/* 游戏选择页样式 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    --primary-color: #FF6B8B;
    --secondary-color: #4ECDC4;
    --accent-color: #FFD166;
    --dark-color: #2A2D43;
    --light-color: #F7F9FC;
    --shadow: 0 8px 16px rgba(0, 0, 0, 0.1);
    --radius: 12px;
    --transition: all 0.3s ease;
}

body {
    font-family: 'Noto Sans SC', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: var(--dark-color);
}

.selection-container {
    width: 100%;
    max-width: 700px;
    text-align: center;
}

.selection-container h1 {
    font-size: 2.5rem;
    color: white;
    margin-bottom: 0.5rem;
    text-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
}

.selection-container .subtitle {
    color: rgba(255, 255, 255, 0.9);
    font-size: 1rem;
    margin-bottom: 2.5rem;
}

.game-cards {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    align-items: center;
}

.game-card {
    display: block;
    width: 100%;
    max-width: 400px;
    background: var(--light-color);
    border-radius: var(--radius);
    box-shadow: var(--shadow);
    padding: 2rem;
    text-decoration: none;
    color: var(--dark-color);
    transition: var(--transition);
    border: 3px solid transparent;
}

.game-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 24px rgba(0, 0, 0, 0.15);
    border-color: var(--primary-color);
}

.game-card:active {
    transform: translateY(-2px);
}

.game-card-icon {
    font-size: 3.5rem;
    margin-bottom: 1rem;
    display: block;
}

.game-card h2 {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    color: var(--dark-color);
}

.game-card p {
    font-size: 0.95rem;
    color: #666;
    line-height: 1.5;
}

.game-card.sheep .game-card-icon { color: #4ECDC4; }
.game-card.gomoku .game-card-icon { color: #2A2D43; }

footer.selection-footer {
    margin-top: 2.5rem;
    color: rgba(255, 255, 255, 0.85);
    font-size: 0.9rem;
}