/* AI工具网格样式 */
.ai-tool-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
    padding: 20px 0;
}

.ai-tool-card {
    background: #fff;
    border-radius: 12px;
    padding: 24px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border: 1px solid #e5e7eb;
}

.ai-tool-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.ai-tool-icon {
    width: 48px;
    height: 48px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 16px;
    color: white;
    font-size: 24px;
}

.ai-tool-title {
    font-size: 18px;
    font-weight: 600;
    color: #1f2937;
    margin-bottom: 8px;
}

.ai-tool-description {
    color: #6b7280;
    font-size: 14px;
    line-height: 1.5;
    margin-bottom: 16px;
}

.ai-tool-link {
    display: inline-flex;
    align-items: center;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    transition: color 0.2s ease;
}

.ai-tool-link:hover {
    color: #1d4ed8;
}

.ai-tool-link i {
    margin-left: 4px;
    font-size: 12px;
}

/* 深色模式支持 */
@media (prefers-color-scheme: dark) {
    .ai-tool-card {
        background: #1f2937;
        border-color: #374151;
    }
    
    .ai-tool-title {
        color: #f9fafb;
    }
    
    .ai-tool-description {
        color: #d1d5db;
    }
}

/* 响应式设计 */
@media (max-width: 768px) {
    .ai-tool-grid {
        grid-template-columns: 1fr;
        padding: 16px 0;
    }
    
    .ai-tool-card {
        padding: 20px;
    }
}