/* 公共壳层细节：备案信息在宣传页和已登录工作台都保持可见 */
.app-footer { flex:0 0 auto; padding: 8px 18px 12px; color: rgba(60,60,67,.42); background: rgba(242,242,247,.75); text-align:right; font-size:11px; letter-spacing:.08em; }
@media (max-width: 900px) { .app-footer { padding: 7px 12px 10px; text-align:center; font-size:10px; } }