/* roulang page: index */
:root {
            --primary: #00D26A;
            --primary-hover: #00B359;
            --accent: #FF6B00;
            --bg-light: #F8FAFC;
            --bg-card: #FFFFFF;
            --text-main: #0B132B;
            --text-body: #334155;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --dark-surface: #0F172A;
            --dark-card: #1E293B;
        }

        html {
            scroll-behavior: smooth;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
        }

        body {
            background-color: var(--bg-light);
            color: var(--text-body);
            overflow-x: hidden;
        }

        .hero-banner-bg {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.94) 0%, rgba(15, 23, 42, 0.82) 100%), url('/assets/images/740f36e5d10dcfc4.jpg') center/cover no-repeat;
        }

        .dark-section-bg {
            background: radial-gradient(circle at top right, #1E293B 0%, #0F172A 100%);
        }

        .cta-gradient-bg {
            background: linear-gradient(120deg, #0B132B 0%, #1E293B 100%);
        }

        .badge-pulse {
            animation: pulse 2s cubic-bezier(0.4, 0, 0.6, 1) infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; }
            50% { opacity: .6; }
        }

        .accordion-content {
            transition: max-height 0.3s ease-out, opacity 0.2s ease-out;
            max-height: 0;
            overflow: hidden;
            opacity: 0;
        }

        .accordion-content.active {
            max-height: 280px;
            opacity: 1;
        }