.gn-catalog{--gn-ink:#172554;--gn-muted:#5b6b83;--gn-line:#d8e3f1;margin:8px 0 36px;min-width:0}.gn-catalog *{box-sizing:border-box}.gn-intro{color:#d5e5fa;font-size:17px;margin:0 4px 20px}.gn-subjects{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}.gn-subjects a{padding:10px 17px;border:1px solid #8da8cc66;border-radius:99px;color:#e4edff;font-size:14px;font-weight:800;min-height:44px}.gn-subjects a[aria-current]{background:#fcd34d;border-color:#fcd34d;color:#422b09}.gn-search{background:white;border:1px solid var(--gn-line);border-radius:20px;padding:20px;margin-bottom:22px}.gn-search-row{display:flex;gap:12px;align-items:end;flex-wrap:wrap}.gn-search label{display:grid;gap:7px;font-size:13px;font-weight:800;color:var(--gn-ink)}.gn-query{flex:1;min-width:220px}.gn-grade{width:150px}.gn-search input[type=search],.gn-search select{min-height:48px;width:100%;padding:10px 13px;background:#f8fbff;border:1px solid #b6c7dd;border-radius:10px;color:var(--gn-ink);font:inherit;font-size:16px}.gn-search .site-button{min-height:48px;min-width:100px}.gn-panel{padding:26px;background:#f8fbff;border:1px solid #dbe5f0;border-radius:22px;margin:20px 0;min-width:0}.gn-heading{display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;margin-bottom:20px}.gn-heading h2{font-size:28px;margin:0;line-height:1.25;overflow-wrap:anywhere}.gn-muted{font-size:13px;line-height:1.5;color:var(--gn-muted)}.gn-link{font-size:14px;font-weight:800;color:#3d46a5;display:inline-flex;align-items:center;min-height:44px}.gn-subject-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:15px}.gn-subject-card{display:flex;align-items:center;gap:18px;padding:24px;border:1px solid var(--gn-line);border-radius:17px;background:white;color:var(--gn-ink);min-width:0}.gn-subject-card>div{min-width:0;flex:1}.gn-subject-card h3{font-size:24px;margin:0 0 7px;overflow-wrap:anywhere}.gn-subject-card p{font-size:14px;color:var(--gn-muted);margin:0}.gn-subject-card:hover,.gn-section-card:hover{border-color:#8798d0;text-decoration:none;background:#f1f5ff}.gn-symbol{flex-shrink:0;display:grid;place-items:center;background:#e9efff;border-radius:15px;width:60px;height:60px;font-size:27px;font-weight:900;color:#3f4ab6}.gn-mini-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.gn-mini{display:grid;grid-template-columns:52px 1fr 12px;gap:9px;align-items:center;border:1px solid var(--gn-line);border-radius:13px;background:white;padding:12px;color:var(--gn-ink);font-size:13px;font-weight:800;min-width:0}.gn-mini img{border-radius:8px;width:52px;height:44px;object-fit:cover}.gn-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}.gn-section-card,.gn-topic-card{display:flex;flex-direction:column;padding:21px;border:1px solid var(--gn-line);border-radius:16px;background:white;color:var(--gn-ink);min-width:0;overflow-wrap:anywhere}.gn-kicker{font-size:11px;font-weight:800;color:#52678d;letter-spacing:.025em}.gn-section-card h3,.gn-topic-card h3{font-size:21px;line-height:1.35;margin:13px 0}.gn-topic-card h3 a{color:inherit}.gn-section-card p{font-size:13px;color:var(--gn-muted);margin:0 0 20px}.gn-section-card strong{font-size:14px;margin-top:auto;color:#424ba4}.gn-section-label{font-size:12px;color:var(--gn-muted);margin:7px 0 0;line-height:1.4}.gn-description{font-size:14px;color:var(--gn-muted);margin-bottom:20px}.gn-card-actions{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;padding-top:14px}.gn-card-actions .site-button{font-size:13px;padding:12px 15px}.gn-topic h2{font-size:30px;line-height:1.3;margin:10px 0 