.tan-back-top{position:fixed;right:18px;bottom:86px;z-index:69;display:flex;align-items:center;gap:7px;padding:10px 13px;border:1px solid #cbdcde;border-radius:999px;background:#fff;color:#17324b;font:inherit;font-size:.84rem;font-weight:850;box-shadow:0 10px 28px rgba(23,50,75,.18);cursor:pointer;opacity:0;visibility:hidden;transform:translateY(8px);transition:opacity .2s ease,transform .2s ease,visibility .2s ease}
.tan-back-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.tan-back-top:hover,.tan-back-top:focus-visible{border-color:#359d94;color:#167c75}
.tan-back-top:focus-visible{outline:3px solid rgba(53,157,148,.28);outline-offset:3px}
@media(max-width:650px){.tan-back-top{right:10px;bottom:76px;padding:9px 11px}.tan-back-top b{display:none}}
@media(prefers-reduced-motion:reduce){.tan-back-top{transition:none}}