body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #8B0000; font-size: 2.2em; text-align: center; margin-bottom: 30px; }
        h2 { color: #B22222; border-bottom: 2px solid #FFD700; padding-bottom: 5px; margin-top: 40px; }
        h3 { color: #CD5C5C; margin-top: 30px; }
        .logo { font-size: 2.5em; font-weight: bold; color: #8B0000; text-shadow: 2px 2px 4px rgba(0,0,0,0.2); }
        .nav { background-color: #FFD700; padding: 15px; border-radius: 8px; margin-bottom: 30px; }
        .nav-mobile { display: none; background-color: #FFD700; padding: 10px; text-align: center; cursor: pointer; }
        .download-btn { background-color: #4CAF50; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 0; }
        .login-btn { background-color: #2196F3; color: white; padding: 12px 25px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 15px 10px; }
        .image-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border-radius: 8px; }
        .tag-container { margin: 30px 0; }
        .tag { background-color: #f0f0f0; padding: 5px 10px; border-radius: 15px; margin-right: 8px; display: inline-block; margin-bottom: 8px; }
        footer { margin-top: 50px; padding-top: 20px; border-top: 1px solid #ddd; text-align: center; }
        @media (max-width: 768px) {
            .nav { display: none; }
            .nav-mobile { display: block; }
            .nav.active { display: block; }
            h1 { font-size: 1.8em; }
        }