/* roulang page: index */
:root {
            --bg-deep: #0B1120;
            --bg-card: rgba(30, 41, 59, 0.72);
            --border-card: rgba(255, 255, 255, 0.09);
            --primary-cyan: #00D2FF;
            --primary-blue: #3B82F6;
            --glow-neon: #38BDF8;
            --accent-gold: #F59E0B;
            --text-main: #F8FAFC;
            --text-muted: #94A3B8;
        }

        body {
            background-color: var(--bg-deep);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            overflow-x: hidden;
        }

        .glass-panel {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid var(--border-card);
            box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.42);
        }

        .glow-btn {
            background: linear-gradient(135deg, #00D2FF 0%, #2563EB 100%);
            box-shadow: 0 0 20px rgba(56, 189, 248, 0.45);
            transition: all 0.3s ease;
        }

        .glow-btn:hover {
            box-shadow: 0 0 30px rgba(56, 189, 248, 0.75);
            transform: translateY(-2px);
        }

        .gold-glow {
            box-shadow: 0 0 24px rgba(245, 158, 11, 0.35);
        }

        .radial-bg {
            background: radial-gradient(circle at 50% 20%, rgba(37, 99, 235, 0.15) 0%, rgba(11, 17, 32, 0) 70%);
        }

        .custom-scroll::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        .custom-scroll::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 3px;
        }