.welcome-title{font-size:1.5em;padding-bottom:1rem;text-align:center}.welcome-sub-title{font-size:large;padding-bottom:.75rem;padding-top:1.5em}.article-container{margin:0 auto;max-width:1200px;padding:1rem}.header-container{align-items:center;display:flex;margin-bottom:1.5rem}.article-row{display:flex;flex-wrap:wrap;gap:1rem}.article-card{background-color:#fff;border-radius:8px;box-shadow:0 2px 4px rgba(0,0,0,.1);display:flex;flex:1 1 calc(25% - 1rem);flex-direction:column;max-width:calc(25% - 1rem);overflow:hidden;transition:transform .2s ease}.article-card img.article-thumbnail{height:auto;-o-object-fit:cover;object-fit:cover;width:100%}.article-content{padding:1rem}.article-title h3{color:#333;font-size:1.25rem;margin-bottom:.5rem}.article-intro p{color:#555;font-size:1rem}.article-date{color:#888;font-size:.875rem;margin-top:.5rem}@media (max-width:768px){.article-card{flex:1 1 calc(50% - 1rem);max-width:calc(50% - 1rem)}}@media (max-width:480px){.article-card{flex:1 1 100%;max-width:100%}}.download-link{font-weight:700;padding:10px 0 40px}