@import url('https://fonts.googleapis.com/css2?family=DM+Sans:wght@400;500;600;700&family=Manrope:wght@400;500;600;700;800&display=swap');
.phrase-row{display:flex;justify-content:space-between;align-items:center;gap:14px;padding:16px;border:1px solid #e4e8df;border-radius:8px}.phrase-row p{margin:5px 0 0}.phrase-row .button{flex-shrink:0}@media(max-width:480px){.phrase-row{align-items:flex-start}.phrase-row .button{padding:9px;font-size:10px}}
:root{--green:#254d3e;--ink:#253d34;--muted:#778078;--bg:#f7f8f3;--line:#e4e8df;--lime:#d7e6c5}*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:15px 'DM Sans',Arial,'Microsoft YaHei',sans-serif}a{color:inherit;text-decoration:none}button,input,select{font:inherit}button,a,input,select{ -webkit-tap-highlight-color:transparent}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.5}:focus-visible{outline:3px solid #c18b3d;outline-offset:4px}.sidebar{width:254px;position:fixed;inset:0 auto 0 0;background:#fff;border-right:1px solid var(--line);padding:36px 22px;display:flex;flex-direction:column}.brand{display:flex;align-items:center;gap:12px;font:800 19px Manrope,sans-serif;letter-spacing:-.6px}.brand-icon{background:var(--green);color:#f0dfb8;border-radius:12px;display:grid;place-items:center;width:43px;height:45px;font-size:25px}.brand small{display:block;font:12px Arial,sans-serif;letter-spacing:2px;color:#7b847d;margin-top:5px}.sidebar-label{font-size:9px;letter-spacing:1.2px;color:#8b938c;margin:48px 10px 20px}nav a{display:flex;gap:15px;align-items:center;border-radius:9px;padding:13px 15px;margin-bottom:8px;font-size:22px;color:#7b847d}nav a span{font-size:13px;font-weight:600}nav small{display:block;font-weight:400;font-size:11px;margin-top:5px}nav a.active{color:var(--green);background:#ecf2e6}.sidebar-bottom{margin-top:auto;padding:24px 15px 0;border-top:1px solid var(--line);font-size:12px}.sidebar-bottom strong{display:block;margin-top:12px}.sidebar-bottom p{color:var(--muted);margin:7px 0 18px}.sidebar-bottom>span{font-size:10px;color:var(--muted)}.goal-dot{width:24px;height:24px;border-radius:50%;background:#e9efd9;box-shadow:inset 0 0 0 7px #fff;border:1px solid #a4b694}.shell{margin-left:254px}header{height:88px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center;padding:0 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#dbe2d4;border-radius:5px;background:#f0f3e8;color:#5c7054}.hero{border-radius:14px;background:#eaf0df;position:relative;overflow:hidden;display:grid;grid-template-columns:1.4fr 1fr;margin-bottom:25px;min-height:266px;border:1px solid #dfe7d4}.hero-copy{padding:31px 33px}.eyebrow{font-size:10px;font-weight:700;letter-spacing:1.8px;margin-bottom:15px;color:#658259}.hero h2{font-size:31px;line-height:1.25;max-width:410px;letter-spacing:-1.1px}.hero p{font-size:13px;color:#65765c;margin:12px 0 20px}.button{border:0;border-radius:7px;padding:12px 18px;background:var(--green);color:white;display:inline-flex;align-items:center;justify-content:center;gap:20px;font-size:12px;font-weight:600}.button.secondary{background:white;color:var(--green);border:1px solid var(--line)}.hero-art{width:100%;height:100%;min-height:265px}.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:17px;margin-bottom:32px}.stat{border:1px solid var(--line);border-radius:10px;padding:19px 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var(--line);border-radius:11px;padding:24px}.practice-top{display:flex;justify-content:space-between;align-items:center}.icon-square{display:grid;place-items:center;height:44px;width:44px;border-radius:12px;background:#edf2e7;font-size:24px;color:#5f7a54}.peach{background:#faf0e4;color:#b3864d}.mini-tag{font-size:9px;letter-spacing:1px;color:#8b9388}.practice-card h3{margin-top:20px}.practice-card p{font-size:12px;color:var(--muted);margin:8px 0 18px}.card-bottom{display:flex;align-items:center;justify-content:space-between;border-top:1px solid var(--line);padding-top:17px}.card-bottom span{font-size:11px;color:var(--muted)}.text-link{border:0;background:none;color:var(--green);font-size:12px;font-weight:700;padding:4px 0}.week-strip{display:grid;grid-template-columns:repeat(6,1fr);background:#fff;border:1px solid var(--line);border-radius:11px;padding:18px 6px}.week-mini{padding:0 14px;border-right:1px solid var(--line)}.week-mini:last-child{border:0}.week-number{font-size:10px;color:#8a9286;letter-spacing:.8px}.week-mini h3{font-size:11px;line-height:1.5;margin:10px 0 4px}.week-mini small{font-size:10px;color:var(--muted)}.week-mini .circle{border:1px solid #dce4d1;border-radius:50%;width:23px;height:23px;display:grid;place-items:center;color:#8b9b7d;margin-top:12px;font-size:10px}.week-mini.current .circle{background:var(--green);color:white}.tip{background:#f0f0e7;border-radius:9px;padding:17px 21px;font-size:12px;display:flex;gap:15px;margin-top:23px;color:#7a806b}.tip strong{color:#4f6146}.tip p{margin:3px 0;font-size:11px}footer{padding:10px 45px 30px;max-width:1260px;margin:auto;font-size:10px;color:#8a9188}footer a{float:right;text-decoration:underline}footer p{max-width:780px;font-size:10px}.stack{display:grid;gap:17px}.week-card{display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:start}.week-badge{font-size:25px;color:#8fa17c;background:#eff4e8;border-radius:10px;padding:12px;text-align:center}.week-card p{font-size:13px;color:var(--muted);margin:5px 0}.days{display:flex;gap:8px;flex-wrap:wrap;margin-top:15px}.day{border:1px solid var(--line);padding:9px 12px;border-radius:6px;background:#fafbf8;color:#627558;font-size:11px}.day.done{background:var(--green);color:white}.workspace{display:grid;grid-template-columns:260px 1fr;gap:20px}.exercise-list{display:flex;flex-direction:column;gap:8px}.exercise-list button{border:1px solid var(--line);border-radius:8px;padding:14px;text-align:left;background:#fff;color:var(--ink);font-size:12px}.exercise-list button.active{background:#eaf0df;border-color:#9aaf83}.exercise-list small{display:block;margin-top:5px;color:var(--muted);font-size:10px}.audio-panel{background:#edf2e7;border-radius:10px;padding:20px;display:flex;align-items:center;gap:16px;margin:20px 0}.audio-panel select{border:1px solid 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0}.notice{color:#a45c44;font-size:12px}.actions{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}@media(min-width:1500px){main{padding-top:45px}.hero{min-height:300px}.hero-copy{padding:40px}}@media(max-width:1100px){.sidebar{width:215px;padding:30px 15px}.shell{margin-left:215px}main{padding:30px 25px}header{padding:0 25px}.hero h2{font-size:26px}.hero-copy{padding:25px}.week-mini{padding:0 9px}.workspace{grid-template-columns:210px 1fr}.stat{padding:16px 12px;gap:10px}.stat strong{font-size:18px}}@media(max-width:760px){.sidebar{position:static;width:auto;padding:18px;border-right:0;border-bottom:1px solid var(--line)}.brand{font-size:18px}.sidebar-label,.sidebar-bottom{display:none}nav{display:flex;overflow:auto;margin-top:20px;gap:6px}nav a{padding:10px;min-width:max-content;margin:0;font-size:17px;gap:7px}nav a span{font-size:11px}nav small{display:none}.shell{margin:0}header{height:60px;padding:0 20px}.breadcrumb{font-size:8px}.breadcrumb span{margin:0 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0}.card{padding:20px}.language-pill{font-size:9px}.visual-scenes{grid-template-columns:1fr}}

