:root{--td-primary:#0052ff;--td-primary-hover:#0043d1;--td-text-dark:#1f2937;--td-text-light:#6b7280;--td-bg-light:#f9fafb;--td-border:#e5e7eb;--td-shadow-sm:0 1px 2px 0 rgba(0,0,0,.05);--td-shadow-md:0 4px 6px -1px rgba(0,0,0,.1),0 2px 4px -1px rgba(0,0,0,.06);--td-shadow-lg:0 10px 15px -3px rgba(0,0,0,.1),0 4px 6px -2px rgba(0,0,0,.05);--td-shadow-hover:0 20px 25px -5px rgba(0,0,0,.1),0 10px 10px -5px rgba(0,0,0,.04)}.td-kb-hero-search{text-align:center;padding:60px 20px;background-color:var(--td-bg-light);border-radius:16px;margin-bottom:40px}.td-kb-hero-title{font-size:36px;font-weight:700;color:var(--td-text-dark);margin-bottom:12px}.td-kb-hero-subtitle{font-size:18px;color:var(--td-text-light);margin-bottom:32px}.td-search-wrapper.pro-search{max-width:600px;margin:0 auto;position:relative;background:#fff;border-radius:50px;box-shadow:var(--td-shadow-md);transition:box-shadow .3s ease}.td-search-wrapper.pro-search:focus-within{box-shadow:var(--td-shadow-lg);border:1px solid var(--td-primary)}.td-search-wrapper.pro-search .td-search-icon{position:absolute;left:20px;top:50%;transform:translateY(-50%);color:#9ca3af}.td-search-wrapper.pro-search .td-search-input{width:100%;padding:20px 20px 20px 56px;border:none !important;border-radius:50px;font-size:16px;outline:none !important;background:0 0;color:var(--td-text-dark);box-shadow:none !important}.td-search-wrapper.pro-search .td-search-results{position:absolute;top:calc(100% + 10px);left:0;right:0;background:#fff;border-radius:12px;box-shadow:var(--td-shadow-lg);z-index:99;text-align:left;max-height:400px;overflow-y:auto;border:1px solid var(--td-border)}.td-kb-categories-grid{display:grid;gap:24px}.td-kb-categories-grid.td-grid-cols-2{grid-template-columns:repeat(2,1fr)}.td-kb-categories-grid.td-grid-cols-3{grid-template-columns:repeat(3,1fr)}.td-kb-categories-grid.td-grid-cols-4{grid-template-columns:repeat(4,1fr)}@media (max-width:992px){.td-kb-categories-grid.td-grid-cols-3,.td-kb-categories-grid.td-grid-cols-4{grid-template-columns:repeat(2,1fr)}}@media (max-width:768px){.td-kb-categories-grid[class*=td-grid-cols-]{grid-template-columns:1fr}}.td-kb-category-card{display:flex;flex-direction:column;align-items:center;text-align:center;padding:40px 20px;background:#fff;border-radius:16px;border:1px solid var(--td-border);text-decoration:none;box-shadow:var(--td-shadow-sm);transition:all .3s ease}.td-kb-category-card:hover{transform:translateY(-5px);box-shadow:var(--td-shadow-hover);border-color:transparent}.td-cat-icon{width:64px;height:64px;background:rgba(0,82,255,.1);color:var(--td-primary);border-radius:16px;display:flex;align-items:center;justify-content:center;margin-bottom:20px;transition:all .3s ease}.td-cat-icon svg{width:28px;height:28px;fill:currentColor}.td-cat-icon i{font-size:28px}.td-kb-category-card:hover .td-cat-icon{background:var(--td-primary);color:#fff}.td-cat-title{font-size:20px;font-weight:600;color:var(--td-text-dark);margin:0 0 8px}.td-cat-count{font-size:14px;color:var(--td-text-light);font-weight:500}.td-kb-pro-sidebar{background:#fff;padding:24px;border-radius:12px;border:1px solid var(--td-border)}.td-sidebar-title{font-size:18px;font-weight:700;color:var(--td-text-dark);margin-bottom:20px;padding-bottom:12px;border-bottom:1px solid var(--td-border)}.td-pro-menu-group{margin-bottom:12px}.td-pro-menu-category{font-size:15px;font-weight:600;color:var(--td-text-dark);margin:0;padding:10px 12px;cursor:pointer;border-radius:6px;display:flex;justify-content:space-between;align-items:center;transition:background .2s}.td-pro-menu-category:hover,.td-pro-menu-category.active{background:var(--td-bg-light);color:var(--td-primary)}.td-pro-menu-posts{list-style:none;padding:0;margin:8px 0 0 16px;border-left:1px