:root{--bg:#FAF6EE;--bg-2:#F3EAD8;--cell-bg:#FFF8E1;--cell-border:#FFCC80;--cell-hi:#FFEEA3;--text:#4E342E;--hud-bg:rgba(255,255,255,.72)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:radial-gradient(120% 80% at 50% -10%,#fff,#fff0 55%),linear-gradient(170deg,var(--bg),var(--bg-2));background-attachment:fixed;font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;user-select:none;-webkit-user-select:none;color:var(--text)}#app{display:flex;flex-direction:column;height:100vh;height:100dvh;max-width:600px;margin:0 auto}.hud{display:flex;align-items:center;justify-content:space-around;padding:8px 14px;margin:8px 10px 4px;background:var(--hud-bg);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.7);border-radius:16px;font-size:clamp(13px,3.5vw,16px);font-weight:700;flex-shrink:0}.hud-info,.hud-score,.hud-level{display:flex;align-items:center;gap:4px}.hud-hint{background:linear-gradient(145deg,var(--cell-hi),var(--cell-border));border:2px solid #F2A833;border-radius:12px;padding:4px 10px;font-size:inherit;font-weight:700;cursor:pointer;box-shadow:0 2px #b4781e40;transition:transform .12s}.hud-hint:active{transform:translateY(1px)}.hud-hint:disabled{opacity:.4;cursor:not-allowed;box-shadow:none}.hud-bottom{display:flex;justify-content:center;gap:8px;padding:4px 10px 8px;flex-shrink:0}.hud-bottom button{background:linear-gradient(145deg,var(--cell-hi),var(--cell-border));border:2px solid #F2A833;border-radius:12px;padding:6px 14px;font-size:13px;font-weight:700;cursor:pointer;box-shadow:0 2px #b4781e40;transition:transform .12s}.hud-bottom button:active{transform:translateY(1px)}.board-area{flex:1;display:flex;align-items:center;justify-content:center;padding:8px;overflow-y:auto}.pattern-wrap{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:20px;padding:20px;overflow-y:auto}.round-indicator{font-size:18px;font-weight:700;color:#8a6a3f}.q-hint{font-size:14px;color:#8a6a3f}.seq-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;max-width:100%}.seq-item{width:clamp(44px,12vw,64px);height:clamp(44px,12vw,64px);display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,var(--cell-hi),var(--cell-bg));border:2px solid var(--cell-border);border-radius:18%;font-size:clamp(20px,6vw,32px);box-shadow:0 2px #b4781e33,inset 0 1px 2px #ffffff80}.q-mark{background:linear-gradient(145deg,#90caf9,#42a5f5);border-color:#1976d2;color:#fff;font-size:clamp(24px,7vw,36px);font-weight:900;animation:qPulse 1.5s ease-in-out infinite}@keyframes qPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}.choice-wrap{display:grid;grid-template-columns:repeat(2,1fr);gap:12px;width:100%;max-width:360px}.choice-btn{padding:18px;background:linear-gradient(145deg,var(--cell-hi),var(--cell-bg));border:2px solid var(--cell-border);border-radius:16px;font-size:clamp(22px,7vw,36px);font-weight:700;cursor:pointer;box-shadow:0 3px #b4781e47;transition:transform .12s}.choice-btn:active{transform:translateY(2px)}.choice-btn.correct{background:linear-gradient(145deg,#a5d6a7,#66bb6a);border-color:#2e7d32;color:#fff;animation:correctPop .4s}@keyframes correctPop{0%{transform:scale(1)}50%{transform:scale(1.15)}to{transform:scale(1)}}.choice-btn.wrong{background:linear-gradient(145deg,#ffcdd2,#ef9a9a);border-color:#ef5350;animation:shake .4s}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.choice-btn.hint{animation:hintPulse .5s 3;border-color:#42a5f5}@keyframes hintPulse{0%,to{transform:scale(1)}50%{transform:scale(1.1);box-shadow:0 0 14px #42a5f5}}.modal-overlay{position:fixed;inset:0;background:#281e0f8c;backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{background:linear-gradient(170deg,#fffdf6,#fff4de);border-radius:24px;padding:28px 