.language-pill{cursor:pointer;background:white;color:#254d3e;min-height:40px;white-space:nowrap}.week-details{font-size:12px;margin:10px 0;color:#687a60}.week-details summary,.reflection summary,.transcript summary{cursor:pointer;padding:9px 0}.reflection{margin-top:18px;font-size:13px}.lesson-flow{color:#638052;font-size:13px}.day{min-height:44px}body[data-instructions="zh"] nav small{display:none}body[data-instructions="zh"] .mini-tag,body[data-instructions="zh"] .sidebar-label{display:none}
@media(max-width:760px){body{padding-bottom:78px}.sidebar{padding:12px 18px}.brand{font-size:16px}.brand-icon{width:34px;height:36px;font-size:21px}.brand small{font-size:10px;margin-top:3px}.sidebar nav{position:fixed;bottom:0;left:0;right:0;z-index:20;margin:0;display:grid;grid-template-columns:repeat(5,1fr);gap:0;overflow:visible;padding:6px 4px calc(6px + env(safe-area-inset-bottom));background:#fff;border-top:1px solid #e4e8df}.sidebar nav a{display:flex;flex-direction:column;justify-content:center;gap:5px;padding:7px 2px;min-width:0;text-align:center;font-size:17px;border-radius:7px}.sidebar nav a span{font-size:10px;line-height:1.3;word-break:break-word}.sidebar nav small{font-size:9px}header{height:54px;padding:0 18px;position:sticky;top:0;z-index:15;background:#fbfcf8}.breadcrumb{font-size:9px;letter-spacing:0}.breadcrumb>span{margin:0 7px}.header-right{gap:0}.language-pill{min-height:36px;font-size:11px;padding:6px 10px}.title-row{margin-bottom:18px}.title-row .tag{display:none}main{padding:20px 16px}h1{font-size:23px}.subtitle{font-size:12px}.hero{min-height:0;margin-bottom:18px}.hero-copy{padding:20px}.hero h2{font-size:23px}.hero-art,.hero .eyebrow,.hero p{display:none}.hero .button{margin-top:14px}.stats{margin-bottom:20px}.stat{padding:12px 9px}.stat-icon{display:none}.stat strong{font-size:19px}.practice-card{padding:17px}.practice-card h3{margin-top:12px}.practice-card>p{display:none}.practice-card .icon-square{width:32px;height:32px;font-size:20px}.week-strip{padding:14px 4px;gap:12px}.week-mini h3{margin-top:5px}.tip{padding:12px 14px;margin-top:16px}.week-card{padding:17px;grid-template-columns:30px 1fr;gap:9px}.week-badge{padding:5px;font-size:15px}.week-card h3{font-size:15px;line-height:1.5}.week-card>.tag{display:none}.days{display:grid;grid-template-columns:1fr;gap:6px}.day{text-align:left;font-size:12px;padding:10px 12px}.actions{gap:10px;margin-top:15px}.button{min-height:44px;font-size:12px;padding:11px 14px}.exercise-list{display:flex;flex-direction:row;max-height:none;overflow-x:auto;gap:7px;padding-bottom:5px}.exercise-list button{min-width:146px;max-width:180px;flex-shrink:0;padding:10px;font-size:11px}.workspace{gap:12px}.card{padding:17px}.card>.tag{font-size:9px;letter-spacing:0}.phrase-row{padding:12px}.phrase-row .button{min-height:40px}.section-title{margin:20px 0 10px}.section-title h3{font-size:14px}.speaking-prompt{padding:14px;margin:14px 0}.timer{font-size:49px;margin:12px}.record-controls{gap:7px}.record-controls .button{padding:10px 12px;font-size:11px}.feedback{padding:12px;font-size:12px}.feedback p{margin:6px 0}.phrase-row strong{font-size:15px}footer{padding:10px 16px 20px}footer>p{display:none}#toast{bottom:85px;left:16px;right:16px;font-size:12px;max-width:none}}