:root{--bg: #0c0618;--bg-alt: #1a0f2e;--bg-card: #160d24;--bg-darker: #080412;--text-primary: #f1f5f9;--text-secondary: #cbd5e1;--text-muted: #94a3b8;--border: #334155;--primary: #9333ea;--primary-dark: #7e22ce;--secondary: #d946ef;--accent: #c084fc;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--radius: 12px;--radius-sm: 8px;--shadow: 0 12px 36px rgba(0, 0, 0, .35);--shadow-soft: 0 6px 18px rgba(147, 51, 234, .18);--header-bg: #efe6ff;--header-text: #2e1065;--header-muted: #6b21a8;--brand-glow: rgba(147, 51, 234, .18)}[data-theme=light]{--bg: #f5f0ff;--bg-alt: #efe6ff;--bg-card: #ffffff;--bg-darker: #e9dfff;--text-primary: #1e1033;--text-secondary: #4c1d95;--text-muted: #6b7280;--border: #d8c8f0;--primary: #9333ea;--primary-dark: #7e22ce;--secondary: #c026d3;--accent: #a855f7;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--shadow: 0 8px 24px rgba(147, 51, 234, .1);--shadow-soft: 0 4px 14px rgba(147, 51, 234, .08);--header-bg: #efe6ff;--header-text: #2e1065;--header-muted: #6b21a8;--brand-glow: rgba(147, 51, 234, .12)}[data-theme=system]{--bg: #f3f4f6;--bg-alt: #ebe4f7;--bg-card: #ffffff;--bg-darker: #e5e7eb;--text-primary: #1a1d23;--text-secondary: #4a4e57;--text-muted: #70757e;--border: #d4d4d8;--primary: #9333ea;--primary-dark: #7e22ce;--secondary: #d946ef;--accent: #c084fc;--danger: #ef4444;--success: #10b981;--warning: #f59e0b;--shadow: 0 8px 24px rgba(0, 0, 0, .06);--shadow-soft: 0 4px 14px rgba(147, 51, 234, .08);--header-bg: #efe6ff;--header-text: #2e1065;--header-muted: #6b21a8;--brand-glow: rgba(147, 51, 234, .1)}[data-font-size=small]{font-size:13px}[data-font-size=medium]{font-size:15px}[data-font-size=large]{font-size:17px}[data-font-size=small] .dialog-chinese{font-size:22px}[data-font-size=small] .dialog-pinyin,[data-font-size=small] .dialog-english{font-size:13px}[data-font-size=small] .card-hanzi{font-size:40px}[data-font-size=small] .card-pinyin{font-size:15px}[data-font-size=small] .card-english{font-size:17px}[data-font-size=large] .dialog-chinese{font-size:32px}[data-font-size=large] .dialog-pinyin,[data-font-size=large] .dialog-english{font-size:18px}[data-font-size=large] .card-hanzi{font-size:56px}[data-font-size=large] .card-pinyin{font-size:22px}[data-font-size=large] .card-english{font-size:24px}*,*:before,*:after{box-sizing:border-box}html,body,#root{height:100%;margin:0;padding:0}body{font-family:Inter,Noto Sans,Segoe UI,system-ui,-apple-system,sans-serif;background:var(--bg);background-image:radial-gradient(ellipse at 50% -20%,var(--brand-glow),transparent 55%);background-attachment:fixed;color:var(--text-primary);line-height:1.6}button,input,select,textarea{font-family:inherit}.app-container{display:flex;flex-direction:column;height:100vh;background:var(--bg)}.topnav{display:flex;align-items:center;gap:6px;padding:0 14px;background:var(--header-bg);border-bottom:1px solid rgba(147,51,234,.18);height:44px;flex-shrink:0;box-shadow:0 4px 16px #9333ea14}.topnav-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--header-text);white-space:nowrap;margin-right:8px;padding-right:12px;border-right:1px solid rgba(147,51,234,.22);letter-spacing:-.02em}.topnav-brand-link{text-decoration:none;border-radius:8px;transition:opacity .15s ease}.topnav-brand-link:hover{opacity:.75}.topnav-logo{display:block;height:32px;width:auto;max-width:140px;object-fit:contain;background:transparent}.topnav-brand-text{color:var(--header-text)}.topnav-links{display:flex;gap:4px;align-items:center}.topnav-item{display:flex;gap:5px;align-items:center;padding:6px 12px;border-radius:8px;border:1px solid