.video-header,.video-lesson{max-width:1120px;margin:0 auto;padding:24px}.video-header a{color:#18324a}.video-grid{max-width:1120px;margin:0 auto;padding:16px 24px 48px;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px}.video-card,.related-card{border:1px solid #d8e0e7;border-radius:16px;background:#fff;padding:20px;box-shadow:0 8px 30px rgba(24,50,74,.07)}.video-card h2{font-size:1.1rem;min-height:3em}.video-lesson video{display:block;width:100%;max-height:70vh;background:#111;border-radius:16px}.related-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:12px}.related-card{display:flex;flex-direction:column;gap:8px;text-decoration:none;color:inherit}@media(max-width:480px){.video-header,.video-lesson,.video-grid{padding-left:16px;padding-right:16px}.video-grid{grid-template-columns:1fr}.video-lesson video{border-radius:10px}}