.game-setup{max-width:700px;margin:0 auto;padding:40px 20px;color:#e0e0e0}.setup-title{text-align:center;font-size:2em;color:gold;margin-bottom:30px}.setup-section{background:#ffffff0d;border-radius:12px;padding:20px;margin-bottom:20px}.section-title{font-size:1.2em;color:gold;margin:0 0 15px;border-bottom:1px solid rgba(255,215,0,.3);padding-bottom:8px}.country-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.country-btn{padding:12px;font-size:1.1em;background:transparent;border:2px solid #555;border-radius:8px;cursor:pointer;transition:all .2s}.country-btn:hover{background:#ffffff1a}.country-btn.selected{background:#ffd70033;font-weight:700}.country-btn-none{grid-column:span 2;color:#999}.ai-count-control{display:flex;align-items:center;justify-content:center;gap:20px}.count-btn{width:40px;height:40px;font-size:1.5em;background:transparent;border:2px solid #FFD700;border-radius:8px;color:gold;cursor:pointer}.count-btn:disabled{border-color:#555;color:#555;cursor:not-allowed}.count-display{font-size:2em;min-width:50px;text-align:center;color:gold}.ai-config-list{display:flex;flex-direction:column;gap:10px}.ai-config-item{display:flex;align-items:center;gap:10px;padding:10px;background:#0000004d;border-radius:8px}.ai-label{min-width:60px;font-weight:700;color:#aaa}.country-select,.difficulty-select{padding:8px 12px;background:#333;border:1px solid #555;border-radius:6px;color:#e0e0e0;font-size:1em}.country-select{flex:1}.difficulty-select{min-width:100px}.start-btn{display:block;width:100%;max-width:300px;margin:30px auto 0;padding:15px;font-size:1.3em;background:gold;border:none;border-radius:10px;color:#1a1a1a;font-weight:700;cursor:pointer;transition:all .2s}.start-btn:hover{background:orange;transform:scale(1.02)}.alliance-preview{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.alliance-preview-item{padding:6px 14px;border-radius:6px;font-size:.95em;background:#ffffff0d;border:1px solid rgba(255,255,255,.15)}.alliance-preview-item.allied{border-color:gold;background:#ffd7001a;color:gold}.alliance-preview-item.solo{color:#999}.allied-text{font-weight:500}.solo-text{font-style:italic}@media (max-width: 600px){.country-grid{grid-template-columns:repeat(3,1fr)}.country-btn-none{grid-column:span 3}.ai-config-item{flex-wrap:wrap}.difficulty-select{width:100%;min-width:auto}}#root{max-width:1280px;margin:0 auto;padding:20px}.app{display:flex;flex-direction:column;align-items:center}.app-header{text-align:center;padding:20px 0;margin-bottom:20px}.app-title{font-size:2.5rem;color:#5c4033;letter-spacing:.5rem;margin-bottom:8px}.app-subtitle{font-size:1rem;color:#888}.turn-info{font-size:1rem;color:#666;margin:4px 0}.game-container{display:flex;justify-content:center;gap:20px;flex-wrap:wrap}.board-area{background:#fff8f0;border:1px solid #D4B896;border-radius:8px;padding:16px;box-shadow:0 2px 8px #0000001a}.alliance-panel{background:#0000000d;border:1px solid #ddd;border-radius:8px;padding:12px 16px;margin:0 20px 16px;max-width:800px;width:100%}.alliance-title{font-size:.9rem;color:#666;margin:0 0 8px;text-align:center}.alliance-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.alliance-item{padding:4px 12px;border-radius:4px;background:#fff;border:1px solid #eee}.alliance-item.solo{background:#f5f5f5}.alliance-members{font-size:.85rem;font-weight:500}.solo-member{font-size:.85rem;color:#999}.destroyed-tag{opacity:.6;text-decoration:line-through}.alliance-item.has-destroyed{border-color:#ff6b6b;background:#ff6b6b0d}.destroyed-panel{background:#ff00000d;border:1px solid #ff6b6b;border-radius:8px;padding:12px 16px;margin:0 20px 16px;max-width:800px;width:100%}.destroyed-title{font-size:.9rem;color:#c00;margin:0 0 8px;text-align:center}.destroyed-list{display:flex;flex-wrap:wrap;gap:8px;justify-content:center}.destroyed-item{padding:4px 10px;border-radius:4px;background:#ff00001a;font-size:.85rem}.destroyed-country{color:#c00;font-weight:600;text-decoration:line-through}.destroyed-by{color:#666;margin-left:6px}.settlement-overlay{position:fixed;top:0;left:0;right:0;bottom:0;background:#000000b3;display:flex;align-items:center;justify-content:center;z-index:1000}.settlement-card{background:#1a1a1a;border:2px solid #FFD700;border-radius:16px;padding:40px 50px;text-align:center;min-width:350px;box-shadow:0 0 40px #ffd7004d}.settlement-title{font-size:2.2em;margin:0 0 20px}.settlement-title.victory{color:gold}.settlement-title.defeat{color:#c00}.settlement-winner{font-size:1.3em;color:#e0e0e0;margin:15px 0}.winner-label{color:#999}.winner-country{color:gold;font-weight:700;font-size:1.4em}.settlement-result{color:#888;font-size:1.1em;margin:10px 0 25px}.restart-btn{padding:12px 30px;font-size:1.2em;background:gold;border:none;border-radius:10px;color:#1a1a1a;font-weight:700;cursor:pointer;transition:all .2s}.restart-btn:hover{background:orange;transform:scale(1.05)}*{margin:0;padding:0;box-sizing:border-box}body{font-family:STKaiti,KaiTi,楷体,serif;background:#f5e6d3;color:#333;min-height:100vh}.app{max-width:1200px;margin:0 auto;padding:20px}.app-header{text-align:center;padding:40px 0 30px;border-bottom:2px solid #5C4033;margin-bottom:30px}.app-title{font-size:3rem;color:#5c4033;letter-spacing:.5rem;margin-bottom:10px}.app-subtitle{font-size:1.2rem;color:#888}.app-main{display:flex;gap:30px;flex-wrap:wrap;justify-content:center}.setup-panel,.rules-panel{background:#fff8f0;border:1px solid #D4B896;border-radius:8px;padding:24px;box-shadow:0 2px 8px #0000001a}.setup-panel{flex:1;min-width:300px;max-width:400px}.rules-panel{flex:2;min-width:400px}h2{font-size:1.5rem;color:#5c4033;margin-bottom:20px;padding-bottom:10px;border-bottom:1px solid #D4B896}.player-select{margin-bottom:24px}.player-select label{display:block;margin-bottom:12px;font-size:1.1rem}.number-buttons{display:flex;gap:10px}.num-btn{flex:1;padding:10px;font-size:1rem;font-family:inherit;border:2px solid #5C4033;background:#fff8f0;border-radius:6px;cursor:pointer;transition:all .2s}.num-btn:hover{background:#e8d5c0}.num-btn.active{background:#5c4033;color:#fff8f0}.start-btn{width:100%;padding:14px;font-size:1.2rem;font-family:inherit;background:#c00;color:#fff;border:none;border-radius:6px;cursor:pointer;transition:background .2s}.start-btn:hover{background:#a30000}.rules-content h3{font-size:1.2rem;color:#5c4033;margin:16px 0 10px}.rules-content ul{padding-left:20px;margin-bottom:16px}.rules-content li,.rules-content p{margin-bottom:8px;line-height:1.6}