body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        header { background: linear-gradient(135deg, #1a2a6c, #b21f1f); color: white; padding: 20px; border-radius: 10px; margin-bottom: 30px; }
        .logo { font-size: 2.5em; font-weight: bold; text-shadow: 2px 2px 4px rgba(0,0,0,0.5); }
        nav { display: flex; justify-content: space-between; margin-top: 15px; }
        nav a { color: white; text-decoration: none; margin: 0 10px; font-weight: 500; }
        .mobile-nav-toggle { display: none; background: rgba(255,255,255,0.2); border: none; color: white; padding: 10px; border-radius: 5px; }
        h1 { color: #1a2a6c; border-bottom: 3px solid #b21f1f; padding-bottom: 10px; }
        h2 { color: #b21f1f; margin-top: 40px; }
        h3 { color: #1a2a6c; margin-top: 30px; }
        .btn { display: inline-block; background: #b21f1f; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; font-weight: bold; margin: 15px 0; }
        .download-btn { background: #4CAF50; }
        .login-btn { background: #2196F3; }
        img { max-width: 100%; height: auto; margin: 20px 0; border-radius: 8px; }
        .image-container { text-align: center; margin: 30px 0; }
        footer { background: #f5f5f5; padding: 20px; margin-top: 50px; border-radius: 10px; }
        .tags { margin-top: 20px; }
        .tag { background: #e0e0e0; padding: 5px 10px; border-radius: 20px; margin: 5px; display: inline-block; }
        @media (max-width: 768px) {
            nav { flex-direction: column; }
            .mobile-nav-toggle { display: block; }
            nav .desktop-nav { display: none; }
            nav.active .desktop-nav { display: flex; flex-direction: column; }
            .logo { font-size: 2em; }
        }