:root{--primary: #ffb703;--primary-hover: #fb8500;--bg-farm: #e8f5e9;--board-light: #c8e6c9;--board-dark: #a5d6a7;--text-dark: #2e7d32;--text-light: #ffffff;--shadow: 0 8px 30px rgba(0, 0, 0, .08);--border-radius: 20px}body{margin:0;font-family:PingFang SC,Microsoft YaHei,sans-serif;background-color:#f1f8e9;color:#333}.game-container{max-width:1200px;margin:0 auto;padding:20px;display:flex;flex-direction:column;min-height:100vh}.game-header{display:flex;justify-content:space-between;align-items:center;background:#fff;padding:15px 30px;border-radius:var(--border-radius);box-shadow:var(--shadow);margin-bottom:20px;border:3px solid #c8e6c9}.logo-section{display:flex;align-items:center;gap:15px}.logo-emoji{font-size:2.5rem;animation:bounce 2s infinite}@keyframes bounce{0%,to{transform:translateY(0)}50%{transform:translateY(-8px)}}.game-header h1{margin:0;font-size:1.8rem;color:#1b5e20;font-weight:800}.subtitle{margin:0;font-size:.9rem;color:#666}.score-badge{display:flex;align-items:center;gap:8px;background:#fff9db;border:2px solid #fab005;padding:8px 16px;border-radius:30px;font-weight:700;color:#f59f00}.icon-gold{color:#fab005}.game-main{display:grid;grid-template-columns:1fr 1.2fr;gap:25px;flex:1}@media (max-width: 900px){.game-main{grid-template-columns:1fr}}.control-panel{display:flex;flex-direction:column;gap:20px}.level-card{background:#fff;border-radius:var(--border-radius);padding:25px;box-shadow:var(--shadow);border:3px solid #c8e6c9;position:relative}.level-badge{position:absolute;top:-15px;left:25px;background:#4caf50;color:#fff;padding:6px 16px;border-radius:20px;font-weight:800;font-size:.85rem;box-shadow:0 4px 10px #4caf504d}.level-card h2{margin-top:10px;margin-bottom:10px;font-size:1.6rem;color:#2e7d32}.story-text{color:#555;font-style:italic;font-size:.95rem;line-height:1.5;margin-bottom:20px}.stats-grid{display:grid;grid-template-columns:1fr 1fr;gap:15px}.stat-box{background:#f1f8e9;border:2px solid #d0e7d2;border-radius:12px;padding:12px;display:flex;flex-direction:column;align-items:center}.stat-label{font-size:.8rem;color:#666;margin-bottom:4px}.stat-val{font-size:1.3rem;font-weight:800;color:#2e7d32}.ai-coach-card{background:linear-gradient(135deg,#fffbeb,#fef3c7);border-radius:var(--border-radius);padding:20px;box-shadow:var(--shadow);border:3px solid #fde047}.ai-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:12px}.ai-title{display:flex;align-items:center;gap:6px;font-weight:700;color:#b45309}.icon-sparkle{color:#d97706;animation:pulse 1.5s infinite}.ai-btn{background:#d97706;color:#fff;border:none;padding:6px 12px;border-radius:30px;font-size:.8rem;font-weight:700;cursor:pointer;display:flex;align-items:center;gap:6px;transition:all .2s}.ai-btn:hover{background:#b45309;transform:scale(1.05)}.ai-btn:disabled{background:#cbd5e1;cursor:not-allowed}.ai-bubble{background:#fff;border-radius:15px;padding:12px 16px;position:relative;border:2px solid #fef08a}.ai-bubble:before{content:"";position:absolute;top:-10px;left:30px;border-width:0 10px 10px 10px;border-style:solid;border-color:transparent transparent white transparent}.ai-bubble p{margin:0;font-size:.9rem;line-height:1.4;color:#78350f}.level-selector{background:#fff;border-radius:var(--border-radius);padding:20px;box-shadow:var(--shadow);border:3px solid #c8e6c9}.level-selector h3{margin:0 0 