body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
            margin: 0;
            padding: 0;
            background: #f5f5f5;
            color: #333;
        }
        header {
            background: #1a1a2e;
            color: #fff;
            padding: 1rem 0;
            text-align: center;
        }
        .logo {
            max-width: 200px;
            margin: 0 auto 1rem;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            background: #fff;
            box-shadow: 0 0 10px rgba(0,0,0,0.1);
        }
        .hero-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            display: block;
            margin: 2rem auto;
            border-radius: 8px;
        }
        h1, h2, h3 {
            color: #1a1a2e;
        }
        footer {
            background: #1a1a2e;
            color: #fff;
            text-align: center;
            padding: 1rem 0;
            margin-top: 2rem;
        }
        .btn {
            display: inline-block;
            background: #e94560;
            color: #fff;
            padding: 12px 30px;
            text-decoration: none;
            border-radius: 5px;
            font-weight: bold;
            margin: 20px auto;
            text-align: center;
            width: 200px;
        }
        .btn:hover {
            background: #d13a5a;
        }
        .center {
            text-align: center;
        }
        .ad-container {
            margin: 20px auto;
            text-align: center;
        }