.rt-wrapper{align-items:flex-start;display:flex;gap:40px}.rt-left{flex:1;min-width:0}.rt-right{position:relative;width:300px}.rt-sticky{background:#fff;border:1px solid #eee;border-radius:12px;padding:20px;position:relative}.rt-title{font-size:18px;font-weight:600;margin-bottom:15px}.rt-toc-list{list-style:none;margin:0;padding:0}.rt-toc-list li{margin-bottom:10px}.rt-toc-list a{border-left:2px solid #eee;color:#333;display:block;font-size:14px;padding-left:10px;text-decoration:none;transition:.3s}.rt-toc-list a.active{border-left:2px solid #3384ff;color:#3384ff;font-weight:600}.rt-toc-list a.h3{font-size:13px;padding-left:20px}@media (max-width:992px){.rt-wrapper{flex-direction:column}.rt-right{width:100%}}