.wrap[data-astro-cid-hlirlzv7]{flex-direction:column;gap:26px;display:flex}.context-bar[data-astro-cid-hlirlzv7]{border-bottom:1px solid var(--line);justify-content:space-between;align-items:center;gap:16px;min-height:52px;padding-bottom:12px;display:flex;position:relative}.where[data-astro-cid-hlirlzv7]{min-width:0;color:var(--ink-3);align-items:center;gap:9px;font-size:15px;display:flex}.where[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]{color:var(--ink-2);text-decoration:none}.where[data-astro-cid-hlirlzv7] b[data-astro-cid-hlirlzv7]{color:var(--ink);white-space:nowrap}.chapter-menu[data-astro-cid-hlirlzv7]{flex-shrink:0;position:relative}.chapter-menu[data-astro-cid-hlirlzv7]>summary[data-astro-cid-hlirlzv7]{border:1px solid var(--line);cursor:pointer;background:var(--surface);border-radius:999px;justify-content:center;align-items:center;min-height:42px;padding:7px 14px;font-size:14px;list-style:none;display:flex}.chapter-menu[data-astro-cid-hlirlzv7]>summary[data-astro-cid-hlirlzv7]::-webkit-details-marker{display:none}.chapter-menu[data-astro-cid-hlirlzv7][open]>summary[data-astro-cid-hlirlzv7]{background:var(--ink);color:var(--ground);border-color:var(--ink)}.chapbar[data-astro-cid-hlirlzv7]{z-index:20;background:var(--surface);border:1px solid var(--line);border-radius:16px;flex-direction:column;gap:12px;width:min(540px,100vw - 40px);padding:18px;display:flex;position:absolute;top:calc(100% + 10px);right:0;box-shadow:0 20px 55px #13281f22}.sel[data-astro-cid-hlirlzv7]{color:var(--ink-3);align-items:center;gap:6px;font-size:1rem;display:inline-flex}.sel[data-astro-cid-hlirlzv7] select[data-astro-cid-hlirlzv7]{font:inherit;color:var(--ink);background:var(--surface);border:1px solid var(--line-soft);border-radius:8px;max-width:46vw;padding:5px 8px;font-size:1rem}.kinds[data-astro-cid-hlirlzv7]{flex-wrap:wrap;gap:6px;display:flex}.kinds[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7],.kinds[data-astro-cid-hlirlzv7] .unavailable[data-astro-cid-hlirlzv7]{border:1px solid var(--line-soft);color:var(--ink-2);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:1rem;text-decoration:none;display:inline-flex}.kinds[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]:hover{color:var(--ink);background:var(--surface-2)}.kinds[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7][aria-current=page]{background:var(--ink);color:var(--surface);border-color:var(--ink);font-weight:600}.kinds[data-astro-cid-hlirlzv7] .unavailable[data-astro-cid-hlirlzv7]{color:var(--ink-3);opacity:.55;cursor:not-allowed}.kinds[data-astro-cid-hlirlzv7] .unavailable[data-astro-cid-hlirlzv7] small[data-astro-cid-hlirlzv7]{border:1px solid var(--line);border-radius:999px;padding:1px 6px;font-size:11px}.k-ic[data-astro-cid-hlirlzv7]{font-size:1rem}.menu-label[data-astro-cid-hlirlzv7]{color:var(--ink-3);font-size:13px}.head[data-astro-cid-hlirlzv7]{flex-direction:column;gap:12px;display:flex}.lede[data-astro-cid-hlirlzv7]{color:var(--ink-2);max-width:64ch;font-size:1.125rem}.badges[data-astro-cid-hlirlzv7]{flex-wrap:wrap;gap:8px;display:flex}.badge[data-astro-cid-hlirlzv7]{border:1px solid var(--line);color:var(--ink-2);border-radius:999px;padding:3px 10px;font-size:1rem}.badge[data-astro-cid-hlirlzv7].st-ready{border-color:var(--ok);color:var(--ok)}.badge[data-astro-cid-hlirlzv7].st-review{border-color:var(--r0);color:var(--r0)}.badge[data-astro-cid-hlirlzv7].st-draft{border-color:var(--warn);color:var(--warn)}.badge[data-astro-cid-hlirlzv7].src{font-family:var(--mono);color:var(--ink-3);font-size:1rem}.tabs[data-astro-cid-hlirlzv7]{border-bottom:1px solid var(--line);flex-wrap:wrap;gap:6px;display:flex}.tabs[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]{color:var(--ink-2);border:1px solid #0000;border-bottom:0;margin-bottom:-1px;padding:8px 14px;font-size:1rem;text-decoration:none}.tabs[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]:hover{color:var(--ink);background:var(--surface-2)}.tabs[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7][aria-current=page]{background:var(--surface);border-color:var(--line);color:var(--ink);font-weight:600}.body[data-astro-cid-hlirlzv7]{flex-direction:column;gap:26px;max-width:100%;display:flex}.body[data-astro-cid-hlirlzv7]>p,.body[data-astro-cid-hlirlzv7]>ul,.body[data-astro-cid-hlirlzv7]>ol{max-width:66ch}.body[data-astro-cid-hlirlzv7] h2{margin-top:30px}.body[data-astro-cid-hlirlzv7] h3{margin-top:20px}.body[data-astro-cid-hlirlzv7] ul,.body[data-astro-cid-hlirlzv7] ol{flex-direction:column;gap:12px;margin:0;padding-left:24px;display:flex}.body[data-astro-cid-hlirlzv7] li{line-height:1.86}.body[data-astro-cid-hlirlzv7] li>ul,.body[data-astro-cid-hlirlzv7] li>ol{margin-top:10px}.body[data-astro-cid-hlirlzv7] .table-frame{margin:4px 