@import url('https://fonts.googleapis.com/css2?family=Noto+Sans+TC:wght@400;500;700&display=swap');
:root{color-scheme:light;--ink:#172d35;--muted:#637878;--green:#245c50;--paper:#f6f5ef}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font:16px/1.65 'Noto Sans TC',system-ui,sans-serif}button,select,input{font:inherit}button{cursor:pointer}button:disabled{opacity:.45;cursor:not-allowed}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #cc924d;outline-offset:4px}header{padding:24px 5%;border-bottom:1px solid #dce2db;display:flex;justify-content:space-between;align-items:center}.brand{display:flex;align-items:center;gap:18px;text-decoration:none;color:inherit}.brand b{font:800 30px system-ui}.brand b span{color:#d99f5b}.brand>span{font:10px/1.5 system-ui;max-width:120px;letter-spacing:1.5px}.badge{font-size:12px;border:1px solid #c7d6cb;padding:6px 13px;border-radius:30px}main{max-width:1380px;margin:auto;padding:38px 5% 20px}.intro{display:flex;justify-content:space-between;align-items:center;margin-bottom:30px}.eyebrow{font:600 10px/1.5 system-ui;letter-spacing:2px;color:var(--green)}h1{font-size:clamp(24px,3vw,36px);margin:8px 0}p{margin:10px 0}.intro>div>p:last-child{font-size:14px;color:var(--muted)}.daily{display:flex;align-items:center;gap:15px}.daily strong{font:300 44px system-ui}.daily span{font-size:12px}.daily small{display:block;color:var(--muted);font-size:10px}.layout{display:grid;grid-template-columns:245px minmax(0,1fr);gap:28px}aside>.eyebrow{margin:0 0 14px}.lesson{width:100%;text-align:left;padding:17px 15px;border:1px solid #dce2db;border-radius:10px;margin-bottom:10px;background:transparent;color:var(--ink)}.lesson.active{background:var(--green);color:#fff;border-color:var(--green)}.lesson small{display:block;opacity:.7;font-size:11px;margin-top:5px}.lesson .num{font-size:11px;opacity:.65;float:right}.settings{margin-top:24px;border-top:1px solid #dce2db;padding-top:20px}.settings label{display:block;font-size:12px;margin:10px 0}.settings select{width:100%;padding:8px;font-size:12px;border:1px solid #cdd7cd;border-radius:6px;background:#fff}.settings input[type=range]{width:100%;accent-color:var(--green)}output{float:right}.settings p{font-size:11px;color:var(--muted)}.check{display:flex!important;align-items:center;gap:7px}.stage{position:relative;isolation:isolate;min-height:450px;background:radial-gradient(ellipse at 62% 0%,#365166 0,transparent 65%),#0d1b2b;border-radius:16px;overflow:hidden;color:#fff;display:flex;flex-direction:column;box-shadow:0 12px 30px #182c3520}.stage:before{content:'';position:absolute;inset:0;z-index:-2;opacity:.4;background-image:radial-gradient(1px 1px at 15px 30px,#fff 60%,transparent 100%),radial-gradient(1px 1px at 80px 90px,#fff 60%,transparent 100%);background-size:113px 137px,179px 163px}.stage-top,.stage-bottom{display:flex;justify-content:space-between;padding:24px 28px;font-size:12px;letter-spacing:1px}.timer{font:600 21px ui-monospace,monospace;font-variant-numeric:tabular-nums}.sentence{flex:1;display:flex;flex-direction:column;justify-content:center;text-align:center;padding:20px 40px;min-height:295px}.phase{font-size:12px;color:#c7decf;letter-spacing:2px}.english{font:600 clamp(25px,3.2vw,47px)/1.3 system-ui,sans-serif;letter-spacing:-1px;margin:25px 0 15px;text-shadow:0 2px 12px #000}.chinese{font-size:clamp(18px,2vw,25px);color:#f4d4a2}.stage-bottom{font-size:10px;color:#becbd2}.landscape{position:absolute;inset:0;z-index:-1;overflow:hidden}.mountain{position:absolute;bottom:0;width:100%;height:170px;clip-path:polygon(0 75%,12% 30%,24% 65%,39% 10%,55% 67%,67% 40%,83% 65%,100% 5%,100% 100%,0 100%);background:#112831}.mountain.front{height:130px;transform:scaleX(-1);background:#091b22}.controls{display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;margin:23px 