html,body{user-select:none;-webkit-user-select:none;-webkit-touch-callout:none}
input,textarea,[contenteditable=true]{user-select:text;-webkit-user-select:text}
img,video,canvas,svg{-webkit-user-drag:none;-webkit-touch-callout:none}
[data-preview-no-export],.dd-download,#rh-attachment-download,#rh-attachment-tab,#print{display:none!important}
video::-webkit-media-controls-download-button{display:none!important}
@media print{body>*{display:none!important}body::before{display:block;content:'仅供在线预览，未提供打印或导出。';color:#000;font:20px sans-serif}}
#rh-mobile-navigation{display:none}
@media(max-width:1000px),(pointer:coarse){
body:has(#rh-mobile-navigation){padding-bottom:calc(84px + env(safe-area-inset-bottom,0px))}
#rh-mobile-navigation{position:fixed;z-index:10000;left:50%;bottom:calc(12px + env(safe-area-inset-bottom,0px));transform:translateX(-50%);display:flex;align-items:center;justify-content:space-between;gap:12px;width:min(340px,calc(100vw - 24px));box-sizing:border-box;padding:8px;border:1px solid #c5d4b440;border-radius:18px;background:#101512ed;box-shadow:0 6px 28px #0006;backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);font-family:system-ui,sans-serif}
#rh-mobile-navigation button{height:44px;min-width:102px;padding:0 12px;border:0;border-radius:11px;color:#e7eddf;background:#c5d4b41c;font:500 14px system-ui,sans-serif;touch-action:manipulation;cursor:pointer}
#rh-mobile-navigation button:disabled{opacity:.35;cursor:default}
#rh-mobile-navigation button:last-child{color:#101512;background:#c1d1ae}
#rh-mobile-navigation output{min-width:64px;text-align:center;color:#cbd3c5;font-size:13px;font-variant-numeric:tabular-nums}
}