.zcb-floating-button {
 position:fixed; right:var(--zcb-right,24px); bottom:var(--zcb-bottom,24px);
 width:var(--zcb-size,62px); height:var(--zcb-size,62px);
 display:flex; align-items:center; justify-content:center; z-index:100001; /* Di atas ZEA Bottom Menu agar tombol tetap terlihat dan dapat digeser. */
 border-radius:50%; text-decoration:none!important; line-height:1;
 transition:transform 160ms ease,filter 160ms ease; -webkit-tap-highlight-color:transparent;
}
.zcb-floating-button img {
 display:block; width:100%; height:100%; object-fit:contain; border:0; border-radius:50%;
 box-shadow:0 3px 12px rgba(0,0,0,.24);
}
.zcb-floating-button:hover { transform:scale(1.06); filter:brightness(1.04); }
.zcb-floating-button:focus-visible { outline:3px solid #1d72d8; outline-offset:3px; }