:root{--student-navy: #30345c;--student-navy-deep: #242746;--student-purple: #5b5bd6;--student-purple-strong: #4949bd;--student-purple-soft: #e8e9ff;--student-mint: #82ddbd;--student-mint-soft: #e4f8f0;--student-canvas: #f5f6fb;--student-surface: #ffffff;--student-text: #20243a;--student-muted: #62687c;--student-line: #dfe1ec;--student-focus: #f2a900;--student-radius-lg: 20px;--student-radius-md: 14px;--student-shadow: 0 16px 38px rgba(48, 52, 92, .09)}.student-main-content{flex-direction:column}html.theme-light:not(.high-contrast) body,html.theme-light:not(.high-contrast) #root,html.theme-light:not(.high-contrast) .student-app-shell{background:var(--student-canvas)!important;color:var(--student-text)!important}html.theme-light:not(.high-contrast) .student-app-shell{overflow:clip!important}html.theme-light:not(.high-contrast) .student-main-content{background:radial-gradient(circle at 92% 2%,rgba(91,91,214,.08),transparent 25rem),var(--student-canvas)!important}html.theme-light:not(.high-contrast) .student-top-nav{position:sticky!important;top:0;z-index:50;width:100%!important;margin:0!important;padding:.7rem clamp(1rem,4vw,4.25rem)!important;color:#fff!important;background:var(--student-navy)!important;border:0!important;border-radius:0!important;box-shadow:0 8px 28px #24274629!important}html.theme-light:not(.high-contrast) .student-brand-button{display:inline-flex!important;align-items:center!important;gap:0!important;min-height:3rem!important;padding:.2rem!important;color:#fff!important;background:transparent!important;border:2px solid transparent!important;border-radius:12px!important;font-size:1.05rem!important}.student-brand-logo-horizontal{display:block;width:8.75rem;height:2.62rem;object-fit:contain;flex:0 0 auto;background:#fff;border-radius:9px}.student-brand-fallback{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}html.high-contrast .student-brand-logo-horizontal,html.high-contrast .student-login-brand>img,html.high-contrast .student-priority-card:after{display:none!important}html.high-contrast .student-brand-fallback{position:static;width:auto;height:auto;overflow:visible;clip:auto;white-space:normal}html.theme-light:not(.high-contrast) .student-top-nav nav button{min-height:2.75rem!important;padding:.55rem .78rem!important;color:#eceeff!important;background:transparent!important;border:0!important;border-radius:10px!important;font-size:.92rem!important}html.theme-light:not(.high-contrast) .student-top-nav nav button[aria-current=page]{color:#fff!important;background:var(--student-purple)!important;box-shadow:inset 0 0 0 1px #ffffff3d!important}html.theme-light:not(.high-contrast) .student-top-nav nav button:hover{color:#fff!important;background:#ffffff1a!important}html.theme-light:not(.high-contrast) .student-top-nav>button[aria-haspopup=menu]{color:#fff!important;background:var(--student-purple)!important;border-color:#aaf!important}html.theme-light:not(.high-contrast) .student-top-nav [aria-label=快捷显示设置] button{min-height:2.4rem!important;color:#fff!important;background:#ffffff14!important;border:1px solid rgba(255,255,255,.35)!important;border-radius:9px!important}html.theme-light:not(.high-contrast) .student-top-nav [aria-label=快捷显示设置] button[aria-checked=true]{color:#123b31!important;background:var(--student-mint)!important;border-color:#bdf5e1!important}html.theme-light:not(.high-contrast) .student-top-nav button[aria-haspopup=menu][aria-label^=打开个人菜单]{min-height:2.8rem!important;color:#fff!important;background:#444978!important;border:1px solid #7378aa!important;border-radius:999px!important}html.theme-light:not(.high-contrast) .student-top-nav [role=menu]{background:#fff!important;border:1px solid var(--student-line)!important;border-radius:14px!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-top-nav [role=menu] button{color:var(--student-navy)!important;background:#f7f7fc!important;border:1px solid #e4e5ef!important}.student-notification-button{position:relative;display:inline-flex;width:2.8rem;height:2.8rem;flex:0 0 auto;align-items:center;justify-content:center;padding:0;color:#fff;background:#444978;border:1px solid #7378aa;border-radius:999px;cursor:pointer}.student-notification-button[aria-current=page]{background:var(--student-purple);box-shadow:inset 0 0 0 2px #fff}.student-notification-icon{width:1.35rem;height:1.35rem;fill:none;stroke:currentColor;stroke-width:2;stroke-linecap:round;stroke-linejoin:round}.student-notification-badge{position:absolute;top:-.35rem;right:-.35rem;min-width:1.35rem;height:1.35rem;padding:0 .25rem;display:inline-flex;align-items:center;justify-content:center;color:#fff;background:#d92d3f;border:2px solid var(--student-navy);border-radius:999px;font-size:.72rem;font-weight:900;line-height:1}.student-section-actions{display:flex;flex-wrap:wrap;align-items:center;justify-content:flex-end;gap:.65rem}html.theme-light:not(.high-contrast) .student-home-page,html.theme-light:not(.high-contrast) .student-catalog-page,html.theme-light:not(.high-contrast) .student-typing-course-page,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=my-cohorts-title],html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-title],html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-session-title],html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-resource-title]{width:min(100%,1240px)!important;max-width:1240px!important;margin:0 auto!important;padding:clamp(1.1rem,3vw,2.5rem)!important;text-align:left!important}.student-home-heading{margin-bottom:1.25rem;text-align:left}.student-page-kicker,.student-priority-kicker{margin:0 0 .35rem;color:#397764;font-size:.8rem;font-weight:850;letter-spacing:.08em}html.theme-light:not(.high-contrast) .student-home-heading h1{margin:0!important;color:var(--student-text)!important;font-size:clamp(2rem,4vw,3.45rem)!important;line-height:1.08!important;letter-spacing:-.04em}.student-page-intro{max-width:44rem;margin:.55rem 0 0;color:var(--student-muted);font-size:1rem;line-height:1.65}.student-login-page{min-height:calc(100vh - 1px);max-width:none!important;display:grid!important;place-items:center;padding:clamp(1rem,4vw,3rem)!important}.student-login-layout{width:min(100%,64rem);display:grid;grid-template-columns:minmax(19rem,.86fr) minmax(26rem,1.14fr);margin:auto;overflow:hidden;border-radius:28px;box-shadow:0 28px 70px #23264e29;text-align:left}.student-login-brand{min-width:0;display:flex;flex-direction:column;align-items:flex-start;justify-content:center;gap:1.5rem;margin:0;padding:clamp(2rem,4.5vw,3.75rem);text-align:left}.student-login-brand>img{width:clamp(7rem,12vw,9rem);height:clamp(7rem,12vw,9rem);object-fit:contain;border-radius:24px;box-shadow:0 18px 38px #11143433}.student-login-brand .student-page-kicker,.student-login-brand .student-page-intro{color:#fff}.student-login-brand .student-page-kicker{opacity:.78}.student-login-benefits{display:grid;gap:.85rem;margin:0;padding:0;list-style:none;color:#fff;font-size:.98rem;line-height:1.5}.student-login-benefits li{position:relative;padding-left:1.65rem}.student-login-benefits li:before{content:"✓";position:absolute;left:0;top:0;color:#87e5cc;font-weight:900}.student-login-form-column{min-width:0;display:flex;flex-direction:column;justify-content:center;padding:clamp(1.5rem,4vw,3rem)}.student-login-panel-intro,.student-login-support-note,.student-login-account-note{text-align:center}.student-login-support-note{margin:1rem 0 0;color:var(--student-muted);font-size:.88rem;line-height:1.45}.student-auth-mode-tabs{display:grid!important;grid-template-columns:repeat(3,minmax(0,1fr));gap:.35rem!important;margin:1.35rem 0 1.5rem!important;padding:.3rem;border-radius:12px}.student-auth-mode-tabs>button{min-width:0!important;min-height:2.75rem!important;padding:.5rem .35rem!important;border-width:2px!important;font-size:.9rem!important}.student-login-form{display:flex;flex-direction:column;gap:1rem}.student-login-form