:root{--dark-theme-color: rgb(0,68,136);--element-color: rgba(255,255,255,.5);--inner-radius: 4px;--light-popup-shadow: 0 0 5px rgba(0,0,0,.2);--light-theme-color: rgb(0,102,204);--popup-background-color: rgb(0,6,12);--popup-shadow: 0 0 5px rgba(0,0,0,.5);--radius: 5px;--text-color: gray;--theme-color: gray;--translucent-black-image: linear-gradient(rgba(0,0,0,.5),rgba(0,0,0,.5))}*{box-sizing:border-box;outline:none;-ms-overflow-style:none;scrollbar-width:none}a{color:inherit!important}body{color:var(--text-color);cursor:default;font-family:Helvetica,pingfang sc,microsoft yahei,sans-serif;font-size:15px;margin:0;margin-left:calc(env(safe-area-inset-left) + 15px);margin-right:calc(env(safe-area-inset-right) + 15px);overflow:hidden}button{outline:none;touch-action:manipulation}fieldset{border-color:rgba(0,0,0,.1);border-radius:var(--radius)}footer{background-color:#fff;bottom:0;box-shadow:0 0 10px rgba(0,0,0,.2);color:var(--theme-color);display:none;font-size:17px;height:45px;left:0;line-height:45px;position:fixed;text-align:center;width:100%;z-index:5}footer div{float:left;height:100%}footer div:focus,footer div:hover,.menu li:focus,.menu li:hover{background-color:rgba(255,255,255,.8)!important;transition:all .25s}footer div:active,.menu li:active{transition:all .25s}footer .mui-btn-link{bottom:45px;font-size:17px;left:0;margin-bottom:10px;padding:10px 0;position:fixed;transition:all .25s;width:100%}hr{border:.5px solid rgba(0,0,0,.1)}input[type=date],input[type=email],input[type=number],input[type=text],input[type=url],select,textarea,.input-block,.text-view{-webkit-appearance:none;background-color:var(--element-color);border-radius:var(--radius);color:inherit;font-family:inherit;height:40px;outline:none;padding:10px 15px;width:100%}input[type=file],.edit #start,.hide-when-empty:empty,.hidden,.quiz #start,#edit,#quiz,[v-cloak]{display:none}input.display{font-size:45px;height:90px;text-align:center}select{font-size:15px;margin-top:0}td{padding:0 5px}td:first-of-type{padding-left:0}td:last-of-type{padding-right:0}td div{background-color:var(--element-color);border-radius:5px;height:40px;line-height:40px;padding:0 15px;position:relative;top:-7px;width:100%}td input[type=text],td input[type=url]{border-color:transparent}textarea{display:block;font-size:17px;height:275px;line-height:25.5px}ul{-webkit-padding-start:0;padding-inline-start:0}.answer,.calculator .menu,.mole button,.text-editor .doc-info,.text-editor .menu,.text-encoder .menu,.timer select,.translate .menu,.translate .mui-btn-blue,.word-list .menu,#quizOptionUl{margin-top:15px}.bg-img{display:block;-webkit-filter:blur(10px);filter:blur(10px);height:100%;left:0;object-fit:cover;opacity:.2;position:fixed;top:0;width:100%;z-index:-1}.browser .mui-bar-nav{height:65px;padding-top:20px}.browser #main{padding-top:80px}.calc-table,.calc-table table,.currency footer div,.currency table{width:100%}.calc-table{background-color:var(--element-color);border-radius:var(--radius)}.calc-table td{background-color:transparent;border:1px solid #ccc;height:50px;padding:0;width:25%}.calc-table .keyboard{border-style:none;padding-right:5px;width:75%}.calc-table .menu li{background-color:transparent}.calculator .mui-btn{background-color:transparent;border-style:none;height:100%;width:100%}.calc-table .sidebar{border-style:none;width:25%}.card li{cursor:text;line-height:30px;-webkit-user-select:text;user-select:text;white-space:normal!important}.close::after{content:"\00d7"}.currency td:first-of-type{width:30%}.currency td:last-of-type{width:70%}.date fieldset,.random-number button{margin-top:20px}.date fieldset:first-of-type,.mole .menu,.text-editor #start .menu:first-of-type,#optionUl,#quiz .menu{margin-top:0}.date .menu{margin-top:10px}.date .result{margin-top:10px;padding:5px 10px;text-align:right}.edit #edit,.has-footer footer,.quiz #quiz,.random-number fieldset:first-of-type{display:block}.fade-in{animation:fadeIn .25s linear}.fade-out{animation:fadeIn .25s linear;animation-direction:reverse;animation-fill-mode:forwards}.find-function .result{font-size:20px;text-align:center}.flash-card footer div,.text-editor footer div,.word-list footer div{width:50%}.formula{line-height:30px}.full-screen{background-color:#000;color:#fff;height:100%;left:0;position:fixed;top:0;transition:all .25s;width:100%;z-index:16}.full-screen div{bottom:50%;font-size:120px;height:200px;left:100%;line-height:200px;position:fixed;transform:translateY(50%);white-space:nowrap}.function{background-color:transparent!important;height:350px;margin:12px 0 -2px;overflow:auto;padding:0;width:100%}.function .menu{border-style:none;margin-top:0}.function .menu li{border-bottom-left-radius:var(--radius);border-top-left-radius:var(--radius);height:40px;padding:0 10px}.has-footer #main{padding-bottom:60px}.highlight-find{background-color:orange;color:#000}.img{background-color:#fff;box-shadow:var(--light-popup-shadow);color:rgba(0,0,0,.8);font-size:16px;height:40px;left:calc(50vw - 112.5px);position:fixed;top:calc(50vh - 20px);transition:all .25s;width:225px;z-index:13}.img img{height:auto;opacity:0;transition:opacity .25s;width:100%}.img .close{cursor:pointer;float:right;font-family:monospace;font-size:20px}.img-title{height:40px;line-height:20px;padding:10px}.input-bg{background-color:var(--element-color);border:1px solid rgba(0,0,0,.2);border-radius:var(--radius)}.marquee .mui-btn,.statistics .menu,#nextButton{margin:15px 0}.mask{height:100%;left:0;position:fixed;top:0;width:100%;z-index:1}.menu.text-like{background-color:var(--element-color);margin:10px 0 0}.menu{margin:0;transition:opacity .25s}.menu li{background-color:var(--element-color);margin:2px 0;overflow:hidden;padding:10px 15px;text-overflow:ellipsis;white-space:nowrap;word-break:break-word}.menu li:first-of-type{border-top-left-radius:var(--radius);border-top-right-radius:var(--radius)}.menu li:last-of-type{border-bottom-left-radius:var(--radius);border-bottom-right-radius:var(--radius)}.menu li a{cursor:default;display:block;padding:10px 15px}.menu li.selected{border-left:5px solid var(--light-theme-color)}.menu p{margin-bottom:0;white-space:normal!important}.menu .mui-switch{position:absolute;right:30px;transform:translateY(-85%)}.menu.link li{padding:0}.menu-icon{cursor:pointer;transition:opacity .25s}.menu-icon:active{opacity:.5}.menu-icon div{background-color:rgba(255,255,255,.5);height:2px;width:100%}.menu-icon div:first-of-type{margin-bottom:6px}.menu-icon div:last-of-type{margin-top:6px}.mole .mui-btn,.text-encoder .mui-btn:first-of-type,.timer .mui-btn:first-of-type{margin-bottom:10px}.mui-bar .mui-title{color:#fff;font-size:20px;left:auto;margin-left:5px;right:auto;text-align:left}.mui-bar-nav{background-attachment:fixed;background-color:#141414;background-image:var(--translucent-black-image),var(--background-image);background-position:center;background-repeat:no-repeat;background-size:cover;border-bottom:1px solid rgba(255,255,255,.2);box-shadow:0 0 10px rgba(0,0,0,.2);height:95px;padding:50px 15px 0 10px;padding-left:calc(env(safe-area-inset-left) + 10px);padding-right:calc(env(safe-area-inset-right) + 15px);z-index:1}.mui-btn{background-color:var(--element-color);border-radius:var(--radius);border-style:none;color:inherit;margin:0;transition:none}.mui-btn:enabled:active{background-color:transparent;border-style:none;color:inherit;transition:all .25s}.mui-btn-blue{background-attachment:fixed;background-color:transparent;background-image:var(--translucent-black-image),var(--background-image);background-position:center;background-repeat:no-repeat;background-size:cover;border-style:none;color:#fff}.mui-btn-blue:enabled:active{border-style:none;color:rgba(255,255,255,.5)}.mui-btn-link{background-color:transparent!important;color:var(--theme-color)!important}.mui-checkbox