0 10px}.controls button{border:1px solid #d1dcd4;background:transparent;padding:10px 14px;border-radius:8px;color:var(--green);font-size:13px}.controls .primary{background:var(--green);color:#fff;min-width:210px;padding:13px 20px}progress{width:100%;height:4px;border:0;appearance:none;background:#334951}progress::-webkit-progress-bar{background:#334951}progress::-webkit-progress-value{background:#e7bd7f}progress::-moz-progress-bar{background:#e7bd7f}#notice{font-size:12px;color:var(--muted);text-align:center;min-height:20px}#summary{padding:20px;background:#e4ece1;border-radius:10px}#summary h2{margin:0;font-size:22px}.transcript{border-top:1px solid #d7dfd6;margin-top:25px;padding:18px 0}.transcript summary{cursor:pointer;font-size:13px}.transcript li{padding:8px;color:var(--muted);font-size:13px}.transcript li span{display:block;color:var(--ink);font-size:16px}footer{display:flex;justify-content:space-between;border-top:1px solid #dce2db;margin-top:38px;padding:20px 0;color:var(--muted);font-size:11px}[hidden]{display:none!important}@media(max-width:800px){header{padding:16px 5%}.brand>span{display:none}.layout{grid-template-columns:1fr}.intro{margin-bottom:20px}.daily{display:none}#lessons{display:flex;gap:8px}.lesson{padding:12px 10px}.lesson .num{display:none}.lesson small{font-size:9px}.settings{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:10px 0 0;padding:12px 0}.settings p{grid-column:1/-1}.settings label{margin:0}.settings select{grid-column:2}.settings .check{grid-column:1/-1}.stage{min-height:390px}.sentence{padding:20px;min-height:250px}.stage-top,.stage-bottom{padding:20px}.controls{gap:7px}.controls button{padding:9px}.controls .primary{min-width:185px}footer{display:block}footer span{display:block;margin-top:6px}}
.scenario-label{display:block;font-size:12px;margin:8px 0;color:var(--muted)}#scenario{width:100%;padding:12px;border:1px solid #b7cbbd;border-radius:8px;background:#fff;color:var(--ink);font-size:15px}#scenarioDescription{font-size:11px;color:var(--muted);margin-bottom:4px}#scenarioProgress{font-size:11px;color:var(--green);margin:0 0 16px}.lesson{padding:13px 12px}.lesson>span:not(.num){font-size:13px}#lessonHint{font-size:12px;color:var(--muted);text-align:center;margin-top:14px}#nextLesson{border:0;border-radius:7px;background:var(--green);color:white;padding:10px 18px;margin-top:10px}@media(max-width:800px){#lessons{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px}.lesson{margin:0}.lesson:last-child{grid-column:1/-1}.lesson .num{display:inline}.settings{margin-top:18px}}@media(min-width:801px){.layout{grid-template-columns:275px minmax(0,1fr)}}

.voice-help{background:#fff4dc;border:1px solid #dfca9f;padding:18px;border-radius:10px;margin:16px 0;font-size:13px}.voice-help p{margin:8px 0}.voice-help div{display:flex;flex-wrap:wrap;gap:8px}.voice-help button,.voice-help div a{padding:10px;border:1px solid #b8c9bd;border-radius:7px;background:white;color:#245c50;text-decoration:none;font:inherit}.voice-help>a{overflow-wrap:anywhere;color:#245c50}
#lessons.pattern-list{max-height:370px;overflow-y:auto;padding-right:5px}.pattern-list .lesson{padding:10px 12px}.source-note{font-size:11px;color:var(--muted)}.source-note a{color:var(--green)}#patternHeading{margin:14px 0 0;display:flex;flex-direction:column;gap:3px}#patternEnglish{font-size:23px;color:#eed09f}#patternMeaning{font-size:14px;color:#d0dcd9}#patternRound{font-size:11px;color:#b7cbd4}.pattern-list .num{float:right}.timer{white-space:nowrap}@media(max-width:800px){#lessons.pattern-list{max-height:260px;grid-template-columns:repeat(2,minmax(0,1fr))}.pattern-list .lesson small{white-space:normal}.pattern-list .lesson:last-child{grid-column:auto}.stage-top{gap:12px}}