:root{--bt-red:#a80000;--bt-black:#000;--bt-white:#f2f2f2;--bt-dim:hsla(0,0%,95%,.72);--bt-line:hsla(0,0%,95%,.12)}.bt-root{background:var(--bt-black);color:var(--bt-white);min-height:100vh}.bt-hero{padding:78px 18px 36px;min-height:420px;display:flex;justify-content:center;border-bottom:1px solid var(--bt-line);background:radial-gradient(900px 500px at 50% 35%,rgba(168,0,0,.22),transparent 60%),radial-gradient(800px 420px at 35% 70%,rgba(168,0,0,.16),transparent 55%),linear-gradient(180deg,rgba(0,0,0,.6),rgba(0,0,0,.96))}.bt-hero,.bt-heroInner{position:relative;align-items:center}.bt-heroInner{max-width:1040px;margin:0 auto;display:grid;grid-gap:18px;gap:18px}.bt-heroLogoWrap{display:grid;place-items:center}.bt-heroLogo{width:min(820px,92vw);height:auto;opacity:.98;filter:drop-shadow(0 18px 40px rgba(0,0,0,.65))}.bt-logoInvert{filter:drop-shadow(0 0 18px rgba(168,0,0,.45)) drop-shadow(0 12px 30px rgba(0,0,0,.65))}.bt-heroMeta{text-align:center;display:grid;grid-gap:6px;gap:6px}.bt-kicker{font-size:13px;letter-spacing:.12em;color:var(--bt-red)}.bt-sub{font-size:20px;letter-spacing:.06em;color:var(--bt-white)}.bt-content{max-width:1040px;margin:0 auto;padding:26px 18px 46px;display:grid;grid-gap:22px;gap:22px}.bt-block{border:1px solid var(--bt-line);border-radius:18px;overflow:hidden;background:rgba(0,0,0,.55)}.bt-h2{margin:0;padding:14px 16px;font-size:13px;letter-spacing:.14em;border-bottom:1px solid var(--bt-line);background:rgba(0,0,0,.65)}.bt-blockBody{padding:16px}.bt-announce{margin:0;color:var(--bt-dim);line-height:1.8;letter-spacing:.02em}.bt-footer{border-top:1px solid var(--bt-line);padding:22px 18px 42px;background:rgba(0,0,0,.92)}.bt-footerInner{max-width:1040px;margin:0 auto;display:grid;grid-gap:10px;gap:10px;justify-items:center}.bt-footerLogo{display:flex;align-items:center;gap:10px;opacity:.9}