.post-header{background:linear-gradient(rgb(255 255 255 / 70%),rgb(226 226 226 / 70%));background-size:cover;background-position:center;padding:120px 0;color:#00008b}.post-content{font-size:1.1rem;line-height:1.8;color:#444}.post-meta{border-bottom:1px solid #eee;padding-bottom:1rem;margin-bottom:2rem}.sidebar-card{border:none;border-radius:8px;box-shadow:0 2px 15px rgba(0,0,0,.1);margin-bottom:25px}.recent-post{padding:15px 0;border-bottom:1px solid #eee}.recent-post:last-child{border:none}.category-link{display:block;padding:8px 15px;color:#444;transition:all .3s;border-radius:4px}.category-link:hover{background:#f8f9fa;text-decoration:none;color:#007bff}