#float-index{position:fixed;top:50%;left:10px;transform:translateY(-50%);z-index:9999;width:220px;max-height:70vh;overflow:auto;background:#fff;border:1px solid #e5e7eb;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.12);padding:10px;scrollbar-width:thin}#float-index-toggle{display:none;border:0;border-radius:10px;padding:6px 10px;margin-bottom:8px;background:var(--fsi-color,#0eb2e7);color:#fff;cursor:pointer}#float-index-list{list-style:none;margin:0;padding:0}#float-index-list li{margin:6px 0;line-height:1.3}#float-index-list a{text-decoration:none;color:#111827;border-left:3px solid transparent;padding-left:8px;display:block}#float-index-list a:hover{color:var(--fsi-color,#0eb2e7)}#float-index-list a.is-active{border-left-color:var(--fsi-color,#0eb2e7);color:var(--fsi-color,#0eb2e7);font-weight:600}@media (max-width:768px){#float-index{top:33%;left:10px;transform:none;width:auto;padding:8px;max-width:70vw;max-height:60vh;border-radius:8px}#float-index-toggle{display:inline-block;background:rgba(255,255,255,.7);color:#000;padding:6px 8px;border-radius:6px;border:1px solid rgba(0,0,0,.08);font-weight:600}#float-index.collapsed{background:rgba(255,255,255,.4);padding:6px}#float-index.collapsed #float-index-list{display:none}#float-index.collapsed #float-index-toggle{display:inline-block}#float-index[aria-expanded=true]{background:#fff}#float-index[aria-expanded=true] #float-index-list{display:block}}