:root{--bg: #f5f7fb;--panel: #ffffff;--text: #172033;--muted: #6b7280;--line: #e5ebf3;--primary: #2478ff;--primary-soft: #eaf2ff;--radius-card: 18px;--radius-control: 12px;--radius-button: 14px;--shadow: 0 14px 34px rgba(23, 32, 51, .07);--site-header-height: 76px}*{box-sizing:border-box}html,body{margin:0;min-width:320px;overflow-x:hidden;color:var(--text);background:var(--bg);font-family:Pretendard,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif}body{padding-top:var(--site-header-height)}img{max-width:100%;display:block}a{color:inherit;text-decoration:none}button,input,select,textarea{font:inherit}.site-header{position:fixed;top:0;left:0;right:0;z-index:80;display:flex;align-items:center;justify-content:space-between;gap:28px;width:100%;min-height:var(--site-header-height);padding:0 max(20px,calc((100vw - 1120px)/2));border-bottom:1px solid rgba(229,235,243,.92);background:#fffffff5;box-shadow:0 8px 24px #1720330a;-webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px)}.site-brand{display:inline-flex;align-items:center;gap:0;min-width:0;color:#101828;font-size:20px;font-weight:900;letter-spacing:-.01em}.site-brand img[data-site-logo]{width:auto;height:54px;max-width:320px;border:0;border-radius:0;object-fit:contain;background:transparent}.site-brand span,.site-brand img[data-site-logo][src=""]{display:none}.site-nav{display:flex;align-items:center;gap:6px;color:var(--muted);font-size:14px;font-weight:850}.site-nav a{border-radius:999px;padding:10px 13px;transition:color .16s ease,background .16s ease}.site-nav a:hover{color:var(--primary);background:#2478ff0f}.site-nav a[aria-current=page]{color:var(--primary);background:var(--primary-soft)}.mobile-menu-button{display:none;width:38px;height:38px;border:1px solid rgba(36,120,255,.14);border-radius:12px;color:var(--text);background:#f8fbff;font-size:20px;font-weight:900;line-height:1;cursor:pointer}.panel{border:1px solid rgba(229,235,243,.96);border-radius:var(--radius-card);background:var(--panel);box-shadow:var(--shadow)}@media (max-width: 768px){:root{--site-header-height: 62px}.site-header{display:grid;grid-template-columns:minmax(0,1fr) auto;align-items:center;gap:8px 12px;min-height:var(--site-header-height);padding:8px 16px}.mobile-menu-button{display:inline-flex;align-items:center;justify-content:center}.site-nav{display:none;grid-column:1 / -1;width:100%;align-items:stretch;gap:4px;border-top:1px solid rgba(229,235,243,.92);padding-top:7px}.site-header.is-menu-open .site-nav{display:grid}.site-nav a{border-radius:11px;padding:9px 11px;font-size:14px}}@media (max-width: 640px){.site-brand{font-size:17px;gap:9px}.site-brand img[data-site-logo]{width:auto;height:38px;max-width:220px}}