/* roulang page: index */
:root {
            --brand-green: #00E599;
            --brand-orange: #FF6B00;
            --bg-dark: #0A0D12;
            --bg-card: #12161F;
            --text-main: #FFFFFF;
            --text-muted: #94A3B8;
            --border-color: rgba(255, 255, 255, 0.08);
        }
        body {
            background-color: var(--bg-dark);
            color: var(--text-main);
            font-feature-settings: "tnum";
            font-variant-numeric: tabular-nums;
        }
        .text-glow {
            text-shadow: 0 0 20px rgba(0, 229, 153, 0.45);
        }
        .border-glow:hover {
            border-color: rgba(0, 229, 153, 0.6);
            box-shadow: 0 0 25px rgba(0, 229, 153, 0.15);
        }
        .accordion-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s cubic-bezier(0, 1, 0, 1);
        }
        .accordion-content.open {
            max-height: 500px;
            transition: max-height 0.35s ease-in-out;
        }