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

body {
    font-family: 'Microsoft YaHei', sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 20px;
    position: relative;
    overflow-x: hidden;
}

/* 背景轮播样式 */
.background-slider {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
}

.slide {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    opacity: 0;
    transition: opacity 1.5s ease-in-out;
}

.slide.active {
    opacity: 0.3;
}

/* 内容容器 */
.container {
    max-width: 1200px;
    width: 100%;
    text-align: center;
    z-index: 1;
}

/* 标题样式 */
.header {
    margin: 40px 0;
    color: white;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.header h1 {
    font-size: 3rem;
    margin-bottom: 10px;
}

.header p {
    font-size: 1.2rem;
    opacity: 0.9;
}

/* 游戏网格 */
.games-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin: 40px 0;
    padding: 0 20px;
}

/* 游戏卡片 */
.game-card {
    background: rgba(255, 255, 255, 0.95);
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    transition: all 0.3s ease;
    cursor: pointer;
    border: 3px solid transparent;
}

.game-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.3);
    border-color: #667eea;
}

.game-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
    background: linear-gradient(135deg, #667eea, #764ba2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2rem;
    color: white;
}

.game-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #333;
}

.game-card p {
    color: #666;
    line-height: 1.6;
    margin-bottom: 20px;
}

.play-btn {
    background: linear-gradient(135deg, #667eea, #764ba2);
    color: white;
    border: none;
    padding: 12px 30px;
    border-radius: 25px;
    font-size: 1rem;
    font-weight: bold;
    cursor: pointer;
    transition: all 0.3s ease;
}

.play-btn:hover {
    transform: scale(1.05);
    box-shadow: 0 10px 20px rgba(102, 126, 234, 0.4);
}

/* 底部信息 */
.footer {
    margin-top: 50px;
    color: white;
    opacity: 0.8;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .header h1 {
        font-size: 2.2rem;
    }
    
    .games-grid {
        grid-template-columns: 1fr;
        gap: 20px;
        padding: 0 10px;
    }
    
    .game-card {
        padding: 20px;
    }
    
    .game-icon {
        width: 60px;
        height: 60px;
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .header h1 {
        font-size: 1.8rem;
    }
    
    .header p {
        font-size: 1rem;
    }
    
    .game-card h3 {
        font-size: 1.3rem;
    }
}