#mob-foot-nav{display:none}
@media(max-width:680px){
  #mob-foot-nav{display:flex;position:fixed;bottom:0;left:0;right:0;background:rgba(15,52,96,0.97);backdrop-filter:blur(8px);border-top:2px solid #e63946;justify-content:space-around;align-items:center;padding:6px 4px 8px;z-index:90;box-shadow:0 -4px 14px rgba(0,0,0,0.25)}
  #mob-foot-nav a,#mob-foot-nav button{display:flex;flex-direction:column;align-items:center;gap:2px;color:#fff;text-decoration:none;font-size:11px;font-weight:600;padding:4px 6px;flex:1;text-align:center;min-width:0;background:none;border:none;cursor:pointer;font-family:inherit}
  #mob-foot-nav .ic{font-size:14px;line-height:1;font-weight:800;letter-spacing:.02em}
  #mob-foot-nav a:active,#mob-foot-nav button:active{background:rgba(255,255,255,0.1);border-radius:6px}
  body{padding-bottom:64px}
}