body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            margin: 0;
            padding: 0;
            background-color: #f5f5f5;
        }
        header {
            background-color: #1a5276;
            color: white;
            padding: 1rem;
            position: relative;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: bold;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        nav {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
        }
        .nav-links li {
            margin-left: 1.5rem;
        }
        .nav-links a {
            color: white;
            text-decoration: none;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.5rem;
            cursor: pointer;
        }
        main {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1rem;
        }
        h1, h2, h3 {
            color: #1a5276;
            margin-top: 2rem;
        }
        h1 {
            font-size: 2.2rem;
            border-bottom: 3px solid #1a5276;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 4px solid #1a5276;
            padding-left: 0.8rem;
        }
        h3 {
            font-size: 1.5rem;
        }
        .download-btn, .login-btn {
            display: inline-block;
            background-color: #2874a6;
            color: white;
            padding: 0.8rem 1.5rem;
            margin: 1rem 0;
            border-radius: 5px;
            text-decoration: none;
            font-weight: bold;
            transition: background-color 0.3s;
        }
        .download-btn:hover, .login-btn:hover {
            background-color: #1a5276;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .table-container {
            overflow-x: auto;
            margin: 2rem 0;
        }
        table {
            width: 100%;
            border-collapse: collapse;
            background-color: white;
        }
        th, td {
            border: 1px solid #ddd;
            padding: 0.8rem;
            text-align: left;
        }
        th {
            background-color: #1a5276;
            color: white;
        }
        footer {
            background-color: #333;
            color: white;
            padding: 2rem;
            text-align: center;
        }
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            margin-bottom: 1rem;
        }
        .footer-links a {
            color: white;
            margin: 0 1rem;
            text-decoration: none;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a5276;
                flex-direction: column;
                padding: 1rem;
            }
            .nav-links.active {
                display: flex;
            }
            .mobile-menu-btn {
                display: block;
            }
            h1 {
                font-size: 1.8rem;
            }
            h2 {
                font-size: 1.5rem;
            }
        }