:root{--bg: #0e0e1a;--bg-grad: radial-gradient(1200px 800px at 50% -10%, #21214a 0%, #0e0e1a 60%);--card: #1b1b38;--card-2: #23234a;--border: #34346a;--text: #f3f2ff;--muted: #a6a3d0;--accent: #7c6cff;--accent-2: #ff6cab;--gold: #ffd166;--green: #38d39f;--pinyin: #8ee3ff;--r-lg: 28px;--r-md: 20px;font-family:-apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Helvetica Neue,system-ui,sans-serif;color:var(--text);-webkit-font-smoothing:antialiased;-webkit-tap-highlight-color:transparent}*{box-sizing:border-box;margin:0;-webkit-user-select:none;user-select:none}html,body,#root{height:100%}body{background:var(--bg);background-image:var(--bg-grad);background-attachment:fixed;overflow-x:hidden}#root{max-width:920px;margin:0 auto;padding:max(16px,env(safe-area-inset-top)) 18px max(24px,env(safe-area-inset-bottom))}.btn{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:none;border-radius:var(--r-md);font:inherit;font-weight:700;color:#fff;padding:18px 22px;background:linear-gradient(135deg,var(--accent),#5a48e0);box-shadow:0 8px #4536b0,0 14px 24px #00000059;cursor:pointer;transition:transform .08s ease,box-shadow .08s ease;touch-action:manipulation}.btn:active{transform:translateY(6px);box-shadow:0 2px #4536b0,0 6px 12px #00000059}.btn.pink{background:linear-gradient(135deg,var(--accent-2),#e0457f);box-shadow:0 8px #b02f63,0 14px 24px #00000059}.btn.ghost{background:var(--card);box-shadow:0 6px #0c0c1d;color:var(--muted)}.row{display:flex;gap:12px;align-items:center}.spacer{flex:1}.pinyin{color:var(--pinyin);font-weight:700;letter-spacing:.02em}.hanzi{font-weight:800;line-height:1}.topbar{display:flex;align-items:center;gap:12px;margin-bottom:18px}.topbar h1{font-size:22px;letter-spacing:.02em}.pill{margin-left:auto;background:var(--card);border:1px solid var(--border);border-radius:999px;padding:8px 16px;font-weight:800;color:var(--gold)}.iconbtn{background:var(--card);border:1px solid var(--border);color:var(--text);width:48px;height:48px;border-radius:14px;font-size:22px;cursor:pointer}.world-hero{background:linear-gradient(135deg,#2a2a5e,#18183a);border:1px solid var(--border);border-radius:var(--r-lg);padding:22px;text-align:center;margin-bottom:16px}.world-hero .emoji{font-size:64px}.world-hero h2{font-size:24px;margin-top:6px}.world-hero p{color:var(--muted);margin-top:4px}.section-title{margin:22px 4px 12px;color:var(--muted);font-weight:700;font-size:15px}.story-card{display:flex;align-items:center;gap:16px;background:var(--card);border:1px solid var(--border);border-radius:var(--r-md);padding:18px;margin-bottom:12px;cursor:pointer}.story-card .scene{font-size:40px}.story-card .meta{flex:1}.story-card .meta b{font-size:19px}.story-card .meta span{display:block;color:var(--muted);font-size:14px;margin-top:2px}.story-card 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18px}.dot{width:9px;height:9px;border-radius:999px;background:var(--border)}.dot.on{background:var(--accent)}.dot.cur{background:var(--gold);transform:scale(1.4)}.flash{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;text-align:center;gap:8px}.bigchar{font-size:clamp(96px,30vw,180px);font-weight:800;line-height:1;cursor:pointer;text-shadow:0 10px 40px rgba(124,108,255,.4)}.bigchar:active{transform:scale(.96)}.tap-hint{color:var(--muted);font-size:15px}.reveal{display:flex;flex-direction:column;align-items:center;gap:6px;animation:pop .25s ease}@keyframes pop{0%{opacity:0;transform:translateY(10px) scale(.95)}}.reveal .py{font-size:30px}.reveal .pic{font-size:56px}.reveal .meaning{font-size:18px;color:var(--text)}.jp-anchor{margin-top:8px;background:#ffd1661f;border:1px solid rgba(255,209,102,.4);color:var(--gold);border-radius:16px;padding:12px 16px;max-width:420px}.jp-anchor .jp-read{font-weight:800;font-size:17px}.jp-anchor 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var(--border);border-radius:var(--r-lg);padding:22px;text-align:center}.question-box h3{font-size:22px;margin-bottom:4px}.q-options{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:16px}.q-opt{background:var(--card);border:2px solid var(--border);border-radius:20px;padding:16px 18px;cursor:pointer;min-width:110px}.q-opt .qpic{font-size:48px}.q-opt .qlabel{margin-top:6px;font-weight:700}.q-opt:active{transform:scale(.97)}.q-opt.right{border-color:var(--green);background:#38d39f26}.q-opt.wrong{border-color:var(--accent-2);animation:shake .3s}.celebrate{text-align:center;padding:40px 20px}.celebrate .big{font-size:80px;animation:pop .4s ease}.celebrate h2{font-size:26px;margin:10px 0}.celebrate p{color:var(--muted)}