body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .mobile-nav { display: none; background: #ffd700; padding: 10px; text-align: center; }
        .desktop-nav { background: #ffd700; padding: 15px 0; }
        .desktop-nav ul { display: flex; justify-content: center; list-style: none; margin: 0; padding: 0; }
        .desktop-nav li { margin: 0 15px; }
        .desktop-nav a { text-decoration: none; color: #000; font-weight: bold; font-size: 18px; }
        .logo { font-size: 28px; font-weight: 900; color: #ff4500; letter-spacing: 2px; }
        h1 { color: #ff4500; text-align: center; margin: 30px 0; }
        h2 { color: #ff6b35; border-bottom: 2px solid #ffd700; padding-bottom: 10px; margin: 40px 0 20px; }
        h3 { color: #ff8c00; margin: 30px 0 15px; }
        .download-btn, .login-btn { display: inline-block; background: #ff4500; color: white; padding: 12px 25px; margin: 15px 0; border-radius: 30px; text-decoration: none; font-weight: bold; }
        .img-container { text-align: center; margin: 30px 0; }
        img { max-width: 100%; height: auto; border-radius: 10px; }
        .table-container { margin: 30px 0; overflow-x: auto; }
        table { width: 100%; border-collapse: collapse; }
        th, td { border: 1px solid #ddd; padding: 12px; text-align: left; }
        th { background: #ffd700; }
        .tags { margin: 30px 0; }
        .tag { background: #f0f0f0; padding: 5px 10px; margin: 5px; display: inline-block; border-radius: 20px; }
        .footer { background: #333; color: white; padding: 30px 0; text-align: center; margin-top: 50px; }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-nav { display: block; }
            body { padding: 0 10px; }
        }