:root { --primary: #0052cc; --accent: #00d4ff; --dark: #1a1f36; --light: #f8f9fc; }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body { font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif; line-height: 1.6; color: #333; background: #fff; }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        header { background: #fff; padding: 15px 0; border-bottom: 1px solid #eee; position: sticky; top: 0; z-index: 1000; }
        nav { display: flex; align-items: center; justify-content: space-between; }
        .nav-links { display: flex; gap: 0; align-items: center; }
        .nav-links a { padding: 10px 15px; color: #333; text-decoration: none; font-weight: 500; }
        .hero { padding: 80px 0; text-align: center; background: linear-gradient(135deg, #f0f7ff 0%, #e6efff 100%); }
        .hero h1 { font-size: 3rem; margin-bottom: 20px; color: var(--dark); }
        .btn { display: inline-block; padding: 12px 30px; background: var(--primary); color: #fff; border-radius: 6px; text-decoration: none; font-weight: bold; transition: 0.3s; }
        section { padding: 60px 0; }
        .grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 30px; }
        .card { padding: 30px; border-radius: 12px; background: #fff; border: 1px solid #eee; transition: 0.3s; }
        .card:hover { box-shadow: 0 10px 20px rgba(0,0,0,0.1); }
        footer { background: var(--dark); color: #ccc; padding: 40px 0; text-align: center; }
        .faq-item { border-bottom: 1px solid #333; padding: 15px 0; cursor: pointer; }