.articles_grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(300px,1fr));gap:20px;margin-bottom:30px}.articles_card{border:1px solid #e0e0e0;border-radius:5px;overflow:hidden;transition:transform .2s ease,box-shadow .2s ease;background-color:#fff}.articles_card:hover{box-shadow:0 5px 15px rgba(0,0,0,.1)}.articles_image{position:relative;overflow:hidden}.articles_image img,.articles_image_main{width:100%;height:auto;display:block;transition:transform .3s ease}.articles_content{padding:15px}.articles_title{font-size:18px;font-weight:600;margin:0;color:#333;line-height:1.4}.articles_title a{color:inherit;text-decoration:none}.articles_title a:hover{color:#2196f3}.articles_empty{margin:20px 0}.articles_categories_list{list-style:none;padding:0;margin:0}.articles_categories_item{margin-bottom:8px}.articles_categories_link{display:block;padding:8px 10px;text-decoration:none;color:#555;border-radius:4px;transition:background-color .2s}.articles_categories_link:hover{background-color:#f0f0f0}.articles_categories_active .articles_categories_link{background-color:#e3f2fd;color:#2196f3;font-weight:600}.sidebar-ad-section{position:sticky;top:70px;align-self:flex-start;height:fit-content;margin-top:20px}.sidebar-label{position:sticky;top:80px;margin-top:20px}@media(max-width:768px){.articles_grid{grid-template-columns:1fr}}