/* 公安备案标识：按公安部互联网安全管理服务平台要求，图标在前、编号在后 */
.beian-link{display:inline-flex;align-items:center;gap:4px;text-decoration:none;border-bottom:0;font-weight:inherit;white-space:nowrap;line-height:1.2;vertical-align:middle;color:inherit}
.beian-link img{width:17px;height:18px;display:block;flex:0 0 auto}
.beian-link span{font-size:inherit;line-height:1.2}
.beian-link:hover span{text-decoration:underline}
.beian-link:focus-visible{outline:2px solid currentColor;outline-offset:2px;border-radius:2px}
@media(max-width:640px){.beian-link img{width:16px;height:17px}}
/* math-grade4 等 React 页面：水合会重建 main 内 DOM，备案条放在 React 根之外 */
.app-filing{padding:2px 24px 30px;text-align:center;font-size:11px;line-height:1.6;color:#6b7264;background:transparent}
.app-filing .beian-link{justify-content:center;color:inherit}
.app-filing .beian-link span{font-size:11px!important;color:inherit!important}