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#FFF0F0;--tone-brown: #8D6E63;--tone-brown-bg: #F5EDE8;--tone-gray: #64748B;--tone-gray-bg: #F1F5F9;--bg-soft: #F0F4FF}uni-page-body,:root{--fs-display: 1.5rem;--fs-xl: 1.25rem;--fs-h1: 1.125rem;--fs-h2: 1rem;--fs-lg: .9375rem;--fs-base: .875rem;--fs-sm: .8125rem;--fs-xs: .75rem;--lh-tight: 1.35;--lh-base: 1.6;--lh-loose: 1.75}body{--fs-display: 1.5rem;--fs-xl: 1.25rem;--fs-h1: 1.125rem;--fs-h2: 1rem;--fs-lg: .9375rem;--fs-base: .875rem;--fs-sm: .8125rem;--fs-xs: .75rem;--lh-tight: 1.35;--lh-base: 1.6;--lh-loose: 1.75}uni-page-body,:root{--radius-tag: .1875rem;--radius-input: .375rem;--radius-btn: .5rem;--radius-card: .625rem;--radius-circle: 50%}body{--radius-tag: .1875rem;--radius-input: .375rem;--radius-btn: .5rem;--radius-card: .625rem;--radius-circle: 50%}uni-page-body,:root{--space-xs: .3125rem;--space-sm: .625rem;--space-md: .9375rem;--space-lg: 1.25rem;--space-xl: 1.875rem}body{--space-xs: .3125rem;--space-sm: .625rem;--space-md: .9375rem;--space-lg: 1.25rem;--space-xl: 1.875rem}uni-page-body,:root{--shadow-card: 0 .0625rem .375rem rgba(0, 0, 0, .06);--shadow-popup: 0 -.125rem .75rem rgba(0, 0, 0, .1);--mask-color: rgba(0, 0, 0, .45);--mask-blur: .5rem;--z-popup: 1000;--z-login-over: 1100;--z-confirm: 2400;--z-toast: 99999}body{--shadow-card: 0 .0625rem .375rem rgba(0, 0, 0, .06);--shadow-popup: 0 -.125rem .75rem rgba(0, 0, 0, .1);--mask-color: rgba(0, 0, 0, .45);--mask-blur: .5rem;--z-popup: 1000;--z-login-over: 1100;--z-confirm: 2400;--z-toast: 99999}uni-page-body,:root{--navbar-h: 2.75rem;--tabbar-h: 3.4375rem;--icon-lg: 1.625rem;--icon-md: 1.375rem;--icon-sm: 1rem;--zone-box: 2.875rem;--book-w: 8.125rem;--book-cover-h: 10rem;--thumb-size: 2.75rem;--level-size: 1.5rem;--btn-sm-h: 1.375rem;--stats-overlap: 2.1875rem;--line: .0625rem;--daily-scroll-h: 13.4375rem;--pc-topnav-h: 64px;--book-w-pc: 220px;--book-cover-h-pc: 280px;--cover-w: 6.25rem;--cover-w-pc: 120px;--lib-cover: var(--cover-w);--search-h: 2.25rem;--chip-h: 1.75rem;--avatar-size: 3.75rem;--stat-icon: 1.75rem;--radar-size: 17.5rem;--menu-icon: 1.75rem;--btn-lg-h: 2.5rem;--bar-h: .375rem;--chart-h: 8.75rem;--mod-icon: 2.25rem;--radius-pill: 31.21875rem;--upload-size: 5rem;--textarea-h: 6.25rem;--picker-h: 13.75rem;--picker-item-h: 2.75rem}body{--navbar-h: 2.75rem;--tabbar-h: 3.4375rem;--icon-lg: 1.625rem;--icon-md: 1.375rem;--icon-sm: 1rem;--zone-box: 2.875rem;--book-w: 8.125rem;--book-cover-h: 10rem;--thumb-size: 2.75rem;--level-size: 1.5rem;--btn-sm-h: 1.375rem;--stats-overlap: 2.1875rem;--line: .0625rem;--daily-scroll-h: 13.4375rem;--pc-topnav-h: 64px;--book-w-pc: 220px;--book-cover-h-pc: 280px;--cover-w: 6.25rem;--cover-w-pc: 120px;--lib-cover: var(--cover-w);--search-h: 2.25rem;--chip-h: 1.75rem;--avatar-size: 3.75rem;--stat-icon: 1.75rem;--radar-size: 17.5rem;--menu-icon: 1.75rem;--btn-lg-h: 2.5rem;--bar-h: .375rem;--chart-h: 8.75rem;--mod-icon: 2.25rem;--radius-pill: 31.21875rem;--upload-size: 5rem;--textarea-h: 6.25rem;--picker-h: 13.75rem;--picker-item-h: 2.75rem}uni-page-body{background-color:var(--bg-page);color:var(--text-color);font-size:var(--fs-base);line-height:var(--lh-base);font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,Helvetica Neue,Helvetica,Arial,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}body{background-color:var(--bg-page)}.text-title{color:var(--text-title)}.text-body{color:var(--text-color)}.text-secondary{color:var(--text-secondary)}.text-muted{color:var(--text-muted)}.text-placeholder{color:var(--text-placeholder)}.text-link{color:var(--text-link)}uni-view,uni-text,uni-scroll-view,uni-image{box-sizing:border-box}.page-wrap{min-height:100%;background-color:var(--bg-page);padding-bottom:calc(var(--tabbar-h) + var(--space-lg) + env(safe-area-inset-bottom))}.page-wrap.sub-wrap{padding-bottom:calc(var(--space-lg) + 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.click-item.is-longpress{transform:none;opacity:1}.base-icon{display:inline-block;flex-shrink:0;vertical-align:middle}.icon-lg{width:var(--icon-lg);height:var(--icon-lg)}.icon-md{width:var(--icon-md);height:var(--icon-md)}.icon-sm{width:var(--icon-sm);height:var(--icon-sm)}.icon-white{color:var(--text-inverse)}.icon-primary{color:var(--primary-color)}.icon-muted{color:var(--text-placeholder)}.icon-warning{color:var(--warning-color)}.base-tag{display:inline-flex;align-items:center;justify-content:center;padding:.125rem var(--space-xs);font-size:var(--fs-xs);line-height:var(--lh-base);border-radius:var(--radius-tag);background-color:var(--tag-bg);color:var(--tag-text)}.tag-topic{background-color:var(--tag-bg);color:var(--tag-text)}.tag-edition{background-color:var(--primary-color);color:var(--text-inverse);border-radius:var(--radius-btn);padding:.125rem var(--space-sm)}.base-btn{display:inline-flex;align-items:center;justify-content:center;gap:.25rem;height:var(--btn-sm-h);padding:0 var(--space-sm);border-radius:var(--radius-btn);font-size:var(--fs-xs);line-height:var(--lh-base);flex-shrink:0}.btn-complement{color:var(--warning-color);border:var(--line) solid var(--warning-color);background-color:var(--bg-card)}.btn-primary{color:var(--text-inverse);background-color:var(--primary-color)}.btn-primary .btn-txt{color:var(--text-inverse);font-size:inherit}.btn-gradient{color:var(--text-inverse);background-image:linear-gradient(90deg,var(--primary-color) 0%,var(--primary-color2) 100%);box-shadow:0 .3125rem .625rem -.25rem rgba(14,138,134,.5)}.btn-gradient .btn-txt{color:var(--text-inverse);font-size:inherit;font-weight:600}.btn-block{width:100%;height:var(--btn-lg-h);border-radius:var(--radius-pill)}.base-tabbar{position:fixed;left:0;right:0;bottom:0;z-index:100;display:flex;align-items:center;justify-content:space-around;height:calc(var(--tabbar-h) + env(safe-area-inset-bottom));padding-bottom:env(safe-area-inset-bottom);background-color:var(--bg-card);box-shadow:var(--shadow-popup)}.tab-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;color:var(--text-placeholder)}.tab-item.active{color:var(--primary-color)}.tab-text{font-size:var(--fs-sm);margin-top:.125rem;line-height:var(--lh-base);color:var(--text-placeholder)}.tab-item.active .tab-text{color:var(--primary-color)}.tab-logo{display:none}.popup-mask{position:fixed;top:0;left:0;right:0;bottom:0;z-index:var(--z-popup);display:flex;align-items:flex-end;justify-content:center;background:var(--mask-color);backdrop-filter:blur(var(--mask-blur));-webkit-backdrop-filter:blur(var(--mask-blur));opacity:0;pointer-events:none;transition:opacity .3s cubic-bezier(.25,.8,.25,1)}.popup-mask.is-open{opacity:1;pointer-events:auto}.popup-sheet{width:100%;background-color:var(--bg-card);border-radius:var(--radius-card) var(--radius-card) 0 0;box-shadow:var(--shadow-popup);padding-bottom:env(safe-area-inset-bottom);transform:translateY(100%);transition:transform .3s cubic-bezier(.25,.8,.25,1)}.popup-mask.is-open .popup-sheet{transform:translateY(0)}.popup-head{display:flex;align-items:center;padding:var(--space-sm) var(--space-md);border-bottom:var(--line) solid var(--border-color)}.popup-action{flex:1;font-size:var(--fs-base);color:var(--text-placeholder);line-height:var(--lh-base)}.popup-title{flex:1;text-align:center;font-size:var(--fs-h2);font-weight:700;color:var(--text-color);line-height:var(--lh-base)}.popup-confirm{text-align:right;color:var(--primary-color);font-weight:600}.picker-wheel{width:100%;height:var(--picker-h)}.picker-item{height:var(--picker-item-h);display:flex;align-items:center;justify-content:center;font-size:var(--fs-h2);color:var(--text-color);line-height:var(--lh-base)}.picker-indicator{height:var(--picker-item-h);border:0;background-color:transparent}.picker-wheel .uni-picker-view-indicator,.popup-sheet .uni-picker-view-indicator,.popup-sheet .picker-indicator{background:transparent!important;border:0!important;border-radius:0!important}.picker-wheel .uni-picker-view-indicator:before,.picker-wheel .uni-picker-view-indicator:after,.popup-sheet .uni-picker-view-indicator:before,.popup-sheet .uni-picker-view-indicator:after,.picker-indicator:before,.picker-indicator:after{border-color:var(--border-color)!important;color:var(--border-color)!important}.uni-picker-container .uni-picker-view-indicator,.uni-picker-content .uni-picker-view-indicator{background:transparent!important;border:0!important;border-radius:0!important}.uni-picker-container .uni-picker-view-indicator:before,.uni-picker-container .uni-picker-view-indicator:after,.uni-picker-content .uni-picker-view-indicator:before,.uni-picker-content .uni-picker-view-indicator:after{border-color:rgba(14,138,134,.35)!important;color:rgba(14,138,134,.35)!important}.uni-picker-container .uni-picker-item,.uni-picker-content .uni-picker-item{color:#64748b!important;font-size:16px!important;text-align:center!important;padding-left:0!important;padding-right:0!important}.uni-picker-container .uni-picker-view-wrapper,.uni-picker-container .uni-picker-view-content,.uni-picker-content .uni-picker-view-wrapper,.uni-picker-content .uni-picker-view-content{text-align:center!important}.uni-picker-action-confirm{color:var(--primary-color, #0e8a86)!important}.uni-picker-action-cancel{color:#64748b!important}.pc-only{display:none}.base-input-wrap{display:flex;align-items:center;height:var(--search-h);padding-left:var(--space-sm);padding-right:var(--space-sm);background-color:var(--bg-card);border-radius:var(--radius-input);box-shadow:var(--shadow-card)}.base-input-prefix{margin-right:var(--space-xs);display:flex;align-items:center}.base-input-suffix{margin-left:var(--space-xs);display:flex;align-items:center}.base-input{flex:1;height:var(--search-h);font-size:var(--fs-base);color:var(--text-color);background-color:transparent;border:0}.base-input-ph{color:var(--text-placeholder);font-size:var(--fs-base)}.tabbar-wrap{display:block;height:0}.login-root.is-page{min-height:0;width:100%}.login-page{min-height:calc(100vh - var(--tabbar-h) - 3.75rem);width:100%;display:flex;align-items:center;justify-content:center;padding:var(--space-lg) var(--space-md);box-sizing:border-box;background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(14,138,134,.16),transparent 60%),var(--bg-page, #F5F7FA)}.login-page-inner{width:100%;max-width:22.5rem}.login-brand{display:flex;flex-direction:column;align-items:center;gap:.25rem;margin-bottom:var(--space-lg)}.login-brand-name{font-size:1.5rem;font-weight:700;color:var(--primary-color);line-height:1.2}.login-brand-sub{font-size:var(--fs-sm);color:var(--text-secondary)}.login-card-page{transform:none;max-width:none;width:100%}.login-home-back{display:none}.login-mask{position:fixed;top:0;left:0;right:0;bottom:0;z-index:var(--z-popup);display:flex;align-items:center;justify-content:center;padding:var(--space-md);background:var(--mask-color);backdrop-filter:blur(var(--mask-blur));-webkit-backdrop-filter:blur(var(--mask-blur));opacity:0;pointer-events:none;transition:opacity .25s cubic-bezier(.25,.8,.25,1)}.login-mask.is-open{opacity:1;pointer-events:auto}.login-card{position:relative;width:100%;background-color:var(--bg-card);border-radius:var(--radius-card);box-shadow:var(--shadow-popup);padding:var(--space-lg) var(--space-md) var(--space-md);transform:scale(.92);transition:transform .25s cubic-bezier(.25,.8,.25,1)}.login-close{position:absolute;top:var(--space-sm);right:var(--space-sm);width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;z-index:2;color:var(--text-secondary)}.login-mask.is-open .login-card{transform:none}.login-tabs{display:flex;align-items:center;border-bottom:var(--line) solid var(--border-color);margin-bottom:var(--space-lg)}.login-tab{flex:1;display:flex;align-items:center;justify-content:center;height:2.75rem;position:relative}.login-tab-text{font-size:var(--fs-h2);font-weight:600;color:var(--text-secondary);line-height:var(--lh-base)}.login-tab.active .login-tab-text{color:var(--primary-color)}.login-tab.active:after{content:"";position:absolute;left:50%;bottom:0;width:2.75rem;height:.1875rem;margin-left:-1.375rem;border-radius:var(--radius-pill);background-color:var(--primary-color)}.login-form{display:flex;flex-direction:column}.login-card .base-input-wrap{height:2.75rem;padding:0 var(--space-md);border:var(--line) solid var(--border-color);border-radius:var(--radius-btn);box-shadow:none;background-color:var(--bg-card)}.login-card .base-input{height:2.75rem;font-size:var(--fs-base)}.login-card .uni-input-wrapper{width:100%;height:100%;display:flex;align-items:center}.login-card .uni-input-input{width:100%;height:100%}.login-code-row{display:flex;align-items:center;gap:var(--space-sm)}.login-code-row .base-input-wrap{flex:1;min-width:0}.login-field{display:flex;flex-direction:column}.login-field+.login-field{margin-top:var(--space-md)}.login-field.has-err .base-input-wrap{border-color:var(--danger-color)}.login-error{display:block;margin-top:var(--space-xs);padding:0;font-size:var(--fs-xs);color:var(--danger-color);line-height:var(--lh-base)}.login-eye{display:flex;align-items:center;justify-content:center;padding:var(--space-xs)}.login-code-btn{flex-shrink:0;height:2.75rem;min-width:5.625rem;padding:0 