/* SJX Hub：返回作品页链接（独立文件，不改原样式与 app.js） */
.sjx-back{display:inline-flex;align-items:center;gap:4px;min-height:32px;padding:0 12px;border:1px solid var(--line,#d6e0e4);border-radius:999px;background:#fff;color:var(--ink,#213544);font-size:12px;font-weight:600;line-height:1;text-decoration:none;white-space:nowrap;flex:none}
.sjx-back:hover{background:#eef2f4}
.sjx-back:focus-visible{outline:2px solid #0071e3;outline-offset:2px}
@media (max-width:760px),(pointer:coarse){.sjx-back{min-height:44px}}
/* 设备验收面板（来自 device-qa28.js，原样复制，只作用于 #device-qa28） */
#device-qa28{position:fixed;z-index:10000;top:max(8px,env(safe-area-inset-top));right:8px;width:min(420px,calc(100vw - 16px));max-height:80vh;overflow:auto;background:#fff;color:#163247;border:2px solid #d63c49;border-radius:10px;padding:10px;font:14px/1.5 system-ui;box-sizing:border-box}#device-qa28 summary{min-height:44px;cursor:pointer;font-weight:bold}#device-qa28 label{display:block;margin:6px 0}#device-qa28 input:not([type=checkbox]),#device-qa28 select,#device-qa28 button{min-height:44px;width:100%;box-sizing:border-box;font:inherit}#device-qa28 button{margin:4px 0}#device-qa28 progress{width:100%}#device-qa28 pre{white-space:pre-wrap;word-break:break-word;font-size:12px}