.campus-video-lesson{padding-block:2.5rem;border-block:1px solid var(--line,#d4e1e8)}.campus-video-lesson .cv-heading{max-width:58rem;margin-bottom:1.5rem}.campus-video-lesson h2{margin:.5rem 0 1rem}.campus-video-lesson .cv-layout{display:grid;grid-template-columns:minmax(0,1.65fr) minmax(17rem,1fr);gap:1.5rem;align-items:start}.campus-video-lesson .cv-player-column{min-width:0}.campus-video-lesson .cv-player{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:12px;background:#0b2d3e;color:#fff;border:1px solid #0b2d3e}.campus-video-lesson .cv-cover{height:100%;display:flex;flex-direction:column;justify-content:center;align-items:flex-start;padding:clamp(1rem,3vw,2.5rem);background:linear-gradient(130deg,#0b2d3e,#0c4858)}.campus-video-lesson .cv-cover-label{font-size:.8rem;letter-spacing:.08em;color:#b8e8eb}.campus-video-lesson .cv-cover-title{font-family:Source Sans 3,system-ui,sans-serif;font-size:clamp(1.25rem,2.35vw,2rem);line-height:1.15;font-weight:700;margin:1rem 0;color:#fff}.campus-video-lesson .cv-cover .button{background:#ff6b00;border-color:#ff6b00;color:#081c2a;min-height:44px}.campus-video-lesson iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.campus-video-lesson .cv-chapters{border:1px solid var(--line,#d4e1e8);border-radius:12px;overflow:hidden;background:#f5f9fb;min-width:0}.campus-video-lesson summary{padding:1rem;cursor:pointer;font-weight:700;min-height:44px}.campus-video-lesson summary span{display:block;font-size:.85rem;font-weight:400;color:#496172;margin-top:.2rem}.campus-video-lesson .cv-chapters ol{list-style:none;margin:0;padding:.3rem;max-height:31rem;overflow:auto;scrollbar-gutter:stable}.campus-video-lesson .cv-chapters li+li{border-top:1px solid #dce8ee}.campus-video-lesson .cv-chapters a{display:grid;grid-template-columns:3rem minmax(0,1fr);gap:.65rem;padding:.75rem .6rem;color:#153a49;text-decoration:none;font-size:.96rem;line-height:1.35;min-height:44px;border-radius:6px;overflow-wrap:anywhere}.campus-video-lesson .cv-time{font-variant-numeric:tabular-nums;color:#087c8c;font-weight:650}.campus-video-lesson .cv-chapters a:hover,.campus-video-lesson .cv-chapters a[aria-pressed=true]{background:#dceff1;color:#0b2d3e}.campus-video-lesson .cv-chapters a:focus-visible,.campus-video-lesson button:focus-visible{outline:3px solid #087c8c;outline-offset:2px}.campus-video-lesson .cv-status{min-height:1.5em;margin:.65rem 0 0}.campus-video-lesson .cv-player-note{color:#496172}.campus-video-lesson .cv-study-note{margin-top:1.5rem;padding:1.3rem;border-left:3px solid #ff6b00;background:#f5f9fb}.campus-video-lesson .cv-study-note h3{margin-top:0}@media(max-width:800px){.campus-video-lesson .cv-layout{grid-template-columns:1fr}.campus-video-lesson .cv-chapters ol{max-height:23rem}.campus-video-lesson .cv-cover-label{display:none}.campus-video-lesson .cv-cover{padding:.9rem}.campus-video-lesson .cv-cover-title{font-size:1.1rem;margin:.4rem 0}.campus-video-lesson .cv-cover .button{padding:.55rem .8rem}.campus-video-lesson{padding-block:1.5rem}}@media print{.campus-video-lesson .cv-player,.campus-video-lesson .cv-status{display:none}.campus-video-lesson .cv-layout{display:block}.campus-video-lesson .cv-chapters ol{max-height:none;overflow:visible}}