input[type=checkbox]:checked:before,.mui-radio input[type=radio]:checked:before{color:var(--theme-color)}.mui-icon{color:#fff;cursor:pointer;margin-left:5px;transition:all .5s}.mui-input-range input[type=range]::-webkit-slider-thumb{background-color:var(--theme-color);border-style:none}.mui-input-range label~input[type=range]{background-color:rgba(0,0,0,.1)}.mui-input-row label{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mui-input-row label~input{padding-left:15px}.mui-switch-blue.mui-active{background-color:var(--theme-color);border-color:var(--theme-color)}.number{font-size:45px;line-height:60px;text-align:center}.popup{background-color:var(--popup-background-color);border-radius:var(--radius);bottom:50%;box-shadow:var(--popup-shadow);color:rgba(255,255,255,.5);left:50%;padding:20px;position:fixed;text-align:center;transform:translate(-50%,50%);transition:all .25s;width:350px;z-index:12}.popup a{text-decoration:underline}.popup button{background-color:rgba(255,255,255,.1)!important;border-radius:var(--inner-radius);border-style:none;color:#fff;font-size:16px;height:40px;margin:20px 1px 0;width:calc(50% - 2px)}.popup button[aria-checked=true]{background-color:var(--light-theme-color)!important;color:#fff}.popup h1{color:#fff;font-size:24px;margin-bottom:20px}.popup iframe{border:none;height:300px;left:-15px;position:relative;width:calc(100% + 30px)}.popup input{background-color:transparent!important;border-color:rgba(255,255,255,.1)!important;color:#fff!important;display:block;margin:0;padding:10px;width:100%}.popup select{background-color:transparent!important;border:1px solid rgba(255,255,255,.1)!important;color:#fff;margin-bottom:0}.popup .close{cursor:pointer;font-size:20px;height:25px;margin:10px;position:absolute;right:0;text-align:center;top:0;width:25px}.popup .description{font-size:14px;line-height:24px;margin-top:20px;text-align:left}.popup .text{color:#fff;font-size:16px;text-align:left}.popup.light-bg{-webkit-backdrop-filter:none;backdrop-filter:none;background-color:#efeff4;box-shadow:var(--light-popup-shadow);color:gray}.popup.light-bg button{background-color:rgba(0,0,0,.4)!important}.popup.prompt{height:132px}.popup.prompt button{margin:10px 1px 0}.popup-menu{background-color:var(--popup-background-color);border-radius:var(--radius);box-shadow:var(--popup-shadow);color:#fff;font-size:14px;padding:0 10px;position:fixed;transition:all .25s;white-space:nowrap;z-index:15}.popup-menu span{display:inline-block;line-height:20px;padding:10px;transition:all .25s;white-space:nowrap}.popup-menu span:focus,.popup-menu span:hover{background-color:var(--light-theme-color);color:#fff}.popup-menu span:active{color:rgba(255,255,255,.5)}.popup-menu.vertical{padding:10px 0}.popup-menu.vertical span{display:block;padding:.5em 20px}.preload *{transition:none!important}.qr-code{height:225px;padding:15px;width:225px}.qr-code-container{height:265px;top:calc(50vh - 132.5px)}.qr-code-container img{opacity:1;width:auto}.quadratic-function .input-bg{background-color:transparent;margin-top:7.5px;padding:10px}.random-number fieldset,.timer fieldset{margin-top:20px}.random-number .input-bg{margin-bottom:10px}.result{line-height:30px}.selectable,.selectable *{cursor:text;-webkit-user-select:text;user-select:text}.sign{bottom:15px;position:fixed;right:15px}.speaker{background-image:url(https://cdn.jsdelivr.net/gh/shangzhenyang/assets/img/speaker.png);background-size:24px;cursor:pointer;height:24px;margin-top:-34px;position:absolute;right:26px;width:24px}.statistics .mui-input-row label~input{text-align:right}.text-editor p{margin:5px}.text-editor