.game-info {
    display: flex;
    gap: 20px;
    margin: 0 auto 20px;
    justify-content: center;
    text-align: center;
}
.game-info .item {
    background: linear-gradient(135deg, #409eff, #337ecc);
    color: #fff;
    padding: 12px 20px;
    border-radius: 10px;
    font-size: 14px;
    font-weight: bold;
    min-width: 90px;
    box-shadow: 0 3px 10px rgba(64,158,255,0.2);
}
.game-info .item span {
    display: block;
    font-size: 22px;
    margin-top: 4px;
}

.restart-btn {
    display: block;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #6a76ff, #5863e0);
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 15px;
    cursor: pointer;
    font-weight: bold;
    box-shadow: 0 3px 10px rgba(106, 118, 255, 0.3);
    transition: all 0.2s;
}
.restart-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 14px rgba(106, 118, 255, 0.4);
}

/* 游戏提示 */
.game-message {
    text-align: center;
    font-size: 18px;
    font-weight: bold;
    color: #ff4d4f;
    margin-bottom: 15px;
    height: 24px;
}

/* 白色主题 俄罗斯方块游戏区域 */
.game-tetris {
    width: 300px;
    margin: 0 auto;
    background: #ffffff;
    border: 2px solid #e5e7eb;
    border-radius: 12px;
    padding: 15px;
    box-shadow: 0 5px 20px rgba(0,0,0,0.05);
}
#tetrisGrid {
    display: grid;
    grid-template-columns: repeat(10, 1fr);
    gap: 2px;
    width: 100%;
}
.tetris-cell {
    aspect-ratio: 1/1;
    background: #f3f4f6;
    border-radius: 4px;
    border: 1px solid #e5e7eb;
}

/* 彩色方块（白色背景更鲜艳） */
.tetris-cell.I { background: #00d0ff; }
.tetris-cell.O { background: #ffd500; }
.tetris-cell.T { background: #dc00ff; }
.tetris-cell.S { background: #00e876; }
.tetris-cell.Z { background: #ff3c3c; }
.tetris-cell.J { background: #0066ff; }
.tetris-cell.L { background: #ff9c00; }