label,.student-password-reset-fields label{display:flex;flex-direction:column;gap:.4rem;font-weight:750}.student-login-form input,.student-password-reset-fields input{width:100%;min-height:3.2rem;box-sizing:border-box;padding:.7rem .8rem;border:2px solid #b6b9ca;border-radius:11px;font:inherit}.student-login-code-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:.65rem;align-items:end}.student-login-code-button{min-width:7.4rem;min-height:3.2rem!important}.student-login-submit{width:100%;min-height:3.25rem!important;margin-top:.25rem;font-size:1.05rem!important}.student-password-reset{margin-top:1rem;padding-top:1rem;border-top:1px solid #d9dbea}.student-password-reset-toggle{display:block;margin:0 auto;padding:.35rem .5rem;background:transparent;border:0;color:#3348b6;font-weight:750;text-decoration:underline;cursor:pointer}.student-password-reset-fields{display:grid;gap:.8rem;margin-top:1rem}.student-password-reset-actions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.65rem}.student-password-reset-actions button{min-height:2.85rem}.student-login-accessibility{display:flex;align-items:center;gap:.7rem;margin-top:1rem;padding-top:1rem;border-top:1px solid #d9dbea}.student-login-accessibility>button{flex:0 0 auto}.student-login-accessibility>p,.student-login-account-note{margin:0!important;font-size:.85rem!important}.student-onboarding-card{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1rem;align-items:center}html.theme-light:not(.high-contrast) .student-onboarding-card{max-width:none!important;margin:0 0 1.35rem!important;padding:1rem 1.15rem!important;background:#fff!important;border:1px solid var(--student-line)!important;border-left:4px solid var(--student-mint)!important;border-radius:var(--student-radius-md)!important;box-shadow:0 8px 22px #30345c0f!important}.student-onboarding-copy{display:flex;gap:.9rem;align-items:flex-start;min-width:0}.student-onboarding-mark{width:2.7rem;height:2.7rem;flex:0 0 auto;display:grid;place-items:center;color:#fff;background:var(--student-purple);border-radius:50%;font-size:1.2rem;font-weight:900}.student-onboarding-card h2{margin:.15rem 0 .3rem!important;text-align:left!important}.student-onboarding-card p:last-child{margin-bottom:0!important}.student-onboarding-actions{flex-wrap:nowrap!important}html.theme-light:not(.high-contrast) .student-login-page{background:radial-gradient(circle at 10% 10%,rgba(83,209,186,.13),transparent 26rem),radial-gradient(circle at 88% 85%,rgba(91,91,214,.15),transparent 29rem),#f4f6fc!important}html.theme-light:not(.high-contrast) .student-login-layout{background:#fff;border:1px solid #dfe1ef}html.theme-light:not(.high-contrast) .student-login-brand{background:linear-gradient(150deg,#292f61,#393b7d 58%,#5553ca)}html.theme-light:not(.high-contrast) .student-login-brand h1{margin:0!important;color:#fff!important;font-size:clamp(2rem,3.2vw,2.65rem)!important;line-height:1.1;letter-spacing:-.035em}html.theme-light:not(.high-contrast) .student-account-panel{max-width:780px!important;margin:0 auto!important;padding:clamp(1.15rem,3vw,1.8rem)!important;background:#fffffff5!important;border:1px solid var(--student-line)!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-account-panel-menu{max-width:none!important;margin:0!important;padding:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important}html.theme-light:not(.high-contrast) .student-account-panel h2{color:var(--student-navy)!important;font-size:1.35rem!important}html.theme-light:not(.high-contrast) .student-account-panel-menu h2{margin-bottom:.45rem!important;font-size:clamp(1.65rem,3vw,2rem)!important}html.theme-light:not(.high-contrast) .student-auth-mode-tabs{background:#f0f1f8}html.theme-light:not(.high-contrast) .student-login-account-note{color:#687087!important}html.theme-dark #app-container .student-login-brand{background:linear-gradient(150deg,#151b3d,#26275f)!important}html.theme-dark #app-container .student-auth-mode-tabs button[aria-pressed=true]{color:#fff!important;background:#0f766e!important;border-color:#5eead4!important}html.theme-dark #app-container .student-login-submit{color:#fff!important;background:#4f46e5!important;border-color:#a5b4fc!important}html.high-contrast #app-container .student-auth-mode-tabs button[aria-pressed=true]{color:#000!important;background:#ff0!important;border-color:#fff!important}html.theme-light:not(.high-contrast) .student-account-panel input{min-height:3.15rem!important;border-color:#b6b9ca!important;border-radius:11px!important}html.theme-light:not(.high-contrast) .student-home-dashboard{max-width:none!important;margin:0 0 1rem!important;padding:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important}html.theme-light:not(.high-contrast) .student-home-dashboard>div:first-child{padding:0!important;border:0!important}html.theme-light:not(.high-contrast) .student-home-dashboard h2{color:var(--student-navy)!important;font-size:1rem!important}.student-priority-grid{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(230px,.65fr);gap:1rem;margin-bottom:1.25rem}.student-priority-card{position:relative;overflow:hidden;min-height:18.5rem;padding:clamp(1.5rem,4vw,3rem);color:#fff;background:var(--student-navy);border-radius:var(--student-radius-lg);box-shadow:var(--student-shadow)}.student-priority-card:after{content:"";position:absolute;width:17rem;height:17rem;right:-5rem;top:-6.5rem;background:var(--student-purple);border-radius:50%}.student-priority-card>*{position:relative;z-index:1}.student-priority-card .student-priority-kicker{color:var(--student-mint)}.student-priority-card h2{max-width:47rem;margin:.45rem 0 .75rem;color:#fff;font-size:clamp(1.6rem,3.5vw,2.75rem);line-height:1.18}.student-priority-card p:not(.student-priority-kicker){max-width:42rem;margin:0 0 1.65rem;color:#dfe1f3;line-height:1.65}html.theme-light:not(.high-contrast) .student-priority-action{color:#fff!important;background:var(--student-purple)!important;border-color:#aaf!important;border-radius:11px!important;box-shadow:0 5px 0 var(--student-purple-strong)!important}.student-learning-summary{display:flex;min-height:18.5rem;flex-direction:column;align-items:flex-start;justify-content:center;padding:1.5rem;background:var(--student-surface);border:1px solid var(--student-line);border-radius:var(--student-radius-lg);box-shadow:var(--student-shadow)}.student-learning-summary span,.student-learning-summary p{margin:0;color:var(--student-muted);font-size:.9rem}.student-learning-summary strong{margin:.25rem 0;color:var(--student-purple);font-size:3rem;line-height:1}.student-learning-summary strong small{font-size:1rem}.student-summary-divider{width:100%;height:1px;margin:1.2rem 0;background:var(--student-line)}html.theme-light:not(.high-contrast) .student-course-section{max-width:none!important;margin:0 0 1.25rem!important;padding:0!important;background:transparent!important;border:0!important;border-radius:0!important;box-shadow:none!important}html.theme-light:not(.high-contrast) .student-course-section h2{color:var(--student-text)!important;font-size:1.35rem!important}html.theme-light:not(.high-contrast) .student-my-course-grid{grid-template-columns:repeat(3,minmax(0,1fr))!important;gap:1rem!important}.student-my-course-card{min-width:0;min-height:10.5rem;display:flex;flex-direction:column;align-items:stretch;justify-content:space-between;gap:1rem;padding:1.1rem;background:linear-gradient(145deg,#eff0ff 0 30%,#fff 30%);border:1px solid #d9dbee;border-radius:var(--student-radius-md);box-shadow:0 10px 26px #30345c12}.student-my-course-card h3,.student-my-course-card h2{margin:.35rem 0 0}.student-my-course-card>div:first-child{min-width:0!important;flex:0 1 auto!important}.student-course-next-step{margin-top:.45rem;color:var(--student-text);font-size:.9rem;font-weight:700;line-height:1.45}.student-course-progress{display:grid;grid-template-columns:auto