15px;max-width:850px}.gn-topic>p{max-width:800px;color:var(--gn-muted)}.gn-material{display:inline-flex;align-items:center;min-height:44px;padding:11px 16px;background:#e6edff;border:1px solid #c4d1f1;border-radius:10px;font-size:14px;font-weight:800;color:#313f96}.gn-subheading{font-size:20px!important;margin:26px 0 14px!important;letter-spacing:0}.gn-heading .gn-subheading{margin-bottom:0!important}.gn-levels{display:flex;gap:10px;flex-wrap:wrap}.gn-levels a{display:inline-flex;align-items:center;padding:11px 19px;border:1px solid #b4c4dd;border-radius:11px;color:var(--gn-ink);background:white;min-height:46px;font-size:14px;font-weight:800}.gn-levels a[aria-current]{background:#172554;border-color:#172554;color:white}.gn-level-help{font-size:13px;margin:12px 0 0!important}.gn-play-card{overflow:hidden;border:1px solid var(--gn-line);border-radius:16px;background:white;display:flex;flex-direction:column;min-width:0}.gn-play-card>img{width:100%;height:140px;object-fit:cover;background:#d9effa}.gn-play-card>div{padding:20px;display:flex;flex-direction:column;flex:1;gap:12px}.gn-play-card h3{font-size:21px;line-height:1.3;margin:0}.gn-play-card p{font-size:14px;color:var(--gn-muted);margin:0}.gn-play-card .site-button{margin-top:auto;min-height:46px}.gn-active{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.gn-active a{display:inline-flex;gap:12px;align-items:center;min-height:44px;font-size:12px;background:#edf2fc;color:#354683;border-radius:9px;padding:8px 12px}.gn-breadcrumbs{display:flex;flex-wrap:wrap;gap:10px;font-size:13px;color:#cbdbf2;margin:18px 3px}.gn-breadcrumbs a{color:#d5e7ff;min-height:44px;display:inline-flex;align-items:center}.gn-breadcrumbs>span{display:inline-flex;align-items:center;min-height:44px}.gn-pagination{display:flex;justify-content:center;align-items:center;gap:7px;flex-wrap:wrap;margin:23px 0 0}.gn-pagination a,.gn-pagination>span{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;padding:8px 12px;border:1px solid #809abd;border-radius:10px;color:white;font-size:14px;font-weight:800}.gn-pagination a[aria-current]{background:#fcd34d;border-color:#fcd34d;color:#422b09}.gn-page-note{font-size:12px;text-align:center;color:#cfddf2;margin:12px 0}.gn-empty{padding:28px 10px;text-align:center}.gn-empty h3{font-size:23px}.gn-empty p{color:var(--gn-muted)}.gn-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}.gn-catalog a:focus-visible,.gn-catalog button:focus-visible,.gn-catalog input:focus-visible,.gn-catalog select:focus-visible{outline:3px solid #e9a516;outline-offset:4px}
@media(max-width:1050px){.gn-mini-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gn-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.gn-subject-card{padding:20px}.gn-subject-card h3{font-size:21px}}
@media(max-width:650px){.gn-panel{padding:20px 16px;border-radius:18px}.gn-heading h2,.gn-topic h2{font-size:25px}.gn-subject-grid,.gn-grid{grid-template-columns:1fr}.gn-query{min-width:100%}.gn-grade{flex:1;width:auto;min-width:140px}.gn-search{padding:16px}.gn-mini-grid{grid-template-columns:1fr}.gn-mini{grid-template-columns:60px 1fr 14px;min-height:68px}.gn-mini img{width:60px;height:44px}.gn-subject-card{padding:20px 16px;gap:12px}.gn-symbol{width:50px;height:50px;font-size:23px}.gn-subjects a{padding:9px 13px;font-size:13px}.gn-levels{display:grid;grid-template-columns:1fr;gap:8px}.gn-levels a{justify-content:center}.gn-play-card>img{height:130px}.gn-card-actions{gap:8px}.gn-active a{max-width:100%;overflow-wrap:anywhere}.gn-breadcrumbs{gap:7px}.gn-pagination{gap:5px}}