        /* 工具集首页样式 */
        .home-title {
            color: #2c3e50;
            font-size: 24px;
            font-weight: 600;
            margin: 20px 0 30px;
            text-align: center;
            padding-bottom: 15px;
            border-bottom: 1px solid #e5e9f0;
        }
        
        /* 工具卡片网格布局 */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 20px;
            margin: 20px 0 40px;
        }
        
        /* 工具卡片样式 */
        .tool-card {
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            padding: 25px;
            transition: transform 0.2s ease, box-shadow 0.2s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        
        .tool-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }
        
        .tool-card h3 {
            color: #2c3e50;
            font-size: 18px;
            margin: 0 0 10px;
            font-weight: 600;
        }
        
        .tool-card p {
            color: #666;
            font-size: 14px;
            line-height: 1.6;
            margin: 0 0 20px;
            flex: 1;
        }
        
        .tool-card a {
            display: inline-block;
            padding: 10px 20px;
            background-color: #28a745;
            color: #fff;
            text-decoration: none;
            border-radius: 4px;
            font-size: 14px;
            transition: background-color 0.2s;
            align-self: flex-start;
        }
        
        .tool-card a:hover {
            background-color: #218838;
            color: #fff;
            text-decoration: none;
        }
        
        /* 移动端适配 */
        @media only screen and (max-width: 767px) {
            .home-title {
                font-size: 20px;
                margin: 15px 0 20px;
                padding-bottom: 10px;
            }
            
            .tools-grid {
                grid-template-columns: 1fr;
                gap: 15px;
                margin: 10px 0 30px;
            }
            
            .tool-card {
                padding: 20px 15px;
            }
            
            .tool-card a {
                width: 100%;
                text-align: center;
                align-self: stretch;
            }
        }
        
        /* 平板适配 */
        @media only screen and (min-width: 768px) and (max-width: 1024px) {
            .tools-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }