:root{--blue:#0057d8;--blue2:#0085ff;--navy:#06142b;--text:#111827;--muted:#64748b;--light:#f6f9fe;--line:#dfe7f1;--green:#25d366}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Arial,Helvetica,sans-serif;color:var(--text);background:#fff;line-height:1.45}a{text-decoration:none}.bbt-wrap{width:min(1180px,calc(100% - 36px));margin:0 auto}.bbt-center{text-align:center}.bbt-topbar{position:sticky;top:0;z-index:80;background:#fff;box-shadow:0 6px 24px rgba(0,0,0,.07)}.bbt-menu{height:92px;display:flex;align-items:center;justify-content:space-between;gap:24px}.bbt-logo img{width:210px;max-height:78px;object-fit:contain;display:block}.bbt-links{display:flex;gap:24px;align-items:center}.bbt-links a{color:#111827;font-size:13px;font-weight:900;text-transform:uppercase}.bbt-links a:hover,.bbt-links a:first-child{color:var(--blue)}.bbt-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:10px;padding:15px 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