:root{--qs-accent:#ff6a2a;--qs-border:rgba(0, 0, 0, 0.2);--qs-shadow:0 12px 30px rgba(0, 0, 0, 0.28)}.qs-side-tab{position:fixed;top:50%;right:0;transform:translateY(-50%);z-index:100000;display:inline-flex;align-items:center;justify-content:center;width:48px;min-height:140px;padding:12px 10px;background:var(--qs-accent);color:#fff;border:1px solid var(--qs-border);border-right:0;border-radius:12px 0 0 12px;box-shadow:var(--qs-shadow);writing-mode:vertical-rl;text-orientation:mixed;letter-spacing:.08em;text-decoration:none;font:700 12px/1.1 Montserrat,system-ui,-apple-system,Segoe UI,Roboto,Arial;transition:opacity .35s ease,transform .35s ease,box-shadow .25s ease,background-color .25s ease}.qs-side-tab.is-hidden{opacity:0;visibility:hidden;transform:translateY(-50%) translateX(12px);pointer-events:none}.qs-side-tab.is-visible{opacity:1;visibility:visible;transform:translateY(-50%) translateX(0)}.qs-side-tab:hover{transform:translateY(-50%) translateX(-6px);box-shadow:0 16px 40px rgba(0,0,0,.34);background:color-mix(in srgb,var(--qs-accent) 88%,#fff 12%)}.qs-side-tab:focus-visible{outline:0;transform:translateY(-50%) translateX(-6px);box-shadow:0 0 0 4px color-mix(in srgb,var(--qs-accent) 35%,transparent),0 16px 40px rgba(0,0,0,.34)}@media (max-width:420px){.qs-side-tab{width:44px;min-height:120px;padding:10px 8px;letter-spacing:.06em;font-size:11px}}@media (prefers-reduced-motion:reduce){.qs-side-tab{transition:none}}