:root{--color-text:#2d2218;--color-muted:#6c5842;--color-accent:#712114;--color-green:#2f6b3b;--color-red:#9f2f2f;--color-teal:#2c5a5e;--surface-border:rgba(120,82,35,.18);--surface-bg:rgba(255,251,243,.9);--surface-bg-strong:hsla(41,79%,95%,.98);--surface-shadow:0 20px 48px rgba(80,52,19,.12);--ui-font-sans:"PingFang SC","PingFang TC","Hiragino Sans GB","Microsoft YaHei","Microsoft JhengHei","Noto Sans CJK SC";--ui-font-serif:"Source Han Serif SC","Source Han Serif TC","Noto Serif CJK SC","Songti SC","Songti TC","STSong"}*,:after,:before{box-sizing:border-box}html{font-size:16px}body{color:var(--color-text);font-family:var(--ui-font-sans),sans-serif;margin:0}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.ui-font-sans{font-family:var(--ui-font-sans),serif}.ui-font-serif{font-family:var(--ui-font-serif),serif}.ui-empty-text,.ui-muted-text{color:var(--color-muted)}.ui-empty-text{font-size:.875rem}