.back-to-top[data-v-5984c289]{align-items:center;background-color:var(--color-card,#fff);border:1px solid var(--color-border,#e8e8e8);border-radius:50%;box-shadow:0 4px 12px #0000001a;color:var(--color-text-secondary,#8c8c8c);cursor:pointer;display:flex;height:44px;justify-content:center;position:fixed;transition:all .3s ease;width:44px;z-index:1000}.back-to-top[data-v-5984c289]:hover{border-color:var(--color-primary,#3e90f0);box-shadow:0 6px 16px #00000026;color:var(--color-primary,#3e90f0);transform:translateY(-2px)}.back-to-top[data-v-5984c289]:active{transform:translateY(0)}.fade-slide-enter-active[data-v-5984c289],.fade-slide-leave-active[data-v-5984c289]{transition:all .3s ease}.fade-slide-enter-from[data-v-5984c289],.fade-slide-leave-to[data-v-5984c289]{opacity:0;transform:translateY(20px)}.dark .back-to-top[data-v-5984c289]{background-color:var(--color-card,#262626);border-color:var(--color-border,#434343);box-shadow:0 4px 12px #0000004d}.dark .back-to-top[data-v-5984c289]:hover{box-shadow:0 6px 16px #0006}