:root{--nav-height:57px;--input-box-height:106px;--input-box-bottom:42px;--chat-list-top:32px;--nav-width:77px;--content-width:1100px;--chat-answer-width:652px;--chat-reference-width:392px;--chat-answer-gap:56px;--scrollbar-color:#0000001a}html,body{max-width:100vw;font-family:Arial,PingFang SC,sans-serif;-webkit-text-size-adjust:100%!important}body{color:var(--text-primary);background:var(--bg-container)}*{box-sizing:border-box;margin:0;padding:0}a{color:inherit;text-decoration:none}