:root{font-family:Inter,"Noto Sans TC","Microsoft JhengHei",sans-serif;color:#253246;background:#f5f7fb}*{box-sizing:border-box}body{margin:0}.topbar{min-height:62px;background:#fff;border-bottom:1px solid #e3e9f0;display:flex;align-items:center;justify-content:space-between;padding:0 max(24px,calc((100vw - 1400px)/2));box-shadow:0 2px 12px #1b2d4610}.brand{font-weight:800;color:#2367b5;font-size:18px}.brand b{color:#26344a;margin-left:8px}.tag,.muted{color:#718095;font-size:14px}.shell{max-width:1400px;margin:auto;padding:32px 24px 70px}.hero{display:flex;justify-content:space-between;gap:24px;align-items:end;margin-bottom:28px}.eyebrow{font-size:11px;font-weight:800;letter-spacing:.14em;color:#3c79bd;margin:0 0 8px}.hero h1{font-size:clamp(27px,3vw,40px);line-height:1.25;margin:0 0 10px}.hero p:last-child{margin:0;color:#627389;line-height:1.65}.import,select{border:1px solid #d3deeb;border-radius:8px;background:white;color:#326eae;font:inherit;font-size:14px;font-weight:700}.import{padding:11px 15px;cursor:pointer;white-space:nowrap}.import input{display:none}.filters{background:#fff;border:1px solid #e1e9f2;border-radius:14px;padding:17px 18px;box-shadow:0 4px 18px #263b540c}.filter-row{display:flex;gap:12px;flex-wrap:wrap}.search{flex:1 1 280px}.search input,.filter-row select{width:100%;border:1px solid #cfdae7;border-radius:8px;background:#fff;color:#253246;font:inherit;padding:11px 12px}.filter-row select{width:auto;min-width:145px}.topics{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.topics button{border:1px solid #d6e2ed;border-radius:99px;background:#fff;color:#52677f;padding:8px 14px;font:inherit;font-size:14px;font-weight:700;cursor:pointer}.topics button[aria-pressed="true"]{background:#286eb8;border-color:#286eb8;color:#fff}.results-head{display:flex;justify-content:space-between;align-items:end;gap:12px;margin:27px 0 14px}.results-head h2{font-size:21px;margin:0}.results-head p{margin:0;color:#718095;font-size:13px}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}.card{background:#fff;border:1px solid #e1e9f2;border-radius:13px;overflow:hidden;box-shadow:0 4px 18px #263b540c;display:flex;flex-direction:column}.card:hover{border-color:#a7caeb;box-shadow:0 8px 24px #263b541c}.card-image{display:block;position:relative;aspect-ratio:16/9;background:#172236;overflow:hidden}.card-image img{width:100%;height:100%;object-fit:cover;display:block}.duration{position:absolute;right:10px;bottom:10px;background:#111c2ee8;color:#fff;border-radius:5px;padding:4px 7px;font-size:12px;font-weight:750}.card-body{padding:17px;display:flex;flex-direction:column;flex:1}.card-meta{color:#3572ad;font-size:12px;font-weight:750}.card h3{font-size:18px;line-height:1.45;margin:8px 0}.card h3 a{color:#253246;text-decoration:none}.card h3 a:hover{text-decoration:underline}.card-description{color:#65778c;font-size:14px;line-height:1.55;margin:0 0 15px}.card-bottom{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px}.progress{font-size:12px;color:#697e92}.start{display:inline-block;background:#286eb8;color:#fff;text-decoration:none;border-radius:7px;padding:9px 13px;font-size:13px;font-weight:750;white-space:nowrap}.start:hover{background:#19558f}.empty{background:#fff;border:1px dashed #cbd9e8;border-radius:12px;padding:38px 20px;text-align:center;color:#627389}.status{min-height:22px;color:#9a5d1c;font-size:13px;margin:12px 0 0}.visually-hidden{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:900px){.grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media(max-width:620px){.topbar{padding:12px 16px}.tag{display:none}.shell{padding:22px 14px 45px}.hero{align-items:start;flex-direction:column}.grid{grid-template-columns:1fr}.filter-row select{flex:1 1 145px}}