*{margin:0;padding:0;box-sizing:border-box;font-family:'Microsoft YaHei','微软雅黑',sans-serif}
body{display:flex;flex-direction:column;min-height:70vh;background:linear-gradient(135deg,#1a2a3a 0%,#0d1b2a 100%);color:#e0e0e0;overflow-x:hidden;padding:20px}
#game_top{text-align:center;padding:15px 0;font-size:1.8rem;font-weight:bold;color:#fff;text-shadow:0 0 10px rgba(0,150,255,0.5);background:rgba(13,27,42,0.8);border-radius:10px;margin-bottom:20px;box-shadow:0 4px 15px rgba(0,0,0,0.4);border-bottom:2px solid #00a8ff}
#game_container{display:flex;flex:1;gap:20px;max-width:1800px;margin:0 auto;width:100%}
#game_left{display:flex;flex-wrap:nowrap;flex-direction:column;flex:1;min-width:360px;background:rgba(25,40,55,0.7);border-radius:12px;padding:15px;box-shadow:0 8px 25px rgba(0,0,0,0.5);position:relative;overflow:hidden}

#game_left::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#ff9500,#00a8ff);border-radius:2px 2px 0 0}
#chessboard{position:relative;z-index:1;width:100%;height:auto;max-height:70vh;min-height:300px;min-width:270px;object-fit:contain;background:#1d2d3d;border:2px solid #2c3e50;border-radius:8px;box-shadow:0 5px 15px rgba(0,0,0,0.3);transition:transform 0.3s ease}
#chessboard:hover{transform:scale(1.005)}
.piece{position:absolute;width:10%;height:9%;transition:all 0.6s;pointer-events:none;transform:scale(1.2);transition:all 0.3s,transform 0.1s;z-index:2;pointer-events:auto}
.piece:hover{cursor:pointer;transform:scale(1.1);transition:transform 0.2s}
.piece.selected{filter:brightness(1.2) drop-shadow(0 0 6px #ffeb3b);transition:filter 0.2s}
.piece.highlight{filter:drop-shadow(0 0 8px #FFFF00);animation:highlightPulse 1.5s ease-in-out infinite}
@keyframes highlightPulse{0%{transform:scale(1)}
50%{transform:scale(1.08)}
100%{transform:scale(1)}

}#controls{display:flex;justify-content:center;align-items:center;flex-wrap:wrap;gap:12px;padding:10px;margin-top:8px;background:rgba(30,45,60,0.8);border-radius:10px;box-shadow:0 4px 12px rgba(0,0,0,0.3)}
#controls button{padding:6px 12px;font-size:1rem;border:none;border-radius:6px;cursor:pointer;background:linear-gradient(to bottom,#2c3e50,#1a2a3a);color:#fff;font-weight:bold;transition:all 0.3s ease;box-shadow:0 4px 6px rgba(0,0,0,0.2);min-width:60px;display:flex;align-items:center;justify-content:center}
#controls button:hover{background:linear-gradient(to bottom,#3498db,#2980b9);transform:translateY(-2px);box-shadow:0 6px 8px rgba(0,0,0,0.3)}
#controls button:active{transform:translateY(1px)}
#controls button:disabled{opacity:0.6;cursor:not-allowed;background:#34495e}
#autoControls{display:flex;gap:8px;align-items:center;padding:5px 15px;background:rgba(0,0,0,0.2);border-radius:6px}
#intervalInput{width:50px;padding:8px;border:1px solid #3498db;border-radius:4px;background:#1a2a3a;color:#fff;text-align:center}
.stopped{background:linear-gradient(to bottom,#27ae60,#219653) !important}
.playing{background:linear-gradient(to bottom,#e74c3c,#c0392b) !important}
#menuButton{padding:10px 20px;background:linear-gradient(to bottom,#9b59b6,#8e44ad);border:none;border-radius:6px;color:white;cursor:pointer;font-weight:bold;display:flex;align-items:center;gap:8px;transition:all 0.3s}
#menuButton:hover{background:linear-gradient(to bottom,#8e44ad,#7d3c98);transform:translateY(-2px)}
#menuContainer{position:relative}
#mainMenu{display:none;position:absolute;bottom:100%;right:0;background:rgba(25,40,55,0.95);border-radius:8px;min-width:100px;box-shadow:0 5px 15px rgba(0,0,0,0.5);z-index:1000;padding:10px 0;border:1px solid #3498db}
.menu-item{padding:8px 8px;cursor:pointer;position:relative;display:flex;justify-content:space-between;align-items:center;z-index:100}
.menu-item:hover{background:rgba(52,152,219,0.3)}
.menu-item.has-submenu::after{content:"▶";margin-left:10px;font-size:0.8rem}
.submenu{display:none;position:absolute;left:100%;top:0;background:rgba(30,45,60,0.95);border-radius:8px;min-width:150px;box-shadow:0 5px 15px rgba(0,0,0,0.5);border:1px solid #2ecc71;max-height:200px;overflow-y:auto;z-index:1001}
.menu-item:hover > .submenu{display:block}
.submenu-group{padding:5px 0;border-bottom:1px solid rgba(52,152,219,0.3)}
.submenu-group:last-child{border-bottom:none}
.submenu-header{padding:8px 20px;font-weight:bold;color:#3498db;font-size:0.9rem;background:rgba(20,30,40,0.5)}
.submenu.left{left:auto;right:100%}
.modal{display:none;position:fixed;top:0;left:0;right:0;bottom:0;background:rgba(0,0,0,0.7);z-index:2000;justify-content:center;align-items:center}
.modal-content{background:rgba(25,40,55,0.95);padding:30px;border-radius:12px;width:500px;max-width:90%;box-shadow:0 10px 30px rgba(0,0,0,0.5);border:2px solid #3498db}
.modal-header{font-size:1.5rem;color:#3498db;margin-bottom:20px;text-align:center}
.modal-body{margin-bottom:20px}
.modal-footer{display:flex;justify-content:flex-end;gap:10px}
textarea{width:100%;height:200px;padding:15px;border-radius:8px;background:rgba(20,30,40,0.8);border:1px solid #3498db;color:white;font-size:1rem;resize:vertical}

