:root{--ink:#001b3a;--navy:#00162d;--panel:#08243d;--line:#234661;--muted:#9eafc1;--paper:#edf2f6;--cyan:#00b8ff;--amber:#00f0c8;--white:#fff;--max:1180px;--r:18px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:var(--navy);color:var(--paper);font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;line-height:1.62}a{color:inherit}button,input,textarea,select{font:inherit}.skip{position:absolute;left:-999px;top:8px;background:var(--cyan);color:var(--ink);padding:8px 12px;z-index:99}.skip:focus{left:8px}.site-header{position:sticky;top:0;z-index:30;background:rgba(11,18,32,.94);border-bottom:1px solid var(--line);backdrop-filter:blur(16px)}.nav{max-width:var(--max);margin:auto;display:flex;align-items:center;gap:24px;padding:15px 24px}.brand{text-decoration:none;display:flex;align-items:center;gap:12px;min-width:max-content}.brand-mark{width:34px;height:34px;border:1px solid var(--cyan);display:grid;place-items:center;color:var(--cyan);font-size:11px;font-weight:800;letter-spacing:-.04em}.brand b{font-size:16px}.brand small{display:block;color:var(--muted);font-size:10px;letter-spacing:.08em;text-transform:uppercase}.nav-links{margin-left:auto;display:flex;gap:22px;align-items:center}.nav-links a{text-decoration:none;color:#cbd7e2;font-size:14px}.nav-links a:hover,.nav-links a[aria-current=page]{color:var(--cyan)}.lang{border:1px solid var(--line);padding:6px 10px;border-radius:999px}.menu-btn{display:none;margin-left:auto;background:transparent;color:white;border:1px solid var(--line);padding:7px 10px}.wrap{max-width:var(--max);margin:auto;padding:0 24px}.hero{min-height:670px;display:grid;grid-template-columns:1.14fr .86fr;gap:60px;align-items:center;padding:72px 0 64px;position:relative}.hero:before{content:"";position:absolute;inset:0 auto auto -8vw;width:52vw;height:1px;background:var(--cyan);box-shadow:0 92px 0 rgba(0,184,255,.22),0 184px 0 rgba(0,184,255,.12)}.eyebrow{font-size:12px;letter-spacing:.15em;text-transform:uppercase;color:var(--cyan);font-weight:800}.hero h1{font-size:clamp(54px,7vw,96px);line-height:.95;letter-spacing:-.06em;margin:18px 0 22px;max-width:820px}.hero h1 span{display:block;color:var(--cyan)}.lead{font-size:clamp(18px,2vw,23px);color:#cad5df;max-width:720px}.actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}.btn{display:inline-flex;text-decoration:none;align-items:center;justify-content:center;min-height:46px;padding:0 18px;border:1px solid var(--cyan);color:var(--navy);background:var(--cyan);font-weight:750}.btn.secondary{background:transparent;color:var(--paper);border-color:var(--line)}.btn:hover{transform:translateY(-1px)}.signal{border:1px solid var(--line);background:#0e192a;padding:28px;position:relative}.signal:after{content:"";position:absolute;right:-1px;top:-1px;width:48px;height:48px;border-top:3px solid var(--amber);border-right:3px solid var(--amber)}.signal h2{font-size:18px;margin:0 0 22px}.signal ol{list-style:none;padding:0;margin:0;counter-reset:lens}.signal li{counter-increment:lens;border-top:1px solid var(--line);padding:18px 0 18px 46px;position:relative}.signal li:before{content:"0" counter(lens);position:absolute;left:0;color:var(--amber);font:700 12px/1 ui-monospace,SFMono-Regular,monospace}.signal strong{display:block;margin-bottom:3px}.signal span{color:var(--muted);font-size:14px}.event-chip{margin-top:22px;border-left:3px solid var(--amber);padding-left:14px;color:#cbd7e2;font-size:13px}.section{padding:82px 0;border-top:1px solid var(--line)}.section-head{display:grid;grid-template-columns:.45fr 1fr;gap:40px;margin-bottom:38px}.section h2{font-size:clamp(32px,4vw,52px);line-height:1.03;letter-spacing:-.04em;margin:0}.section-intro{color:var(--muted);max-width:680px;margin:0}.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);padding:26px;background:#0c1625;min-height:250px;display:flex;flex-direction:column}.card .num{font:700 12px/1 ui-monospace,SFMono-Regular,monospace;color:var(--amber);letter-spacing:.1em}.card h3{font-size:22px;line-height:1.2;margin:28px 0 12px}.card p{color:var(--muted);font-size:15px}.card a{margin-top:auto;color:var(--cyan);text-decoration:none;font-weight:700}.article-grid .card{min-height:330px}.article-grid .tag{color:var(--cyan);font-size:11px;text-transform:uppercase;letter-spacing:.1em}.article-grid .meta{color:#71849a;font-size:12px;margin-top:12px}.band{background:var(--paper);color:var(--ink)}.band .section-intro,.band .card p{color:#506174}.band .card{background:white;border-color:#cbd7df}.band .card a{color:#087b89}.band .card .tag{color:#087b89}.band .card .meta{color:#6d7d8c}.quote{border-left:4px solid var(--amber);padding:6px 0 6px 24px;font-size:clamp(23px,3vw,38px);line-height:1.25;max-width:900px}.split{display:grid;grid-template-columns:1fr 1fr;gap:40px}.list{padding:0;margin:0;list-style:none}.list li{border-top:1px solid var(--line);padding:18px 0;display:grid;grid-template-columns:120px 1fr;gap:20px}.list b{color:var(--cyan)}.list span{color:var(--muted)}.page-hero{padding:90px 0 60px}.page-hero h1{font-size:clamp(44px,6vw,76px);line-height:1;letter-spacing:-.05em;max-width:900px;margin:16px 0 24px}.page-hero p{font-size:19px;color:var(--muted);max-width:760px}.prose{max-width:820px;padding-bottom:90px}.prose h2{font-size:32px;line-height:1.15;margin:58px 0 16px}.prose h3{font-size:21px;margin:36px 0 12px}.prose p,.prose li{color:#c4d0dc}.prose a{color:var(--cyan)}.prose .source-note{border:1px solid var(--line);padding:18px;margin-top:42px;color:var(--muted);font-size:13px}.article-kicker{display:flex;gap:12px;flex-wrap:wrap;color:var(--cyan);font-size:12px;text-transform:uppercase;letter-spacing:.08em}.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:1px;background:var(--line);border:1px solid var(--line);margin:34px 0}.fact{background:var(--navy);padding:22px}.fact b{display:block;color:var(--amber);font-size:24px}.fact span{font-size:12px;color:var(--muted)}.contact-grid{display:grid;grid-template-columns:.7fr 1.3fr;gap:30px}.contact-card{border:1px solid var(--line);padding:24px}.placeholder{display:inline-block;padding:5px 8px;background:rgba(0,240,200,.12);border:1px solid rgba(0,240,200,.45);color:#ffd28b;font-family:ui-monospace,SFMono-Regular,monospace;font-size:12px}.qr{aspect-ratio:1;max-width:180px;border:1px dashed #71849a;display:grid;place-items:center;color:#71849a;text-align:center;padding:18px;margin:16px 0}.form{display:grid;gap:15px}.form label{font-size:13px;color:#b9c6d2}.form input,.form textarea,.form select{width:100%;margin-top:6px;background:#08111e;border:1px solid var(--line);color:white;padding:12px}.form textarea{min-height:120px;resize:vertical}.form button{cursor:pointer}.result{display:none;border:1px solid var(--cyan);padding:16px;white-space:pre-wrap;margin-top:14px;background:#08111e}.notice{border-left:3px solid var(--amber);padding:12px 16px;background:rgba(0,240,200,.08);color:#e7c995;font-size:13px;margin:20px 0}.footer{border-top:1px solid var(--line);padding:42px 0 52px;color:var(--muted);font-size:13px}.footer-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}.footer b{color:var(--paper)}.footer a{color:var(--cyan)}
.brand-mark{width:40px;border-style:dashed;font-size:9px;letter-spacing:.04em}
@media(max-width:850px){.nav-links{display:none;position:absolute;top:64px;left:12px;right:12px;background:var(--navy);border:1px solid var(--line);padding:18px;flex-direction:column;align-items:flex-start}.nav-links.open{display:flex}.menu-btn{display:block}.hero{grid-template-columns:1fr;gap:36px;min-height:auto}.grid3,.split,.contact-grid{grid-template-columns:1fr}.section-head{grid-template-columns:1fr;gap:16px}.facts{grid-template-columns:1fr 1fr}.footer-grid{grid-template-columns:1fr}.hero h1{font-size:56px}}@media(max-width:520px){.wrap{padding:0 18px}.brand small{display:none}.hero{padding-top:48px}.hero h1{font-size:45px}.facts{grid-template-columns:1fr}.list li{grid-template-columns:1fr;gap:4px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}.btn:hover{transform:none}}

.brand-logo{display:block;width:40px;height:40px;object-fit:contain;flex:none}.contact-card a{color:var(--cyan);overflow-wrap:anywhere}.contact-card strong{color:var(--paper)}

.original-brand{max-width:650px;margin:4px 0 44px}.original-brand img{display:block;width:100%;height:auto;border:1px solid var(--line)}.original-brand figcaption{color:var(--muted);font-size:13px;margin-top:8px}.channel-qr{margin:12px 0 24px}.channel-qr img{display:block;max-width:100%;height:auto;border-radius:8px}.channel-qr--official{max-width:310px}.channel-qr--channels{max-width:180px}.channel-qr figcaption{color:var(--muted);font-size:13px;margin-top:8px}.contact-card .channel-qr img{border:1px solid var(--line)}

.bc-company-logo{display:block;width:min(100%,340px);height:auto;margin:4px 0 22px;border-radius:8px}.relationship-note{font-size:12px;color:var(--muted);border-left:2px solid var(--line);padding-left:10px}