:root{--primary-color: #007bff;--secondary-color: #6c757d;--background-color: #f8f9fa;--card-background-color: #ffffff;--text-color: #212529;--border-color: #dee2e6;--border-radius: 8px;--box-shadow: 0 4px 6px rgba(0, 0, 0, .1)}body{font-family:Noto Sans KR,sans-serif;margin:0;background-color:var(--background-color);color:var(--text-color);line-height:1.6}#root{max-width:1200px;margin:0 auto;padding:20px}.app-container{width:100%}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border-width:0}.header{padding-bottom:20px;border-bottom:2px solid var(--border-color);margin-bottom:30px;text-align:center}.header h1{font-size:2.5rem;font-weight:700;margin:0 0 20px;cursor:pointer}.category-nav{display:flex;justify-content:center;gap:15px;flex-wrap:wrap}.category-button{background-color:transparent;border:1px solid var(--border-color);border-radius:20px;padding:8px 20px;font-size:1rem;font-weight:500;cursor:pointer;transition:all .3s ease}.category-button:hover{background-color:var(--secondary-color);color:#fff;border-color:var(--secondary-color)}.category-button.active{background-color:var(--primary-color);color:#fff;border-color:var(--primary-color)}.article-list-container{display:grid;gap:30px}.headline-article{grid-column:1 / -1;cursor:pointer;border-radius:var(--border-radius);overflow:hidden;box-shadow:var(--box-shadow);background-color:var(--card-background-color);transition:transform .3s ease}.headline-article:hover{transform:translateY(-5px)}.headline-article img{width:100%;height:400px;object-fit:cover}.headline-content{padding:25px}.headline-content h2{font-size:2rem;margin:0 0 10px}.headline-content p{font-size:1.1rem;color:var(--secondary-color);margin:0}.article-grid{display:grid;grid-template-columns:1fr 1fr;gap:30px}@media(max-width:768px){.article-grid{grid-template-columns:1fr}.headline-article img{height:250px}}.article-card{display:flex;flex-direction:column;cursor:pointer;background-color:var(--card-background-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow);transition:transform .3s ease;overflow:hidden}.article-card:hover{transform:translateY(-5px)}.article-card img{width:100%;height:180px;object-fit:cover;order:-1}.article-card-content{padding:15px}.article-card-content h3{font-size:1.1rem;margin:0;font-weight:500;line-height:1.4;height:2.8em;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.article-detail-container{padding:20px;background-color:var(--card-background-color);border-radius:var(--border-radius);box-shadow:var(--box-shadow)}.article-detail-header img{width:100%;max-height:500px;object-fit:cover;border-radius:var(--border-radius);margin-bottom:20px}.article-detail-header h1{font-size:2.8rem;font-weight:700;margin:0 0 10px}.article-meta{display:flex;justify-content:space-between;align-items:center;font-size:.9rem;color:var(--secondary-color);margin-bottom:30px}.share-button{padding:6px 12px;border:1px solid var(--primary-color);background-color:transparent;color:var(--primary-color);border-radius:20px;cursor:pointer;font-size:.85rem;font-weight:500;transition:all .2s ease-in-out}.share-button:hover{background-color:var(--primary-color);color:#fff}.article-body{font-size:1.1rem;line-height:1.8}.article-body p{margin:0 0 1.5em}.other-articles-section{margin-top:50px;padding-top:30px;border-top:1px solid var(--border-color)}.other-articles-section h2{font-size:1.5rem;margin-bottom:20px}.other-articles-list{list-style:none;padding:0;margin:0}.other-article-item{display:flex;justify-content:space-between;align-items:center;padding:15px 10px;border-bottom:1px solid var(--border-color);cursor:pointer;transition:background-color .2s ease}.other-article-item:last-child{border-bottom:none}.other-article-item:hover{background-color:var(--background-color)}.other-article-title{font-weight:500;margin-right:20px}.other-article-date{font-size:.9rem;color:var(--secondary-color);flex-shrink:0}