:root{--bh-bg: #0c1424;--bh-chrome: #111c33;--bh-tile: #16233d;--bh-fg: #eef2f8;--bh-dim: #8ea0bd;--bh-line: #24344f;--bh-lime: #a3e635;--bh-lime-ink: #0c1424;--bh-w: 1200px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--bh-bg);color:var(--bh-fg);font:15px/1.6 Optima,Gill Sans,Trebuchet MS,ui-sans-serif,sans-serif}a{color:var(--bh-lime)}h1,h2,h3{font-family:Optima,Gill Sans,Trebuchet MS,ui-sans-serif,sans-serif;font-weight:600;line-height:1.18}h1{font-size:1.95rem;margin:0 0 .4rem}h2{font-size:1.3rem}.bh-in{max-width:var(--bh-w);margin:0 auto;padding:0 1.1rem}.bh-head{background:var(--bh-chrome);border-bottom:2px solid var(--bh-lime)}.bh-head .bh-in{display:flex;align-items:center;justify-content:space-between;padding:.85rem 1.1rem}.bh-logo{font-weight:700;font-size:1.5rem;color:var(--bh-fg);text-decoration:none;letter-spacing:.01em}.bh-logo b{color:var(--bh-lime)}.bh-join{background:var(--bh-lime);color:var(--bh-lime-ink);font-weight:700;font-size:.82rem;padding:.5rem .95rem;border-radius:4px;text-decoration:none}.bh-main{max-width:var(--bh-w);margin:0 auto;padding:1.4rem 1.1rem 3rem}.bh-lede{color:var(--bh-dim);font-size:1.05rem}.bh-cloud{display:flex;flex-wrap:wrap;gap:.5rem;margin:1rem 0 1.75rem}.bh-cloud a{text-decoration:none;color:var(--bh-fg);background:var(--bh-tile);border:1px solid var(--bh-line);border-radius:6px;padding:.4rem .8rem;font-size:.9rem}.bh-cloud a:hover{border-color:var(--bh-lime);color:var(--bh-lime)}.bh-cloud a[data-size=lg]{font-size:1.15rem;font-weight:600}.bh-cloud a[data-size=md]{font-size:1rem}.bh-sectitle{display:flex;align-items:baseline;justify-content:space-between;gap:1rem;margin:1.5rem 0 .9rem}.bh-sectitle a{font-size:.85rem}.bh-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:.9rem}.bh-vcard{text-decoration:none;color:var(--bh-fg);display:block}.bh-thumb{position:relative;aspect-ratio:16 / 9;border-radius:6px;overflow:hidden;border:1px solid var(--bh-line);background:#000}.bh-thumb img{width:100%;height:100%;object-fit:cover;display:block}.bh-dur{position:absolute;right:6px;bottom:6px;background:#000000d9;color:#fff;font-size:.72rem;padding:.1rem .35rem;border-radius:3px}.bh-badge{position:absolute;left:6px;top:6px;background:var(--bh-lime);color:var(--bh-lime-ink);font-size:.65rem;font-weight:700;text-transform:uppercase;letter-spacing:.03em;padding:.12rem .4rem;border-radius:3px}.bh-vcard:hover .bh-thumb{border-color:var(--bh-lime)}.bh-vtitle{font-size:.92rem;margin:.5rem 0 .2rem;line-height:1.3}.bh-vmeta{color:var(--bh-dim);font-size:.78rem}.bh-player{position:relative;aspect-ratio:16 / 9;border-radius:8px;overflow:hidden;border:1px solid var(--bh-line);background:#000;display:grid;place-items:center}.bh-player img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;filter:brightness(.5)}.bh-play{position:relative;text-align:center;padding:1.5rem}.bh-play p{color:#dde;margin:0 0 .8rem}.bh-tags{display:flex;flex-wrap:wrap;gap:.35rem;margin:.75rem 0}.bh-tag{font-size:.72rem;color:var(--bh-dim);background:var(--bh-tile);border:1px solid var(--bh-line);border-radius:4px;padding:.2rem .55rem;text-decoration:none}.bh-tag:hover{border-color:var(--bh-lime);color:var(--bh-lime)}.bh-prose{max-width:720px}.bh-prose p,.bh-prose li{color:#c9d4e6}.bh-answer{border-left:3px solid var(--bh-lime);background:var(--bh-tile);padding:.9rem 1.1rem;border-radius:0 8px 8px 0;margin:1rem 0 1.5rem}.bh-faq details{border-top:1px solid var(--bh-line);padding:.7rem 0}.bh-faq summary{cursor:pointer;font-weight:600}.bh-btn{display:inline-block;background:var(--bh-lime);color:var(--bh-lime-ink);font-weight:700;text-decoration:none;padding:.7rem 1.3rem;border-radius:6px;border:none;cursor:pointer}.bh-btn:hover{filter:brightness(1.08)}.bh-foot{border-top:1px solid var(--bh-line);background:var(--bh-chrome);color:var(--bh-dim);font-size:.82rem;margin-top:2rem}.bh-foot .bh-in{padding:1.5rem 1.1rem;display:flex;flex-wrap:wrap;gap:.6rem 1.4rem;justify-content:space-between}.bh-foot a{color:var(--bh-dim);text-decoration:none}.bh-homehero{width:100%;aspect-ratio:24 / 9;object-fit:cover;border-radius:12px;margin:0 0 1.4rem;display:block}.bh-byline{font-size:.85rem;opacity:.75;margin:0 0 1.2rem;line-height:1.6}.bh-byline a{font-weight:600}.bh-authorgrid{display:grid;gap:1rem;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));margin:1.5rem 0}.bh-authorcard{border:1px solid currentColor;border-color:color-mix(in srgb,currentColor 18%,transparent);border-radius:10px;padding:1rem 1.1rem}.bh-authorcard h2{margin:0 0 .2rem;font-size:1.05rem}.bh-authorrole{font-size:.85rem;opacity:.7;margin:0 0 .5rem}.bh-authormeta{font-size:.85rem;opacity:.75;margin:.4rem 0}.bh-authorlist{line-height:1.9}