.format-box {
            background: #f8f9fa;
            border-radius: 6px;
            padding: 0.5rem 1rem;
            font-family: 'Courier New', monospace;
            font-size: 0.95rem;
            border-left: 4px solid var(--primary-color);
            margin-bottom: 0.5rem;
            word-break: break-all;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        .format-box .format-label {
            font-weight: 600;
            color: var(--accent-color);
            font-size: 0.85rem;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
            min-width: 140px;
        }
        .format-box .format-content {
            flex: 1;
            font-weight: 500;
        }
        .format-box .copy-format-btn {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            font-size: 1.1rem;
            padding: 0 0.25rem;
            transition: color 0.2s;
        }
        .format-box .copy-format-btn:hover {
            color: var(--primary-color);
        }
        .component-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: 0.75rem;
            margin: 1rem 0;
        }
        .component-item {
            background: white;
            border-radius: 6px;
            padding: 0.5rem 0.75rem;
            border: 1px solid #e9ecef;
            text-align: center;
        }
        .component-item .label {
            font-size: 0.65rem;
            text-transform: uppercase;
            color: #6c757d;
            letter-spacing: 0.3px;
        }
        .component-item .value {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--accent-color);
        }
        .component-item.local-item {
            border-color: #b8d4f0;
            background: #f0f7fe;
        }
        .component-item.local-item .label {
            color: #004085;
        }
        .timezone-badge {
            background: #e7f3ff;
            border-radius: 20px;
            padding: 0.25rem 0.75rem;
            font-size: 0.85rem;
            display: inline-block;
            margin: 0.15rem;
        }
        .example-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .example-chip {
            background: rgba(70, 130, 180, 0.08);
            border: 1px solid rgba(70, 130, 180, 0.2);
            border-radius: 20px;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            font-family: 'Courier New', monospace;
            cursor: pointer;
            transition: all 0.2s;
            color: var(--primary-color);
        }
        .example-chip:hover {
            background: rgba(70, 130, 180, 0.2);
            transform: translateY(-1px);
        }
        .status-badge {
            display: inline-block;
            padding: 0.2rem 0.6rem;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 500;
        }
        .status-badge.valid {
            background: #d4edda;
            color: #155724;
        }
        .status-badge.invalid {
            background: #f8d7da;
            color: #721c24;
        }
        .privacy-badge {
            background: #e7f3ff;
            border-radius: 4px;
            padding: 0.3rem 0.8rem;
            font-size: 0.8rem;
            color: #004085;
            display: inline-block;
        }
        .deep-dive {
            margin: 1.8rem 0;
        }
        .deep-dive p {
            text-align: justify;
        }
        .tool-header .lead {
            font-size: 1.1rem;
        }
        .hint-note {
            background: #fff3cd;
            border-left: 4px solid #ffc107;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            margin: 0.5rem 0;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .component-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .format-box {
                flex-wrap: wrap;
            }
            .format-box .format-label {
                min-width: 100%;
            }
        }
        @media (max-width: 480px) {
            .component-grid {
                grid-template-columns: 1fr 1fr;
            }
        }