var(--space-md);border-radius:var(--radius-pill);background-color:var(--tone-gray-bg);display:flex;align-items:center;justify-content:center;transition:background-color .2s ease,color .2s ease}.login-code-btn-text{color:var(--text-placeholder);font-size:var(--fs-sm);font-weight:600;line-height:var(--lh-base)}.login-code-btn.is-on{background-color:var(--primary-color)}.login-code-btn.is-on .login-code-btn-text{color:var(--text-inverse)}.login-code-btn.is-wait{background-color:var(--primary-light)}.login-code-btn.is-wait .login-code-btn-text{color:var(--primary-color)}.login-agree-block{margin-top:var(--space-md);margin-bottom:var(--space-lg)}.login-agree{display:flex;align-items:center}.login-check{width:1.125rem;height:1.125rem;border-radius:var(--radius-circle);border:var(--line) solid var(--border-color);margin-right:var(--space-xs);flex-shrink:0;box-sizing:border-box}.login-check.checked{background-color:var(--primary-color);border-color:var(--primary-color);box-shadow:inset 0 0 0 .1875rem var(--bg-card)}.login-agree-text{font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base)}.login-agree-link{font-size:var(--fs-sm);color:var(--primary-color);line-height:var(--lh-base)}.login-root{display:contents}.login-agree-mask{position:fixed;top:0;left:0;right:0;bottom:0;z-index:var(--z-login-over);display:flex;align-items:center;justify-content:center;padding:var(--space-md);background:var(--mask-color);backdrop-filter:blur(var(--mask-blur));-webkit-backdrop-filter:blur(var(--mask-blur));opacity:0;pointer-events:none;transition:opacity .25s cubic-bezier(.25,.8,.25,1)}.login-agree-mask.is-open{opacity:1;pointer-events:auto}.login-agree-dialog{width:100%;max-width:17.5rem;background-color:var(--bg-card);border-radius:var(--radius-card);padding:var(--space-lg) var(--space-md) var(--space-md);box-shadow:var(--shadow-card)}.login-agree-dialog-title{display:block;text-align:center;font-size:var(--fs-h2);font-weight:600;color:var(--text-title);line-height:var(--lh-base)}.login-agree-dialog-links{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;margin-top:var(--space-sm)}.login-agree-dialog-link{font-size:var(--fs-base);color:var(--primary-color);line-height:var(--lh-base)}.login-agree-dialog-and{font-size:var(--fs-base);color:var(--text-title);line-height:var(--lh-base);margin:0 .125rem}.login-agree-dialog-btns{display:flex;align-items:center;gap:var(--space-sm);margin-top:var(--space-lg)}.login-agree-dialog-ok,.login-agree-dialog-cancel{flex:1;height:2.25rem;border-radius:var(--radius-pill);display:flex;align-items:center;justify-content:center;font-size:var(--fs-sm);font-weight:600;line-height:1}.login-agree-dialog-ok{color:var(--text-inverse);background:linear-gradient(90deg,var(--primary-color),var(--primary-color2))}.login-agree-dialog-cancel{color:var(--text-title);background-color:var(--tone-gray-bg)}.confirm-mask{z-index:var(--z-confirm)}.confirm-dialog-content{display:block;text-align:center;margin-top:var(--space-sm);font-size:var(--fs-base);color:var(--text-secondary);line-height:var(--lh-base)}.confirm-dialog-content.is-only{margin-top:0;font-size:var(--fs-h2);font-weight:600;color:var(--text-title)}.login-card .login-submit,.login-card .btn-block{height:var(--btn-lg-h);border-radius:var(--radius-pill);font-size:var(--fs-h2);font-weight:600;box-shadow:0 .375rem .75rem -.3125rem rgba(14,138,134,.45)}.login-mask.class-add-mask,.login-mask.class-qr-mask{z-index:1600}.class-qr-card{position:relative;width:100%;max-width:17.5rem;background:#fff;border-radius:.75rem;box-shadow:0 .5rem 1.5rem rgba(15,23,42,.18);padding:2rem 1.25rem 1.5rem;display:flex;flex-direction:column;align-items:center;text-align:center}.class-qr-code{position:relative;width:11.25rem;height:11.25rem;overflow:hidden;background:#fff}.class-qr-img{width:11.25rem;height:11.25rem;display:block;background:#fff}.class-qr-center{position:absolute;left:50%;top:50%;width:2.75rem;height:2.75rem;margin-left:-1.375rem;margin-top:-1.375rem;border-radius:.625rem;background:#fff;display:flex;align-items:center;justify-content:center;box-shadow:0 .125rem .375rem rgba(15,23,42,.12);color:#0891b2;z-index:2}.class-qr-badge{position:absolute;right:.5rem;bottom:.5rem;width:1.75rem;height:1.75rem;border-radius:50%;background:#07c160;border:.1875rem solid #ffffff;z-index:3;display:flex;align-items:center;justify-content:center;box-sizing:border-box}.class-qr-badge-dot{width:.6875rem;height:.6875rem;border:.125rem solid #ffffff;border-radius:.25rem .25rem .125rem;box-sizing:border-box}.class-qr-name{display:block;margin-top:1.125rem;font-size:var(--fs-h2);font-weight:600;color:var(--text-title);line-height:var(--lh-tight)}.class-qr-tip{display:block;margin-top:.375rem;font-size:var(--fs-sm);color:var(--text-secondary)}.class-add-title{display:block;text-align:center;font-size:var(--fs-h1);font-weight:700;color:var(--text-title);line-height:var(--lh-tight);margin-bottom:var(--space-lg);padding:0 1.75rem}.class-add-textarea{width:100%;min-height:2.25rem;height:2.25rem;padding:.5rem .75rem;box-sizing:border-box;border:var(--line) solid var(--border-color);border-radius:var(--radius-btn);background:var(--bg-page);font-size:var(--fs-base);color:var(--text-title);line-height:var(--lh-base)}.class-add-card .login-submit{margin-top:var(--space-lg)}.class-add-card .teacher-select{width:100%;display:block}.class-transfer-note{margin-top:var(--space-sm);margin-bottom:var(--space-xs);line-height:1.7}.class-transfer-label{color:#f59e0b;font-size:var(--fs-sm);font-weight:600}.class-transfer-text{color:var(--text-secondary);font-size:var(--fs-sm)}.class-delete-text{display:block;text-align:center;color:var(--text-secondary);font-size:var(--fs-base);line-height:1.7;margin-bottom:var(--space-lg)}.class-delete-actions{display:flex;gap:var(--space-sm)}.class-delete-actions .teacher-btn{flex:1}.class-layer-hint{display:block;text-align:center;color:var(--text-secondary);font-size:var(--fs-sm);line-height:1.6;margin:-.375rem 0 var(--space-md)}.login-field.has-err .teacher-select-trigger{border-color:var(--danger-color)}.login-tip{display:block;margin-top:var(--space-md);font-size:var(--fs-xs);color:var(--text-placeholder);line-height:var(--lh-loose)}body:has(.login-mask.is-open) uni-toast,body:has(.login-mask.is-open) .uni-toast,body:has(.login-mask.is-open) .uni-sample-toast{display:none!important}body:has(.popup-mask.is-open) uni-toast,body:has(.popup-mask.is-open) .uni-toast,body:has(.popup-mask.is-open) .uni-sample-toast{z-index:3000!important}.home-header{background:linear-gradient(180deg,var(--primary-color) 0%,var(--primary-color2) 100%);padding-top:env(safe-area-inset-top);padding-bottom:calc(var(--space-xl) + var(--space-lg))}.greet-logo{position:absolute;top:1.5625rem;right:var(--space-lg);width:7.8125rem;height:3.125rem;border-radius:.5rem;background:rgba(255,255,255,.92);padding:.1875rem;box-shadow:0 .125rem .375rem rgba(0,0,0,.12)}.logo{display:block;width:7.5rem;height:2rem;border-radius:.375rem}.home-navbar{height:var(--navbar-h);display:flex;align-items:center;justify-content:center;padding-left:var(--space-md);padding-right:var(--space-md)}.nav-side{width:var(--icon-lg);height:var(--navbar-h);display:flex;align-items:center;justify-content:center}.nav-logo{color:var(--text-inverse);font-size:var(--fs-h1);font-weight:700;letter-spacing:.03125rem}.home-greet{display:flex;flex-direction:column;align-items:flex-start;padding-left:var(--space-lg);padding-right:var(--space-lg);padding-top:var(--space-sm);position:relative}.greet-copy{min-width:0}.greet-title{display:block;color:var(--text-inverse);font-size:var(--fs-xl);font-weight:700;line-height:var(--lh-tight)}.greet-sub{display:block;margin-top:var(--space-xs);color:var(--text-inverse);font-size:var(--fs-sm);line-height:var(--lh-base);opacity:.92}.greet-action{display:flex;flex-direction:row;align-items:center;margin-top:var(--space-md);height:2rem;padding:0 .875rem;background-color:var(--bg-card);border-radius:var(--radius-pill);box-shadow:0 .25rem .5625rem rgba(11,107,104,.16)}.greet-action-text{color:var(--primary-color);font-size:var(--fs-sm);font-weight:600;line-height:var(--lh-base)}.greet-action .base-icon{margin-left:.25rem}.stats-wrap{margin-left:var(--space-md);margin-right:var(--space-md);margin-top:calc(0px - var(--stats-overlap))}.home-guest-card{background:var(--bg-card);padding-bottom:var(--space-lg)}.home-guest-card .guest-nav-logo{color:var(--primary-color)}.guest-body{display:flex;flex-direction:column;align-items:center;padding:var(--space-md) var(--space-lg) var(--space-sm)}.guest-title{display:block;font-size:var(--fs-xl);font-weight:700;color:var(--primary-color);line-height:var(--lh-tight);text-align:center}.guest-sub{display:block;margin-top:var(--space-xs);font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base);text-align:center}.guest-promo{width:100%;margin-top:var(--space-lg);padding:1.75rem .75rem;border-radius:var(--radius-card);background:linear-gradient(160deg,var(--primary-color) 0%,var(--primary-dark) 100%);box-sizing:border-box;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.25rem;position:relative;overflow:hidden}.guest-promo:after{content:"";position:absolute;left:50%;bottom:-28%;width:140%;height:70%;transform:translate(-50%);background:rgba(0,0,0,.08);-webkit-clip-path:polygon(50% 0,100% 100%,0 100%);clip-path:polygon(50% 0,100% 100%,0 100%);pointer-events:none}.guest-promo-line{position:relative;z-index:1;color:#fff;font-size:var(--fs-h2);font-weight:700;line-height:1.35;text-align:center}.guest-login-btn{width:100%;margin-top:var(--space-lg);height:2.75rem;border-radius:var(--radius-pill);background:var(--primary-dark);color:#fff;font-size:var(--fs-h2);font-weight:600;display:flex;align-items:center;justify-content:center;box-shadow:0 .3125rem .75rem rgba(11,107,104,.28);box-sizing:border-box}.stats-card{padding:.5rem;display:flex;align-items:center}.stats-item{flex:1;display:flex;flex-direction:column;align-items:center;position:relative}.stats-item+.stats-item:before{content:"";position:absolute;left:0;top:50%;width:var(--line);height:var(--space-lg);margin-top:calc(0px - var(--space-sm));background-color:var(--border-color)}.stats-value{font-size:var(--fs-display);font-weight:700;line-height:var(--lh-tight);color:var(--primary-color)}.stats-value.is-checkin{color:var(--warning-color)}.stats-up{font-size:var(--fs-sm);margin-left:.125rem}.stats-label{margin-top:.1875rem;font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base)}.home-banner{margin:var(--space-md) var(--space-md) 0;border-radius:var(--radius-card);overflow:hidden}.home-swiper{height:8.75rem;width:100%;border-radius:var(--radius-card);overflow:hidden}.banner-item{position:relative;width:100%;height:100%;overflow:hidden}.banner-img{width:100%;height:auto;display:block;vertical-align:top}.banner-mask{position:absolute;left:0;right:0;bottom:0;padding:var(--space-md) var(--space-md) var(--space-lg);background:linear-gradient(180deg,rgba(0,0,0,0),rgba(0,43,58,.62));display:flex;flex-direction:column}.banner-title{color:var(--text-inverse);font-size:var(--fs-h1);font-weight:700;line-height:var(--lh-tight)}.banner-desc{margin-top:.1875rem;color:var(--text-inverse);font-size:var(--fs-sm);line-height:var(--lh-base);opacity:.92}.w1288{margin:var(--space-xl) var(--space-md) 0}.menu-two{flex:1;display:flex;flex-wrap:wrap;font-family:HarmonyOS_Sans_SC_Regular}.menu-bg{font-size:14px;background:#fff;padding:4px 10px;border-radius:1000px;overflow:hidden;color:#101010;margin:5px;cursor:pointer}.menuarr{background:#0993e3!important;color:#fff}.menu-list{width:100%;box-sizing:border-box}.new-top{width:100%;padding-left:0;padding-right:0;box-sizing:border-box}.new-ul{width:100%;padding:20px 0 40px;box-sizing:border-box;display:flex;flex-wrap:wrap}.new-li{width:31.33%;padding:28px;margin:1%;box-sizing:border-box;border-radius:10px;overflow:hidden;box-shadow:-1px 0 8px 3px 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uni-image{display:block;width:5rem;height:auto}.care-adv-info{display:flex;flex-direction:column;align-items:center;text-align:center;min-width:0}.care-adv-h1{font-size:.9375rem;font-weight:700;color:#14507a;line-height:1.3}.care-adv-h2{margin-top:.25rem;font-size:.625rem;letter-spacing:.03125rem;color:#e8a33d}.home-section{margin-top:var(--space-lg);padding-left:var(--space-md);padding-right:var(--space-md)}.section-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-md)}.section-title{font-size:var(--fs-h1);font-weight:700;color:var(--text-title);line-height:var(--lh-tight)}.section-more{display:flex;align-items:center;color:var(--primary-color);font-size:var(--fs-base);line-height:var(--lh-base)}.section-more-text{color:var(--primary-color);font-size:var(--fs-base)}.section-more .base-icon{margin-right:.25rem;width:.875rem!important;height:.875rem!important}.section-more .base-icon.section-more-arrow{margin-right:0;margin-left:.25rem}.zone-grid{display:flex;flex-wrap:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch;scrollbar-width:none}.zone-grid::-webkit-scrollbar{display:none}.zone-item{flex:0 0 