.lx-p0-actions > .lx-p0-btn[data-cmp-local] {
        box-shadow: none !important;
      }
      body:not(.assistant-fullscreen) .assistant-panel .composer .send-btn,
      body:not(.assistant-fullscreen) .assistant-panel .composer .send-btn:hover,
      body:not(.assistant-fullscreen) .assistant-panel .composer .send-btn:active,
      body:not(.assistant-fullscreen) .assistant-panel .composer .send-btn:focus-visible {
        box-shadow: none !important;
      }
      .assistant-panel .lx-p0-messages .typing-cursor {
        display: none !important;
      }

      /* 新对话不提供空线程全屏；首条真实消息写入后再开放展开。 */
      body:not(.assistant-fullscreen):not(.lx-auto-fs)[data-state="default"]
        .assistant-panel > .assistant-toggle,
      body:not(.assistant-fullscreen):not(.lx-auto-fs)[data-state="chat"]
        .assistant-panel:not(:has(.chat-state .lx-p0-messages > *)) > .assistant-toggle {
        display: none !important;
      }
      body:not(.assistant-fullscreen):not(.lx-auto-fs)[data-state="chat"]
        .assistant-panel:has(.chat-state .lx-p0-messages > *) > .assistant-toggle {
        display: inline-flex !important;
      }