.section-anchor[data-v-321e13b1]{scroll-margin-top:7.5rem}.back-to-top-btn[data-v-321e13b1]{position:fixed;right:1rem;bottom:1rem;z-index:40;display:inline-flex;align-items:center;justify-content:center;width:2.9rem;height:2.9rem;border-radius:999px;border:1px solid var(--line);color:var(--text-primary);background-color:var(--surface);box-shadow:0 12px 26px -16px #020817e6}.back-to-top-btn[data-v-321e13b1]:focus-visible{outline:2px solid var(--accent-link);outline-offset:2px}.back-top-enter-active[data-v-321e13b1],.back-top-leave-active[data-v-321e13b1]{transition:opacity .18s ease,transform .18s ease}.back-top-enter-from[data-v-321e13b1],.back-top-leave-to[data-v-321e13b1]{opacity:0;transform:translateY(8px)}@media(prefers-reduced-motion:reduce){.back-top-enter-active[data-v-321e13b1],.back-top-leave-active[data-v-321e13b1]{transition:none}}