auto;width:5rem;display:flex;flex-direction:column;align-items:center;padding-top:var(--space-sm);padding-bottom:var(--space-sm)}.zone-item:last-child{margin-right:var(--space-md)}.zone-box{width:var(--zone-box);height:var(--zone-box);border-radius:var(--radius-input);display:flex;align-items:center;justify-content:center}.zone-box .base-icon{width:1.75rem!important;height:1.75rem!important}.zone-box .zone-img{width:1.75rem;height:1.75rem;border-radius:.375rem}.zone-name{margin-top:.375rem;font-size:var(--fs-base);font-weight:500;color:var(--text-color);line-height:var(--lh-base)}.tone-teal{color:var(--tone-teal);background-color:var(--tone-teal-bg)}.tone-orange{color:var(--tone-orange);background-color:var(--tone-orange-bg)}.tone-green{color:var(--tone-green);background-color:var(--tone-green-bg)}.tone-blue{color:var(--tone-blue);background-color:var(--tone-blue-bg)}.tone-red{color:var(--tone-red);background-color:var(--tone-red-bg)}.tone-brown{color:var(--tone-brown);background-color:var(--tone-brown-bg)}.tone-gray{color:var(--tone-gray);background-color:var(--tone-gray-bg)}.zone-box{color:#fff}.zone-box.tone-care{background-color:#005471;background-image:linear-gradient(145deg,#96d2e7,#005471);box-shadow:0 .3125rem .5625rem -.25rem rgba(0,84,113,.42),inset 0 1px rgba(255,255,255,.38)}.zone-box.tone-teal{background-color:#0e8a86;background-image:linear-gradient(145deg,#3dcec4,#0b6b68);box-shadow:0 .3125rem .5625rem -.25rem rgba(11,107,104,.42),inset 0 1px rgba(255,255,255,.38)}.zone-box.tone-orange{background-color:#f5a623;background-image:linear-gradient(145deg,#ffc85a,#e08a00);box-shadow:0 .3125rem .5625rem -.25rem rgba(224,138,0,.4),inset 0 1px rgba(255,255,255,.4)}.zone-box.tone-green{background-color:#52c41a;background-image:linear-gradient(145deg,#7ed957,#389e0d);box-shadow:0 .3125rem .5625rem -.25rem rgba(56,158,13,.38),inset 0 1px rgba(255,255,255,.38)}.zone-box.tone-blue{background-color:#2f54eb;background-image:linear-gradient(145deg,#6f8dff,#1d39c4);box-shadow:0 .3125rem .5625rem -.25rem rgba(47,84,235,.4),inset 0 1px rgba(255,255,255,.38)}.zone-box.tone-red{background-color:#f5222d;background-image:linear-gradient(145deg,#ff6b70,#cf1322);box-shadow:0 .3125rem .5625rem -.25rem rgba(207,19,34,.38),inset 0 1px rgba(255,255,255,.38)}.zone-box.tone-brown{background-color:#8d6e63;background-image:linear-gradient(145deg,#b0897a,#6d4c41);box-shadow:0 .3125rem .5625rem -.25rem rgba(109,76,65,.4),inset 0 1px rgba(255,255,255,.32)}.daily-scroll{width:100%;height:auto;white-space:nowrap;overflow-x:auto;overflow-y:hidden;-webkit-overflow-scrolling:touch}.cover-wall{background-color:var(--tone-blue-bg)}.cover-class{background-color:var(--tone-green-bg)}.cover-tech{background-color:var(--primary-dark)}.like-list .bg-card{margin-bottom:var(--space-sm)}.daily-row{display:inline-flex;flex-wrap:nowrap;padding-bottom:var(--space-xs);padding-right:var(--space-md);padding-top:10px}.book-item{width:var(--book-w);margin-right:var(--space-sm);flex-shrink:0;white-space:normal}.book-cover-wrap{position:relative;width:var(--book-w);height:auto;border-radius:0;overflow:hidden;background-color:transparent;box-shadow:none}.book-cover-img{width:100%;height:auto;display:block}.cover-level{position:absolute;top:var(--space-xs);right:var(--space-xs);width:var(--level-size);height:var(--level-size);border-radius:var(--radius-circle);background-color:var(--bg-card);color:var(--primary-color);font-size:var(--fs-xs);font-weight:700;display:flex;align-items:center;justify-content:center;box-shadow:var(--shadow-card)}.book-title{display:block;margin-top:var(--space-xs);font-size:var(--fs-base);font-weight:600;color:var(--text-title);line-height:var(--lh-base);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.book-item .base-tag{margin-top:.1875rem}.sync-card{padding:var(--space-md)}.sync-head{display:flex;align-items:center;margin-bottom:var(--space-md)}.sync-unit{margin-left:var(--space-xs);font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base);flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.article-row{display:flex;align-items:center;padding-top:var(--space-sm);padding-bottom:var(--space-sm)}.article-row+.article-row{border-top:var(--line) solid var(--border-color)}.article-thumb{width:var(--cover-w);height:auto;border-radius:0;display:flex;align-items:center;justify-content:center;flex-shrink:0;overflow:hidden}.article-thumb uni-image{width:100%;height:auto;display:block}.article-thumb .base-icon{width:1.5rem!important;height:1.5rem!important}.article-body{flex:1;margin-left:var(--space-sm);margin-right:var(--space-xs);min-width:0}.article-title{display:block;font-size:var(--fs-base);font-weight:600;color:var(--text-title);line-height:var(--lh-base);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.article-meta{display:block;margin-top:.1875rem;font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base)}.article-tags{display:flex;flex-wrap:wrap;margin-top:.1875rem}.article-tags .base-tag{margin-right:.25rem;margin-top:.125rem}.like-card{padding:var(--space-sm);margin-bottom:var(--space-sm);display:flex;align-items:center}.placeholder-page{padding-top:env(safe-area-inset-top)}.placeholder-hero{background:linear-gradient(180deg,var(--primary-color) 0%,var(--primary-color2) 100%);padding:var(--space-xl) var(--space-lg)}.placeholder-title{color:var(--text-inverse);font-size:var(--fs-xl);font-weight:700}.placeholder-sub{margin-top:var(--space-xs);color:var(--text-inverse);opacity:.88;font-size:var(--fs-base)}.placeholder-body{margin:var(--space-lg) var(--space-md);padding:var(--space-xl) var(--space-md);text-align:center}.placeholder-desc{color:var(--text-placeholder);font-size:var(--fs-base)}.lib-header{background:linear-gradient(90deg,var(--primary-color) 0%,var(--primary-color2) 100%);padding-top:env(safe-area-inset-top)}.lib-body{padding:var(--space-md)}.lib-search{display:flex;align-items:center;width:100%;max-width:680px;height:var(--search-h, 2.25rem);padding:.1875rem .1875rem .1875rem .625rem;background:#fff;border:.0625rem solid var(--primary-color);border-radius:31.21875rem;box-sizing:border-box}.lib-search-icon{flex-shrink:0;display:flex;align-items:center;justify-content:center;margin-right:.375rem}.lib-search-input{flex:1;min-width:0;height:100%;padding-right:.5rem;font-size:var(--fs-base);color:var(--text-color);background:transparent}.lib-search-ph{color:var(--text-placeholder);font-size:var(--fs-base)}.lib-search-btn{flex-shrink:0;display:flex;align-items:center;justify-content:center;min-width:3.75rem;height:100%;padding:0 .875rem;border-radius:31.21875rem;background:var(--primary-color);color:#fff;font-size:var(--fs-sm);font-weight:600;line-height:1}.lib-page-title{display:none}.lib-filter-group{margin-top:var(--space-sm)}.lib-top-tabs{width:100%;white-space:nowrap;border-bottom:.03125rem solid var(--border-color)}.lib-top-tabs-inner{display:inline-flex;align-items:center;flex-shrink:0;min-width:100%;padding:.125rem 0 .375rem}.lib-tab{position:relative;display:inline-flex;align-items:center;justify-content:center;height:var(--chip-h);padding:0 .75rem;margin-right:.625rem;border-radius:0;font-size:var(--fs-base);font-weight:500;color:var(--text-secondary);line-height:var(--lh-base);white-space:nowrap;flex-shrink:0}.lib-tab.is-on{color:var(--primary-color);font-weight:600}@media (max-width: 767px){.lib-tab.is-on{background-color:var(--primary-dark);color:var(--text-inverse);border-radius:var(--radius-pill)}.lib-tab.is-on:after{background-color:var(--text-inverse)}}.lib-tab.is-on:after{content:"";position:absolute;left:50%;bottom:0;width:1.25rem;height:.125rem;margin-left:-.625rem;border-radius:.0625rem;background-color:var(--primary-color)}.lib-filter-block{padding:.375rem 0}@media (max-width: 767px){.lib-filter-block{padding:.375rem .625rem;background-color:var(--primary-dark);border-radius:.5rem}.lib-filter-block .lib-chip.chip-plain{color:var(--text-inverse)}.lib-filter-block .lib-chip.chip-solid{background-color:var(--text-inverse);color:var(--primary-dark)}}.lib-filter-line{display:flex;align-items:center;width:100%;margin-top:var(--space-xs)}.lib-filter-line:first-child{margin-top:0}.lib-filter-label{flex-shrink:0;width:4.625rem;padding-right:.25rem;font-size:var(--fs-base);font-weight:600;color:var(--text-title);line-height:var(--chip-h)}.lib-filter-label-spacer{visibility:hidden}.lib-filter-row{flex:1;width:0;white-space:nowrap;margin-top:0;height:calc(var(--chip-h) + .25rem)}.lib-filter-inner{display:inline-flex;align-items:center;flex-shrink:0;min-width:100%;padding:.125rem 0}.lib-chip{display:inline-flex;align-items:center;justify-content:center;height:var(--chip-h);padding:0 .875rem;margin-right:.5rem;border-radius:var(--radius-pill);font-size:var(--fs-base);font-weight:500;line-height:var(--lh-base);white-space:nowrap;flex-shrink:0}.chip-solid{background-color:var(--primary-color);color:var(--text-inverse)}.chip-soft{background-color:var(--chip-soft-bg);color:var(--chip-soft-text)}.chip-tint{background-color:var(--chip-tint-bg);color:var(--chip-tint-text)}.chip-outline{background-color:var(--bg-card);color:var(--text-secondary);border:var(--line) solid var(--border-color)}.chip-plain{background-color:transparent;color:var(--text-color);padding:0 .625rem}.lib-list{margin-top:var(--space-md)}.lib-card{margin-bottom:var(--space-sm);padding:var(--space-md)}.lib-card-main{display:flex;align-items:stretch;gap:var(--space-sm)}.lib-cover-item{position:relative;width:var(--cover-w);flex-shrink:0;overflow:hidden}.lib-cover-item .lib-cover-img,.lib-cover-item .lib-cover-img uni-image,.lib-cover .lib-cover-img{width:100%;height:auto;display:block}.lib-cover{position:relative;width:var(--lib-cover);overflow:hidden;flex-shrink:0}.lib-cover-img{width:100%;height:100%;display:block;transition:transform .35s ease}.lib-level{position:absolute;right:.3125rem;bottom:.3125rem;padding:.125rem .4375rem;border-radius:var(--radius-pill);background-color:rgba(255,255,255,.92);color:var(--primary-color);font-size:var(--fs-xs);line-height:var(--lh-tight);font-weight:700}.lib-info{flex:1;min-width:0;min-height:var(--lib-cover);display:flex;flex-direction:column}.lib-info-top{display:flex;align-items:flex-start;gap:.25rem}.lib-title{flex:1;min-width:0;font-size:var(--fs-h2);font-weight:700;color:var(--text-title);line-height:var(--lh-tight);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.lib-mark{color:var(--text-muted);flex-shrink:0;width:1.5rem;height:1.5rem;display:flex;align-items:center;justify-content:center;border-radius:50%;transition:color .2s ease,background-color .2s ease}.lib-mark .base-icon{width:1.125rem!important;height:1.125rem!important}.lib-mark.is-on{color:var(--primary-color);background:var(--primary-light)}.lib-meta{display:flex;flex-direction:column;align-items:flex-start;flex-wrap:wrap;gap:.25rem;margin-top:.375rem}.lib-meta-tag{padding:.125rem .4375rem;border-radius:var(--radius-pill);background-color:var(--primary-light);color:var(--primary-dark);font-size:var(--fs-xs);line-height:var(--lh-tight);font-weight:500}.lib-meta-num{color:var(--text-secondary);font-size:var(--fs-sm);line-height:var(--lh-base)}.lib-hl{display:inline-flex;align-items:center;align-self:flex-start;max-width:100%;width:auto;margin-top:auto;padding:.375rem .625rem;border-radius:var(--radius-pill);gap:.25rem;background-color:rgba(14,138,134,.1);color:var(--primary-color)}.lib-hl .base-icon{width:.875rem!important;height:.875rem!important;flex-shrink:0}.lib-hl-text{font-size:var(--fs-sm);line-height:var(--lh-base);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:0 1 auto}.hl-fill,.hl-grow{background-color:rgba(14,138,134,.1);color:var(--primary-color)}.hl-fill .lib-hl-text,.hl-grow .lib-hl-text{color:var(--primary-color)}.lib-empty{padding:var(--space-xl) 0;text-align:center}.lib-empty-text{color:var(--text-secondary);font-size:var(--fs-base)}.lib-no-more{padding:var(--space-lg) 0 var(--space-xl);text-align:center}.lib-no-more-text{color:var(--text-secondary);font-size:var(--fs-sm)}.mine-page-title,.mine-menu-title,.mine-header-action{display:none}.mine-header{position:relative;background:linear-gradient(90deg,var(--primary-color) 0%,var(--primary-color2) 100%);padding-top:env(safe-area-inset-top);padding-bottom:var(--space-md);overflow:hidden}.mine-user{display:flex;align-items:center;padding:var(--space-md) var(--space-md) var(--space-md)}.mine-avatar-wrap{position:relative;width:3.125rem;height:3.125rem;flex-shrink:0}.mine-avatar{width:3.125rem;height:3.125rem;border-radius:var(--radius-circle);border:.125rem solid var(--text-inverse);background-color:var(--primary-light)}.mine-vip{position:absolute;right:-.125rem;bottom:-.125rem;padding:.0625rem var(--space-xs);border-radius:var(--radius-btn);background:linear-gradient(90deg,var(--warning-color),var(--gold-color));color:var(--text-inverse);font-size:var(--fs-xs);font-weight:700;line-height:var(--lh-base)}.mine-user-info{margin-left:var(--space-md);flex:1;min-width:0}.mine-name{display:block;color:var(--text-inverse);font-size:var(--fs-h1);font-weight:700;line-height:var(--lh-base)}.mine-expire{display:block;margin-top:.125rem;font-size:var(--fs-sm);color:rgba(255,255,255,.88);line-height:var(--lh-base)}.mine-tags{display:flex;flex-wrap:wrap;align-items:center;margin-top:var(--space-xs)}.mine-tag{display:flex;align-items:center;height:var(--chip-h);padding:0 