::-webkit-scrollbar { display: none; }
        body { -ms-overflow-style: none; scrollbar-width: none; background-color: #f8fafc; }
        .mobile-container { max-width: 480px; margin: 0 auto; background: #f8fafc; min-height: 100vh; display: flex; flex-direction: column; box-shadow: 0 0 15px rgba(0,0,0,0.1); }
        .content-area { flex: 1; overflow-y: auto; } 
        .view { display: none; animation: fadeIn 0.3s ease; }
        .view.active { display: block; }
        @keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }
        #video-container { width: 100%; max-width: 300px; margin: 0 auto; border-radius: 12px; overflow: hidden; background: #000; }
        video { width: 100%; height: auto; object-fit: cover; }