.toc-container{background:var(--white);border:1px solid #e5e7eb;border-radius:8px;max-height:calc(100vh - 40px);margin-top:20px;position:sticky;top:20px;overflow:hidden;box-shadow:0 1px 3px #7575751a}.toc-header{cursor:pointer;-webkit-user-select:none;user-select:none;background:#f9fafb;border-bottom:1px solid #e5e7eb;justify-content:space-between;align-items:center;padding:16px 20px;display:flex}.toc-header:hover{background:#f3f4f6}.toc-header h4{color:var(--primary);margin:0;font-size:16px;font-weight:600}.toc-arrow{color:#6b7280;font-size:12px;transition:transform .2s}.toc-arrow.open{transform:rotate(180deg)}.toc-content{max-height:400px;overflow-y:auto}.toc-list{margin:0;padding:0;list-style:none}.toc-item{cursor:pointer;color:#4b5563;border-bottom:1px solid #f3f4f6;padding:12px 20px;font-size:14px;line-height:1.5;transition:all .2s;position:relative}.toc-item:hover{color:#1f2937;background:#f3f4f6}.toc-item.active{color:var(--orange);border-left:3px solid var(--orange);background:#fffdfa;font-weight:500}.toc-item.level-2{padding-left:20px;font-weight:500}.toc-item.level-3{color:#6b7280;padding-left:36px;font-size:13px}.toc-item.level-3:hover{color:#374151}.toc-item:last-child{border-bottom:none}.toc-content::-webkit-scrollbar{width:4px}.toc-content::-webkit-scrollbar-track{background:#f1f5f9}.toc-content::-webkit-scrollbar-thumb{background:#cbd5e1;border-radius:4px}.toc-content::-webkit-scrollbar-thumb:hover{background:#94a3b8}@media (max-width:1024px){.toc-container{max-height:none;position:relative;top:0}.toc-content{max-height:300px}}@media (max-width:768px){.toc-container{margin-top:15px}.toc-header{padding:12px 16px}.toc-item{padding:10px 16px;font-size:13px}.toc-item.level-3{padding-left:28px;font-size:12px}}
.right-sidebar{flex-direction:column;gap:20px;display:flex}.right-sidebar .back-button{margin-bottom:10px}.right-sidebar .back-link{background-color:var(--green);color:var(--white);border-radius:5px;align-items:center;gap:8px;padding:10px 16px;font-size:14px;font-weight:500;text-decoration:none;transition:background-color .3s;display:inline-flex}.right-sidebar .back-link:hover{background-color:var(--dark-green)}.right-sidebar .details{padding:13px 0 0}.right-sidebar .details h4{font-size:23px;font-weight:400;line-height:23px}.right-sidebar .details hr{margin:10px 0}.right-sidebar .details ul{margin-bottom:5px;font-size:14px}@media (max-width:768px){.right-sidebar .details ul{flex-direction:row}}.right-sidebar .author-details{background-color:var(--bg);border-radius:5px;padding:30px}.right-sidebar .author-details img{object-fit:cover;object-position:top;border-radius:60px;width:80px;height:80px}.right-sidebar .author-details h4{flex-direction:row}.right-sidebar .share{padding:10px 0}.right-sidebar .share h4{font-size:21px;font-weight:400;line-height:25px}.right-sidebar .share img{cursor:pointer;width:20px;transition:transform .2s}.right-sidebar .share img:hover{transform:scale(1.1)}@media (max-width:768px){.right-sidebar .share{flex-direction:row}}.right-sidebar .cta-banner{background-color:var(--bg);border-radius:5px;padding:30px}.right-sidebar .cta-banner h4{margin-bottom:10px;font-size:22px;line-height:26px}.right-sidebar .cta-banner .cta-button.orange-btn{width:-webkit-fill-available}@media (max-width:768px){.right-sidebar{width:100%}.right-sidebar .author-details,.right-sidebar .cta-banner{padding:20px}}