.demo-mode-badge {
  position:fixed; right:22px; bottom:20px; z-index:1500; min-width:210px; padding:11px 14px;
  border:1px solid rgba(80,224,176,.34); border-radius:13px; color:#dffcf4;
  background:linear-gradient(135deg,rgba(80,224,176,.16),rgba(22,143,232,.1)),rgba(2,19,17,.94);
  box-shadow:0 16px 42px rgba(0,0,0,.38),0 0 24px rgba(80,224,176,.1); backdrop-filter:blur(16px);
}
.demo-mode-badge strong,.demo-mode-badge span { display:block; }
.demo-mode-badge strong { font-size:12px; font-weight:850; letter-spacing:.02em; }
.demo-mode-badge span { margin-top:3px; color:#8fc9bb; font-size:10px; }

/* 主站资产库（车型素材/共享素材）上传为管理员专属；自由创作上传与本地创建入口对全院开放，登录即可。 */
body[data-can-manage-assets="false"] #asset-upload-form,
body[data-can-manage-assets="false"] #shared-upload-form,
body[data-can-upload-assets="false"] #commercial-upload-trigger,
body[data-can-upload-assets="false"] #commercial-create-local,
body[data-can-upload-assets="false"] [data-action-mode="model_upload"],
body[data-can-manage-assets="false"] #commercial-agent-manage,
body[data-can-manage-assets="false"] [data-supply-selling-point],
body[data-can-manage-assets="false"] [data-unified-vehicle-action],
body[data-can-manage-assets="false"] [data-unified-vehicle-card-action],
body[data-can-manage-assets="false"] [data-unified-shared-edit],
body[data-can-manage-assets="false"] [data-unified-shared-delete],
body[data-can-manage-assets="false"] [data-unified-delete-filename],
body[data-can-manage-assets="false"] [data-unified-rename-filename],
body[data-can-manage-assets="false"] [data-unified-classify-filename],
body[data-can-manage-assets="false"] [data-unified-unbind-filename],
body[data-can-manage-assets="false"] [data-unified-model-toggle],
body[data-can-manage-assets="false"] [data-unified-model-delete],
body[data-can-manage-assets="false"] [data-unified-material-batch-start],
body[data-can-manage-assets="false"] [data-unified-material-batch-rename],
body[data-can-manage-assets="false"] [data-unified-material-batch-bind],
body[data-can-manage-assets="false"] [data-unified-material-batch-delete] { display:none!important; }