:root {
    --apple-blue: #007AFF;
    --apple-green: #34C759;
    --apple-orange: #FF9500;
    --apple-red: #FF3B30;
    --apple-purple: #AF52DE;
    --apple-gray: #8E8E93;
    --apple-light-gray: #F2F2F7;
    --apple-dark-gray: #1C1C1E;
}

.apple-gradient {
    background: linear-gradient(135deg, var(--apple-blue), var(--apple-purple));
}

.game-card {
    transition: all 0.3s ease;
    backdrop-filter: blur(10px);
}

.game-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 20px 40px rgba(0,122,255,0.2);
}

.search-input {
    backdrop-filter: blur(10px);
    background: rgba(255,255,255,0.1);
    border: 1px solid rgba(255,255,255,0.2);
}

.nav-link {
    transition: all 0.2s ease;
    position: relative;
}

.nav-link:hover {
    color: var(--apple-blue);
}

.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: -5px;
    left: 50%;
    background: var(--apple-blue);
    transition: all 0.3s ease;
}

.nav-link:hover::after {
    width: 100%;
    left: 0;
}

.category-card {
    background: rgba(255,255,255,0.05);
    backdrop-filter: blur(15px);
    border: 1px solid rgba(255,255,255,0.1);
    transition: all 0.3s ease;
}

.category-card:hover {
    transform: translateY(-3px);
    background: rgba(255,255,255,0.1);
}

.featured-badge {
    background: linear-gradient(45deg, var(--apple-orange), var(--apple-red));
}

/* 游戏页面特定样式 */
.game-container {
    background: white;
    border-radius: 1rem;
    overflow: hidden;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.game-frame-container {
    position: relative;
    width: 100%;
    padding-top: 56.25%; /* 16:9 宽高比 */
}

.game-frame {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

/* 响应式调整 */
@media (max-width: 768px) {
    .game-card {
        margin-bottom: 1rem;
    }
    
    .category-card {
        margin-bottom: 1rem;
    }
}