textarea{margin:0}.text-like{background-color:#fff;border:1px solid rgba(0,0,0,.2);border-radius:var(--radius);margin-top:10px}.text-like li{background-color:transparent;border-style:none;cursor:text;margin-bottom:0;margin-top:0;padding:5px 10px;-webkit-user-select:text;user-select:text}.text-view{background-color:var(--element-color);border:1px solid rgba(0,0,0,.2);cursor:pointer;font-size:17px;height:auto;line-height:25.5px;min-height:275px;padding:10px 15px;word-break:break-word}.title-parenthesis{font-size:small;margin-left:5px;text-transform:uppercase}.title-parenthesis::after{content:")"}.title-parenthesis::before{content:"("}.toast{background-color:var(--popup-background-color);border-radius:var(--radius);bottom:50px;box-shadow:var(--popup-shadow);color:#fff;font-size:14px;left:50%;line-height:20px;padding:10px 25px;position:fixed;transform:translateX(-50%);z-index:2}.translate textarea{height:137.5px;margin:0}.translate .mui-btn{margin-bottom:15px}.width-limit{margin:0 auto;max-width:400px}#main{height:100%;left:0;padding:110px 15px 15px;padding-left:calc(env(safe-area-inset-left) + 15px);padding-right:calc(env(safe-area-inset-right) + 15px);max-height:100%;overflow:auto;position:fixed;top:0;width:100%}::-webkit-scrollbar{display:none}::selection{background-color:rgba(0,102,204,.99);color:#fff}@keyframes fadeIn{0%{opacity:0}100%{opacity:1}}@media screen and (max-width:450px){:root{--element-color: white;--theme-color: var(--light-theme-color)}*{scrollbar-width:none}.bg-img{display:none}.browser .popup,.popup.msg-box{bottom:0!important;top:auto}.browser .popup.prompt{bottom:auto!important;top:0}.dark{--element-color: rgb(20,20,20);--text-color: white;--theme-color: var(--dark-theme-color)}.dark body{background-color:#000}.dark fieldset,.dark hr{border:2px solid var(--element-color)}.dark footer{background-color:var(--element-color)}.dark footer div:focus,.dark footer div:hover,.dark .menu li:focus,.dark .menu li:hover{background-color:#282828!important}.dark footer div:active,.dark .menu li:active{background-color:#fff!important;color:var(--element-color)}.dark input[type=date],.dark input[type=email],.dark input[type=number],.dark input[type=text],.dark input[type=url],.dark textarea,.dark .calc-table,.dark .input-bg,.dark .input-block,.dark .menu.text-like,.dark .text-view{border-color:rgba(255,255,255,.1)}.dark input::placeholder,.dark textarea::placeholder{color:rgba(255,255,255,.7)}.dark select,.dark td div,.dark td input,.dark .menu li{background-color:var(--element-color);color:var(--text-color)}.dark .calc-table td{background-color:var(--element-color);border-color:#282828}.dark .mui-bar-nav{background-image:linear-gradient(to right,var(--light-theme-color),var(--dark-theme-color))!important}.dark .mui-input-row label~input{background-color:transparent}.dark .mui-input-range label~input[type=range]{background-color:var(--element-color)}.dark .mui-popup-input input{background-color:#fff;color:#000}.dark .mui-switch-blue{background-color:gray;border-color:gray}.dark .popup-menu{border:1px solid rgba(255,255,255,.2)}.function .menu li{border-radius:0}.mui-bar-nav{background:var(--theme-color);border-bottom:none}.mui-btn-blue{background:var(--theme-color)}.mui-btn-blue:enabled:active{background-color:#0062cc}.mui-switch-blue.mui-active{background-color:var(--theme-color);border-color:var(--theme-color)}.popup{border-radius:0;bottom:auto;left:0;top:95px;transform:none;width:100%}.popup button[aria-checked=true]{background-color:var(--theme-color)}.timer .full-screen div{transform:rotate(90deg)}::-webkit-scrollbar{display:none}}@supports(-webkit-backdrop-filter:blur(10px)) or (backdrop-filter:blur(10px)){:root{--popup-background-color: rgba(0,6,12,.8)}.popup,.popup-menu,.toast{-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px)}}