.pure-table{max-width:1020px;margin:22px 0;overflow-x:auto}.pure-table table{width:100%;border-collapse:collapse;table-layout:fixed}.pure-table th,.pure-table td{padding:14px 12px;border:1px solid var(--line);text-align:left;vertical-align:top;overflow-wrap:anywhere}.pure-table th{background:var(--surface);color:var(--accent)}.pure-table td{color:var(--muted);line-height:1.75}.pure-table .frac{font-size:1em}.pure-jump{display:flex;flex-wrap:wrap;gap:8px;margin:20px 0}.pure-jump a,.pure-quiz{display:inline-block;padding:10px 14px;border:1px solid var(--accent);color:var(--accent);border-radius:8px}.pure-quiz:hover{background:var(--accent);color:var(--bg)}.article section{scroll-margin-top:90px}.formula{overflow-x:auto;line-height:2.2}.formula .frac{line-height:1.3}.source{line-height:1.8}@media(max-width:620px){.pure-table th,.pure-table td{padding:9px 6px;font-size:12px}.pure-jump a{font-size:12px}.formula{font-size:18px}}