.ac-list{flex-direction:column;gap:16px;max-width:900px;margin:30px auto 0;padding-bottom:70px;display:flex}.ac-course{background:var(--ix-surface);border:1px solid var(--ix-border);border-radius:16px;overflow:hidden}.ac-chead{padding:22px 24px 6px}.ac-cnum{font-family:var(--ix-mono);color:var(--ix-accent);letter-spacing:.06em;text-transform:uppercase;font-size:.78rem;font-weight:700}.ac-chead h2{margin:8px 0 6px;font-size:1.25rem;font-weight:600}.ac-chead p{color:var(--ix-muted);font-size:.92rem;line-height:1.5}.ac-lessons{flex-direction:column;padding:10px 12px 14px;display:flex}.ac-lesson{color:var(--ix-text);border-radius:10px;align-items:baseline;gap:12px;padding:11px 12px;font-size:.96rem;transition:all .15s;display:flex}.ac-lesson:hover{background:var(--ix-card);color:var(--ix-accent)}.ac-ln{color:var(--ix-muted-2);min-width:38px;font-size:.8rem;font-weight:600}