/* roulang page: index */
body { background-color: #060913; color: #F8FAFC; }
        .glass { background: rgba(15, 23, 42, 0.65); backdrop-filter: blur(16px); border: 1px solid rgba(255, 255, 255, 0.08); }
        .glow-btn { box-shadow: 0 0 20px rgba(0, 242, 254, 0.35); transition: all 0.3s ease; }
        .glow-btn:hover { transform: translateY(-2px); box-shadow: 0 0 30px rgba(0, 242, 254, 0.5); }
        .gradient-text { background: linear-gradient(90deg, #1C64F2, #00F2FE); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }