:root{--ink:#2C2926;--ink2:#5E574F;--ink3:#6A6359;--line:#E7E0D5;--line2:#D6CCBE;--bg:#FBF8F4;--bg2:#F4EFE8;--bg3:#EBE4DA;--surface:#FFFFFF;--accent:#B4441F;--accent-soft:#FCEDE7;--green:#41603F;--green-bg:#E7EFE4;--amber:#8A5F28;--blue:#4E6B85;--red:#9E4A42;--red-b:#F8E9E6}*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}html{-webkit-text-size-adjust:100%}body{background:var(--bg);color:var(--ink);overflow-x:clip;font-family:-apple-system,Segoe UI,Roboto,Helvetica Neue,PingFang SC,Microsoft YaHei,sans-serif;font-size:16px;line-height:1.65}main{max-width:600px;margin:0 auto;padding:10px 20px 8px}.topbar-wrap{position:sticky;top:0;z-index:30;background:var(--bg);border-bottom:1px solid var(--line)}.topbar{max-width:600px;margin:0 auto;padding:0 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