* { margin: 0; padding: 0; box-sizing: border-box; }
body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.8; color: #333; background: #f5f5f5; }
.top-nav { background: linear-gradient(135deg, #2c3e50 0%, #34495e 100%); padding: 18px 0; }
.nav-container { max-width: 1200px; margin: 0 auto; display: flex; justify-content: space-between; align-items: center; padding: 0 20px; }
.logo { font-size: 26px; font-weight: 700; color: white; text-decoration: none; }
.nav-menu { display: flex; gap: 25px; list-style: none; }
.nav-menu a { color: white; text-decoration: none; font-weight: 500; }
.container { max-width: 900px; margin: 35px auto; background: white; padding: 50px; border-radius: 8px; }
header { margin-bottom: 40px; text-align: center; }
.category { display: inline-block; background: #3498db; color: white; padding: 8px 20px; border-radius: 20px; font-size: 12px; font-weight: 700; text-transform: uppercase; letter-spacing: 1px; margin-bottom: 20px; }
h1 { font-size: 38px; color: #1a1a1a; margin-bottom: 15px; line-height: 1.3; font-weight: 700; }
.meta { color: #999; font-size: 14px; font-weight: 500; }
.featured-image { width: 100%; height: auto; margin: 35px 0; border-radius: 8px; }
.intro { font-size: 19px; color: #555; margin-bottom: 35px; padding: 30px; background: #f8f9fa; border-radius: 8px; border-left: 4px solid #3498db; }
h2 { font-size: 28px; color: #2c3e50; margin: 40px 0 20px 0; padding-bottom: 12px; border-bottom: 3px solid #ecf0f1; font-weight: 700; }
p { margin-bottom: 20px; text-align: justify; font-size: 17px; color: #2c2c2c; line-height: 1.8; }
.highlight-box { background: #e8f5e9; border-left: 4px solid #27ae60; padding: 30px; margin: 35px 0; border-radius: 8px; }
.highlight-box h3 { color: #27ae60; font-size: 22px; margin-bottom: 15px; font-weight: 700; }
.article-image { width: 100%; height: auto; margin: 30px 0; border-radius: 8px; }
footer { margin-top: 50px; padding-top: 30px; border-top: 3px solid #ecf0f1; color: #999; font-size: 14px; text-align: center; }
.winner-quote { font-style: italic; color: #555; padding: 25px 30px; margin: 30px 0; border-left: 5px solid #3498db; background: #f8f9fa; border-radius: 6px; font-size: 18px; }
.info-box { background: #fff3cd; border-left: 4px solid #ffc107; padding: 25px; margin: 30px 0; border-radius: 8px; }
.info-box h3 { color: #856404; font-size: 20px; margin-bottom: 12px; font-weight: 700; }
ul, ol { margin: 25px 0 25px 30px; }
li { margin-bottom: 12px; line-height: 1.8; }
@media (max-width: 768px) {
    .container { padding: 30px 25px; margin: 20px; }
    h1 { font-size: 30px; }
    h2 { font-size: 24px; }
    .intro { font-size: 17px; padding: 25px; }
    p { font-size: 16px; }
    .nav-container { flex-direction: column; gap: 15px; }
    .nav-menu { flex-wrap: wrap; justify-content: center; gap: 10px; }
}