:normal!important;padding-bottom:0!important;color:var(--teacher-ink-soft);font-size:.8125rem;font-weight:500}html.teacher-app .el-form-item:not(.el-form-item--label-top) .el-form-item__content{line-height:normal;align-items:center}html.teacher-app .el-table{--el-table-header-bg-color:#f4f6f8;--el-table-row-hover-bg-color:var(--teacher-brand-tint);--el-table-border-color:var(--teacher-table-border);--el-table-striped-bg-color:var(--teacher-table-stripe);--el-table-bg-color:var(--teacher-surface)}html.teacher-app .teacher-table-status{display:inline-flex;align-items:center;justify-content:center;min-width:3.25rem;height:1.5rem;padding:0 .625rem;border-radius:62.4375rem;font-size:.75rem;font-weight:600;line-height:1}html.teacher-app .teacher-table-status.is-on{color:#246e57;background:rgba(47,139,110,.12)}html.teacher-app .teacher-table-status.is-off{color:#9a2e3a;background:rgba(194,59,74,.1)}html.teacher-app .teacher-table-actions{display:inline-flex;align-items:center;justify-content:center;flex-wrap:nowrap;gap:.125rem .625rem;white-space:nowrap}html.teacher-app .teacher-table-actions .el-button.is-link{margin:0;padding:0;font-size:.8125rem}html.teacher-app .el-main>.el-table,html.teacher-app .teacher-page>.el-table{border:.0625rem solid rgba(21,32,43,.06);box-shadow:var(--elev-1)}html.teacher-app .el-tabs__nav-wrap:after{height:.0625rem;background:var(--teacher-table-border)}html.teacher-app .el-tabs__item{height:2.625rem;color:var(--teacher-muted);font-size:.8125rem;font-weight:500}html.teacher-app .el-tabs__item.is-active,html.teacher-app .el-tabs__item:hover{color:var(--teacher-brand)}html.teacher-app .el-tabs__item.is-active{font-weight:600}html.teacher-app .el-tabs__active-bar{height:.125rem;border-radius:62.4375rem;background:var(--teacher-brand)}html.teacher-app .el-tag{border-radius:.75rem;font-size:.75rem;font-weight:500}html.teacher-app .el-dialog,html.teacher-app .el-message-box{--el-bg-color:var(--teacher-surface);--el-dialog-bg-color:var(--teacher-surface);overflow:hidden;border-radius:var(--radius-xl);border:.0625rem solid rgba(21,32,43,.06);background:var(--teacher-surface)!important;box-shadow:var(--elev-3)}html.teacher-app .el-dialog__header,html.teacher-app .el-message-box__header{margin:0;padding:1.25rem 1.5rem .875rem;border-bottom:.0625rem solid var(--teacher-table-border);background:var(--teacher-surface)!important}html.teacher-app .el-dialog__title,html.teacher-app .el-message-box__title{color:var(--teacher-ink);font-size:1rem;font-weight:600;letter-spacing:-.01em}html.teacher-app .el-dialog__body{padding:1.375rem 1.5rem;background:var(--teacher-surface)!important;color:var(--teacher-ink-soft)}html.teacher-app .el-dialog__footer{padding:.875rem 1.5rem 1.125rem;border-top:.0625rem solid var(--teacher-table-border)}html.teacher-app .el-dialog__footer,html.teacher-app .el-message-box__btns,html.teacher-app .el-message-box__content{background:var(--teacher-surface)!important}html.teacher-app .el-message-box__btns{border-top:.0625rem solid var(--teacher-table-border);padding:.75rem 1.5rem 1rem}html.teacher-app .el-overlay{background-color:rgba(15,23,32,.42);backdrop-filter:blur(.5rem)}html.teacher-app .el-drawer{--el-bg-color:var(--teacher-surface);--el-drawer-bg-color:var(--teacher-surface);background:var(--teacher-surface)!important;box-shadow:var(--elev-drawer);overflow:hidden}html.teacher-app .el-drawer__header{margin-bottom:0;padding:1rem 1.375rem;border-bottom:.0625rem solid rgba(21,32,43,.06);background:var(--teacher-surface)!important;color:var(--teacher-ink)}html.teacher-app .el-drawer__title{color:var(--teacher-ink);font-size:.9375rem;font-weight:600;letter-spacing:-.01em}html.teacher-app .el-drawer__close-btn{color:var(--teacher-muted)}html.teacher-app .el-drawer__body,html.teacher-app .el-drawer__footer{background:var(--teacher-surface)!important}html.teacher-app .el-drawer__body{height:100%;overflow:auto}html.teacher-app .el-drawer+.el-overlay,html.teacher-app .el-overlay.is-drawer+.el-overlay{z-index:3100}html.teacher-app .el-card{width:100%;border:.0625rem solid rgba(21,32,43,.06)!important;border-radius:var(--radius-md);background:var(--teacher-surface);box-shadow:var(--elev-1)}html.teacher-app .el-card__body{width:100%;box-sizing:border-box}html.teacher-app .el-card__header{border-bottom:.0625rem solid var(--teacher-table-border);background:transparent}html.teacher-app .el-header,html.teacher-app .el-main{background:transparent}html.teacher-app .el-pager li,html.teacher-app .el-pagination button{min-width:2rem;height:2rem;border-radius:.75rem;color:var(--teacher-muted);font-weight:500}html.teacher-app .el-pager li.is-active{background:var(--teacher-brand-soft);color:var(--teacher-brand)}html.teacher-app .el-pager li:hover,html.teacher-app .el-pagination button:hover{color:var(--teacher-brand)}html.teacher-app .el-pagination.is-background .el-pager li.is-active{background-color:var(--teacher-brand)!important}html.teacher-app .el-loading-mask{background-color:hsla(0,0%,100%,.78)!important;backdrop-filter:blur(.0625rem)}html.teacher-app .el-loading-spinner .path{stroke:var(--teacher-brand)}html.teacher-app .el-message{border-radius:.75rem;box-shadow:var(--elev-3)}html.teacher-app .el-progress-bar__outer{background:#e8ebf0}html.teacher-app .el-switch.is-checked .el-switch__core{background-color:var(--teacher-brand)!important;border-color:var(--teacher-brand)!important}html.teacher-app .el-alert{border-radius:.875rem}html.teacher-app .el-alert--info.is-light{border-color:#dce3ea;background:#f5f7fa;color:#44515f}html.teacher-app .el-alert--warning.is-light{border-color:rgba(176,122,46,.28);background:rgba(176,122,46,.08);color:#8a5f22}html.teacher-app .el-alert--error.is-light{border-color:rgba(194,59,74,.28);background:rgba(194,59,74,.08);color:#9a2e3a}html.teacher-app .el-alert--success.is-light{border-color:rgba(47,139,110,.28);background:rgba(47,139,110,.08);color:#246e57}html.teacher-app .translate-result-drawer .el-drawer__body{height:100%;overflow-x:hidden;overflow-y:auto!important;box-sizing:border-box}html.teacher-app .el-tree-node__content{overflow:hidden}html.teacher-app .el-tree-node__content .course-tree-node{display:inline-flex;align-items:center;flex:1;gap:.25rem;height:100%;min-width:0;max-width:100%;overflow:hidden;line-height:1;vertical-align:middle}html.teacher-app .el-tree-node__content .course-tree-node .el-tooltip__trigger{flex:1;min-width:0;overflow:hidden;display:block}html.teacher-app .course-tree-node__icon{flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;color:var(--teacher-brand,#147d88);line-height:1}html.teacher-app .course-tree-node__label{flex:1;min-width:0;line-height:1.2;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}html.teacher-app .overflow-tooltip-popper{max-width:22.5rem;line-height:1.5;word-break:break-word}html.teacher-app .word-page{display:flex;flex-direction:column;gap:var(--sp-4)}html.teacher-app .word-toolbar{display:flex;align-items:center;justify-content:flex-end;gap:var(--sp-3)}html.teacher-app .word-toolbar .el-button{height:2rem}html.teacher-app .word-card+.word-card,html.teacher-app .word-page>.el-card+.el-card{margin-top:0}html.teacher-app .word-page>.el-card{margin:0}html.teacher-app .word-form,html.teacher-app .word-form.el-form{max-width:45rem}html.teacher-app .word-form .el-form-item__label{white-space:nowrap!important;word-break:keep-all}html.teacher-app .word-form .el-select,html.teacher-app .word-form .word-control{width:17.5rem;max-width:100%}html.teacher-app .word-readonly{color:var(--teacher-ink);font-size:.875rem;font-weight:500;line-height:2rem}html.teacher-app .word-inline-field{display:inline-flex;align-items:center;gap:var(--sp-3);flex-wrap:wrap}html.teacher-app .word-inline-field .el-input{width:17.5rem;max-width:100%}html.teacher-app .word-cover{display:block;width:3.5rem;height:4.75rem;object-fit:cover;border-radius:var(--radius-xs);box-shadow:var(--elev-1);background:var(--teacher-brand-soft);flex-shrink:0;overflow:hidden}html.teacher-app .el-image.word-cover,html.teacher-app .word-cover.el-image{display:inline-block}html.teacher-app .word-cover .el-image__inner{width:100%;height:100%;object-fit:cover}html.teacher-app .word-cover--sm{width:2.25rem;height:3rem;border-radius:.375rem}html.teacher-app .word-cover--placeholder{display:flex;align-items:center;justify-content:center;color:var(--teacher-brand-muted);font-size:.75rem}html.teacher-app .word-book-header{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-6);flex-wrap:wrap}html.teacher-app .word-book-header__main{display:flex;align-items:center;gap:var(--sp-4);min-width:0;flex:1}html.teacher-app .word-book-header__meta{min-width:0}html.teacher-app .word-book-header__title{margin:0 0 var(--sp-2);color:var(--teacher-ink);font-size:1.125rem;font-weight:600;line-height:1.35}html.teacher-app .word-book-header__side{display:flex;align-items:center;gap:var(--sp-5);flex-shrink:0}html.teacher-app .word-stat{display:flex;flex-direction:column;align-items:center;gap:.125rem;min-width:4.5rem;padding-right:var(--sp-5);border-right:.0625rem solid var(--teacher-line)}html.teacher-app .word-stat.word-stat--last,html.teacher-app .word-stat:last-child{border-right:0;padding-right:0}html.teacher-app .word-stat-value{color:var(--teacher-brand);font-size:1.75rem;font-weight:650;line-height:1.1;letter-spacing:-.02em}html.teacher-app .word-stat-label{color:var(--teacher-muted);font-size:.75rem}html.teacher-app .word-actions{display:flex;align-items:center;gap:var(--sp-2);flex-wrap:wrap}html.teacher-app .word-action{display:inline-flex;align-items:center;gap:.5rem;height:2.5rem;padding:0 .875rem;border:.0625rem solid transparent;border-radius:var(--radius-sm);background:var(--teacher-brand-soft);color:var(--teacher-brand-deep);font-size:.8125rem;font-weight:500;cursor:pointer;transition:background var(--motion-fast) var(--ease-out),border-color var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out),box-shadow var(--motion-fast) var(--ease-out)}html.teacher-app .word-action:hover{background:var(--teacher-brand-tint);border-color:var(--el-color-primary-light-7);color:var(--teacher-brand-hover);box-shadow:var(--elev-0)}html.teacher-app .word-action .el-icon{font-size:1.125rem}html.teacher-app .steps,html.teacher-app .word-step{display:inline-flex;align-items:center;justify-content:center;min-width:1.5rem;height:1.5rem;margin:.125rem .375rem .125rem 0;padding:0 .375rem;border:.0625rem solid var(--teacher-line-strong);border-radius:.375rem;background:var(--teacher-surface);color:var(--teacher-muted);font-size:.75rem;font-weight:600;line-height:1;vertical-align:middle}html.teacher-app .step_active,html.teacher-app .word-step.is-active{border-color:var(--teacher-brand);background:var(--teacher-brand);color:#fff}html.teacher-app .word-audio-btn{display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;padding:0;border:.0625rem solid var(--teacher-line);border-radius:50%;background:var(--teacher-brand-tint);color:var(--teacher-brand);cursor:pointer;transition:background var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out),border-color var(--motion-fast) var(--ease-out),transform var(--motion-fast) var(--ease-out)}html.teacher-app .word-audio-btn:hover{background:var(--teacher-brand-soft);border-color:var(--el-color-primary-light-5);color:var(--teacher-brand-hover)}html.teacher-app .word-audio-btn:active{transform:scale(.96)}html.teacher-app .word-audio-btn .el-icon{font-size:.875rem}html.teacher-app .word-unit-toolbar{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-3);margin-bottom:var(--sp-3)}html.teacher-app .word-unit-meta{color:var(--teacher-brand);font-size:.8125rem;font-weight:500;white-space:nowrap}html.teacher-app .word-unit-list{display:flex;flex-direction:column;gap:.125rem}html.teacher-app .word-unit-row{display:flex;align-items:center;gap:var(--sp-2);min-height:2.5rem;padding:.375rem .625rem;border-radius:var(--radius-xs);color:var(--teacher-ink-soft);cursor:pointer;transition:background var(--motion-fast) var(--ease-out)}html.teacher-app .word-unit-row:hover{background:var(--teacher-surface-soft)}html.teacher-app .word-unit-row.is-active{background:var(--teacher-brand-soft);color:var(--teacher-brand);font-weight:550}html.teacher-app .word-unit-row__name{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}html.teacher-app .word-row-ops{display:inline-flex;align-items:center;gap:.125rem;flex-shrink:0}html.teacher-app .word-row-ops .el-icon,html.teacher-app .word-row-ops button{display:inline-flex;align-items:center;justify-content:center;width:1.75rem;height:1.75rem;border:0;border-radius:.5rem;background:transparent;color:var(--teacher-subtle);cursor:pointer;transition:color var(--motion-fast) var(--ease-out),background var(--motion-fast) var(--ease-out)}html.teacher-app .word-row-ops .el-icon:hover,html.teacher-app .word-row-ops button:hover{background:var(--teacher-brand-tint);color:var(--teacher-brand)}html.teacher-app .word-row-ops .is-danger:hover{background:rgba(194,59,74,.08);color:var(--teacher-danger)}html.teacher-app .word-section-title{margin:var(--sp-5) 0 var(--sp-3);color:var(--teacher-ink);font-size:1rem;font-weight:600}html.teacher-app .word-block{margin:var(--sp-3) 0;padding:var(--sp-4);border:.0625rem solid var(--teacher-line);border-radius:var(--radius-sm);background:var(--teacher-surface);box-shadow:var(--elev-0)}html.teacher-app .word-block-item{margin:var(--sp-2) 0;padding:var(--sp-3);border:.0625rem solid var(--teacher-line);border-radius:var(--radius-xs);background:var(--teacher-surface-soft)}html.teacher-app .word-unit-banner{margin-bottom:var(--sp-3);padding:.625rem .875rem;border-radius:var(--radius-xs);background:var(--teacher-brand-tint);color:var(--teacher-ink);font-weight:600}html.teacher-app .word-hint{margin:var(--sp-2) 0;color:var(--teacher-danger);font-size:.75rem;line-height:1.5}html.teacher-app .word-phonetic{display:flex;flex-wrap:wrap;align-items:center;gap:var(--sp-3);margin:var(--sp-2) 0;color:var(--teacher-ink-soft);font-size:.875rem}html.teacher-app .word-phonetic span{display:inline-flex;align-items:center;gap:.375rem}html.teacher-app .word-label-fixed{flex:0 0 auto;min-width:3.25rem;color:var(--teacher-muted);font-size:.8125rem;font-weight:500;white-space:nowrap}html.teacher-app .word-example-row,html.teacher-app .word-ques-row{display:flex;align-items:flex-start;gap:var(--sp-3)}html.teacher-app .word-example-row__body,html.teacher-app .word-ques-row__body{flex:1;min-width:0}html.teacher-app .word-example-row__trans{margin-top:.375rem;color:var(--teacher-muted);font-size:.8125rem}html.teacher-app .sign_color,html.teacher-app .word-accent{color:var(--teacher-brand)!important;font-weight:600}html.teacher-app .word-link{color:var(--teacher-brand);cursor:pointer}html.teacher-app .word-status-ok{color:var(--teacher-success)!important}html.teacher-app .word-status-fail{color:var(--teacher-danger)!important}html.teacher-app .word-drawer-progress{margin:0 0 var(--sp-3);color:var(--teacher-muted);font-size:.8125rem;text-align:right}html.teacher-app .word-drawer-progress strong{color:var(--teacher-brand);font-weight:650}html.teacher-app .word-drawer-footer{display:flex;justify-content:flex-end;gap:var(--sp-3)}html.teacher-app .word-empty-hint{color:var(--teacher-subtle);font-size:.8125rem}html.teacher-app .word-tabs{display:flex;align-items:center;gap:var(--sp-2);margin-bottom:var(--sp-4);flex-wrap:wrap}html.teacher-app .word-tab{display:inline-flex;align-items:center;padding:.5rem .875rem;border-radius:62.4375rem;color:var(--teacher-muted);font-size:.875rem;cursor:pointer;transition:background var(--motion-fast) var(--ease-out),color var(--motion-fast) var(--ease-out)}html.teacher-app .word-tab:hover{color:var(--teacher-brand)}html.teacher-app .word-tab.is-active{background:var(--teacher-brand-soft);color:var(--teacher-brand);font-weight:550}html.teacher-app .word-tabs .float_right{margin-left:auto}html.teacher-app .word-soft-panel{padding:var(--sp-3);border-radius:var(--radius-xs);background:var(--teacher-surface-soft)}html.teacher-app .word-book-dialog .el-dialog__body{padding-top:.75rem}html.teacher-app .word-book-dialog .word-form{max-width:none}html.teacher-app .word-check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.5rem 1.25rem;width:100%}html.teacher-app .word-check-grid .el-checkbox{margin-right:0!important;height:auto;align-items:flex-start;white-space:normal}html.teacher-app .word-check-grid .el-checkbox__label{line-height:1.4;white-space:normal}html.teacher-app .word-radio-inline .el-radio{margin-right:1.5rem}html.teacher-app .word-study-shell{max-width:67.5rem;margin:0 auto;width:100%}html.teacher-app .word-study-summary{display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);padding:.875rem 1rem;background:var(--teacher-surface-soft)}html.teacher-app .word-study-panel,html.teacher-app .word-study-summary{margin-bottom:var(--sp-4);border:.0625rem solid var(--teacher-line);border-radius:var(--radius-sm)}html.teacher-app .word-study-panel{overflow:hidden;background:var(--teacher-surface)}html.teacher-app .word-study-row{display:grid;grid-template-columns:minmax(12.5rem,1fr) minmax(22.5rem,1.2fr);gap:var(--sp-4);align-items:center;padding:.875rem 1rem;border-top:.0625rem solid var(--teacher-line)}html.teacher-app .word-study-row:first-child{border-top:0}html.teacher-app .word-study-row--head{background:var(--teacher-surface-soft);color:var(--teacher-muted);font-size:.8125rem;font-weight:600}html.teacher-app .word-study-row__title{color:var(--teacher-ink);font-size:.875rem}html.teacher-app .word-study-row__hint{margin-left:.375rem;color:var(--teacher-subtle);font-size:.75rem;font-weight:400}html.teacher-app .word-date-range{display:flex;align-items:center;gap:.625rem;min-width:0}html.teacher-app .word-date-range .el-date-editor{flex:1;min-width:0;width:auto!important}html.teacher-app .word-date-sep{flex-shrink:0;color:var(--teacher-muted);font-size:.8125rem}html.teacher-app .word-study-actions{display:flex;justify-content:center;gap:var(--sp-3);margin-top:var(--sp-7)}