.mundart-home-root{min-height:100vh;background:linear-gradient(180deg,#0f1419,#1a2332);color:#e8eef5;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,system-ui,sans-serif;-webkit-font-smoothing:antialiased}.mundart-home-wrap{max-width:720px;margin:0 auto;padding:32px 20px 120px}.mundart-back-link{display:inline-block;color:#8db8ff;text-decoration:none;font-size:14px;margin-bottom:16px}.mundart-back-link:hover{color:#c5d8ff}.mundart-home-hero{text-align:center;margin-bottom:32px}.mundart-flag{font-size:56px;line-height:1;margin:12px 0 16px}.mundart-home-hero h1{font-size:32px;font-weight:800;letter-spacing:-.02em;margin:0 0 12px}.mundart-hero-tagline{font-size:16px;font-weight:600;color:#f4a300;margin:0 0 10px;letter-spacing:-.01em}.mundart-sub{font-size:15px;line-height:1.6;color:#b8c8d8;margin:0}.mundart-lesson-grid{display:grid;grid-template-columns:1fr;gap:12px;margin-bottom:32px}.mundart-lesson-card{display:grid;grid-template-columns:64px 1fr auto;align-items:center;gap:16px;padding:16px;background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.1);border-radius:16px;text-decoration:none;color:inherit;transition:transform .15s ease,border-color .15s ease,background .15s ease}.mundart-lesson-card:focus,.mundart-lesson-card:hover{background:rgba(255,255,255,.08);border-color:rgba(141,184,255,.4);transform:translateY(-2px)}.mundart-lesson-num{font-size:24px;font-weight:800;color:#e8eef5;background:linear-gradient(135deg,#c0392b,#e74c3c);width:56px;height:56px;border-radius:12px;display:flex;align-items:center;justify-content:center;letter-spacing:-.02em}.mundart-lesson-title{font-size:17px;font-weight:700;color:#e8eef5}.mundart-lesson-zh{font-size:13px;color:#b0c0d0;margin-top:2px}.mundart-lesson-meta{font-size:12px;color:#8090a0;margin-top:4px}.mundart-lesson-cta{font-size:14px;font-weight:600;color:#8db8ff}.mundart-lesson-ring{display:flex;align-items:center;justify-content:center;width:44px;height:44px}.mundart-ring text{font-family:-apple-system,system-ui,sans-serif}.mundart-sticky-cta{position:fixed;left:0;right:0;bottom:0;padding:12px 16px calc(12px + env(safe-area-inset-bottom, 0px));background:linear-gradient(180deg,rgba(15,20,25,0),rgba(15,20,25,.95) 40%);pointer-events:none;opacity:0;transform:translateY(20px);transition:opacity .2s ease,transform .2s ease;z-index:50}.mundart-sticky-cta.visible{opacity:1;transform:translateY(0);pointer-events:auto}.mundart-sticky-btn{display:block;width:100%;max-width:480px;margin:0 auto;padding:16px 20px;background:linear-gradient(135deg,#c0392b,#e74c3c);color:#fff;text-align:center;text-decoration:none;font-size:17px;font-weight:800;letter-spacing:-.01em;border-radius:14px;box-shadow:0 6px 20px rgba(231,76,60,.35),0 2px 0 rgba(0,0,0,.2);transition:transform .12s ease}.mundart-sticky-btn:active{transform:translateY(2px)}@media (min-width:720px){.mundart-sticky-cta{display:none}}.mundart-home-foot{text-align:center;font-size:12px;color:#6a7a8a;padding-top:16px;border-top:1px solid rgba(255,255,255,.08)}.mundart-home-foot a{color:#8db8ff;text-decoration:none}:root{--accent-orange:#f4a300;--accent-orange-deep:#c98300}.mundart-prompt{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--fg-3,#4a5a6a);margin-bottom:8px}.mundart-card-de,.mundart-prompt{font-weight:800;text-align:center}.mundart-card-de{font-size:36px;color:var(--fg-1,#1a1a1a);font-family:Georgia,Times New Roman,serif;letter-spacing:-.01em;line-height:1.2;margin:8px 0}.mundart-card-zh{font-size:22px;text-align:center;color:var(--fg-2,#4a4a4a);margin-bottom:8px}.mundart-card-en{font-size:14px;color:var(--fg-3,#6a6a6a);margin-bottom:24px}.mundart-card-en,.mundart-card-gsw{text-align:center;font-style:italic}.mundart-card-gsw{font-size:20px;font-weight:500;color:var(--accent-orange,#cb4b16);letter-spacing:.01em;margin-top:-2px}.mundart-card-gsw:before{content:"🇨🇭 ";font-style:normal;font-size:.85em;margin-right:4px;opacity:.85}.mundart-modes-hint{font-size:12px;font-weight:600;letter-spacing:.04em;color:var(--text-muted,#93a1a1);text-transform:none;margin-bottom:4px;text-align:center}.mundart-pos-chip{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;background:rgba(192,57,43,.12);color:#c0392b;padding:4px 