.support-banner{position:sticky;top:0;z-index:50;display:flex;flex-wrap:wrap;gap:10px;align-items:center;justify-content:space-between;padding:10px 16px;background:#7a1f1a;color:#fff;font:600 14px/1.5 Pretendard,"Noto Sans KR",sans-serif}
.support-banner form{margin:0}
.support-banner button{min-height:36px;padding:0 14px;border:0;border-radius:999px;background:#fff;color:#7a1f1a;font-weight:800;cursor:pointer}