#game_right{display:flex;flex-direction:column;flex:1;width:100%;background:rgba(25,40,55,0.7);border-radius:12px;overflow:auto;box-shadow:0 8px 25px rgba(0,0,0,0.5)}
#game_right::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,#00a8ff,#ff9500);border-radius:2px 2px 0 0}
.game_tips{display:grid;grid-template-columns:50px 1fr;padding:15px;text-align:center;font-size:1.1rem;background:rgba(30,45,60,0.9);border-bottom:1px solid #2c3e50;color:#00d9ff;font-weight:bold}
#analysis-board{display:flex;flex:1;background:rgba(20,30,40,0.8)}

#moveList{flex:0 0 320px;max-height:50vh;overflow-y:auto;padding:15px 10px;background:rgba(15,25,35,0.9);border-right:1px solid #2c3e50}
.move-row{display:flex;padding:8px 0;border-bottom:1px solid rgba(52,152,219,0.2);align-items:center;font-size:1.1rem}
.move-item{flex:1;padding:5px 8px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;min-width:130px}
.move-row:nth-child(odd){background:rgba(30,45,60,0.3)}
.move-row:hover{background:rgba(52,152,219,0.2)}
.move-row.current{background:rgba(41,128,185,0.5);font-weight:bold;color:#fff}
.ai-score{flex:0 0 80px;text-align:center;font-size:1.0rem;color:#ff9500;padding:0 5px}
.ai-move{flex:0 0 80px;text-align:center;font-size:1.0rem;color:#2ecc71;padding:0 5px;cursor:pointer;transition:all 0.2s}
.ai-move:hover{color:#00d9ff;text-decoration:underline}
#variationList{flex:0 0 160px;min-width:160px;min-height:300px;max-height:50vh;overflow-y:auto;padding:15px 10px;background:rgba(15,25,35,0.9);border-right:1px solid #2c3e50}
.variation-title{display:block;text-align:center;font-size:1.0rem;margin-bottom:15px;color:#f1c40f;font-weight:bold;padding-bottom:8px;border-bottom:1px solid #3498db}
.variation-item{padding:10px 8px;margin:8px 0;border-radius:6px;background:rgba(30,45,60,0.7);cursor:pointer;transition:all 0.2s;border-left:3px solid #27ae60;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:1.1rem}
.variation-item:hover{background:rgba(46,204,113,0.2);transform:translateX(5px)}
.current-variation{background:rgba(46,204,113,0.3);border-left:3px solid #f1c40f;font-weight:bold}
#Contents1right{flex:1;min-width:250px;min-height:300px;max-height:50vh;padding:20px;overflow-x:hidden;overflow-y:auto;background:rgba(15,25,35,0.9)}
#Contents1right a{color:#3498db;text-decoration:none;transition:color 0.3s;margin:12px 0;padding:8px;border-radius:6px}
#Contents1right a:hover{color:#00d9ff;background:rgba(52,152,219,0.2)}

#variationTips{padding:15px;text-align:center;background:rgba(30,45,60,0.9);border-top:1px solid #2c3e50;color:#ff9500;font-weight:bold}

.match-analysis{background:rgba(25,35,55,0.9);border:1px solid #3498db;border-radius:8px;padding:6px;margin:8px 0;position:relative;transition:all 0.3s ease;box-shadow:0 4px 8px rgba(0,0,0,0.3);min-height:40px;display:flex;flex-direction:column;justify-content:center}
.red-analysis{position:absolute;top:-12px;left:15px;background:#e74c3c;color:white;padding:2px 6px;border-radius:20px;font-size:0.9rem}
.black-analysis{position:absolute;top:-12px;left:15px;background:#5B5B5B;color:white;padding:2px 6px;border-radius:20px;font-size:0.9rem}

