/* roulang page: index */
:root {
            --primary: #FF5500;
            --accent: #00E599;
            --dark: #0B0F19;
            --card-bg: #111827;
        }
        body {
            background-color: #0B0F19;
            color: #F8FAFC;
            font-family: 'PingFang SC', 'MiSans', 'Inter', system-ui, sans-serif;
            overflow-x: hidden;
        }
        .hero-progress-ring {
            stroke-dasharray: 440;
            stroke-dashoffset: 70;
            transition: stroke-dashoffset 1s ease-in-out;
        }
        .custom-scrollbar::-webkit-scrollbar {
            height: 6px;
            width: 6px;
        }
        .custom-scrollbar::-webkit-scrollbar-track {
            background: #111827;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb {
            background: #334155;
            border-radius: 3px;
        }
        .custom-scrollbar::-webkit-scrollbar-thumb:hover {
            background: #FF5500;
        }
        .card-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .card-hover:hover {
            transform: translateY(-4px);
            box-shadow: 0 12px 30px -10px rgba(255, 85, 0, 0.15);
        }
        .glass-panel {
            background: rgba(17, 24, 39, 0.75);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }