:root{--bg: #E8EAF6;--bg-2: #E3F2FD;--tile-bg: #3F51B5;--tile-bg-2: #303F9F;--tile-bg-hi: #7986CB;--tile-border: #1A237E;--tile-text: #1A237E;--accent: #FF7043;--accent-2: #D84315;--danger: #E53935;--hud-bg: rgba(255, 255, 255, .82);--gold: #FFB300}*{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) 0%,var(--bg-2) 100%);background-attachment:fixed;font-family:-apple-system,PingFang SC,Microsoft YaHei,sans-serif;user-select:none;-webkit-user-select:none;-webkit-touch-callout:none;color:var(--tile-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:10px 12px;margin:8px 10px 4px;background:var(--hud-bg);backdrop-filter:blur(8px);-webkit-backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.7);border-radius:16px;box-shadow:0 4px 16px #1a237e24;font-size:clamp(14px,4vw,18px);font-weight:700;color:var(--tile-text);flex-shrink:0;gap:6px}.hud-level,.hud-time{display:flex;align-items:center;gap:4px;flex-shrink:0}.hud-target{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;background:linear-gradient(145deg,#FFCCBC,var(--accent));color:#fff;border-radius:12px;padding:6px 12px;box-shadow:0 2px 0 var(--accent-2);min-width:0}.hud-target-text{font-size:clamp(20px,6vw,30px);font-weight:900;min-width:1.2em;text-align:center}.hud-hint{background:linear-gradient(145deg,var(--tile-bg-hi),var(--tile-bg-2));border:2px solid var(--tile-border);border-radius:12px;padding:5px 12px;font-size:inherit;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 2px #15155740;transition:transform .12s ease,box-shadow .12s ease;flex-shrink:0}.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:10px;padding:6px 10px 10px;flex-shrink:0}.hud-bottom button{background:linear-gradient(145deg,var(--tile-bg-hi),var(--tile-bg-2));border:2px solid var(--tile-border);border-radius:12px;padding:7px 16px;font-size:14px;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 2px #15155740;transition:transform .12s ease,box-shadow .12s ease}.hud-bottom button:active{transform:translateY(1px)}.board-area{flex:1;display:flex;align-items:center;justify-content:center;overflow:hidden;padding:6px;position:relative;min-height:0}.schulte-grid{display:grid;gap:8px;padding:4px;margin:auto;justify-content:center;align-content:center;width:auto;height:auto;max-width:100%;max-height:100%}.scell{appearance:none;border:none;padding:0;cursor:pointer;width:100%;height:100%;display:flex;align-items:center;justify-content:center;border-radius:14px;border:2px solid var(--tile-border);background:linear-gradient(145deg,#fff,#e8eaf6);color:var(--tile-text);font-weight:900;box-shadow:0 3px #1a237e2e,0 5px 12px #1a237e1a,inset 0 2px 3px #ffffffb3;transition:transform .12s ease,box-shadow .12s ease}.scell:focus{outline:none}.scell:active{transform:scale(.94)}.scell.scell-char{font-size:clamp(20px,7vw,46px);color:var(--tile-bg-2)}.scell.scell-num{font-size:clamp(18px,6vw,40px);color:var(--tile-bg-2)}.scell.found{background:linear-gradient(145deg,#c5cae9,#9fa8da);color:#fff;border-color:var(--tile-bg);box-shadow:0 0 0 2px #3f51b540,inset 0 2px 3px #fff6;pointer-events:none;animation:foundPop .3s cubic-bezier(.22,1.2,.36,1)}@keyframes foundPop{0%{transform:scale(1)}50%{transform:scale(1.1)}to{transform:scale(1)}}.scell.wrong{animation:shake .4s;border-color:var(--danger);box-shadow:0 0 0 3px #e5393540,0 4px 12px #e539354d}@keyframes shake{0%,to{transform:translate(0)}25%{transform:translate(-4px)}75%{transform:translate(4px)}}.scell.hint{animation:hintPulse .5s 3;border-color:var(--accent)}@keyframes hintPulse{0%,to{transform:scale(1);box-shadow:0 3px #1a237e2e}50%{transform:scale(1.08);box-shadow:0 0 18px var(--accent)}}.modal-overlay{position:fixed;inset:0;background:#1a237e8c;backdrop-filter:blur(4px);-webkit-backdrop-filter:blur(4px);display:flex;align-items:center;justify-content:center;z-index:100;animation:fadeIn .2s ease-out}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.modal-card{background:linear-gradient(170deg,#fffdf6,#e8eaf6);border:1px solid