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var(--adm-popover-z-index, 1030);--background: #ffffff;--arrow-size: 8px;--content-padding: 8px 12px;color:var(--adm-color-text);position:absolute;top:0;left:0;z-index:var(--z-index);white-space:normal;text-align:left;cursor:auto;-webkit-user-select:text;user-select:text;animation:none}.adm-popover.adm-popover-dark{--background: rgba(0, 0, 0, .75);--adm-color-text: #ffffff;color:#fff}.adm-popover.adm-popover-dark .adm-popover-inner{box-shadow:none}.adm-popover:after{position:absolute;background:#ffffff03;content:""}.adm-popover-hidden{display:none}.adm-popover-inner{background-color:var(--background);background-clip:padding-box;border-radius:8px;box-shadow:0 0 30px #3333;font-size:var(--adm-font-size-7);width:-webkit-max-content;width:max-content;min-width:32px;max-width:calc(100vw - 24px);overflow-y:hidden}.adm-popover-inner-content{padding:var(--content-padding)}.adm-popover-arrow{position:absolute;display:block;height:var(--arrow-size);width:var(--arrow-size);overflow:visible;background:transparent}.adm-popover-arrow-icon{display:block;height:var(--arrow-size);width:calc(var(--arrow-size) / 8 * 15);position:absolute;top:50%;left:50%;transform:translate(-50%,-50%) rotate(var(--arrow-icon-rotate))}.adm-popover .adm-popover-arrow{color:var(--background)}.adm-popover-menu{--border-color: var(--adm-color-border)}.adm-popover-menu.adm-popover{--content-padding: 0}.adm-popover-menu-list{overflow:hidden;min-width:120px}.adm-popover-menu-list-inner{margin-top:-1px}.adm-popover-menu-list-scroll{padding-right:2px;overflow-y:scroll;-webkit-overflow-scrolling:auto}.adm-popover-menu-list-scroll::-webkit-scrollbar{-webkit-appearance:none;width:4px}.adm-popover-menu-list-scroll::-webkit-scrollbar-thumb{border-radius:4px;background-color:#ddd}.adm-popover-menu-item{display:flex;padding-left:20px;justify-content:flex-start;align-items:center;position:relative}.adm-popover-menu-item-icon{flex:none;padding-right:8px;font-size:20px}.adm-popover-menu-item-text{flex:auto;padding:14px 20px 14px 0;border-top:solid 1px var(--border-color)}.adm-popover-menu-item-disabled{cursor:not-allowed}.adm-popover-menu-item-disabled>*{opacity:.4}.adm-popover-menu-item:active:not(.adm-popover-menu-item-disabled){background-color:var(--border-color)}.adm-popover-menu-item:active:not(.adm-popover-menu-item-disabled):after{content:" ";display:block;position:absolute;width:100%;bottom:-1px;left:0;border-bottom:solid 1px var(--border-color)}.adm-popover.adm-popover-dark.adm-popover-menu{--border-color: var(--adm-color-text);--background: rgba(0, 0, 0, .9)}.adm-grid{--gap: 0;--gap-horizontal: var(--gap);--gap-vertical: var(--gap);display:grid;grid-gap:10px;-webkit-column-gap:var(--gap-horizontal);column-gap:var(--gap-horizontal);row-gap:var(--gap-vertical);grid-template-columns:repeat(var(--columns),minmax(0,1fr));align-items:stretch}.adm-grid-item{grid-column-end:span var(--item-span)}.adm-space-item{flex:none}.adm-space{display:inline-flex;--gap: 8px;--gap-vertical: var(--gap);--gap-horizontal: var(--gap)}.adm-space-vertical{flex-direction:column}.adm-space-vertical>.adm-space-item{margin-bottom:var(--gap-vertical)}.adm-space-vertical>.adm-space-item:last-child{margin-bottom:0}.adm-space-horizontal{flex-direction:row}.adm-space-horizontal>.adm-space-item{margin-right:var(--gap-horizontal)}.adm-space-horizontal>.adm-space-item:last-child{margin-right:0}.adm-space-horizontal.adm-space-wrap{flex-wrap:wrap;margin-bottom:calc(var(--gap-vertical) * -1)}.adm-space-horizontal.adm-space-wrap>.adm-space-item{padding-bottom:var(--gap-vertical)}.adm-space.adm-space-block{display:flex}.adm-space-align-center{align-items:center}.adm-space-align-start{align-items:flex-start}.adm-space-align-end{align-items:flex-end}.adm-space-align-baseline{align-items:baseline}.adm-space-justify-center{justify-content:center}.adm-space-justify-start{justify-content:flex-start}.adm-space-justify-end{justify-content:flex-end}.adm-space-justify-between{justify-content:space-between}.adm-space-justify-around{justify-content:space-around}.adm-space-justify-evenly{justify-content:space-evenly}.adm-space-justify-stretch{justify-content:stretch}.adm-input{--font-size: