:root{--teacher-display-font:"Segoe UI", "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", sans-serif;--teacher-ink:#17211f;--teacher-copy:#737b78;--teacher-primary:#17312d;--teacher-primary-soft:#edf2f0;--teacher-line:#dfe3e1;--teacher-surface:#fff;--teacher-background:#fafafa;color:var(--teacher-ink);background:var(--teacher-surface);font-synthesis:none;text-rendering:optimizelegibility;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif}*{box-sizing:border-box}html,body,#root{min-height:100%;margin:0}body{min-width:0}button,input,select,textarea{font:inherit}a{color:inherit}.ant-alert,.ant-tag{border:0!important}.ant-tag{font-weight:600;color:var(--teacher-primary)!important;background:0 0!important;border-radius:0!important;padding-inline:0!important}.ant-alert-info{color:#33413d;background:#edf2f0}.ant-alert-info .ant-alert-icon{color:#17312d}.ant-alert-warning{color:#6f531d;background:#fff8e9}.ant-alert-error{color:#873632;background:#fff4f3}.ant-alert-success{color:#315e52;background:#edf6f2}.ant-btn-dangerous:not(.ant-btn-primary){border-color:var(--teacher-line)}h1,h2,h3,h4,h5,h6,h1.ant-typography,h2.ant-typography,h3.ant-typography,h4.ant-typography,h5.ant-typography,h6.ant-typography{font-family:var(--teacher-display-font)!important;font-weight:700!important}:focus-visible{outline-offset:2px;outline:3px solid #17312d38}.route-loading{place-items:center;min-height:100vh;display:grid}.teacher-shell{background:var(--teacher-surface);min-height:100vh}.teacher-sidebar{z-index:20;border-right:1px solid var(--teacher-line);inset:0 auto 0 0;background:var(--teacher-surface)!important;position:fixed!important}.teacher-sidebar,.teacher-main-layout{transition:width .2s,margin-left .2s}.teacher-sidebar .ant-layout-sider-children{flex-direction:column;padding:23px 14px 18px;display:flex;overflow-y:auto}.brand-lockup{align-items:center;gap:12px;padding:0 10px 22px;display:flex}.brand-mark-image{object-fit:cover;border-radius:13px;flex:0 0 44px;width:44px;height:44px;display:block;box-shadow:0 7px 18px #17211f26}.brand-title,.brand-subtitle{display:block}.brand-title{color:#17211f;letter-spacing:.04em;font-size:17px;font-weight:750}.brand-subtitle{color:#737b78;letter-spacing:.08em;margin-top:2px;font-size:11px}.teacher-sidebar .ant-menu{border-inline-end:0!important}.teacher-sidebar .ant-menu-item-group-title{letter-spacing:.1em;font-weight:750;color:#82968f!important;padding:14px 12px 6px!important;font-size:10px!important}.teacher-sidebar .ant-menu-item{height:43px;margin-block:3px;margin-inline:0;font-size:13px;font-weight:650;position:relative}.teacher-sidebar .ant-menu-item-selected{color:var(--teacher-primary);box-shadow:none;background:#eaf5f0}.teacher-sidebar .ant-menu-item-selected:before{content:"";background:#4b9b86;border-radius:0 4px 4px 0;width:3px;position:absolute;inset:8px auto 8px 0}.teacher-sidebar.ant-layout-sider-collapsed .ant-layout-sider-children{padding-inline:8px}.teacher-sidebar.ant-layout-sider-collapsed .brand-lockup{justify-content:center;padding-inline:0}.teacher-sidebar.ant-layout-sider-collapsed .ant-menu-item-group-title{display:none}.teacher-sidebar.ant-layout-sider-collapsed .ant-menu-item-group-list{margin:0}.teacher-sidebar.ant-layout-sider-collapsed .ant-menu-item{padding-inline:19px!important}.sidebar-footer{margin-top:auto;padding-top:18px}.sidebar-collapse-button.ant-btn,.sidebar-settings-button.ant-btn{color:#536076;justify-content:flex-start;gap:10px;width:100%;height:40px;padding:0 13px;font-size:12px;font-weight:650;display:flex}.sidebar-collapse-button.ant-btn{color:#7d8796}.sidebar-settings-button.ant-btn{margin-top:4px}.teacher-sidebar.ant-layout-sider-collapsed .sidebar-collapse-button.ant-btn,.teacher-sidebar.ant-layout-sider-collapsed .sidebar-settings-button.ant-btn{justify-content:center;padding:0}.sidebar-settings-button.ant-btn:hover,.sidebar-settings-button.ant-btn.is-selected{color:var(--teacher-primary);background:var(--teacher-primary-soft)}.sidebar-settings-button.ant-btn.is-selected{box-shadow:none}.settings-layout{grid-template-columns:minmax(0,720px);align-items:start;gap:0;display:grid}.settings-column{min-width:0}.settings-column+.settings-column{border-left:1px