rgba(255,255,255,.8);border-radius:24px;padding:28px 36px;text-align:center;box-shadow:0 20px 50px #1a237e59;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) translateY(0)}}.modal-title{font-size:30px;font-weight:700;color:var(--tile-text);margin-bottom:14px}.modal-stars{font-size:36px;margin-bottom:10px;letter-spacing:4px}.modal-star{display:inline-block;opacity:0;filter:grayscale(1)}.modal-star.lit{filter:none}.modal-time{font-size:16px;color:var(--tile-text);margin-bottom:20px;opacity:.85}.modal-buttons{display:flex;gap:12px;justify-content:center}.modal-buttons button{background:linear-gradient(145deg,var(--tile-bg-hi),var(--tile-bg-2));border:2px solid var(--tile-border);border-radius:12px;padding:10px 22px;font-size:16px;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 3px #15155740}.modal-buttons button:active{transform:translateY(2px)}.modal-buttons .btn-next{background:linear-gradient(145deg,#FFAB91,var(--accent));color:#fff;border-color:var(--accent-2);box-shadow:0 3px 0 var(--accent-2)}.level-select{display:flex;flex-direction:column;align-items:center;padding:24px 20px;height:100%}.level-select-title{font-size:26px;font-weight:700;color:var(--tile-text);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(--tile-bg-hi),var(--tile-bg-2));border:2px solid var(--tile-border);border-radius:20px;font-size:22px;font-weight:700;color:#fff;cursor:pointer;display:flex;flex-direction:column;align-items:center;justify-content:center;box-shadow:0 3px #15155738,0 5px 12px #1a237e1a;transition:transform .12s ease,box-shadow .12s ease}.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(--tile-bg-hi),var(--tile-bg-2));border:2px solid var(--tile-border);border-radius:12px;padding:9px 26px;font-size:16px;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 3px #15155740}@media (orientation: landscape) and (max-height: 500px){#app:after{content:"请旋转手机至竖屏 📱";position:fixed;top:50%;left:50%;transform:translate(-50%,-50%);font-size:24px;color:var(--tile-text);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:20px;padding:20px}.start-title{font-size:42px;font-weight:900;letter-spacing:4px;background:linear-gradient(135deg,#303f9f,#3f51b5,#ff7043);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent;color:transparent;text-shadow:0 4px 14px rgba(63,81,181,.18)}.start-tip{font-size:15px;color:var(--tile-text);opacity:.8;margin:0;text-align:center}.btn-start,.btn-levels{background:linear-gradient(145deg,var(--tile-bg-hi),var(--tile-bg-2));border:2px solid var(--tile-border);border-radius:16px;padding:14px 44px;font-size:20px;font-weight:700;color:#fff;cursor:pointer;box-shadow:0 4px #15155740,0 8px 18px #1a237e24;transition:transform .12s ease,box-shadow .12s ease}.btn-start{background:linear-gradient(145deg,#FFAB91,var(--accent));color:#fff;border-color:var(--accent-2);box-shadow:0 4px 0 var(--accent-2),0 8px 18px #ff704333}.btn-start:active,.btn-levels:active{transform:translateY(3px);box-shadow:0 1px #15155740}.btn-start:active{box-shadow:0 1px 0 var(--accent-2)}.settings{display:flex;gap:18px;margin-top:4px;font-size:16px;font-weight:700;color:var(--tile-text)}.settings label{display:flex;align-items:center;gap:6px;cursor:pointer;padding:6px 14px;background:var(--hud-bg);border:1px solid rgba(255,255,255,.7);border-radius:12px;box-shadow:0 2px 8px #1a237e14}.settings input{width:18px;height:18px;accent-color:var(--accent);cursor:pointer}.speech-hint{margin-top:8px;padding:10px 14px;max-width:92%;font-size:13px;font-weight:400;line-height:1.5;color:#4e342e;background:#fff3e0;border:1px solid #FFB74D;border-radius:12px;text-align:center}.start-screen .btn-hub{background:linear-gradient(145deg,#e8eaf6,#c5cae9);border:2px solid #7986CB;border-radius:16px;padding:12px 36px;font-size:18px;font-weight:700;color:#1a237e;cursor:pointer;box-shadow:0 4px #7986cb,0 8px 18px #7986cb2e;transition:transform .12s ease,box-shadow .12s ease}.start-screen .btn-hub:active{transform:translateY(3px);box-shadow:0 1px #7986cb}