/* Banner "tải app" — chỉ hiện trên WEBSITE (không hiện trong app).
   Mobile: thanh trên cùng. Desktop: thẻ nổi góc dưới-phải với QR. */
#vxma-dl{position:fixed;left:0;right:0;top:0;z-index:2147483000;
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,system-ui,sans-serif;
  transform:translateY(-110%);transition:transform .35s cubic-bezier(.2,.8,.2,1)}
#vxma-dl.vxma-in{transform:translateY(0)}

/* ---- mobile bar ---- */
#vxma-dl .vxma-bar{display:flex;align-items:center;gap:12px;
  background:#0f1622;color:#fff;padding:10px 12px;
  padding-top:calc(10px + env(safe-area-inset-top));
  box-shadow:0 2px 14px rgba(0,0,0,.28)}
#vxma-dl .vxma-x{flex:0 0 auto;width:26px;height:26px;border:0;background:transparent;
  color:#9aa4b2;font-size:22px;line-height:1;cursor:pointer;padding:0}
#vxma-dl .vxma-ic{flex:0 0 auto;width:40px;height:40px;border-radius:9px;object-fit:cover;background:#1c2740}
#vxma-dl .vxma-tx{flex:1;min-width:0}
#vxma-dl .vxma-tt{font-size:14px;font-weight:700;line-height:1.2}
#vxma-dl .vxma-sb{font-size:12px;color:#9aa4b2;margin-top:2px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
#vxma-dl .vxma-cta{flex:0 0 auto;background:#c0392b;color:#fff;border:0;border-radius:999px;
  padding:9px 16px;font-size:14px;font-weight:700;cursor:pointer;text-decoration:none;white-space:nowrap}
#vxma-dl .vxma-cta:active{background:#a5301f}

/* ---- desktop card ---- */
#vxma-dl.vxma-desktop{left:auto;right:22px;top:auto;bottom:22px;transform:translateY(140%)}
#vxma-dl.vxma-desktop.vxma-in{transform:translateY(0)}
#vxma-dl .vxma-card{position:relative;background:#fff;color:#1c2430;border-radius:16px;
  padding:18px 20px 20px;width:300px;box-shadow:0 16px 50px rgba(15,22,34,.22);border:1px solid #eceff3}
#vxma-dl .vxma-card .vxma-x{position:absolute;top:8px;right:10px;color:#b6bdc8}
#vxma-dl .vxma-card h4{margin:2px 0 4px;font-size:16px;font-weight:800}
#vxma-dl .vxma-card p{margin:0 0 14px;font-size:13px;color:#7a8494}
#vxma-dl .vxma-qrs{display:flex;gap:16px}
#vxma-dl .vxma-qr{flex:1;text-align:center}
#vxma-dl .vxma-qr img{width:100%;max-width:120px;height:auto;border-radius:8px;border:1px solid #eceff3;display:block;margin:0 auto 6px}
#vxma-dl .vxma-qr span{font-size:12px;font-weight:600;color:#1c2430}