/* 통합 사이트 공통 메뉴. 각 페이지의 기존 스타일과 이름을 분리한다. */
:root{--site-nav-height:64px}
.bn-site-header{box-sizing:border-box;position:sticky;top:0;z-index:45;height:var(--site-nav-height);padding:0 24px;display:grid;grid-template-columns:auto 1fr auto;align-items:center;gap:24px;background:#fff;color:#0e1b2e;border:0;border-bottom:1px solid #dce0e6;font:14px/1.4 'Pretendard Variable','Noto Sans KR','Malgun Gothic',sans-serif;letter-spacing:0;flex-wrap:nowrap}
.bn-site-header .bn-brand{display:flex;align-items:center;gap:8px;color:#0e1b2e;font-size:16px;font-weight:800;text-decoration:none;white-space:nowrap}
.bn-site-header .bn-mark{display:grid;place-items:center;background:#0e1b2e;color:#fff;width:30px;height:30px;border-radius:8px}
.bn-site-header .bn-nav{display:flex;justify-content:center;gap:8px;align-items:center;flex-wrap:nowrap;margin:0;padding:0;font-size:14px}
.bn-site-header .bn-nav a,.bn-site-header .bn-console{display:flex;align-items:center;justify-content:center;min-height:44px;padding:0 12px;border-radius:8px;white-space:nowrap;color:#43506a;text-decoration:none;font-weight:600}
.bn-site-header a:hover,.bn-site-header a[aria-current="page"]{background:#e8edfc;color:#2247d1}
.bn-site-header .bn-console{border:1px solid #dce0e6;min-height:38px}
.bn-site-header a:focus-visible{outline:2px solid #2247d1;outline-offset:2px}
html:has(.bn-site-header){scroll-padding-top:calc(var(--site-nav-height) + 16px)}
body.site-os .topbar{position:sticky;top:var(--site-nav-height);height:60px}
body.site-os .main{padding-top:0}
body.site-os .rail{top:calc(var(--site-nav-height) + 60px)}
body.site-os #console-link{display:none}
body.site-os .lane-h{top:calc(var(--site-nav-height) + 76px)}
body.site-os.present .bn-site-header{display:none}
body.site-os.present .topbar{top:0}
body.site-levers .side,body.site-brain .side{top:calc(var(--site-nav-height) + 20px)}
@media(max-width:760px){
 :root{--site-nav-height:104px}
 .bn-site-header{grid-template-columns:1fr auto;grid-template-rows:52px 52px;padding:0 12px;gap:0 12px}
 .bn-site-header .bn-nav{grid-column:1/-1;grid-row:2;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;width:100%;font-size:13px}
 .bn-site-header .bn-nav a{padding:0 4px}
 .bn-site-header .bn-console{grid-column:2;grid-row:1;padding:0 12px;font-size:13px}
 body.site-os .rail{top:auto}
 body.site-os .demo-ribbon{bottom:70px;font-size:10px;padding:5px 9px}
 body.site-brain .side,body.site-levers .side{position:static}
}
@media print{.bn-site-header{display:none!important}body.site-os .main{padding-top:0}}