transparent;background:transparent;color:var(--header-muted);cursor:pointer;font-size:12px;font-weight:600;white-space:nowrap;transition:all .15s ease}.topnav-item:hover{background:#9333ea1a;color:var(--header-text);border-color:#9333ea40}.topnav-item.active{background:var(--primary);color:#fff;border-color:var(--primary);box-shadow:0 4px 12px #9333ea59}.topnav-right{margin-left:auto;display:flex;align-items:center;gap:6px}.theme-toggle{border:1px solid rgba(147,51,234,.35);background:#ffffff8c;color:var(--header-text);border-radius:8px;padding:4px 10px;cursor:pointer;font-size:13px}.theme-toggle:hover{border-color:var(--primary);background:#9333ea1f}.topnav-sibling{display:inline-flex;align-items:center;gap:4px;border:1px solid rgba(147,51,234,.35);background:#ffffff8c;color:var(--header-text);border-radius:8px;padding:4px 10px;font-size:13px;text-decoration:none;white-space:nowrap}.topnav-sibling:hover{border-color:var(--primary);background:#9333ea1f}.lang-select{border:1px solid rgba(147,51,234,.35);background:#ffffff8c;color:var(--header-text);border-radius:8px;padding:4px 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.card-type-badge{color:#0f766e;background:#2dd4bf29}.flashcard.fc-vocab .card-type-badge{color:var(--primary);background:color-mix(in srgb,var(--primary) 12%,transparent)}.card-example{margin-top:10px;padding:10px 12px;border-radius:var(--radius-sm);background:var(--bg-alt);text-align:left;width:min(100%,420px)}.card-example-zh{font-size:1.05rem;color:var(--text-primary);margin-bottom:4px}.card-example-en{font-size:.9rem;color:var(--text-secondary)}@media (max-width: 820px){.topnav{height:auto;min-height:44px;flex-wrap:wrap;padding:4px 8px;row-gap:2px}.topnav-brand-text{display:none}.topnav-brand{margin-right:4px;padding-right:8px}.topnav-sibling-text{display:none}.topnav-sibling{padding:4px 8px}.picker-panel .lesson-list{max-height:38vh}.dialog-toolbar{flex-wrap:wrap;row-gap:4px}.lesson-topbar{flex-wrap:wrap}.lesson-topbar-tabs{flex:1 1 100%;flex-wrap:wrap;min-width:0}.toolbar-btn{padding:6px 10px;font-size:13px}.toolbar-btn.play.primary{padding:7px 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span{display:block;width:0;height:100%;border-radius:inherit;background:linear-gradient(90deg,#9333ea,#c084fc);transition:width .24s ease}.boot-failed .boot-progress span{background:#e11d48}.boot-failed .boot-status{color:#fda4af}.boot-status code{color:#e9d5ff}.typing-answer-field{width:100%;display:flex;flex-direction:column;gap:8px}.taf-row{display:flex;gap:8px;width:100%}.taf-input{flex:1;padding:12px 14px;border-radius:var(--radius-sm);border:1px solid var(--border);background:var(--bg);color:var(--text-primary);font-size:1rem;outline:none;transition:border-color .15s ease,box-shadow .15s ease}.taf-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px var(--brand-glow)}.taf-input.taf-ok{border-color:var(--success);box-shadow:0 0 0 3px #10b98133}.taf-input.taf-close{border-color:var(--warning)}.taf-help{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:.8rem;color:var(--text-muted)}.taf-hint-btn{border:1px solid 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8px}.taf-check-banner.correct{color:var(--success);background:#10b9811f}.taf-check-banner.close{color:var(--warning);background:#f59e0b1f}.taf-check-banner.wrong{color:var(--danger);background:#ef44441f}.tour-launch{font-size:.82rem;font-weight:600;padding:.34rem .72rem;border-radius:999px;border:1px solid var(--primary);background:color-mix(in srgb,var(--primary) 20%,transparent);color:var(--text-primary);cursor:pointer;transition:background .15s ease,transform .15s ease}.tour-launch:hover{background:color-mix(in srgb,var(--primary) 