:root{--primary-color:#005A9C;--secondary-color:#FFC107;--dark-color:#2c3e50;--light-color:#fff;--gray-color:#f4f4f4;--font-family:'Roboto',-apple-system,BlinkMacSystemFont,'Segoe UI',Arial,sans-serif}*{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font-family);line-height:1.8;color:var(--dark-color);background-color:#fafafa}.container{max-width:800px;margin:0 auto;padding:0 20px}.main-nav{background:var(--primary-color);padding:15px 0;box-shadow:0 2px 5px rgba(0,0,0,.1)}.main-nav .container{display:flex;justify-content:space-between;align-items:center;max-width:1100px}.main-nav .logo{font-size:1.3rem;font-weight:700;color:var(--light-color);text-decoration:none}.back-link{color:var(--light-color);text-decoration:none;font-size:.9rem;transition:opacity .3s}.back-link:hover{opacity:.8}.article-header{background:linear-gradient(135deg,var(--primary-color) 0%,#003d6e 100%);color:var(--light-color);padding:60px 20px 40px;text-align:center}.article-meta{display:flex;justify-content:center;gap:20px;font-size:.9rem;margin-bottom:20px;opacity:.9}.article-meta span{display:flex;align-items:center;gap:5px}.article-header h1{font-size:2.5rem;line-height:1.2;margin-bottom:20px;max-width:700px;margin-left:auto;margin-right:auto}.article-excerpt{font-size:1.2rem;opacity:.95;max-width:600px;margin:0 auto}.article-content{background:var(--light-color);padding:40px 20px;margin-top:-30px;border-radius:8px 8px 0 0;box-shadow:0 -2px 10px rgba(0,0,0,.05)}.article-content h2{color:var(--primary-color);font-size:1.8rem;margin:40px 0 20px;padding-bottom:10px;border-bottom:3px solid var(--secondary-color)}.article-content h3{color:var(--dark-color);font-size:1.4rem;margin:30px 0 15px}.article-content p{margin-bottom:20px;text-align:justify}.article-content ul,.article-content ol{margin:20px 0 20px 30px}.article-content li{margin-bottom:10px}.article-content a{color:var(--primary-color);text-decoration:none;font-weight:600}.article-content a:hover{text-decoration:underline}.highlight-box{background:var(--gray-color);border-left:4px solid var(--secondary-color);padding:20px;margin:30px 0;border-radius:4px}.highlight-box strong{color:var(--primary-color)}.cta-box{background:linear-gradient(135deg,var(--primary-color) 0%,#003d6e 100%);color:var(--light-color);padding:30px;text-align:center;border-radius:8px;margin:40px 0}.cta-box h3{margin-bottom:15px;font-size:1.5rem}.cta-box p{margin-bottom:20px;opacity:.9}.cta-box a{color:var(--light-color);text-decoration:underline}.cta-button{display:inline-block;background:#25D366;color:var(--light-color);padding:15px 40px;font-size:1.1rem;font-weight:700;text-decoration:none;border-radius:5px;transition:transform .3s,box-shadow .3s}.cta-button:hover{transform:translateY(-2px);box-shadow:0 4px 15px rgba(0,0,0,.2)}.price-table,.comparison-table,.fault-table,.schedule-table{width:100%;border-collapse:collapse;margin:20px 0}.price-table th,.comparison-table th,.fault-table th,.schedule-table th{background:var(--primary-color);color:var(--light-color);padding:12px;text-align:left}.price-table td,.comparison-table td,.fault-table td,.schedule-table td{padding:12px;border-bottom:1px solid #ddd}.price-table tr:hover,.comparison-table tr:hover,.fault-table tr:hover,.schedule-table tr:hover{background:var(--gray-color)}.warning-box{background:#fff3cd;border-left:4px solid #ffc107;padding:20px;margin:30px 0;border-radius:4px}.warning-box strong{color:#856404}.danger-box{background:#f8d7da;border-left:4px solid #dc3545;padding:20px;margin:30px 0;border-radius:4px}.danger-box strong{color:#721c24}.step-box{background:#e8f4f8;border-left:4px solid var(--primary-color);padding:20px;margin:20px 0;border-radius:4px}.article-tags{display:flex;flex-wrap:wrap;gap:10px;margin:30px 0;padding-top:30px;border-top:1px solid #ddd}.tag{background:var(--gray-color);padding:6px 15px;border-radius:20px;font-size:.85rem;color:var(--dark-color)}.related-articles{margin-top:40px;padding-top:40px;border-top:2px solid #ddd}.related-articles h3{margin-bottom:20px;color:var(--primary-color)}.related-link{display:block;padding:15px;background:var(--gray-color);margin-bottom:10px;border-radius:5px;text-decoration:none;color:var(--dark-color);transition:background .3s}.related-link:hover{background:#e8e8e8}footer{background:var(--dark-color);color:var(--light-color);padding:30px 0;text-align:center;margin-top:60px}footer a{color:var(--secondary-color);text-decoration:none}@media (max-width:768px){.article-header h1{font-size:1.8rem}.article-content{padding:30px 15px}.article-content h2{font-size:1.5rem}.price-table,.comparison-table,.fault-table,.schedule-table{font-size:.9rem}}