(function() { if (window.matchMedia('(display-mode: standalone)').matches) return; var shown = localStorage.getItem('bb-pwa-shown'); if (shown) return; var isIOS = /iphone|ipad|ipod/.test(navigator.userAgent.toLowerCase()); var isSafari = /safari/.test(navigator.userAgent.toLowerCase()) && !/chrome/.test(navigator.userAgent.toLowerCase()); setTimeout(function() { var msg = isIOS && isSafari ? '點下方 分享按鈕 → 加入主畫面，就能像 App 一樣使用 BB 🌸' : '點右上角 三點選單 → 加入主畫面，就能像 App 一樣使用 BB 🌸'; var div = document.createElement('div'); div.id = 'bb-pwa-hint'; div.style.position = 'fixed'; div.style.bottom = '24px'; div.style.left = '50%'; div.style.transform = 'translateX(-50%)'; div.style.background = 'white'; div.style.border = '1px solid #E4DDD0'; div.style.borderRadius = '16px'; div.style.padding = '1.25rem 1.5rem'; div.style.maxWidth = '320px'; div.style.width = '90%'; div.style.zIndex = '9999'; div.style.boxShadow = '0 4px 24px rgba(0,0,0,0.15)'; div.style.fontFamily = 'sans-serif'; div.innerHTML = '

📲 加入主畫面

' + '

' + msg + '

' + ''; document.body.appendChild(div); document.getElementById('bb-pwa-btn').onclick = function() { document.getElementById('bb-pwa-hint').remove(); localStorage.setItem('bb-pwa-shown', '1'); }; localStorage.setItem('bb-pwa-shown', '1'); }, 3000); })();