38%,transparent);transform:translateY(-1px)}.tour-root{position:fixed;top:0;right:0;bottom:0;left:0;z-index:9000;pointer-events:none;display:none}.tour-root.is-open{display:block}.tour-spotlight{position:fixed;border-radius:12px;box-shadow:0 0 0 9999px #06030f9e;outline:2px solid var(--accent);outline-offset:2px;transition:left .25s ease,top .25s ease,width .25s ease,height .25s ease;pointer-events:none}.tour-pop{position:fixed;width:min(360px,calc(100vw - 24px));max-width:360px;background:var(--bg-card);border:1px solid var(--border);border-radius:14px;box-shadow:0 16px 40px #00000073;padding:1rem 1.05rem .85rem;color:var(--text-primary);pointer-events:auto;transition:left .25s ease,top .25s ease}.tour-pop.is-centered{left:50%;top:50%;transform:translate(-50%,-50%)}.tour-bar{position:absolute;left:0;top:0;height:3px;width:100%;background:color-mix(in srgb,var(--text-primary) 10%,transparent);border-radius:14px 14px 0 0;overflow:hidden}.tour-bar-fill{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent))}.tour-close{position:absolute;top:.5rem;right:.55rem;border:none;background:transparent;color:var(--text-muted);font-size:.95rem;cursor:pointer;line-height:1;padding:.2rem}.tour-close:hover{color:var(--text-primary)}.tour-title{margin:.2rem 0 .4rem;font-size:1.02rem;padding-right:1.2rem}.tour-body{margin:0 0 .8rem;font-size:.9rem;line-height:1.45;color:var(--text-secondary, var(--text-primary))}.tour-foot{display:flex;align-items:center;justify-content:space-between;gap:.6rem;flex-wrap:wrap}.tour-dots{display:inline-flex;gap:5px}.tour-dot{width:6px;height:6px;border-radius:50%;background:var(--border);display:inline-block}.tour-dot.is-on{background:var(--accent);transform:scale(1.25)}.tour-actions{display:inline-flex;gap:.35rem}.tour-btn{font-size:.8rem;font-weight:600;padding:.32rem .62rem;border-radius:8px;border:1px solid var(--border);background:var(--bg-alt);color:var(--text-primary);cursor:pointer;transition:background .15s ease,border-color .15s ease}.tour-btn:hover:not(:disabled){border-color:var(--accent)}.tour-next{background:var(--primary);border-color:var(--primary);color:#fff}.tour-next:hover{background:var(--primary-dark)}.tour-btn:disabled{opacity:.4;cursor:default}.tour-offer{position:fixed;right:18px;bottom:18px;z-index:8500;width:min(340px,calc(100vw - 24px));display:flex;flex-wrap:wrap;align-items:center;gap:.55rem;padding:.85rem .95rem;background:var(--bg-card);border:1px solid var(--primary);border-radius:14px;box-shadow:0 16px 40px #00000073;color:var(--text-primary);opacity:0;transform:translateY(14px);transition:opacity .25s ease,transform .25s ease}.tour-offer.is-in{opacity:1;transform:translateY(0)}.tour-offer-emoji{font-size:1.4rem}.tour-offer-text{flex:1 1 220px;font-size:.88rem;line-height:1.4}.tour-offer-actions{display:flex;gap:.4rem;margin-left:auto}.tour-offer-yes{background:var(--primary);border-color:var(--primary);color:#fff}.tour-offer-yes:hover{background:var(--primary-dark)}@media (max-width: 640px){.tour-pop{left:12px!important;right:12px;width:auto;bottom:12px;top:auto!important}.tour-offer{left:12px;right:12px;width:auto}}@media (prefers-reduced-motion: reduce){.tour-spotlight,.tour-pop,.tour-offer,.tour-bar-fill{transition:none}}.topic-intro-overlay{z-index:1100}.topic-intro{background:var(--bg-card);border:1px solid 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var(--border)}.topic-intro-tag.level{color:var(--success)}.topic-intro-tag.muted{color:var(--text-muted);background:transparent}.topic-intro-body{padding:14px 