            }
                            return this.lang[s] ? this.lang[s][navigator.language] ?? s : s;
                        },
                    },
                };
                Vue.createApp(app).mount("body");
            });
        </script>
    </head>
    <body>
        <header>
            <h1>Brook Manager</h1>
            <nav>
                <a href="./index.html">{{l('Home')}}</a>
                <a href="./vip.html">{{l('VIP Level')}}</a>
                <a href="./product.html" s