var(--space-sm);margin-right:var(--space-xs);margin-top:var(--space-xs);border-radius:var(--radius-btn)}.mine-tag-school{background-color:var(--bg-inverse-soft)}.mine-mobile{display:inline-flex;align-items:center;margin-right:var(--space-xs);margin-top:var(--space-xs);font-size:var(--fs-xs);color:rgba(255,255,255,.92);line-height:var(--chip-h);letter-spacing:.5px}.mine-tag-level{background-color:var(--gold-color);color:var(--gold-dark)}.mine-tag-normal{background-color:var(--bg-inverse-soft)}.mine-tag-text{margin-left:var(--space-xs);font-size:var(--fs-xs);color:var(--text-inverse);line-height:var(--lh-base);max-width:8.75rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mine-tag-level-text{color:var(--gold-dark)}.mine-tag-normal .mine-tag-level-text{color:var(--text-inverse)}.mine-wave{position:absolute;left:-20%;right:-20%;bottom:-1.5rem;height:3rem;background-color:var(--bg-page);border-radius:50%}.mine-body{position:relative;z-index:2;padding:0 var(--space-md) var(--space-md);margin-top:calc(0px - var(--space-lg))}.mine-stats{display:flex;flex-wrap:wrap;margin-left:calc(0px - var(--space-xs));margin-right:calc(0px - var(--space-xs))}.mine-stat{width:calc(50% - var(--space-sm));margin:0 var(--space-xs) var(--space-xs);padding:var(--space-sm) var(--space-xs)}.mine-stat-icon{width:1.5rem;height:1.5rem;border-radius:var(--radius-input);display:flex;align-items:center;justify-content:center}.mine-stat-label{display:block;margin-top:var(--space-xs);font-size:var(--fs-xs);color:var(--text-placeholder);line-height:var(--lh-base)}.mine-stat-value{display:block;margin-top:.125rem;font-size:var(--fs-h1);font-weight:700;color:var(--text-color);line-height:var(--lh-base)}.mine-radar-card{padding:var(--space-xs) var(--space-md);margin-bottom:var(--space-xs)}.mine-radar-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:.125rem}.mine-radar-title{font-size:var(--fs-h2);font-weight:700;color:var(--text-color);line-height:var(--lh-base)}.mine-info{color:var(--text-placeholder)}.radar-box{position:relative;width:var(--radar-size);height:var(--radar-size);margin:0 auto;overflow:hidden}.radar-canvas{display:block;max-width:100%;cursor:pointer}.mine-menu{padding:var(--space-xs) 0;margin-bottom:var(--space-sm)}.mine-menu-row{display:flex;align-items:center;padding:var(--space-sm) var(--space-md)}.mine-menu-row.is-last{border-bottom:0}.mine-menu-row+.mine-menu-row{border-top:var(--line) solid 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var(--space-sm));margin-bottom:var(--space-md);font-size:var(--fs-xs);color:var(--text-placeholder);line-height:var(--lh-base)}.help-contacts{display:flex}.help-contact{flex:1;display:flex;align-items:center;padding:var(--space-md)}.help-contact+.help-contact{margin-left:var(--space-sm)}.help-contact-icon{width:var(--mod-icon);height:var(--mod-icon);border-radius:var(--radius-circle);background-color:var(--tone-blue-bg);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff}.help-contact-icon.tone-teal{background-color:var(--primary-color);background-image:linear-gradient(145deg,var(--primary-color) 0%,var(--primary-color2) 100%);box-shadow:0 .25rem .4375rem -.25rem rgba(11,107,104,.42),inset 0 1px rgba(255,255,255,.38)}.help-contact-icon.tone-green{background-color:#52c41a;background-image:linear-gradient(145deg,#7ed957,#389e0d);box-shadow:0 .25rem .4375rem -.25rem rgba(56,158,13,.38),inset 0 1px rgba(255,255,255,.38)}.help-submit-wrap{display:flex;justify-content:center}.help-submit-btn{width:100%;height:var(--btn-lg-h);border-radius:var(--radius-pill)}.help-contact-info{margin-left:var(--space-sm);min-width:0}.help-contact-title{display:block;font-size:var(--fs-base);font-weight:700;color:var(--text-color);line-height:var(--lh-base)}.help-contact-sub{display:block;margin-top:var(--space-xs);font-size:var(--fs-h1);font-weight:600;color:var(--text-title);line-height:var(--lh-base)}.member-body{padding:var(--space-md)}.member-vip-card{padding:var(--space-md);margin-bottom:var(--space-md);border-radius:var(--radius-card);background:linear-gradient(90deg,var(--primary-color) 0%,var(--primary-color2) 100%)}.member-vip-top{display:flex;align-items:center}.member-avatar{width:var(--avatar-size);height:var(--avatar-size);border-radius:var(--radius-circle);border:var(--line) solid var(--text-inverse);background-color:var(--primary-light);flex-shrink:0}.member-vip-info{margin-left:var(--space-md);min-width:0}.member-name{display:block;color:var(--text-inverse);font-size:var(--fs-h1);font-weight:700;line-height:var(--lh-base)}.member-badge{display:inline-flex;align-items:center;margin-top:var(--space-xs);padding:0 var(--space-sm);height:var(--chip-h);border-radius:var(--radius-pill);background-color:var(--bg-inverse-soft)}.member-badge-text{margin-left:var(--space-xs);color:var(--text-inverse);font-size:var(--fs-sm);line-height:var(--lh-base)}.member-expire{display:block;margin-top:var(--space-xs);color:var(--text-inverse);font-size:var(--fs-xs);line-height:var(--lh-base);opacity:.88}.member-sec{margin-top:var(--space-sm)}.member-priv-grid{display:grid;grid-template-columns:1fr;gap:var(--space-sm);margin-bottom:var(--space-md)}.member-priv-item{display:flex;align-items:center;padding:.5rem .625rem;border:var(--line) solid var(--border-color)}.member-priv-icon{width:1.5rem;height:1.5rem;border-radius:.375rem;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:#fff}.member-priv-icon .base-icon{width:.875rem;height:.875rem}.member-priv-icon.tone-teal{background-color:#0e8a86;background-image:linear-gradient(145deg,#3dcec4 0%,var(--primary-color2) 100%);box-shadow:0 .25rem .4375rem -.25rem rgba(11,107,104,.42),inset 0 1px rgba(255,255,255,.38)}.member-priv-icon.tone-orange{background-color:#f5a623;background-image:linear-gradient(145deg,#ffc85a,#e08a00);box-shadow:0 .25rem .4375rem -.25rem rgba(224,138,0,.4),inset 0 1px rgba(255,255,255,.4)}.member-priv-icon.tone-green{background-color:#52c41a;background-image:linear-gradient(145deg,#7ed957,#389e0d);box-shadow:0 .25rem .4375rem -.25rem rgba(56,158,13,.38),inset 0 1px rgba(255,255,255,.38)}.member-priv-icon.tone-blue{background-color:#2f54eb;background-image:linear-gradient(145deg,#6f8dff,#1d39c4);box-shadow:0 .25rem .4375rem -.25rem rgba(47,84,235,.4),inset 0 1px rgba(255,255,255,.38)}.member-priv-info{flex:1;margin-left:.375rem;min-width:0}.member-priv-title{display:block;font-size:var(--fs-h2);font-weight:700;color:var(--text-title);line-height:1.35}.member-priv-desc{display:block;margin-top:.0625rem;font-size:var(--fs-sm);color:var(--text-secondary);line-height:1.4}.member-plans{display:flex;align-items:stretch;gap:var(--space-sm);margin-bottom:var(--space-md)}.member-plan{flex:1;position:relative;padding:.5625rem .375rem .4375rem;text-align:center;border:var(--line) solid var(--border-color);overflow:hidden}.member-plan.has-tag{padding-top:.5625rem}.member-plan.is-on{border-color:var(--primary-color);background-color:var(--primary-light)}.member-plan-tag{position:absolute;top:.25rem;right:.25rem;padding:0 .3125rem;height:1rem;border-radius:var(--radius-pill);background-color:var(--primary-color);color:var(--text-inverse);font-size:.625rem;font-weight:600;line-height:1rem}.member-plan-tag.is-hot{background-color:var(--warning-color)}.member-plan-name{display:block;font-size:var(--fs-xs);font-weight:600;color:var(--text-secondary);line-height:1.3}.member-plan.is-on .member-plan-name{color:var(--primary-dark)}.member-plan-price{display:flex;align-items:flex-end;justify-content:center;margin-top:.125rem}.member-plan-yen{font-size:var(--fs-xs);color:var(--primary-color);line-height:1.1;margin-bottom:.0625rem}.member-plan-num{font-size:var(--fs-h1);font-weight:700;color:var(--primary-color);line-height:1.1}.member-plan-tip{display:block;margin-top:.0625rem;font-size:var(--fs-xs);color:var(--text-placeholder);line-height:1.3}.member-plan-radio{width:.6875rem;height:.6875rem;margin:.3125rem auto 0;border-radius:50%;border:.09375rem solid var(--border-color);background:var(--bg-card);box-sizing:border-box}.member-plan-radio.is-on{border-color:var(--primary-color);background:var(--primary-color);box-shadow:inset 0 0 0 .125rem var(--bg-card)}.member-renew-wrap{display:flex;justify-content:center;margin-top:var(--space-xs)}.member-renew-btn{width:100%;height:var(--btn-lg-h);border-radius:var(--radius-pill)}.fav-body{padding:var(--space-md)}.fav-search{margin-bottom:var(--space-md)}.fav-search .base-input-wrap{border-radius:var(--radius-pill);border:var(--line) solid var(--border-color);box-shadow:none}.medal-body{padding:var(--space-md)}.medal-top{display:grid;grid-template-columns:1fr;gap:var(--space-sm);margin-bottom:var(--space-md);align-items:stretch}.medal-summary{display:flex;align-items:center;justify-content:space-between;padding:var(--space-md);margin-bottom:0;border:var(--line) solid var(--border-color);min-width:0}.medal-summary-main{display:flex;align-items:center;min-width:0}.medal-summary-icon{width:2.75rem;height:2.75rem;border-radius:var(--radius-circle);background-color:var(--primary-color);display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--text-inverse)}.medal-summary-icon .base-icon{width:1.375rem;height:1.375rem}.medal-summary-info{margin-left:var(--space-sm);min-width:0}.medal-summary-num-row{display:flex;align-items:baseline}.medal-summary-num{font-size:var(--fs-xl);font-weight:700;color:var(--text-title);line-height:var(--lh-tight)}.medal-summary-den{font-size:var(--fs-base);font-weight:500;color:var(--text-muted);line-height:var(--lh-tight)}.medal-summary-label{display:block;margin-top:var(--space-xs);font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base)}.medal-summary-side{text-align:right;flex-shrink:0;margin-left:var(--space-sm)}.medal-summary-pct{display:block;font-size:var(--fs-h1);font-weight:700;color:var(--primary-color);line-height:var(--lh-tight)}.medal-summary-hint{display:block;margin-top:var(--space-xs);font-size:var(--fs-xs);color:var(--text-muted);line-height:var(--lh-base)}.medal-next{display:flex;flex-direction:column;justify-content:center;padding:var(--space-md);margin-bottom:0;border:var(--line) solid var(--border-color);min-width:0}.medal-next-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-sm)}.medal-next-label{font-size:var(--fs-sm);color:var(--text-secondary);line-height:var(--lh-base)}.medal-next-name{font-size:var(--fs-h2);font-weight:700;color:var(--text-title);line-height:var(--lh-tight)}.medal-next-progress{display:block;margin-top:var(--space-xs);font-size:var(--fs-xs);color:var(--text-muted);line-height:var(--lh-base)}.medal-bar-track{height:.375rem;border-radius:var(--radius-pill);background-color:var(--bg-page);overflow:hidden}.medal-bar-fill{height:100%;width:100%;border-radius:var(--radius-pill);background-color:var(--primary-color);transform-origin:left center;transform:scaleX(0)}.mp-0{transform:scaleX(0)}.mp-10{transform:scaleX(.1)}.mp-20{transform:scaleX(.2)}.mp-30{transform:scaleX(.3)}.mp-40{transform:scaleX(.4)}.mp-50{transform:scaleX(.5)}.mp-60{transform:scaleX(.6)}.mp-70{transform:scaleX(.7)}.mp-80{transform:scaleX(.8)}.mp-90{transform:scaleX(.9)}.mp-100{transform:scaleX(1)}.medal-status-scroll{width:100%;white-space:nowrap;margin-bottom:var(--space-sm)}.medal-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--space-sm)}.medal-card{display:flex;flex-direction:column;align-items:center;text-align:center;min-width:0;box-sizing:border-box;padding:var(--space-md) var(--space-sm) var(--space-sm);background-color:var(--bg-card);border:none;box-shadow:var(--shadow-card);overflow:visible}.medal-card.is-got,.medal-card.is-locked{background-color:var(--bg-card)}.medal-card-copy{width:100%;min-width:0;margin-top:var(--space-sm)}.medal-card-name{display:block;font-size:var(--fs-h2);font-weight:700;color:var(--medal-title);line-height:var(--lh-tight);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.medal-card-desc,.medal-card-state{display:block;margin-top:var(--space-xs);font-size:var(--fs-xs);color:var(--medal-sub);line-height:var(--lh-base);white-space:normal;word-break:break-word}.medal-card-state.is-got{color:var(--primary-color);font-weight:600}.medal-card-progress{margin-top:var(--space-sm)}.medal-card-progress .medal-bar-track{max-width:100%;margin-left:auto;margin-right:auto;margin-bottom:var(--space-xs)}.medal-art{width:8.75rem;height:8.75rem;flex-shrink:0;display:flex;align-items:center;justify-content:center}.medal-art.size-md{width:5.5rem;height:5.5rem}.medal-art.size-lg{width:11.25rem;height:11.25rem;margin-bottom:var(--space-sm)}.medal-art-img{width:100%;height:100%}.medal-art.is-locked .medal-art-img{filter:grayscale(1);opacity:.32}.medal-art.is-empty{border-radius:var(--radius-card);background:radial-gradient(circle at 50% 42%,rgba(255,214,64,.95) 0 1.3125rem,transparent 1.375rem),linear-gradient(180deg,#7fe3d4 52%,#f4f7fa 52%);box-shadow:0 .375rem .875rem