0}.body[data-astro-cid-hlirlzv7] .katex-display{margin:10px 0}.body[data-astro-cid-hlirlzv7] li{color:var(--ink-2)}.body[data-astro-cid-hlirlzv7] li>strong,.body[data-astro-cid-hlirlzv7] li>b{color:var(--ink)}.body[data-astro-cid-hlirlzv7] table{font-size:1rem}.body[data-astro-cid-hlirlzv7] blockquote{border-left:3px solid var(--line);color:var(--ink-2);margin:0;padding-left:16px}.pager[data-astro-cid-hlirlzv7]{border-top:1px solid var(--line);justify-content:space-between;padding-top:18px;display:flex}.pager[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]{color:var(--ink-2);font-size:1rem;text-decoration:none}.pager[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]:hover{color:var(--accent)}.lesson-next[data-astro-cid-hlirlzv7]{border:1px solid var(--line);background:var(--surface);border-radius:14px;justify-content:space-between;align-items:center;gap:20px;padding:20px 22px;display:flex}.lesson-next[data-astro-cid-hlirlzv7]>span[data-astro-cid-hlirlzv7]{flex-direction:column;gap:3px;display:flex}.lesson-next[data-astro-cid-hlirlzv7] small[data-astro-cid-hlirlzv7]{color:var(--accent);font-size:13px}.lesson-next[data-astro-cid-hlirlzv7] b[data-astro-cid-hlirlzv7]{font-size:18px}.lesson-next[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]{background:var(--ink);min-height:46px;color:var(--ground);white-space:nowrap;border-radius:999px;align-items:center;padding:9px 16px;font-size:15px;text-decoration:none;display:inline-flex}.lesson-next[data-astro-cid-hlirlzv7][hidden]{display:none}.sel[data-astro-cid-hlirlzv7] select[data-astro-cid-hlirlzv7]{max-width:100%;min-height:48px}.kinds[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7],.kinds[data-astro-cid-hlirlzv7] .unavailable[data-astro-cid-hlirlzv7]{align-items:center;min-height:46px;display:inline-flex}@media (width<=600px){.sel[data-astro-cid-hlirlzv7]{flex-wrap:wrap;min-width:0;max-width:100%}.sel[data-astro-cid-hlirlzv7] select[data-astro-cid-hlirlzv7]{width:100%;min-width:0}.kinds[data-astro-cid-hlirlzv7]{grid-template-columns:1fr 1fr;gap:8px;display:grid}.kinds[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7],.kinds[data-astro-cid-hlirlzv7] .unavailable[data-astro-cid-hlirlzv7]{justify-content:center;padding:9px;font-size:16px}.body[data-astro-cid-hlirlzv7] table{font-size:17px}}.wrap[data-astro-cid-hlirlzv7]{gap:20px;max-width:1200px;padding-top:20px}.content-meta[data-astro-cid-hlirlzv7] summary[data-astro-cid-hlirlzv7]{cursor:pointer;color:var(--ink-3);font-size:14px}.content-meta[data-astro-cid-hlirlzv7] .badges[data-astro-cid-hlirlzv7]{margin-top:10px}.head[data-astro-cid-hlirlzv7] h1[data-astro-cid-hlirlzv7]{font-size:32px}.reader-controls[data-astro-cid-hlirlzv7]{background:var(--surface);border:1px solid var(--line);border-radius:12px;flex-wrap:wrap;align-items:center;gap:10px;padding:12px;display:flex}.reader-controls[data-astro-cid-hlirlzv7][hidden]{display:none}#read-progress[data-astro-cid-hlirlzv7]{flex:1;font-size:16px}.body[data-astro-cid-hlirlzv7] [hidden]{display:none!important}@media (width<=600px){.where[data-astro-cid-hlirlzv7]{gap:6px;font-size:14px}.where[data-astro-cid-hlirlzv7] span[data-astro-cid-hlirlzv7]:nth-of-type(2){display:none}.where[data-astro-cid-hlirlzv7] b[data-astro-cid-hlirlzv7]{text-overflow:ellipsis;max-width:105px;overflow:hidden}.chapbar[data-astro-cid-hlirlzv7]{width:auto;position:fixed;top:76px;left:12px;right:12px}.head[data-astro-cid-hlirlzv7] h1[data-astro-cid-hlirlzv7]{font-size:27px}.reader-controls[data-astro-cid-hlirlzv7]{gap:6px}.lesson-next[data-astro-cid-hlirlzv7]{flex-direction:column;align-items:flex-start}.lesson-next[data-astro-cid-hlirlzv7] a[data-astro-cid-hlirlzv7]{justify-content:center;width:100%}}.head[data-astro-cid-hlirlzv7][hidden]{display:none}.body[data-astro-cid-hlirlzv7] .lesson-image{border:1px solid var(--line);border-radius:14px;max-width:750px;margin:0;overflow:hidden}.body[data-astro-cid-hlirlzv7] .lesson-image img{object-fit:cover;object-position:right 60%;width:100%;height:210px;display:block}@media (width<=600px){.body[data-astro-cid-hlirlzv7] .lesson-image img{height:160px}}.empty[data-astro-cid-h6z7wmrn]{border:1px dashed var(--line);max-width:66ch;color:var(--ink-2);flex-direction:column;gap:9px;padding:22px;display:flex}.empty[data-astro-cid-h6z7wmrn] code[data-astro-cid-h6z7wmrn]{align-self:flex-start;font-size:13px}.fine[data-astro-cid-h6z7wmrn]{color:var(--ink-3);font-size:13.5px}