.crumbs[data-astro-cid-mbvxwwmm]{font-size:13px;color:var(--muted);margin-bottom:14px;display:flex;gap:7px;flex-wrap:wrap;align-items:center}.crumbs[data-astro-cid-mbvxwwmm] a[data-astro-cid-mbvxwwmm]{color:var(--muted)}.crumbs[data-astro-cid-mbvxwwmm] a[data-astro-cid-mbvxwwmm]:hover{color:var(--green-ink)}.crumbs[data-astro-cid-mbvxwwmm] .here[data-astro-cid-mbvxwwmm]{color:var(--ink);font-weight:600}h1[data-astro-cid-mbvxwwmm]{font-size:clamp(26px,4vw,38px);font-weight:800;letter-spacing:-.02em;margin:8px 0 6px}.concept[data-astro-cid-mbvxwwmm]{font-family:Plus Jakarta Sans;font-weight:700;font-size:17px;margin-bottom:18px}.toc[data-astro-cid-mbvxwwmm]{display:flex;align-items:center;gap:8px;flex-wrap:wrap;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:9px 13px;margin:0 0 18px}.toc[data-astro-cid-mbvxwwmm] .tl[data-astro-cid-mbvxwwmm]{font-size:11px;font-weight:800;letter-spacing:.08em;text-transform:uppercase;color:var(--muted)}.toc[data-astro-cid-mbvxwwmm] a[data-astro-cid-mbvxwwmm]{font-size:13px;font-weight:600;color:var(--ink);background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:4px 12px}.toc[data-astro-cid-mbvxwwmm] a[data-astro-cid-mbvxwwmm]:hover{color:var(--green-ink);border-color:#16c78480;text-decoration:none}#learn[data-astro-cid-mbvxwwmm],#story[data-astro-cid-mbvxwwmm],#practice[data-astro-cid-mbvxwwmm]{scroll-margin-top:80px}.prose[data-astro-cid-mbvxwwmm]{font-size:16px}.prose[data-astro-cid-mbvxwwmm] p{margin:14px 0;color:var(--muted)}.prose[data-astro-cid-mbvxwwmm] strong{color:var(--ink)}.prose[data-astro-cid-mbvxwwmm] blockquote{border-left:3px solid var(--green);background:#16c78412;margin:18px 0;padding:11px 16px;border-radius:0 12px 12px 0;font-size:13.5px;color:var(--muted)}.modes[data-astro-cid-mbvxwwmm]{display:inline-flex;background:var(--surface-2);border:1px solid var(--line);border-radius:11px;padding:3px;margin:8px 0 18px}.modes[data-astro-cid-mbvxwwmm] button[data-astro-cid-mbvxwwmm]{font-family:inherit;font-weight:600;font-size:13px;color:var(--muted);background:transparent;border:0;padding:8px 15px;border-radius:9px;cursor:pointer}.modes[data-astro-cid-mbvxwwmm] button[data-astro-cid-mbvxwwmm][aria-selected=true]{background:var(--surface);color:var(--ink);box-shadow:var(--shadow)}.kp[data-astro-cid-mbvxwwmm]{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px}.kp[data-astro-cid-mbvxwwmm] li[data-astro-cid-mbvxwwmm]{display:grid;grid-template-columns:28px 1fr;gap:12px;align-items:start;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:13px 15px;box-shadow:var(--shadow)}.kp[data-astro-cid-mbvxwwmm] .n[data-astro-cid-mbvxwwmm]{width:28px;height:28px;border-radius:8px;background:#16c7841f;color:var(--green-ink);display:grid;place-items:center;font-family:Plus Jakarta Sans;font-weight:800;font-size:14px}.kp[data-astro-cid-mbvxwwmm] p[data-astro-cid-mbvxwwmm]{font-size:15px;line-height:1.5}.kp[data-astro-cid-mbvxwwmm] b[data-astro-cid-mbvxwwmm]{color:var(--ink);font-weight:700}.exbox[data-astro-cid-mbvxwwmm]{margin-top:14px;background:#16c7841a;border:1px solid rgba(22,199,132,.28);border-radius:12px;padding:14px 16px}.exbox[data-astro-cid-mbvxwwmm] .l[data-astro-cid-mbvxwwmm]{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;color:var(--green-ink)}.exbox[data-astro-cid-mbvxwwmm] p[data-astro-cid-mbvxwwmm]{font-size:14.5px;margin-top:5px}.story[data-astro-cid-mbvxwwmm]{display:flex;flex-direction:column}.beat[data-astro-cid-mbvxwwmm]{display:grid;grid-template-columns:34px 1fr;gap:14px}.beat[data-astro-cid-mbvxwwmm] .rail[data-astro-cid-mbvxwwmm]{display:flex;flex-direction:column;align-items:center}.beat[data-astro-cid-mbvxwwmm] .dot[data-astro-cid-mbvxwwmm]{width:34px;height:34px;border-radius:50%;background:var(--surface);border:2px solid var(--green);display:grid;place-items:center;font-size:17px;flex:none;box-shadow:var(--shadow)}.beat[data-astro-cid-mbvxwwmm] .line[data-astro-cid-mbvxwwmm]{width:2px;flex:1;background:linear-gradient(var(--green),rgba(22,199,132,.15));min-height:14px}.beat[data-astro-cid-mbvxwwmm]:last-child .line[data-astro-cid-mbvxwwmm]{display:none}.beat[data-astro-cid-mbvxwwmm] .txt[data-astro-cid-mbvxwwmm]{padding:2px 0 18px}.beat[data-astro-cid-mbvxwwmm] .txt[data-astro-cid-mbvxwwmm] p[data-astro-cid-mbvxwwmm]{font-size:15px;line-height:1.55}.beat[data-astro-cid-mbvxwwmm] .les[data-astro-cid-mbvxwwmm]{display:inline-block;margin-top:7px;font-size:11.5px;font-weight:700;color:var(--green-ink);background:#16c7841f;padding:3px 10px;border-radius:999px}.oneline[data-astro-cid-mbvxwwmm]{margin-top:8px;background:var(--ink);color:#eaf2f0;border-radius:14px;padding:15px 18px}.oneline[data-astro-cid-mbvxwwmm] .l[data-astro-cid-mbvxwwmm]{font-size:11px;font-weight:800;letter-spacing:.1em;text-transform:uppercase;opacity:.65}.oneline[data-astro-cid-mbvxwwmm] p[data-astro-cid-mbvxwwmm]{font-family:Plus Jakarta Sans;font-weight:700;font-size:16px;margin-top:5px;color:#fff}.practice[data-astro-cid-mbvxwwmm]{margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.ph[data-astro-cid-mbvxwwmm]{display:flex;align-items:center;justify-content:space-between}.ph[data-astro-cid-mbvxwwmm] h2[data-astro-cid-mbvxwwmm]{font-size:22px;font-weight:800}.streak[data-astro-cid-mbvxwwmm]{font-size:13px;font-weight:700;color:var(--green-ink);display:flex;align-items:center;gap:5px}.phelp[data-astro-cid-mbvxwwmm]{font-size:13px;color:var(--muted);margin:6px 0 14px}.kbd[data-astro-cid-mbvxwwmm]{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:11px;background:var(--surface-2);border:1px solid var(--line-strong);border-bottom-width:2px;border-radius:6px;padding:1px 6px;color:var(--ink)}.voice[data-astro-cid-mbvxwwmm]{display:flex;align-items:center;gap:14px;background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:12px 15px;box-shadow:var(--shadow);margin-bottom:16px}.mic[data-astro-cid-mbvxwwmm]{width:56px;height:56px;border-radius:50%;flex:none;border:0;cursor:pointer;background:var(--grad);color:#04241a;display:grid;place-items:center;box-shadow:0 12px 26px -12px #0fa36bd9}.mic[data-astro-cid-mbvxwwmm] svg[data-astro-cid-mbvxwwmm]{width:25px;height:25px}.mic[data-astro-cid-mbvxwwmm].live{animation:pulse 1.4s ease-out infinite}@keyframes pulse{0%{box-shadow:0 0 #16c78480}to{box-shadow:0 0 0 18px #16c78400}}.vtx[data-astro-cid-mbvxwwmm] .a[data-astro-cid-mbvxwwmm]{font-family:Plus Jakarta Sans;font-weight:700;font-size:14px}.vtx[data-astro-cid-mbvxwwmm] .b[data-astro-cid-mbvxwwmm]{font-size:12px;color:var(--muted);margin-top:2px}.q-card[data-astro-cid-mbvxwwmm]{background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:16px;box-shadow:var(--shadow);margin-bottom:14px}.q-card[data-astro-cid-mbvxwwmm] .q[data-astro-cid-mbvxwwmm]{font-family:Plus Jakarta Sans;font-weight:700;font-size:16px;line-height:1.35}.opts[data-astro-cid-mbvxwwmm]{display:flex;flex-direction:column;gap:9px;margin-top:13px}.opt[data-astro-cid-mbvxwwmm]{display:grid;grid-template-columns:30px 1fr;gap:11px;align-items:center;text-align:left;font-family:inherit;background:var(--surface-2);border:1.5px solid transparent;border-radius:12px;padding:12px 13px;cursor:pointer;font-size:14.5px;color:var(--ink)}.opt[data-astro-cid-mbvxwwmm]:hover{border-color:var(--line-strong)}.opt[data-astro-cid-mbvxwwmm] .key[data-astro-cid-mbvxwwmm]{width:30px;height:30px;border-radius:8px;background:var(--surface);border:1px solid var(--line);display:grid;place-items:center;font-weight:800;font-size:13px;color:var(--muted)}.opt[data-astro-cid-mbvxwwmm].correct{background:#16c7841f;border-color:var(--green)}.opt[data-astro-cid-mbvxwwmm].correct .key[data-astro-cid-mbvxwwmm]{background:var(--green);color:#04241a;border-color:transparent}.opt[data-astro-cid-mbvxwwmm].wrong{background:#d98a001f;border-color:#d98a00}.opt[data-astro-cid-mbvxwwmm].wrong .key[data-astro-cid-mbvxwwmm]{background:#d98a00;color:#241a04;border-color:transparent}.opt[data-astro-cid-mbvxwwmm]:disabled{cursor:default}.expl[data-astro-cid-mbvxwwmm]{display:none;margin-top:12px;background:var(--surface-2);border:1px solid var(--line);border-radius:12px;padding:12px 14px;font-size:13.5px;line-height:1.5}.expl[data-astro-cid-mbvxwwmm].show{display:block}.expl[data-astro-cid-mbvxwwmm] .verdict[data-astro-cid-mbvxwwmm]{color:var(--green-ink)}.expl[data-astro-cid-mbvxwwmm] .why[data-astro-cid-mbvxwwmm]{margin-top:7px;color:var(--muted)}.done-row[data-astro-cid-mbvxwwmm]{display:flex;align-items:center;gap:14px;flex-wrap:wrap;margin-top:6px}.saved[data-astro-cid-mbvxwwmm]{font-size:13px;font-weight:600;color:var(--green-ink)}.coach[data-astro-cid-mbvxwwmm]{margin-top:30px;padding-top:24px;border-top:1px solid