rgba(15,23,42,.08)}.medal-art.is-empty.is-locked{filter:grayscale(1);opacity:.55}.medal-sheet{padding:var(--space-lg) var(--space-md) var(--space-md)}.medal-detail{display:flex;flex-direction:column;align-items:center;text-align:center}.medal-detail-name{font-size:var(--fs-h1);font-weight:700;color:var(--medal-title);line-height:var(--lh-tight)}.medal-detail-desc{margin-top:var(--space-xs);font-size:var(--fs-base);color:var(--medal-sub);line-height:var(--lh-base)}.medal-detail-date{margin-top:var(--space-sm);font-size:var(--fs-sm);color:var(--medal-got);line-height:var(--lh-base)}.medal-detail-lock{width:100%;margin-top:var(--space-md)}.medal-detail-progress{display:block;margin-top:var(--space-xs);font-size:var(--fs-sm);color:var(--medal-sub);line-height:var(--lh-base)}.medal-detail-hint{display:block;margin-top:var(--space-xs);font-size:var(--fs-sm);color:var(--text-muted);line-height:var(--lh-base)}.medal-detail-btn{margin-top:var(--space-md);width:100%}@media screen and (max-width: 767px){.pc-only{display:none}.tabbar-inner{display:contents}.tab-menu{flex:1;display:flex;align-items:center;justify-content:space-between}.tab-login,.tab-user{display:none}}.reader-wrap{position:relative;min-height:100vh;height:100vh;overflow:hidden;background-color:var(--reader-desk);background-image:repeating-linear-gradient(90deg,transparent 0,transparent 11px,var(--reader-desk-grain) 11px,var(--reader-desk-grain) 12px);padding:0}.reader-close,.reader-nav{position:absolute;z-index:100;width:var(--icon-lg);height:var(--icon-lg);border-radius:var(--radius-circle);background-color:var(--bg-inverse-soft);display:flex;align-items:center;justify-content:center}.reader-close{top:calc(env(safe-area-inset-top) + var(--space-sm));left:var(--space-sm)}.reader-nav-prev{left:var(--space-xs);top:50%;margin-top:-.875rem}.reader-nav-next{right:var(--space-xs);top:50%;margin-top:-.875rem}.reader-nav.is-off{opacity:.28;pointer-events:none}.reader-stage{width:100%;height:100%;display:flex;align-items:center;justify-content:center;overflow:hidden}.reader-book-host{position:relative;z-index:1;touch-action:none}.magazine-viewport{position:relative;width:100%;height:100%;overflow:hidden}.magazine-viewport .container{position:relative;width:100%;height:100%}.magazine{position:relative;width:100%;height:100%;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.magazine.animated{transition:margin-left .5s}.magazine .turn-page,.magazine .page{background-color:var(--reader-page);background-repeat:no-repeat;background-size:100% 100%;background-position:center}.magazine .page-wrapper{overflow:hidden!important}.magazine .shadow{transition:box-shadow .5s;box-shadow:0 18px 48px rgba(40,24,8,.38)}.magazine .gradient{position:absolute;top:0;bottom:0;width:100%;pointer-events:none}.magazine .even .gradient{background:linear-gradient(to right,rgba(40,24,8,.18),rgba(40,24,8,0) 12px)}.magazine .odd .gradient{background:linear-gradient(to left,rgba(40,24,8,.18),rgba(40,24,8,0) 12px)}.drag-area{position:absolute;top:0;left:0;width:100%;height:100%;z-index:50;pointer-events:auto;touch-action:none}.reader-indicator{position:absolute;left:0;right:0;bottom:calc(env(safe-area-inset-bottom) + var(--space-sm));text-align:center;z-index:100;pointer-events:none}.reader-indicator-text{display:inline-block;padding:var(--space-xs) var(--space-md);border-radius:var(--radius-pill);background-color:var(--bg-inverse-soft);color:var(--text-inverse);font-size:var(--fs-xs)}.reader-fallback{padding:var(--space-lg)}.reader-fallback-text{color:var(--text-inverse);font-size:var(--fs-base)}html.reader-lock,html.reader-lock body{overflow:hidden;height:100%}.order-body{padding:var(--space-md)}.order-empty{display:flex;flex-direction:column;align-items:center;justify-content:center;padding:2.5rem 0 1.25rem}.order-empty-img{width:9.375rem}.order-empty-text{margin-top:var(--space-sm);color:var(--text-secondary);font-size:var(--fs-base);font-weight:700}.order-card{background:var(--bg-card);border-radius:var(--radius-card);overflow:hidden;margin-bottom:var(--space-md);box-shadow:0 .25rem .75rem rgba(15,23,42,.06)}.order-card-top{position:relative;display:flex;justify-content:flex-end;align-items:center;padding:.625rem .9375rem .625rem 0}.order-name{position:absolute;left:0;top:0;padding:0 .4375rem .4375rem 0}.order-name:after,.order-name:before{content:"";position:absolute;width:.4375rem;height:.4375rem;background-repeat:no-repeat;background-size:.4375rem}.order-name:after{top:0;right:0;background-image:url(https://hydoss.readerchoice.cn/static/arr-l.png)}.order-name:before{bottom:0;left:0;background-image:url(https://hydoss.readerchoice.cn/static/arr-b.png)}.order-name-bg{display:block;background:#fd9707;font-size:.875rem;color:#fff;padding:.3125rem .625rem;border-radius:0 0 .625rem;max-width:11.25rem;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.order-time{display:flex;align-items:center}.order-time-icon{width:.625rem;height:.625rem;margin-right:.1875rem}.order-time-text{font-size:.75rem;color:var(--text-secondary)}.order-card-cent{display:flex;justify-content:space-between;align-items:center;padding:.3125rem .9375rem .9375rem}.order-money{display:flex;align-items:baseline}.order-rmb{font-size:.9375rem;color:var(--primary-color)}.order-price{font-size:1.5rem;font-weight:600;color:var(--primary-color)}.order-actions{display:flex;align-items:center}.order-btn-pay,.order-btn-del{height:1.875rem;line-height:1.875rem;width:4.375rem;text-align:center;font-size:.75rem}.order-btn-pay{border:1px solid var(--primary-color);border-radius:3.125rem 0 0 3.125rem;color:var(--primary-color);background:#fff}.order-btn-pay.is-plain{opacity:.7}.order-btn-del{border-radius:0 3.125rem 3.125rem 0;background:var(--primary-color);color:#fff;border:1px solid var(--primary-color)}.order-refund-sheet{width:86%;max-width:20rem;padding:var(--space-lg);border-radius:var(--radius-card);background:var(--bg-card)}.order-refund-title{display:block;font-size:var(--fs-h3);font-weight:700;color:var(--text-title);margin-bottom:var(--space-md)}.order-refund-input{width:100%;min-height:5rem;padding:var(--space-sm);border:1px solid var(--border-color);border-radius:var(--radius-btn);box-sizing:border-box;font-size:var(--fs-base)}.order-refund-btns{display:flex;justify-content:flex-end;gap:var(--space-sm);margin-top:var(--space-md)}.order-refund-cancel,.order-refund-ok{height:2.25rem;line-height:2.25rem;padding:0 var(--space-lg);border-radius:var(--radius-pill);font-size:var(--fs-base)}.order-refund-cancel{background:var(--bg-muted);color:var(--text-secondary)}.order-refund-ok{background:var(--primary-color);color:#fff}.page-wrap{background:radial-gradient(28.125rem 19.375rem at 92% -10%,rgba(14,138,134,.06),rgba(14,138,134,0) 62%),radial-gradient(23.75rem 17.5rem at -8% 22%,rgba(61,191,208,.05),rgba(61,191,208,0) 58%),var(--bg-page)}@media screen and (max-width: 767px){.teacher-app{--t-primary: #0891B2;--t-primary-dark: #0E7490;--t-primary-light: #E0F7FA;--t-accent: #F97316;--t-accent-light: #FFF7ED;--t-bg: #F8FAFC;--t-white: #FFFFFF;--t-gray-50: #F8FAFC;--t-gray-100: #F1F5F9;--t-gray-200: #E2E8F0;--t-gray-300: #CBD5E1;--t-gray-400: #94A3B8;--t-gray-500: #64748B;--t-gray-600: #475569;--t-gray-700: #334155;--t-gray-800: #1E293B;--t-gray-900: #0F172A;--t-text-title: var(--t-gray-900);--t-text-body: var(--t-gray-800);--t-text-secondary: var(--t-gray-500);--t-text-muted: var(--t-gray-400);--t-green: #10B981;--t-green-light: #D1FAE5;--t-red: #EF4444;--t-red-light: #FEE2E2;--t-yellow: #F59E0B;--t-yellow-light: #FEF3C7;--t-blue: #3B82F6;--t-purple: #8B5CF6;--t-sidebar-w: 16.25rem;display:flex;flex-direction:column;height:100vh;overflow:hidden;background:var(--t-bg);color:var(--t-text-body);font-size:var(--fs-base);line-height:var(--lh-base)}.teacher-sidebar-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:var(--mask-color);z-index:998}.teacher-sidebar{position:fixed;top:0;left:0;bottom:0;width:var(--t-sidebar-w);background:var(--t-white);border-right:.03125rem solid var(--t-gray-200);display:flex;flex-direction:column;z-index:999;transform:translate(-100%);transition:transform .28s ease}.teacher-sidebar.is-open{transform:translate(0)}.teacher-sidebar-logo{padding:var(--space-md);border-bottom:.03125rem solid var(--t-gray-200);display:flex;align-items:center;gap:var(--space-sm)}.teacher-logo-icon{width:2.25rem;height:2.25rem;border-radius:var(--radius-input);object-fit:contain;flex-shrink:0}.teacher-logo-text{display:flex;flex-direction:column}.teacher-logo-main{font-size:var(--fs-base);font-weight:700;color:var(--t-gray-800)}.teacher-logo-sub{font-size:var(--fs-xs);color:var(--t-gray-500);margin-top:.125rem}.teacher-sidebar-nav{flex:1;height:0;padding:var(--space-sm) 0;overflow-x:hidden;overflow-y:auto;scrollbar-width:thin;scrollbar-color:rgba(8,145,178,.35) transparent}.teacher-sidebar-nav::-webkit-scrollbar{width:6px}.teacher-sidebar-nav::-webkit-scrollbar-track{background:transparent}.teacher-sidebar-nav::-webkit-scrollbar-thumb{background:rgba(8,145,178,.35);border-radius:6px}.teacher-logout{display:flex;align-items:center;gap:var(--space-sm);padding:.75rem var(--space-md);margin-top:auto;border-top:.03125rem solid var(--t-gray-200);color:var(--t-gray-600);font-size:var(--fs-base)}.teacher-nav-item{display:flex;align-items:center;gap:var(--space-sm);padding:.75rem var(--space-md);color:var(--t-gray-600);font-size:var(--fs-base);border-left:.1875rem solid transparent}.teacher-nav-item.active{background:var(--t-primary-light);color:var(--t-primary);border-left-color:var(--t-primary);font-weight:600}.teacher-nav-icon{width:1.25rem;text-align:center;font-size:var(--fs-lg)}.teacher-main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.teacher-topbar{height:3.125rem;background:var(--t-white);border-bottom:.03125rem solid var(--t-gray-200);display:flex;align-items:center;justify-content:space-between;padding:0 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.uni-input-input{width:100%;height:100%!important;min-height:2.625rem;line-height:1.4;font-size:inherit;color:inherit;background:transparent;border:0;outline:none;padding:0;margin:0}.teacher-input:focus-within,.teacher-textarea:focus{border-color:var(--t-primary);box-shadow:0 0 0 .1875rem var(--t-primary-light)}.teacher-textarea{height:auto;min-height:5rem;line-height:var(--lh-base);padding-top:.5625rem;padding-bottom:.5625rem}.teacher-select{position:relative;display:block;min-height:2.625rem;padding:0;border:0;background:transparent}.teacher-select-trigger{display:flex;align-items:center;justify-content:space-between;gap:var(--space-xs);min-height:2.625rem;padding:0 .75rem;border:.0625rem solid 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.uni-picker-item.selected{color:#0891b2!important;background:#e0f7fa!important;font-weight:600!important}.uni-picker-action-confirm{color:#0891b2!important}.uni-picker-view-indicator{background:transparent!important;border:0!important}.uni-picker-view-indicator:before,.uni-picker-view-indicator:after{border-color:rgba(14,138,134,.35)!important;color:rgba(14,138,134,.35)!important}.uni-picker-container,.uni-picker-toggle.uni-picker-custom,.uni-mask.uni-picker-mask{z-index:3200!important}.teacher-select-custom{position:relative;z-index:1}.teacher-select-custom.is-open{z-index:1600}.teacher-filter-bar .teacher-select-custom{min-width:6.25rem;flex:1}.teacher-filter-bar .teacher-btn{height:2.625rem;min-height:2.625rem;padding:0 .875rem;flex-shrink:0}.teacher-select-dropdown{display:flex!important;flex-direction:column!important;flex-wrap:nowrap!important;align-items:stretch!important;justify-content:flex-start!important;z-index:3300;overflow-x:hidden!important;overflow-y:auto;padding:8px!important;background:#fff!important;border:1px solid #E5E7EB!important;border-radius:12px!important;box-shadow:0 8px 24px rgba(15,23,42,.12)!important;box-sizing:border-box}.teacher-select-option{display:block!important;flex:none!important;width:100%!important;padding:12px 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rgba(255,255,255,.16);text-align:center}.base-footer.footer-mobile-show .copy-text{font-size:11px;letter-spacing:.5px}.base-footer.footer-mobile-show .footer-business-qr{width:88px;height:88px}.base-footer.footer-mobile-show .footer-business-qr-row{display:flex;flex-direction:column;align-items:center}.base-footer.footer-mobile-show .footer-biz-hd,.base-footer.footer-mobile-show .footer-biz-row{display:flex;justify-content:center}}@media screen and (min-width: 768px){.teacher-app{--t-primary: #0891B2;--t-primary-dark: #0E7490;--t-primary-light: #E0F7FA;--t-accent: #F97316;--t-accent-light: #FFF7ED;--t-bg: #F8FAFC;--t-white: #FFFFFF;--t-gray-50: #F8FAFC;--t-gray-100: #F1F5F9;--t-gray-200: #E2E8F0;--t-gray-300: #CBD5E1;--t-gray-400: #94A3B8;--t-gray-500: #64748B;--t-gray-600: #475569;--t-gray-700: #334155;--t-gray-800: #1E293B;--t-gray-900: #0F172A;--t-text-title: var(--t-gray-900);--t-text-body: var(--t-gray-800);--t-text-secondary: var(--t-gray-500);--t-text-muted: var(--t-gray-400);--t-green: #10B981;--t-green-light: #D1FAE5;--t-red: #EF4444;--t-red-light: #FEE2E2;--t-yellow: #F59E0B;--t-yellow-light: #FEF3C7;--t-blue: #3B82F6;--t-purple: #8B5CF6;--t-sidebar-w: 15rem;display:flex;height:100vh;overflow:hidden;background:var(--t-bg);color:var(--t-text-body);font-size:var(--fs-base);line-height:var(--lh-base)}.teacher-sidebar-mask{display:none}.teacher-sidebar{width:var(--t-sidebar-w);background:var(--t-white);border-right:.03125rem