solid var(--td-border)}.td-pro-menu-posts li{margin-bottom:4px}.td-pro-post-link{display:block;padding:6px 12px;font-size:14px;color:var(--td-text-light);text-decoration:none;border-radius:0 6px 6px 0;border-left:2px solid transparent;margin-left:-1px;transition:all .2s}.td-pro-post-link:hover,.td-pro-post-link.current{color:var(--td-primary);background:rgba(0,82,255,.05);border-left-color:var(--td-primary)}.td-search-result-item{padding:12px 20px;display:block;text-decoration:none;color:var(--td-text-dark);border-bottom:1px solid var(--td-border)}.td-search-result-item:last-child{border-bottom:none}.td-search-result-item:hover{background:var(--td-bg-light);color:var(--td-primary)}.td-kb-spa-container{position:relative;min-height:200px}#td-kb-spa-loader{position:absolute;top:50px;left:50%;transform:translateX(-50%);text-align:center;z-index:10}.td-spinner{width:40px;height:40px;border:4px solid rgba(0,82,255,.2);border-top:4px solid var(--td-primary);border-radius:50%;animation:td-spin 1s linear infinite}@keyframes td-spin{0%{transform:rotate(0deg)}100%{transform:rotate(360deg)}}.td-kb-spa-header{margin-bottom:24px}.td-kb-spa-back-btn{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--td-border);color:var(--td-text-dark);padding:8px 16px;border-radius:50px;font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;box-shadow:var(--td-shadow-sm)}.td-kb-spa-back-btn:hover{background:var(--td-bg-light);color:var(--td-primary);border-color:var(--td-primary)}.td-kb-spa-category-view,.td-kb-spa-article-view{background:#fff;padding:40px;border-radius:16px;border:1px solid var(--td-border);box-shadow:var(--td-shadow-sm)}.td-spa-title{font-size:32px;font-weight:700;color:var(--td-text-dark);margin-top:0;margin-bottom:32px;padding-bottom:16px;border-bottom:1px solid var(--td-border)}.td-spa-article-list{list-style:none;padding:0;margin:0}.td-spa-article-list li{margin-bottom:16px}.td-spa-article-list li a{display:flex;align-items:center;padding:16px 20px;background:var(--td-bg-light);border-radius:8px;color:var(--td-text-dark);text-decoration:none;font-weight:500;transition:all .2s ease;border:1px solid transparent}.td-spa-article-list li a:before{content:"📄";margin-right:12px;font-size:18px}.td-spa-article-list li a:hover{background:#fff;color:var(--td-primary);border-color:var(--td-primary);box-shadow:var(--td-shadow-sm);transform:translateX(4px)}.td-spa-content{font-size:16px;line-height:1.8;color:#374151}.td-spa-content h2,.td-spa-content h3{color:var(--td-text-dark);margin-top:32px}.td-kb-spa-layout{display:flex;gap:32px;align-items:flex-start}.td-kb-spa-sidebar-col{width:300px;flex-shrink:0}.td-kb-spa-content-col{flex-grow:1;min-width:0}.td-margin-bottom{margin-bottom:24px}.td-spa-navigation{display:flex;justify-content:space-between;margin-top:48px;padding-top:32px;border-top:1px solid var(--td-border);gap:24px}.td-spa-nav-btn{display:flex;flex-direction:column;padding:16px 24px;background:var(--td-bg-light);border-radius:12px;text-decoration:none;border:1px solid transparent;transition:all .2s ease;flex:1}.td-spa-nav-prev{align-items:flex-start}.td-spa-nav-next{align-items:flex-end;text-align:right}.td-spa-nav-btn:hover{background:#fff;border-color:var(--td-primary);box-shadow:var(--td-shadow-md);transform:translateY(-2px)}.td-nav-label{font-size:13px;text-transform:uppercase;letter-spacing:.5px;color:var(--td-text-light);margin-bottom:8px;font-weight:600}.td-nav-title{font-size:16px;font-weight:600;color:var(--td-primary)}@media (max-width:992px){.td-kb-spa-layout{flex-direction:column}.td-kb-spa-sidebar-col{width:100%;margin-bottom:24px}}@media (max-width:576px){.td-spa-navigation{flex-direction:column}.td-spa-nav-next{align-items:flex-start;text-align:left}}