.doc[data-astro-cid-4v2gmabe]{display:grid;gap:1.75rem 1.5rem;grid-template-columns:1fr;max-width:56rem;margin-inline:auto}@media(min-width:860px){.doc[data-astro-cid-4v2gmabe]{grid-template-columns:1fr 1fr}}.paper[data-astro-cid-4v2gmabe]{position:relative;display:flex;flex-direction:column;gap:1.25rem;min-width:0;background:#fff;border:1px solid var(--line);border-radius:8px;padding:3.75rem clamp(1.25rem,3vw,2rem) clamp(1.25rem,3vw,2rem)}.paper[data-astro-cid-4v2gmabe] .paper-clip{top:-24px;left:18px;transform:rotate(-20deg);z-index:2}@media(max-width:639px){.paper[data-astro-cid-4v2gmabe]:before{transform:rotate(-.8deg) translate(4px,7px)}.paper[data-astro-cid-4v2gmabe]:after{transform:rotate(.6deg) translate(-3px,10px)}}.paper-head[data-astro-cid-4v2gmabe]{display:flex;flex-direction:column;gap:.1rem;padding-bottom:.9rem;border-bottom:1px solid var(--line)}.paper-title[data-astro-cid-4v2gmabe]{font-weight:600;font-size:.9rem}.paper-meta[data-astro-cid-4v2gmabe]{font-size:.75rem;color:var(--muted)}.paper-body[data-astro-cid-4v2gmabe]{display:flex;flex-direction:column;gap:1.4rem;flex:1}h3[data-astro-cid-4v2gmabe]{font-size:1rem;margin-bottom:.6rem}ol[data-astro-cid-4v2gmabe]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.55rem}li[data-astro-cid-4v2gmabe]{display:grid;grid-template-columns:2.25rem 1fr;gap:.5rem;font-size:.9rem;line-height:1.5}.cid[data-astro-cid-4v2gmabe]{color:var(--brand);font-weight:600;font-size:.8rem;padding-top:.08rem}.paper-foot[data-astro-cid-4v2gmabe]{text-align:end;font-size:.75rem;color:var(--muted)}.lesson[data-astro-cid-exjyk4gg]{max-width:40rem;margin-inline:auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:clamp(1.25rem,4vw,2.25rem)}h3[data-astro-cid-exjyk4gg]{font-size:clamp(1.4rem,3vw,1.75rem);margin-top:.4rem}.src[data-astro-cid-exjyk4gg]{margin-top:.35rem}.blocks[data-astro-cid-exjyk4gg]{display:flex;flex-direction:column;gap:1rem;margin-block:1.5rem}.text[data-astro-cid-exjyk4gg]{line-height:1.65}.ref[data-astro-cid-exjyk4gg]{display:inline-block;margin-inline-start:.35rem;padding:.1rem .6rem;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-size:.72rem;font-weight:600;white-space:nowrap;vertical-align:.1em}.callout[data-astro-cid-exjyk4gg]{background:#fff7e6;border:1px solid #f1d9a3;border-radius:16px;padding:1rem 1.15rem;line-height:1.6}.callout-title[data-astro-cid-exjyk4gg]{font-weight:700;color:#8a5a00;margin-bottom:.25rem}.practice[data-astro-cid-exjyk4gg]{border-top:1px solid var(--line);padding-top:1.5rem;display:flex;flex-direction:column;gap:.75rem}.plabel[data-astro-cid-exjyk4gg]{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.q[data-astro-cid-exjyk4gg]{font-weight:600}ul[data-astro-cid-exjyk4gg]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.5rem}li[data-astro-cid-exjyk4gg]{display:flex;align-items:center;gap:.65rem;padding:.7rem .9rem;border:1px solid var(--line);border-radius:14px;font-size:.95rem}li[data-astro-cid-exjyk4gg].right{background:#e9f7ef;border-color:#bfe5cc;color:#1d6b3a}.mark[data-astro-cid-exjyk4gg]{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line)}li[data-astro-cid-exjyk4gg].right .mark[data-astro-cid-exjyk4gg]{border-color:#1d6b3a}.otext[data-astro-cid-exjyk4gg]{flex:1;min-width:0}.tag[data-astro-cid-exjyk4gg]{flex:none;font-size:.7rem;font-weight:700;padding:.1rem .55rem;border-radius:999px;background:#fff;color:#1d6b3a}.caption[data-astro-cid-exjyk4gg]{text-align:center;margin-top:1rem}@media(max-width:420px){li[data-astro-cid-exjyk4gg]{flex-wrap:wrap}}.grid[data-astro-cid-qfk4amgx]{display:grid;gap:1.25rem;grid-template-columns:1fr;max-width:62rem;margin-inline:auto;align-items:start}@media(min-width:860px){.grid[data-astro-cid-qfk4amgx]{grid-template-columns:1.3fr 1fr}}.card[data-astro-cid-qfk4amgx]{min-width:0;padding:clamp(1.25rem,3vw,2rem);display:flex;flex-direction:column;gap:1.25rem}.head[data-astro-cid-qfk4amgx]{font-weight:600;padding-bottom:.9rem;border-bottom:1px solid var(--line)}.question[data-astro-cid-qfk4amgx]{display:flex;flex-direction:column;gap:.6rem}.qn[data-astro-cid-qfk4amgx]{font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.qt[data-astro-cid-qfk4amgx]{font-weight:600}ul[data-astro-cid-qfk4amgx]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:.45rem}li[data-astro-cid-qfk4amgx]{display:flex;align-items:center;gap:.65rem;padding:.6rem .85rem;border:1px solid var(--line);border-radius:14px;font-size:.92rem}li[data-astro-cid-qfk4amgx].right{background:#e9f7ef;border-color:#bfe5cc;color:#1d6b3a}li[data-astro-cid-qfk4amgx].wrong{background:#fdecec;border-color:#f2c4c4;color:#a12020}.mark[data-astro-cid-qfk4amgx]{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:50%;border:1.5px solid var(--line)}li[data-astro-cid-qfk4amgx].right .mark[data-astro-cid-qfk4amgx]{border-color:#1d6b3a}li[data-astro-cid-qfk4amgx].wrong .mark[data-astro-cid-qfk4amgx]{border-color:#a12020}.otext[data-astro-cid-qfk4amgx]{flex:1;min-width:0}.tag[data-astro-cid-qfk4amgx]{flex:none;font-size:.7rem;font-weight:700;padding:.1rem .55rem;border-radius:999px;background:#fff}.tag[data-astro-cid-qfk4amgx].ok{color:#1d6b3a}.tag[data-astro-cid-qfk4amgx].bad{color:#a12020}@media(max-width:420px){li[data-astro-cid-qfk4amgx]{flex-wrap:wrap}}.more[data-astro-cid-qfk4amgx]{padding-top:.25rem}.result[data-astro-cid-qfk4amgx]{display:flex;flex-wrap:wrap;align-items:center;gap:.5rem .9rem;padding:1rem 1.15rem;border-radius:18px;background:var(--bg-soft)}.passed[data-astro-cid-qfk4amgx]{padding:.2rem .8rem;border-radius:999px;background:#e9f7ef;color:#1d6b3a;font-weight:700;font-size:.85rem}.score[data-astro-cid-qfk4amgx]{font-family:var(--font-display);font-size:2rem;font-weight:600;letter-spacing:-.03em;line-height:1}.detail[data-astro-cid-qfk4amgx]{flex-basis:100%}@media(min-width:520px){.detail[data-astro-cid-qfk4amgx]{flex-basis:auto}}blockquote[data-astro-cid-qfk4amgx]{margin:0;padding:1.1rem 1.25rem;border:1px solid var(--line);border-inline-start:3px solid var(--brand);border-radius:14px;background:var(--bg-soft);line-height:1.6}.signed[data-astro-cid-qfk4amgx]{display:flex;align-items:center;gap:.9rem}.box[data-astro-cid-qfk4amgx]{flex:none;display:grid;place-items:center;width:22px;height:22px;border-radius:6px;background:var(--brand);color:#fff}.by[data-astro-cid-qfk4amgx]{font-weight:600}.note[data-astro-cid-qfk4amgx]{padding-top:1rem;border-top:1px solid var(--line)}.wrapper[data-astro-cid-6r5bbndd]{max-width:62rem;margin-inline:auto}.card[data-astro-cid-6r5bbndd]{padding:0}.scroll[data-astro-cid-6r5bbndd]{overflow-x:auto}table[data-astro-cid-6r5bbndd]{width:100%;min-width:52rem;border-collapse:collapse;font-size:.9rem}th[data-astro-cid-6r5bbndd]{text-align:start;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:.9rem 1rem;background:var(--bg-soft);border-bottom:1px solid var(--line)}td[data-astro-cid-6r5bbndd]{padding:1rem;vertical-align:top;line-height:1.45}.strong[data-astro-cid-6r5bbndd]{font-weight:600}.block[data-astro-cid-6r5bbndd]{display:block;margin-top:.15rem}.exports[data-astro-cid-6r5bbndd]{display:flex;flex-wrap:wrap;gap:.75rem;margin-top:1.25rem}.caption[data-astro-cid-6r5bbndd]{margin-top:1rem}@media(max-width:639px){table[data-astro-cid-6r5bbndd],tbody[data-astro-cid-6r5bbndd],tr[data-astro-cid-6r5bbndd],td[data-astro-cid-6r5bbndd]{display:block;min-width:0;width:100%}thead[data-astro-cid-6r5bbndd]{display:none}tbody[data-astro-cid-6r5bbndd] tr[data-astro-cid-6r5bbndd]{padding:.9rem 1rem}tbody[data-astro-cid-6r5bbndd] tr[data-astro-cid-6r5bbndd]+tr[data-astro-cid-6r5bbndd]{border-top:1px solid var(--line)}td[data-astro-cid-6r5bbndd]{padding:.35rem 0;border:0!important}td[data-astro-cid-6r5bbndd][data-label]{display:grid;grid-template-columns:7.5rem minmax(0,1fr);gap:.75rem;align-items:baseline}td[data-astro-cid-6r5bbndd][data-label]:before{content:attr(data-label);font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}td[data-astro-cid-6r5bbndd]:not([data-label]){padding-bottom:.5rem}}.steps[data-astro-cid-nwiw4l5k]{list-style:none;margin:0 0 2rem;padding:0;display:grid;gap:1rem;grid-template-columns:1fr}@media(min-width:860px){.steps[data-astro-cid-nwiw4l5k]{grid-template-columns:repeat(4,1fr);gap:1.25rem}}.step[data-astro-cid-nwiw4l5k]{display:flex;flex-direction:column;gap:.6rem;min-width:0;padding:1.5rem;background:var(--bg-soft);border-radius:var(--r-card)}.num[data-astro-cid-nwiw4l5k]{display:grid;place-items:center;width:36px;height:36px;border-radius:50%;background:var(--ink);color:#fff;font-weight:600;font-size:.9rem;margin-bottom:.4rem}h3[data-astro-cid-nwiw4l5k]{font-size:1.125rem}.step[data-astro-cid-nwiw4l5k] p[data-astro-cid-nwiw4l5k]{color:var(--muted);font-size:.92rem;line-height:1.55}.choices[data-astro-cid-nwiw4l5k]{list-style:none;margin:.5rem 0 0;padding:.75rem;background:#fff;border:1px solid var(--line);border-radius:14px;display:flex;flex-direction:column;gap:.4rem}.choices[data-astro-cid-nwiw4l5k] li[data-astro-cid-nwiw4l5k]{display:flex;align-items:center;gap:.55rem;font-size:.85rem;color:var(--muted)}.choices[data-astro-cid-nwiw4l5k] li[data-astro-cid-nwiw4l5k].on{color:var(--ink);font-weight:600}.radio[data-astro-cid-nwiw4l5k]{flex:none;width:16px;height:16px;border-radius:50%;border:1.5px solid var(--line);background:#fff}.on[data-astro-cid-nwiw4l5k] .radio[data-astro-cid-nwiw4l5k]{border-color:var(--brand);background:radial-gradient(circle,var(--brand) 0 45%,#fff 50%)}.card[data-astro-cid-nwiw4l5k]{padding:0;overflow-x:auto;max-width:62rem;margin-inline:auto}table[data-astro-cid-nwiw4l5k]{width:100%;min-width:40rem;border-collapse:collapse;font-size:.9rem}th[data-astro-cid-nwiw4l5k]{text-align:start;font-size:.75rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted);padding:.9rem 