36px;text-align:center;box-shadow:0 20px 50px #3c280a59;animation:popIn .26s cubic-bezier(.22,1.2,.36,1)}@keyframes popIn{0%{opacity:0;transform:scale(.82) translateY(8px)}to{opacity:1;transform:scale(1)}}.modal-title{font-size:30px;font-weight:700;margin-bottom:14px}.modal-stars{font-size:36px;margin-bottom:22px;letter-spacing:4px}.modal-star{display:inline-block;opacity:0}.modal-buttons{display:flex;gap:12px;justify-content:center}.modal-buttons button{background:linear-gradient(145deg,var(--cell-hi),var(--cell-border));border:2px solid #F2A833;border-radius:12px;padding:10px 22px;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 3px #b4781e40;transition:transform .12s}.modal-buttons button:active{transform:translateY(2px)}.modal-buttons .btn-next{background:linear-gradient(145deg,#81c784,#66bb6a);color:#fff;border-color:#2e7d32;box-shadow:0 3px #2e7d32}.level-select{display:flex;flex-direction:column;align-items:center;padding:24px 20px;height:100%}.level-select-title{font-size:26px;font-weight:700;margin-bottom:22px}.level-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;width:100%;max-width:420px}.level-btn{aspect-ratio:1;background:linear-gradient(145deg,var(--cell-hi),var(--cell-border));border:2px solid #F2A833;border-radius:20px;font-size:22px;font-weight:700;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 3px #b4781e47;transition:transform .12s}.level-btn:active{transform:translateY(2px)}.level-btn.locked{opacity:.5;cursor:not-allowed;box-shadow:none}.level-btn-stars{font-size:12px;margin-top:4px}.btn-back{margin-top:22px;background:linear-gradient(145deg,var(--cell-hi),var(--cell-border));border:2px solid #F2A833;border-radius:12px;padding:9px 26px;font-size:16px;font-weight:700;cursor:pointer;box-shadow:0 3px #b4781e40}@media (orientation:landscape) and (max-height:500px){#app:after{content:"璇锋棆杞墜鏈鸿嚦绔栧睆 馃摫";position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:24px;background:var(--bg);padding:20px 40px;border-radius:16px;z-index:999}}.start-screen{display:flex;flex-direction:column;align-items:center;justify-content:center;height:100%;gap:22px;padding:20px}.start-title{font-size:42px;font-weight:900;letter-spacing:4px;background:linear-gradient(135deg,#ff8a3d,#f2a833,#66bb6a);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent}.btn-start,.btn-levels{background:linear-gradient(145deg,var(--cell-hi),var(--cell-border));border:2px solid #F2A833;border-radius:16px;padding:14px 44px;font-size:20px;font-weight:700;cursor:pointer;box-shadow:0 4px #b4781e4d;transition:transform .12s}.btn-start{background:linear-gradient(145deg,#81c784,#66bb6a);color:#fff;border-color:#2e7d32;box-shadow:0 4px #2e7d32}.btn-start:active,.btn-levels:active{transform:translateY(3px)}.settings{display:flex;gap:18px;margin-top:6px;font-size:16px;font-weight:700}.settings label{display:flex;align-items:center;gap:6px;cursor:pointer;padding:6px 14px;background:var(--hud-bg);border-radius:12px}.settings input{width:18px;height:18px;accent-color:#66BB6A;cursor:pointer}.start-screen .btn-hub{background:linear-gradient(145deg,#eceff1,#cfd8dc);border:2px solid #90A4AE;border-radius:16px;padding:12px 36px;font-size:18px;font-weight:700;color:#455a64;cursor:pointer;box-shadow:0 4px #90a4ae;transition:transform .12s}.start-screen .btn-hub:active{transform:translateY(3px)}.speech-hint{margin-top:10px;padding:10px 14px;max-width:92%;font-size:13px;line-height:1.5;color:#6b4a1e;background:#fff3cd;border:1px solid #F2C766;border-radius:12px;text-align:center}