/* 語言切換 lang switcher — v20261019i18n（zh 與 /en/ /vi/ /th/ 共用；只新增樣式，不覆蓋既有規則） */
.topbar-inner .tb-social{margin-left:auto}
.lang-sw{display:flex;flex-wrap:wrap;align-items:center;gap:2px 0;font-size:12.5px;line-height:1.5}
.lang-sw a{color:rgba(255,255,255,.72);text-decoration:none;white-space:nowrap;padding:2px 9px;border-left:1px solid rgba(255,255,255,.22)}
.lang-sw a:first-child{border-left:0;padding-left:0}
.lang-sw a:last-child{padding-right:0}
.lang-sw a[aria-current]{color:#d4b25a;font-weight:700}
.lang-sw a:hover,.lang-sw a:focus-visible{color:#fff}
@media(max-width:680px){.topbar .lang-sw{flex-basis:100%;justify-content:flex-end;font-size:13px}}
.zh-tag{display:inline-block;margin-left:5px;padding:0 4px;border:1px solid currentColor;border-radius:3px;font-size:10px;line-height:15px;font-weight:600;letter-spacing:0;opacity:.65;vertical-align:1px;text-transform:none;font-style:normal}