1rem;background:var(--bg-soft);border-bottom:1px solid var(--line)}tbody[data-astro-cid-nwiw4l5k] tr[data-astro-cid-nwiw4l5k]+tr[data-astro-cid-nwiw4l5k] td[data-astro-cid-nwiw4l5k]{border-top:1px solid var(--line)}td[data-astro-cid-nwiw4l5k]{padding:1rem;vertical-align:middle}.strong[data-astro-cid-nwiw4l5k]{font-weight:600}th[data-astro-cid-nwiw4l5k]{position:relative}.sr[data-astro-cid-nwiw4l5k]{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.tag[data-astro-cid-nwiw4l5k]{display:inline-block;padding:.15rem .7rem;border-radius:999px;font-size:.75rem;font-weight:600;white-space:nowrap}.tag[data-astro-cid-nwiw4l5k].new{background:var(--brand-soft);color:var(--brand)}.tag[data-astro-cid-nwiw4l5k].same{background:#eceef2;color:var(--muted)}.point[data-astro-cid-nwiw4l5k]{max-width:40rem;margin:2rem auto 0;color:var(--ink);text-align:center}@media(max-width:639px){table[data-astro-cid-nwiw4l5k],tbody[data-astro-cid-nwiw4l5k],tr[data-astro-cid-nwiw4l5k],td[data-astro-cid-nwiw4l5k]{display:block;min-width:0;width:100%}thead[data-astro-cid-nwiw4l5k]{display:none}tbody[data-astro-cid-nwiw4l5k] tr[data-astro-cid-nwiw4l5k]{padding:.9rem 1rem}tbody[data-astro-cid-nwiw4l5k] tr[data-astro-cid-nwiw4l5k]+tr[data-astro-cid-nwiw4l5k]{border-top:1px solid var(--line)}td[data-astro-cid-nwiw4l5k]{padding:.35rem 0;border:0!important}td[data-astro-cid-nwiw4l5k][data-label]{display:grid;grid-template-columns:7.5rem minmax(0,1fr);gap:.75rem;align-items:baseline}td[data-astro-cid-nwiw4l5k][data-label]:before{content:attr(data-label);font-size:.72rem;font-weight:600;letter-spacing:.06em;text-transform:uppercase;color:var(--muted)}.tag[data-astro-cid-nwiw4l5k]{justify-self:start}td[data-astro-cid-nwiw4l5k]:not([data-label]){padding-bottom:.5rem}}.chat[data-astro-cid-qpq4udyy]{max-width:36rem;margin-inline:auto;display:flex;flex-direction:column;gap:.9rem;padding:clamp(1rem,3vw,1.5rem);background:#fff;border:1px solid var(--line);border-radius:var(--r-card)}.row[data-astro-cid-qpq4udyy]{display:flex}.row[data-astro-cid-qpq4udyy].me{justify-content:flex-end}.bubble[data-astro-cid-qpq4udyy]{max-width:88%;padding:.8rem 1rem;line-height:1.55;font-size:.95rem}.mine[data-astro-cid-qpq4udyy]{background:var(--brand-soft);color:var(--brand-deep);border-radius:18px 18px 4px}.theirs[data-astro-cid-qpq4udyy]{background:#fff;border:1px solid var(--line);border-radius:18px 18px 18px 4px;display:flex;flex-direction:column;gap:.5rem}.cite[data-astro-cid-qpq4udyy]{display:flex;align-items:flex-start;gap:.4rem}.cite[data-astro-cid-qpq4udyy] svg{flex:none;margin-top:.2rem}.about[data-astro-cid-pvzmpehq]{list-style:none;margin:0 auto;padding:0;max-width:44rem;display:flex;flex-direction:column;gap:1.1rem}li[data-astro-cid-pvzmpehq]{display:flex;gap:.9rem;align-items:flex-start;line-height:1.6;color:var(--muted)}.tick[data-astro-cid-pvzmpehq]{flex:none;display:grid;place-items:center;width:24px;height:24px;margin-top:.1rem;border-radius:50%;background:var(--brand-soft);color:var(--brand)}.notice[data-astro-cid-5w3lc6bc]{margin:0;padding:.4rem 1rem;border:1px solid var(--line);border-radius:999px;color:var(--muted);font-size:.85rem;line-height:1.45;text-align:center;max-width:46rem;background:#ffffffb3}