20px;overflow-y:auto}.topic-intro-section+.topic-intro-section{margin-top:16px}.topic-intro-section-title{font-size:13px;font-weight:600;color:var(--text-secondary);margin-bottom:10px}.grammar-list{display:flex;flex-direction:column;gap:8px}.grammar-item{display:flex;gap:12px;align-items:flex-start;background:var(--bg-darker);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px}.grammar-hanzi{flex-shrink:0;background:none;border:none;cursor:pointer;font-size:20px;font-weight:600;color:var(--accent);padding:0;line-height:1.4}.grammar-hanzi:hover{color:var(--secondary)}.grammar-detail{min-width:0}.grammar-head{display:flex;flex-wrap:wrap;gap:6px 10px;align-items:baseline}.grammar-pinyin{font-size:13px;color:var(--warning);font-style:italic}.grammar-note{font-size:13px;color:var(--text-secondary)}.grammar-example{margin-top:4px;font-size:13px;color:var(--text-muted);cursor:pointer}.grammar-example:hover .grammar-example-zh{color:var(--accent)}.grammar-example-zh{color:var(--text-primary)}.intro-vocab-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(130px,1fr));gap:8px}.intro-vocab-chip{display:flex;flex-direction:column;align-items:center;gap:2px;padding:10px 8px;background:var(--bg-darker);border:1px solid var(--border);border-radius:var(--radius-sm);cursor:pointer;text-align:center;transition:border-color .15s ease,transform .15s ease}.intro-vocab-chip:hover{border-color:var(--accent);transform:translateY(-1px)}.intro-vocab-hanzi{font-size:18px;font-weight:600;color:var(--text-primary)}.intro-vocab-pinyin{font-size:12px;color:var(--warning);font-style:italic}.intro-vocab-english{font-size:12px;color:var(--text-muted)}.topic-intro-empty{padding:20px 0;text-align:center;color:var(--text-muted);font-size:14px}.topic-intro-footer{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px 16px;border-top:1px solid var(--border)}.topic-intro-hint{font-size:12px;color:var(--text-muted)}.topic-intro-skip{padding:10px 22px;font-size:15px}@media (max-width: 600px){.topic-intro{width:96vw;max-height:90vh}.intro-vocab-grid{grid-template-columns:repeat(auto-fill,minmax(104px,1fr))}}.stg-tab-section{padding:0;max-width:none}.lab-root{display:flex;flex-direction:column;gap:12px}.lab-panels{display:flex;gap:8px;padding:4px 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#f0b35a)}.lab-watch-en{color:var(--stg-muted, #8b95a8)}.lab-watch-actions{display:flex;gap:8px;align-items:center;margin-top:6px}.lab-empty{display:flex;flex-direction:column;align-items:center;gap:8px;padding:48px 16px;text-align:center;color:var(--text-muted, #8b95a8)}.lab-empty-hint{font-size:.9rem;opacity:.75}.stg-input-wrap.reject{animation:dec-shake .32s ease}.stg-input-wrap.reject .stg-input{border-color:#f87171}@media (prefers-reduced-motion: reduce){.stg-input-wrap.reject{animation:none}}.stg-root{--stg-bg: #141820;--stg-card: #1c2330;--stg-accent: #f0b35a;--stg-text: #e8ecf2;--stg-muted: #8b95a8;position:relative;min-height:min(70vh,640px);background:radial-gradient(ellipse 80% 50% at 50% -10%,rgba(240,179,90,.12),transparent 55%),var(--stg-bg);color:var(--stg-text);border-radius:14px;border:1px solid rgba(255,255,255,.06);overflow:hidden;font-family:Segoe UI,Noto Sans SC,PingFang 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42px;font-size:1.15rem;font-weight:600;border:none;border-radius:999px;background:var(--stg-accent);color:#1a1208;cursor:pointer}.stg-start-btn:hover{filter:brightness(1.06)}.stg-meta{font-size:.85rem;color:var(--stg-muted);margin:0}.stg-play{display:flex;flex-direction:column;min-height:560px;transition:background-color .25s ease}.stg-flash-ok{background:radial-gradient(ellipse 70% 40% at 50% 30%,rgba(74,222,128,.18),transparent 60%),var(--stg-bg)}.stg-flash-bad{background:radial-gradient(ellipse 70% 40% at 50% 