.v200-product-page {
        font-family: 'Segoe UI', Roboto, Arial, sans-serif;
        line-height: 1.7;
        color: #333;
        max-width: 1200px;
        margin: 0 auto;
        padding: 20px;
        background-color: #fff;
    }
    .v200-hero {
        background: linear-gradient(135deg, #1a3a5f 0%, #34495e 100%);
        color: white;
        padding: 60px 40px;
        border-radius: 20px;
        margin-bottom: 40px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 30px;
    }
    .v200-hero-text { flex: 1; min-width: 300px; }
    .v200-hero h1 { font-size: 2.6em; margin: 0 0 20px; line-height: 1.2; color: #fff; }
    .v200-summary { 
        background: rgba(255,255,255,0.1); 
        padding: 20px; 
        border-radius: 10px; 
        border-left: 4px solid #3498db;
        font-size: 1.05em;
    }
    .section-header { text-align: center; margin: 60px 0 40px; }
    .section-header h2 { font-size: 2.2em; color: #1a3a5f; margin-bottom: 10px; }
    .section-header::after { 
        content: ''; display: block; width: 50px; height: 3px; background: #3498db; margin: 10px auto; 
    }
    .info-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 25px;
        margin: 40px 0;
    }
    .info-card {
        padding: 30px;
        border-radius: 15px;
        background: #f8f9fa;
        border-bottom: 4px solid #eee;
        transition: all 0.3s ease;
    }
    .info-card:hover { transform: translateY(-5px); border-bottom-color: #3498db; box-shadow: 0 10px 20px rgba(0,0,0,0.05); }
    .info-card h3 { color: #1a3a5f; margin-top: 0; }
    .formula-box {
        background: #f0f7ff;
        padding: 30px;
        border-radius: 15px;
        margin: 40px 0;
        text-align: center;
        border: 1px dashed #3498db;
    }
    .comparison-table {
        width: 100%; border-collapse: collapse; margin: 40px 0; box-shadow: 0 0 20px rgba(0,0,0,0.05);
    }
    .comparison-table th { background: #1a3a5f; color: white; padding: 18px; text-align: left; }
    .comparison-table td { padding: 18px; border-bottom: 1px solid #eee; }
    .faq-container { margin-top: 60px; }
    .faq-item { background: #fff; border: 1px solid #eee; border-radius: 10px; padding: 25px; margin-bottom: 15px; }
    .faq-item strong { color: #1a3a5f; font-size: 1.1em; display: block; margin-bottom: 10px; }
    .cta-banner {
        text-align: center; background: #3498db; color: white; padding: 50px; border-radius: 20px; margin-top: 60px;
    }
    .cta-btn {
        display: inline-block; background: #fff; color: #3498db; padding: 15px 40px; 
        border-radius: 30px; text-decoration: none; font-weight: bold; margin-top: 20px;
    }
    @media (max-width: 768px) { .v200-hero { padding: 30px; } .v200-hero h1 { font-size: 1.8em; } }