.custom-toc-container{background-color:#f8f9fa;border-left:4px solid #111;padding:16px;margin:24px 0;border-radius:4px;box-shadow:0 1px 3px rgb(0 0 0 / .05);box-sizing:border-box;width:100%}#toc-toggle{display:none}.custom-toc-title{font-size:1.15rem;font-weight:600;color:#111;display:flex;justify-content:space-between;align-items:center;cursor:pointer;user-select:none;padding:4px 0}.toc-toggle-icon::after{content:'▲';font-size:.75rem;color:#666;transition:transform 0.2s ease}#toc-toggle:not(:checked)~.toc-toggle-icon::after{transform:rotate(180deg)}.custom-toc-list{list-style-type:none;padding-left:0;margin:12px 0 0 0;transition:max-height 0.3s ease-in-out,opacity 0.2s ease-in-out,margin 0.3s ease;max-height:1000px;opacity:1;overflow:hidden}#toc-toggle:not(:checked)~.custom-toc-list{max-height:0;opacity:0;margin-top:0;pointer-events:none}.custom-toc-list li{margin-bottom:0;border-bottom:1px solid #eee}.custom-toc-list li:last-child{border-bottom:none}.custom-toc-list li a{text-decoration:none;color:#333;display:block;padding:12px 8px;font-size:1rem;line-height:1.4;transition:background-color 0.15s ease,color 0.15s ease}@media (hover:hover){.custom-toc-list li a:hover{color:#000;background-color:#f1f3f5;border-radius:4px}}.custom-toc-list li a:active{background-color:#e9ecef}@media screen and (max-width:768px){.custom-toc-container{padding:14px;margin:20px 0}.custom-toc-title{font-size:1.1rem}.custom-toc-list li a{padding:14px 8px;font-size:1.05rem}}