/* A9 熔断提示条 */
#ai-pause-bar{position:sticky;top:0;z-index:1000;padding:10px 16px;font-weight:700;text-align:center;font-size:1rem}
#ai-pause-bar.ai-pause-teacher{background:#c62828;color:#fff}
#ai-pause-bar.ai-pause-student{background:#fff3cd;color:#7a4b00;border-bottom:2px solid #f0b400;font-size:1.1rem}