solid var(--t-gray-200);display:flex;flex-direction:column;flex-shrink:0;position:relative;z-index:10}.teacher-sidebar-logo{padding:var(--space-md);border-bottom:.03125rem solid 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var(--space-md);margin:var(--space-sm);border-top:.03125rem solid var(--t-gray-200);color:var(--t-gray-600);font-size:var(--fs-base);cursor:pointer}.teacher-logout:hover{color:var(--t-red);background:var(--t-red-light);border-radius:var(--radius-input)}.teacher-nav-item{display:flex;align-items:center;gap:var(--space-sm);padding:.6875rem var(--space-md);color:var(--t-gray-600);font-size:var(--fs-base);border-left:.1875rem solid transparent;margin:.125rem 0;cursor:pointer}.teacher-nav-item:hover,.teacher-nav-item.active{background:var(--t-primary-light);color:var(--t-primary)}.teacher-nav-item.active{border-left-color:var(--t-primary);font-weight:600}.teacher-nav-icon{width:1.25rem;text-align:center;font-size:var(--fs-lg)}.teacher-nav-label{flex:1}.teacher-main{flex:1;display:flex;flex-direction:column;overflow:hidden;min-width:0}.teacher-topbar{height:3.75rem;background:var(--t-white);border-bottom:.03125rem solid var(--t-gray-200);display:flex;align-items:center;justify-content:space-between;padding:0 var(--space-lg);flex-shrink:0}.teacher-topbar-left{display:flex;align-items:center;gap:var(--space-sm)}.teacher-menu-btn{display:none}.teacher-breadcrumb{font-size:var(--fs-h2);font-weight:600;color:var(--t-gray-800)}.teacher-topbar-right{display:flex;align-items:center;gap:var(--space-md)}.teacher-bell{position:relative;cursor:pointer}.teacher-bell-badge{position:absolute;top:-.25rem;right:-.375rem;background:var(--t-red);color:var(--t-white);font-size:var(--fs-xs);width:1rem;height:1rem;border-radius:var(--radius-circle);display:flex;align-items:center;justify-content:center}.teacher-user{display:flex;align-items:center;gap:var(--space-sm)}.teacher-user-name{font-size:var(--fs-base);color:var(--t-gray-700)}.teacher-user-avatar{width:2.125rem;height:2.125rem;border-radius:var(--radius-circle);background:linear-gradient(135deg,var(--t-primary),#06B6D4);color:var(--t-white);display:flex;align-items:center;justify-content:center;font-weight:600;font-size:var(--fs-base)}.teacher-content{flex:1;height:0;padding:var(--space-lg);box-sizing:border-box}.teacher-page-title{font-size:var(--fs-xl);font-weight:700;color:var(--t-text-title);line-height:var(--lh-tight);margin-bottom:var(--space-md);display:block}.teacher-stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--space-md);margin-bottom:var(--space-lg)}.teacher-dash-page-title{display:block;font-size:22px;font-weight:700;color:var(--t-text-title);line-height:var(--lh-tight);margin-bottom:var(--space-md)}.teacher-dash-top{display:grid;grid-template-columns:minmax(320px,.9fr) minmax(0,1.6fr);gap:var(--space-md);margin-bottom:var(--space-md);align-items:stretch}.teacher-dash-overview{display:flex;align-items:center;gap:24px;margin-bottom:0;min-height:280px}.teacher-dash-people{display:flex;flex-direction:column;align-items:flex-start;gap:18px;flex-shrink:0;min-width:108px}.teacher-dash-user{width:56px;height:56px;border-radius:16px;background:var(--t-primary-light);color:var(--t-primary);display:flex;align-items:center;justify-content:center}.teacher-dash-metric{display:flex;flex-direction:column;gap:4px}.teacher-dash-num{font-size:32px;font-weight:700;color:var(--t-text-title);line-height:1.1}.teacher-dash-cap{font-size:14px;color:var(--t-text-secondary)}.teacher-dash-pie-wrap{flex:1;min-width:0;display:flex;align-items:center;justify-content:center}.teacher-dash-pie-box{position:relative;width:220px;height:220px;max-width:100%}.teacher-dash-pie{width:100%;height:100%;display:block}.teacher-dash-pie-tag{position:absolute;transform:translate(-50%,-50%);display:flex;flex-direction:column;align-items:center;pointer-events:none;text-align:center;width:72px}.teacher-dash-pie-name,.teacher-dash-pie-num{color:#fff;font-size:11px;font-weight:600;line-height:1.2;text-shadow:0 1px 2px rgba(15,23,42,.25)}.teacher-dash-pie-num{font-size:13px}.teacher-dash-trend{margin-bottom:0;display:flex;flex-direction:column;min-height:280px}.teacher-dash-trend .teacher-chart-area{flex:1;height:auto;min-height:260px}.teacher-dash-hint{display:block;font-size:15px;font-weight:600;color:var(--t-text-title);margin:0 0 10px;line-height:1.4}.teacher-dash-bottom{display:grid;grid-template-columns:minmax(0,1.7fr) minmax(180px,.55fr) minmax(220px,.7fr);gap:var(--space-md);align-items:stretch}.teacher-dash-skills{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md)}.teacher-skill-card{margin-bottom:0;display:grid;grid-template-columns:1fr auto;grid-template-rows:auto 1fr;grid-template-areas:"icon stats" "title stats";align-items:start;gap:10px 14px;min-height:108px;cursor:pointer}.teacher-skill-icon{grid-area:icon;width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center}.teacher-skill-icon.tone-listening{background:#e0f2fe;color:#0284c7}.teacher-skill-icon.tone-speaking{background:#e0f7fa;color:#0891b2}.teacher-skill-icon.tone-read{background:#ecfdf5;color:#059669}.teacher-skill-icon.tone-write{background:#eff6ff;color:#2563eb}.teacher-skill-icon.tone-vocab{background:#f3e8ff;color:#7c3aed}.teacher-skill-title{grid-area:title;align-self:end;font-size:16px;font-weight:700;color:var(--t-text-title)}.teacher-skill-stats{grid-area:stats;grid-row:1 / span 2;display:flex;flex-direction:column;align-items:flex-end;justify-content:center;gap:10px;align-self:center}.teacher-skill-col,.teacher-vocab-row{display:flex;flex-direction:column;align-items:flex-end;gap:2px}.teacher-skill-val{font-size:22px;font-weight:700;color:var(--t-text-title);line-height:1.15}.teacher-skill-lab{font-size:12px;color:var(--t-text-secondary)}.teacher-vocab-card{margin-bottom:0;display:flex;flex-direction:column;justify-content:space-between;align-self:stretch;gap:18px;cursor:pointer}.teacher-vocab-head{display:flex;align-items:center;gap:10px}.teacher-vocab-stats{display:flex;flex-direction:column;justify-content:flex-end;align-items:flex-end;gap:10px}.teacher-vocab-row{align-items:flex-end}.teacher-dash-quick{margin-bottom:0;display:flex;flex-direction:column}.teacher-quick-stack{display:flex;flex-direction:column;gap:16px;flex:1;justify-content:center}.teacher-quick-stack .teacher-btn{width:100%;justify-content:center;height:48px}.teacher-stat-card{background:var(--t-white);border-radius:var(--radius-card);padding:var(--space-md);box-shadow:var(--shadow-card);border:.03125rem solid var(--t-gray-100)}.teacher-stat-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-sm)}.teacher-stat-icon{width:2.625rem;height:2.625rem;border-radius:var(--radius-btn);display:flex;align-items:center;justify-content:center;font-size:var(--fs-h2)}.teacher-stat-icon.tone-blue{background:var(--t-primary-light)}.teacher-stat-icon.tone-green{background:var(--t-green-light)}.teacher-stat-icon.tone-orange{background:var(--t-accent-light)}.teacher-stat-icon.tone-purple{background:#ede9fe}.teacher-stat-change{font-size:var(--fs-xs);padding:.125rem .5rem;border-radius:1.25rem}.teacher-stat-change.up{background:var(--t-green-light);color:var(--t-green)}.teacher-stat-change.down{background:var(--t-red-light);color:var(--t-red)}.teacher-stat-value{font-size:var(--fs-display);font-weight:700;color:var(--t-text-title);line-height:var(--lh-tight)}.teacher-stat-unit{font-size:var(--fs-base);color:var(--t-text-secondary);font-weight:400}.teacher-stat-label{font-size:var(--fs-sm);color:var(--t-text-secondary);margin-top:.25rem}.teacher-card{background:var(--t-white);border-radius:var(--radius-card);padding:var(--space-md);box-shadow:var(--shadow-card);border:.03125rem solid var(--t-gray-100);margin-bottom:var(--space-md)}.teacher-card-title{font-size:var(--fs-lg);font-weight:600;color:var(--t-text-title);margin-bottom:var(--space-sm);display:flex;justify-content:space-between;align-items:center}.teacher-card-sub{font-size:var(--fs-xs);color:var(--t-gray-400);font-weight:400}.teacher-grid-2{display:grid;grid-template-columns:2fr 1fr;gap:var(--space-md);margin-bottom:var(--space-md)}.teacher-grid-equal{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-md);margin-bottom:var(--space-md)}.teacher-quick-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}.teacher-chart-area{height:16.25rem;width:100%;display:flex;flex-direction:column}.teacher-trend{flex:1;width:100%;min-height:0;position:relative;display:flex;flex-direction:column}.teacher-trend-canvas-wrap{flex:1;width:100%;min-height:0;overflow:hidden;position:relative}.teacher-trend-canvas{display:block;flex:none;max-width:100%;cursor:crosshair}.teacher-trend-legend{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px 18px;padding:6px 8px 2px;flex-shrink:0;-webkit-user-select:none;user-select:none}.teacher-trend-legend-item{display:inline-flex;align-items:center;gap:6px;cursor:pointer;opacity:1;transition:opacity .15s 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.875rem;background:var(--t-white);border-radius:var(--radius-card)}.teacher-chip-line{display:flex;align-items:center;width:100%;margin-top:.625rem}.teacher-chip-line:first-child{margin-top:0}.teacher-chip-label{flex-shrink:0;width:5.5rem;padding-right:.5rem;font-size:var(--fs-base);font-weight:600;color:var(--t-gray-800);line-height:2.25rem}.teacher-chip-label-spacer{visibility:hidden}.teacher-chip-scroll{flex:1;width:0;white-space:nowrap;height:2.5rem}.teacher-chip-inner{display:inline-flex;align-items:center;height:2.5rem}.teacher-chip{display:inline-flex;align-items:center;justify-content:center;height:2.25rem;padding:0 1.125rem;margin-right:.625rem;border-radius:31.21875rem;font-size:var(--fs-base);font-weight:500;white-space:nowrap;flex-shrink:0;line-height:1}.teacher-chip.is-on{background:var(--t-primary);color:var(--t-white)}.teacher-chip.is-off{background:transparent;color:var(--t-gray-800);padding:0 .875rem}.teacher-chip.is-off:hover{color:var(--t-primary)}.teacher-resource-empty{padding:var(--space-xl) 0;text-align:center;color:var(--t-gray-400);font-size:var(--fs-base)}.teacher-resource-more{padding:20px 0 12px;text-align:center}.teacher-resource-more-loading,.teacher-resource-more-end{font-size:13px;color:var(--t-gray-400, #94a3b8)}.teacher-select,.teacher-input,.teacher-textarea{width:100%;padding:0 .875rem;border:.0625rem solid var(--t-gray-200);border-radius:var(--radius-input);font-size:var(--fs-base);background:var(--t-white);color:var(--t-gray-700);box-sizing:border-box;transition:border-color .2s ease,box-shadow .2s ease}.teacher-input,.teacher-textarea{min-height:2.75rem;height:2.75rem;line-height:2.75rem}.teacher-input{display:flex;align-items:center;padding-top:0;padding-bottom:0}.teacher-input .uni-input-wrapper{width:100%;height:100%;display:flex;align-items:center}.teacher-input .uni-input-input{width:100%;height:100%!important;min-height:2.75rem;line-height:1.4;font-size:inherit;color:inherit;background:transparent;border:0;outline:none;padding:0;margin:0}.teacher-input:focus-within,.teacher-textarea:focus{border-color:var(--t-primary);box-shadow:0 0 0 .1875rem var(--t-primary-light)}.teacher-textarea{height:auto;min-height:5rem;line-height:var(--lh-base);padding-top:.625rem;padding-bottom:.625rem}.teacher-select{position:relative;display:block;min-height:2.75rem;padding:0;border:0;background:transparent;cursor:pointer}.teacher-select-trigger{display:flex;align-items:center;justify-content:space-between;gap:var(--space-sm);min-height:2.75rem;padding:0 .875rem;border:.0625rem solid var(--t-gray-200);border-radius:var(--radius-input);background:var(--t-white);color:var(--t-gray-700);font-size:var(--fs-base);box-sizing:border-box;transition:border-color .2s ease,box-shadow .2s ease}.teacher-select:hover .teacher-select-trigger{border-color:var(--t-primary)}.teacher-select-text{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;line-height:1.4}.teacher-select-arrow{flex-shrink:0;width:.5rem;height:.5rem;border-right:.09375rem solid var(--t-gray-400);border-bottom:.09375rem solid var(--t-gray-400);transform:rotate(45deg) translateY(-.125rem);transition:transform .2s ease}.teacher-select-arrow.is-open{transform:rotate(225deg) translateY(-.125rem)}.teacher-select>uni-view:not(.teacher-select-trigger):not(.teacher-select-dropdown):not(.teacher-select-sheet-mask){display:flex;align-items:center;min-height:2.75rem;padding:0 1.75rem 0 .875rem;border:.0625rem solid 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.25rem!important;border-radius:.375rem;text-align:left!important;font-size:14px!important;line-height:1.4!important;color:#475569!important;font-weight:400!important;cursor:pointer;transition:background-color .15s ease,color .15s ease}.uni-picker-select .uni-picker-item:hover{background:#f8fafc!important;color:#0f172a!important}.uni-picker-select .uni-picker-item.selected{color:#0891b2!important;background:#e0f7fa!important;font-weight:600!important}.uni-picker-view-indicator{background:transparent!important;border:0!important;border-radius:0}.uni-picker-view-indicator:before,.uni-picker-view-indicator:after{border-color:rgba(8,145,178,.35)!important;color:rgba(8,145,178,.35)!important}.uni-picker-container,.uni-picker-toggle.uni-picker-custom,.uni-mask.uni-picker-mask{z-index:3200!important}.teacher-select-custom{position:relative;z-index:1}.teacher-select-custom.is-open{z-index:1600}.teacher-filter-bar .teacher-select-custom{width:auto;min-width:7.5rem}.teacher-filter-bar .teacher-btn{height:2.75rem;min-height:2.75rem;padding:0 1.125rem;flex-shrink:0}.teacher-select-dropdown{display:flex!important;flex-direction:column!important;flex-wrap:nowrap!important;align-items:stretch!important;justify-content:flex-start!important;z-index:3300;overflow-x:hidden!important;overflow-y:auto;padding:8px!important;background:#fff!important;border:1px solid #E5E7EB!important;border-radius:12px!important;box-shadow:0 8px 24px rgba(15,23,42,.12)!important;box-sizing:border-box}.teacher-select-option{display:block!important;flex:none!important;width:100%!important;padding:12px 14px!important;margin:0!important;border-radius:8px!important;color:#475569!important;font-size:14px!important;line-height:1.5!important;cursor:pointer;transition:background-color .15s ease,color .15s ease;box-sizing:border-box;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.teacher-select-option:hover{background:#f1f5f9!important;color:#0f172a!important}.teacher-select-option.selected{background:#e0f7fa!important;color:#0891b2!important;font-weight:600!important}.teacher-select-option-text{display:block!important;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:inherit!important}.teacher-table-wrap{overflow-x:auto}.teacher-table{width:100%;border-collapse:collapse;font-size:var(--fs-base)}.teacher-tr{display:flex;align-items:center}.teacher-tr .teacher-th,.teacher-tr .teacher-td{flex:1;min-width:0}.teacher-tr .teacher-th.wide,.teacher-tr .teacher-td.wide{flex:1.6}.teacher-th{background:var(--t-gray-50);padding:var(--space-sm) var(--space-sm);text-align:left;font-weight:600;color:var(--t-gray-600);border-bottom:.03125rem solid var(--t-gray-200);white-space:nowrap;font-size:var(--fs-sm)}.teacher-td{padding:.875rem var(--space-sm);border-bottom:.03125rem solid var(--t-gray-100);color:var(--t-gray-700);font-size:var(--fs-sm)}.teacher-progress-bar{height:.5rem;background:var(--t-gray-200);border-radius:.25rem;overflow:hidden;width:6.25rem;display:inline-block;vertical-align:middle}.teacher-progress-fill{height:100%;border-radius:.25rem}.teacher-progress-fill.blue{background:var(--t-primary)}.teacher-progress-fill.green{background:var(--t-green)}.teacher-progress-fill.orange{background:var(--t-accent)}.teacher-progress-text{font-size:var(--fs-xs);color:var(--t-gray-500);margin-left:.5rem}.teacher-status{display:inline-flex;align-items:center;font-size:var(--fs-xs);padding:.1875rem .625rem;border-radius:1.25rem}.teacher-status.active{background:var(--t-green-light);color:var(--t-green)}.teacher-status.pending{background:var(--t-yellow-light);color:var(--t-yellow)}.teacher-status.closed{background:var(--t-gray-100);color:var(--t-gray-500)}.teacher-status.overdue{background:var(--t-red-light);color:var(--t-red)}.teacher-rank-item{display:flex;align-items:center;gap:var(--space-sm);padding:var(--space-xs) 0;border-bottom:.03125rem solid 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var(--space-md)}.teacher-rank-avatar{width:2rem;height:2rem;border-radius:var(--radius-circle);display:flex;align-items:center;justify-content:center;font-size:var(--fs-xs);font-weight:600;color:var(--t-white)}.teacher-rank-info{flex:1}.teacher-rank-name{font-size:var(--fs-base);font-weight:500;display:block}.teacher-rank-level{font-size:var(--fs-xs);color:var(--t-gray-500)}.teacher-rank-value{font-size:var(--fs-base);font-weight:600;color:var(--t-primary)}.teacher-radar-wrap{display:flex;justify-content:center;align-items:stretch;padding:var(--space-md) 0;height:20rem;width:100%;box-sizing:border-box}.teacher-ability-bar{width:100%;height:100%;min-height:0;position:relative;overflow:hidden}.teacher-ability-bar-canvas{display:block;max-width:100%;cursor:pointer}.teacher-tabs{display:flex;margin-bottom:var(--space-md);border-bottom:.125rem solid var(--t-gray-200)}.teacher-tab-item{padding:.625rem .875rem;font-size:1.125rem;font-weight:500;color:var(--t-gray-500);border-bottom:.125rem solid transparent;margin-bottom:-.125rem;cursor:pointer;white-space:nowrap;flex-shrink:0}.teacher-tab-item.active{color:var(--t-primary);border-bottom-color:var(--t-primary);font-weight:600}.teacher-form-group{margin-bottom:var(--space-sm)}.teacher-form-label{display:block;font-size:var(--fs-sm);font-weight:600;color:var(--t-gray-700);margin-bottom:.375rem}.teacher-form-row{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-sm)}.teacher-ai-preview{background:var(--t-gray-50);border-radius:var(--radius-btn);padding:var(--space-md);margin-top:var(--space-sm);border:.03125rem solid var(--t-gray-200)}.teacher-q-item{margin-bottom:var(--space-sm);padding-bottom:var(--space-sm);border-bottom:.03125rem dashed var(--t-gray-200)}.teacher-q-item:last-child{border-bottom:none;margin-bottom:0;padding-bottom:0}.teacher-q-num{font-size:var(--fs-xs);color:var(--t-primary);font-weight:600;margin-bottom:.25rem;display:block}.teacher-q-text{font-size:var(--fs-base);color:var(--t-gray-800);margin-bottom:var(--space-xs);display:block}.teacher-q-options{font-size:var(--fs-sm);color:var(--t-gray-600);padding-left:var(--space-md)}.teacher-q-answer{font-size:var(--fs-xs);color:var(--t-green);margin-top:.375rem;font-weight:600}.teacher-search-bar{display:flex;align-items:center;height:2.375rem;background:var(--t-white);border:.03125rem solid var(--t-gray-200);border-radius:var(--radius-btn);padding:.1875rem .1875rem .1875rem var(--space-sm);margin-bottom:var(--space-sm);box-sizing:border-box;gap:.25rem}.teacher-search-input{flex:1;min-width:0;height:100%;border:none;padding:0 var(--space-sm);font-size:var(--fs-base);background:transparent;line-height:1}.teacher-search-btn{flex-shrink:0;display:flex;align-items:center;justify-content:center;min-width:2.75rem;height:100%;padding:0 .875rem;border-radius:calc(var(--radius-btn) - .0625rem);background:var(--t-primary);color:var(--t-white);font-size:var(--fs-sm);font-weight:600;line-height:1;cursor:pointer}.teacher-search-btn:hover{opacity:.92}.teacher-zone-grid{display:grid;grid-template-columns:repeat(6,1fr);gap:var(--space-sm);margin-bottom:var(--space-md)}.teacher-zone-card{background:var(--t-white);border-radius:var(--radius-card);padding:var(--space-md) var(--space-sm);text-align:center;box-shadow:var(--shadow-card);border:.03125rem solid var(--t-gray-100)}.teacher-zone-card:hover{border-color:var(--t-primary);box-shadow:0 .25rem .75rem rgba(0,0,0,.1)}.teacher-zone-card.is-on{border-color:var(--t-primary);box-shadow:0 0 0 .0625rem var(--t-primary)}.teacher-zone-icon{width:3.125rem;height:3.125rem;border-radius:var(--radius-card);display:flex;align-items:center;justify-content:center;font-size:var(--fs-xl);margin:0 auto var(--space-xs)}.teacher-zone-icon.tone-primary{background:var(--t-primary-light)}.teacher-zone-icon.tone-accent{background:var(--t-accent-light)}.teacher-zone-icon.tone-green{background:var(--t-green-light)}.teacher-zone-icon.tone-purple{background:#ede9fe}.teacher-zone-icon.tone-yellow{background:var(--t-yellow-light)}.teacher-zone-icon.tone-pink{background:#fce7f3}.teacher-zone-name{font-size:var(--fs-sm);font-weight:600;color:var(--t-text-title);display:block}.teacher-zone-count{font-size:var(--fs-xs);color:var(--t-text-secondary);margin-top:.25rem;display:block}.teacher-resource-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(16.25rem,1fr));gap:var(--space-md)}.teacher-resource-card{background:var(--t-white);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-card);border:.03125rem solid var(--t-gray-100)}.teacher-resource-cover{display:flex;align-items:center;justify-content:center;font-size:2.5rem;overflow:hidden;background:#f1f5f9}.teacher-resource-cover-img{width:100%;height:100%;display:block}.teacher-resource-body{padding:var(--space-sm)}.teacher-resource-title{font-size:var(--fs-base);font-weight:600;color:var(--t-text-title);margin-bottom:var(--space-xs);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.teacher-resource-tags{display:flex;gap:.375rem;flex-wrap:wrap;margin-bottom:var(--space-xs)}.teacher-resource-tag{font-size:var(--fs-xs);padding:.125rem 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var(--t-gray-100);cursor:pointer}.teacher-class-card.is-menu-open{z-index:20}.teacher-class-head{display:flex;align-items:flex-start;justify-content:space-between;gap:.375rem;margin-bottom:var(--space-sm)}.teacher-class-name{display:flex;align-items:center;gap:.25rem;min-width:0;flex:1;font-size:var(--fs-h2);font-weight:600;margin-bottom:0}.teacher-class-name .svg-icon{color:inherit}.teacher-class-more{flex-shrink:0;width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center;border-radius:.375rem;color:var(--t-gray-400)}.teacher-class-more:hover{background:var(--t-gray-50);color:var(--t-gray-700)}.teacher-class-menu{position:absolute;top:2.625rem;right:.75rem;min-width:6.25rem;padding:.25rem;background:#fff;border:.03125rem solid var(--t-gray-100);border-radius:.5rem;box-shadow:0 .375rem 1rem rgba(15,23,42,.14);z-index:30}.teacher-class-menu-item{padding:.5625rem .625rem;border-radius:.375rem;font-size:var(--fs-sm);color:var(--t-gray-700);line-height:1.4}.teacher-class-menu-item:hover{background:var(--t-gray-50)}.teacher-class-menu-item.is-danger{color:var(--t-red)}.teacher-btn-danger{background:var(--t-red);color:var(--t-white)}.teacher-class-card:hover{border-color:var(--t-primary);box-shadow:0 .25rem .75rem rgba(0,0,0,.1)}.teacher-class-stats{display:grid;grid-template-columns:1fr 1fr;gap:var(--space-xs)}.teacher-class-stat{text-align:center}.teacher-class-stat-value{font-size:var(--fs-xl);font-weight:700;color:var(--t-primary);display:block}.teacher-class-stat-label{font-size:var(--fs-xs);color:var(--t-text-secondary)}.teacher-class-empty{width:100%;padding:120px 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.teacher-btn{flex-shrink:0}.teacher-layer-tabs{display:flex;align-items:center;flex-wrap:wrap;gap:.375rem;flex:0 1 auto;min-width:0;margin-bottom:0}.teacher-layer-tab{display:inline-flex;align-items:center;gap:.25rem;padding:.25rem .625rem;border-radius:31.21875rem;font-size:var(--fs-sm);color:var(--t-gray-600);background:var(--t-gray-50);border:.03125rem solid transparent;cursor:pointer}.teacher-layer-tab.is-active{color:var(--t-primary);background:rgba(8,145,178,.1);border-color:var(--t-primary);font-weight:600}.teacher-layer-tab-count{font-size:var(--fs-xs);opacity:.75}.teacher-layer-tag{display:inline-flex;align-items:center;padding:.0625rem .375rem;border-radius:31.21875rem;font-size:var(--fs-xs);font-weight:500;cursor:pointer}.teacher-layer-tag.is-basic{color:#0891b2;background:rgba(8,145,178,.12)}.teacher-layer-tag.is-adv{color:#0369a1;background:rgba(3,105,161,.12)}.teacher-layer-tag.is-ext{color:#6b7280;background:var(--t-gray-100)}.teacher-layer-tag.is-none{color:var(--t-gray-400);background:#fff;border:.03125rem solid var(--t-gray-200)}.teacher-student-empty{padding:var(--space-lg) 0;text-align:center;color:var(--t-gray-400);font-size:var(--fs-sm)}.teacher-student-stats{display:flex;gap:var(--space-md)}.teacher-ss-value{font-size:var(--fs-lg);font-weight:600;color:var(--t-gray-800);display:block;text-align:center}.teacher-ss-label{font-size:var(--fs-xs);color:var(--t-gray-500);text-align:center;display:block}.teacher-back-link{display:inline-flex;align-items:center;gap:.375rem;font-size:var(--fs-base);color:var(--t-primary);margin-bottom:var(--space-sm);cursor:pointer}.teacher-detail-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md);flex-wrap:wrap;gap:var(--space-sm);padding:24px;background:var(--t-white);border-radius:16px;border:1px solid var(--t-gray-100);box-shadow:0 8px 24px -16px rgba(15,23,42,.18);box-sizing:border-box}.teacher-detail-main{min-width:0;flex:1}.teacher-detail-title-row{display:flex;align-items:center;flex-wrap:wrap;gap:12px}.teacher-detail-title{font-size:var(--fs-xl);font-weight:700;color:var(--t-text-title);line-height:var(--lh-tight);display:block}.teacher-qr-btn{display:inline-flex;align-items:center;gap:6px;padding:6px 12px;border-radius:999px;background:var(--t-primary-light);color:var(--t-primary);font-size:13px;font-weight:600;line-height:1;cursor:pointer;transition:background-color .15s ease,transform .15s ease}.teacher-qr-btn .svg-icon{color:var(--t-primary)}.teacher-qr-btn:hover{background:#cbf1f6;transform:translateY(-1px)}.teacher-detail-meta{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.teacher-detail-chip{display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;background:var(--t-gray-50);color:var(--t-gray-600);font-size:12px;line-height:1.4;border:1px solid var(--t-gray-100)}.teacher-detail-sub{font-size:var(--fs-sm);color:var(--t-text-secondary);margin-top:.25rem;display:block}.teacher-detail-actions{display:flex;gap:var(--space-xs)}.teacher-review-layout{display:grid;grid-template-columns:1fr 