solid #e7ebf1;padding-left:34px}.settings-column:first-child{padding-right:34px}.settings-section{padding:26px 0}.settings-section h2{color:#26334a;margin:0 0 22px;font-size:20px;font-family:var(--teacher-display-font)!important;font-weight:700!important}.settings-profile{align-items:center;gap:15px;margin-bottom:22px;display:flex}.settings-profile>div>span{display:block}.settings-profile-name{color:#26334a;margin-bottom:5px;font-size:17px}.settings-details{margin:0}.settings-details>div{grid-template-columns:110px 1fr;align-items:center;min-height:42px;display:grid}.settings-details dt{color:#7b8798;font-size:11px}.settings-details dd{color:#344158;margin:0;font-size:12px}.settings-details .ant-tag{margin:0}.settings-privacy-details>div{grid-template-columns:100px 1fr}.settings-option-list{flex-direction:column;display:flex}.settings-option-row{justify-content:space-between;align-items:center;gap:24px;padding:16px 0;display:flex}.settings-option-copy{min-width:0}.settings-option-copy strong,.settings-option-copy span{display:block}.settings-option-copy strong{color:#26334a;font-size:12px}.settings-option-copy span{color:#7d8899;margin-top:4px;font-size:10px;line-height:1.6}.teacher-main-layout{background:#fff;min-width:0;margin-left:240px}.teacher-main-layout.is-sidebar-collapsed{margin-left:72px}.teacher-topbar{z-index:15;background:#fffffff5;border-bottom:1px solid #e1e6ee;justify-content:space-between;align-items:center;height:76px;padding:0 36px;display:flex;position:sticky;top:0}.scope-context{align-items:center;gap:15px;display:flex}.scope-heading{align-items:center;gap:9px;display:flex}.scope-eyebrow{font-size:11px;color:#82928d!important}.scope-tag{font-size:11px;color:#2f7968!important;background:#eff9f4!important;border:1px solid #cce4da!important;border-radius:999px!important;padding:3px 8px!important}.teacher-topbar .ant-select{min-width:235px}.teacher-topbar .ant-select-selection-item{color:#26334a;font-weight:650}.profile-trigger.ant-btn{text-align:left;align-items:center;gap:9px;height:auto;padding:4px 6px;display:flex}.profile-trigger .ant-avatar{color:#fff;background:var(--teacher-primary);font-weight:700}.profile-trigger .ant-space-item{line-height:1.1}.profile-trigger .ant-space-item>span{font-size:11px}.profile-trigger svg{color:#9aa4b3;margin-left:2px;transform:rotate(90deg)}.teacher-content{background:#fff;min-width:0;padding:32px 40px 56px}.page-frame{width:100%;max-width:1360px;margin:0 auto}.table-workspace-page{min-height:calc(100vh - 146px)}.table-workspace-page>.section-block,.table-workspace-page .ant-table-wrapper{min-width:0}.table-workspace-page .ant-pagination{margin-bottom:0}.table-workspace-page .route-loading{min-height:320px}.fixed-workspace-page{flex-direction:column;height:calc(100vh - 146px);min-height:0;display:flex;overflow:hidden}.fixed-workspace-page>.page-heading,.fixed-workspace-page>.summary-strip,.fixed-workspace-page>.filter-card,.fixed-workspace-page>.notice-tabs,.fixed-workspace-page>.message-summary{flex:none}.fixed-workspace-page>.section-block{flex-direction:column;flex:auto;min-height:0;display:flex;overflow:hidden}.fixed-workspace-page .section-block-header{flex:none}.fixed-workspace-page .ant-table-wrapper{flex:auto;min-height:0;overflow:hidden}.fixed-workspace-page .ant-table-body{max-height:calc(100vh - 525px)!important}.students-page>.data-table-card{flex-direction:column;flex:auto;min-height:0;display:flex;overflow:hidden}.students-page>.data-table-card>.ant-card-body{flex:auto;min-height:0;overflow:hidden}.students-page .ant-table-body{max-height:calc(100vh - 390px)!important}.notifications-page>.notice-list-card{flex:auto;min-height:0;overflow:hidden}.notifications-page>.notice-list-card>.ant-card-body{height:100%;min-height:0;overflow:hidden}.notifications-page .notice-list{height:100%;max-height:none}.page-heading{justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:22px;display:flex}.page-kicker{color:var(--teacher-primary);letter-spacing:.15em;margin-bottom:7px;font-family:Arial,sans-serif;font-size:10px;font-weight:800;display:block}.page-heading h1.ant-typography{color:#18212f;letter-spacing:-.025em;margin:0;font-size:30px;line-height:1.2}.page-heading p.ant-typography{color:#697589;margin:7px 0 0;font-size:13px}.page-heading-copy>p.ant-typography,.section-block-header p,.section-heading p,.section-title-row p{display:none}.surface-card.ant-card{box-shadow:none;background:0 0;border:0;border-radius:0}.surface-card.ant-card>.ant-card-head{border-bottom-color:#e7ebf1;padding-inline:0}.surface-card.ant-card>.ant-card-body{padding-inline:0}.summary-strip{grid-template-columns:repeat(4,minmax(0,1fr));gap:12px;margin-bottom:26px;display:grid}.summary-item{min-width:0;color:inherit;font:inherit;text-align:left;background:#f6f8f7;border:0;border-radius:12px;padding:18px 20px;position:relative}.summary-item span,.summary-item strong,.summary-item small{display:block}.summary-item span{color:#7d8899;font-size:11px}.summary-item strong{color:#1f2b40;margin-top:7px;font-size:25px;line-height:1}.summary-item small{color:#939dac;margin-top:6px;font-size:10px}.summary-item.is-action{cursor:pointer;transition:background .18s}.summary-item.is-action:hover{background:#f7f9fc}.section-block{padding:22px 0}.section-block-header{justify-content:space-between;align-items:flex-end;gap:18px;margin-bottom:16px;display:flex}.section-block-header h2{color:#26334a;margin:0;font-size:20px}.section-block-header p{color:#7d8899;margin:5px 0 0;font-size:11px}.student-cell-button.ant-btn{text-align:left;align-items:center;gap:10px;height:auto;padding:0;display:flex}.student-cell-button>span:last-child{flex-direction:column;align-items:flex-start;display:flex}.student-cell-button small{color:#8e99aa;margin-top:3px;font-size:9px}.student-cell-button .ant-avatar{border-radius:10px}.student-cell-button .ant-typography-strong,.student-name-button .ant-typography-strong,.anomaly-title-row strong{font-family:var(--teacher-display-font);font-weight:400}.sessions-page .ant-table-thead>tr>th{padding:13px 12px}.sessions-page .ant-table-tbody>tr>td{padding:12px}.sessions-page .assessment-time{white-space:nowrap;font-variant-numeric:tabular-nums;font-size:12px}.inline-actions{align-items:center;gap:8px;display:flex}.table-progress{min-width:120px}.message-summary{grid-template-columns:repeat(4,1fr);gap:12px;margin-bottom:24px;display:grid}.message-summary button{color:#526078;font:inherit;cursor:pointer;background:#f6f8f7;border:0;border-radius:12px;align-items:baseline;gap:10px;padding:18px 20px;display:flex}.message-summary button:hover{background:#edf2f0}.message-summary strong{color:var(--teacher-primary);font-size:23px}.message-summary span{font-size:11px}.safety-case-row{grid-template-columns:190px minmax(0,1fr) 110px auto;align-items:center;gap:20px;padding:18px 0;display:grid}.safety-case-row>div:nth-child(2){flex-direction:column;align-items:flex-start;gap:7px;display:flex}.filter-card{box-shadow:none;background:0 0;border:0;border-radius:0;margin-bottom:0}.filter-card>.ant-card-body{justify-content:space-between;align-items:center;gap:16px;padding:14px 0 18px;display:flex}.filter-card .ant-space{flex-wrap:wrap}.filter-card .ant-input-affix-wrapper{width:230px}.filter-card .ant-select{min-width:150px}.filter-card>.ant-card-body>span{white-space:nowrap;font-size:11px}.data-table-card{box-shadow:none;background:0 0;border:0;border-radius:0;overflow:hidden}.data-table-card>.ant-card-body{padding:0}.data-table-card .ant-card-head{border-bottom:0;min-height:64px;padding:0}.data-table-card .ant-card-head-title{padding:22px 0 14px;font-size:18px}.data-table-card .ant-table-cell{font-size:12px}.data-table-card .ant-table-thead .ant-table-cell{color:#667286;font-size:11px;font-weight:700}.data-table-card .ant-table-thead>tr>th{background:#f3f5f4}.student-name-button.ant-btn{text-align:left;align-items:center;gap:10px;height:auto;padding:0;display:flex}.student-name-button .ant-avatar{color:var(--teacher-primary);background:var(--teacher-primary-soft);border-radius:9px;font-weight:750}.student-name-button>span:last-child{flex-direction:column;align-items:flex-start;display:flex}.student-name-button>span:last-child>span{font-size:12px}.student-name-button>span:last-child>span:last-child{margin-top:3px;font-size:10px}.student-overview-page>.ant-breadcrumb,.report-page>.ant-breadcrumb{margin-bottom:20px}.ant-breadcrumb .ant-btn-link{height:auto;padding:0;font-size:12px}.student-overview-header{background:0 0;border:0;border-bottom:1px solid #e6eaf0;padding:4px 0 24px}.student-overview-header .ant-avatar{color:var(--teacher-primary);background:var(--teacher-primary-soft);font-size:20px;font-weight:750}.student-overview-header h1.ant-typography{margin:0;font-size:27px}.student-overview-header p.ant-typography{color:#6d7889;margin:5px 0 0;font-size:12px}.student-alert{margin-top:14px}.student-overview-grid{grid-template-columns:minmax(0,1.45fr) minmax(340px,.75fr);align-items:stretch;gap:28px;margin-top:8px;display:grid}.overview-card,.assessment-card,.assessment-history-card,.official-result-card,.original-video-card{box-shadow:none;background:0 0;border:0;border-radius:0}.overview-card>.ant-card-head,.assessment-card>.ant-card-head{border-bottom:0;min-height:64px}.overview-card>.ant-card-head,.overview-card>.ant-card-body{padding-left:0}.assessment-card{border-left:0}.assessment-card>.ant-card-head,.assessment-card>.ant-card-body{padding-right:0}.overview-card .ant-card-head-title,.assessment-card .ant-card-head-title,.assessment-history-card .ant-card-head-title{font-size:18px}.overview-card .ant-descriptions-item-label{color:#667286;width:130px}.assessment-summary{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;display:grid}.assessment-summary>div{background:#f6f8f7;border:0;border-radius:10px;padding:14px 16px}.assessment-card .ant-descriptions{margin-bottom:18px}.assessment-history-card{margin-top:24px}.assessment-history-card>.ant-card-head{border-bottom:0;min-height:64px;padding:0}.assessment-history-card>.ant-card-body{padding:0}.assessment-history-card .ant-table-cell{font-size:12px}.assessment-history-card .ant-table-thead .ant-table-cell{color:#667286;font-size:11px;font-weight:700}.assessment-history-card .ant-table-thead>tr>th{background:#f3f5f4}.report-heading{margin-top:2px}.report-heading .ant-space h1.ant-typography{margin:0}.official-result-alert{margin-bottom:16px}.report-layout{grid-template-columns:minmax(360px,.72fr) minmax(0,1.28fr);align-items:stretch;gap:28px;display:grid}.official-result-card>.ant-card-head,.original-video-card>.ant-card-head{border-bottom:0;min-height:64px}.official-result-card>.ant-card-head,.official-result-card>.ant-card-body{padding-left:0}.original-video-card{border-left:0}.original-video-card>.ant-card-head,.original-video-card>.ant-card-body{padding-right:0}.official-result-card .ant-card-head-title,.original-video-card .ant-card-head-title{font-size:18px}.official-statistics{grid-template-columns:repeat(3,1fr);gap:10px;margin-bottom:20px;display:grid}.official-statistics>div{background:#f6f8f7;border:0;border-radius:10px;min-width:0;padding:14px}.official-statistics .ant-statistic-content{font-size:25px}.official-statistics .ant-statistic-content-suffix{font-size:12px}.original-video-card video{object-fit:contain;background:#17211f;border-radius:8px;width:100%;height:390px;display:block}.original-video-card .ant-descriptions{margin-top:18px}.original-video-card p.ant-typography{margin:14px 0 0;font-size:11px;line-height:1.7}.login-page{background:var(--teacher-surface);grid-template-columns:48% 52%;min-height:100vh;display:grid}.login-intro{color:#fff;background:#17211f;flex-direction:column;min-height:100vh;padding:44px 64px;display:flex}.login-brand{align-items:center;gap:11px;display:flex}.login-brand .brand-mark-image{border:0;border-radius:15px;flex-basis:48px;width:48px;height:48px;box-shadow:0 10px 26px #00000038}.login-brand strong,.login-brand