body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #0047AB; margin-bottom: 20px; text-align: center; }
        nav { background-color: #FFD700; padding: 10px; display: flex; justify-content: space-around; flex-wrap: wrap; }
        nav a { color: #0047AB; text-decoration: none; font-weight: bold; padding: 5px 10px; }
        .mobile-nav-toggle { display: none; background: #0047AB; color: white; padding: 10px; cursor: pointer; }
        h1 { color: #0047AB; border-bottom: 2px solid #FFD700; padding-bottom: 10px; }
        h2 { color: #FF8C00; margin-top: 30px; }
        h3 { color: #2E8B57; }
        .download-btn, .login-btn { display: inline-block; background-color: #0047AB; color: white; padding: 15px 30px; margin: 20px 0; text-decoration: none; font-weight: bold; border-radius: 5px; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border: 2px solid #FFD700; }
        .tags { margin: 20px 0; }
        .tags a { background-color: #f0f0f0; padding: 5px 10px; margin: 0 5px; text-decoration: none; color: #0047AB; border-radius: 3px; }
        footer { background-color: #333; color: white; padding: 20px; text-align: center; margin-top: 40px; }
        @media (max-width: 768px) {
            .mobile-nav-toggle { display: block; }
            nav { display: none; flex-direction: column; }
            nav.active { display: flex; }
            .logo { font-size: 2em; }
        }