minmax(4rem,1fr) auto;align-items:center;gap:.5rem;margin-top:.5rem;color:var(--student-muted);font-size:.82rem}.student-course-progress progress{width:100%;min-width:0;accent-color:var(--student-purple)}.student-my-course-grid-full{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1rem}.student-course-overview-strip{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.8rem;margin:1rem 0}.student-course-overview-strip>div{display:flex;align-items:baseline;gap:.55rem;padding:1rem 1.15rem;background:#fff;border:1px solid var(--student-line);border-radius:var(--student-radius-md)}.student-course-overview-strip strong{color:var(--student-purple);font-size:1.8rem}.student-notification-count-card{display:flex;align-items:center;justify-content:space-between;gap:1rem;padding:.85rem 1rem;background:#fff;border:1px solid var(--student-line);border-left:5px solid var(--student-mint);border-radius:var(--student-radius-md)}.student-notification-count-card>div{display:flex;align-items:baseline;gap:.35rem}.student-notification-count-card strong{color:var(--student-purple);font-size:1.7rem}.student-notification-count-card p{margin:0;color:var(--student-muted)}.student-notifications-page{max-width:1120px!important}.student-notifications-hero{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:1.25rem;align-items:center;padding:clamp(1.35rem,3vw,2rem);color:#fff;background:linear-gradient(135deg,var(--student-navy),#494b91);border-radius:var(--student-radius-lg);box-shadow:var(--student-shadow)}.student-notifications-hero-copy .student-page-kicker{color:#7be0c3}html.theme-light:not(.high-contrast) #app-container .student-notifications-page .student-notifications-hero h1,.student-notifications-page .student-notifications-hero h1{margin:.2rem 0 .5rem;color:#fff!important;font-size:clamp(2rem,4vw,3rem);line-height:1.05}.student-notifications-hero-copy>p:last-child{max-width:36rem;margin:0;color:#f0f1ff;line-height:1.55}.student-notifications-overview{display:grid;grid-template-columns:repeat(2,minmax(7rem,1fr));gap:.65rem}.student-notifications-overview>div{min-width:7rem;display:flex;flex-direction:column;gap:.15rem;padding:.85rem 1rem;color:var(--student-navy);background:#fff;border-radius:12px}.student-notifications-overview strong{color:var(--student-purple);font-size:1.8rem;line-height:1}.student-notifications-overview span{font-size:.8rem;font-weight:750}.student-notifications-status{width:100%;margin:.85rem 0 0}.student-notifications-toolbar{display:flex;align-items:center;justify-content:space-between;gap:1rem;margin:1rem 0;padding:.55rem;background:#ebeefa;border:1px solid #d9dcef;border-radius:13px}.student-notification-filters{display:flex;gap:.4rem}.student-notification-filters button,.student-notification-read-all,.student-notification-primary-action,.student-notification-secondary-action,.student-notifications-empty button,.student-notifications-load-more button{min-height:2.75rem;padding:.5rem .8rem;border-radius:9px;font:inherit;font-weight:850}.student-notification-filters button{color:var(--student-navy);background:transparent;border:2px solid transparent}.student-notification-filters button[aria-pressed=true]{color:#fff;background:var(--student-purple);border-color:#8f92ee}.student-notification-filters button span{display:inline-grid;min-width:1.55rem;height:1.55rem;place-items:center;margin-left:.25rem;padding:0 .35rem;color:inherit;background:#ffffff2e;border-radius:999px;font-size:.75rem}.student-notification-read-all,.student-notification-secondary-action,.student-notifications-empty button,.student-notifications-load-more button{color:var(--student-navy);background:#fff;border:2px solid #aeb2e7}.student-notification-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem;margin:0 0 1rem;padding:0;list-style:none}.student-notification-list>li{min-width:0}.student-notification-item{min-height:13rem;height:100%;display:flex;flex-direction:column;align-items:stretch;gap:.75rem;padding:1.15rem;background:#fff;border:1px solid var(--student-line);border-top:5px solid #cfd3e4;border-radius:var(--student-radius-md);box-shadow:0 8px 24px #30345c0f}.student-notification-item-unread{border-top-color:var(--student-purple);background:linear-gradient(150deg,#fff,#f7f7ff)}.student-notification-item-heading{display:flex;align-items:center;justify-content:space-between;gap:.65rem}.student-notification-kind,.student-notification-state{display:inline-flex;width:fit-content;padding:.25rem .5rem;border-radius:999px;font-size:.75rem;font-weight:850}.student-notification-kind{color:#225649;background:var(--student-mint-soft)}.student-notification-state{color:var(--student-muted);background:#eff0f6}.student-notification-item-unread .student-notification-state{color:#453ead;background:#e9e9ff}.student-notification-copy{flex:1 1 auto}.student-notification-item h2{margin:0 0 .45rem;color:var(--student-navy);font-size:1.2rem}.student-notification-item p,.student-notification-item time{margin:0;color:var(--student-muted);line-height:1.55}.student-notification-item time{display:block;margin-top:.65rem;font-size:.8rem}.student-notification-actions{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.5rem;padding-top:.75rem;border-top:1px solid var(--student-line)}.student-notification-primary-action{color:#fff;background:var(--student-purple);border:2px solid #898bec}.student-notifications-empty{min-height:15rem;display:grid;place-items:center;align-content:center;gap:.5rem;padding:2rem;text-align:center;background:#fff;border:1px dashed #b7bbd1;border-radius:var(--student-radius-md)}.student-notifications-empty>span{width:3rem;height:3rem;display:grid;place-items:center;color:#fff;background:var(--student-mint);border-radius:50%;font-size:1.5rem;font-weight:900}.student-notifications-empty h2,.student-notifications-empty p{margin:0}.student-notifications-empty h2{color:var(--student-navy)}.student-notifications-empty p{color:var(--student-muted)}.student-notifications-load-more{display:flex;justify-content:center;margin-top:1rem}html.theme-dark #app-container .student-notifications-toolbar,html.theme-dark #app-container .student-notification-item,html.theme-dark #app-container .student-notifications-empty,html.theme-dark #app-container .student-notification-read-all,html.theme-dark #app-container .student-notification-secondary-action,html.theme-dark #app-container .student-notifications-empty button,html.theme-dark #app-container .student-notifications-load-more button{color:#fff;background:#22243d;border-color:#676b9d}html.theme-dark #app-container .student-notification-item h2,html.theme-dark #app-container .student-notifications-empty h2{color:#fff}html.theme-dark #app-container .student-notification-item p,html.theme-dark #app-container .student-notification-item time,html.theme-dark #app-container .student-notifications-empty p{color:#d9daed}html.high-contrast #app-container .student-notifications-hero,html.high-contrast #app-container .student-notifications-overview>div,html.high-contrast #app-container .student-notifications-toolbar,html.high-contrast #app-container .student-notification-item,html.high-contrast #app-container .student-notifications-empty,html.high-contrast #app-container .student-notification-filters button,html.high-contrast #app-container .student-notification-read-all,html.high-contrast #app-container .student-notification-primary-action,html.high-contrast #app-container .student-notification-secondary-action,html.high-contrast #app-container .student-notifications-empty button,html.high-contrast #app-container .student-notifications-load-more button{color:ButtonText!important;background:ButtonFace!important;border:2px solid ButtonText!important;box-shadow:none!important}html.high-contrast #app-container .student-notification-filters button[aria-pressed=true]{color:HighlightText!important;background:Highlight!important}html.high-contrast #app-container .student-notifications-page .student-notifications-hero h1,html.high-contrast #app-container .student-notifications-hero p,html.high-contrast #app-container .student-notifications-overview strong,html.high-contrast #app-container .student-notification-kind,html.high-contrast #app-container .student-notification-state{color:ButtonText!important;background:ButtonFace!important}.student-cohort-live-status,.student-page-status{width:min(calc(100% - 2rem),1240px);margin:.85rem auto 0;padding:.75rem 1rem;color:#173f35;background:var(--student-mint-soft);border:1px solid #70c9aa;border-radius:10px;font-weight:750}.student-dialog-backdrop{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:grid;place-items:center;padding:1rem;background:#14162a9e}.student-course-join-dialog{width:min(100%,48rem);max-height:calc(100vh - 2rem);overflow-y:auto;padding:clamp(1.2rem,3vw,2rem);color:var(--student-text);background:var(--student-surface);border:1px solid var(--student-line);border-radius:var(--student-radius-lg);box-shadow:0 28px 80px #14162a47}.student-dialog-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem}.student-dialog-heading h2{margin:.15rem 0 .45rem;color:var(--student-navy);font-size:clamp(1.65rem,4vw,2.3rem)}.student-dialog-heading p:last-child{margin:0;color:var(--student-muted)}.student-dialog-close{min-height:2.6rem;padding:.45rem .8rem;color:var(--student-navy);background:#f6f6fb;border:1px solid var(--student-line);border-radius:9px}.student-course-join-options{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.25rem}.student-course-join-option{position:relative;display:flex;min-width:0;flex-direction:column;align-items:stretch;gap:.65rem;padding:1.15rem;background:#f8f8ff;border:1px solid #dfe1f7;border-radius:14px}.student-course-join-option h3,.student-course-join-option p{margin:0}.student-course-join-option p,.student-course-join-option small{color:var(--student-muted);line-height:1.5}.student-course-join-option button{margin-top:auto}.student-course-join-option-number{display:inline-flex;width:2rem;height:2rem;align-items:center;justify-content:center;color:#fff;background:var(--student-purple);border-radius:999px;font-weight:900}.student-course-invite-form label{font-weight:800}.student-course-invite-form input{width:100%;min-height:3rem;padding:.65rem .75rem;color:var(--student-text);background:#fff;border:2px solid #aaaee8;border-radius:9px;font:inherit;font-size:1.1rem;font-weight:800;letter-spacing:.12em;text-transform:uppercase}.student-dialog-message{min-height:1.5rem;margin:1rem 0 0;color:var(--student-muted);font-weight:750}.student-dialog-message-error{color:#a1192c}html.theme-dark .student-course-join-dialog,html.theme-dark .student-course-join-option{color:#f7f7ff;background:#22243d;border-color:#676b9d}html.theme-dark .student-dialog-heading h2,html.theme-dark .student-course-join-option p,html.theme-dark .student-course-join-option small,html.theme-dark .student-dialog-message{color:#f7f7ff}html.theme-dark .student-course-invite-form input{color:#fff;background:#16182d;border-color:#aaf}html.high-contrast .student-dialog-backdrop{background:Canvas}html.high-contrast .student-course-join-dialog,html.high-contrast .student-course-join-option,html.high-contrast .student-course-invite-form input,html.high-contrast .student-notification-button{color:ButtonText;background:ButtonFace;border:2px solid ButtonText}html.high-contrast .student-notification-badge{color:HighlightText;background:Highlight;border-color:ButtonText}.student-media-completion-hint{padding:.65rem .75rem;color:#274c41;background:var(--student-mint-soft);border-radius:8px}.student-all-course-section .student-course-card{min-height:13rem!important}html.theme-light:not(.high-contrast) .student-my-course-grid>div,html.theme-light:not(.high-contrast) .student-my-course-section>div[style]:not([class]):not(:first-child),html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=my-cohorts-title] article,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=my-cohorts-title]>div:last-child>div{min-height:12rem!important;align-items:flex-start!important;align-content:flex-start!important;justify-content:space-between!important;flex-direction:column!important;padding:1.15rem!important;color:var(--student-text)!important;background:linear-gradient(145deg,#eff0ff 0 34%,#fff 34%)!important;border:1px solid #d9dbee!important;border-radius:var(--student-radius-md)!important;box-shadow:0 10px 26px #30345c12!important}html.theme-light:not(.high-contrast) .student-my-course-grid>div>div:first-child{padding-top:2.8rem}html.theme-light:not(.high-contrast) .student-my-course-section>div[style]:not([class]):not(:first-child){min-height:5rem!important;flex-direction:row!important;align-items:center!important;padding:1rem 1.15rem!important;background:#fff!important;border-left:5px solid var(--student-mint)!important}html.theme-light:not(.high-contrast) .student-course-card{color:var(--student-text)!important;background:#fff!important;border:1px solid #d9dbee!important;border-radius:var(--student-radius-md)!important;box-shadow:0 10px 26px #30345c12!important}html.theme-light:not(.high-contrast) .student-course-card:hover{border-color:#9699e8!important;box-shadow:0 14px 32px #30345c1f!important}html.theme-light:not(.high-contrast) .student-course-card-enrolled{border-color:#9799df!important;box-shadow:inset 0 0 0 2px #e3e4ff,0 10px 26px #30345c14!important}html.theme-light:not(.high-contrast) .student-course-card img{background:#eef0ff!important;border-color:#d7d9eb!important;border-radius:11px!important}html.theme-light:not(.high-contrast) .student-course-card strong{color:var(--student-navy)!important}html.theme-light:not(.high-contrast) .student-course-card span[style*=background-color]{border-radius:999px!important}html.theme-light:not(.high-contrast) .student-catalog-page h1,html.theme-light:not(.high-contrast) .student-catalog-page h2[data-page-heading],html.theme-light:not(.high-contrast) .student-typing-course-page h1,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=my-cohorts-title]>h2,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-title] h2,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-session-title]>h2,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-resource-title]>h2{color:var(--student-text)!important;font-size:clamp(1.8rem,4vw,2.8rem)!important;line-height:1.18!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-standard-course-hero{padding:clamp(1.25rem,3vw,2rem)!important;background:linear-gradient(135deg,var(--student-navy),#454a84)!important;border:0!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-standard-course-hero h1,html.theme-light:not(.high-contrast) .student-standard-course-hero p{color:#fff!important}html.theme-light:not(.high-contrast) .student-standard-course-layout,html.theme-light:not(.high-contrast) #main-content div:has(>nav[aria-label=小班课课次与资源列表]){gap:1rem!important}html.theme-light:not(.high-contrast) .student-standard-course nav,html.theme-light:not(.high-contrast) nav[aria-label=小班课课次与资源列表]{padding:.75rem!important;background:#fff!important;border:1px solid var(--student-line)!important;border-radius:var(--student-radius-md)!important;box-shadow:0 10px 26px #30345c12!important}html.theme-light:not(.high-contrast) .student-standard-course nav button,html.theme-light:not(.high-contrast) nav[aria-label=小班课课次与资源列表] button{min-height:3rem!important;border-radius:9px!important}html.theme-light:not(.high-contrast) .student-standard-course nav button[aria-current=page],html.theme-light:not(.high-contrast) nav[aria-label=小班课课次与资源列表] button[aria-current=page]{background:var(--student-purple-soft)!important;border-color:var(--student-purple)!important;box-shadow:inset 4px 0 0 var(--student-purple)!important}html.theme-light:not(.high-contrast) .student-standard-course section[aria-labelledby=standard-module-title],html.theme-light:not(.high-contrast) #main-content div[aria-label^=当前小班课内容],html.theme-light:not(.high-contrast) #main-content div[aria-label^=资源详细内容],html.theme-light:not(.high-contrast) #main-content div[aria-label^=课次详细内容]{border-radius:var(--student-radius-md)!important}html.theme-light:not(.high-contrast) #main-content div:has(>div>#cohort-title){grid-template-columns:1fr!important;padding:clamp(1.25rem,3vw,2rem)!important;color:#fff!important;background:linear-gradient(135deg,var(--student-navy),#444978)!important;border:0!