body { font-family: 'Arial', sans-serif; line-height: 1.6; margin: 0; padding: 0; color: #333; background-color: #f5f5f5; }
        header { background-color: #FF4500; color: white; padding: 1rem; text-align: center; position: relative; }
        .logo { font-size: 2rem; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.3); }
        nav { display: flex; justify-content: center; gap: 2rem; margin-top: 1rem; }
        nav a { color: white; text-decoration: none; font-weight: bold; }
        .mobile-nav-toggle { display: none; position: absolute; top: 1rem; right: 1rem; background: none; border: none; color: white; font-size: 1.5rem; }
        @media (max-width: 768px) {
            nav { display: none; flex-direction: column; background-color: rgba(255,69,0,0.9); position: absolute; top: 4rem; left: 0; right: 0; padding: 1rem; }
            nav.active { display: flex; }
            .mobile-nav-toggle { display: block; }
        }
        .container { max-width: 1200px; margin: 2rem auto; padding: 0 1rem; }
        h1 { font-size: 2.5rem; margin-bottom: 1rem; color: #FF4500; }
        h2 { font-size: 2rem; margin: 2rem 0 1rem; color: #E63946; }
        h3 { font-size: 1.5rem; margin: 1.5rem 0 0.5rem; color: #457B9D; }
        .btn { display: inline-block; background-color: #FF4500; color: white; padding: 0.8rem 1.5rem; border-radius: 5px; text-decoration: none; font-weight: bold; margin: 0.5rem 0; }
        .btn:hover { background-color: #E63946; }
        .download-section, .login-section { background-color: white; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; box-shadow: 0 2px 5px rgba(0,0,0,0.1); }
        .stats { background-color: #E9F5DB; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
        .community { background-color: #F8EDEB; padding: 1.5rem; border-radius: 8px; margin: 2rem 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; margin: 1rem 0; }
        footer { background-color: #333; color: white; text-align: center; padding: 1.5rem; margin-top: 2rem; }
        .tags { margin: 1rem 0; }
        .tag { display: inline-block; background-color: #457B9D; color: white; padding: 0.3rem 0.8rem; border-radius: 20px; margin: 0.2rem; text-decoration: none; }