12px;font-size:1rem;color:#2e7d32}.level-buttons{display:flex;gap:10px;flex-wrap:wrap}.lvl-select-btn{width:45px;height:45px;border-radius:12px;border:2px solid #e2e8f0;background:#f8fafc;font-weight:700;cursor:pointer;transition:all .2s;display:flex;align-items:center;justify-content:center}.lvl-select-btn.active{background:#4caf50;color:#fff;border-color:#4caf50;box-shadow:0 4px 10px #4caf504d}.lvl-select-btn.locked{background:#e2e8f0;color:#94a3b8;cursor:not-allowed;border-color:#cbd5e1}.lvl-select-btn:not(.locked):hover{transform:translateY(-2px);border-color:#4caf50}.board-panel{display:flex;flex-direction:column;align-items:center;justify-content:center}.board-wrapper{position:relative;width:100%;max-width:480px;aspect-ratio:1;background:#81c784;border-radius:24px;padding:12px;box-shadow:0 12px 40px #00000026;border:6px solid #4caf50}.game-board{display:grid;width:100%;height:100%;gap:4px;background:#4caf50;border-radius:14px;overflow:hidden}.grid-cell{position:relative;display:flex;align-items:center;justify-content:center;font-size:2.2rem;-webkit-user-select:none;user-select:none;transition:background-color .3s}.cell-light{background-color:#c8e6c9}.cell-dark{background-color:#a5d6a7}.chick-element{z-index:10;cursor:grab;filter:drop-shadow(0 4px 6px rgba(0,0,0,.15))}.fox-element{z-index:8;filter:drop-shadow(0 4px 6px rgba(0,0,0,.2))}.worm-element{z-index:5;filter:drop-shadow(0 2px 4px rgba(0,0,0,.1))}.obstacle-element{z-index:4;font-size:2rem}.nest-element{display:flex;flex-direction:column;align-items:center;justify-content:center;position:relative}.nest-icon{width:40px;height:40px;color:#8d6e63;fill:#d7ccc8}.nest-label{position:absolute;font-size:.9rem;bottom:-4px;background:#fffc;border-radius:50%;padding:2px}.overlay{position:absolute;top:0;left:0;right:0;bottom:0;background:#0009;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px);border-radius:18px;display:flex;align-items:center;justify-content:center;z-index:100;padding:20px}.overlay-card{background:#fff;border-radius:var(--border-radius);padding:30px;text-align:center;box-shadow:0 10px 30px #0000004d;max-width:320px;width:100%}.overlay-emoji{font-size:3.5rem;display:block;margin-bottom:15px}.overlay-card h2{margin:0 0 10px;font-size:1.6rem}.win-card h2{color:#2e7d32}.lose-card h2{color:#d32f2f}.clear-card h2{color:#f57c00}.overlay-card p{color:#666;margin-bottom:20px;font-size:.95rem}.action-btn{width:100%;padding:12px;border:none;border-radius:12px;font-size:1rem;font-weight:700;cursor:pointer;display:flex;align-items:center;justify-content:center;gap:8px;transition:all .2s}.next-btn{background:#4caf50;color:#fff}.next-btn:hover{background:#388e3c}.retry-btn{background:#f44336;color:#fff}.retry-btn:hover{background:#d32f2f}.restart-btn{background:#ff9800;color:#fff}.restart-btn:hover{background:#f57c00}.mobile-controls{display:flex;flex-direction:column;align-items:center;gap:8px;margin-top:20px}.control-row{display:flex;gap:8px}.ctrl-btn{width:55px;height:55px;border-radius:15px;border:none;background:#fff;color:#2e7d32;box-shadow:0 4px 10px #0000001a;cursor:pointer;display:flex;align-items:center;justify-content:center;font-weight:700;transition:all .1s;border:2px solid #c8e6c9}.ctrl-btn:active{transform:scale(.9);background:#e8f5e9}.ctrl-btn.reset{background:#fff3e0;color:#e65100;border-color:#ffe0b2}.keyboard-tip{margin-top:15px;font-size:.8rem;color:#666;text-align:center}@keyframes pulse{0%,to{transform:scale(1)}50%{transform:scale(1.1)}}