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) #main-content div:has(>div>#cohort-title)>div{max-width:48rem}html.theme-light:not(.high-contrast) #main-content div:has(>div>#cohort-title) #cohort-title,html.theme-light:not(.high-contrast) #main-content div:has(>div>#cohort-title) p{color:#fff!important}html.theme-light:not(.high-contrast) #main-content [aria-labelledby=cohort-learning-welcome],html.theme-light:not(.high-contrast) #main-content [aria-labelledby=cohort-resource-title],html.theme-light:not(.high-contrast) #main-content [aria-labelledby=cohort-session-title]{background:#fff!important;border-color:var(--student-line)!important;border-radius:var(--student-radius-md)!important;box-shadow:0 10px 26px #30345c12!important}html.theme-light:not(.high-contrast) #main-content [style*="background-color: rgb(234, 246, 251)"]{background:var(--student-purple-soft)!important}.student-standard-course-topbar,.student-typing-course-topbar{display:flex;align-items:center;justify-content:space-between;gap:.75rem;margin-bottom:1rem}.student-standard-course-hero{grid-template-columns:minmax(0,1fr) minmax(240px,300px)!important;margin-bottom:1rem}.student-standard-course-hero:has(>img){grid-template-columns:minmax(180px,240px) minmax(0,1fr) minmax(240px,300px)!important}.student-standard-course-progress,.student-typing-course-progress{display:flex;min-width:0;flex-direction:column;align-items:flex-start;justify-content:center;gap:.5rem;padding:1rem 1.1rem;color:var(--student-text);background:#fff;border:1px solid rgba(223,225,236,.9);border-radius:14px}.student-standard-course-progress>span,.student-typing-course-progress>span{color:var(--student-muted);font-size:.86rem;font-weight:750}.student-standard-course-progress>strong,.student-typing-course-progress>strong{color:var(--student-purple);font-size:2rem;line-height:1}.student-standard-course-progress progress,.student-typing-course-progress progress{width:100%;height:.65rem;overflow:hidden;accent-color:var(--student-purple);border-radius:999px}.student-standard-course-progress>p,.student-typing-course-progress>p{margin:0!important;color:var(--student-muted)!important;font-size:.86rem}.student-standard-course-progress button,.student-typing-course-progress button{width:100%;white-space:normal!important}.student-catalog-overview{max-width:1120px;margin-inline:auto}.student-catalog-filter{display:flex;max-width:1120px;flex-wrap:wrap;justify-content:flex-start;gap:.55rem;margin:0 auto .65rem}.student-catalog-result{max-width:1120px;margin:0 auto .65rem;color:var(--student-muted)}.student-catalog-empty{display:flex;min-height:10rem;flex-direction:column;align-items:center;justify-content:center;gap:.4rem;padding:1.5rem;color:var(--student-muted);background:#fff;border:1px dashed var(--student-line);border-radius:var(--student-radius-md)}.student-typing-course-hero{display:grid;grid-template-columns:minmax(0,1fr) minmax(250px,320px);align-items:stretch;gap:1rem;margin-bottom:1rem;padding:clamp(1.2rem,3vw,2rem);color:#fff;background:linear-gradient(135deg,var(--student-navy),#454a84);border-radius:var(--student-radius-lg);box-shadow:var(--student-shadow)}html.theme-light:not(.high-contrast) .student-typing-course-hero h1{color:#fff!important;font-size:clamp(1.8rem,4vw,2.8rem)!important}.student-typing-course-hero>div>p:last-child{max-width:42rem;margin:.75rem 0 0;color:#e9eaff;line-height:1.65}.student-lesson-group>h3{border-radius:0 9px 9px 0}html.theme-light:not(.high-contrast) .student-lesson-card{border-color:var(--student-line)!important;border-radius:12px!important;box-shadow:0 8px 20px #30345c0f!important}html.theme-light:not(.high-contrast) .student-lesson-card:hover{border-color:var(--student-purple)!important;transform:translateY(-1px)}html.theme-light:not(.high-contrast) #app-container button{min-height:2.75rem}.student-opening-course-topbar{justify-content:space-between!important;margin-bottom:1rem!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-hero=true]{grid-template-columns:minmax(160px,210px) minmax(0,1fr) minmax(240px,290px)!important;padding:clamp(1.1rem,2.5vw,1.7rem)!important;color:#fff!important;background:linear-gradient(135deg,var(--student-navy),#454a84)!important;border:0!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-hero=true] h1,html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-hero=true] p{color:#fff!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-title=true]{margin:.3rem 0 .65rem!important;font-size:clamp(1.7rem,3vw,2.55rem)!important;line-height:1.16!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-stats=true]{display:flex!important;min-width:0!important;flex-direction:column!important;align-items:stretch!important;gap:.45rem!important;padding:1rem!important;color:var(--student-text)!important;background:#fff!important;border-radius:14px!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-stats=true]>span{color:var(--student-muted)!important;font-size:.86rem!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-stats=true]>strong{color:var(--student-purple)!important;font-size:2rem!important;line-height:1!important}.student-opening-course-page [data-c01-course-stats=true] progress{width:100%;height:.65rem;accent-color:var(--student-purple)}.student-opening-course-layout{grid-template-columns:minmax(270px,320px) minmax(0,1fr)!important}html.theme-light:not(.high-contrast) .student-opening-course-sidebar,html.theme-light:not(.high-contrast) .student-opening-course-main{border:1px solid var(--student-line)!important;border-radius:var(--student-radius-md)!important;box-shadow:0 10px 26px #30345c12!important}.student-opening-course-main{min-height:0!important}html.theme-light:not(.high-contrast) .student-opening-module-hero{background:var(--student-purple-soft)!important;border:1px solid #c8cafa!important;border-radius:12px!important}html.theme-light:not(.high-contrast) .student-opening-course-sidebar button[aria-current=step]{color:#fff!important;background:var(--student-purple)!important;border-color:#aaf!important;box-shadow:inset 4px 0 #fff!important}html.theme-light:not(.high-contrast) .student-opening-course-sidebar button[aria-current=step] *{color:#fff!important}html.theme-light:not(.high-contrast) .student-opening-round{background:#fff!important;border:1px solid var(--student-line)!important;border-radius:12px!important}html.theme-light:not(.high-contrast) .student-opening-round-steps>div{border-color:var(--student-line)!important;border-radius:10px!important;box-shadow:none!important}html.theme-light:not(.high-contrast) .student-opening-first-step{background:var(--student-mint-soft)!important;border-color:#56b997!important;border-radius:12px!important}.student-typing-lesson-view{width:100%}html.theme-light:not(.high-contrast) .student-typing-lesson-view>div{max-width:1240px!important;padding:clamp(1rem,3vw,2rem)!important}html.theme-light:not(.high-contrast) .student-typing-lesson-view button{border-radius:10px!important}html.theme-light:not(.high-contrast) .student-typing-lesson-hero{display:grid!important;grid-template-columns:minmax(0,1fr) minmax(250px,310px)!important;gap:1rem!important;padding:clamp(1.25rem,3vw,2rem)!important;color:#fff!important;background:linear-gradient(135deg,var(--student-navy),#454a84)!important;border:0!