22.5rem;gap:var(--space-md)}.teacher-essay-content{background:var(--t-white);border-radius:var(--radius-card);padding:var(--space-lg);border:.03125rem solid var(--t-gray-100);line-height:2;font-size:var(--fs-lg)}.teacher-highlight-error{background:#fee2e2;border-bottom:.125rem solid var(--t-red);padding:0 .125rem}.teacher-highlight-warn{background:var(--t-yellow-light);border-bottom:.125rem solid var(--t-yellow);padding:0 .125rem}.teacher-highlight-good{background:var(--t-green-light);border-bottom:.125rem solid var(--t-green);padding:0 .125rem}.teacher-scoring-panel{background:var(--t-white);border-radius:var(--radius-card);padding:var(--space-md);border:.03125rem solid var(--t-gray-100);margin-bottom:var(--space-sm)}.teacher-score-item{margin-bottom:var(--space-sm)}.teacher-score-label-row{display:flex;justify-content:space-between;margin-bottom:.375rem}.teacher-score-label{font-size:var(--fs-sm);font-weight:600;color:var(--t-gray-700)}.teacher-score-value{font-size:var(--fs-base);font-weight:700;color:var(--t-primary)}.teacher-score-bar{height:.375rem;background:var(--t-gray-200);border-radius:.1875rem;overflow:hidden}.teacher-score-fill{height:100%;border-radius:.1875rem}.teacher-score-comment{font-size:var(--fs-xs);color:var(--t-gray-500);margin-top:.25rem;line-height:1.5}.teacher-total-score{margin-top:var(--space-sm);padding:var(--space-sm);background:var(--t-primary-light);border-radius:var(--radius-input);text-align:center}.teacher-total-label{font-size:var(--fs-xs);color:var(--t-text-secondary);display:block}.teacher-total-value{font-size:var(--fs-display);font-weight:700;color:var(--t-primary);line-height:var(--lh-tight)}.teacher-settings-section{margin-bottom:var(--space-lg)}.teacher-settings-title{font-size:var(--fs-h2);font-weight:600;margin-bottom:var(--space-sm);padding-bottom:var(--space-xs);border-bottom:.03125rem solid var(--t-gray-200);display:flex;align-items:center;gap:.375rem}.teacher-switch-row{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--space-sm)}.teacher-switch-label{font-size:var(--fs-base)}.teacher-switch{width:2.75rem;height:1.5rem;border-radius:.75rem;background:var(--t-gray-300, #D1D5DB);position:relative;transition:background .3s}.teacher-switch.on{background:var(--t-primary)}.teacher-switch-dot{position:absolute;top:.125rem;left:.125rem;width:1.25rem;height:1.25rem;border-radius:var(--radius-circle);background:var(--t-white);transition:left .3s}.teacher-switch.on .teacher-switch-dot{left:1.375rem}.teacher-settings-card{max-width:43.75rem}.teacher-toolbar{display:flex;justify-content:space-between;align-items:center;margin-bottom:var(--space-md);flex-wrap:wrap;gap:var(--space-sm)}.teacher-toolbar .teacher-page-title,.teacher-toolbar .teacher-filter-bar{margin-bottom:0}.teacher-toast{position:fixed;top:var(--space-md);right:var(--space-md);background:var(--t-gray-800);color:var(--t-white);padding:var(--space-sm) var(--space-md);border-radius:var(--radius-btn);font-size:var(--fs-base);z-index:2000;opacity:0;transform:translateY(-.625rem);transition:all .3s;pointer-events:none}.teacher-toast.show{opacity:1;transform:translateY(0)}.teacher-ai-tip{padding:var(--space-sm);background:var(--t-primary-light);border-radius:var(--radius-btn);margin-bottom:var(--space-sm)}.teacher-ai-tip-title{font-weight:600;color:var(--t-primary);margin-bottom:var(--space-xs);display:block}.teacher-ai-tip-line{font-size:var(--fs-sm);color:var(--t-gray-600);line-height:1.8;display:block}.teacher-btn-row{display:flex;gap:var(--space-xs);margin-top:var(--space-sm);flex-wrap:wrap}.teacher-text-warn{color:var(--t-red)}.teacher-text-green{color:var(--t-green)}.teacher-text-accent{color:var(--t-accent)}.teacher-text-bold{font-weight:700}.teacher-student-cell{display:flex;align-items:center;gap:var(--space-xs)}.teacher-student-cell .teacher-student-avatar{width:1.75rem;height:1.75rem;font-size:var(--fs-xs)}.teacher-essay-head{margin-bottom:var(--space-sm);padding-bottom:var(--space-sm);border-bottom:.03125rem solid var(--t-gray-200)}.teacher-essay-title{font-size:var(--fs-h1);font-weight:700;color:var(--t-text-title);line-height:var(--lh-tight);margin-bottom:.375rem;display:block}.teacher-essay-meta{font-size:var(--fs-sm);color:var(--t-text-secondary)}.teacher-essay-legend{margin-top:var(--space-md);padding-top:var(--space-sm);border-top:.03125rem solid var(--t-gray-200);font-size:var(--fs-xs);color:var(--t-gray-500)}.teacher-essay-p{margin-bottom:var(--space-sm);display:block}.teacher-modal-mask{position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,.45);z-index:1500;display:none;align-items:center;justify-content:center}.teacher-modal-mask.show{display:flex}.teacher-modal{background:var(--t-white);border-radius:1rem;width:90%;max-width:43.75rem;max-height:85vh;display:flex;flex-direction:column;box-shadow:0 1.25rem 3.75rem rgba(0,0,0,.2);overflow:visible;position:relative;z-index:1}.teacher-modal-head{padding:var(--space-md) var(--space-lg);border-bottom:.03125rem solid 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.svg-icon{color:var(--t-red)}.teacher-legend-row{display:flex;align-items:center;flex-wrap:wrap;gap:.75rem}.teacher-legend-item{display:inline-flex;align-items:center;gap:.25rem;font-size:var(--fs-xs)}.teacher-legend-dot{width:.5rem;height:.5rem;border-radius:50%;flex-shrink:0}.teacher-legend-dot.error{background:var(--t-red)}.teacher-legend-dot.warn{background:var(--t-yellow)}.teacher-legend-dot.good{background:var(--t-green)}.teacher-modal-title-row{display:flex;align-items:center;gap:.375rem;flex:1;min-width:0}.teacher-modal-title-row .svg-icon{color:var(--t-primary);flex-shrink:0}.teacher-modal-close .svg-icon{width:1rem!important;height:1rem!important;color:inherit}.teacher-btn .svg-icon{color:inherit}.teacher-tabs .teacher-tab-item{display:inline-flex;align-items:center;gap:.25rem}.reader-loading{position:fixed;top:0;right:0;bottom:0;left:0;z-index:200;display:flex;align-items:center;justify-content:center;background:rgba(15,23,42,.45);color:#fff;font-size:.875rem}.reader-toolbar{position:fixed;left:0;right:0;bottom:0;z-index:120;display:flex;align-items:center;justify-content:space-between;gap:.375rem;padding:.375rem .625rem calc(.375rem + env(safe-area-inset-bottom));background:transparent;pointer-events:none}.reader-toolbar-left,.reader-toolbar-right{display:flex;align-items:center;gap:.1875rem;flex-wrap:wrap;pointer-events:auto}.reader-tool-wrap{position:relative;display:flex;align-items:center;justify-content:center}.reader-tool-btn{width:1.5rem;height:1.5rem;min-width:1.5rem;padding:0;border-radius:.3125rem;background:rgba(255,255,255,.92);display:flex;align-items:center;justify-content:center;box-shadow:0 .125rem .5rem rgba(0,0,0,.18);color:#0f172a}.reader-tool-btn.is-on{background:var(--primary-color, #0e8a86);color:#fff}.reader-tool-btn.is-on .base-icon{color:#fff}.reader-tool-icon-img{width:1.375rem;height:1.375rem;display:block}.reader-tool-btn .base-icon{width:1.0625rem!important;height:1.0625rem!important;color:inherit}.reader-tool-btn.tone-green,.reader-tool-btn.tone-teal,.reader-tool-btn.tone-orange,.reader-tool-btn.tone-blue{background-color:rgba(255,255,255,.92)}.reader-tool-btn.tone-green{color:var(--tone-green, #52C41A)}.reader-tool-btn.tone-teal{color:var(--tone-teal, #0E8A86)}.reader-tool-btn.tone-orange{color:var(--tone-orange, #F5A623)}.reader-tool-btn.tone-blue{color:var(--tone-blue, #2F54EB)}.reader-tool-tip{position:absolute;left:50%;bottom:calc(100% + .3125rem);transform:translate(-50%);padding:.25rem .4375rem;border-radius:.25rem;background:#fff;color:#334155;font-size:.6875rem;line-height:1.2;white-space:nowrap;box-shadow:0 .125rem .5rem rgba(15,23,42,.18);opacity:0;visibility:hidden;pointer-events:none;transition:opacity .15s ease,visibility .15s ease;z-index:5}.reader-tool-tip:after{content:"";position:absolute;left:50%;top:100%;transform:translate(-50%);border:.25rem solid transparent;border-top-color:#fff}.reader-tool-ahead{width:1.5rem;height:1.5rem;border-radius:.3125rem;overflow:hidden;background:rgba(255,255,255,.92);box-shadow:0 .125rem .5rem rgba(0,0,0,.18)}.reader-tool-ahead-img{width:100%;height:100%;display:block}.reader-record-bar{position:fixed;left:0;right:0;bottom:3.75rem;z-index:45;display:flex;justify-content:center;gap:1rem;pointer-events:none}.reader-record-main{pointer-events:auto;display:flex;flex-direction:column;align-items:center;gap:.25rem}.reader-record-circle{width:3.75rem;height:3.75rem;border-radius:50%;background:#ef4444;display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:0 .25rem .875rem rgba(239,68,68,.45);position:relative}.reader-record-circle.is-recording{animation:reader-pulse 1.2s ease-in-out infinite}.reader-record-circle.is-view{background:var(--primary-color, #0e8a86);box-shadow:0 .25rem .875rem rgba(14,138,134,.4)}@keyframes reader-pulse{0%,to{transform:scale(1)}50%{transform:scale(1.06)}}.reader-record-label{font-size:.75rem;color:#fff;text-shadow:0 .0625rem .25rem rgba(0,0,0,.35)}.reader-audio-bar{position:fixed;left:50%;top:calc(env(safe-area-inset-top) + 10px);right:auto;bottom:auto;transform:translate(-50%);z-index:130;width:240px;max-width:calc(100vw - 48px);padding:4px 16px;border-radius:999px;background:rgba(0,0,0,.45);display:none;box-sizing:border-box}.reader-audio-bar.is-open{display:block}.reader-audio-row{display:flex;align-items:center;gap:10px;width:100%}.reader-audio-time{flex-shrink:0;font-size:12px;color:#fff;min-width:auto;line-height:1.2;white-space:nowrap}.reader-audio-slider{flex:1;margin:0}.reader-mask{position:fixed;top:0;right:0;bottom:0;left:0;z-index:300;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;padding:1rem;box-sizing:border-box}.reader-dialog{width:100%;max-width:20rem;background:#fff;border-radius:.75rem;padding:1.5rem 1.25rem 1.25rem;position:relative;text-align:center}.reader-dialog-title{display:block;font-size:1.0625rem;font-weight:700;color:#0f172a;margin-bottom:.5rem}.reader-dialog-desc{display:block;font-size:.8125rem;color:#64748b;line-height:1.6;margin-bottom:1.125rem}.reader-dialog-actions{display:flex;gap:.625rem}.reader-dialog-btn{flex:1;height:2.5rem;border-radius:31.21875rem;display:flex;align-items:center;justify-content:center;font-size:.875rem;font-weight:600}.reader-dialog-btn.is-ghost{background:#f1f5f9;color:#334155}.reader-dialog-btn.is-primary{background:linear-gradient(145deg,var(--primary-color, #0e8a86),var(--primary-color2, #14b8a6));color:#fff}.reader-dialog-close{position:absolute;top:.5rem;right:.5rem;width:1.75rem;height:1.75rem;display:flex;align-items:center;justify-content:center}.reader-iframe-mask{position:fixed;top:0;right:0;bottom:0;left:0;width:100vw;height:100vh;z-index:var(--z-popup, 1000);background:rgba(0,0,0,.55)}.reader-iframe-box{position:fixed;left:50%;top:50%;transform:translate(-50%,-50%) scale(.96);opacity:0;pointer-events:none;z-index:calc(var(--z-popup, 1000) + 1);width:min(920px,94vw);height:min(86vh,900px);background:#fff;border-radius:16px;overflow:hidden;box-shadow:0 20px 60px rgba(0,0,0,.35);display:flex;flex-direction:column;transition:opacity .2s ease,transform .2s ease}.reader-iframe-box.is-open{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.reader-iframe-box.is-fullscreen{left:0;top:0;right:0;bottom:0;width:100vw;height:100vh;max-width:none;max-height:none;border-radius:0;box-shadow:none;transform:none}.reader-iframe-box.is-fullscreen.is-open{transform:none}.reader-iframe-head{flex:0 0 auto;height:52px;padding:0 16px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid #e2e8f0}.reader-iframe-title{font-size:16px;font-weight:700;color:#0f172a}.reader-iframe-actions{display:flex;align-items:center;gap:8px}.reader-iframe-action{width:36px;height:36px;border-radius:8px;display:flex;align-items:center;justify-content:center;color:#64748b}.reader-iframe-tabs{display:flex;gap:8px;padding:8px 16px;border-bottom:1px solid #e2e8f0;overflow-x:auto}.reader-iframe-tab{padding:8px 14px;border-radius:999px;font-size:13px;color:#64748b;background:#f1f5f9;white-space:nowrap}.reader-iframe-tab.is-on{background:var(--primary-color, #0e8a86);color:#fff}.reader-iframe-body{flex:1;min-height:0}.reader-iframe{width:100%;height:100%;border:0;display:block}.reader-iframe-empty{height:100%;display:flex;align-items:center;justify-content:center;font-size:14px;color:#94a3b8}.reader-voice-panel{position:fixed;left:50%;bottom:4.375rem;transform:translate(-50%);z-index:46;width:min(640px,92vw);background:#fff;border-radius:.625rem;padding:.875rem;box-shadow:0 .5rem 1.5rem rgba(0,0,0,.25)}.reader-voice-title{display:block;font-size:.9375rem;font-weight:700;margin-bottom:.5rem}.reader-voice-list{max-height:10rem;overflow-y:auto;margin-bottom:.625rem}.reader-voice-item{display:flex;align-items:center;justify-content:space-between;padding:.375rem 0;border-bottom:.03125rem solid #e2e8f0;font-size:.75rem;color:#334155}.reader-voice-actions{display:flex;gap:.5rem}.reader-voice-btn{flex:1;height:2.25rem;border-radius:31.21875rem;display:flex;align-items:center;justify-content:center;font-size:.8125rem;font-weight:600}.reader-voice-btn.is-ghost{background:#f1f5f9;color:#334155}.reader-voice-btn.is-primary{background:var(--primary-color, 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