.video-library-intro{max-width:820px}.video-library-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;align-items:start}.video-card{background:#fff;border:1px solid rgba(23,56,61,.12);border-radius:18px;padding:16px;box-shadow:0 12px 34px rgba(23,56,61,.06)}.video-card h3{margin:.9rem 0 .45rem;font-size:1.08rem;line-height:1.3}.video-card p{margin:.35rem 0;color:#536b6f;line-height:1.55}.video-card .video-meta{display:block;margin-top:.75rem;font-size:.82rem;color:#718689}.video-topic-head{margin:2.5rem 0 1rem}.video-topic-head:first-child{margin-top:0}.video-lite{position:relative;width:100%;overflow:hidden;border-radius:14px;background:#0b1f23}.video-lite--vertical{aspect-ratio:9/16;max-width:430px;margin-inline:auto}.video-lite-button{position:absolute;inset:0;width:100%;height:100%;padding:0;border:0;background:#0b1f23;cursor:pointer}.video-lite img{display:block;width:100%;height:100%;object-fit:cover}.video-lite-overlay{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(180deg,rgba(0,0,0,.02),rgba(0,0,0,.22))}.video-lite-play{display:grid;place-items:center;width:64px;height:64px;border-radius:50%;background:rgba(255,255,255,.94);color:#17383d;font-size:1.7rem;line-height:1;box-shadow:0 8px 28px rgba(0,0,0,.25);transition:transform .18s ease}.video-lite-button:hover .video-lite-play,.video-lite-button:focus-visible .video-lite-play{transform:scale(1.06)}.video-lite-button:focus-visible{outline:3px solid #2a6b72;outline-offset:3px}.video-lite iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.video-explainer{display:grid;grid-template-columns:minmax(0,380px) minmax(0,1fr);gap:28px;align-items:start;margin:2rem 0;padding:20px;border:1px solid rgba(23,56,61,.12);border-radius:18px;background:#f7faf9}.video-explainer h3{margin-top:.2rem}.video-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:1rem}.video-note{font-size:.92rem;color:#536b6f}.video-hub-card{border:1px solid rgba(23,56,61,.12);background:#fff;border-radius:18px;padding:20px}.video-hub-card h2,.video-hub-card h3{margin-top:0}@media(max-width:920px){.video-library-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.video-explainer{grid-template-columns:1fr}.video-explainer .video-lite--vertical{max-width:390px}}@media(max-width:620px){.video-library-grid{grid-template-columns:1fr;gap:18px}.video-card{padding:14px}.video-lite--vertical{max-width:100%}.video-explainer{padding:14px;gap:18px}.video-lite-play{width:58px;height:58px;font-size:1.55rem}}