var(--adm-font-size-9);--color: var(--adm-color-text);--placeholder-color: var(--adm-color-light);--text-align: left;--background-color: transparent;display:flex;justify-content:flex-start;align-items:center;width:100%;max-width:100%;max-height:100%;min-height:24px;background-color:var(--background-color)}.adm-input-disabled{opacity:.4;cursor:not-allowed}.adm-input-element{flex:auto;display:inline-block;box-sizing:border-box;width:100%;max-width:100%;max-height:100%;padding:0;margin:0;color:var(--color);font-size:var(--font-size);line-height:1.5;background:transparent;border:0;outline:none;-webkit-appearance:none;appearance:none;min-height:1.5em;text-align:var(--text-align)}.adm-input-element::-webkit-input-placeholder{color:var(--placeholder-color);font-family:inherit}.adm-input-element::placeholder{color:var(--placeholder-color);font-family:inherit}.adm-input-element:-webkit-autofill{background-color:transparent}.adm-input-element:read-only{cursor:default}.adm-input-element:invalid{box-shadow:none}.adm-input-element::-ms-clear{display:none}.adm-input-element::-ms-reveal{display:none}.adm-input-element::-webkit-search-cancel-button{display:none}.adm-input-element::-webkit-search-decoration{display:none}.adm-input-element:disabled{opacity:1}.adm-input-element[type=date],.adm-input-element[type=time],.adm-input-element[type=datetime-local]{min-height:1.5em}.adm-input-element[type=search]{-webkit-appearance:none}.adm-input-element[readonly]{pointer-events:none}.adm-input-clear{flex:none;margin-left:8px;color:var(--adm-color-light);padding:4px;cursor:pointer}.adm-input-clear:active{color:var(--adm-color-weak)}.adm-input-clear .antd-mobile-icon{display:block;font-size:var(--adm-font-size-7)}.adm-nav-bar{--height: 45px;--border-bottom: none;display:flex;align-items:center;height:var(--height);border-bottom:var(--border-bottom);padding:0 12px;white-space:nowrap}.adm-nav-bar-left,.adm-nav-bar-right{flex:1}.adm-nav-bar-title{flex:auto;text-align:center;overflow:hidden;text-overflow:ellipsis}.adm-nav-bar-back{display:flex;align-items:center;margin-right:16px;padding:6px 0;cursor:pointer}.adm-nav-bar-back-arrow{font-size:24px;margin-right:4px}.adm-nav-bar-left{font-size:var(--adm-font-size-7);display:flex;justify-content:flex-start;align-items:center}.adm-nav-bar-title{justify-content:center;white-space:nowrap;font-size:var(--adm-font-size-10);padding:0 12px}.adm-nav-bar-right{text-align:right}.adm-search-bar{--height: 32px;--padding-left: 8px;--background: var(--adm-color-fill-content);--border-radius: 6px;--placeholder-color: var(--adm-color-weak);---placeholder-color: var(--placeholder-color);display:flex;justify-content:center;align-items:center;height:var(--height)}.adm-search-bar .adm-search-bar-input-box{flex:auto;background:var(--background);border-radius:var(--border-radius);border:solid 1px transparent;display:flex;justify-content:center;align-items:center;padding-left:var(--padding-left)}.adm-search-bar .adm-search-bar-input-box .adm-search-bar-input-box-icon{flex:none;color:var(--adm-color-light);font-size:var(--adm-font-size-8)}.adm-search-bar .adm-search-bar-input-box .adm-search-bar-input{flex:auto;padding:4px 8px 4px 4px;height:calc(var(--height) - 2px);box-sizing:border-box}.adm-search-bar .adm-search-bar-input-box .adm-search-bar-input.adm-input{--placeholder-color: var(---placeholder-color);--font-size: var(--adm-font-size-7)}.adm-search-bar .adm-search-bar-input-box .adm-search-bar-input .adm-input-element{line-height:19px}.adm-search-bar .adm-search-bar-input-box .adm-search-bar-input.adm-search-bar-input-without-icon{padding-left:8px}.adm-search-bar .adm-search-bar-suffix{flex:none;margin-left:4px}.adm-search-bar .adm-search-bar-cancel-button.adm-button{padding:3px 12px}.adm-search-bar-active .adm-input.adm-input.adm-input{--placeholder-color: var(--adm-color-light)}.adm-search-bar-active .adm-search-bar-input-box{border-color:var(--adm-color-primary);background:var(--adm-color-background)}.adm-selector{--color: var(--adm-color-fill-content);--checked-color: var(--adm-color-wathet);--text-color: var(--adm-color-text);--checked-text-color: var(--adm-color-primary);--border: none;--checked-border: none;--border-radius: 2px;--padding: 8px 16px;--gap: 8px;---gap: var(--gap);---gap-horizontal: var(--gap-horizontal, var(--gap));---gap-vertical: var(--gap-vertical, var(--gap));overflow:hidden;font-size:var(--adm-font-size-7);line-height:1.4}.adm-selector .adm-space.adm-space{--gap: 12px}.adm-selector .adm-grid{--gap: var(---gap);--gap-horizontal: var(---gap-horizontal);--gap-vertical: var(---gap-vertical)}.adm-selector-item{padding:var(--padding);position:relative;background-color:var(--color);border:var(--border);border-radius:var(--border-radius);color:var(--text-color);opacity:1;cursor:pointer;display:inline-block;text-align:center;overflow:hidden;vertical-align:top}.adm-selector-item-description{font-size:var(--adm-font-size-main);color:var(--adm-color-weak)}.adm-selector-item-active,.adm-selector-item-multiple-active{color:var(--checked-text-color);background-color:var(--checked-color);border:var(--checked-border)}.adm-selector-item .adm-selector-check-mark-wrapper{position:absolute;right:0;bottom:0;width:0;height:0;border-top:solid 8px transparent;border-bottom:solid 8px var(--adm-color-primary);border-left:solid 10px transparent;border-right:solid 10px var(--adm-color-primary)}.adm-selector-item .adm-selector-check-mark-wrapper>svg{position:absolute;left:0;top:0;height:6px;width:8px}.adm-selector-item-disabled{cursor:not-allowed;opacity:.4}@keyframes loading-rotate{to{transform:rotate(1turn)}}.adm-switch{--checked-color: var(--adm-color-primary);--height: 31px;--width: 51px;--border-width: 2px;display:inline-block;vertical-align:middle;box-sizing:border-box;position:relative;align-self:center;cursor:pointer}.adm-switch input{display:none}.adm-switch-checkbox{min-width:var(--width);height:var(--height);box-sizing:border-box;border-radius:31px;background:var(--adm-color-border);z-index:0;overflow:hidden;line-height:var(--height)}.adm-switch-checkbox:before{content:" ";position:absolute;left:var(--border-width);top:var(--border-width);width:calc(100% - 2 * var(--border-width));height:calc(var(--height) - 2 * var(--border-width));border-radius:calc(var(--height) - 2 * var(--border-width));box-sizing:border-box;background:var(--adm-color-background);z-index:1;transition:all .2s;transform:scale(1)}.adm-switch-handle{display:flex;justify-content:center;align-items:center;width:calc(var(--height) - 2 * var(--border-width));height:calc(var(--height) - 2 * var(--border-width));border-radius:calc(var(--height) - 2 * var(--border-width));background:var(--adm-color-text-light-solid);position:absolute;z-index:2;top:var(--border-width);left:var(--border-width);transition:all .2s;box-shadow:0 0 2px #0003,0 2px 11.5px #00000014,-1px 2px 2px #0000001a}.adm-switch-inner{position:relative;z-index:1;display:flex;justify-content:center;align-items:center;margin:0 8px 0 calc(var(--height) - var(--border-width) + 5px);height:100%;color:var(--adm-color-weak);transition:margin .2s;font-size:var(--adm-font-size-7)}.adm-switch.adm-switch-checked .adm-switch-checkbox{background:var(--checked-color)}.adm-switch.adm-switch-checked .adm-switch-checkbox:before{transform:scale(0)}.adm-switch.adm-switch-checked .adm-switch-handle{left:calc(100% - (var(--height) - var(--border-width)))}.adm-switch.adm-switch-checked .adm-switch-inner{margin:0 calc(var(--height) - var(--border-width) + 5px) 0 8px;color:var(--adm-color-text-light-solid)}.adm-switch.adm-switch-disabled{cursor:not-allowed;opacity:.4}.adm-switch-spin-icon{width:14px;height:14px;animation:loading-rotate 1s linear infinite}.adm-tag{--border-radius: var(--adm-tag-border-radius, 2px);padding:2px 4px;font-size:var(--adm-font-size-3);line-height:1;font-weight:400;background:var(--background-color);color:var(--text-color);display:inline-block;white-space:nowrap;border-radius:var(--border-radius);border:1px solid var(--border-color);box-sizing:border-box}.adm-tag-round{border-radius:100px}.adm-text-area{--font-size: var(--adm-font-size-9);--color: var(--adm-color-text);--placeholder-color: var(--adm-color-light);--disabled-color: var(--adm-color-weak);--text-align: left;--count-text-align: right;position:relative;width:100%;max-width:100%;max-height:100%}.adm-text-area-element{font-family:var(--adm-font-family);resize:none;flex:auto;display:block;box-sizing:border-box;width:100%;max-width:100%;max-height:100%;padding:0;margin:0;color:var(--color);font-size:var(--font-size);line-height:1.5;background:transparent;border:0;outline:none;-webkit-appearance:none;appearance:none;min-height:1.5em;text-align:var(--text-align)}.adm-text-area-element::-webkit-input-placeholder{color:var(--placeholder-color);font-family:inherit}.adm-text-area-element::placeholder{color:var(--placeholder-color);font-family:inherit}.adm-text-area-element:-webkit-autofill{background-color:transparent}.adm-text-area-element:disabled{color:var(--disabled-color);cursor:not-allowed;opacity:1;-webkit-text-fill-color:var(--disabled-color)}.adm-text-area-element:read-only{cursor:default}.adm-text-area-element:invalid{box-shadow:none}.adm-text-area-element::-ms-clear{display:none}.adm-text-area-element-hidden{visibility:hidden;position:absolute;top:0;left:0;z-index:-1000}.adm-text-area-count{text-align:var(--count-text-align);color:var(--adm-color-weak);font-size:var(--adm-font-size-9);padding-top:8px}.adm-toast-mask .adm-toast-wrap{position:fixed;top:0;left:0;width:100%;height:100%;text-align:center}.adm-toast-mask .adm-toast-main{display:inline-block;position:relative;top:50%;transform:translateY(-50%);width:auto;max-width:204px;max-height:70%;overflow:auto;color:#fff;word-break:break-all;background-color:#000000b3;border-radius:8px;pointer-events:all;font-size:var(--adm-font-size-7);line-height:1.5;box-sizing:border-box;text-align:initial}.adm-toast-mask .adm-toast-main-text{padding:12px;min-width:0}.adm-toast-mask .adm-toast-main-icon{padding:35px 12px;min-width:150px}.adm-toast-mask .adm-toast-main-icon .adm-toast-icon{text-align:center;margin-bottom:8px;font-size:36px;line-height:1}.adm-toast-loading{--size: 48px;margin:0 auto 8px}*{box-sizing:border-box}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Oxygen,Ubuntu,Cantarell,Fira Sans,Droid Sans,Helvetica Neue,sans-serif;-webkit-font-smoothing:antialiased;-moz-osx-font-smoothing:grayscale}.blur-text{filter:blur(3px);transition:filter .3s ease;cursor:pointer;-webkit-user-select:none;user-select:none}.blur-text:hover{filter:blur(1px)}.blur-text.revealed{filter:none}::-webkit-scrollbar{width:6px}::-webkit-scrollbar-track{background:#f1f1f1}::-webkit-scrollbar-thumb{background:#c1c1c1;border-radius:3px}::-webkit-scrollbar-thumb:hover{background:#a8a8a8}@media (max-width: 768px){.ant-layout-content{padding:12px!important}.ant-card{margin-bottom:16px}}.practice-sentence{transition:all .3s ease}.practice-sentence:hover{background-color:#f0f0f0}.translation-input{border:1px solid #d9d9d9;border-radius:6px;transition:all .3s ease}.translation-input:focus{border-color:#1890ff;box-shadow:0 0 0 2px #1890ff33}.answer-reveal{animation:fadeIn .3s ease}@keyframes fadeIn{0%{opacity:0;transform:translateY(-10px)}to{opacity:1;transform:translateY(0)}}