.bja-site-header{--bja-blue-950:#041a46;--bja-blue-800:#073f95;--bja-cyan-500:#12a9ba;position:relative;z-index:10;display:flex;align-items:center;justify-content:space-between;gap:clamp(1.25rem,2.4vw,2.7rem);height:8.2rem;min-height:0;padding:1.15rem clamp(1.25rem,4.7vw,4.8rem);background:hsla(0,0%,100%,.94);border-bottom:1px solid rgba(7,45,91,.07);box-shadow:0 10px 28px rgba(20,72,112,.055);backdrop-filter:blur(18px);font-family:var(--font-sans,system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif)}.bja-brand{display:inline-flex;align-items:center;gap:1.05rem;min-width:fit-content;text-decoration:none;color:inherit}.bja-brand-logo{display:block;width:clamp(4.4rem,5.8vw,5.4rem);height:auto}.bja-brand-logo img{width:100%;height:auto;object-fit:contain;filter:drop-shadow(0 8px 14px rgba(5,30,76,.12))}.bja-brand-copy{display:grid;gap:.1rem}.bja-brand-name{color:var(--bja-blue-950);font-size:clamp(1.75rem,2.55vw,2.5rem);font-weight:900;line-height:1.05}.bja-brand-name,.bja-brand-tagline{letter-spacing:.08em;white-space:nowrap}.bja-brand-tagline{color:#38577f;font-size:.85rem;font-weight:700}.bja-main-nav{display:flex;align-items:center;justify-content:center;gap:clamp(1.15rem,2.35vw,2.75rem);flex:1;color:var(--bja-blue-950);font-size:clamp(1.05rem,1.2vw,1.22rem);font-weight:800}.bja-main-nav a{position:relative;padding:.35rem 0;white-space:nowrap;text-decoration:none;color:inherit}.bja-main-nav a:after{position:absolute;right:0;bottom:0;left:0;height:2px;background:linear-gradient(90deg,var(--bja-cyan-500),var(--bja-blue-800));transform:scaleX(0);transform-origin:center;transition:transform .18s ease;content:""}.bja-main-nav a:focus-visible:after,.bja-main-nav a:hover:after{transform:scaleX(1)}.bja-header-cta{display:inline-flex;align-items:center;justify-content:center;gap:1.05rem;min-height:3.75rem;min-width:12.2rem;padding:.9rem 1.55rem;border-radius:.9rem;font-size:1.05rem;font-weight:900;letter-spacing:.02em;color:#fff;background:linear-gradient(135deg,#0049a8,#052766);box-shadow:0 12px 24px rgba(1,58,147,.22);text-decoration:none;transition:transform .18s ease,box-shadow .18s ease}.bja-header-cta:focus-visible,.bja-header-cta:hover{transform:translateY(-1px);box-shadow:0 16px 30px rgba(1,58,147,.28)}@media (max-width:767px){.bja-site-header{height:auto;padding:.8rem 1rem;gap:.6rem}.bja-brand-tagline{display:none}.bja-brand-name{font-size:1.4rem}.bja-brand-logo{width:3rem}.bja-header-cta,.bja-main-nav{display:none}}.mmn-hamburger{display:none;width:48px;height:48px;background:hsla(0,0%,100%,.94);border:1px solid rgba(7,45,91,.15);border-radius:8px;cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;flex-shrink:0;padding:0;margin-left:auto}.mmn-hamburger span{width:20px;height:2px;background:#041a46;display:block;border-radius:1px}.mmn-hamburger:focus-visible{outline:2px solid #0049a8;outline-offset:2px}.mmn-backdrop{inset:0;background:rgba(20,30,50,.5);backdrop-filter:blur(4px);z-index:50;animation:mmn-fade-in .18s ease}.mmn-backdrop,.mmn-drawer{display:none;position:fixed}.mmn-drawer{top:0;left:0;bottom:0;width:264px;max-width:80vw;background:#fff;box-shadow:8px 0 24px rgba(0,0,0,.18);z-index:51;flex-direction:column;padding:22px;transform:translateX(-100%);transition:transform .18s ease;font-family:var(--font-sans,system-ui,-apple-system,"PingFang TC","Microsoft JhengHei",sans-serif)}.mmn-drawer.is-open{transform:translateX(0)}.mmn-drawer-top{display:flex;justify-content:flex-end;margin-bottom:20px}.mmn-close{width:36px;height:36px;border:1px solid #e5e7eb;background:transparent;border-radius:6px;font-size:18px;color:#566988;cursor:pointer;display:flex;align-items:center;justify-content:center;line-height:1}.mmn-close:focus-visible{outline:2px solid #0049a8;outline-offset:2px}.mmn-drawer-nav{display:flex;flex-direction:column;flex:1;gap:2px}.mmn-drawer-link{display:block;padding:14px 8px;color:#041a46;font-size:17px;font-weight:700;text-decoration:none;border-radius:6px;letter-spacing:.02em}.mmn-drawer-link.is-active{background:#eef4fb}.mmn-drawer-link:focus-visible{outline:2px solid #0049a8;outline-offset:2px}.mmn-drawer-cta{display:flex;align-items:center;justify-content:center;gap:8px;background:linear-gradient(135deg,#0049a8,#052766);color:#fff;font-size:15px;font-weight:900;padding:13px;border-radius:9px;text-decoration:none;box-shadow:0 6px 14px rgba(1,58,147,.22);margin-top:12px;letter-spacing:.02em}@media (max-width:767px){.mmn-hamburger{display:flex}.mmn-backdrop{display:block}.mmn-drawer{display:flex}}@media (prefers-reduced-motion:reduce){.mmn-drawer{transition:none}.mmn-backdrop{animation:none}}@keyframes mmn-fade-in{0%{opacity:0}to{opacity:1}}