/* 广告容器基础样式 */
.ad-container {
    margin: 1rem 0;
    text-align: center;
    overflow: hidden;
    background: #f8f9fa;
    border-radius: 8px;
    padding: 0.5rem;
}

/* 广告标签样式 */
.ad-label {
    font-size: 0.75rem;
    color: #6b7280;
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 0.05em;
}

/* 响应式广告容器 */
.ad-container.responsive {
    width: 100%;
    max-width: 100%;
    height: auto;
}

/* 头部广告样式 */
#header-ad {
    margin: 0;
    padding: 0.5rem;
    background: transparent;
}

/* 侧边栏广告样式 */
#sidebar-ad {
    position: sticky;
    top: 100px;
    margin: 1rem 0;
}

/* 游戏卡片广告样式 */
#game-card-ad {
    margin: 1rem 0;
    background: #ffffff;
    box-shadow: 0 2px 4px rgba(0,0,0,0.05);
}

/* 页脚广告样式 */
#footer-ad {
    margin: 2rem 0 0;
    background: transparent;
}

/* 移动端适配 */
@media (max-width: 768px) {
    .ad-container {
        margin: 0.5rem 0;
        padding: 0.25rem;
    }
    
    #sidebar-ad {
        position: static;
        margin: 0.5rem 0;
    }
    
    #game-card-ad {
        margin: 0.5rem 0;
    }
}

/* 广告加载状态 */
.ad-container.loading {
    min-height: 100px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.ad-container.loading::after {
    content: '';
    width: 24px;
    height: 24px;
    border: 2px solid #e5e7eb;
    border-top-color: #3b82f6;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to {
        transform: rotate(360deg);
    }
}

/* 广告错误状态 */
.ad-container.error {
    background: #fee2e2;
    color: #dc2626;
    padding: 1rem;
    text-align: center;
    font-size: 0.875rem;
}