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#ffffff59}.talking-mouth:before{content:"";background:#fffdf7;border-radius:0 0 999px 999px;width:68%;height:25%;position:absolute;top:4%;left:16%}.talking-mouth:after{content:"";background:#ef777c;border-radius:999px 999px 40% 40%;width:52%;height:26%;position:absolute;bottom:12%;left:24%}.talking-mouth-xiaoxi{--mouth-top:49%;--mouth-width:29%;--mouth-height:14%}.talking-mouth-dali{--mouth-top:26%;--mouth-width:15%;--mouth-height:9%}.talking-mouth-xiaodou{--mouth-top:67%;--mouth-width:13%;--mouth-height:10%}.talking-mouth-xiaozhang{--mouth-top:43%;--mouth-width:13%;--mouth-height:8%}@keyframes mascot-mouth-chomp{0%{transform:translate(-50%,-50%)scale(.82,.42)rotate(-1.5deg)}55%{transform:translate(-50%,-50%)scale(1.08,1.3)rotate(1deg)}to{transform:translate(-50%,-50%)scale(.94,.72)rotate(0)}}@keyframes mascot-talk-head{0%,to{transform:translateY(0)rotate(-.5deg)}50%{transform:translateY(-1px)rotate(.6deg)}}.lesson-shell .lesson-slide[data-density=compact] h1{font-size:22px!important}.lesson-shell .lesson-slide[data-density=compact] .slide-copy{font-size:15px;line-height:1.5}.lesson-shell .lesson-slide[data-density=compact] .slide-callout{font-size:13px}.lesson-shell .lesson-slide[data-density=compact] .slide-visual-wrap{flex-basis:88px;height:88px}.lesson-shell .lesson-slide[data-density=dense] h1{font-size:20px!important}.lesson-shell .lesson-slide[data-density=dense] .slide-copy{font-size:13.5px;line-height:1.42}.lesson-shell .lesson-slide[data-density=dense] .slide-callout{padding:7px 10px;font-size:12px;line-height:1.45}.lesson-shell .lesson-slide[data-density=dense] .slide-visual-wrap{flex-basis:72px;height:72px}.lesson-shell .lesson-slide[data-density=dense] .slide-visual-wrap>svg{height:66px!important}.lesson-shell .lesson-slide[data-density=dense] .lesson-character{padding-top:4px}.lesson-shell .lesson-slide[data-density=dense] .slide-visual-wrap{display:none}.lesson-shell .lesson-hint{line-height:1;margin-top:0!important}.lesson-shell .lesson-actions button{min-height:39px;padding-top:7px;padding-bottom:7px}.lesson-shell .lesson-character{padding-top:4px!important}.lesson-shell>header>div:first-child button{padding:8px!important}.lesson-shell>header>div:nth-child(2){margin-top:5px!important;padding:6px!important}.lesson-shell .lesson-main{padding-bottom:calc(24px + env(safe-area-inset-bottom))!important}.talking-mouth-xiaoxi{--mouth-width:38%;--mouth-height:22%}.talking-mouth-dali{--mouth-width:18%;--mouth-height:12%}.talking-mouth-xiaodou{--mouth-width:17%;--mouth-height:14%}.talking-mouth-xiaozhang{--mouth-width:16%;--mouth-height:11%}.talking-mouth{border-width:2px;animation-name:mascot-mouth-chomp-big;animation-duration:.19s}@keyframes mascot-mouth-chomp-big{0%{transform:translate(-50%,-50%)scale(.68,.34)rotate(-3deg)}52%{transform:translate(-50%,-50%)scale(1.18,1.55)rotate(2deg)}to{transform:translate(-50%,-50%)scale(.9,.74)rotate(0)}}.mascot.is-speaking .mascot-image{animation-name:mascot-talk-head-big;animation-duration:.26s}@keyframes mascot-talk-head-big{0%,to{transform:translateY(0)rotate(-1.2deg)scale(1)}50%{transform:translateY(-2px)rotate(1.2deg)scale(1.02)}}.talking-mouth{--mouth-tilt:0deg;animation-name:mascot-mouth-chomp-tilted}.talking-mouth-xiaoxi{--mouth-tilt:-8deg;--mouth-height:19%}.talking-mouth-dali{--mouth-tilt:-3deg}.talking-mouth-xiaodou{--mouth-tilt:0deg}.talking-mouth-xiaozhang{--mouth-tilt:3deg}@keyframes mascot-mouth-chomp-tilted{0%{transform:translate(-50%, -50%) rotate(calc(var(--mouth-tilt) - 2deg)) scale(.68, .34)}52%{transform:translate(-50%, -50%) rotate(calc(var(--mouth-tilt) + 2deg)) scale(1.18, 1.55)}to{transform:translate(-50%, -50%) rotate(var(--mouth-tilt)) scale(.9, .74)}}.lesson-shell>header>div:nth-child(2){padding:4px 6px!important}@property --tw-translate-x{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-y{syntax:"*";inherits:false;initial-value:0}@property --tw-translate-z{syntax:"*";inherits:false;initial-value:0}@property --tw-rotate-x{syntax:"*";inherits:false}@property --tw-rotate-y{syntax:"*";inherits:false}@property --tw-rotate-z{syntax:"*";inherits:false}@property --tw-skew-x{syntax:"*";inherits:false}@property --tw-skew-y{syntax:"*";inherits:false}@property --tw-space-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-divide-x-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-border-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-divide-y-reverse{syntax:"*";inherits:false;initial-value:0}@property --tw-leading{syntax:"*";inherits:false}@property --tw-font-weight{syntax:"*";inherits:false}@property --tw-tracking{syntax:"*";inherits:false}@property --tw-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-shadow-color{syntax:"*";inherits:false}@property --tw-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-inset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-shadow-color{syntax:"*";inherits:false}@property --tw-inset-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-ring-color{syntax:"*";inherits:false}@property --tw-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-inset-ring-color{syntax:"*";inherits:false}@property --tw-inset-ring-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-ring-inset{syntax:"*";inherits:false}@property --tw-ring-offset-width{syntax:"<length>";inherits:false;initial-value:0}@property --tw-ring-offset-color{syntax:"*";inherits:false;initial-value:#fff}@property --tw-ring-offset-shadow{syntax:"*";inherits:false;initial-value:0 0 #0000}@property --tw-outline-style{syntax:"*";inherits:false;initial-value:solid}@property --tw-blur{syntax:"*";inherits:false}@property --tw-brightness{syntax:"*";inherits:false}@property --tw-contrast{syntax:"*";inherits:false}@property --tw-grayscale{syntax:"*";inherits:false}@property --tw-hue-rotate{syntax:"*";inherits:false}@property --tw-invert{syntax:"*";inherits:false}@property --tw-opacity{syntax:"*";inherits:false}@property --tw-saturate{syntax:"*";inherits:false}@property --tw-sepia{syntax:"*";inherits:false}@property --tw-drop-shadow{syntax:"*";inherits:false}@property --tw-drop-shadow-color{syntax:"*";inherits:false}@property --tw-drop-shadow-alpha{syntax:"<percentage>";inherits:false;initial-value:100%}@property --tw-drop-shadow-size{syntax:"*";inherits:false}@property --tw-backdrop-blur{syntax:"*";inherits:false}@property --tw-backdrop-brightness{syntax:"*";inherits:false}@property --tw-backdrop-contrast{syntax:"*";inherits:false}@property --tw-backdrop-grayscale{syntax:"*";inherits:false}@property --tw-backdrop-hue-rotate{syntax:"*";inherits:false}@property --tw-backdrop-invert{syntax:"*";inherits:false}@property --tw-backdrop-opacity{syntax:"*";inherits:false}@property --tw-backdrop-saturate{syntax:"*";inherits:false}@property --tw-backdrop-sepia{syntax:"*";inherits:false}@property --tw-duration{syntax:"*";inherits:false}