* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Microsoft JhengHei', Arial, sans-serif;
}

body {
    background-color: #f0f0f0;
    color: #333;
}

#game-container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

.screen {
    display: none;
    background-color: #fff;
    border-radius: 10px;
    padding: 20px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
}

.screen.active {
    display: block;
}

h1, h2, h3 {
    color: #8B0000;
    margin-bottom: 15px;
    text-align: center;
}

button {
    background-color: #8B0000;
    color: white;
    border: none;
    padding: 10px 15px;
    margin: 5px;
    border-radius: 5px;
    cursor: pointer;
    font-size: 16px;
    transition: background-color 0.3s;
}

button:hover {
    background-color: #A52A2A;
}