.base64-box {
            background-color: #f8f9fc;
            border-radius: 12px;
            padding: 1.5rem;
            margin: 1rem 0;
            border: 1px solid #e0e6ed;
        }
        .char-table {
            font-size: 0.85rem;
            font-family: 'Courier New', monospace;
        }
        .char-table td, .char-table th {
            padding: 0.3rem 0.5rem;
            text-align: center;
        }
        .example-badge {
            cursor: pointer;
            transition: all 0.2s;
            background-color: #eef2fa;
            border-radius: 40px;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-weight: 500;
            display: inline-block;
            margin: 0.2rem;
        }
        .example-badge:hover {
            background-color: var(--primary-color);
            color: white;
            transform: translateY(-2px);
        }
        .tool-output-area {
            font-family: 'SF Mono', 'Courier New', monospace;
            font-size: 0.95rem;
        }
        .status-badge {
            font-size: 0.8rem;
        }
        .method-explanation {
            background: rgba(13, 110, 253, 0.05);
            border-left: 4px solid #0d6efd;
            padding: 1rem;
            border-radius: 0.5rem;
        }
        .performance-section .card {
            height: 100%;
            border: 1px solid #e0e6ed;
        }
        .case-card {
            background: #fff;
            border: 1px solid #e0e6ed;
            border-radius: 12px;
            padding: 1.5rem;
            height: 100%;
            transition: transform 0.2s;
        }
        .case-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.08);
        }
        .case-icon {
            font-size: 2rem;
            color: var(--primary-color);
            margin-bottom: 1rem;
        }
        .real-world-section {
            margin: 3rem 0;
        }