.back-to-top{position:fixed;right:max(18px,env(safe-area-inset-right));bottom:max(22px,calc(env(safe-area-inset-bottom) + 18px));z-index:40;width:42px;height:42px;border:1px solid rgba(18,49,77,.18);border-radius:12px;background:rgba(255,255,255,.94);color:#12314d;box-shadow:0 8px 22px rgba(18,49,77,.16);font-size:1.2rem;font-weight:900;line-height:1;cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .18s ease,transform .18s ease,visibility .18s}.back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.back-to-top:hover{background:#e8f0f3}.back-to-top:focus-visible{outline:3px solid rgba(15,139,141,.25);outline-offset:2px}@media(max-width:760px){.back-to-top{right:max(12px,env(safe-area-inset-right));bottom:max(14px,calc(env(safe-area-inset-bottom) + 12px));width:38px;height:38px;border-radius:11px;font-size:1.05rem}}
@media print{.back-to-top{display:none!important}}