body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
            background-color: #f5f2ff;
        }
        header {
            background: linear-gradient(135deg, #4b0082, #9370db);
            color: white;
            padding: 20px;
            border-radius: 0 0 15px 15px;
            margin-bottom: 30px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .logo {
            font-size: 2.5rem;
            font-weight: bold;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
            margin-bottom: 10px;
        }
        nav {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
        }
        nav a {
            color: white;
            text-decoration: none;
            margin: 5px 10px;
            font-weight: 500;
        }
        .mobile-menu {
            display: none;
            background: #6a0dad;
            padding: 10px;
            border-radius: 5px;
            cursor: pointer;
        }
        h1 {
            color: #4b0082;
            border-bottom: 3px solid #9370db;
            padding-bottom: 10px;
            margin-top: 40px;
        }
        h2 {
            color: #6a0dad;
            margin: 30px 0 15px;
        }
        h3 {
            color: #7b68ee;
            margin: 25px 0 10px;
        }
        .download-btn {
            display: inline-block;
            background: #4CAF50;
            color: white;
            padding: 12px 25px;
            margin: 15px 0;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .login-btn {
            display: inline-block;
            background: #2196F3;
            color: white;
            padding: 12px 25px;
            margin: 15px 10px;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            box-shadow: 0 2px 5px rgba(0,0,0,0.2);
        }
        .feature-box {
            background: white;
            border-radius: 10px;
            padding: 20px;
            margin: 20px 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .stats {
            background: #e8e4ff;
            padding: 15px;
            border-radius: 8px;
            margin: 15px 0;
        }
        .strategy-section {
            background: #f0f8ff;
            padding: 20px;
            border-left: 5px solid #1e90ff;
            margin: 20px 0;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            margin: 20px 0;
            display: block;
        }
        footer {
            background: #333;
            color: white;
            padding: 30px;
            margin-top: 40px;
            border-radius: 10px 10px 0 0;
        }
        .tag {
            display: inline-block;
            background: #6a0dad;
            color: white;
            padding: 5px 10px;
            margin: 5px;
            border-radius: 20px;
            font-size: 0.9em;
        }
        @media (max-width: 768px) {
            .mobile-menu {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
            }
            nav.active {
                display: flex;
            }
            body {
                padding: 0 10px;
            }
        }