10px;border-radius:999px;margin:0 auto 8px}.mundart-example{background:rgba(0,0,0,.04);border-radius:12px;padding:14px 16px;margin-top:16px;text-align:center;max-width:480px;width:100%}.mundart-example-de{font-size:16px;font-weight:600;color:var(--fg-1,#1a1a1a);margin-bottom:4px}.mundart-example-zh{font-size:14px;color:var(--fg-3,#6a6a6a)}.play-big.mundart-play-xl{width:88px;height:88px;background:var(--accent-orange);box-shadow:0 6px 0 0 var(--accent-orange-deep);color:#fff}.play-big.mundart-play-xl:active{transform:translateY(4px);box-shadow:none}.play-big.mundart-play-xl svg{width:40px;height:40px}@media (min-width:480px){.play-big.mundart-play-xl{width:104px;height:104px}.play-big.mundart-play-xl svg{width:48px;height:48px}}.mundart-replay-hint{margin-top:8px;font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-3,#6a7a8a);text-align:center}.mundart-grade-row{display:grid;grid-template-columns:1fr 1fr;gap:12px;width:100%}.mundart-grade-btn{appearance:none;border:0;cursor:pointer;font-size:16px;font-weight:800;padding:18px 16px;border-radius:14px;letter-spacing:-.01em;transition:transform .12s ease,background .12s ease}.mundart-grade-btn:active{transform:translateY(2px)}.mundart-grade-btn.no{background:transparent;color:#1a2332;border:2px solid #8a99a8}.mundart-grade-btn.no:hover{background:rgba(0,0,0,.05)}.mundart-grade-btn.yes{background:#1f9d4d;color:#fff;box-shadow:0 4px 0 #156d36}.mundart-grade-btn.yes:active{box-shadow:none}.mundart-stt-result{margin-top:12px;padding:10px 14px;background:rgba(0,0,0,.04);border-radius:10px;font-size:14px;text-align:center;min-height:1.4em}.mundart-stt-result.match{background:rgba(46,160,67,.12);color:#1f7a37}.mundart-speed-toggle{display:inline-flex;gap:2px;padding:3px;border-radius:999px;background:rgba(0,0,0,.06);margin:0 8px}.mundart-speed-btn{appearance:none;border:0;background:transparent;font-size:16px;line-height:1;padding:5px 9px;border-radius:999px;cursor:pointer;opacity:.55;transition:opacity .12s ease,background .12s ease}.mundart-speed-btn:hover{opacity:.85}.mundart-speed-btn.active{background:#fff;opacity:1;box-shadow:0 1px 2px rgba(0,0,0,.15)}.mundart-speed-btn:focus-visible{outline:2px solid #2a6df4;outline-offset:2px}body.mundart-fullscreen>nav.legacy-topnav{display:none!important}body.mundart-fullscreen>main.legacy-main{padding:0!important;overflow:visible!important;flex:1 1 auto!important;display:flex;flex-direction:column}body.mundart-fullscreen .depot-shell-root,body.mundart-fullscreen .dsys-app{display:none!important;pointer-events:none!important}body.mundart-fullscreen>main.legacy-main{pointer-events:auto;position:relative;z-index:10}.mundart-lesson-screen{position:relative;z-index:20}body.mundart-fullscreen>button[style*="position: fixed"],body.mundart-fullscreen>button[style*="position:fixed"],body.mundart-fullscreen>div.fixed.bottom-0{display:none!important}.mundart-lesson-screen{min-height:100dvh;height:100dvh;max-width:100vw;overflow:hidden}.mundart-lesson-screen .board,.mundart-lesson-screen .board-wrap{max-width:100vw}.mundart-lesson-screen .board-inner{padding:16px 12px;overflow-y:auto}@media (min-width:480px){.mundart-lesson-screen .board-inner{padding:24px 20px}}.mundart-lesson-screen .ex-footer{padding:12px 14px calc(14px + env(safe-area-inset-bottom, 0px));min-height:76px}.mundart-intro-board{padding-bottom:8px}.mundart-intro-stack{align-items:center;gap:12px;padding:8px 8px 0;max-width:480px;margin:0 auto}.mundart-howto,.mundart-intro-stack{display:flex;flex-direction:column;width:100%}.mundart-howto{list-style:none;margin:8px 0 0;padding:14px 16px;background:rgba(0,0,0,.04);border-radius:12px;gap:8px;font-size:14px;line-height:1.45;color:var(--fg-2,#4a4a4a);counter-reset:mhow}.mundart-howto li{position:relative;padding-left:28px;counter-increment:mhow}.mundart-howto li:before{content:counter(mhow);position:absolute;left:0;top:0;width:20px;height:20px;border-radius:50%;background:#c0392b;color:#fff;font-size:11px;font-weight:800;display:grid;place-items:center}.mundart-howto-foot{font-size:12px;color:var(--fg-3,#6a7a8a);text-align:center;margin:6px 