.cbar{display:flex;align-items:center;gap:1rem;padding:1rem 1.3rem;border-radius:var(--r-lg);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .16s,border-color .16s}.cbar:hover{transform:translateY(-2px);border-color:var(--green)}.cbar-continue{background:var(--green-soft);border-color:transparent}.cbar-text{display:grid;grid-template-columns:1fr;gap:.25rem;flex:1;min-width:0}.cbar-k{font-size:.72rem;font-weight:700;text-transform:uppercase;letter-spacing:.06em;color:var(--green-deep)}.cbar-main{font-family:var(--font-display);font-weight:700;font-size:1.1rem;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.cbar-prog{display:block;height:7px;border-radius:999px;background:#00000014;overflow:hidden;margin-top:.2rem}.cbar-fill{display:block;height:100%;background:var(--green);border-radius:999px}.cbar-count{font-size:.78rem;font-weight:600;color:var(--ink-dim)}.cbar-go{flex:none;font-weight:700;font-size:.9rem;color:var(--green-deep);white-space:nowrap}.cbar-discover .cbar-main,.cbar-done .cbar-main{font-family:var(--font-display);font-weight:700;color:var(--ink);flex:1}.cbar-discover .cbar-k,.cbar-done .cbar-k{flex:none}.learn-main[data-astro-cid-we6un2hb]{position:relative;z-index:2;max-width:800px;padding-block:clamp(2rem,5vw,3.5rem) 5rem}.learn-head[data-astro-cid-we6un2hb]{text-align:center;margin-bottom:2rem}.learn-head[data-astro-cid-we6un2hb] h1[data-astro-cid-we6un2hb]{font-size:clamp(2rem,5vw,3rem);color:var(--ink)}.track-section[data-astro-cid-we6un2hb]{margin-top:1.2rem;background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--shadow-soft);overflow:hidden}.subject-head[data-astro-cid-we6un2hb]{display:flex;align-items:center;gap:1rem;width:100%;text-align:left;padding:1.2rem 1.4rem;background:none;border:none;cursor:pointer;color:var(--ink)}.subject-head[data-astro-cid-we6un2hb]:hover{background:var(--bg-2)}.sh-main[data-astro-cid-we6un2hb]{display:flex;flex-direction:column;gap:.15rem;flex:1;min-width:0}.sh-title[data-astro-cid-we6un2hb]{font-family:var(--font-display);font-weight:700;font-size:1.3rem;color:var(--ink)}.sh-blurb[data-astro-cid-we6un2hb]{font-size:.88rem;color:var(--ink-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.sh-meta[data-astro-cid-we6un2hb]{display:flex;flex-direction:column;align-items:flex-end;gap:.4rem;flex:none;width:110px}.sh-count[data-astro-cid-we6un2hb]{font-weight:600;font-size:.82rem;color:var(--muted)}.sh-count[data-astro-cid-we6un2hb] b[data-astro-cid-we6un2hb]{font-family:var(--font-display);color:var(--green-deep)}.sh-bar[data-astro-cid-we6un2hb]{width:100%;height:7px;border-radius:999px;background:var(--green-soft);overflow:hidden}.sh-fill[data-astro-cid-we6un2hb]{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--green),var(--green-deep));transition:width .5s cubic-bezier(.16,1,.3,1)}.sh-chevron[data-astro-cid-we6un2hb]{flex:none;color:var(--muted);transition:transform .25s}.track-section[data-astro-cid-we6un2hb].is-open .sh-chevron[data-astro-cid-we6un2hb]{transform:rotate(180deg)}.subject-body[data-astro-cid-we6un2hb]{padding:0 1.4rem 1.4rem}@media(prefers-reduced-motion:reduce){.sh-chevron[data-astro-cid-we6un2hb],.sh-fill[data-astro-cid-we6un2hb]{transition:none}}.lede[data-astro-cid-we6un2hb]{margin:.9rem