* { margin:0; padding:0; box-sizing:border-box; }
body { font-family: Arial, sans-serif; background: #f5f5f5; color: #333; }
.container { max-width:1100px; margin:0 auto; padding:0 20px; }
header { background:#0C4B33; color:#fff; padding:15px 0; }
.header-inner { display:flex; justify-content:space-between; align-items:center; }
.logo a { color:#fff; font-size:24px; text-decoration:none; }
nav ul { list-style:none; display:flex; gap:20px; }
nav ul li a { color:#fff; text-decoration:none; }
main { padding:30px 0; }
.row { display:flex; gap:30px; }
.col-main { flex:2; }
.col-sidebar { flex:1; }
.search-box { background:#fff; padding:15px; border-radius:8px; margin-bottom:20px; display:flex; gap:10px; }
.search-box input { flex:1; padding:8px; border:1px solid #ddd; border-radius:4px; }
.search-box button { padding:8px 20px; background:#0C4B33; color:#fff; border:0; border-radius:4px; cursor:pointer; }
.grid-articles { display:grid; grid-template-columns:repeat(auto-fill,minmax(280px,1fr)); gap:20px; }
.article-card { background:#fff; border-radius:8px; overflow:hidden; box-shadow:0 2px 6px rgba(0,0,0,0.08); }
.cover-thumb { width:100%; height:180px; object-fit:cover; }
.no-cover { height:180px; background:#eee; display:flex; align-items:center; justify-content:center; color:#aaa; }
.card-body { padding:15px; }
.card-body h2 { font-size:18px; margin-bottom:5px; }
.card-body h2 a { color:#0C4B33; text-decoration:none; }
.meta { color:#999; font-size:13px; margin-bottom:8px; }
.read-more { color:#0C4B33; text-decoration:none; font-weight:bold; }
.detail { background:#fff; padding:30px; border-radius:8px; }
.detail-cover { max-width:100%; max-height:400px; object-fit:contain; margin-bottom:20px; }
.content { line-height:1.8; margin:20px 0; }
.comments { margin-top:30px; border-top:1px solid #eee; padding-top:20px; }
.comment { background:#f9f9f9; padding:10px; margin-bottom:10px; border-radius:4px; }
.comment strong { margin-right:15px; }
.comment span { color:#999; font-size:12px; }
.form-control { width:100%; padding:8px; border:1px solid #ddd; border-radius:4px; margin-bottom:10px; }
.btn-submit { background:#0C4B33; color:#fff; border:0; padding:10px 30px; border-radius:4px; cursor:pointer; }
footer { background:#0C4B33; color:rgba(255,255,255,0.7); text-align:center; padding:20px 0; margin-top:30px; }
.widget { background:#fff; padding:15px; border-radius:8px; margin-bottom:20px; }
.widget h3 { border-bottom:2px solid #0C4B33; padding-bottom:5px; margin-bottom:10px; }
.widget ul { list-style:none; }
.widget ul li { padding:5px 0; border-bottom:1px solid #eee; }
.widget ul li a { color:#333; text-decoration:none; }
.widget ul li a:hover { color:#0C4B33; }
@media (max-width:700px){ .row{flex-direction:column;} .grid-articles{grid-template-columns:1fr;} }