.th-academy{align-items:start;display:grid;gap:28px;grid-template-columns:320px 1fr}.th-academy__side{border:1px solid var(--line,#e2ecec);border-radius:14px;box-shadow:var(--shadow,0 6px 24px rgba(4,47,53,.08));max-height:calc(100vh - 32px);overflow:auto;padding:16px;top:16px}.th-academy__side,.th-side__head{background:var(--surface,#fff);position:sticky}.th-side__head{margin-bottom:4px;padding-bottom:12px;top:0;z-index:1}.th-side__title{color:var(--ink-strong,#042f35);font-size:1.05rem;margin:0 0 10px}.th-side__filter{border:1px solid var(--line,#e2ecec);border-radius:9px;color:var(--ink,#1a2e31);font:inherit;padding:9px 12px;width:100%}.th-side__filter:focus{outline:2px solid var(--brand-primary,#3ab6ad);outline-offset:1px}.th-side__group{margin-top:16px}.th-side__cat{color:var(--muted,#5f7174);font-size:.72rem;letter-spacing:.08em;margin:0 0 6px;text-transform:uppercase}.th-side__list{list-style:none;margin:0;padding:0}.th-side__link{border-left:3px solid transparent;border-radius:8px;color:var(--ink,#1a2e31);display:block;font-size:.95rem;line-height:1.35;padding:8px 12px;text-decoration:none}.th-side__link:hover{background:var(--surface-alt,#f3f7f7)}.th-side__link.is-active{background:var(--brand-tint,#c8ece7);border-left-color:var(--brand-primary,#3ab6ad);color:var(--ink-strong,#042f35);font-weight:700}.th-academy__heading{font-size:clamp(1.5rem,3vw,2.2rem);margin:0 0 6px}.th-academy__intro{color:var(--muted,#5f7174);margin:0 0 18px}.th-viewer{background:#000;border-radius:14px;box-shadow:var(--shadow,0 6px 24px rgba(4,47,53,.08));height:78vh;min-height:520px;overflow:hidden;width:100%}.th-viewer iframe{border:0;display:block;height:100%;width:100%}@media (max-width:860px){.th-academy{grid-template-columns:1fr}.th-academy__side{max-height:none;position:static}.th-viewer{height:70vh;min-height:440px}}