.td-detail{max-width:1160px;margin:0 auto;padding:56px 22px 80px;color:#142844;font-family:"Malgun Gothic",sans-serif;line-height:1.7}.td-detail *{box-sizing:border-box}.td-detail a{color:#185bb3}.td-detail .eyebrow{font-size:13px;font-weight:700;letter-spacing:2px;color:#185bb3}.td-detail h1{font-size:38px;line-height:1.4;margin:15px 0}.td-detail h2{font-size:25px;line-height:1.45;margin:12px 0}.td-detail .lead{font-size:18px;color:#526579;max-width:780px}.td-detail .backlinks{display:flex;gap:20px;flex-wrap:wrap;margin:24px 0 35px}.td-detail .player{padding:28px;background:#f4f7fc;border:1px solid #dfe7f2;border-radius:18px;scroll-margin-top:30px}.td-detail video{width:100%;display:block;aspect-ratio:16/9;background:#fff;border-radius:10px;margin:20px 0}.td-detail .chapters{display:flex;gap:8px;flex-wrap:wrap;margin-top:16px}.td-detail button{font:inherit;cursor:pointer}.td-detail .chapters button{font-size:13px;padding:7px 11px;border:1px solid #ccd9ed;background:white;border-radius:8px;color:#164680}.td-detail button:hover,.td-detail a:hover{color:#f16b1a}.td-detail button:focus-visible,.td-detail a:focus-visible{outline:3px solid #ff8500;outline-offset:4px}.td-detail .tools{display:flex;gap:18px;flex-wrap:wrap;font-size:14px}.td-detail .grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;margin-top:24px}.td-detail .lesson{border:1px solid #d9e3f0;border-radius:14px;overflow:hidden;background:#fff}.td-detail .lesson[aria-current="true"]{border:2px solid #185bb3}.td-detail .lesson img{width:100%;height:auto;display:block;aspect-ratio:16/9}.td-detail .lesson-body{padding:20px}.td-detail .lesson h3{font-size:20px;line-height:1.5;margin:6px 0 10px}.td-detail .lesson p{color:#526579;font-size:15px;min-height:50px;margin-bottom:18px}.td-detail .watch{display:inline-block;background:#185bb3;color:white;border:0;border-radius:7px;text-decoration:none;padding:9px 18px}.td-detail .watch:hover{color:white;background:#0e417f}.td-detail .meta{font-size:13px;font-weight:700;color:#185bb3}.td-detail .library-title{margin-top:45px}.td-detail .notes{padding:22px;background:#f7f9fc;border-radius:12px;margin-top:30px;font-size:14px;color:#526579}.td-detail .transcripts{margin-top:30px}.td-detail details{border-top:1px solid #dce4ed;padding:16px 0}.td-detail summary{cursor:pointer;font-weight:700}.td-detail .script-scene{padding:12px 0}.td-detail .script-scene h4{font-size:16px;margin:0 0 8px}.td-detail .script-scene p{font-size:15px;margin:0;color:#526579}@media(max-width:700px){.td-detail{padding:30px 16px 50px}.td-detail h1{font-size:28px}.td-detail h2{font-size:21px}.td-detail .lead{font-size:16px}.td-detail .player{padding:16px}.td-detail .grid{grid-template-columns:1fr}.td-detail .lesson p{min-height:0}}

.td-detail .youtube-player{position:relative;aspect-ratio:16/9;margin:20px 0;background:#0b1728;border-radius:10px;overflow:hidden}.td-detail .youtube-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.td-detail .thumbnail{display:block;position:relative}.td-detail .play-icon{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:#e52323;color:white;padding:8px 21px;border-radius:12px;font-size:24px;line-height:1.2}.td-detail .video-duration{position:absolute;bottom:10px;right:10px;background:#142844;color:#fff;padding:2px 7px;border-radius:4px;font-size:12px}.td-detail .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.td-detail .lesson h3{font-size:18px}.td-detail .lesson p{min-height:76px}.td-detail .lesson-body{padding:18px}.td-detail .card-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;font-size:13px}.td-detail .chapters a{font-size:13px;padding:7px 11px;border:1px solid #ccd9ed;background:white;border-radius:8px;color:#164680;text-decoration:none}.td-detail .library-controls{display:flex;flex-direction:column;gap:16px;margin:20px 0}.td-detail .search-label{font-weight:700;display:flex;align-items:center;gap:12px}.td-detail input[type="search"]{height:44px;max-width:440px;width:100%;border:1px solid #bccbdf;border-radius:8px;padding:8px 12px;font:inherit}.td-detail .filters{display:flex;flex-wrap:wrap;gap:8px}.td-detail .filters button{padding:8px 16px;border:1px solid #ccd9ed;background:white;color:#164680;border-radius:24px}.td-detail .filters button[aria-pressed="true"]{background:#185bb3;color:white;border-color:#185bb3}.td-detail [hidden]{display:none!important}@media(max-width:960px){.td-detail .grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:700px){.td-detail .grid{grid-template-columns:1fr}.td-detail .lesson p{min-height:0}.td-detail .search-label{align-items:flex-start;flex-direction:column}.td-detail .filters button{padding:6px 12px;font-size:13px}}