.tech-bg{background:#0f172a;color:#fff}
        .param-card{border-radius:12px;box-shadow:0 4px 16px rgba(0,0,0,0.08)}
        .cta-block{background:linear-gradient(135deg,#165dff,#003399)}
        h1,h2,h3,h4{font-weight:600}
        .faq-item{border:1px solid #eee;border-radius:8px;margin-bottom:12px}
        .breadcrumb a{text-decoration:none;color:#165dff}
        .graph-box{background:#f8fafc;border:1px solid #e2e8f0;border-radius:10px;padding:2rem;margin:1rem 0;}
        .graph-title{color:#165dff;font-weight:600;margin-bottom:1rem;}
        .icon-block i{font-size:3rem;color:#165dff;margin-bottom:1rem;}
        .cta-block a{color:#fff;text-decoration:underline;}
        .cta-block .btn{text-decoration:none;}