/* CSP fix: 取代 index.html 內的 inline style 屬性，使 style-src 'self' 即可合規 */
.icon-gap   { margin-right: 0.4em; }
.iframe-news { max-width: 500px; }
.iframe-fb  { border: none; overflow: hidden; }
.mt-1em     { margin-top: 1em; }

/* FB iframe 在 Firefox/Safari（不支援 credentialless）被 COEP 擋時的降級連結卡 */
.fb-fallback {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  height: 500px;
  border: 1px solid #dddfe2;
  border-radius: 8px;
  background: #f0f2f5;
  color: #1877f2;
  font-weight: bold;
  text-decoration: none;
  text-align: center;
  padding: 1em;
}
.fb-fallback:hover { background: #e4e6eb; text-decoration: underline; }