.bc-page{background:var(--vf-surface);color:var(--vf-ink)}.bc-page a{text-decoration:none}
.bc-hero{padding:64px clamp(24px,5vw,78px) 40px;background:var(--vf-surface-2)}.bc-hero>span,.bc-topic>header span{color:var(--vf-blue-text);font-size:.73rem;font-weight:900;letter-spacing:.12em;text-transform:uppercase}.bc-hero h1{margin:13px 0 17px;font:750 clamp(2.7rem,5.3vw,5.8rem)/.94 var(--vf-font-head);letter-spacing:-.05em}.bc-hero p{max-width:820px;margin:0;font-size:1rem;line-height:1.65}
.bc-hero nav{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px}.bc-hero nav a{padding:9px 14px;border:1px solid var(--vf-rule);color:var(--vf-ink);font-size:.85rem;font-weight:700}.bc-hero nav a[aria-current]{background:var(--vf-ink);color:var(--vf-surface)}.bc-hero nav b{margin-left:4px;color:var(--vf-red-text)}.bc-hero nav a[aria-current] b{color:inherit}
.bc-limit{display:grid;grid-template-columns:auto 1fr;gap:26px;padding:20px clamp(24px,5vw,78px);background:var(--vf-amber-soft)}.bc-limit strong{text-transform:uppercase}.bc-limit p{margin:0;line-height:1.5}
.bc-topic{padding:52px clamp(24px,5vw,78px);border-bottom:1px solid var(--vf-rule)}.bc-topic>header{margin-bottom:26px}.bc-topic h2,.bc-note h2{margin:0 0 8px;font:750 clamp(1.7rem,3vw,2.6rem)/1.05 var(--vf-font-head);letter-spacing:-.03em}.bc-topic>header p{max-width:760px;margin:0;color:var(--vf-mute);line-height:1.5}
.bc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(min(100%,340px),1fr));gap:28px}.bc-clip{display:flex;flex-direction:column;border:1px solid var(--vf-rule);background:var(--vf-surface)}
.bc-player{position:relative;aspect-ratio:16/9;background:var(--vf-ink-strong)}.bc-player button{all:unset;position:absolute;inset:0;cursor:pointer}.bc-player img{width:100%;height:100%;object-fit:cover;display:block}.bc-player button span{position:absolute;left:50%;top:50%;width:68px;height:48px;margin:-24px 0 0 -34px;border-radius:12px;background:var(--vf-action);color:var(--vf-on-accent);font-size:1.4rem;line-height:48px;text-align:center}.bc-player button:focus-visible{outline:3px solid var(--vf-blue);outline-offset:-3px}.bc-player iframe{position:absolute;inset:0;width:100%;height:100%;border:0}.bc-player noscript a{position:absolute;inset:auto 0 0;padding:10px;background:var(--vf-ink-strong);color:var(--vf-on-accent)}
.bc-meta{display:flex;flex-direction:column;gap:10px;padding:18px}.bc-meta>span{color:var(--vf-blue-text);font-size:.72rem;font-weight:900;letter-spacing:.08em;text-transform:uppercase}.bc-meta h3{margin:0;font:700 1.08rem/1.3 var(--vf-font-head)}.bc-meta p{margin:0;line-height:1.5}
.bc-meta dl{display:grid;gap:4px;margin:0;font-size:.82rem}.bc-meta dl div{display:grid;grid-template-columns:96px 1fr;gap:8px}.bc-meta dt{color:var(--vf-mute)}.bc-meta dd{margin:0}.bc-meta em{font-style:normal;font-weight:700;color:var(--vf-blue-text)}
.bc-meta nav{display:flex;flex-wrap:wrap;gap:14px;margin-top:auto;padding-top:6px;font-size:.85rem;font-weight:700}.bc-meta nav a{color:var(--vf-blue-text)}
.bc-empty{padding:22px;border:1px dashed var(--vf-rule)}.bc-empty p{margin:6px 0 0;color:var(--vf-mute)}
.bc-note{padding:48px clamp(24px,5vw,78px)}.bc-note p{max-width:820px;line-height:1.6}.bc-note a{color:var(--vf-blue-text);font-weight:700}
@media(max-width:560px){.bc-hero{padding:42px 16px 30px}.bc-limit{grid-template-columns:1fr;gap:7px;padding:18px 16px}.bc-topic,.bc-note{padding:40px 16px}}