body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            background-color: #f5f5f5;
        }
        header {
            background-color: #1a3e72;
            color: white;
            padding: 20px;
            border-radius: 5px;
            margin-bottom: 30px;
        }
        .logo {
            font-size: 2.5em;
            font-weight: bold;
            text-align: center;
            margin-bottom: 15px;
            text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
        }
        nav {
            display: flex;
            justify-content: space-around;
            flex-wrap: wrap;
        }
        nav a {
            color: white;
            text-decoration: none;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background-color 0.3s;
        }
        nav a:hover {
            background-color: #2a5a9a;
        }
        .mobile-nav-toggle {
            display: none;
            background-color: #2a5a9a;
            color: white;
            border: none;
            padding: 10px;
            border-radius: 5px;
            cursor: pointer;
            margin-bottom: 15px;
        }
        h1 {
            color: #1a3e72;
            border-bottom: 2px solid #1a3e72;
            padding-bottom: 10px;
        }
        h2 {
            color: #2a5a9a;
            margin-top: 30px;
        }
        h3 {
            color: #3a7ab5;
        }
        .download-btn, .login-btn {
            display: inline-block;
            background-color: #4CAF50;
            color: white;
            padding: 15px 30px;
            margin: 20px 0;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            text-align: center;
        }
        .login-btn {
            background-color: #2196F3;
            margin-left: 15px;
        }
        .image-container {
            text-align: center;
            margin: 30px 0;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background-color: white;
        }
        th, td {
            border: 1px solid #ddd;
            padding: 12px;
            text-align: left;
        }
        th {
            background-color: #1a3e72;
            color: white;
        }
        tr:nth-child(even) {
            background-color: #f2f2f2;
        }
        .highlight {
            background-color: #fffde7;
            padding: 15px;
            border-left: 4px solid #ffc107;
            margin: 20px 0;
        }
        footer {
            margin-top: 50px;
            padding: 20px;
            background-color: #1a3e72;
            color: white;
            border-radius: 5px;
            text-align: center;
        }
        .tag-cloud {
            margin: 30px 0;
            text-align: center;
        }
        .tag-cloud a {
            display: inline-block;
            background-color: #e0e0e0;
            color: #333;
            padding: 5px 10px;
            margin: 5px;
            border-radius: 20px;
            text-decoration: none;
            transition: all 0.3s;
        }
        .tag-cloud a:hover {
            background-color: #1a3e72;
            color: white;
        }
        @media (max-width: 768px) {
            .mobile-nav-toggle {
                display: block;
            }
            nav {
                display: none;
                flex-direction: column;
                align-items: center;
            }
            nav.active {
                display: flex;
            }
            .download-btn, .login-btn {
                display: block;
                width: 100%;
                margin: 10px 0;
            }
            .login-btn {
                margin-left: 0;
            }
        }