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-typing-lesson-copy h1,html.theme-light:not(.high-contrast) .student-typing-lesson-copy p{color:#fff!important}.student-typing-lesson-progress{display:flex;flex-direction:column;align-items:stretch;justify-content:center;gap:.45rem;padding:1rem;color:var(--student-text);background:#fff;border-radius:14px}.student-typing-lesson-progress>span,.student-typing-lesson-progress>p{margin:0;color:var(--student-muted);font-size:.86rem}.student-typing-lesson-progress>strong{color:var(--student-purple);font-size:2rem;line-height:1}.student-typing-lesson-progress progress{width:100%;height:.65rem;accent-color:var(--student-purple)}html.theme-light:not(.high-contrast) .student-typing-lesson-progress button{width:100%;color:#fff!important;background:var(--student-purple)!important;border-color:#aaf!important}html.theme-light:not(.high-contrast) .student-typing-lesson-status{grid-column:1 / -1;margin-top:0!important;color:#153b31!important;background:var(--student-mint-soft)!important;border:1px solid #65c9a7!important;border-radius:10px!important}html.theme-light:not(.high-contrast) .student-typing-module-card{min-height:9rem!important;border:1px solid var(--student-line)!important;border-radius:12px!important;box-shadow:0 8px 22px #30345c12!important}html.theme-light:not(.high-contrast) .student-typing-module-card:not(:disabled):hover{border-color:var(--student-purple)!important;transform:translateY(-1px)}@media (max-width: 900px){html.theme-light:not(.high-contrast) .student-top-nav{padding-inline:.75rem!important}.student-priority-grid{grid-template-columns:1fr}.student-learning-summary{min-height:auto;display:grid;grid-template-columns:auto auto 1fr auto auto;align-items:center;gap:.6rem}.student-learning-summary strong{font-size:2rem}.student-summary-divider{width:1px;height:2.5rem;margin:0 .6rem}html.theme-light:not(.high-contrast) .student-my-course-grid{grid-template-columns:repeat(2,minmax(0,1fr))!important}.student-my-course-grid-full{grid-template-columns:repeat(2,minmax(0,1fr))}.student-standard-course-hero,.student-standard-course-hero:has(>img),.student-typing-course-hero{grid-template-columns:1fr!important}html.theme-light:not(.high-contrast) .student-opening-course-page [data-c01-course-hero=true],html.theme-light:not(.high-contrast) .student-typing-lesson-hero,.student-opening-course-layout{grid-template-columns:1fr!important}}@media (max-width: 480px){.student-brand-logo-horizontal{width:7.25rem;height:2.25rem}.student-login-page{padding:.65rem!important}.student-login-layout{border-radius:18px}.student-login-brand,.student-login-form-column{padding:1.1rem}.student-login-code-row{grid-template-columns:1fr}.student-login-code-button{width:100%}.student-login-accessibility{align-items:stretch;flex-direction:column}.student-login-accessibility>button{width:100%}}@media (max-width: 820px){.student-login-layout{max-width:36rem;grid-template-columns:1fr}.student-login-brand{display:grid;grid-template-columns:auto minmax(0,1fr);gap:1rem 1.25rem;padding:clamp(1.1rem,4vw,1.5rem)}.student-login-brand>img{width:6rem;height:6rem;border-radius:18px}.student-login-benefits{grid-column:1 / -1;grid-template-columns:repeat(3,minmax(0,1fr));font-size:.82rem}html.high-contrast .student-login-brand{grid-template-columns:1fr}}@media (max-width: 640px){html.theme-light:not(.high-contrast) .student-home-page,html.theme-light:not(.high-contrast) .student-catalog-page,html.theme-light:not(.high-contrast) .student-typing-course-page,html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=my-cohorts-title],html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-title],html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-session-title],html.theme-light:not(.high-contrast) #main-content>section[aria-labelledby=cohort-resource-title]{padding:1rem!important}.student-login-brand{grid-template-columns:1fr;justify-items:center;text-align:center}.student-login-brand>img{width:5.5rem;height:5.5rem}.student-login-brand .student-page-intro{margin-right:auto;margin-left:auto}.student-login-benefits{width:fit-content;grid-column:auto;grid-template-columns:1fr;gap:.35rem;text-align:left}.student-priority-card{min-height:17rem;padding:1.4rem}.student-priority-card:after{width:12rem;height:12rem}.student-learning-summary{grid-template-columns:1fr 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.student-personal-summary{color:#fff;background:linear-gradient(135deg,var(--student-navy),#454a84);border:0;border-radius:var(--student-radius-lg);box-shadow:var(--student-shadow)}html.theme-light:not(.high-contrast) .student-personal-summary h1,html.theme-light:not(.high-contrast) .student-personal-summary p{color:#fff}html.theme-light:not(.high-contrast) .student-personal-navigation{background:#eceefa;border:1px solid #d8daee}html.theme-light:not(.high-contrast) .student-personal-navigation-item{color:var(--student-navy);background:transparent;border:2px solid transparent;border-radius:12px}html.theme-light:not(.high-contrast) .student-personal-navigation-item span{color:var(--student-muted)}html.theme-light:not(.high-contrast) .student-personal-navigation-item.is-current{color:var(--student-purple);background:#fff;border-color:#afb2ea;box-shadow:0 6px 18px #2f33681a}html.theme-light:not(.high-contrast) .student-personal-navigation-item.is-current:after{background:var(--student-purple)}html.theme-light:not(.high-contrast) .student-personal-content-heading{background:#fff;border:1px solid var(--student-line);border-left:5px solid var(--student-mint);border-radius:12px}html.theme-light:not(.high-contrast) .student-personal-content-heading h2{color:var(--student-navy)}html.theme-light:not(.high-contrast) .student-personal-content-heading>p:last-child{color:var(--student-muted)}html.theme-dark #app-container .student-personal-navigation-item[aria-current=page]{color:#fff!important;background:#3730a3!important;border-color:#a5b4fc!important}html.high-contrast #app-container .student-personal-navigation-item[aria-current=page]{color:#000!important;background:#ff0!important;border-color:#fff!important}.student-settings-page{display:flex!important;flex-direction:column}.student-settings-page .student-settings-grid{order:1;margin-bottom:1rem}.student-settings-page .student-settings-management{order:2}html.theme-light:not(.high-contrast) .student-profile-hero,html.theme-light:not(.high-contrast) .student-support-hero{color:#fff!important;background:linear-gradient(135deg,var(--student-navy),#454a84)!important;border:0!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-profile-hero{display:grid!important;grid-template-columns:auto minmax(0,1fr)!important;align-items:center!important;gap:1.25rem!important;padding:clamp(1.25rem,3vw,2rem)!important;margin-bottom:1.25rem!important}html.theme-light:not(.high-contrast) .student-profile-hero h1,html.theme-light:not(.high-contrast) .student-profile-hero p,html.theme-light:not(.high-contrast) .student-support-hero h1,html.theme-light:not(.high-contrast) .student-support-hero p{color:#fff!important}.student-profile-hero-actions{display:flex;flex-wrap:wrap;gap:.65rem;margin-top:1rem}.student-profile-hero-actions button{width:auto!important}html.theme-light:not(.high-contrast) .student-profile-quick-card{min-height:8rem!important;border:1px solid var(--student-line)!important;border-radius:12px!important;box-shadow:0 8px 22px #30345c12!important}.student-account-center{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:1rem;margin-top:1.25rem}.student-account-section{min-width:0;margin:0;padding:clamp(1.1rem,2.5vw,1.45rem);background:var(--student-surface);border:1px solid var(--student-line);border-radius:16px}.student-account-profile,.student-account-preferences,.student-account-logins,.student-account-loading,.student-account-danger,.student-account-message{grid-column:1 / -1}.student-account-message{margin:0;padding:.85rem 1rem;color:#185c50;background:var(--student-mint-soft);border:1px solid #70c9aa;border-left:5px solid