30%,rgba(248,113,113,.18),transparent 60%),var(--stg-bg)}.stg-hud{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:14px 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28px}.stg-ring-wrap{position:relative;width:260px;height:260px;display:grid;place-items:center}.stg-ring{position:absolute;top:0;right:0;bottom:0;left:0;width:100%;height:100%;transform:rotate(-90deg);pointer-events:none}.stg-ring-track{fill:none;stroke:#ffffff14;stroke-width:4}.stg-ring-bar{fill:none;stroke-width:4;stroke-linecap:round;transition:stroke .15s linear,stroke-dashoffset .1s linear}.stg-writer-box{width:220px;height:220px;border-radius:16px;background:#ffffff08;display:grid;place-items:center;z-index:1}.stg-loading{position:absolute;z-index:2;font-size:.85rem;color:var(--stg-muted)}.stg-word-label{position:absolute;bottom:-6px;font-size:1.4rem;font-weight:600;color:var(--stg-accent);z-index:2}.stg-input-wrap{display:flex;gap:10px;width:min(420px,100%);align-items:center}.stg-input{flex:1;padding:14px 16px;font-size:1.2rem;border-radius:12px;border:1px solid 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.25s ease}.stg-resolve-py{font-size:1.6rem;color:var(--stg-accent);font-weight:600}.stg-resolve-en{margin-top:4px;color:var(--stg-muted)}.stg-resolve-pts{margin-top:10px;font-size:1.3rem;font-weight:700}.stg-resolve-pts.ok{color:#4ade80}.stg-resolve-pts.bad{color:#f87171}@keyframes stg-fade-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.stg-results-score{font-size:3.5rem;font-weight:800;color:var(--stg-accent);font-variant-numeric:tabular-nums}.stg-results-grid{display:flex;gap:28px;flex-wrap:wrap;justify-content:center}.stg-results-grid div{display:flex;flex-direction:column;gap:4px;min-width:90px}.stg-results-grid span{font-size:.75rem;color:var(--stg-muted);text-transform:uppercase;letter-spacing:.05em}.stg-results-grid strong{font-size:1.35rem}.stg-missed{width:min(420px,100%);text-align:left;background:var(--stg-card);border-radius:12px;padding:14px 16px;border:1px solid rgba(255,255,255,.06)}.stg-missed h3{margin:0 0 10px;font-size:.9rem;color:var(--stg-muted)}.stg-missed ul{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:8px}.stg-missed li{display:grid;grid-template-columns:auto 1fr 1.2fr;gap:10px;align-items:baseline;font-size:.95rem}.stg-missed-hanzi{font-size:1.25rem;font-weight:700;color:var(--stg-accent)}.stg-missed-py{color:var(--stg-text)}.stg-missed-en{color:var(--stg-muted);font-size:.85rem}.stg-mascot{position:absolute;left:50%;bottom:18%;transform:translate(-50%);z-index:20;pointer-events:none}.stg-mascot-happy{animation:stg-hop-run 1.15s ease forwards}.stg-mascot-sad{animation:stg-wobble-fall 1.15s ease forwards}.stg-dust{position:absolute;left:10px;bottom:4px;width:18px;height:8px;border-radius:50%;background:#ffffff40;filter:blur(2px);animation:stg-dust 1.15s ease forwards}@keyframes stg-hop-run{0%{transform:translate(-50%) translateY(0) scale(1);opacity:0}15%{opacity:1;transform:translate(-50%) translateY(-18px) scale(1.05)}30%{transform:translate(-50%) 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#f0b35a);letter-spacing:.04em}.stg-prompt-en{font-size:clamp(1.5rem,4.5vw,2.2rem);font-weight:600;color:#e8ecf2;text-transform:lowercase}.stg-ring-idle .stg-writer-box{background:#ffffff05}.stg-draw-hint{position:absolute;bottom:10px;z-index:2;font-size:.75rem;color:var(--stg-muted, #8b95a8);text-align:center;padding:0 12px}.stg-draw-status{font-size:.95rem;color:var(--stg-muted, #8b95a8)}.stg-draw-miss{color:#f87171}.stg-draw-switch{margin-top:-6px;padding:10px 18px;border-radius:999px;border:1px solid