.lesson-film{margin:1.7rem 0 2rem;border:1px solid #cfdded;border-radius:8px;background:#fff;overflow:hidden;box-shadow:0 7px 24px #214e7d08}.lesson-film .film-heading{display:flex;align-items:center;gap:1rem;justify-content:space-between;padding:.7rem 1rem;color:#315d90;background:#f5f9ff;border-bottom:1px solid #dfE8f4;font-size:13px;line-height:1.6}.film-heading span:last-child{white-space:nowrap;color:#657c98}.lesson-film video{display:block;width:100%;height:auto;aspect-ratio:16/9;background:white}.lesson-film video:focus-visible{outline:3px solid #2b67d9;outline-offset:-3px}.lesson-film figcaption{padding:.8rem 1rem .65rem;color:#35536f;font-size:14px;line-height:1.8}.film-toolbar{display:flex;gap:.5rem;align-items:center;padding:.65rem 1rem .8rem;flex-wrap:wrap;font-size:12px;color:#607996}.film-toolbar button{appearance:none;font:inherit;border:1px solid #bfd0e7;background:#fff;color:#315d90;border-radius:4px;padding:.3rem .75rem;min-width:3.3rem;min-height:34px;cursor:pointer}.film-toolbar button[aria-pressed=true]{background:#2b67d9;border-color:#2b67d9;color:white}.film-toolbar button:hover{border-color:#2b67d9}.film-toolbar button:focus-visible{outline:3px solid #8eb5ed;outline-offset:2px}.film-intro{font-size:14px!important;color:#60758d;border-left:2px solid #91b7e4;padding-left:1rem;margin:1.4rem 0 0}.film-toolbar .film-help{margin-left:auto;font-size:11px}@media(max-width:520px){.lesson-film .film-heading{padding:.65rem .7rem;font-size:12px}.lesson-film figcaption{padding:.7rem;font-size:13px}.film-toolbar{padding:.5rem .7rem .7rem}.film-toolbar .film-help{flex-basis:100%;margin-left:0}}@media print{.lesson-film video,.film-toolbar{display:none}.lesson-film{box-shadow:none;break-inside:avoid}.film-intro{display:none}}
.film-toolbar .film-toggle{min-width:7.5rem;border-color:#2b67d9;color:#214f9c;font-weight:600}.film-toolbar button:disabled{cursor:wait;opacity:.65}.film-direct{display:block;padding:0 1rem 1rem;font-size:12px}.film-toc{font-size:15px}.web-video-section{margin-top:3rem}.web-video-section h2{margin-top:1.5rem}.lesson-film[data-film-state=error]{border-color:#ae5c40}