:root{--bg:#07111f;--panel:#0d1b2a;--panel2:#102236;--panel3:#0a1726;--text:#eef6ff;--muted:#9fb2c9;--line:#223a54;--blue:#58b8ff;--mint:#7ee0c2;--amber:#ffbf69;--violet:#b7a8ff;--shadow:0 18px 44px rgba(0,0,0,.28);--radius:18px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 90% 0%,rgba(88,184,255,.10),transparent 30%),radial-gradient(circle at 0 24%,rgba(126,224,194,.07),transparent 28%),var(--bg);color:var(--text);font-family:Inter,"Pretendard","Noto Sans KR",system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;line-height:1.62}a{color:inherit}.shell{width:min(1160px,92vw);margin:auto}header{position:sticky;top:0;z-index:50;background:rgba(7,17,31,.88);backdrop-filter:blur(16px);border-bottom:1px solid var(--line)}.topbar{min-height:68px;display:flex;align-items:center;justify-content:space-between;gap:18px}.brand{font-weight:850;text-decoration:none}.brand 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