0 0}.mundart-intro-footer{padding:12px 16px calc(16px + env(safe-area-inset-bottom, 0px))!important}.mundart-start-btn{display:flex;align-items:center;justify-content:center;gap:8px;width:100%;min-height:64px;padding:18px 20px;background:linear-gradient(135deg,#c0392b,#e74c3c);color:#fff;font-size:18px;font-weight:800;letter-spacing:-.01em;border:0;border-radius:14px;box-shadow:0 6px 20px rgba(231,76,60,.35),0 4px 0 rgba(0,0,0,.12);cursor:pointer;transition:transform .12s ease,box-shadow .12s ease}.mundart-start-btn:active{transform:translateY(2px);box-shadow:0 3px 10px rgba(231,76,60,.3),0 2px 0 rgba(0,0,0,.12)}.mundart-start-btn:focus-visible{outline:3px solid #2a6df4;outline-offset:3px}.mundart-listenmc-stack{align-items:center;gap:14px;max-width:520px;margin:0 auto}.mundart-listenmc-stack,.mundart-mc-cards{display:flex;flex-direction:column;width:100%}.mundart-mc-cards{gap:10px;margin-top:8px}.mundart-mc-card{appearance:none;display:flex;align-items:center;gap:14px;width:100%;padding:14px 16px;background:var(--bg-card,#eee8d5);border:2px solid transparent;border-radius:14px;text-align:left;cursor:pointer;transition:border-color .12s ease,background .12s ease,transform .12s ease;font:inherit;color:var(--fg-1,#073642)}.mundart-mc-card:hover:not(:disabled){background:rgba(38,139,210,.08)}.mundart-mc-card:active:not(:disabled){transform:translateY(1px)}.mundart-mc-card.sel{border-color:var(--accent-blue,#268bd2);background:rgba(38,139,210,.1)}.mundart-mc-card.correct{border-color:#1f9d4d;background:rgba(31,157,77,.12)}.mundart-mc-card.wrong{border-color:#c0392b;background:rgba(192,57,43,.1)}.mundart-mc-card.dim{opacity:.55}.mundart-mc-card:focus-visible{outline:3px solid #2a6df4;outline-offset:2px}.mundart-mc-num{flex:0 0 auto;width:32px;height:32px;border-radius:999px;background:rgba(7,54,66,.08);color:var(--fg-1,#073642);font-size:14px;font-weight:800;display:grid;place-items:center}.mundart-mc-card.sel .mundart-mc-num{background:var(--accent-blue,#268bd2);color:#fff}.mundart-mc-card.correct .mundart-mc-num{background:#1f9d4d;color:#fff}.mundart-mc-card.wrong .mundart-mc-num{background:#c0392b;color:#fff}.mundart-mc-text{display:flex;flex-direction:column;gap:2px;flex:1 1 auto;min-width:0}.mundart-mc-de{font-size:17px;font-weight:700;color:var(--fg-1,#073642)}.mundart-mc-zh{font-size:13px;color:var(--fg-3,#586e75)}.mundart-speak-stack{display:flex;flex-direction:column;align-items:center;gap:10px;width:100%;max-width:480px;margin:0 auto}.mundart-hear-btn{appearance:none;border:1.5px solid rgba(7,54,66,.18);background:transparent;color:var(--fg-2,#586e75);font-size:13px;font-weight:700;letter-spacing:.02em;display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;cursor:pointer;transition:background .12s ease,border-color .12s ease;margin-top:4px}.mundart-hear-btn:hover{background:rgba(0,0,0,.04);border-color:rgba(7,54,66,.32)}.mundart-hear-btn svg{stroke:currentColor}.mundart-mic-btn{appearance:none;border:0;cursor:pointer;width:88px;height:88px;border-radius:50%;background:var(--accent-blue,#268bd2);color:#fff;display:grid;place-items:center;box-shadow:0 6px 0 0 #1d6fa6;transition:transform .12s ease,box-shadow .12s ease,background .12s ease;margin-top:8px}.mundart-mic-btn:active{transform:translateY(4px);box-shadow:none}.mundart-mic-btn.recording{background:#c0392b;box-shadow:0 6px 0 0 #8b2820;animation:mundart-mic-pulse 1.2s ease-in-out infinite}@keyframes mundart-mic-pulse{0%,to{box-shadow:0 6px 0 0 #8b2820,0 0 0 0 rgba(192,57,43,.45)}50%{box-shadow:0 6px 0 0 #8b2820,0 0 0 14px rgba(192,57,43,0)}}.mundart-mic-btn:focus-visible{outline:3px solid #2a6df4;outline-offset:4px}@media (min-width:480px){.mundart-mic-btn{width:104px;height:104px}}.mundart-mic-hint{font-size:12px;font-weight:700;letter-spacing:.06em;text-transform:uppercase;color:var(--fg-3,#586e75)}.mundart-stt-result.miss{background:rgba(192,57,43,.1);color:#8b2820}.mundart-lesson-pill{display:inline-flex;align-items:center;font-size:12px;font-weight:800;letter-spacing:.04em;padding:5px 12px;border-radius:999px;background:rgba(192,57,43,.12);color:#c0392b;white-space:nowrap}