/* roulang page: index */
:root {
            --brand-primary: #0D9488;
            --brand-emerald: #059669;
            --brand-sky: #0284C7;
            --brand-amber: #F59E0B;
            --text-main: #0F172A;
            --text-body: #334155;
            --text-muted: #64748B;
            --bg-canvas: #F8FAFC;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background-color: var(--bg-canvas);
            color: var(--text-body);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "PingFang SC", "Microsoft YaHei", sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
        }

        .pulse-indicator {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            position: relative;
        }
        .pulse-indicator::after {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            border-radius: 50%;
            background: inherit;
            animation: pulse-ring 1.8s cubic-bezier(0.24, 0, 0.38, 1) infinite;
            opacity: 0.7;
        }
        @keyframes pulse-ring {
            0% { transform: scale(0.9); opacity: 0.8; }
            100% { transform: scale(2.6); opacity: 0; }
        }

        .bento-card {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .bento-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 20px 25px -5px rgba(13, 148, 136, 0.08), 0 10px 10px -5px rgba(13, 148, 136, 0.04);
        }

        .faq-content {
            transition: max-height 0.35s ease, opacity 0.3s ease;
        }

        @media (max-width: 640px) {
            .hero-stat-badge {
                padding: 0.5rem 0.75rem;
            }
        }