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.contact-email:hover{opacity:.7}.product-page .toc-sidebar{position:fixed;left:20px;top:35%;transform:translateY(-50%);z-index:1000;background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);padding:12px 8px;border-radius:10px;border:1px solid rgba(0,255,133,.3)}.product-page .toc-list{list-style:none;margin:0;padding:0}.product-page .toc-item{margin-bottom:15px}.product-page .toc-item:last-child{margin-bottom:0}.product-page .toc-link{color:#fff;text-decoration:none;font-size:.9rem;display:block;padding:8px 12px;border-radius:5px;transition:all .3s;cursor:pointer}.product-page .toc-link:hover{background:#00ff8533;color:#00ff85}.product-page .toc-link.active{background:#00ff854d;color:#00ff85}.product-page .toc-link.disabled{color:gray;opacity:.8;cursor:pointer}.product-page .toc-link.disabled:hover{background:#00ff8533;color:#00ff85}.product-page .toc-link.disabled.active{background:transparent;color:gray}.product-page .sidebar-buttons{position:fixed;left:20px;z-index:1001;display:flex;flex-direction:column;gap:15px;align-items:flex-start}.product-page .home-button,.product-page .go-to-app-button{background:#000c;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border:1px solid rgba(0,255,133,.3);border-radius:10px;padding:12px 15px;text-decoration:none;color:#fff;font-size:.9rem;display:flex;align-items:center;justify-content:center;transition:all .3s;cursor:pointer;width:120px}.product-page .home-button{border:none;width:50px;height:50px;padding:0;border-radius:50%}.product-page .home-icon{width:28px;height:28px;fill:#fff}.product-page .home-button:hover{background:#00ff854d;color:#00ff85;border:none}.product-page .go-to-app-button:hover{background:#00ff8533;color:#00ff85;border-color:#00ff8580}.product-page .go-to-app-button{background:#00ff85;color:#000;font-weight:600;border-radius:30px;padding:6px 12px;font-size:.8rem;width:100px}.product-page 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