/* roulang page: index */
:root {
            --bg-base: #0B0E14;
            --bg-card: #121722;
            --primary: #00FF88;
            --primary-cyan: #00E5FF;
            --accent: #FF3366;
            --text-main: #FFFFFF;
            --text-sub: #94A3B8;
            --border-color: rgba(255, 255, 255, 0.08);
        }
        body {
            background-color: var(--bg-base);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif;
            overflow-x: hidden;
        }
        .gradient-text-neon {
            background: linear-gradient(135deg, #00FF88 0%, #00E5FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .gradient-text-pink {
            background: linear-gradient(135deg, #FF3366 0%, #FF8800 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .bg-cyber-gradient {
            background: linear-gradient(135deg, #00FF88 0%, #00E5FF 100%);
        }
        .bg-pink-gradient {
            background: linear-gradient(135deg, #FF3366 0%, #FF8800 100%);
        }
        .glass-panel {
            background: rgba(18, 23, 34, 0.75);
            backdrop-filter: blur(16px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .glass-panel-hover {
            transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .glass-panel-hover:hover {
            border-color: rgba(0, 255, 136, 0.4);
            transform: translateY(-4px);
            box-shadow: 0 12px 30px -10px rgba(0, 255, 136, 0.15);
        }
        .pulse-light {
            animation: pulseGlow 2s infinite ease-in-out;
        }
        @keyframes pulseGlow {
            0%, 100% { opacity: 0.4; transform: scale(1); }
            50% { opacity: 1; transform: scale(1.05); }
        }