var(--line)}.coach-head[data-astro-cid-mbvxwwmm]{display:flex;align-items:center;gap:10px}.coach-head[data-astro-cid-mbvxwwmm] h2[data-astro-cid-mbvxwwmm]{font-size:22px;font-weight:800}.coach-locked[data-astro-cid-mbvxwwmm] p[data-astro-cid-mbvxwwmm]{font-size:14px;color:var(--muted);margin-top:8px}.coach-locked[data-astro-cid-mbvxwwmm] a[data-astro-cid-mbvxwwmm]{color:var(--green-ink);font-weight:600}.coach-box[data-astro-cid-mbvxwwmm]{margin-top:12px}.coach-in[data-astro-cid-mbvxwwmm]{display:flex;gap:10px;align-items:flex-start}.coach-in[data-astro-cid-mbvxwwmm] textarea[data-astro-cid-mbvxwwmm]{flex:1;font-family:inherit;font-size:15px;padding:12px 14px;border:1px solid var(--line-strong);border-radius:12px;background:var(--bg);color:var(--ink);resize:vertical;min-height:46px}.coach-in[data-astro-cid-mbvxwwmm] textarea[data-astro-cid-mbvxwwmm]:focus{outline:2px solid var(--green-ink);outline-offset:1px}.coach-mic[data-astro-cid-mbvxwwmm]{flex:none;width:46px;height:46px;border-radius:12px;border:1px solid var(--line-strong);background:var(--surface);cursor:pointer;font-size:18px}.coach-mic[data-astro-cid-mbvxwwmm].live{border-color:var(--green);background:#16c7841f}#coachAsk[data-astro-cid-mbvxwwmm]{margin-top:10px}.coach-a[data-astro-cid-mbvxwwmm]{display:block;margin-top:14px;background:var(--surface);border:1px solid var(--line);border-left:3px solid var(--green);border-radius:0 12px 12px 0;padding:14px 16px;font-size:14.5px;line-height:1.6;white-space:pre-wrap}.coach-note[data-astro-cid-mbvxwwmm]{font-size:11.5px;color:var(--muted);margin-top:10px}.pager[data-astro-cid-mbvxwwmm]{display:grid;grid-template-columns:1fr 1fr;gap:14px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}.pg[data-astro-cid-mbvxwwmm]{display:flex;flex-direction:column;gap:4px;background:var(--surface);border:1px solid var(--line);border-radius:12px;padding:15px 16px;box-shadow:var(--shadow);color:var(--ink)}.pg[data-astro-cid-mbvxwwmm]:hover{border-color:#16c78480;text-decoration:none}.pg[data-astro-cid-mbvxwwmm].next{text-align:right;align-items:flex-end}.pgl[data-astro-cid-mbvxwwmm]{font-size:12.5px;font-weight:700;color:var(--green-ink)}.pgt[data-astro-cid-mbvxwwmm]{font-size:15px;font-weight:600}@media (max-width:560px){.pager[data-astro-cid-mbvxwwmm]{grid-template-columns:1fr}.pg[data-astro-cid-mbvxwwmm].next{text-align:left;align-items:flex-start}}.syl[data-astro-cid-mbvxwwmm] h2[data-astro-cid-mbvxwwmm]{margin-bottom:10px}.srow[data-astro-cid-mbvxwwmm]{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--ink);padding:8px 0;border-top:1px solid var(--line)}.srow[data-astro-cid-mbvxwwmm]:first-of-type{border-top:none}.srow[data-astro-cid-mbvxwwmm]:hover{color:var(--green-ink);text-decoration:none}.srow[data-astro-cid-mbvxwwmm] .so[data-astro-cid-mbvxwwmm]{width:22px;height:22px;border-radius:6px;background:var(--surface-2);color:var(--muted);display:grid;place-items:center;font-size:11px;font-weight:800;flex:none}.srow[data-astro-cid-mbvxwwmm].cur{color:var(--green-ink);font-weight:700}.srow[data-astro-cid-mbvxwwmm].cur .so[data-astro-cid-mbvxwwmm]{background:var(--grad);color:#04241a}.srow[data-astro-cid-mbvxwwmm].soon{color:var(--muted);opacity:.75}.allmap[data-astro-cid-mbvxwwmm]{display:block;margin-top:12px;font-size:13px;font-weight:600;color:var(--green-ink)}