body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; max-width: 1200px; margin: 0 auto; padding: 20px; color: #333; }
        .logo { font-size: 28px; font-weight: bold; color: #FF6B35; text-shadow: 1px 1px 2px rgba(0,0,0,0.2); margin-bottom: 20px; }
        nav { background: #F8EDE3; padding: 15px; border-radius: 8px; margin-bottom: 30px; }
        nav ul { list-style: none; padding: 0; display: flex; flex-wrap: wrap; justify-content: space-between; }
        nav li { margin: 5px 10px; }
        nav a { color: #003566; text-decoration: none; font-weight: 500; }
        .mobile-menu-btn { display: none; background: #FF6B35; color: white; border: none; padding: 8px 12px; border-radius: 4px; cursor: pointer; }
        h1 { color: #003566; border-bottom: 3px solid #FF6B35; padding-bottom: 10px; }
        h2 { color: #2C7DA0; margin-top: 30px; }
        h3 { color: #468F8A; }
        .download-btn, .login-btn { display: inline-block; background: #FF6B35; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 6px; text-decoration: none; font-weight: bold; }
        .img-container { text-align: center; margin: 25px 0; }
        .img-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .tag { background: #E0F2FE; color: #003566; padding: 3px 8px; border-radius: 12px; margin: 3px; display: inline-block; }
        footer { margin-top: 50px; padding: 20px; background: #F8EDE3; border-radius: 8px; }
        @media (max-width: 768px) {
            nav ul { flex-direction: column; display: none; }
            .mobile-menu-btn { display: block; }
            nav.active ul { display: flex; }
            body { padding: 10px; }
        }