/* Styles for whatsails.html */


        .toc-box {
            background: white;
            border-radius: 8px;
            padding: 30px;
            margin: 30px auto;
            max-width: 1200px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
        .toc-box h2 {
            margin-top: 0;
            color: var(--ink);
            border-bottom: 2px solid var(--primary);
            padding-bottom: 15px;
        }
        .toc-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 20px;
        }
        .toc-item {
            display: flex;
            align-items: flex-start;
            gap: 15px;
        }
        .toc-item-num {
            background: var(--primary);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            flex-shrink: 0;
        }
        .toc-item-content h3 {
            margin: 0 0 5px 0;
            color: var(--ink);
        }
        .toc-item-content p {
            margin: 0;
            color: var(--text-secondary);
            font-size: 0.95em;
        }
        .toc-item-content a {
            color: var(--primary);
            text-decoration: none;
        }
        .toc-item-content a:hover {
            text-decoration: underline;
        }
        .content-section {
            background: white;
            padding: 60px 30px;
            border-bottom: 1px solid var(--border);
        }
        .content-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .concept-box, .warning-box, .success-box {
            border-radius: 8px;
            padding: 20px;
            margin: 20px 0;
        }
        .concept-box {
            background: white;
            border-left: 4px solid var(--primary);
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .warning-box {
            background: #fff5f5;
            border-left: 4px solid #e53e3e;
        }
        .success-box {
            background: #f0fff4;
            border-left: 4px solid #38a169;
        }
        .mermaid {
            background: white;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
        }
        .concept-box h4, .warning-box h4, .success-box h4 {
            margin-top: 0;
            color: var(--ink);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: white;
            box-shadow: 0 2px 4px rgba(0,0,0,0.1);
            border-radius: 8px;
            overflow: hidden;
        }
        th {
            background: var(--ink);
            color: white;
            padding: 15px;
            text-align: left;
            font-weight: 600;
        }
        td {
            padding: 12px 15px;
            border-bottom: 1px solid var(--border);
        }
        tr:hover {
            background: #f7fafc;
        }
        .fee-highlight {
            display: inline-block;
            background: var(--primary);
            color: white;
            padding: 2px 8px;
            border-radius: 4px;
            font-weight: bold;
        }
        .content-section h2 {
            margin-top: 0;
            color: var(--ink);
        }
        .content-section h3 {
            color: var(--primary);
            margin-top: 30px;
        }
        .content-section h4 {
            color: var(--ink);
        }
        @media (max-width: 768px) {
            .toc-grid {
                grid-template-columns: 1fr;
            }
            .content-section {
                padding: 40px 20px;
            }
        }
    