var(--student-mint);border-radius:10px;font-weight:750}.student-account-loading .student-account-message{margin-bottom:1rem}.student-account-section-heading{display:flex;align-items:flex-start;justify-content:space-between;gap:1rem;margin-bottom:1rem;padding-bottom:.85rem;border-bottom:1px solid var(--student-line)}.student-account-section-heading p,.student-account-section-heading h2{margin:0}.student-account-section-heading p{margin-bottom:.2rem;color:#087f6d;font-size:.8rem;font-weight:850;letter-spacing:.06em}.student-account-section-heading h2{color:var(--student-navy);font-size:1.3rem}.student-account-section-heading>span{max-width:16rem;padding:.35rem .55rem;color:var(--student-muted);background:#f3f4fc;border-radius:8px;font-size:.82rem;line-height:1.4;text-align:right}.student-account-profile-layout{display:grid;grid-template-columns:minmax(16rem,1.2fr) minmax(13rem,1fr) minmax(14rem,1fr);gap:1rem;align-items:center}.student-account-avatar-editor{display:flex;min-width:0;align-items:center;gap:.85rem}.student-account-avatar-editor p{margin:.45rem 0 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.9rem;color:var(--student-muted);line-height:1.55}.student-account-actions{display:flex;justify-content:flex-end;margin-top:1rem}.student-account-primary-button,.student-account-secondary-button,.student-account-danger-button{min-height:2.8rem;padding:.55rem .9rem;border-radius:9px;font:inherit;font-weight:850}.student-account-primary-button{color:#fff;background:var(--student-purple);border:2px solid #898bec}.student-account-secondary-button{color:var(--student-navy);background:#fff;border:2px solid #aeb2e7}.student-account-primary-button:disabled,.student-account-secondary-button:disabled,.student-account-danger-button:disabled{cursor:not-allowed;opacity:.55}.student-account-table-wrap{overflow-x:auto}.student-account-logins table{width:100%;border-collapse:collapse}.student-account-logins th,.student-account-logins td{padding:.8rem;border-bottom:1px solid var(--student-line);text-align:left}.student-account-logins th{color:var(--student-muted);background:#f7f8fc;font-size:.82rem}.student-account-definition-list{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:.75rem;margin:0 0 1rem}.student-account-definition-list>div{padding:.75rem;background:#f7f8fc;border-radius:9px}.student-account-definition-list dt{color:var(--student-muted);font-size:.8rem}.student-account-definition-list dd{margin:.25rem 0 0;color:var(--student-navy);font-weight:800}html.theme-light:not(.high-contrast) .student-account-danger{background:#fff8f8!important;border-color:#f2b8bd!important}.student-account-danger{padding:0;overflow:hidden}.student-account-danger summary{display:flex;min-height:4.5rem;align-items:center;justify-content:space-between;gap:1rem;padding:1rem 1.25rem;color:#8f1f2d;cursor:pointer;list-style:none}.student-account-danger summary::-webkit-details-marker{display:none}.student-account-danger summary span:first-child{display:flex;flex-direction:column;gap:.2rem}.student-account-danger summary small{color:var(--student-muted);font-weight:500}.student-account-danger[open] summary{border-bottom:1px solid #f2b8bd}.student-account-danger[open] summary>span:last-child{transform:rotate(180deg)}.student-account-danger-content{padding:1.1rem 1.25rem 1.25rem}.student-account-danger-content>p{margin-top:0;line-height:1.6}.student-account-danger-button{color:#fff;background:#a7192b;border:2px solid #a7192b}html.theme-light:not(.high-contrast) .student-account-section{box-shadow:0 8px 22px #30345c0f}html.theme-dark #app-container .student-account-section,html.theme-dark #app-container .student-account-field input,html.theme-dark #app-container .student-account-field select,html.theme-dark #app-container .student-account-field textarea,html.theme-dark #app-container .student-account-secondary-button,html.theme-dark #app-container .student-avatar-upload,html.theme-dark #app-container .student-account-section-heading>span,html.theme-dark #app-container .student-account-definition-list>div,html.theme-dark #app-container .student-account-logins th{color:#f7f7ff;background:#22243d;border-color:#676b9d}html.theme-dark #app-container .student-account-section-heading h2,html.theme-dark #app-container .student-account-field,html.theme-dark #app-container .student-avatar-colors legend,html.theme-dark #app-container .student-account-definition-list dd{color:#fff}html.theme-dark #app-container .student-account-section-heading p{color:#71e0c4}html.high-contrast #app-container .student-account-section,html.high-contrast #app-container .student-account-field input,html.high-contrast #app-container .student-account-field select,html.high-contrast #app-container .student-account-field textarea,html.high-contrast #app-container .student-account-primary-button,html.high-contrast #app-container .student-account-secondary-button,html.high-contrast #app-container .student-avatar-upload,html.high-contrast #app-container .student-account-message,html.high-contrast #app-container .student-account-danger-button{color:ButtonText!important;background:ButtonFace!important;border:2px solid ButtonText!important;box-shadow:none!important}html.theme-light:not(.high-contrast) .student-support-hero{padding:clamp(1.25rem,3vw,2rem)!important;margin-bottom:1.1rem!important}.student-support-hero h1{margin:.25rem 0 .55rem!important;text-align:left!important}.student-support-hero>p:last-child{max-width:46rem;margin:0;line-height:1.6}html.theme-light:not(.high-contrast) .student-report-overview,html.theme-light:not(.high-contrast) .student-report-detail,html.theme-light:not(.high-contrast) .student-environment-panel,html.theme-light:not(.high-contrast) .student-settings-management{color:var(--student-text)!important;background:#fff!important;border:1px solid var(--student-line)!important;border-radius:var(--student-radius-md)!important;box-shadow:0 10px 28px #30345c12!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-report-overview h2,html.theme-light:not(.high-contrast) .student-report-detail h2,html.theme-light:not(.high-contrast) .student-environment-panel h2,html.theme-light:not(.high-contrast) .student-settings-management h2{color:var(--student-navy)!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-report-metrics>div{background:var(--student-purple-soft)!important;border-color:#c9cbfb!important;border-radius:12px!important}html.theme-light:not(.high-contrast) .student-report-overview>button,html.theme-light:not(.high-contrast) .student-report-detail>button{display:inline-flex!important;width:auto!important;margin:.85rem .55rem 0 0!important}html.theme-light:not(.high-contrast) .student-report-empty{color:#6d5311!important;background:#fff8dd!important;border:1px solid #e2c55b!important}html.theme-light:not(.high-contrast) .student-settings-management p{color:var(--student-muted)!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-settings-management #active-session-management-status{color:#6d5311!important;background:#fff8dd!important;border:1px solid #e2c55b!important}html.theme-light:not(.high-contrast) .student-settings-management button:not(:last-child){color:var(--student-purple)!important;background:#fff!important;border-color:#bfc2ef!important}.student-settings-grid{display:grid!important;grid-template-columns:repeat(2,minmax(0,1fr));gap:.85rem!important}html.theme-light:not(.high-contrast) .student-settings-grid>button{min-height:6rem!important;padding:1rem 1.15rem!important;color:var(--student-navy)!important;background:#fff!important;border:1px solid var(--student-line)!important;border-radius:12px!important;box-shadow:0 8px 22px #30345c0f!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-settings-grid>button[role=switch][aria-checked=true]{background:var(--student-mint-soft)!important;border-color:#68c8a8!important}html.theme-light:not(.high-contrast) .student-environment-panel>p{color:var(--student-muted)!