.ratgeber-hub { max-width: 1200px; margin: 40px auto; padding: 20px; }
.ratgeber-hero { background: linear-gradient(135deg, #2c3e50, #34495e); color: white; padding: 60px 40px; border-radius: 8px; margin-bottom: 50px; text-align: center; }
.ratgeber-hero h1 { font-size: 2.5em; margin-bottom: 15px; font-weight: 700; }
.ratgeber-hero p { font-size: 1.1em; opacity: 0.9; margin: 0; }
.ratgeber-categories { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; margin: 50px 0; }
.ratgeber-category { background: #f8f9fa; border-left: 4px solid #2c3e50; padding: 25px; border-radius: 6px; transition: box-shadow 0.3s ease; }
.ratgeber-category:hover { box-shadow: 0 4px 12px rgba(0,0,0,0.1); }
.ratgeber-category h2 { color: #2c3e50; margin-top: 0; font-size: 1.5em; margin-bottom: 20px; }
.ratgeber-category h3 { color: #34495e; font-size: 0.9em; text-transform: uppercase; letter-spacing: 1px; margin-top: 25px; margin-bottom: 15px; border-bottom: 2px solid #ecf0f1; padding-bottom: 10px; }
.ratgeber-articles { list-style: none; padding: 0; margin: 0; }
.ratgeber-articles li { margin-bottom: 12px; }
.ratgeber-articles a { color: #2980b9; text-decoration: none; font-weight: 500; transition: color 0.2s; }
.ratgeber-articles a:hover { color: #3498db; text-decoration: underline; }
.ratgeber-cta { background: #ecf0f1; padding: 40px; border-radius: 8px; text-align: center; margin-top: 50px; }
.ratgeber-cta h2 { color: #2c3e50; margin-top: 0; }
.ratgeber-cta .button { background: #2c3e50; color: white; padding: 12px 30px; border-radius: 4px; text-decoration: none; font-weight: 600; display: inline-block; transition: background 0.3s; }
.ratgeber-cta .button:hover { background: #34495e; }
.tier-label { display: inline-block; font-size: 0.75em; padding: 4px 8px; border-radius: 3px; margin-left: 8px; font-weight: 600; }
.tier-easy { background: #d4edda; color: #155724; }
.tier-medium { background: #fff3cd; color: #856404; }
.tier-hard { background: #f8d7da; color: #721c24; }