body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 1200px; margin: 0 auto; padding: 20px; }
        h1 { color: #0066cc; text-align: center; margin-bottom: 30px; }
        h2 { color: #ff6600; border-bottom: 2px solid #eee; padding-bottom: 5px; }
        h3 { color: #339966; }
        .logo { font-size: 28px; font-weight: bold; text-transform: uppercase; letter-spacing: 2px; margin: 20px 0; text-align: center; }
        .nav { background: #0066cc; padding: 10px; position: relative; }
        .nav-mobile { display: none; }
        .nav-links { display: flex; justify-content: center; gap: 20px; }
        .nav-links a { color: white; text-decoration: none; }
        .download-btn, .login-btn { display: inline-block; background: #ff6600; color: white; padding: 10px 20px; margin: 15px 0; border-radius: 5px; text-decoration: none; }
        .stats { background: #f0f8ff; padding: 15px; border-radius: 8px; margin: 20px 0; }
        .strategy { background: #fff9e6; padding: 15px; border-radius: 8px; margin: 20px 0; }
        img { max-width: 100%; height: auto; display: block; margin: 20px auto; border-radius: 8px; }
        .tags { margin: 20px 0; }
        .tags a { background: #eee; padding: 5px 10px; border-radius: 3px; text-decoration: none; color: #0066cc; margin: 0 5px; }
        .footer { text-align: center; margin-top: 40px; padding: 20px; background: #f5f5f5; }
        @media (max-width: 768px) {
            .nav-links { display: none; }
            .nav-mobile { display: block; background: #ff6600; color: white; padding: 10px; text-align: center; cursor: pointer; }
            .nav.active .nav-links { display: flex; flex-direction: column; }
        }