.support-btn{position:absolute;top:0;left:0;z-index:10;inline-size:4.0625rem;block-size:4.0625rem;border-radius:50%;background-color:var(--grey-color);-webkit-transform-origin:top right;-ms-transform-origin:top right;transform-origin:top right;-webkit-transition:background-color var(--trans-elem),color var(--trans-elem);transition:background-color var(--trans-elem),color var(--trans-elem);border:0;box-shadow:0 2px 5px 0 #00000040}.support-btn::before{font-size:2.3125rem}.support-btn::after{content:"";position:absolute;top:50%;left:50%;inline-size:100%;block-size:100%;background-color:var(--text-color-50);border-radius:50%;translate:-50% -50%;opacity:0;pointer-events:none}.support-btn::after{color:var(--text-color)}.support-btn span{position:absolute;bottom:.3125rem;right:.3125rem;inline-size:0.625rem;block-size:0.625rem;background-color:var(--accent-color);border-radius:50%}.support-btn--close{border-radius:3.125rem 0 3.125rem 3.125rem;opacity:0}.support-btn--close::before{font-size:1.75rem}.is-open-support .support-btn{opacity:0}.is-open-support .support-btn--close{opacity:1}.support-btn:focus-visible{outline:.125rem dashed var(--text-color);outline-offset:0.125rem;color:var(--light-color);background-color:var(--bg-grey-color)}.theme-dark .support-btn:focus-visible{background-color:#939394}.theme-dark .support-btn{background-color:var(--black-color-30)}@media (any-hover:hover){.support-btn:hover{background-color:var(--bg-grey-color)}.theme-dark .support-btn:hover{background-color:var(--text-color-50);color:var(--text-color)}.support-btn:not(.support-btn--close):hover::after{-webkit-animation:support-pulse 2s infinite;animation:support-pulse 2s infinite}}@-webkit-keyframes support-pulse{0%{inline-size:1.875rem;block-size:1.875rem;opacity:.2}100%{inline-size:6.25rem;block-size:6.25rem;opacity:0}}@keyframes support-pulse{0%{inline-size:1.875rem;block-size:1.875rem;opacity:.2}100%{inline-size:6.25rem;block-size:6.25rem;opacity:0}}@media (max-width:768px){.support-btn{display:none}}