#game_footer{text-align:center;padding:20px 0;margin-top:20px;color:#95a5a6;font-size:0.9rem;border-top:1px solid #2c3e50}
.move-track{position:absolute;pointer-events:none;z-index:3}
.move-from{width:20px;height:20px;background:#FFFF00;border-radius:50%}
.move-to{width:20px;height:20px;border:2px solid #4CAF50;border-radius:50%}
.move-line{height:2px;background:linear-gradient(90deg,#ff5722,#4CAF50);transform-origin:left center;animation:lineFade 4.5s ease-out forwards}
@keyframes trackFade{0%{opacity:0.8;transform:scale(1)}
100%{opacity:0;transform:scale(4.5)}
}@keyframes lineFade{0%{opacity:0.6}
100%{opacity:0}
}@media (max-width:768px){#game_container{flex-direction:column}
#game_right{order:1;min-width:100%}
#game_left{order:2;min-width:100%}
#game_right{max-height:150px}
#analysis-board{max-height:150px;width:900px;}
#moveList{max-height:150px;height:150px;max-width:280px;overflow:auto}
.move-item{min-width:100px;max-width:120px}
#variationList{max-height:150px;height:150px;overflow:auto}
.ai-score{flex:0 0 60px}
.ai-move{flex:0 0 80px}
#Contents1right{display:none;min-height:auto;max-height:300px}
.toggle-info-btn{position:absolute;top:10px;right:10px;padding:5px 10px;background:rgba(52,152,219,0.5);color:white;border:none;border-radius:4px;font-size:0.9rem;cursor:pointer;z-index:10}
#controls{justify-content:space-around;padding:4px;text-align:center}
#controls button{padding:6px 8px;font-size:0.9rem;min-width:60px;flex-shrink:0}
#autoControls{flex-shrink:0}
#Contents1right{display:block}
}

  .cloud-section{background:rgba(25,35,55,0.9);border-radius:5px;padding:10px;border:1px solid rgba(200,170,120,0.3)}
.cloud-header{display:flex;justify-content:space-between;align-items:center;margin-bottom:10px;padding-bottom:10px;border-bottom:1px solid rgba(200,170,120,0.5)}
.cloud-title{color:#f1c40f;font-weight:bold}
.cloud-toggle{position:relative;display:inline-block;width:60px;height:30px}
.cloud-toggle input{opacity:0;width:0;height:0}
.cloud-slider{position:absolute;cursor:pointer;top:0;left:0;right:0;bottom:0;background-color:#555;transition:.4s;border-radius:30px}
.cloud-slider:before{position:absolute;content:"";height:22px;width:22px;left:4px;bottom:4px;background-color:white;transition:.4s;border-radius:50%}
input:checked + .cloud-slider{background-color:#2ecc71}
input:checked + .cloud-slider:before{transform:translateX(30px)}
.moves-container{margin-top:2px;height:140px;max-height:140px;overflow-y:auto;padding-right:2px}
.moves-header{display:grid;grid-template-columns:30px 80px 60px 1fr;padding:4px 6px;background:rgba(40,50,70,0.8);border-radius:6px;margin-bottom:8px;color:#c8aa78;align-items:center}
.cloud-move-item{display:grid;grid-template-columns:30px 80px 60px 1fr;background:rgba(40,50,70,0.6);border-radius:6px;padding:4px 8px;margin-bottom:4px;transition:all 0.3s ease;align-items:center}
.move-rank{display:inline-block;background:#3498db;color:white;width:20px;height:20px;border-radius:50%;text-align:center;line-height:24px;font-size:0.8rem}
.move-name{font-size:1.1rem;color:#e6d3a7}
.move-score{font-size:1.1rem;color:#2ecc71;text-align:right}
.no-moves{text-align:center;padding:30px;color:#a9a9a9}
.highlight{background: rgba(200, 170, 120, 0.3);border-left: 3px solid #c8aa78;}

        .chartcontent{display:flex;padding:10px;gap:20px}
.chart-container{flex:1;background:#0a1929;border-radius:10px;padding:10px;border:1px solid #2a4a6e;position:relative;height:120px;box-shadow:inset 0 0 20px rgba(0,0,0,0.5)}
#scoreChart{width:100%;height:100%;cursor:pointer}
.current-info{position:absolute;top:4px;left:60px;background:rgba(10,10,26,0.92);border-radius:4px;padding:2px 5px;z-index:10;border:1px solid #3a3a6a;font-size:11px;color:#e0e0ff;display:flex;gap:12px;box-shadow:0 2px 8px rgba(0,0,0,0.5)}
.info-item{display:flex;align-items:center;gap:4px}
.info-label{color:#8a8ac3}
.info-value{color:#fff;font-weight:bold;min-width:20px;font-family:'Courier New',monospace}
.info-value.red{color:#ff6b6b}
.info-value.green{color:#4ade9e}
.info-value.blue{color:#54a0ff}