* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Arial', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    justify-content: center;
    align-items: center;
    color: white;
    /* 移除全局的touch-action和overflow限制 */
}

.game-container {
    text-align: center;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 15px;
    padding: 20px;
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.3);
    backdrop-filter: blur(10px);
}

h1 {
    margin-bottom: 20px;
    font-size: 2.5em;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

/* 游戏简介样式 */
.game-intro {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 20px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.game-intro h3 {
    font-size: 1.4em;
    margin-bottom: 12px;
    color: #ffd700;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.game-intro p {
    font-size: 1.1em;
    line-height: 1.6;
    margin-bottom: 15px;
    color: rgba(255, 255, 255, 0.9);
}

.game-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 10px;
    margin-top: 15px;
}

.feature {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 8px;
    font-size: 0.9em;
    transition: transform 0.2s ease;
}

.feature:hover {
    transform: translateY(-2px);
    background: rgba(255, 255, 255, 0.15);
}

.feature-icon {
    font-size: 1.2em;
}

.game-info {
    display: flex;
    justify-content: space-between;
    margin-bottom: 15px;
    font-size: 1.2em;
    max-width: 800px;
}

/* 难度控制样式 */
.difficulty-controls {
    background: rgba(255, 255, 255, 0.1);
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 20px;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.difficulty-controls h4 {
    font-size: 1.2em;
    margin-bottom: 12px;
    color: #ffd700;
    text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
}

.difficulty-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
}

.difficulty-btn {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 8px 16px;
    border-radius: 20px;
    font-size: 0.9em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.difficulty-btn.active {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    transform: scale(1.05);
    box-shadow: 0 5px 15px rgba(255, 107, 107, 0.4);
}

.difficulty-btn:hover:not(.active) {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}

/* 不同难度的颜色 */
#easyBtn.active {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    box-shadow: 0 5px 15px rgba(76, 175, 80, 0.4);
}

#normalBtn.active {
    background: linear-gradient(45deg, #FF9800, #F57C00);
    box-shadow: 0 5px 15px rgba(255, 152, 0, 0.4);
}

#hardBtn.active {
    background: linear-gradient(45deg, #f44336, #d32f2f);
    box-shadow: 0 5px 15px rgba(244, 67, 54, 0.4);
}

#hellBtn.active {
    background: linear-gradient(45deg, #9C27B0, #7B1FA2);
    box-shadow: 0 5px 15px rgba(156, 39, 176, 0.4);
    animation: hellPulse 1.5s infinite;
}

@keyframes hellPulse {
    0%, 100% { transform: scale(1.05); }
    50% { transform: scale(1.1); }
}

/* 游戏画布容器 */
#gameContainer {
    margin-bottom: 20px;
}

/* Canvas样式 - 只在这里阻止触摸滚动 */
#gameContainer canvas {
    border: 3px solid #fff;
    border-radius: 10px;
    background: #000;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    display: block;
    margin-left: auto;
    margin-right: auto;
    /* 只在canvas上阻止触摸滚动 */
    touch-action: none;
}

.controls {
    margin-bottom: 20px;
}

.controls p {
    margin-bottom: 10px;
    font-size: 1.1em;
}

button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24);
    color: white;
    border: none;
    padding: 12px 24px;
    margin: 0 10px;
    border-radius: 25px;
    font-size: 1em;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
}

button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
}

button:active {
    transform: translateY(0);
}

.game-over {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: rgba(0, 0, 0, 0.9);
    padding: 40px;
    border-radius: 15px;
    border: 2px solid #fff;
}

.game-over h2 {
    color: #ff6b6b;
    margin-bottom: 20px;
    font-size: 2em;
}

.game-over p {
    margin-bottom: 10px;
    font-size: 1.1em;
}

.hidden {
    display: none;
}

.desktop-only {
    display: block;
}

.mobile-only {
    display: none;
}

/* 动态添加的拖拽状态样式 */
body.dragging {
    overflow: hidden !important;
    touch-action: none !important;
}

/* 移动端适配 */
@media (max-width: 768px) {
    body {
        overflow-x: hidden;
        padding: 10px;
    }
    
    body.dragging {
        overflow: hidden;
        position: fixed;
        width: 100%;
    }
    
    #gameContainer {
        width: 100% !important;
        max-width: 400px;
        margin: 0 auto;
        background: #222;
        border: 2px solid #555;
        border-radius: 10px;
    }
    
    canvas {
        width: 100% !important;
        height: auto !important;
        display: block;
        border-radius: 8px;
    }
    
    .controls {
        flex-direction: column;
        gap: 10px;
        margin: 10px 0;
    }
    
    .stats {
        font-size: 14px;
        gap: 10px;
    }
    
    #bombBtn {
        display: block !important;
        font-size: 16px;
        padding: 10px;
        margin: 10px auto;
    }
    
    .game-container {
        padding: 10px;
        margin: 10px;
    }
    
    h1 {
        font-size: 24px;
        margin-bottom: 15px;
    }
    
    .game-intro h3 {
        font-size: 18px;
    }
    
    .game-intro p {
        font-size: 14px;
    }
    
    .game-features {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }
    
    .feature {
        font-size: 12px;
        padding: 6px 8px;
    }
    
    .game-info {
        font-size: 14px;
        margin-bottom: 15px;
        flex-direction: column;
        gap: 8px;
    }
    
    .difficulty-btn {
        padding: 6px 12px;
        font-size: 12px;
    }
    
    .desktop-only {
        display: none;
    }
    
    .mobile-only {
        display: block;
    }
}

/* 炸弹按钮样式 */
.bomb-button {
    background: linear-gradient(45deg, #ff6b6b, #ee5a24) !important;
    margin-top: 10px !important;
}

.bomb-button.disabled {
    background: #666 !important;
    cursor: not-allowed !important;
}