/* roulang page: index */
:root {
            --bg-canvas: #f8fafc;
            --surface: #ffffff;
            --text-main: #0f172a;
            --text-body: #334155;
            --text-muted: #64748b;
            --border-color: #e2e8f0;
            --primary: #0284c7;
            --primary-hover: #0369a1;
        }
        body {
            background-color: var(--bg-canvas);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            -webkit-font-smoothing: antialiased;
        }
        .custom-card-shadow {
            box-shadow: 0 1px 3px 0 rgba(0, 0, 0, 0.05), 0 1px 2px -1px rgba(0, 0, 0, 0.05);
            transition: all 0.25s ease;
        }
        .custom-card-shadow:hover {
            box-shadow: 0 12px 24px -6px rgba(2, 132, 199, 0.08), 0 6px 12px -4px rgba(15, 23, 42, 0.04);
            transform: translateY(-2px);
        }
        details summary::-webkit-details-marker {
            display: none;
        }