/* roulang page: index */
:root {
            --primary: #059669;
            --primary-dark: #064e3b;
            --accent: #f59e0b;
            --bg-light: #f8fafc;
            --text-main: #0f172a;
            --text-muted: #475569;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            color: var(--text-main);
            background-color: #ffffff;
            line-height: 1.6;
        }
        .hero-pattern {
            background: linear-gradient(135deg, rgba(6, 78, 59, 0.95) 0%, rgba(3, 43, 36, 0.92) 100%), url('/assets/images/a59fbccc29096aae.webp') center/cover no-repeat;
        }
        .whitepaper-bg {
            background: linear-gradient(135deg, #064e3b 0%, #0b1329 100%);
        }
        .badge-soft {
            background-color: rgba(16, 185, 129, 0.12);
            color: #047857;
        }