body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.6; color: #333; max-width: 800px; margin: 0 auto; padding: 20px; background-color: #f9f9f9; }
nav { background: #2c3e50; padding: 1rem; border-radius: 8px; margin-bottom: 2rem; }
nav a { color: white; text-decoration: none; margin-right: 15px; font-weight: bold; }
nav a:hover { color: #1abc9c; }
.content { background: white; padding: 30px; border-radius: 8px; box-shadow: 0 2px 10px rgba(0,0,0,0.1); }
h1 { color: #2c3e50; }
.bilgi-karti { border-left: 5px solid #1abc9c; padding-left: 15px; margin-bottom: 30px; }