.kd-back-to-top{position:fixed;right:22px;bottom:22px;width:46px;height:46px;border:0;border-radius:50%;background:#21A6A0;color:#fff;display:flex;align-items:center;justify-content:center;cursor:pointer;z-index:999;box-shadow:0 6px 18px rgba(0,0,0,.16);opacity:0;visibility:hidden;transform:translateY(10px);transition:opacity .2s ease,visibility .2s ease,transform .2s ease}.kd-back-to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}.kd-back-to-top:hover{transform:translateY(-2px)}.kd-back-to-top:focus-visible{outline:3px solid rgba(33,166,160,.35);outline-offset:3px}.kd-back-to-top svg{width:20px;height:20px;stroke:currentColor;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round}@media screen and (max-width:749px){.kd-back-to-top{right:14px;bottom:16px;width:42px;height:42px}.kd-back-to-top svg{width:18px;height:18px}}@media (prefers-reduced-motion:reduce){.kd-back-to-top{transition:none}}