:root {
            --accent-color: #3b82f6;
        }

        /* 项目卡片特定样式 */
        .project-card-link {
            display: block;
            text-decoration: none;
            color: inherit;
        }
        
        .project-card {
            display: flex;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        
        .project-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.1), 0 10px 10px -5px rgba(0, 0, 0, 0.04);
        }
        
        .project-info {
            flex: 1;
            padding-right: 1.5rem;
        }
        
        .project-banner {
            width: 300px;
            border-radius: 8px;
            overflow: hidden;
            position: relative;
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
        }
        
        .project-banner-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: all 0.5s ease;
        }
        
        .project-card:hover .project-banner-image {
            transform: scale(1.05);
        }
        
        .project-tech {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin: 1rem 0;
        }
        
        .tech-tag {
            background-color: rgba(59, 130, 246, 0.1);
            color: var(--accent-color);
            padding: 4px 10px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 500;
        }
        
        .project-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            margin-top: 1rem;
            color: var(--accent-color);
            font-weight: 500;
            text-decoration: none;
            padding: 8px 16px;
            border-radius: 6px;
            background-color: rgba(59, 130, 246, 0.1);
            transition: all 0.2s ease;
        }
        
        .project-link:hover {
            background-color: rgba(59, 130, 246, 0.2);
            transform: translateY(-2px);
        }
        
        @media (max-width: 640px) {
            .project-card {
                flex-direction: column;
            }
            
            .project-info {
                padding-right: 0;
                margin-bottom: 1.5rem;
            }
            
            .project-banner {
                width: 100%;
                height: 100%;
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.75rem 1.5rem;
            border-radius: 6px;
            font-weight: 500;
            text-decoration: none;
            transition: all 0.2s ease;
        }

        .btn-primary {
            background-color: var(--accent-color);
            color: white;
        }

        .btn-primary:hover {
            background-color: #2563eb;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background-color: var(--btn-secondary-bg);
            color: var(--accent-color);
        }

        .btn-secondary:hover {
            background-color: rgba(59, 130, 246, 0.3);
            transform: translateY(-2px);
        }