body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            line-height: 1.6;
            background-color: #f9f9f9;
            color: #333;
        }

        header, footer {
            background-color: #1d1d1d;
            color: #fdfdfd;
            padding: 15px 0;
            text-align: center;
        }

        header .top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo img {
            height: 60px;
            width: auto;
            max-height: 80px;
        }

        .register-btn {
            background-color: #0051ad;
            border: none;
            padding: 12px 25px;
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            border-radius: 10px;
            text-decoration: none;
            transition: background-color 0.3s;
        }

        .register-btn:hover {
            background-color: #003d82;
        }

        .container {
            max-width: 900px;
            margin: 30px auto;
            padding: 0 20px;
        }

        h1 {
            color: #222;
            font-size: 28px;
            margin-bottom: 20px;
            text-align: center;
        }

        h2 {
            color: #222;
            font-size: 22px;
            margin: 25px 0 15px;
        }

        p {
            margin-bottom: 15px;
        }

        img {
            display: block;
            margin: 25px auto;
            max-width: 100%;
            height: auto;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        ul, ol {
            margin: 15px 0;
            padding-left: 25px;
        }

        li {
            margin-bottom: 8px;
        }

        table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            background: #fff;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
        }

        table, th, td {
            border: 1px solid #ddd;
        }

        th, td {
            padding: 12px 15px;
            text-align: left;
        }

        th {
            background-color: #f0f0f0;
            font-weight: bold;
        }

        tr:nth-child(even) {
            background-color: #f9f9f9;
        }

        .content-block {
            background: #fff;
            padding: 20px;
            margin-bottom: 30px;
            border-radius: 8px;
            box-shadow: 0 2px 5px rgba(0,0,0,0.05);
        }

        .img-btn-wrap {
            text-align: center;
            margin: 25px 0;
        }

        .img-btn, .cta-btn {
            display: inline-block;
            padding: 12px 25px;
            background-color: #0051ad;
            color: #fff;
            text-decoration: none;
            border-radius: 10px;
            font-size: 16px;
            margin: 10px 0;
            transition: background-color 0.3s;
        }

        .img-btn:hover, .cta-btn:hover {
            background-color: #003d82;
        }

        .cta-btn {
            display: block;
            margin: 30px auto;
            text-align: center;
            max-width: 300px;
        }

        footer {
            font-size: 14px;
            padding: 20px 0;
        }

        footer p {
            margin: 5px 0;
        }

        @media (max-width: 900px) {
            .container {
                width: 95%;
                padding: 0 10px;
            }
            
            header .top {
                flex-direction: column;
                align-items: center;
                gap: 15px;
            }
            
            .register-btn {
                position: static;
                margin: 15px 0;
            }
            
            h1 {
                font-size: 24px;
            }
            
            h2 {
                font-size: 20px;
            }
        }

        @media (max-width: 600px) {
            .container {
                width: 100%;
                padding: 0 15px;
            }
            
            .content-block {
                padding: 15px;
            }
            
            th, td {
                padding: 8px 10px;
                font-size: 14px;
            }
            
            .img-btn, .cta-btn, .register-btn {
                padding: 10px 20px;
                font-size: 15px;
                width: 100%;
                box-sizing: border-box;
            }
        }

        @media (max-width: 400px) {
            h1 {
                font-size: 22px;
            }
            
            h2 {
                font-size: 18px;
            }
            
            th, td {
                font-size: 13px;
                padding: 6px 8px;
            }
        }