.article-layout{display:flex;max-width:1200px;margin:120px auto 0;padding:20px;gap:40px;min-height:calc(100vh - 120px)}.article-sidebar{width:300px;flex-shrink:0}.sidebar-title{font-size:24px;font-weight:700;color:#1c1f23;margin-bottom:30px}.article-list{list-style:none}.article-item{padding:15px 0;border-bottom:1px solid #E5E5E5;cursor:pointer;transition:background-color .3s ease}.article-item:hover,.article-item.active{background-color:#f8f9fa;border-radius:6px;padding-left:10px;margin-left:-10px;margin-right:-10px}.article-item-title{font-size:16px;font-weight:600;color:#1c1f23;margin-bottom:5px;line-height:1.4}.article-item.active .article-item-title{color:#1c1f23}.article-content{flex:1;background-color:#fff;border-radius:8px;padding:40px;box-shadow:0 2px 10px #0000000d}.article-header{margin-bottom:30px}.article-title{font-size:32px;font-weight:700;color:#1c1f23;margin-bottom:15px;line-height:1.3}.article-date{color:#9b9b9b;font-size:14px;margin-bottom:30px}.article-section{margin-bottom:40px}.section-title{font-size:24px;font-weight:600;color:#1c1f23;margin-bottom:20px}.article-body{font-size:16px;line-height:1.6;color:#333}.article-body p{margin-bottom:20px}.article-body ul{margin-bottom:20px;padding-left:20px}.article-body li{margin-bottom:10px;line-height:1.6}.article-tags{margin-top:50px;padding-top:30px;border-top:1px solid #E5E5E5;display:flex;flex-wrap:wrap;gap:15px;align-items:center;justify-content:center}.tag{padding:8px 20px;border-radius:20px;font-size:14px;font-weight:500;text-decoration:none;transition:transform .3s ease}.tag:hover{transform:translateY(-2px)}.tag.all-content{background-color:#ffa726;color:#fff}.tag.category{background-color:#ab47bc;color:#fff}.tag.business{background-color:#ffa726;color:#fff}.tag.newsletter{background-color:#5c6bc0;color:#fff}.tag.news{background-color:#ff7043;color:#fff}.tag.updates{background-color:#424242;color:#fff}.tag.group{background-color:#9c27b0;color:#fff}@media(max-width:768px){.article-layout{flex-direction:column;gap:20px;padding:10px;margin-top:90px}.article-sidebar{width:100%}.article-content{padding:20px}.article-title{font-size:24px}}