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-audio-check [role=listitem]{color:var(--student-navy)!important;background:var(--student-purple-soft)!important;border:1px solid #c9cbfb!important}html.theme-light:not(.high-contrast) .student-keyboard-check [role=status]{color:#6d5311!important;background:#fff8dd!important;border:1px solid #e2c55b!important;text-align:left!important}html.theme-light:not(.high-contrast) .student-keyboard-check [role=listitem]{color:#6f2930!important;background:#fff1f2!important;border:1px solid #efb3b9!important}html.theme-light:not(.high-contrast) .student-keyboard-check [role=listitem]:last-child{color:#6d5311!important;background:#fff8dd!important;border-color:#e2c55b!important}.student-typing-active-header{display:grid;grid-template-columns:minmax(0,1fr) minmax(220px,280px);gap:1rem;align-items:center;padding:clamp(1.15rem,3vw,1.75rem);border-radius:var(--student-radius-lg)}.student-typing-active-page{display:grid;gap:.9rem}.student-typing-active-page>*{min-width:0}.student-typing-compact-header{grid-template-columns:minmax(0,1fr) minmax(190px,240px)}html.theme-light:not(.high-contrast) .student-typing-active-header{color:#fff;background:linear-gradient(135deg,var(--student-navy),#454a84);box-shadow:var(--student-shadow)}html.theme-light:not(.high-contrast) .student-typing-active-header h1,html.theme-light:not(.high-contrast) .student-typing-active-header p{color:#fff!important}.student-typing-active-header h1{margin:.2rem 0 .45rem!important}.student-typing-active-progress{display:flex;flex-direction:column;gap:.45rem;padding:1rem;border-radius:14px}html.theme-light:not(.high-contrast) .student-typing-active-progress{color:var(--student-text);background:#fff}.student-typing-active-progress strong{color:var(--student-purple);font-size:1.55rem}.student-typing-active-progress progress{width:100%;height:.65rem;accent-color:var(--student-purple)}html.theme-light:not(.high-contrast) .student-typing-step-status,html.theme-light:not(.high-contrast) .student-typing-active-message{justify-content:flex-start!important;padding:.75rem 1rem!important;color:#153b31!important;background:var(--student-mint-soft)!important;border:1px solid #65c9a7!important;border-radius:10px!important}html.theme-light:not(.high-contrast) .student-typing-audio-progress,html.theme-light:not(.high-contrast) .student-typing-focus-panel{background:#fff!important;border-color:var(--student-line)!important;border-radius:12px!important;box-shadow:0 8px 22px #30345c0d!important}html.theme-light:not(.high-contrast) .student-typing-focus-panel p{color:var(--student-text)!important}html.theme-light:not(.high-contrast) .student-typing-focus-panel>p:first-child{color:var(--student-mint-strong)!important}.student-typing-current-target{font-size:clamp(2.6rem,8vw,4.75rem)!important}html.theme-light:not(.high-contrast) .student-typing-empty-panel{padding:clamp(1.5rem,4vw,2.5rem)!important;color:var(--student-text)!important;background:#fff!important;border:1px dashed #aeb1c5!important;border-radius:var(--student-radius-md)!important}html.theme-light:not(.high-contrast) .student-typing-empty-panel p{color:var(--student-muted)!important}.student-typing-result-header{grid-template-columns:1fr}.student-typing-result-card{display:grid;grid-template-columns:minmax(180px,.7fr) minmax(260px,1.3fr);gap:1.25rem;align-items:center;padding:clamp(1.35rem,4vw,2.25rem)!important}html.theme-light:not(.high-contrast) .student-typing-result-card{color:var(--student-text)!important;background:#fff!important;border:1px solid var(--student-line)!important;border-top:5px solid var(--student-purple)!important;border-radius:var(--student-radius-lg)!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-typing-result-card.is-passed{border-top-color:var(--student-mint)!important}.student-typing-result-score{margin:0!important;color:var(--student-purple)!important;font-size:clamp(4rem,10vw,7rem)!important;line-height:1!important}.student-typing-result-score span{font-size:.45em}html.theme-light:not(.high-contrast) .student-typing-result-card p{color:var(--student-text)!important}.student-typing-result-metrics{display:grid;grid-column:2;grid-template-columns:repeat(2,minmax(0,1fr));gap:.75rem;margin:0}.student-typing-result-metrics>div{padding:.9rem;background:var(--student-purple-soft);border-radius:12px}.student-typing-result-metrics dt{color:var(--student-muted);font-size:.85rem}.student-typing-result-metrics dd{margin:.25rem 0 0;color:var(--student-navy);font-size:1.65rem;font-weight:900}.student-typing-result-metrics small{font-size:.72rem}.student-typing-result-actions{justify-content:flex-start!important}.student-typing-mistake-list{grid-template-columns:repeat(2,minmax(0,1fr))}html.theme-light:not(.high-contrast) .student-typing-mistake-list>div{background:#fff!important;border-color:var(--student-line)!important;border-radius:12px!important;box-shadow:0 7px 18px #30345c0d}.student-typing-game-stats{display:grid!important;grid-template-columns:repeat(4,minmax(0,1fr));gap:.75rem!important;margin:0!important}.student-keyboard-game-page{display:grid;gap:1rem}.student-keyboard-game-hero{padding:clamp(1.2rem,3vw,1.8rem)!important;border-radius:var(--student-radius-lg)!important}html.theme-light:not(.high-contrast) .student-keyboard-game-hero{color:#fff!important;background:linear-gradient(135deg,var(--student-navy),#454a84)!important;border:0!important;box-shadow:var(--student-shadow)!important}html.theme-light:not(.high-contrast) .student-keyboard-game-hero h1,html.theme-light:not(.high-contrast) .student-keyboard-game-hero p{color:#fff!important}.student-keyboard-game-hero h1{font-size:clamp(2.25rem,5vw,3.6rem)!important}.student-keyboard-game-hero-stats{min-width:13rem!important;grid-template-columns:repeat(2,minmax(0,1fr))!important;gap:.35rem 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.student-keyboard-game-level{min-height:0!important;padding:.8rem!important;background:#fff!important;border:1px solid var(--student-line)!important;border-radius:11px!important}html.theme-light:not(.high-contrast) .student-keyboard-game-level.is-selected{background:var(--student-purple-soft)!important;border:2px solid var(--student-purple)!important;box-shadow:inset 4px 0 0 var(--student-mint)}html.theme-light:not(.high-contrast) .student-keyboard-game-level.is-locked{color:#687081!important;background:#f4f5f8!important;border-color:#d9dbe4!important;opacity:.82}.student-keyboard-game-current-header{align-items:center!important;padding-bottom:1rem!important}.student-keyboard-game-target{min-height:15rem!important;margin:1rem 0!important;padding:clamp(1.25rem,4vw,2rem)!important;border-radius:var(--student-radius-md)!important}html.theme-light:not(.high-contrast) .student-keyboard-game-target{background:linear-gradient(145deg,#f7f6ff,#effbf7)!important;border:1px solid #c9cbfb!important}.student-keyboard-game-target progress{width:min(28rem,90%);height:.65rem;accent-color:var(--student-purple)}.student-keyboard-game-target-key{min-width:7.2rem!important;min-height:7.2rem!important;color:#fff!important;background:var(--student-purple)!important;border:0!important;border-radius:22px!important;box-shadow:0 10px 24px #5a57d83d}.student-keyboard-game-metrics{grid-template-columns:repeat(4,minmax(0,1fr))!important}html.theme-light:not(.high-contrast) .student-keyboard-game-metrics>div{background:#fff!important;border:1px solid var(--student-line)!important;border-radius:11px!important}.student-keyboard-game-keys{padding:.25rem 0 .75rem}html.theme-light:not(.high-contrast) .student-keyboard-game-audio{background:#f8f8fc!important;border:1px solid var(--student-line)!important;border-radius:12px!important}html.theme-light:not(.high-contrast) .student-typing-game-stats span{padding:.8rem;color:var(--student-navy);background:#fff;border:1px solid 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