rgba(240,179,90,.45);background:#f0b35a1f;color:var(--stg-accent, #f0b35a);font-weight:600;cursor:pointer}.stg-draw-switch:hover{background:#f0b35a33}.stg-choice-draw{grid-column:1 / -1;justify-content:center;color:var(--stg-accent, #f0b35a);border-color:#f0b35a59}.stg-resolve-hanzi{font-size:2.4rem;font-weight:700;color:var(--stg-accent, #f0b35a);line-height:1.1}.stg-mystery{position:absolute;z-index:1;font-size:5rem;font-weight:700;color:#ffffff1f;pointer-events:none;line-height:1}.dec-root{--dec-bg: #16120e;--dec-card: #221c16;--dec-text: #f3ebe1;--dec-muted: #9a8f82;--dec-phon: #f0b35a;--dec-sem: #6ec6c0;--dec-accent: #f0b35a;position:relative;min-height:min(72vh,680px);background:radial-gradient(ellipse 70% 45% at 50% -8%,rgba(240,179,90,.14),transparent 55%),var(--dec-bg);color:var(--dec-text);border-radius:14px;border:1px solid rgba(255,255,255,.06);overflow:hidden}.dec-phon{color:var(--dec-phon);font-weight:700}.dec-sem{color:var(--dec-sem);font-weight:700}.dec-start,.dec-results,.dec-family{display:flex;flex-direction:column;align-items:center;gap:16px;padding:40px 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24px;border-radius:999px;border:1px solid rgba(255,255,255,.15);background:transparent;color:var(--dec-text);cursor:pointer}.dec-meta{color:var(--dec-muted);font-size:.85rem;margin:0}.dec-play{min-height:580px;display:flex;flex-direction:column}.dec-flash-ok{background:radial-gradient(ellipse 70% 40% at 50% 30%,rgba(110,198,192,.18),transparent 60%),var(--dec-bg)}.dec-flash-bad{background:radial-gradient(ellipse 70% 40% at 50% 30%,rgba(248,113,113,.16),transparent 60%),var(--dec-bg)}.dec-hud{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;padding:14px 18px;gap:10px}.dec-score{display:flex;align-items:baseline;gap:8px}.dec-streak{display:flex;align-items:baseline;gap:8px;justify-content:flex-end}.dec-label{font-size:.68rem;text-transform:uppercase;letter-spacing:.06em;color:var(--dec-muted)}.dec-val{font-size:1.4rem;font-weight:700;font-variant-numeric:tabular-nums}.dec-mult{color:var(--dec-accent);font-weight:600;font-size:.85rem}.dec-mult.pop{animation:stg-pop .35s ease}.dec-round{color:var(--dec-muted);font-variant-numeric:tabular-nums;display:flex;align-items:center;gap:8px}.dec-blind-tag{font-size:.7rem;padding:3px 8px;border-radius:999px;background:#f0b35a33;color:var(--dec-accent);font-weight:600}.dec-inv{position:absolute;top:52px;right:16px;font-size:.8rem;color:var(--dec-muted);background:#00000040;padding:6px 10px;border-radius:999px;z-index:5}.dec-inv.pop{animation:stg-pop .4s ease}.dec-inv-new{margin-left:6px;color:var(--dec-phon);font-weight:700}.dec-stage{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;padding:8px 16px 28px}.dec-ring-wrap{position:relative;width:260px;height:260px;display:grid;place-items:center}.dec-ring{position:absolute;top:0;right:0;bottom:0;left:0;transform:rotate(-90deg);pointer-events:none}.dec-ring-track{fill:none;stroke:#ffffff14;stroke-width:4}.dec-ring-bar{fill:none;stroke-width:4;stroke-linecap:round;transition:stroke .15s linear,stroke-dashoffset .1s 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#f0b35a33}.py-keys{display:flex;gap:8px;align-items:center;justify-content:center;flex-wrap:wrap;width:min(440px,100%);min-height:48px}.py-key{min-width:52px;min-height:44px;padding:8px 12px;border-radius:10px;border:1px solid rgba(255,255,255,.14);background:#ffffff0d;color:inherit;font-size:1.15rem;font-weight:600;cursor:pointer;transition:background .12s ease,border-color .12s ease;touch-action:manipulation;-webkit-user-select:none;user-select:none}.py-key:hover,.py-key:focus-visible{background:#ffffff1a}.py-key:active{transform:translateY(1px)}.py-key-neutral,.py-key-alt{font-size:1rem;opacity:.75}.py-keys-stg .py-key:hover,.py-keys-stg .py-key:focus-visible{border-color:var(--stg-accent)}.py-keys-dec .py-key:hover,.py-keys-dec .py-key:focus-visible{border-color:var(--dec-accent)}.py-keys-hint{font-size:.8rem;opacity:.5}@media (max-width: 480px){.py-key{min-width:46px;padding:8px 10px}.py-keys{gap:6px}}@media (prefers-reduced-motion: reduce){.py-key{transition:none}.py-key:active{transform:none}}.dec-inputs.reject{animation:dec-shake .32s ease}.dec-inputs.reject .dec-input{border-color:#f87171}@keyframes dec-shake{0%,to{transform:translate(0)}20%{transform:translate(-6px)}40%{transform:translate(6px)}60%{transform:translate(-4px)}80%{transform:translate(4px)}}@media (prefers-reduced-motion: reduce){.dec-inputs.reject{animation:none}}.dec-submit{padding:12px 16px;border:none;border-radius:12px;background:var(--dec-accent);color:#1a1208;font-weight:700;cursor:pointer}.dec-hint-btn{border:none;background:transparent;color:var(--dec-muted);cursor:pointer;font-size:.85rem;text-decoration:underline;text-underline-offset:3px}.dec-choices{display:grid;grid-template-columns:1fr 1fr;gap:10px;width:min(400px,100%)}.dec-choice{display:flex;align-items:center;gap:10px;min-height:52px;padding:10px 14px;border-radius:12px;border:1px solid rgba(255,255,255,.12);background:var(--dec-card);color:var(--dec-text);font-size:1.2rem;cursor:pointer}.dec-choice kbd{display:inline-grid;place-items:center;width:22px;height:22px;border-radius:6px;background:#ffffff14;font-size:.7rem;color:var(--dec-muted)}.dec-resolve{text-align:center;animation:stg-fade-in .25s ease}.dec-resolve-hanzi{font-size:2.6rem;font-weight:700;color:var(--dec-accent)}.dec-resolve-py{font-size:1.4rem;color:var(--dec-phon);margin-top:4px}.dec-resolve-en{color:var(--dec-muted);margin-top:2px}.dec-breakdown{margin-top:10px;font-size:.95rem;color:var(--dec-text)}.dec-drift{color:#fbbf24;font-size:.85rem;margin:8px 0 0}.dec-pts{margin-top:10px;font-size:1.25rem;font-weight:700}.dec-pts.ok{color:#4ade80}.dec-pts.bad{color:#f87171}.dec-results-score{font-size:3.4rem;font-weight:800;color:var(--dec-accent);font-variant-numeric:tabular-nums}.dec-results-grid{display:grid;grid-template-columns:repeat(4,minmax(70px,1fr));gap:16px;width:min(440px,100%)}.dec-results-grid 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h2{margin:0}.dec-link{background:none;border:none;color:var(--dec-accent);cursor:pointer;font-size:.95rem}.dec-family-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:12px;width:100%;max-width:900px;margin:0 auto}.dec-fam-card{background:var(--dec-card);border-radius:12px;padding:12px;border:1px solid rgba(255,255,255,.06);text-align:left}.dec-fam-card.locked{opacity:.45}.dec-fam-root{display:flex;flex-direction:column;gap:2px;margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid rgba(255,255,255,.06)}.dec-fam-root span:first-child{font-size:1.8rem}.dec-fam-kids{display:grid;grid-template-columns:1fr 1fr;gap:6px}.dec-fam-kids div{display:flex;flex-direction:column;font-size:.85rem}.dec-fam-kids .dim{opacity:.35}.dec-fam-kids strong{font-size:1.15rem}.dec-mascot{position:absolute;left:50%;bottom:16%;transform:translate(-50%);z-index:20;pointer-events:none}.dec-mascot-happy{animation:stg-hop-run 1.15s ease forwards}.dec-mascot-sad{animation:stg-wobble-fall 1.15s ease forwards}@media (prefers-reduced-motion: reduce){.dec-fly{animation:none;opacity:0}.dec-mascot-happy,.dec-mascot-sad{animation:stg-fade-mascot .6s ease forwards}}@media (max-width: 560px){.dec-results-grid{grid-template-columns:1fr 1fr}.dec-choices{grid-template-columns:1fr}.dec-hanzi{font-size:5rem}}