body { font-family: 'Arial', sans-serif; line-height: 1.6; color: #333; margin: 0; padding: 0; }
        .header { background: linear-gradient(135deg, #ff6b6b, #4ecdc4); color: white; padding: 15px; text-align: center; position: relative; }
        .logo { font-size: 28px; font-weight: bold; letter-spacing: 2px; }
        .nav { display: flex; justify-content: center; gap: 20px; margin-top: 10px; }
        .nav a { color: white; text-decoration: none; }
        .mobile-nav-toggle { display: none; position: absolute; top: 15px; right: 15px; cursor: pointer; }
        .content { max-width: 1000px; margin: 20px auto; padding: 0 15px; }
        h1 { color: #ff6b6b; border-bottom: 2px solid #4ecdc4; padding-bottom: 10px; }
        h2 { color: #4ecdc4; margin-top: 30px; }
        h3 { color: #ff9f1c; }
        .download-btn, .login-btn { background: #ff6b6b; color: white; padding: 10px 20px; border-radius: 5px; text-decoration: none; display: inline-block; margin: 10px 0; }
        .download-btn:hover, .login-btn:hover { background: #ff5252; }
        .image-container { text-align: center; margin: 20px 0; }
        .image-container img { max-width: 100%; height: auto; border-radius: 8px; }
        .footer { background: #333; color: white; text-align: center; padding: 20px; margin-top: 40px; }
        .tags { margin: 20px 0; }
        .tag { background: #4ecdc4; color: white; padding: 5px 10px; border-radius: 3px; margin: 0 5px; display: inline-block; }
        @media (max-width: 768px) {
            .nav { display: none; flex-direction: column; align-items: center; }
            .nav.active { display: flex; }
            .mobile-nav-toggle { display: block; }
            .header { padding: 15px 50px 15px 15px; }
        }