.scroll-top{position:fixed;right:25px;bottom:25px;width:54px;height:54px;border:none;border-radius:50%;background:#111;color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(20px);transition:.3s;z-index:9999}.scroll-top.show{opacity:1;visibility:visible;transform:translateY(0)}.arrow{position:absolute;font-size:20px;font-weight:700;pointer-events:none}.progress-ring{position:absolute;inset:0;transform:rotate(-90deg)}.progress-bg{fill:none;stroke:rgb(255 255 255 / .2);stroke-width:3}.progress-bar{fill:none;stroke:#2563eb;stroke-width:3;stroke-linecap:round;stroke-dasharray:151;stroke-dashoffset:151;transition:stroke-dashoffset .1s linear}