支援的語言
預設 lang: 'auto' 會跟隨瀏覽器語言。傳入明確的 BCP-47 標籤（例如 'ja'、'pt-BR'）可鎖定 widget 顯示語言。內建 54 種語系：
| Tag | Native | Language |
|---|---|---|
ar | العربية | Arabic |
bg | Български | Bulgarian |
bn | বাংলা | Bengali |
cs | Čeština | Czech |
da | Dansk | Danish |
de | Deutsch | German |
el | Ελληνικά | Greek |
en | English | English |
es | Español | Spanish |
et | Eesti | Estonian |
fa | فارسی | Persian |
fi | Suomi | Finnish |
fil | Filipino | Filipino |
fr | Français | French |
gu | ગુજરાતી | Gujarati |
he | עברית | Hebrew |
hi | हिन्दी | Hindi |
hr | Hrvatski | Croatian |
hu | Magyar | Hungarian |
id | Bahasa Indonesia | Indonesian |
it | Italiano | Italian |
ja | 日本語 | Japanese |
km | ខ្មែរ | Khmer |
kn | ಕನ್ನಡ | Kannada |
ko | 한국어 | Korean |
lo | ລາວ | Lao |
ml | മലയാളം | Malayalam |
mr | मराठी | Marathi |
ms | Bahasa Melayu | Malay |
my | မြန်မာ | Burmese |
ne | नेपाली | Nepali |
nl | Nederlands | Dutch |
no | Norsk | Norwegian |
pa | ਪੰਜਾਬੀ | Punjabi |
pl | Polski | Polish |
pt | Português | Portuguese |
pt-BR | Português (Brasil) | Portuguese (Brazil) |
ro | Română | Romanian |
ru | Русский | Russian |
si | සිංහල | Sinhala |
sk | Slovenčina | Slovak |
sl | Slovenščina | Slovenian |
sr | Српски | Serbian |
sv | Svenska | Swedish |
sw | Kiswahili | Swahili |
ta | தமிழ் | Tamil |
te | తెలుగు | Telugu |
th | ไทย | Thai |
tr | Türkçe | Turkish |
uk | Українська | Ukrainian |
ur | اردو | Urdu |
vi | Tiếng Việt | Vietnamese |
zh-CN | 简体中文 | Simplified Chinese |
zh-TW | 繁體中文 | Traditional Chinese |
RTL（由右至左）：ar、fa、he、ur。帶地區後綴的標籤會以前綴比對方式正規化（en-US → en、fr-CA → fr）。