ck-btn {
            display: inline-block;
            background: linear-gradient(135deg, #cc2936, #aa1e2a);
            color: white;
            text-decoration: none;
            padding: 14px 28px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 15px rgba(204, 41, 54, 0.3);
        }

        .back-btn:hover {
            background: linear-gradient(135deg, #dd3a47, #bb252f);
            tra