auto 0;max-width:36rem;color:var(--ink-dim);font-size:1.08rem}.progress-panel[data-astro-cid-we6un2hb]{background:var(--surface);border:1px solid var(--line);border-radius:var(--r-lg);padding:1.4rem 1.5rem;box-shadow:var(--shadow-soft);margin-bottom:2.5rem}.pp-bar[data-astro-cid-we6un2hb]{height:12px;border-radius:999px;background:var(--green-soft);overflow:hidden}.pp-bar[data-astro-cid-we6un2hb] span[data-astro-cid-we6un2hb]{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--green),var(--green-deep));transition:width .6s cubic-bezier(.16,1,.3,1)}.pp-stats[data-astro-cid-we6un2hb]{display:flex;flex-wrap:wrap;gap:1.8rem;margin-top:1.2rem}.pp-stats[data-astro-cid-we6un2hb] div[data-astro-cid-we6un2hb]{display:flex;flex-direction:column}.pp-stats[data-astro-cid-we6un2hb] b[data-astro-cid-we6un2hb]{font-family:var(--font-display);font-size:1.6rem;color:var(--ink);line-height:1}.pp-stats[data-astro-cid-we6un2hb] span[data-astro-cid-we6un2hb]{font-size:.76rem;color:var(--muted);font-weight:600;margin-top:.3rem}.track-block[data-astro-cid-we6un2hb]{margin-top:1.4rem}.tb-head[data-astro-cid-we6un2hb]{display:flex;align-items:center;gap:.8rem;margin-bottom:1rem}.tb-count[data-astro-cid-we6un2hb]{font-weight:600;font-size:.82rem;color:var(--muted)}.lesson-list[data-astro-cid-we6un2hb]{list-style:none;display:flex;flex-direction:column;gap:.7rem}.lesson-row[data-astro-cid-we6un2hb]{display:flex;align-items:center;gap:1rem;padding:1rem 1.2rem;border-radius:var(--r-md);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-soft);transition:transform .16s,box-shadow .16s}.lesson-row[data-astro-cid-we6un2hb]:hover{transform:translate(4px);box-shadow:var(--shadow-lift)}.lr-tick[data-astro-cid-we6un2hb]{flex:none;display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:var(--bg-2);color:transparent;border:1px solid var(--line)}.lesson-row[data-astro-cid-we6un2hb].is-done .lr-tick[data-astro-cid-we6un2hb]{background:var(--green);color:#fff;border-color:var(--green)}.lr-body[data-astro-cid-we6un2hb]{display:flex;flex-direction:column;gap:.15rem;flex:1;min-width:0}.lr-title[data-astro-cid-we6un2hb]{font-family:var(--font-display);font-weight:600;color:var(--ink)}.lr-desc[data-astro-cid-we6un2hb]{font-size:.88rem;color:var(--ink-dim);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.lr-xp[data-astro-cid-we6un2hb]{flex:none;font-weight:700;font-size:.82rem;color:var(--green-deep)}.lesson-row[data-astro-cid-we6un2hb].is-done .lr-title[data-astro-cid-we6un2hb]{color:var(--ink-dim)}.tb-exam[data-astro-cid-we6un2hb]{margin-left:auto;font-weight:700;font-size:.85rem;color:var(--green-deep);background:var(--green-soft);padding:.4rem .9rem;border-radius:999px;transition:transform .15s,background .15s}.tb-exam[data-astro-cid-we6un2hb]:hover{transform:translateY(-2px);background:#d6f1e1}.coming-soon[data-astro-cid-we6un2hb]{text-align:center;color:var(--muted);font-size:.95rem;margin-top:1.4rem}@media(max-width:460px){.lr-desc[data-astro-cid-we6un2hb]{display:none}.pp-stats[data-astro-cid-we6un2hb]{gap:1.2rem}.sh-blurb[data-astro-cid-we6un2hb]{display:none}.sh-meta[data-astro-cid-we6un2hb]{width:84px}}