.promotion-card{transition:transform .2s ease-in-out}.promotion-card:hover{transform:translateY(-2px)}.promotion-badge{background:linear-gradient(45deg,#ff6b6b,#ff8e8e)}.promotion-badge,.promotion-sponsored-badge{border:none;font-weight:600;text-shadow:0 1px 2px rgba(0,0,0,.1)}.promotion-sponsored-badge{background:linear-gradient(45deg,#28a745,#34ce57)}.promotion-category-link{color:#6c757d;font-weight:500;letter-spacing:.5px;transition:color .2s ease}.promotion-category-link:hover{color:#0d6efd;text-decoration:none}.promotion-title{font-weight:600;line-height:1.3;transition:color .2s ease}.promotion-title:hover{color:#0d6efd}.promotion-description{color:#6c757d;line-height:1.5;display:-webkit-box;-webkit-line-clamp:3;line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}.promotion-author{transition:color .2s ease}.promotion-author:hover{color:#0d6efd}.promotion-sidebar{background:#f8f9fa;border-radius:.5rem;padding:1.5rem}.promotion-search{border:2px solid #e9ecef;border-radius:.5rem;transition:border-color .2s ease,box-shadow .2s ease}.promotion-search:focus{border-color:#0d6efd;box-shadow:0 0 0 .2rem rgba(13,110,253,.25)}.promotion-tag:hover{transform:translateY(-1px)}.promotion-newsletter{background:linear-gradient(135deg,#667eea,#764ba2);color:white;border-radius:.5rem;padding:1.5rem}.promotion-newsletter .form-control{background-color:rgba(255,255,255,.9);border:none;border-radius:2rem}.promotion-newsletter .btn-primary{background:linear-gradient(45deg,#ff6b6b,#ff8e8e);border:none;border-radius:2rem;font-weight:600;transition:transform .2s ease}.promotion-newsletter .btn-primary:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.2)}@media (max-width:991.98px){.promotion-sidebar{background:white;border:1px solid #dee2e6;margin-bottom:1rem}.promotion-card{margin-bottom:1.5rem}}.promotion-loading{display:flex;justify-content:center;align-items:center;min-height:400px}.promotion-spinner{width:3rem;height:3rem;border:.3rem solid #f3f3f3;border-top-color:#0d6efd;border-radius:50%;animation:spin 1s linear infinite}@keyframes spin{0%{transform:rotate(0deg)}to{transform:rotate(1turn)}}.promotion-empty{text-align:center;padding:3rem 1rem;color:#6c757d}.promotion-empty h3{color:#495057;margin-bottom:1rem}.promotion-pagination .page-link{border:1px solid #dee2e6;color:#0d6efd;transition:all .2s ease}.promotion-pagination .page-link:hover{color:white}.promotion-pagination .page-item.active .page-link,.promotion-pagination .page-link:hover{background-color:#0d6efd;border-color:#0d6efd}.promotion-card-hover{transition:all .3s ease;border:1px solid transparent}.promotion-card-hover:hover{border-color:#0d6efd;box-shadow:0 4px 12px rgba(13,110,253,.15)}.promotion-content{line-height:1.7;color:#495057}.promotion-content h1,.promotion-content h2,.promotion-content h3,.promotion-content h4,.promotion-content h5,.promotion-content h6{margin-top:2rem;margin-bottom:1rem;font-weight:600;color:#212529}.promotion-content p{margin-bottom:1.5rem}.promotion-content blockquote{border-left:4px solid #0d6efd;margin:2rem 0;font-style:italic;background-color:#f8f9fa;padding:1.5rem;border-radius:.5rem}.promotion-content blockquote footer{margin-top:1rem;font-size:.9rem;color:#6c757d}.promotion-content ol,.promotion-content ul{margin-bottom:1.5rem;padding-left:2rem}.promotion-content li{margin-bottom:.5rem}.promotion-content img{max-width:100%;height:auto;border-radius:.5rem;margin:1.5rem 0}.promotion-meta{border-bottom:1px solid #dee2e6;padding-bottom:1rem;margin-bottom:2rem}.promotion-meta .border-end{border-color:#dee2e6!important}.promotion-tags-share{border-top:1px solid #dee2e6;padding-top:2rem;margin-top:2rem}.promotion-tag{transition:all .2s ease;border:1px solid #dee2e6;color:#6c757d}.promotion-tag:hover{background-color:#0d6efd;border-color:#0d6efd;color:white;text-decoration:none}.promotion-share-btn{transition:all .2s ease}.promotion-share-btn:hover{transform:translateY(-1px);box-shadow:0 4px 8px rgba(0,0,0,.15)}.promotion-related{margin-top:3rem;padding-top:2rem}.promotion-related h2{color:#212529;font-weight:600;margin-bottom:1rem}.promotion-related .btn-link{color:#0d6efd;text-decoration:none;font-weight:500}.promotion-related .btn-link:hover{color:#0a58ca;text-decoration:underline}.promotion-related article{transition:transform .2s ease}.promotion-related article:hover{transform:translateY(-2px)}.promotion-related .nav-link{color:#212529;font-weight:500;line-height:1.4}.promotion-related .nav-link:hover{color:#0d6efd}@media (max-width:768px){.promotion-content{font-size:.95rem}.promotion-content h1,.promotion-content h2,.promotion-content h3{font-size:1.5rem}.promotion-meta{flex-direction:column;align-items:flex-start!important}.promotion-meta .border-end{border-right:none!important;border-bottom:1px solid #dee2e6;margin-bottom:.5rem;padding-bottom:.5rem}.promotion-tags-share{flex-direction:column;align-items:flex-start!important}.promotion-tags-share>div:first-child{margin-bottom:1rem}}.image-placeholder{display:flex;align-items:center;justify-content:center;background-color:#f8f9fa;color:#6c757d}.image-placeholder i{font-size:2rem;opacity:.5}.image-placeholder.large i{font-size:4rem}.image-placeholder.small i{font-size:1.5rem}