.lesson-film{margin:40px 0}.lesson-film video{display:block;width:100%;height:auto;border-radius:22px;background:#f2efe7}.lesson-film figcaption{margin-top:14px}.lesson-chapters{display:block;margin:24px 0 48px;font-family:system-ui,sans-serif}.lesson-chapters ol{list-style:none;padding:0;display:grid;grid-template-columns:1fr 1fr;gap:8px}.lesson-chapters button{width:100%;text-align:left;padding:12px;border:1px solid #ccd0c7;border-radius:10px;background:transparent;color:#17221d;font:inherit;font-size:14px;line-height:1.7;cursor:pointer}.lesson-chapters button:hover{background:#e6e7de}.lesson-chapters button:focus-visible{outline:2px solid #547267;outline-offset:3px}.lesson-chapters button span{font-variant-numeric:tabular-nums;color:#5f6862}.prose .lesson-note{font-size:13px;line-height:1.7;color:#5f6862}@media(max-width:650px){.lesson-film video{border-radius:16px}.lesson-chapters ol{grid-template-columns:1fr}}