@media(orientation:portrait)and (min-width:600px)and (any-pointer:coarse){body:after{content:"请将平板横过来使用";position:fixed;inset:0;z-index:2147483647;display:grid;place-items:center;padding:32px;background:linear-gradient(145deg,#1c1640,#51409b);color:#fff;text-align:center;font:800 24px/1.5 system-ui,PingFang SC,sans-serif}}