.toc-item-active>a{@apply text-red-600 font-semibold bg-red-50}.toc-item-active .toc-progress{@apply bg-red-500}.toc-smart-floating{position:fixed;right:2rem;top:50%;transform:translateY(-50%);z-index:40;opacity:0;transition:opacity .3s ease;pointer-events:none;overflow:visible}.toc-smart-floating.visible{opacity:1;pointer-events:auto}.toc-smart-floating-inner{@apply flex flex-col items-end space-y-1;background:rgba(255,255,255,.95);padding:16px 12px;border-radius:12px;box-shadow:0 8px 24px rgba(0,0,0,.15);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.8);max-height:80vh;overflow-y:auto;overflow-x:hidden;scrollbar-width:thin;scrollbar-color:#cbd5e1 transparent}.toc-smart-floating-inner::-webkit-scrollbar{width:6px}.toc-smart-floating-inner::-webkit-scrollbar-track{background:0 0;border-radius:3px}.toc-smart-floating-inner::-webkit-scrollbar-thumb{background-color:#cbd5e1;border-radius:3px}.toc-smart-floating-inner::-webkit-scrollbar-thumb:hover{background-color:#94a3b8}.toc-smart-tooltip-container{position:absolute;right:100%;top:0;pointer-events:none;z-index:10000}.toc-smart-tooltip{content:attr(data-title);position:absolute;right:calc(100% + 8px);top:50%;opacity:0;transition:opacity .2s ease;transform:scale(2,2)translateZ(0)translateX(-25%);background-color:#1f2937;color:#fff;font-size:.75rem;padding:4px 8px;border-radius:4px;white-space:nowrap;margin-right:8px;pointer-events:none;border-radius:6px;box-shadow:0 8px 24px rgba(0,0,0,.15);backdrop-filter:blur(8px);border:1px solid rgba(255,255,255,.8)}.toc-smart-floating-item{@apply relative cursor-pointer transition-all duration-300;width:24px;height:8px;background-color:#d1d5db;border-radius:2px;margin:2px 0;transition:transform .3s cubic-bezier(.4,0,.2,1),background-color .3s ease;transform:translateZ(0);will-change:transform;flex-shrink:0}.toc-smart-floating-item:hover{width:120px;height:24px;background-color:#f3f4f6;border-radius:4px}.toc-smart-floating-item.active{background-color:#55bc8f;width:32px;height:8px}.toc-smart-floating-item.active:hover{width:120px;height:24px;background-color:#fef2f2}.toc-smart-floating-item.active:hover::after{background-color:#55bc8f}.toc-smart-floating-item.level-2{width:24px;background-color:#9ca3af}.toc-smart-floating-item.level-3{width:20px;background-color:#d1d5db;margin-left:4px}.toc-smart-floating-item.level-4{width:16px;background-color:#e5e7eb;margin-left:8px}.toc-smart-floating-item.active.level-2{width:32px;background-color:#55bc8f}.toc-smart-floating-item.active.level-3{width:26px;background-color:#55bc8f}.toc-smart-floating-item.active.level-4{width:20px;background-color:#55bc8f}@media(max-width:1023px){.toc-smart-floating{display:none !important}}html{scroll-behavior:smooth}