span{display:block}.login-brand strong{color:#fff;letter-spacing:.08em;font-size:18px;font-weight:750}.login-brand span{color:#a7b2ae;margin-top:2px;font-size:11px}.login-intro-copy{margin:auto 0}.login-visual{aspect-ratio:1;place-items:center;width:min(340px,58%);margin:auto;display:grid}.login-visual img{object-fit:cover;border-radius:28%;width:100%;height:100%;display:block;box-shadow:0 24px 70px #0000003d}.login-intro-copy>span{color:#b6d2ca;letter-spacing:.18em;font-size:11px;font-weight:700}.login-intro-copy h1.ant-typography{color:#fff;letter-spacing:-.045em;max-width:620px;margin:20px 0;font-size:48px;line-height:1.22}.login-intro-copy p.ant-typography{color:#a7b2ae;max-width:520px;margin:0;font-size:14px;line-height:1.9}.login-scope-card{color:#d0d9d6;background:#ffffff12;width:100%}.login-scope-card .ant-typography{color:inherit;font-size:11px}.login-scope-card .ant-typography strong{color:#fff}.login-panel{place-items:center;padding:52px;display:grid}.login-form-wrap{width:390px}.login-form-wrap h2.ant-typography{letter-spacing:-.03em;margin:8px 0 5px;font-size:30px}.login-form-wrap>p.ant-typography{color:#788497;margin:0 0 24px}.login-form-wrap .ant-alert{margin-bottom:18px}.login-form-wrap .ant-form-item-label label{color:#465267;font-size:12px;font-weight:650}.login-form-wrap .ant-form-item:has(.ant-checkbox-wrapper){margin-top:-4px;margin-bottom:18px}.login-footnote.ant-typography{color:#929baa;text-align:center;margin:18px 0 0;font-size:10px}.notice-tabs{margin-bottom:16px}.notice-list{overscroll-behavior:contain;scrollbar-gutter:stable;flex-direction:column;max-height:min(560px,100vh - 330px);padding-right:7px;display:flex;overflow-y:auto}.notice-list::-webkit-scrollbar{width:8px;height:8px}.ant-table-body::-webkit-scrollbar{width:8px;height:8px}.notice-list::-webkit-scrollbar-track{background:#f2f5f8;border-radius:8px}.ant-table-body::-webkit-scrollbar-track{background:#f2f5f8;border-radius:8px}.notice-list::-webkit-scrollbar-thumb{background:#c5ceda;border-radius:8px}.ant-table-body::-webkit-scrollbar-thumb{background:#c5ceda;border-radius:8px}.ant-table-body{overscroll-behavior:contain;scrollbar-gutter:stable}.notice-row{border-bottom:1px solid #edf0f4;grid-template-columns:40px minmax(0,1fr) auto;align-items:center;gap:14px;padding:18px 0;display:grid}.notice-row:last-child{border-bottom:0}.notice-marker{width:36px;height:36px;color:var(--teacher-primary);background:var(--teacher-primary-soft);border-radius:10px;place-items:center;display:grid}.notice-marker.is-danger{color:#d74f44;background:#fff0ed}.notice-marker.is-warning{color:#d98926;background:#fff6e7}.notice-marker.is-green{color:#398c63;background:#edf8f2}.notice-copy{min-width:0}.notice-copy p.ant-typography{color:#697589;margin:6px 0 0;font-size:11px}.result-record-list{flex-direction:column;display:flex}.result-record-row{border-bottom:1px solid #edf0f4;justify-content:space-between;align-items:center;gap:18px;padding:14px 0;display:flex}.result-record-row:last-child{border-bottom:0}.result-record-row>div{flex-direction:column;gap:5px;display:flex}@media (width<=900px){.teacher-sidebar{flex:0 0 72px!important;width:72px!important;min-width:72px!important;max-width:72px!important}.teacher-sidebar .brand-lockup{justify-content:center;padding-inline:0}.teacher-sidebar .brand-lockup>div,.teacher-sidebar .ant-menu-item-group-title,.teacher-sidebar .ant-menu-title-content{display:none}.teacher-sidebar .ant-menu-item{padding-inline:19px!important}.teacher-sidebar .sidebar-collapse-button.ant-btn,.teacher-sidebar .sidebar-settings-button.ant-btn{justify-content:center;padding:0;font-size:0}.teacher-main-layout,.teacher-main-layout.is-sidebar-collapsed{margin-left:72px}.teacher-topbar{padding-inline:18px}.scope-eyebrow,.scope-tag{display:none}.scope-context{gap:0}.teacher-topbar .ant-select{min-width:180px}.teacher-content{padding-inline:22px}}@media (prefers-reduced-motion:reduce){*,:before,:after{scroll-behavior:auto!important;transition-duration:.01ms!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}