:root{--paper:#f4f1e8;--paper-strong:#fffdf7;--paper-muted:#ebe7dc;--ink:#20252a;--ink-soft:#687178;--accent:#35566d;--accent-soft:#e7edf0;--line:#d4d0c7;--line-strong:#aeb5b8;--font-body:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","Noto Sans JP","PingFang TC","Hiragino Sans",Arial,sans-serif;--font-mono:ui-monospace,SFMono-Regular,Menlo,Monaco,Consolas,"Liberation Mono",monospace;font-family:var(--font-body);color:var(--ink);background:var(--paper);font-synthesis:none;text-rendering:optimizeLegibility}*{box-sizing:border-box}html{background:var(--paper)}body{margin:0;min-width:320px;background:var(--paper)}a{color:var(--accent);text-underline-offset:3px;text-decoration-thickness:1px}a:hover{color:var(--ink)}button{font:inherit;color:inherit}button:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}::selection{background:#cbd8de}