.orizon-scroll-top-btn{position:fixed;bottom:30px;right:30px;width:48px;height:48px;border-radius:50%;background:linear-gradient(135deg,#FF6B00 0%,#FF8533 100%);color:#FFF;border:none;outline:none;cursor:pointer;z-index:999999;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 24px rgb(255 107 0 / .35);opacity:0;visibility:hidden;pointer-events:none;transform:translateY(20px) scale(.85);transition:opacity 0.3s cubic-bezier(.4,0,.2,1),transform 0.3s cubic-bezier(.4,0,.2,1),visibility 0.3s ease,box-shadow 0.3s ease,background 0.3s ease;padding:0;margin:0;text-decoration:none;-webkit-tap-highlight-color:#fff0}.orizon-scroll-top-btn.is-visible{opacity:1;visibility:visible;pointer-events:auto;transform:translateY(0) scale(1)}.orizon-scroll-top-btn:hover{transform:translateY(-4px) scale(1.06);box-shadow:0 12px 28px rgb(255 107 0 / .48);background:linear-gradient(135deg,#E05E00 0%,#FF6B00 100%)}.orizon-scroll-top-btn:active{transform:translateY(-1px) scale(.96);box-shadow:0 4px 14px rgb(255 107 0 / .35)}.orizon-scroll-top-btn:focus-visible{outline:2px solid #FF6B00;outline-offset:4px}.orizon-scroll-top-btn.pos-left{right:auto;left:30px}.orizon-stt-icon{width:20px;height:20px;stroke:currentColor;stroke-width:2.5;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform 0.25s ease;display:block}.orizon-scroll-top-btn:hover .orizon-stt-icon{transform:translateY(-3px)}.orizon-stt-progress-svg{position:absolute;top:-3px;left:-3px;width:54px;height:54px;pointer-events:none;transform:rotate(-90deg)}.orizon-stt-progress-bg{fill:none;stroke:rgb(255 107 0 / .18);stroke-width:2.8}.orizon-stt-progress-bar{fill:none;stroke:#FF6B00;stroke-width:2.8;stroke-linecap:round;stroke-dasharray:151;stroke-dashoffset:151;transition:stroke-dashoffset 0.08s linear}.orizon-scroll-top-btn.shape-rounded{border-radius:12px}.orizon-scroll-top-btn.shape-square{border-radius:6px}@media (max-width:767px){.orizon-scroll-top-btn{bottom:20px;right:20px;width:44px;height:44px}.orizon-scroll-top-btn.pos-left{left:20px}.orizon-stt-icon{width:18px;height:18px}.orizon-stt-progress-svg{top:-2px;left:-2px;width:48px;height:48px}}